/* BFD back-end for HP PA-RISC ELF files.
- Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1999, 2000, 2001
- Free Software Foundation, Inc.
+ Copyright (C) 1990-2017 Free Software Foundation, Inc.
Original code by
Center for Software Science
Department of Computer Science
University of Utah
Largely rewritten by Alan Modra <alan@linuxcare.com.au>
+ Naming cleanup by Carlos O'Donell <carlos@systemhalted.org>
+ TLS support written by Randolph Chung <tausq@debian.org>
-This file is part of BFD, the Binary File Descriptor library.
+ This file is part of BFD, the Binary File Descriptor library.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
#include "elf-bfd.h"
#include "elf/hppa.h"
#include "libhppa.h"
#include "elf32-hppa.h"
#define ARCH_SIZE 32
-#include "elf-hppa.h"
#include "elf32-hppa.h"
+#include "elf-hppa.h"
/* In order to gain some understanding of code in this file without
knowing all the intricate details of the linker, note the
(single sub-space version)
: addil LR'lt_ptr+ltoff,%dp ; get procedure entry point
: ldw RR'lt_ptr+ltoff(%r1),%r21
- : bv %r0(%r21)
+ : bv %r0(%r21)
: ldw RR'lt_ptr+ltoff+4(%r1),%r19 ; get new dlt value.
Import stub to call shared library routine from shared library
(single sub-space version)
: addil LR'ltoff,%r19 ; get procedure entry point
: ldw RR'ltoff(%r1),%r21
- : bv %r0(%r21)
+ : bv %r0(%r21)
: ldw RR'ltoff+4(%r1),%r19 ; get new dlt value.
Import stub to call shared library routine from normal object file
: ldw -24(%sp),%rp ; restore the original rp
: ldsid (%rp),%r1
: mtsp %r1,%sr0
- : be,n 0(%sr0,%rp) ; inter-space return */
+ : be,n 0(%sr0,%rp) ; inter-space return. */
+
+
+/* Variable names follow a coding style.
+ Please follow this (Apps Hungarian) style:
+
+ Structure/Variable Prefix
+ elf_link_hash_table "etab"
+ elf_link_hash_entry "eh"
+
+ elf32_hppa_link_hash_table "htab"
+ elf32_hppa_link_hash_entry "hh"
+
+ bfd_hash_table "btab"
+ bfd_hash_entry "bh"
+
+ bfd_hash_table containing stubs "bstab"
+ elf32_hppa_stub_hash_entry "hsh"
+
+ elf32_hppa_dyn_reloc_entry "hdh"
+
+ Always remember to use GNU Coding Style. */
#define PLT_ENTRY_SIZE 8
-#define PLABEL_PLT_ENTRY_SIZE PLT_ENTRY_SIZE
#define GOT_ENTRY_SIZE 4
#define ELF_DYNAMIC_INTERPRETER "/lib/ld.so.1"
string. */
#define STUB_SUFFIX ".stub"
-/* Setting the following non-zero makes all long branch stubs
- generated during a shared link of the PIC variety. This saves on
- relocs, but costs one extra instruction per stub. */
-#ifndef LONG_BRANCH_PIC_IN_SHLIB
-#define LONG_BRANCH_PIC_IN_SHLIB 1
+/* We don't need to copy certain PC- or GP-relative dynamic relocs
+ into a shared object's dynamic section. All the relocs of the
+ limited class we are interested in, are absolute. */
+#ifndef RELATIVE_DYNRELOCS
+#define RELATIVE_DYNRELOCS 0
+#define IS_ABSOLUTE_RELOC(r_type) 1
#endif
-/* Set this non-zero to use import stubs instead of long branch stubs
- where a .plt entry exists for the symbol. This is a fairly useless
- option as import stubs are bigger than PIC long branch stubs. */
-#ifndef LONG_BRANCH_VIA_PLT
-#define LONG_BRANCH_VIA_PLT 0
-#endif
-
-/* We don't need to copy any PC- or GP-relative dynamic relocs into a
- shared object's dynamic section. */
-#ifndef RELATIVE_DYNAMIC_RELOCS
-#define RELATIVE_DYNAMIC_RELOCS 0
-#endif
+/* If ELIMINATE_COPY_RELOCS is non-zero, the linker will try to avoid
+ copying dynamic variables from a shared lib into an app's dynbss
+ section, and instead use a dynamic relocation to point into the
+ shared lib. */
+#define ELIMINATE_COPY_RELOCS 1
-enum elf32_hppa_stub_type {
+enum elf32_hppa_stub_type
+{
hppa_stub_long_branch,
hppa_stub_long_branch_shared,
hppa_stub_import,
hppa_stub_none
};
-struct elf32_hppa_stub_hash_entry {
-
+struct elf32_hppa_stub_hash_entry
+{
/* Base hash table entry structure. */
- struct bfd_hash_entry root;
+ struct bfd_hash_entry bh_root;
/* The stub section. */
asection *stub_sec;
-#if ! LONG_BRANCH_PIC_IN_SHLIB
- /* It's associated reloc section. */
- asection *reloc_sec;
-#endif
-
/* Offset within stub_sec of the beginning of this stub. */
bfd_vma stub_offset;
enum elf32_hppa_stub_type stub_type;
/* The symbol table entry, if any, that this was derived from. */
- struct elf32_hppa_link_hash_entry *h;
+ struct elf32_hppa_link_hash_entry *hh;
/* Where this stub is being called from, or, in the case of combined
stub sections, the first input section in the group. */
asection *id_sec;
};
-struct elf32_hppa_link_hash_entry {
-
- struct elf_link_hash_entry elf;
+struct elf32_hppa_link_hash_entry
+{
+ struct elf_link_hash_entry eh;
/* A pointer to the most recently used stub hash entry against this
symbol. */
- struct elf32_hppa_stub_hash_entry *stub_cache;
-
-#if ! LONG_BRANCH_PIC_IN_SHLIB
- /* Used to track whether we have allocated space for a long branch
- stub relocation for this symbol in the given section. */
- asection *stub_reloc_sec;
-#endif
+ struct elf32_hppa_stub_hash_entry *hsh_cache;
-#if ! LONG_BRANCH_PIC_IN_SHLIB || RELATIVE_DYNAMIC_RELOCS
/* Used to count relocations for delayed sizing of relocation
sections. */
- struct elf32_hppa_dyn_reloc_entry {
-
+ struct elf32_hppa_dyn_reloc_entry
+ {
/* Next relocation in the chain. */
- struct elf32_hppa_dyn_reloc_entry *next;
+ struct elf32_hppa_dyn_reloc_entry *hdh_next;
- /* The section in dynobj. */
- asection *section;
+ /* The input section of the reloc. */
+ asection *sec;
/* Number of relocs copied in this section. */
bfd_size_type count;
- } *reloc_entries;
-#endif
- /* Set during a static link if we detect a function is PIC. */
- unsigned int maybe_pic_call:1;
+#if RELATIVE_DYNRELOCS
+ /* Number of relative relocs copied for the input section. */
+ bfd_size_type relative_count;
+#endif
+ } *dyn_relocs;
- /* Set if the only reason we need a .plt entry is for a non-PIC to
- PIC function call. */
- unsigned int pic_call:1;
+ enum
+ {
+ GOT_UNKNOWN = 0, GOT_NORMAL = 1, GOT_TLS_GD = 2, GOT_TLS_LDM = 4, GOT_TLS_IE = 8
+ } tls_type;
/* Set if this symbol is used by a plabel reloc. */
unsigned int plabel:1;
-
- /* Set if this symbol is an init or fini function and thus should
- use an absolute reloc. */
- unsigned int plt_abs:1;
};
-struct elf32_hppa_link_hash_table {
-
+struct elf32_hppa_link_hash_table
+{
/* The main hash table. */
- struct elf_link_hash_table root;
+ struct elf_link_hash_table etab;
/* The stub hash table. */
- struct bfd_hash_table stub_hash_table;
+ struct bfd_hash_table bstab;
/* Linker stub bfd. */
bfd *stub_bfd;
/* Linker call-backs. */
- asection * (*add_stub_section) PARAMS ((const char *, asection *));
- void (*layout_sections_again) PARAMS ((void));
+ asection * (*add_stub_section) (const char *, asection *);
+ void (*layout_sections_again) (void);
/* Array to keep track of which stub sections have been created, and
information on stub grouping. */
- struct map_stub {
+ struct map_stub
+ {
/* This is the section to which stubs in the group will be
attached. */
asection *link_sec;
/* The stub section. */
asection *stub_sec;
-#if ! LONG_BRANCH_PIC_IN_SHLIB
- /* The stub section's reloc section. */
- asection *reloc_sec;
-#endif
} *stub_group;
- /* Short-cuts to get to dynamic linker sections. */
- asection *sgot;
- asection *srelgot;
- asection *splt;
- asection *srelplt;
- asection *sdynbss;
- asection *srelbss;
+ /* Assorted information used by elf32_hppa_size_stubs. */
+ unsigned int bfd_count;
+ unsigned int top_index;
+ asection **input_list;
+ Elf_Internal_Sym **all_local_syms;
/* Used during a final link to store the base of the text and data
segments so that we can perform SEGREL relocations. */
/* Whether we support multiple sub-spaces for shared libs. */
unsigned int multi_subspace:1;
- /* Flags set when PCREL12F and PCREL17F branches detected. Used to
+ /* Flags set when various size branches are detected. Used to
select suitable defaults for the stub group size. */
unsigned int has_12bit_branch:1;
unsigned int has_17bit_branch:1;
+ unsigned int has_22bit_branch:1;
/* Set if we need a .plt stub to support lazy dynamic linking. */
unsigned int need_plt_stub:1;
+
+ /* Small local sym cache. */
+ struct sym_cache sym_cache;
+
+ /* Data for LDM relocations. */
+ union
+ {
+ bfd_signed_vma refcount;
+ bfd_vma offset;
+ } tls_ldm_got;
};
/* Various hash macros and functions. */
#define hppa_link_hash_table(p) \
- ((struct elf32_hppa_link_hash_table *) ((p)->hash))
+ (elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) \
+ == HPPA32_ELF_DATA ? ((struct elf32_hppa_link_hash_table *) ((p)->hash)) : NULL)
+
+#define hppa_elf_hash_entry(ent) \
+ ((struct elf32_hppa_link_hash_entry *)(ent))
+
+#define hppa_stub_hash_entry(ent) \
+ ((struct elf32_hppa_stub_hash_entry *)(ent))
#define hppa_stub_hash_lookup(table, string, create, copy) \
((struct elf32_hppa_stub_hash_entry *) \
bfd_hash_lookup ((table), (string), (create), (copy)))
-static struct bfd_hash_entry *stub_hash_newfunc
- PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
-
-static struct bfd_hash_entry *hppa_link_hash_newfunc
- PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
-
-static struct bfd_link_hash_table *elf32_hppa_link_hash_table_create
- PARAMS ((bfd *));
-
-/* Stub handling functions. */
-static char *hppa_stub_name
- PARAMS ((const asection *, const asection *,
- const struct elf32_hppa_link_hash_entry *,
- const Elf_Internal_Rela *));
-
-static struct elf32_hppa_stub_hash_entry *hppa_get_stub_entry
- PARAMS ((const asection *, const asection *,
- struct elf32_hppa_link_hash_entry *,
- const Elf_Internal_Rela *,
- struct elf32_hppa_link_hash_table *));
-
-static struct elf32_hppa_stub_hash_entry *hppa_add_stub
- PARAMS ((const char *, asection *, struct elf32_hppa_link_hash_table *));
-
-static enum elf32_hppa_stub_type hppa_type_of_stub
- PARAMS ((asection *, const Elf_Internal_Rela *,
- struct elf32_hppa_link_hash_entry *, bfd_vma));
-
-static boolean hppa_build_one_stub
- PARAMS ((struct bfd_hash_entry *, PTR));
-
-static boolean hppa_size_one_stub
- PARAMS ((struct bfd_hash_entry *, PTR));
-
-/* BFD and elf backend functions. */
-static boolean elf32_hppa_object_p PARAMS ((bfd *));
-
-static boolean elf32_hppa_add_symbol_hook
- PARAMS ((bfd *, struct bfd_link_info *, const Elf_Internal_Sym *,
- const char **, flagword *, asection **, bfd_vma *));
-
-static boolean elf32_hppa_create_dynamic_sections
- PARAMS ((bfd *, struct bfd_link_info *));
-
-static boolean elf32_hppa_check_relocs
- PARAMS ((bfd *, struct bfd_link_info *,
- asection *, const Elf_Internal_Rela *));
-
-static asection *elf32_hppa_gc_mark_hook
- PARAMS ((bfd *, struct bfd_link_info *, Elf_Internal_Rela *,
- struct elf_link_hash_entry *, Elf_Internal_Sym *));
-
-static boolean elf32_hppa_gc_sweep_hook
- PARAMS ((bfd *, struct bfd_link_info *,
- asection *, const Elf_Internal_Rela *));
-
-static void elf32_hppa_hide_symbol
- PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
-
-static boolean elf32_hppa_adjust_dynamic_symbol
- PARAMS ((struct bfd_link_info *, struct elf_link_hash_entry *));
-
-static boolean hppa_handle_PIC_calls
- PARAMS ((struct elf_link_hash_entry *, PTR));
-
-static boolean allocate_plt_and_got
- PARAMS ((struct elf_link_hash_entry *, PTR));
-
-#if ((! LONG_BRANCH_PIC_IN_SHLIB && LONG_BRANCH_VIA_PLT) \
- || RELATIVE_DYNAMIC_RELOCS)
-static boolean hppa_discard_copies
- PARAMS ((struct elf_link_hash_entry *, PTR));
-#endif
-
-static boolean clobber_millicode_symbols
- PARAMS ((struct elf_link_hash_entry *, struct bfd_link_info *));
-
-static boolean elf32_hppa_size_dynamic_sections
- PARAMS ((bfd *, struct bfd_link_info *));
-
-static boolean elf32_hppa_final_link
- PARAMS ((bfd *, struct bfd_link_info *));
-
-static void hppa_record_segment_addr
- PARAMS ((bfd *, asection *, PTR));
-
-static bfd_reloc_status_type final_link_relocate
- PARAMS ((asection *, bfd_byte *, const Elf_Internal_Rela *,
- bfd_vma, struct elf32_hppa_link_hash_table *, asection *,
- struct elf32_hppa_link_hash_entry *));
+#define hppa_elf_local_got_tls_type(abfd) \
+ ((char *)(elf_local_got_offsets (abfd) + (elf_tdata (abfd)->symtab_hdr.sh_info * 2)))
-static boolean elf32_hppa_relocate_section
- PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *,
- bfd_byte *, Elf_Internal_Rela *, Elf_Internal_Sym *, asection **));
+#define hh_name(hh) \
+ (hh ? hh->eh.root.root.string : "<undef>")
-static int hppa_unwind_entry_compare
- PARAMS ((const PTR, const PTR));
-
-static boolean elf32_hppa_finish_dynamic_symbol
- PARAMS ((bfd *, struct bfd_link_info *,
- struct elf_link_hash_entry *, Elf_Internal_Sym *));
-
-static boolean elf32_hppa_finish_dynamic_sections
- PARAMS ((bfd *, struct bfd_link_info *));
-
-static void elf32_hppa_post_process_headers
- PARAMS ((bfd *, struct bfd_link_info *));
-
-static int elf32_hppa_elf_get_symbol_type
- PARAMS ((Elf_Internal_Sym *, int));
+#define eh_name(eh) \
+ (eh ? eh->root.root.string : "<undef>")
/* Assorted hash table functions. */
/* Initialize an entry in the stub hash table. */
static struct bfd_hash_entry *
-stub_hash_newfunc (entry, table, string)
- struct bfd_hash_entry *entry;
- struct bfd_hash_table *table;
- const char *string;
+stub_hash_newfunc (struct bfd_hash_entry *entry,
+ struct bfd_hash_table *table,
+ const char *string)
{
- struct elf32_hppa_stub_hash_entry *ret;
-
- ret = (struct elf32_hppa_stub_hash_entry *) entry;
-
/* Allocate the structure if it has not already been allocated by a
subclass. */
- if (ret == NULL)
+ if (entry == NULL)
{
- ret = ((struct elf32_hppa_stub_hash_entry *)
- bfd_hash_allocate (table,
- sizeof (struct elf32_hppa_stub_hash_entry)));
- if (ret == NULL)
- return NULL;
+ entry = bfd_hash_allocate (table,
+ sizeof (struct elf32_hppa_stub_hash_entry));
+ if (entry == NULL)
+ return entry;
}
/* Call the allocation method of the superclass. */
- ret = ((struct elf32_hppa_stub_hash_entry *)
- bfd_hash_newfunc ((struct bfd_hash_entry *) ret, table, string));
-
- if (ret)
+ entry = bfd_hash_newfunc (entry, table, string);
+ if (entry != NULL)
{
+ struct elf32_hppa_stub_hash_entry *hsh;
+
/* Initialize the local fields. */
- ret->stub_sec = NULL;
-#if ! LONG_BRANCH_PIC_IN_SHLIB
- ret->reloc_sec = NULL;
-#endif
- ret->stub_offset = 0;
- ret->target_value = 0;
- ret->target_section = NULL;
- ret->stub_type = hppa_stub_long_branch;
- ret->h = NULL;
- ret->id_sec = NULL;
+ hsh = hppa_stub_hash_entry (entry);
+ hsh->stub_sec = NULL;
+ hsh->stub_offset = 0;
+ hsh->target_value = 0;
+ hsh->target_section = NULL;
+ hsh->stub_type = hppa_stub_long_branch;
+ hsh->hh = NULL;
+ hsh->id_sec = NULL;
}
- return (struct bfd_hash_entry *) ret;
+ return entry;
}
/* Initialize an entry in the link hash table. */
static struct bfd_hash_entry *
-hppa_link_hash_newfunc (entry, table, string)
- struct bfd_hash_entry *entry;
- struct bfd_hash_table *table;
- const char *string;
+hppa_link_hash_newfunc (struct bfd_hash_entry *entry,
+ struct bfd_hash_table *table,
+ const char *string)
{
- struct elf32_hppa_link_hash_entry *ret;
-
- ret = (struct elf32_hppa_link_hash_entry *) entry;
-
/* Allocate the structure if it has not already been allocated by a
subclass. */
- if (ret == NULL)
+ if (entry == NULL)
{
- ret = ((struct elf32_hppa_link_hash_entry *)
- bfd_hash_allocate (table,
- sizeof (struct elf32_hppa_link_hash_entry)));
- if (ret == NULL)
- return NULL;
+ entry = bfd_hash_allocate (table,
+ sizeof (struct elf32_hppa_link_hash_entry));
+ if (entry == NULL)
+ return entry;
}
/* Call the allocation method of the superclass. */
- ret = ((struct elf32_hppa_link_hash_entry *)
- _bfd_elf_link_hash_newfunc ((struct bfd_hash_entry *) ret,
- table, string));
-
- if (ret)
+ entry = _bfd_elf_link_hash_newfunc (entry, table, string);
+ if (entry != NULL)
{
+ struct elf32_hppa_link_hash_entry *hh;
+
/* Initialize the local fields. */
-#if ! LONG_BRANCH_PIC_IN_SHLIB
- ret->stub_reloc_sec = NULL;
-#endif
- ret->stub_cache = NULL;
-#if ! LONG_BRANCH_PIC_IN_SHLIB || RELATIVE_DYNAMIC_RELOCS
- ret->reloc_entries = NULL;
-#endif
- ret->maybe_pic_call = 0;
- ret->pic_call = 0;
- ret->plabel = 0;
- ret->plt_abs = 0;
+ hh = hppa_elf_hash_entry (entry);
+ hh->hsh_cache = NULL;
+ hh->dyn_relocs = NULL;
+ hh->plabel = 0;
+ hh->tls_type = GOT_UNKNOWN;
}
- return (struct bfd_hash_entry *) ret;
+ return entry;
+}
+
+/* Free the derived linker hash table. */
+
+static void
+elf32_hppa_link_hash_table_free (bfd *obfd)
+{
+ struct elf32_hppa_link_hash_table *htab
+ = (struct elf32_hppa_link_hash_table *) obfd->link.hash;
+
+ bfd_hash_table_free (&htab->bstab);
+ _bfd_elf_link_hash_table_free (obfd);
}
/* Create the derived linker hash table. The PA ELF port uses the derived
using static variables). */
static struct bfd_link_hash_table *
-elf32_hppa_link_hash_table_create (abfd)
- bfd *abfd;
+elf32_hppa_link_hash_table_create (bfd *abfd)
{
- struct elf32_hppa_link_hash_table *ret;
+ struct elf32_hppa_link_hash_table *htab;
+ bfd_size_type amt = sizeof (*htab);
- ret = ((struct elf32_hppa_link_hash_table *) bfd_alloc (abfd, sizeof (*ret)));
- if (ret == NULL)
+ htab = bfd_zmalloc (amt);
+ if (htab == NULL)
return NULL;
- if (!_bfd_elf_link_hash_table_init (&ret->root, abfd, hppa_link_hash_newfunc))
+ if (!_bfd_elf_link_hash_table_init (&htab->etab, abfd, hppa_link_hash_newfunc,
+ sizeof (struct elf32_hppa_link_hash_entry),
+ HPPA32_ELF_DATA))
{
- bfd_release (abfd, ret);
+ free (htab);
return NULL;
}
/* Init the stub hash table too. */
- if (!bfd_hash_table_init (&ret->stub_hash_table, stub_hash_newfunc))
- return NULL;
+ if (!bfd_hash_table_init (&htab->bstab, stub_hash_newfunc,
+ sizeof (struct elf32_hppa_stub_hash_entry)))
+ {
+ _bfd_elf_link_hash_table_free (abfd);
+ return NULL;
+ }
+ htab->etab.root.hash_table_free = elf32_hppa_link_hash_table_free;
+
+ htab->text_segment_base = (bfd_vma) -1;
+ htab->data_segment_base = (bfd_vma) -1;
+ return &htab->etab.root;
+}
+
+/* Initialize the linker stubs BFD so that we can use it for linker
+ created dynamic sections. */
+
+void
+elf32_hppa_init_stub_bfd (bfd *abfd, struct bfd_link_info *info)
+{
+ struct elf32_hppa_link_hash_table *htab = hppa_link_hash_table (info);
- ret->stub_bfd = NULL;
- ret->add_stub_section = NULL;
- ret->layout_sections_again = NULL;
- ret->stub_group = NULL;
- ret->sgot = NULL;
- ret->srelgot = NULL;
- ret->splt = NULL;
- ret->srelplt = NULL;
- ret->sdynbss = NULL;
- ret->srelbss = NULL;
- ret->text_segment_base = (bfd_vma) -1;
- ret->data_segment_base = (bfd_vma) -1;
- ret->multi_subspace = 0;
- ret->has_12bit_branch = 0;
- ret->has_17bit_branch = 0;
- ret->need_plt_stub = 0;
-
- return &ret->root.root;
+ elf_elfheader (abfd)->e_ident[EI_CLASS] = ELFCLASS32;
+ htab->etab.dynobj = abfd;
}
/* Build a name for an entry in the stub hash table. */
static char *
-hppa_stub_name (input_section, sym_sec, hash, rel)
- const asection *input_section;
- const asection *sym_sec;
- const struct elf32_hppa_link_hash_entry *hash;
- const Elf_Internal_Rela *rel;
+hppa_stub_name (const asection *input_section,
+ const asection *sym_sec,
+ const struct elf32_hppa_link_hash_entry *hh,
+ const Elf_Internal_Rela *rela)
{
char *stub_name;
- size_t len;
+ bfd_size_type len;
- if (hash)
+ if (hh)
{
- len = 8 + 1 + strlen (hash->elf.root.root.string) + 1 + 8 + 1;
+ len = 8 + 1 + strlen (hh_name (hh)) + 1 + 8 + 1;
stub_name = bfd_malloc (len);
if (stub_name != NULL)
- {
- sprintf (stub_name, "%08x_%s+%x",
- input_section->id & 0xffffffff,
- hash->elf.root.root.string,
- (int) rel->r_addend & 0xffffffff);
- }
+ sprintf (stub_name, "%08x_%s+%x",
+ input_section->id & 0xffffffff,
+ hh_name (hh),
+ (int) rela->r_addend & 0xffffffff);
}
else
{
len = 8 + 1 + 8 + 1 + 8 + 1 + 8 + 1;
stub_name = bfd_malloc (len);
if (stub_name != NULL)
- {
- sprintf (stub_name, "%08x_%x:%x+%x",
- input_section->id & 0xffffffff,
- sym_sec->id & 0xffffffff,
- (int) ELF32_R_SYM (rel->r_info) & 0xffffffff,
- (int) rel->r_addend & 0xffffffff);
- }
+ sprintf (stub_name, "%08x_%x:%x+%x",
+ input_section->id & 0xffffffff,
+ sym_sec->id & 0xffffffff,
+ (int) ELF32_R_SYM (rela->r_info) & 0xffffffff,
+ (int) rela->r_addend & 0xffffffff);
}
return stub_name;
}
creating the stub name takes a bit of time. */
static struct elf32_hppa_stub_hash_entry *
-hppa_get_stub_entry (input_section, sym_sec, hash, rel, hplink)
- const asection *input_section;
- const asection *sym_sec;
- struct elf32_hppa_link_hash_entry *hash;
- const Elf_Internal_Rela *rel;
- struct elf32_hppa_link_hash_table *hplink;
+hppa_get_stub_entry (const asection *input_section,
+ const asection *sym_sec,
+ struct elf32_hppa_link_hash_entry *hh,
+ const Elf_Internal_Rela *rela,
+ struct elf32_hppa_link_hash_table *htab)
{
- struct elf32_hppa_stub_hash_entry *stub_entry;
+ struct elf32_hppa_stub_hash_entry *hsh_entry;
const asection *id_sec;
/* If this input section is part of a group of sections sharing one
Stub names need to include a section id, as there may well be
more than one stub used to reach say, printf, and we need to
distinguish between them. */
- id_sec = hplink->stub_group[input_section->id].link_sec;
+ id_sec = htab->stub_group[input_section->id].link_sec;
- if (hash != NULL && hash->stub_cache != NULL
- && hash->stub_cache->h == hash
- && hash->stub_cache->id_sec == id_sec)
+ if (hh != NULL && hh->hsh_cache != NULL
+ && hh->hsh_cache->hh == hh
+ && hh->hsh_cache->id_sec == id_sec)
{
- stub_entry = hash->stub_cache;
+ hsh_entry = hh->hsh_cache;
}
else
{
char *stub_name;
- stub_name = hppa_stub_name (id_sec, sym_sec, hash, rel);
+ stub_name = hppa_stub_name (id_sec, sym_sec, hh, rela);
if (stub_name == NULL)
return NULL;
- stub_entry = hppa_stub_hash_lookup (&hplink->stub_hash_table,
- stub_name, false, false);
- if (stub_entry == NULL)
- {
- if (hash == NULL || hash->elf.root.type != bfd_link_hash_undefweak)
- (*_bfd_error_handler) (_("%s(%s+0x%lx): cannot find stub entry %s"),
- bfd_get_filename (input_section->owner),
- input_section->name,
- (long) rel->r_offset,
- stub_name);
- }
- else
- {
- if (hash != NULL)
- hash->stub_cache = stub_entry;
- }
+ hsh_entry = hppa_stub_hash_lookup (&htab->bstab,
+ stub_name, FALSE, FALSE);
+ if (hh != NULL)
+ hh->hsh_cache = hsh_entry;
free (stub_name);
}
- return stub_entry;
+ return hsh_entry;
}
/* Add a new stub entry to the stub hash. Not all fields of the new
stub entry are initialised. */
static struct elf32_hppa_stub_hash_entry *
-hppa_add_stub (stub_name, section, hplink)
- const char *stub_name;
- asection *section;
- struct elf32_hppa_link_hash_table *hplink;
+hppa_add_stub (const char *stub_name,
+ asection *section,
+ struct elf32_hppa_link_hash_table *htab)
{
asection *link_sec;
asection *stub_sec;
- struct elf32_hppa_stub_hash_entry *stub_entry;
+ struct elf32_hppa_stub_hash_entry *hsh;
- link_sec = hplink->stub_group[section->id].link_sec;
- stub_sec = hplink->stub_group[section->id].stub_sec;
+ link_sec = htab->stub_group[section->id].link_sec;
+ stub_sec = htab->stub_group[section->id].stub_sec;
if (stub_sec == NULL)
{
- stub_sec = hplink->stub_group[link_sec->id].stub_sec;
+ stub_sec = htab->stub_group[link_sec->id].stub_sec;
if (stub_sec == NULL)
{
- size_t len;
+ size_t namelen;
+ bfd_size_type len;
char *s_name;
- len = strlen (link_sec->name) + sizeof (STUB_SUFFIX);
- s_name = bfd_alloc (hplink->stub_bfd, len);
+ namelen = strlen (link_sec->name);
+ len = namelen + sizeof (STUB_SUFFIX);
+ s_name = bfd_alloc (htab->stub_bfd, len);
if (s_name == NULL)
return NULL;
- strcpy (s_name, link_sec->name);
- strcpy (s_name + len - sizeof (STUB_SUFFIX), STUB_SUFFIX);
- stub_sec = (*hplink->add_stub_section) (s_name, link_sec);
+ memcpy (s_name, link_sec->name, namelen);
+ memcpy (s_name + namelen, STUB_SUFFIX, sizeof (STUB_SUFFIX));
+ stub_sec = (*htab->add_stub_section) (s_name, link_sec);
if (stub_sec == NULL)
return NULL;
- hplink->stub_group[link_sec->id].stub_sec = stub_sec;
+ htab->stub_group[link_sec->id].stub_sec = stub_sec;
}
- hplink->stub_group[section->id].stub_sec = stub_sec;
+ htab->stub_group[section->id].stub_sec = stub_sec;
}
/* Enter this entry into the linker stub hash table. */
- stub_entry = hppa_stub_hash_lookup (&hplink->stub_hash_table, stub_name,
- true, false);
- if (stub_entry == NULL)
+ hsh = hppa_stub_hash_lookup (&htab->bstab, stub_name,
+ TRUE, FALSE);
+ if (hsh == NULL)
{
- (*_bfd_error_handler) (_("%s: cannot create stub entry %s"),
- bfd_get_filename (section->owner),
- stub_name);
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%B: cannot create stub entry %s"),
+ section->owner, stub_name);
return NULL;
}
- stub_entry->stub_sec = stub_sec;
-#if ! LONG_BRANCH_PIC_IN_SHLIB
- stub_entry->reloc_sec = hplink->stub_group[section->id].reloc_sec;
-#endif
- stub_entry->stub_offset = 0;
- stub_entry->id_sec = link_sec;
- return stub_entry;
+ hsh->stub_sec = stub_sec;
+ hsh->stub_offset = 0;
+ hsh->id_sec = link_sec;
+ return hsh;
}
/* Determine the type of stub needed, if any, for a call. */
static enum elf32_hppa_stub_type
-hppa_type_of_stub (input_sec, rel, hash, destination)
- asection *input_sec;
- const Elf_Internal_Rela *rel;
- struct elf32_hppa_link_hash_entry *hash;
- bfd_vma destination;
+hppa_type_of_stub (asection *input_sec,
+ const Elf_Internal_Rela *rela,
+ struct elf32_hppa_link_hash_entry *hh,
+ bfd_vma destination,
+ struct bfd_link_info *info)
{
bfd_vma location;
bfd_vma branch_offset;
bfd_vma max_branch_offset;
unsigned int r_type;
- if (hash != NULL
- && (((hash->elf.root.type == bfd_link_hash_defined
- || hash->elf.root.type == bfd_link_hash_defweak)
- && hash->elf.root.u.def.section->output_section == NULL)
- || (hash->elf.root.type == bfd_link_hash_defweak
- && hash->elf.dynindx != -1
- && hash->elf.plt.offset != (bfd_vma) -1)
- || hash->elf.root.type == bfd_link_hash_undefweak
- || hash->elf.root.type == bfd_link_hash_undefined
- || (hash->maybe_pic_call && !(input_sec->flags & SEC_HAS_GOT_REF))))
+ if (hh != NULL
+ && hh->eh.plt.offset != (bfd_vma) -1
+ && hh->eh.dynindx != -1
+ && !hh->plabel
+ && (bfd_link_pic (info)
+ || !hh->eh.def_regular
+ || hh->eh.root.type == bfd_link_hash_defweak))
{
- /* If output_section is NULL, then it's a symbol defined in a
- shared library. We will need an import stub. Decide between
- hppa_stub_import and hppa_stub_import_shared later. For
- shared links we need stubs for undefined or weak syms too;
- They will presumably be resolved by the dynamic linker. */
+ /* We need an import stub. Decide between hppa_stub_import
+ and hppa_stub_import_shared later. */
return hppa_stub_import;
}
/* Determine where the call point is. */
location = (input_sec->output_offset
+ input_sec->output_section->vma
- + rel->r_offset);
+ + rela->r_offset);
branch_offset = destination - location - 8;
- r_type = ELF32_R_TYPE (rel->r_info);
+ r_type = ELF32_R_TYPE (rela->r_info);
/* Determine if a long branch stub is needed. parisc branch offsets
are relative to the second instruction past the branch, ie. +8
bytes on from the branch instruction location. The offset is
signed and counts in units of 4 bytes. */
if (r_type == (unsigned int) R_PARISC_PCREL17F)
- {
- max_branch_offset = (1 << (17-1)) << 2;
- }
+ max_branch_offset = (1 << (17 - 1)) << 2;
+
else if (r_type == (unsigned int) R_PARISC_PCREL12F)
- {
- max_branch_offset = (1 << (12-1)) << 2;
- }
+ max_branch_offset = (1 << (12 - 1)) << 2;
+
else /* R_PARISC_PCREL22F. */
- {
- max_branch_offset = (1 << (22-1)) << 2;
- }
+ max_branch_offset = (1 << (22 - 1)) << 2;
if (branch_offset + max_branch_offset >= 2*max_branch_offset)
- {
-#if LONG_BRANCH_VIA_PLT
- if (hash != NULL
- && hash->elf.dynindx != -1
- && hash->elf.plt.offset != (bfd_vma) -1
- && hash->elf.type != STT_PARISC_MILLI)
- {
- /* If we are doing a shared link and find we need a long
- branch stub, then go via the .plt if possible. */
- return hppa_stub_import;
- }
- else
-#endif
- return hppa_stub_long_branch;
- }
+ return hppa_stub_long_branch;
+
return hppa_stub_none;
}
#define BE_SR0_R21 0xe2a00000 /* be 0(%sr0,%r21) */
#define STW_RP 0x6bc23fd1 /* stw %rp,-24(%sr0,%sp) */
+#define BL22_RP 0xe800a002 /* b,l,n XXX,%rp */
#define BL_RP 0xe8400002 /* b,l,n XXX,%rp */
#define NOP 0x08000240 /* nop */
#define LDW_RP 0x4bc23fd1 /* ldw -24(%sr0,%sp),%rp */
#define LDW_R1_DLT LDW_R1_DP
#endif
-static boolean
-hppa_build_one_stub (gen_entry, in_arg)
- struct bfd_hash_entry *gen_entry;
- PTR in_arg;
+static bfd_boolean
+hppa_build_one_stub (struct bfd_hash_entry *bh, void *in_arg)
{
- struct elf32_hppa_stub_hash_entry *stub_entry;
+ struct elf32_hppa_stub_hash_entry *hsh;
struct bfd_link_info *info;
- struct elf32_hppa_link_hash_table *hplink;
+ struct elf32_hppa_link_hash_table *htab;
asection *stub_sec;
bfd *stub_bfd;
bfd_byte *loc;
int size;
/* Massage our args to the form they really have. */
- stub_entry = (struct elf32_hppa_stub_hash_entry *) gen_entry;
- info = (struct bfd_link_info *) in_arg;
+ hsh = hppa_stub_hash_entry (bh);
+ info = (struct bfd_link_info *)in_arg;
+
+ htab = hppa_link_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
- hplink = hppa_link_hash_table (info);
- stub_sec = stub_entry->stub_sec;
+ stub_sec = hsh->stub_sec;
/* Make a note of the offset within the stubs for this entry. */
- stub_entry->stub_offset = stub_sec->_raw_size;
- loc = stub_sec->contents + stub_entry->stub_offset;
+ hsh->stub_offset = stub_sec->size;
+ loc = stub_sec->contents + hsh->stub_offset;
stub_bfd = stub_sec->owner;
- switch (stub_entry->stub_type)
+ switch (hsh->stub_type)
{
case hppa_stub_long_branch:
/* Create the long branch. A long branch is formed with "ldil"
loading the upper bits of the target address into a register,
then branching with "be" which adds in the lower bits.
The "be" has its delay slot nullified. */
- sym_value = (stub_entry->target_value
- + stub_entry->target_section->output_offset
- + stub_entry->target_section->output_section->vma);
+ sym_value = (hsh->target_value
+ + hsh->target_section->output_offset
+ + hsh->target_section->output_section->vma);
- val = hppa_field_adjust (sym_value, (bfd_signed_vma) 0, e_lrsel);
+ val = hppa_field_adjust (sym_value, 0, e_lrsel);
insn = hppa_rebuild_insn ((int) LDIL_R1, val, 21);
bfd_put_32 (stub_bfd, insn, loc);
- val = hppa_field_adjust (sym_value, (bfd_signed_vma) 0, e_rrsel) >> 2;
+ val = hppa_field_adjust (sym_value, 0, e_rrsel) >> 2;
insn = hppa_rebuild_insn ((int) BE_SR4_R1, val, 17);
bfd_put_32 (stub_bfd, insn, loc + 4);
-#if ! LONG_BRANCH_PIC_IN_SHLIB
- if (info->shared)
- {
- /* Output a dynamic relocation for this stub. We only
- output one PCREL21L reloc per stub, trusting that the
- dynamic linker will also fix the implied PCREL17R for the
- second instruction. PCREL21L dynamic relocs had better
- never be emitted for some other purpose... */
- asection *srel;
- Elf_Internal_Rela outrel;
-
- if (stub_entry->h == NULL)
- {
- (*_bfd_error_handler)
- (_("%s(%s+0x%lx): cannot relocate %s, recompile with -ffunction-sections"),
- bfd_get_filename (stub_entry->target_section->owner),
- stub_sec->name,
- (long) stub_entry->stub_offset,
- stub_entry->root.string);
- bfd_set_error (bfd_error_bad_value);
- return false;
- }
-
- srel = stub_entry->reloc_sec;
- if (srel == NULL)
- {
- (*_bfd_error_handler)
- (_("Could not find relocation section for %s"),
- stub_sec->name);
- bfd_set_error (bfd_error_bad_value);
- return false;
- }
-
- outrel.r_offset = (stub_entry->stub_offset
- + stub_sec->output_offset
- + stub_sec->output_section->vma);
- outrel.r_info = ELF32_R_INFO (0, R_PARISC_PCREL21L);
- outrel.r_addend = sym_value;
- bfd_elf32_swap_reloca_out (stub_sec->output_section->owner,
- &outrel,
- ((Elf32_External_Rela *)
- srel->contents + srel->reloc_count));
- ++srel->reloc_count;
- }
-#endif
size = 8;
break;
case hppa_stub_long_branch_shared:
/* Branches are relative. This is where we are going to. */
- sym_value = (stub_entry->target_value
- + stub_entry->target_section->output_offset
- + stub_entry->target_section->output_section->vma);
+ sym_value = (hsh->target_value
+ + hsh->target_section->output_offset
+ + hsh->target_section->output_section->vma);
/* And this is where we are coming from, more or less. */
- sym_value -= (stub_entry->stub_offset
+ sym_value -= (hsh->stub_offset
+ stub_sec->output_offset
+ stub_sec->output_section->vma);
case hppa_stub_import:
case hppa_stub_import_shared:
- off = stub_entry->h->elf.plt.offset;
+ off = hsh->hh->eh.plt.offset;
if (off >= (bfd_vma) -2)
abort ();
off &= ~ (bfd_vma) 1;
sym_value = (off
- + hplink->splt->output_offset
- + hplink->splt->output_section->vma
- - elf_gp (hplink->splt->output_section->owner));
+ + htab->etab.splt->output_offset
+ + htab->etab.splt->output_section->vma
+ - elf_gp (htab->etab.splt->output_section->owner));
insn = ADDIL_DP;
#if R19_STUBS
- if (stub_entry->stub_type == hppa_stub_import_shared)
+ if (hsh->stub_type == hppa_stub_import_shared)
insn = ADDIL_R19;
#endif
- val = hppa_field_adjust (sym_value, (bfd_signed_vma) 0, e_lrsel),
+ val = hppa_field_adjust (sym_value, 0, e_lrsel),
insn = hppa_rebuild_insn ((int) insn, val, 21);
bfd_put_32 (stub_bfd, insn, loc);
lsel/rsel then with unfortunate sym_values we will round
sym_value+4 up to the next 2k block leading to a mis-match
between the lsel and rsel value. */
- val = hppa_field_adjust (sym_value, (bfd_signed_vma) 0, e_rrsel);
+ val = hppa_field_adjust (sym_value, 0, e_rrsel);
insn = hppa_rebuild_insn ((int) LDW_R1_R21, val, 14);
bfd_put_32 (stub_bfd, insn, loc + 4);
- if (hplink->multi_subspace)
+ if (htab->multi_subspace)
{
val = hppa_field_adjust (sym_value, (bfd_signed_vma) 4, e_rrsel);
insn = hppa_rebuild_insn ((int) LDW_R1_DLT, val, 14);
size = 16;
}
- if (!info->shared
- && stub_entry->h != NULL
- && stub_entry->h->pic_call)
- {
- /* Build the .plt entry needed to call a PIC function from
- statically linked code. We don't need any relocs. */
- bfd *dynobj;
- struct elf32_hppa_link_hash_entry *eh;
- bfd_vma value;
-
- dynobj = hplink->root.dynobj;
- eh = (struct elf32_hppa_link_hash_entry *) stub_entry->h;
-
- if (eh->elf.root.type != bfd_link_hash_defined
- && eh->elf.root.type != bfd_link_hash_defweak)
- abort ();
-
- value = (eh->elf.root.u.def.value
- + eh->elf.root.u.def.section->output_offset
- + eh->elf.root.u.def.section->output_section->vma);
-
- /* Fill in the entry in the procedure linkage table.
-
- The format of a plt entry is
- <funcaddr>
- <__gp>. */
-
- bfd_put_32 (hplink->splt->owner, value,
- hplink->splt->contents + off);
- value = elf_gp (hplink->splt->output_section->owner);
- bfd_put_32 (hplink->splt->owner, value,
- hplink->splt->contents + off + 4);
- }
break;
case hppa_stub_export:
/* Branches are relative. This is where we are going to. */
- sym_value = (stub_entry->target_value
- + stub_entry->target_section->output_offset
- + stub_entry->target_section->output_section->vma);
+ sym_value = (hsh->target_value
+ + hsh->target_section->output_offset
+ + hsh->target_section->output_section->vma);
/* And this is where we are coming from. */
- sym_value -= (stub_entry->stub_offset
+ sym_value -= (hsh->stub_offset
+ stub_sec->output_offset
+ stub_sec->output_section->vma);
- if (sym_value - 8 + 0x40000 >= 0x80000)
+ if (sym_value - 8 + (1 << (17 + 1)) >= (1 << (17 + 2))
+ && (!htab->has_22bit_branch
+ || sym_value - 8 + (1 << (22 + 1)) >= (1 << (22 + 2))))
{
- (*_bfd_error_handler)
- (_("%s(%s+0x%lx): cannot reach %s, recompile with -ffunction-sections"),
- bfd_get_filename (stub_entry->target_section->owner),
- stub_sec->name,
- (long) stub_entry->stub_offset,
- stub_entry->root.string);
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("%B(%A+0x%lx): cannot reach %s, recompile with -ffunction-sections"),
+ hsh->target_section->owner,
+ stub_sec,
+ (long) hsh->stub_offset,
+ hsh->bh_root.string);
bfd_set_error (bfd_error_bad_value);
- return false;
+ return FALSE;
}
val = hppa_field_adjust (sym_value, (bfd_signed_vma) -8, e_fsel) >> 2;
- insn = hppa_rebuild_insn ((int) BL_RP, val, 17);
+ if (!htab->has_22bit_branch)
+ insn = hppa_rebuild_insn ((int) BL_RP, val, 17);
+ else
+ insn = hppa_rebuild_insn ((int) BL22_RP, val, 22);
bfd_put_32 (stub_bfd, insn, loc);
bfd_put_32 (stub_bfd, (bfd_vma) NOP, loc + 4);
bfd_put_32 (stub_bfd, (bfd_vma) BE_SR0_RP, loc + 20);
/* Point the function symbol at the stub. */
- stub_entry->h->elf.root.u.def.section = stub_sec;
- stub_entry->h->elf.root.u.def.value = stub_sec->_raw_size;
+ hsh->hh->eh.root.u.def.section = stub_sec;
+ hsh->hh->eh.root.u.def.value = stub_sec->size;
size = 24;
break;
default:
BFD_FAIL ();
- return false;
+ return FALSE;
}
- stub_sec->_raw_size += size;
- return true;
+ stub_sec->size += size;
+ return TRUE;
}
#undef LDIL_R1
#undef BL_R1
#undef ADDIL_R1
#undef DEPI_R1
-#undef ADDIL_DP
#undef LDW_R1_R21
#undef LDW_R1_DLT
#undef LDW_R1_R19
/* As above, but don't actually build the stub. Just bump offset so
we know stub section sizes. */
-static boolean
-hppa_size_one_stub (gen_entry, in_arg)
- struct bfd_hash_entry *gen_entry;
- PTR in_arg;
+static bfd_boolean
+hppa_size_one_stub (struct bfd_hash_entry *bh, void *in_arg)
{
- struct elf32_hppa_stub_hash_entry *stub_entry;
- struct elf32_hppa_link_hash_table *hplink;
+ struct elf32_hppa_stub_hash_entry *hsh;
+ struct elf32_hppa_link_hash_table *htab;
int size;
/* Massage our args to the form they really have. */
- stub_entry = (struct elf32_hppa_stub_hash_entry *) gen_entry;
- hplink = (struct elf32_hppa_link_hash_table *) in_arg;
+ hsh = hppa_stub_hash_entry (bh);
+ htab = in_arg;
- if (stub_entry->stub_type == hppa_stub_long_branch)
- {
-#if ! LONG_BRANCH_PIC_IN_SHLIB
- if (stub_entry->reloc_sec != NULL)
- stub_entry->reloc_sec->_raw_size += sizeof (Elf32_External_Rela);
-#endif
- size = 8;
- }
- else if (stub_entry->stub_type == hppa_stub_long_branch_shared)
+ if (hsh->stub_type == hppa_stub_long_branch)
+ size = 8;
+ else if (hsh->stub_type == hppa_stub_long_branch_shared)
size = 12;
- else if (stub_entry->stub_type == hppa_stub_export)
+ else if (hsh->stub_type == hppa_stub_export)
size = 24;
else /* hppa_stub_import or hppa_stub_import_shared. */
{
- if (hplink->multi_subspace)
+ if (htab->multi_subspace)
size = 28;
else
size = 16;
}
- stub_entry->stub_sec->_raw_size += size;
- return true;
+ hsh->stub_sec->size += size;
+ return TRUE;
}
/* Return nonzero if ABFD represents an HPPA ELF32 file.
Additionally we set the default architecture and machine. */
-static boolean
-elf32_hppa_object_p (abfd)
- bfd *abfd;
+static bfd_boolean
+elf32_hppa_object_p (bfd *abfd)
{
- unsigned int flags = elf_elfheader (abfd)->e_flags;
+ Elf_Internal_Ehdr * i_ehdrp;
+ unsigned int flags;
+
+ i_ehdrp = elf_elfheader (abfd);
+ if (strcmp (bfd_get_target (abfd), "elf32-hppa-linux") == 0)
+ {
+ /* GCC on hppa-linux produces binaries with OSABI=GNU,
+ but the kernel produces corefiles with OSABI=SysV. */
+ if (i_ehdrp->e_ident[EI_OSABI] != ELFOSABI_GNU &&
+ i_ehdrp->e_ident[EI_OSABI] != ELFOSABI_NONE) /* aka SYSV */
+ return FALSE;
+ }
+ else if (strcmp (bfd_get_target (abfd), "elf32-hppa-netbsd") == 0)
+ {
+ /* GCC on hppa-netbsd produces binaries with OSABI=NetBSD,
+ but the kernel produces corefiles with OSABI=SysV. */
+ if (i_ehdrp->e_ident[EI_OSABI] != ELFOSABI_NETBSD &&
+ i_ehdrp->e_ident[EI_OSABI] != ELFOSABI_NONE) /* aka SYSV */
+ return FALSE;
+ }
+ else
+ {
+ if (i_ehdrp->e_ident[EI_OSABI] != ELFOSABI_HPUX)
+ return FALSE;
+ }
+ flags = i_ehdrp->e_flags;
switch (flags & (EF_PARISC_ARCH | EF_PARISC_WIDE))
{
case EFA_PARISC_1_0:
case EFA_PARISC_2_0 | EF_PARISC_WIDE:
return bfd_default_set_arch_mach (abfd, bfd_arch_hppa, 25);
}
- return true;
-}
-
-/* Undo the generic ELF code's subtraction of section->vma from the
- value of each external symbol. */
-
-static boolean
-elf32_hppa_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp)
- bfd *abfd ATTRIBUTE_UNUSED;
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- const Elf_Internal_Sym *sym ATTRIBUTE_UNUSED;
- const char **namep ATTRIBUTE_UNUSED;
- flagword *flagsp ATTRIBUTE_UNUSED;
- asection **secp;
- bfd_vma *valp;
-{
- *valp += (*secp)->vma;
- return true;
+ return TRUE;
}
/* Create the .plt and .got sections, and set up our hash table
short-cuts to various dynamic sections. */
-static boolean
-elf32_hppa_create_dynamic_sections (abfd, info)
- bfd *abfd;
- struct bfd_link_info *info;
+static bfd_boolean
+elf32_hppa_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
{
- struct elf32_hppa_link_hash_table *hplink;
+ struct elf32_hppa_link_hash_table *htab;
+ struct elf_link_hash_entry *eh;
/* Don't try to create the .plt and .got twice. */
- hplink = hppa_link_hash_table (info);
- if (hplink->splt != NULL)
- return true;
+ htab = hppa_link_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+ if (htab->etab.splt != NULL)
+ return TRUE;
/* Call the generic code to do most of the work. */
if (! _bfd_elf_create_dynamic_sections (abfd, info))
- return false;
-
- hplink->splt = bfd_get_section_by_name (abfd, ".plt");
- hplink->srelplt = bfd_get_section_by_name (abfd, ".rela.plt");
-
- hplink->sgot = bfd_get_section_by_name (abfd, ".got");
- hplink->srelgot = bfd_make_section (abfd, ".rela.got");
- if (hplink->srelgot == NULL
- || ! bfd_set_section_flags (abfd, hplink->srelgot,
- (SEC_ALLOC
- | SEC_LOAD
- | SEC_HAS_CONTENTS
- | SEC_IN_MEMORY
- | SEC_LINKER_CREATED
- | SEC_READONLY))
- || ! bfd_set_section_alignment (abfd, hplink->srelgot, 2))
- return false;
-
- hplink->sdynbss = bfd_get_section_by_name (abfd, ".dynbss");
- hplink->srelbss = bfd_get_section_by_name (abfd, ".rela.bss");
-
- return true;
+ return FALSE;
+
+ /* hppa-linux needs _GLOBAL_OFFSET_TABLE_ to be visible from the main
+ application, because __canonicalize_funcptr_for_compare needs it. */
+ eh = elf_hash_table (info)->hgot;
+ eh->forced_local = 0;
+ eh->other = STV_DEFAULT;
+ return bfd_elf_link_record_dynamic_symbol (info, eh);
+}
+
+/* Copy the extra info we tack onto an elf_link_hash_entry. */
+
+static void
+elf32_hppa_copy_indirect_symbol (struct bfd_link_info *info,
+ struct elf_link_hash_entry *eh_dir,
+ struct elf_link_hash_entry *eh_ind)
+{
+ struct elf32_hppa_link_hash_entry *hh_dir, *hh_ind;
+
+ hh_dir = hppa_elf_hash_entry (eh_dir);
+ hh_ind = hppa_elf_hash_entry (eh_ind);
+
+ if (hh_ind->dyn_relocs != NULL)
+ {
+ if (hh_dir->dyn_relocs != NULL)
+ {
+ struct elf32_hppa_dyn_reloc_entry **hdh_pp;
+ struct elf32_hppa_dyn_reloc_entry *hdh_p;
+
+ /* Add reloc counts against the indirect sym to the direct sym
+ list. Merge any entries against the same section. */
+ for (hdh_pp = &hh_ind->dyn_relocs; (hdh_p = *hdh_pp) != NULL; )
+ {
+ struct elf32_hppa_dyn_reloc_entry *hdh_q;
+
+ for (hdh_q = hh_dir->dyn_relocs;
+ hdh_q != NULL;
+ hdh_q = hdh_q->hdh_next)
+ if (hdh_q->sec == hdh_p->sec)
+ {
+#if RELATIVE_DYNRELOCS
+ hdh_q->relative_count += hdh_p->relative_count;
+#endif
+ hdh_q->count += hdh_p->count;
+ *hdh_pp = hdh_p->hdh_next;
+ break;
+ }
+ if (hdh_q == NULL)
+ hdh_pp = &hdh_p->hdh_next;
+ }
+ *hdh_pp = hh_dir->dyn_relocs;
+ }
+
+ hh_dir->dyn_relocs = hh_ind->dyn_relocs;
+ hh_ind->dyn_relocs = NULL;
+ }
+
+ if (ELIMINATE_COPY_RELOCS
+ && eh_ind->root.type != bfd_link_hash_indirect
+ && eh_dir->dynamic_adjusted)
+ {
+ /* If called to transfer flags for a weakdef during processing
+ of elf_adjust_dynamic_symbol, don't copy non_got_ref.
+ We clear it ourselves for ELIMINATE_COPY_RELOCS. */
+ if (eh_dir->versioned != versioned_hidden)
+ eh_dir->ref_dynamic |= eh_ind->ref_dynamic;
+ eh_dir->ref_regular |= eh_ind->ref_regular;
+ eh_dir->ref_regular_nonweak |= eh_ind->ref_regular_nonweak;
+ eh_dir->needs_plt |= eh_ind->needs_plt;
+ }
+ else
+ {
+ if (eh_ind->root.type == bfd_link_hash_indirect)
+ {
+ hh_dir->plabel |= hh_ind->plabel;
+ hh_dir->tls_type |= hh_ind->tls_type;
+ hh_ind->tls_type = GOT_UNKNOWN;
+ }
+
+ _bfd_elf_link_hash_copy_indirect (info, eh_dir, eh_ind);
+ }
+}
+
+static int
+elf32_hppa_optimized_tls_reloc (struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ int r_type, int is_local ATTRIBUTE_UNUSED)
+{
+ /* For now we don't support linker optimizations. */
+ return r_type;
+}
+
+/* Return a pointer to the local GOT, PLT and TLS reference counts
+ for ABFD. Returns NULL if the storage allocation fails. */
+
+static bfd_signed_vma *
+hppa32_elf_local_refcounts (bfd *abfd)
+{
+ Elf_Internal_Shdr *symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
+ bfd_signed_vma *local_refcounts;
+
+ local_refcounts = elf_local_got_refcounts (abfd);
+ if (local_refcounts == NULL)
+ {
+ bfd_size_type size;
+
+ /* Allocate space for local GOT and PLT reference
+ counts. Done this way to save polluting elf_obj_tdata
+ with another target specific pointer. */
+ size = symtab_hdr->sh_info;
+ size *= 2 * sizeof (bfd_signed_vma);
+ /* Add in space to store the local GOT TLS types. */
+ size += symtab_hdr->sh_info;
+ local_refcounts = bfd_zalloc (abfd, size);
+ if (local_refcounts == NULL)
+ return NULL;
+ elf_local_got_refcounts (abfd) = local_refcounts;
+ memset (hppa_elf_local_got_tls_type (abfd), GOT_UNKNOWN,
+ symtab_hdr->sh_info);
+ }
+ return local_refcounts;
}
+
/* Look through the relocs for a section during the first phase, and
- allocate space in the global offset table or procedure linkage
- table. At this point we haven't necessarily read all the input
- files. */
-
-static boolean
-elf32_hppa_check_relocs (abfd, info, sec, relocs)
- bfd *abfd;
- struct bfd_link_info *info;
- asection *sec;
- const Elf_Internal_Rela *relocs;
+ calculate needed space in the global offset table, procedure linkage
+ table, and dynamic reloc sections. At this point we haven't
+ necessarily read all the input files. */
+
+static bfd_boolean
+elf32_hppa_check_relocs (bfd *abfd,
+ struct bfd_link_info *info,
+ asection *sec,
+ const Elf_Internal_Rela *relocs)
{
- bfd *dynobj;
Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
- bfd_signed_vma *local_got_refcounts;
- const Elf_Internal_Rela *rel;
- const Elf_Internal_Rela *rel_end;
- struct elf32_hppa_link_hash_table *hplink;
+ struct elf_link_hash_entry **eh_syms;
+ const Elf_Internal_Rela *rela;
+ const Elf_Internal_Rela *rela_end;
+ struct elf32_hppa_link_hash_table *htab;
asection *sreloc;
- asection *stubreloc;
+ int tls_type = GOT_UNKNOWN, old_tls_type = GOT_UNKNOWN;
- if (info->relocateable)
- return true;
+ if (bfd_link_relocatable (info))
+ return TRUE;
- hplink = hppa_link_hash_table (info);
- dynobj = hplink->root.dynobj;
+ htab = hppa_link_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (abfd);
- local_got_refcounts = elf_local_got_refcounts (abfd);
+ eh_syms = elf_sym_hashes (abfd);
sreloc = NULL;
- stubreloc = NULL;
- rel_end = relocs + sec->reloc_count;
- for (rel = relocs; rel < rel_end; rel++)
+ rela_end = relocs + sec->reloc_count;
+ for (rela = relocs; rela < rela_end; rela++)
{
enum {
NEED_GOT = 1,
NEED_PLT = 2,
NEED_DYNREL = 4,
-#if LONG_BRANCH_PIC_IN_SHLIB
- NEED_STUBREL = 0, /* We won't be needing them in this case. */
-#else
- NEED_STUBREL = 8,
-#endif
- PLT_PLABEL = 16
+ PLT_PLABEL = 8
};
unsigned int r_symndx, r_type;
- struct elf32_hppa_link_hash_entry *h;
- int need_entry;
+ struct elf32_hppa_link_hash_entry *hh;
+ int need_entry = 0;
- r_symndx = ELF32_R_SYM (rel->r_info);
+ r_symndx = ELF32_R_SYM (rela->r_info);
if (r_symndx < symtab_hdr->sh_info)
- h = NULL;
+ hh = NULL;
else
- h = ((struct elf32_hppa_link_hash_entry *)
- sym_hashes[r_symndx - symtab_hdr->sh_info]);
+ {
+ hh = hppa_elf_hash_entry (eh_syms[r_symndx - symtab_hdr->sh_info]);
+ while (hh->eh.root.type == bfd_link_hash_indirect
+ || hh->eh.root.type == bfd_link_hash_warning)
+ hh = hppa_elf_hash_entry (hh->eh.root.u.i.link);
+
+ /* PR15323, ref flags aren't set for references in the same
+ object. */
+ hh->eh.root.non_ir_ref = 1;
+ }
- r_type = ELF32_R_TYPE (rel->r_info);
+ r_type = ELF32_R_TYPE (rela->r_info);
+ r_type = elf32_hppa_optimized_tls_reloc (info, r_type, hh == NULL);
switch (r_type)
{
case R_PARISC_DLTIND21L:
/* This symbol requires a global offset table entry. */
need_entry = NEED_GOT;
-
- /* Mark this section as containing PIC code. */
- sec->flags |= SEC_HAS_GOT_REF;
break;
case R_PARISC_PLABEL14R: /* "Official" procedure labels. */
case R_PARISC_PLABEL21L:
case R_PARISC_PLABEL32:
/* If the addend is non-zero, we break badly. */
- if (rel->r_addend != 0)
+ if (rela->r_addend != 0)
abort ();
/* If we are creating a shared library, then we need to
local symbols may be passed via a pointer to another
object. Additionally, output a dynamic relocation
pointing to the PLT entry.
+
For executables, the original 32-bit ABI allowed two
different styles of PLABELs (function pointers): For
global functions, the PLABEL word points into the .plt
break;
case R_PARISC_PCREL12F:
- hplink->has_12bit_branch = 1;
- /* Fall thru. */
+ htab->has_12bit_branch = 1;
+ goto branch_common;
+
case R_PARISC_PCREL17C:
case R_PARISC_PCREL17F:
- hplink->has_17bit_branch = 1;
- /* Fall thru. */
+ htab->has_17bit_branch = 1;
+ goto branch_common;
+
case R_PARISC_PCREL22F:
+ htab->has_22bit_branch = 1;
+ branch_common:
/* Function calls might need to go through the .plt, and
might require long branch stubs. */
- if (h == NULL)
+ if (hh == NULL)
{
/* We know local syms won't need a .plt entry, and if
they need a long branch stub we can't guarantee that
stub. Unfortunately, we have to cater for the case
where a symbol is forced local by versioning, or due
to symbolic linking, and we lose the .plt entry. */
- need_entry = NEED_PLT | NEED_STUBREL;
- if (h->elf.type == STT_PARISC_MILLI)
- need_entry = NEED_STUBREL;
+ need_entry = NEED_PLT;
+ if (hh->eh.type == STT_PARISC_MILLI)
+ need_entry = 0;
}
break;
- case R_PARISC_SEGBASE: /* Used to set segment base. */
+ case R_PARISC_SEGBASE: /* Used to set segment base. */
case R_PARISC_SEGREL32: /* Relative reloc, used for unwind. */
case R_PARISC_PCREL14F: /* PC relative load/store. */
case R_PARISC_PCREL14R:
case R_PARISC_PCREL17R: /* External branches. */
case R_PARISC_PCREL21L: /* As above, and for load/store too. */
+ case R_PARISC_PCREL32:
/* We don't need to propagate the relocation if linking a
shared object since these are section relative. */
continue;
case R_PARISC_DPREL14F: /* Used for gp rel data load/store. */
case R_PARISC_DPREL14R:
case R_PARISC_DPREL21L:
- if (info->shared)
+ if (bfd_link_pic (info))
{
- (*_bfd_error_handler)
- (_("%s: relocation %s can not be used when making a shared object; recompile with -fPIC"),
- bfd_get_filename (abfd),
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("%B: relocation %s can not be used when making a shared object; recompile with -fPIC"),
+ abfd,
elf_hppa_howto_table[r_type].name);
bfd_set_error (bfd_error_bad_value);
- return false;
+ return FALSE;
}
/* Fall through. */
case R_PARISC_DIR14F: /* Used for load/store from absolute locn. */
case R_PARISC_DIR14R:
case R_PARISC_DIR21L: /* As above, and for ext branches too. */
-#if 1
- /* Help debug shared library creation. Any of the above
- relocs can be used in shared libs, but they may cause
- pages to become unshared. */
- if (info->shared)
- {
- (*_bfd_error_handler)
- (_("%s: relocation %s should not be used when making a shared object; recompile with -fPIC"),
- bfd_get_filename (abfd),
- elf_hppa_howto_table[r_type].name);
- }
- /* Fall through. */
-#endif
-
case R_PARISC_DIR32: /* .word relocs. */
/* We may want to output a dynamic relocation later. */
need_entry = NEED_DYNREL;
/* This relocation describes the C++ object vtable hierarchy.
Reconstruct it for later use during GC. */
case R_PARISC_GNU_VTINHERIT:
- if (!_bfd_elf32_gc_record_vtinherit (abfd, sec,
- &h->elf, rel->r_offset))
- return false;
+ if (!bfd_elf_gc_record_vtinherit (abfd, sec, &hh->eh, rela->r_offset))
+ return FALSE;
continue;
/* This relocation describes which C++ vtable entries are actually
used. Record for later use during GC. */
case R_PARISC_GNU_VTENTRY:
- if (!_bfd_elf32_gc_record_vtentry (abfd, sec,
- &h->elf, rel->r_addend))
- return false;
+ BFD_ASSERT (hh != NULL);
+ if (hh != NULL
+ && !bfd_elf_gc_record_vtentry (abfd, sec, &hh->eh, rela->r_addend))
+ return FALSE;
continue;
+ case R_PARISC_TLS_GD21L:
+ case R_PARISC_TLS_GD14R:
+ case R_PARISC_TLS_LDM21L:
+ case R_PARISC_TLS_LDM14R:
+ need_entry = NEED_GOT;
+ break;
+
+ case R_PARISC_TLS_IE21L:
+ case R_PARISC_TLS_IE14R:
+ if (bfd_link_pic (info))
+ info->flags |= DF_STATIC_TLS;
+ need_entry = NEED_GOT;
+ break;
+
default:
continue;
}
/* Now carry out our orders. */
if (need_entry & NEED_GOT)
{
- /* Allocate space for a GOT entry, as well as a dynamic
- relocation for this entry. */
- if (dynobj == NULL)
- hplink->root.dynobj = dynobj = abfd;
-
- if (hplink->sgot == NULL)
+ switch (r_type)
{
- if (! elf32_hppa_create_dynamic_sections (dynobj, info))
- return false;
+ default:
+ tls_type = GOT_NORMAL;
+ break;
+ case R_PARISC_TLS_GD21L:
+ case R_PARISC_TLS_GD14R:
+ tls_type |= GOT_TLS_GD;
+ break;
+ case R_PARISC_TLS_LDM21L:
+ case R_PARISC_TLS_LDM14R:
+ tls_type |= GOT_TLS_LDM;
+ break;
+ case R_PARISC_TLS_IE21L:
+ case R_PARISC_TLS_IE14R:
+ tls_type |= GOT_TLS_IE;
+ break;
}
- if (h != NULL)
+ /* Allocate space for a GOT entry, as well as a dynamic
+ relocation for this entry. */
+ if (htab->etab.sgot == NULL)
{
- if (h->elf.got.refcount == -1)
- {
- h->elf.got.refcount = 1;
-
- /* Make sure this symbol is output as a dynamic symbol. */
- if (h->elf.dynindx == -1)
- {
- if (! bfd_elf32_link_record_dynamic_symbol (info,
- &h->elf))
- return false;
- }
- }
- else
- h->elf.got.refcount += 1;
+ if (!elf32_hppa_create_dynamic_sections (htab->etab.dynobj, info))
+ return FALSE;
}
+
+ if (r_type == R_PARISC_TLS_LDM21L
+ || r_type == R_PARISC_TLS_LDM14R)
+ htab->tls_ldm_got.refcount += 1;
else
{
- /* This is a global offset table entry for a local symbol. */
- if (local_got_refcounts == NULL)
- {
- size_t size;
-
- /* Allocate space for local got offsets and local
- plt offsets. Done this way to save polluting
- elf_obj_tdata with another target specific
- pointer. */
- size = symtab_hdr->sh_info * 2 * sizeof (bfd_signed_vma);
- local_got_refcounts = ((bfd_signed_vma *)
- bfd_alloc (abfd, size));
- if (local_got_refcounts == NULL)
- return false;
- elf_local_got_refcounts (abfd) = local_got_refcounts;
- memset (local_got_refcounts, -1, size);
- }
- if (local_got_refcounts[r_symndx] == -1)
- local_got_refcounts[r_symndx] = 1;
+ if (hh != NULL)
+ {
+ hh->eh.got.refcount += 1;
+ old_tls_type = hh->tls_type;
+ }
else
- local_got_refcounts[r_symndx] += 1;
+ {
+ bfd_signed_vma *local_got_refcounts;
+
+ /* This is a global offset table entry for a local symbol. */
+ local_got_refcounts = hppa32_elf_local_refcounts (abfd);
+ if (local_got_refcounts == NULL)
+ return FALSE;
+ local_got_refcounts[r_symndx] += 1;
+
+ old_tls_type = hppa_elf_local_got_tls_type (abfd) [r_symndx];
+ }
+
+ tls_type |= old_tls_type;
+
+ if (old_tls_type != tls_type)
+ {
+ if (hh != NULL)
+ hh->tls_type = tls_type;
+ else
+ hppa_elf_local_got_tls_type (abfd) [r_symndx] = tls_type;
+ }
+
}
}
clean up later in adjust_dynamic_symbol. */
if ((sec->flags & SEC_ALLOC) != 0)
{
- if (h != NULL)
+ if (hh != NULL)
{
- if (h->elf.plt.refcount == -1)
- {
- h->elf.plt.refcount = 1;
- h->elf.elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
- }
- else
- h->elf.plt.refcount += 1;
+ hh->eh.needs_plt = 1;
+ hh->eh.plt.refcount += 1;
/* If this .plt entry is for a plabel, mark it so
that adjust_dynamic_symbol will keep the entry
even if it appears to be local. */
if (need_entry & PLT_PLABEL)
- h->plabel = 1;
+ hh->plabel = 1;
}
else if (need_entry & PLT_PLABEL)
{
- int indx;
+ bfd_signed_vma *local_got_refcounts;
+ bfd_signed_vma *local_plt_refcounts;
+ local_got_refcounts = hppa32_elf_local_refcounts (abfd);
if (local_got_refcounts == NULL)
- {
- size_t size;
-
- /* Allocate space for local got offsets and local
- plt offsets. */
- size = symtab_hdr->sh_info * 2 * sizeof (bfd_signed_vma);
- local_got_refcounts = ((bfd_signed_vma *)
- bfd_alloc (abfd, size));
- if (local_got_refcounts == NULL)
- return false;
- elf_local_got_refcounts (abfd) = local_got_refcounts;
- memset (local_got_refcounts, -1, size);
- }
- indx = r_symndx + symtab_hdr->sh_info;
- if (local_got_refcounts[indx] == -1)
- local_got_refcounts[indx] = 1;
- else
- local_got_refcounts[indx] += 1;
+ return FALSE;
+ local_plt_refcounts = (local_got_refcounts
+ + symtab_hdr->sh_info);
+ local_plt_refcounts[r_symndx] += 1;
}
}
}
- if (need_entry & (NEED_DYNREL | NEED_STUBREL))
+ if (need_entry & NEED_DYNREL)
{
/* Flag this symbol as having a non-got, non-plt reference
so that we generate copy relocs if it turns out to be
dynamic. */
- if (h != NULL)
- h->elf.elf_link_hash_flags |= ELF_LINK_NON_GOT_REF;
+ if (hh != NULL && !bfd_link_pic (info))
+ hh->eh.non_got_ref = 1;
/* If we are creating a shared library then we need to copy
the reloc into the shared library. However, if we are
have not seen all the input files, so it is possible that
DEF_REGULAR is not set now but will be set later (it is
never cleared). We account for that possibility below by
- storing information in the reloc_entries field of the
+ storing information in the dyn_relocs field of the
hash table entry.
A similar situation to the -Bsymbolic case occurs when
links or visibility changes anyway. A STUB_REL reloc
is absolute too, as in that case it is the reloc in the
stub we will be creating, rather than copying the PCREL
- reloc in the branch. */
- if ((sec->flags & SEC_ALLOC) != 0
- && info->shared
-#if RELATIVE_DYNAMIC_RELOCS
- && (!info->symbolic
- || is_absolute_reloc (r_type)
- || (h != NULL
- && ((h->elf.elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0)))
-#endif
- )
+ reloc in the branch.
+
+ If on the other hand, we are creating an executable, we
+ may need to keep relocations for symbols satisfied by a
+ dynamic library if we manage to avoid copy relocs for the
+ symbol. */
+ if ((bfd_link_pic (info)
+ && (sec->flags & SEC_ALLOC) != 0
+ && (IS_ABSOLUTE_RELOC (r_type)
+ || (hh != NULL
+ && (!SYMBOLIC_BIND (info, &hh->eh)
+ || hh->eh.root.type == bfd_link_hash_defweak
+ || !hh->eh.def_regular))))
+ || (ELIMINATE_COPY_RELOCS
+ && !bfd_link_pic (info)
+ && (sec->flags & SEC_ALLOC) != 0
+ && hh != NULL
+ && (hh->eh.root.type == bfd_link_hash_defweak
+ || !hh->eh.def_regular)))
{
- boolean doit;
- asection *srel;
-
- srel = sreloc;
- if ((need_entry & NEED_STUBREL))
- srel = stubreloc;
+ struct elf32_hppa_dyn_reloc_entry *hdh_p;
+ struct elf32_hppa_dyn_reloc_entry **hdh_head;
/* Create a reloc section in dynobj and make room for
this reloc. */
- if (srel == NULL)
+ if (sreloc == NULL)
{
- char *name;
+ sreloc = _bfd_elf_make_dynamic_reloc_section
+ (sec, htab->etab.dynobj, 2, abfd, /*rela?*/ TRUE);
- if (dynobj == NULL)
- hplink->root.dynobj = dynobj = abfd;
-
- name = bfd_elf_string_from_elf_section
- (abfd,
- elf_elfheader (abfd)->e_shstrndx,
- elf_section_data (sec)->rel_hdr.sh_name);
- if (name == NULL)
+ if (sreloc == NULL)
{
- (*_bfd_error_handler)
- (_("Could not find relocation section for %s"),
- sec->name);
bfd_set_error (bfd_error_bad_value);
- return false;
- }
-
- if ((need_entry & NEED_STUBREL))
- {
- size_t len = strlen (name) + sizeof (STUB_SUFFIX);
- char *newname = bfd_malloc (len);
-
- if (newname == NULL)
- return false;
- strcpy (newname, name);
- strcpy (newname + len - sizeof (STUB_SUFFIX),
- STUB_SUFFIX);
- name = newname;
+ return FALSE;
}
-
- srel = bfd_get_section_by_name (dynobj, name);
- if (srel == NULL)
- {
- flagword flags;
-
- srel = bfd_make_section (dynobj, name);
- flags = (SEC_HAS_CONTENTS | SEC_READONLY
- | SEC_IN_MEMORY | SEC_LINKER_CREATED);
- if ((sec->flags & SEC_ALLOC) != 0)
- flags |= SEC_ALLOC | SEC_LOAD;
- if (srel == NULL
- || !bfd_set_section_flags (dynobj, srel, flags)
- || !bfd_set_section_alignment (dynobj, srel, 2))
- return false;
- }
- else if ((need_entry & NEED_STUBREL))
- free (name);
-
- if ((need_entry & NEED_STUBREL))
- stubreloc = srel;
- else
- sreloc = srel;
}
-#if ! LONG_BRANCH_PIC_IN_SHLIB
- /* If this is a function call, we only need one dynamic
- reloc for the stub as all calls to a particular
- function will go through the same stub. Actually, a
- long branch stub needs two relocations, but we count
- on some intelligence on the part of the dynamic
- linker. */
- if ((need_entry & NEED_STUBREL))
+ /* If this is a global symbol, we count the number of
+ relocations we need for this symbol. */
+ if (hh != NULL)
{
- doit = h->stub_reloc_sec != stubreloc;
- h->stub_reloc_sec = stubreloc;
+ hdh_head = &hh->dyn_relocs;
}
else
-#endif
- doit = 1;
+ {
+ /* Track dynamic relocs needed for local syms too.
+ We really need local syms available to do this
+ easily. Oh well. */
+ asection *sr;
+ void *vpp;
+ Elf_Internal_Sym *isym;
+
+ isym = bfd_sym_from_r_symndx (&htab->sym_cache,
+ abfd, r_symndx);
+ if (isym == NULL)
+ return FALSE;
+
+ sr = bfd_section_from_elf_index (abfd, isym->st_shndx);
+ if (sr == NULL)
+ sr = sec;
+
+ vpp = &elf_section_data (sr)->local_dynrel;
+ hdh_head = (struct elf32_hppa_dyn_reloc_entry **) vpp;
+ }
- if (doit)
+ hdh_p = *hdh_head;
+ if (hdh_p == NULL || hdh_p->sec != sec)
{
- srel->_raw_size += sizeof (Elf32_External_Rela);
-
-#if ! LONG_BRANCH_PIC_IN_SHLIB || RELATIVE_DYNAMIC_RELOCS
- /* Keep track of relocations we have entered for
- this global symbol, so that we can discard them
- later if necessary. */
- if (h != NULL
- && (0
-#if RELATIVE_DYNAMIC_RELOCS
- || ! is_absolute_reloc (rtype)
+ hdh_p = bfd_alloc (htab->etab.dynobj, sizeof *hdh_p);
+ if (hdh_p == NULL)
+ return FALSE;
+ hdh_p->hdh_next = *hdh_head;
+ *hdh_head = hdh_p;
+ hdh_p->sec = sec;
+ hdh_p->count = 0;
+#if RELATIVE_DYNRELOCS
+ hdh_p->relative_count = 0;
#endif
- || (need_entry & NEED_STUBREL)))
- {
- struct elf32_hppa_dyn_reloc_entry *p;
-
- for (p = h->reloc_entries; p != NULL; p = p->next)
- if (p->section == srel)
- break;
-
- if (p == NULL)
- {
- p = ((struct elf32_hppa_dyn_reloc_entry *)
- bfd_alloc (dynobj, sizeof *p));
- if (p == NULL)
- return false;
- p->next = h->reloc_entries;
- h->reloc_entries = p;
- p->section = srel;
- p->count = 0;
- }
+ }
- /* NEED_STUBREL and NEED_DYNREL are never both
- set. Leave the count at zero for the
- NEED_STUBREL case as we only ever have one
- stub reloc per section per symbol, and this
- simplifies code in hppa_discard_copies. */
- if (! (need_entry & NEED_STUBREL))
- ++p->count;
- }
+ hdh_p->count += 1;
+#if RELATIVE_DYNRELOCS
+ if (!IS_ABSOLUTE_RELOC (rtype))
+ hdh_p->relative_count += 1;
#endif
- }
}
}
}
- return true;
+ return TRUE;
}
/* Return the section that should be marked against garbage collection
for a given relocation. */
static asection *
-elf32_hppa_gc_mark_hook (abfd, info, rel, h, sym)
- bfd *abfd;
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- Elf_Internal_Rela *rel;
- struct elf_link_hash_entry *h;
- Elf_Internal_Sym *sym;
+elf32_hppa_gc_mark_hook (asection *sec,
+ struct bfd_link_info *info,
+ Elf_Internal_Rela *rela,
+ struct elf_link_hash_entry *hh,
+ Elf_Internal_Sym *sym)
{
- if (h != NULL)
- {
- switch ((unsigned int) ELF32_R_TYPE (rel->r_info))
- {
- case R_PARISC_GNU_VTINHERIT:
- case R_PARISC_GNU_VTENTRY:
- break;
-
- default:
- switch (h->root.type)
- {
- case bfd_link_hash_defined:
- case bfd_link_hash_defweak:
- return h->root.u.def.section;
-
- case bfd_link_hash_common:
- return h->root.u.c.p->section;
-
- default:
- break;
- }
- }
- }
- else
- {
- if (!(elf_bad_symtab (abfd)
- && ELF_ST_BIND (sym->st_info) != STB_LOCAL)
- && ! ((sym->st_shndx <= 0 || sym->st_shndx >= SHN_LORESERVE)
- && sym->st_shndx != SHN_COMMON))
- {
- return bfd_section_from_elf_index (abfd, sym->st_shndx);
- }
- }
+ if (hh != NULL)
+ switch ((unsigned int) ELF32_R_TYPE (rela->r_info))
+ {
+ case R_PARISC_GNU_VTINHERIT:
+ case R_PARISC_GNU_VTENTRY:
+ return NULL;
+ }
- return NULL;
+ return _bfd_elf_gc_mark_hook (sec, info, rela, hh, sym);
}
/* Update the got and plt entry reference counts for the section being
removed. */
-static boolean
-elf32_hppa_gc_sweep_hook (abfd, info, sec, relocs)
- bfd *abfd;
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- asection *sec;
- const Elf_Internal_Rela *relocs;
+static bfd_boolean
+elf32_hppa_gc_sweep_hook (bfd *abfd,
+ struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ asection *sec,
+ const Elf_Internal_Rela *relocs)
{
Elf_Internal_Shdr *symtab_hdr;
- struct elf_link_hash_entry **sym_hashes;
+ struct elf_link_hash_entry **eh_syms;
bfd_signed_vma *local_got_refcounts;
bfd_signed_vma *local_plt_refcounts;
- const Elf_Internal_Rela *rel, *relend;
- unsigned long r_symndx;
- struct elf_link_hash_entry *h;
- struct elf32_hppa_link_hash_table *hplink;
- bfd *dynobj;
+ const Elf_Internal_Rela *rela, *relend;
+ struct elf32_hppa_link_hash_table *htab;
+
+ if (bfd_link_relocatable (info))
+ return TRUE;
+
+ htab = hppa_link_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
+ elf_section_data (sec)->local_dynrel = NULL;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
- sym_hashes = elf_sym_hashes (abfd);
+ eh_syms = elf_sym_hashes (abfd);
local_got_refcounts = elf_local_got_refcounts (abfd);
local_plt_refcounts = local_got_refcounts;
if (local_plt_refcounts != NULL)
local_plt_refcounts += symtab_hdr->sh_info;
- hplink = hppa_link_hash_table (info);
- dynobj = hplink->root.dynobj;
- if (dynobj == NULL)
- return true;
relend = relocs + sec->reloc_count;
- for (rel = relocs; rel < relend; rel++)
- switch ((unsigned int) ELF32_R_TYPE (rel->r_info))
- {
- case R_PARISC_DLTIND14F:
- case R_PARISC_DLTIND14R:
- case R_PARISC_DLTIND21L:
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- if (h->got.refcount > 0)
- h->got.refcount -= 1;
- }
- else if (local_got_refcounts != NULL)
- {
- if (local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx] -= 1;
- }
- break;
+ for (rela = relocs; rela < relend; rela++)
+ {
+ unsigned long r_symndx;
+ unsigned int r_type;
+ struct elf_link_hash_entry *eh = NULL;
- case R_PARISC_PCREL12F:
- case R_PARISC_PCREL17C:
- case R_PARISC_PCREL17F:
- case R_PARISC_PCREL22F:
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- if (h->plt.refcount > 0)
- h->plt.refcount -= 1;
- }
- break;
+ r_symndx = ELF32_R_SYM (rela->r_info);
+ if (r_symndx >= symtab_hdr->sh_info)
+ {
+ struct elf32_hppa_link_hash_entry *hh;
+ struct elf32_hppa_dyn_reloc_entry **hdh_pp;
+ struct elf32_hppa_dyn_reloc_entry *hdh_p;
+
+ eh = eh_syms[r_symndx - symtab_hdr->sh_info];
+ while (eh->root.type == bfd_link_hash_indirect
+ || eh->root.type == bfd_link_hash_warning)
+ eh = (struct elf_link_hash_entry *) eh->root.u.i.link;
+ hh = hppa_elf_hash_entry (eh);
+
+ for (hdh_pp = &hh->dyn_relocs; (hdh_p = *hdh_pp) != NULL; hdh_pp = &hdh_p->hdh_next)
+ if (hdh_p->sec == sec)
+ {
+ /* Everything must go for SEC. */
+ *hdh_pp = hdh_p->hdh_next;
+ break;
+ }
+ }
- case R_PARISC_PLABEL14R:
- case R_PARISC_PLABEL21L:
- case R_PARISC_PLABEL32:
- r_symndx = ELF32_R_SYM (rel->r_info);
- if (r_symndx >= symtab_hdr->sh_info)
- {
- h = sym_hashes[r_symndx - symtab_hdr->sh_info];
- if (h->plt.refcount > 0)
- h->plt.refcount -= 1;
- }
- else if (local_plt_refcounts != NULL)
- {
- if (local_plt_refcounts[r_symndx] > 0)
- local_plt_refcounts[r_symndx] -= 1;
- }
- break;
+ r_type = ELF32_R_TYPE (rela->r_info);
+ r_type = elf32_hppa_optimized_tls_reloc (info, r_type, eh != NULL);
+
+ switch (r_type)
+ {
+ case R_PARISC_DLTIND14F:
+ case R_PARISC_DLTIND14R:
+ case R_PARISC_DLTIND21L:
+ case R_PARISC_TLS_GD21L:
+ case R_PARISC_TLS_GD14R:
+ case R_PARISC_TLS_IE21L:
+ case R_PARISC_TLS_IE14R:
+ if (eh != NULL)
+ {
+ if (eh->got.refcount > 0)
+ eh->got.refcount -= 1;
+ }
+ else if (local_got_refcounts != NULL)
+ {
+ if (local_got_refcounts[r_symndx] > 0)
+ local_got_refcounts[r_symndx] -= 1;
+ }
+ break;
+ case R_PARISC_TLS_LDM21L:
+ case R_PARISC_TLS_LDM14R:
+ htab->tls_ldm_got.refcount -= 1;
+ break;
+
+ case R_PARISC_PCREL12F:
+ case R_PARISC_PCREL17C:
+ case R_PARISC_PCREL17F:
+ case R_PARISC_PCREL22F:
+ if (eh != NULL)
+ {
+ if (eh->plt.refcount > 0)
+ eh->plt.refcount -= 1;
+ }
+ break;
+
+ case R_PARISC_PLABEL14R:
+ case R_PARISC_PLABEL21L:
+ case R_PARISC_PLABEL32:
+ if (eh != NULL)
+ {
+ if (eh->plt.refcount > 0)
+ eh->plt.refcount -= 1;
+ }
+ else if (local_plt_refcounts != NULL)
+ {
+ if (local_plt_refcounts[r_symndx] > 0)
+ local_plt_refcounts[r_symndx] -= 1;
+ }
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ return TRUE;
+}
+
+/* Support for core dump NOTE sections. */
+
+static bfd_boolean
+elf32_hppa_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
+{
+ int offset;
+ size_t size;
+
+ switch (note->descsz)
+ {
default:
+ return FALSE;
+
+ case 396: /* Linux/hppa */
+ /* pr_cursig */
+ elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
+
+ /* pr_pid */
+ elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24);
+
+ /* pr_reg */
+ offset = 72;
+ size = 320;
+
break;
- }
+ }
+
+ /* Make a ".reg/999" section. */
+ return _bfd_elfcore_make_pseudosection (abfd, ".reg",
+ size, note->descpos + offset);
+}
+
+static bfd_boolean
+elf32_hppa_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
+{
+ switch (note->descsz)
+ {
+ default:
+ return FALSE;
- return true;
+ case 124: /* Linux/hppa elf_prpsinfo. */
+ elf_tdata (abfd)->core->program
+ = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
+ elf_tdata (abfd)->core->command
+ = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
+ }
+
+ /* Note that for some reason, a spurious space is tacked
+ onto the end of the args in some (at least one anyway)
+ implementations, so strip it off if it exists. */
+ {
+ char *command = elf_tdata (abfd)->core->command;
+ int n = strlen (command);
+
+ if (0 < n && command[n - 1] == ' ')
+ command[n - 1] = '\0';
+ }
+
+ return TRUE;
}
/* Our own version of hide_symbol, so that we can keep plt entries for
plabels. */
static void
-elf32_hppa_hide_symbol (info, h)
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- struct elf_link_hash_entry *h;
+elf32_hppa_hide_symbol (struct bfd_link_info *info,
+ struct elf_link_hash_entry *eh,
+ bfd_boolean force_local)
{
- if ((h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0)
- h->dynindx = -1;
- if (! ((struct elf32_hppa_link_hash_entry *) h)->plabel)
+ if (force_local)
+ {
+ eh->forced_local = 1;
+ if (eh->dynindx != -1)
+ {
+ eh->dynindx = -1;
+ _bfd_elf_strtab_delref (elf_hash_table (info)->dynstr,
+ eh->dynstr_index);
+ }
+
+ /* PR 16082: Remove version information from hidden symbol. */
+ eh->verinfo.verdef = NULL;
+ eh->verinfo.vertree = NULL;
+ }
+
+ /* STT_GNU_IFUNC symbol must go through PLT. */
+ if (! hppa_elf_hash_entry (eh)->plabel
+ && eh->type != STT_GNU_IFUNC)
{
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
- h->plt.offset = (bfd_vma) -1;
+ eh->needs_plt = 0;
+ eh->plt = elf_hash_table (info)->init_plt_offset;
}
}
-/* This is the condition under which elf32_hppa_finish_dynamic_symbol
- will be called from elflink.h. If elflink.h doesn't call our
- finish_dynamic_symbol routine, we'll need to do something about
- initializing any .plt and .got entries in elf32_hppa_relocate_section. */
-#define WILL_CALL_FINISH_DYNAMIC_SYMBOL(DYN, INFO, H) \
- ((DYN) \
- && ((INFO)->shared \
- || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0) \
- && ((H)->dynindx != -1 \
- || ((H)->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) != 0))
-
/* Adjust a symbol defined by a dynamic object and referenced by a
regular object. The current definition is in some section of the
dynamic object, but we're not including those sections. We have to
change the definition to something the rest of the link can
understand. */
-static boolean
-elf32_hppa_adjust_dynamic_symbol (info, h)
- struct bfd_link_info *info;
- struct elf_link_hash_entry *h;
+static bfd_boolean
+elf32_hppa_adjust_dynamic_symbol (struct bfd_link_info *info,
+ struct elf_link_hash_entry *eh)
{
- bfd *dynobj;
- struct elf32_hppa_link_hash_table *hplink;
- asection *s;
-
- hplink = hppa_link_hash_table (info);
- dynobj = hplink->root.dynobj;
+ struct elf32_hppa_link_hash_table *htab;
+ asection *sec, *srel;
/* If this is a function, put it in the procedure linkage table. We
- will fill in the contents of the procedure linkage table later,
- when we know the address of the .got section. */
- if (h->type == STT_FUNC
- || (h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_PLT) != 0)
+ will fill in the contents of the procedure linkage table later. */
+ if (eh->type == STT_FUNC
+ || eh->needs_plt)
{
- if (!info->shared
- && h->plt.refcount > 0
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0
- && (h->root.u.def.section->flags & SEC_HAS_GOT_REF) != 0)
- {
- ((struct elf32_hppa_link_hash_entry *) h)->maybe_pic_call = 1;
- }
-
- if (h->plt.refcount <= 0
- || ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0
- && h->root.type != bfd_link_hash_defweak
- && ! ((struct elf32_hppa_link_hash_entry *) h)->plabel
- && (!info->shared || info->symbolic)))
+ /* If the symbol is used by a plabel, we must allocate a PLT slot.
+ The refcounts are not reliable when it has been hidden since
+ hide_symbol can be called before the plabel flag is set. */
+ if (hppa_elf_hash_entry (eh)->plabel
+ && eh->plt.refcount <= 0)
+ eh->plt.refcount = 1;
+
+ if (eh->plt.refcount <= 0
+ || (eh->def_regular
+ && eh->root.type != bfd_link_hash_defweak
+ && ! hppa_elf_hash_entry (eh)->plabel
+ && (!bfd_link_pic (info) || SYMBOLIC_BIND (info, eh))))
{
/* The .plt entry is not needed when:
a) Garbage collection has removed all references to the
used by a plabel relocation. Either this object is the
application or we are doing a shared symbolic link. */
- /* As a special sop to the hppa ABI, we keep a .plt entry
- for functions in sections containing PIC code. */
- if (((struct elf32_hppa_link_hash_entry *) h)->maybe_pic_call)
- ((struct elf32_hppa_link_hash_entry *) h)->pic_call = 1;
- else
- {
- h->plt.offset = (bfd_vma) -1;
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
- return true;
- }
- }
-
- if (! ((struct elf32_hppa_link_hash_entry *) h)->pic_call)
- {
- /* Make sure this symbol is output as a dynamic symbol. */
- if (h->dynindx == -1
- && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
- {
- if (! bfd_elf32_link_record_dynamic_symbol (info, h))
- return false;
- }
+ eh->plt.offset = (bfd_vma) -1;
+ eh->needs_plt = 0;
}
- return true;
+ return TRUE;
}
+ else
+ eh->plt.offset = (bfd_vma) -1;
/* If this is a weak symbol, and there is a real definition, the
processor independent code will have arranged for us to see the
real definition first, and we can just use the same value. */
- if (h->weakdef != NULL)
+ if (eh->u.weakdef != NULL)
{
- if (h->weakdef->root.type != bfd_link_hash_defined
- && h->weakdef->root.type != bfd_link_hash_defweak)
+ if (eh->u.weakdef->root.type != bfd_link_hash_defined
+ && eh->u.weakdef->root.type != bfd_link_hash_defweak)
abort ();
- h->root.u.def.section = h->weakdef->root.u.def.section;
- h->root.u.def.value = h->weakdef->root.u.def.value;
- return true;
+ eh->root.u.def.section = eh->u.weakdef->root.u.def.section;
+ eh->root.u.def.value = eh->u.weakdef->root.u.def.value;
+ if (ELIMINATE_COPY_RELOCS)
+ eh->non_got_ref = eh->u.weakdef->non_got_ref;
+ return TRUE;
}
/* This is a reference to a symbol defined by a dynamic object which
only references to the symbol are via the global offset table.
For such cases we need not do anything here; the relocations will
be handled correctly by relocate_section. */
- if (info->shared)
- return true;
+ if (bfd_link_pic (info))
+ return TRUE;
/* If there are no references to this symbol that do not use the
GOT, we don't need to generate a copy reloc. */
- if ((h->elf_link_hash_flags & ELF_LINK_NON_GOT_REF) == 0)
- return true;
+ if (!eh->non_got_ref)
+ return TRUE;
+
+ if (ELIMINATE_COPY_RELOCS)
+ {
+ struct elf32_hppa_link_hash_entry *hh;
+ struct elf32_hppa_dyn_reloc_entry *hdh_p;
+
+ hh = hppa_elf_hash_entry (eh);
+ for (hdh_p = hh->dyn_relocs; hdh_p != NULL; hdh_p = hdh_p->hdh_next)
+ {
+ sec = hdh_p->sec->output_section;
+ if (sec != NULL && (sec->flags & SEC_READONLY) != 0)
+ break;
+ }
+
+ /* If we didn't find any dynamic relocs in read-only sections, then
+ we'll be keeping the dynamic relocs and avoiding the copy reloc. */
+ if (hdh_p == NULL)
+ {
+ eh->non_got_ref = 0;
+ return TRUE;
+ }
+ }
/* We must allocate the symbol in our .dynbss section, which will
become part of the .bss section of the executable. There will be
both the dynamic object and the regular object will refer to the
same memory location for the variable. */
- s = hplink->sdynbss;
+ htab = hppa_link_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
/* We must generate a COPY reloc to tell the dynamic linker to
copy the initial value out of the dynamic object and into the
- runtime process image. We need to remember the offset into the
- .rela.bss section we are going to use. */
- if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
+ runtime process image. */
+ if ((eh->root.u.def.section->flags & SEC_READONLY) != 0)
{
- asection *srel;
-
- srel = hplink->srelbss;
- srel->_raw_size += sizeof (Elf32_External_Rela);
- h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_COPY;
+ sec = htab->etab.sdynrelro;
+ srel = htab->etab.sreldynrelro;
+ }
+ else
+ {
+ sec = htab->etab.sdynbss;
+ srel = htab->etab.srelbss;
+ }
+ if ((eh->root.u.def.section->flags & SEC_ALLOC) != 0 && eh->size != 0)
+ {
+ srel->size += sizeof (Elf32_External_Rela);
+ eh->needs_copy = 1;
}
- {
- /* We need to figure out the alignment required for this symbol. I
- have no idea how other ELF linkers handle this. */
- unsigned int power_of_two;
-
- power_of_two = bfd_log2 (h->size);
- if (power_of_two > 3)
- power_of_two = 3;
-
- /* Apply the required alignment. */
- s->_raw_size = BFD_ALIGN (s->_raw_size,
- (bfd_size_type) (1 << power_of_two));
- if (power_of_two > bfd_get_section_alignment (dynobj, s))
- {
- if (! bfd_set_section_alignment (dynobj, s, power_of_two))
- return false;
- }
- }
- /* Define the symbol as being at this point in the section. */
- h->root.u.def.section = s;
- h->root.u.def.value = s->_raw_size;
-
- /* Increment the section size to make room for the symbol. */
- s->_raw_size += h->size;
-
- return true;
+ return _bfd_elf_adjust_dynamic_copy (info, eh, sec);
}
-/* Called via elf_link_hash_traverse to create .plt entries for an
- application that uses statically linked PIC functions. Similar to
- the first part of elf32_hppa_adjust_dynamic_symbol. */
+/* Make an undefined weak symbol dynamic. */
-static boolean
-hppa_handle_PIC_calls (h, inf)
- struct elf_link_hash_entry *h;
- PTR inf ATTRIBUTE_UNUSED;
+static bfd_boolean
+ensure_undef_weak_dynamic (struct bfd_link_info *info,
+ struct elf_link_hash_entry *eh)
{
- if (! (h->plt.refcount > 0
- && (h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak)
- && (h->root.u.def.section->flags & SEC_HAS_GOT_REF) != 0))
- {
- h->plt.offset = (bfd_vma) -1;
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
- return true;
- }
-
- h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
- ((struct elf32_hppa_link_hash_entry *) h)->maybe_pic_call = 1;
- ((struct elf32_hppa_link_hash_entry *) h)->pic_call = 1;
-
- return true;
+ if (eh->dynindx == -1
+ && !eh->forced_local
+ && eh->type != STT_PARISC_MILLI
+ && eh->root.type == bfd_link_hash_undefweak
+ && ELF_ST_VISIBILITY (eh->other) == STV_DEFAULT)
+ return bfd_elf_link_record_dynamic_symbol (info, eh);
+ return TRUE;
}
-/* Allocate space in .plt, .got and associated reloc sections for
- global syms. */
+/* Allocate space in the .plt for entries that won't have relocations.
+ ie. plabel entries. */
-static boolean
-allocate_plt_and_got (h, inf)
- struct elf_link_hash_entry *h;
- PTR inf;
+static bfd_boolean
+allocate_plt_static (struct elf_link_hash_entry *eh, void *inf)
{
struct bfd_link_info *info;
- struct elf32_hppa_link_hash_table *hplink;
- asection *s;
+ struct elf32_hppa_link_hash_table *htab;
+ struct elf32_hppa_link_hash_entry *hh;
+ asection *sec;
+
+ if (eh->root.type == bfd_link_hash_indirect)
+ return TRUE;
info = (struct bfd_link_info *) inf;
- hplink = hppa_link_hash_table (info);
- if ((hplink->root.dynamic_sections_created
- && h->plt.refcount > 0)
- || ((struct elf32_hppa_link_hash_entry *) h)->pic_call)
+ hh = hppa_elf_hash_entry (eh);
+ htab = hppa_link_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
+ if (htab->etab.dynamic_sections_created
+ && eh->plt.refcount > 0)
{
- /* Make an entry in the .plt section. */
- s = hplink->splt;
- h->plt.offset = s->_raw_size;
- if (PLABEL_PLT_ENTRY_SIZE != PLT_ENTRY_SIZE
- && ((struct elf32_hppa_link_hash_entry *) h)->plabel
- && (h->elf_link_hash_flags & ELF_LINK_FORCED_LOCAL) == 0)
+ if (!ensure_undef_weak_dynamic (info, eh))
+ return FALSE;
+
+ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, bfd_link_pic (info), eh))
{
- /* Add some extra space for the dynamic linker to use. */
- s->_raw_size += PLABEL_PLT_ENTRY_SIZE;
+ /* Allocate these later. From this point on, h->plabel
+ means that the plt entry is only used by a plabel.
+ We'll be using a normal plt entry for this symbol, so
+ clear the plabel indicator. */
+
+ hh->plabel = 0;
+ }
+ else if (hh->plabel)
+ {
+ /* Make an entry in the .plt section for plabel references
+ that won't have a .plt entry for other reasons. */
+ sec = htab->etab.splt;
+ eh->plt.offset = sec->size;
+ sec->size += PLT_ENTRY_SIZE;
+ if (bfd_link_pic (info))
+ htab->etab.srelplt->size += sizeof (Elf32_External_Rela);
}
else
- s->_raw_size += PLT_ENTRY_SIZE;
-
- if (! ((struct elf32_hppa_link_hash_entry *) h)->pic_call
- && WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info, h))
{
- /* We also need to make an entry in the .rela.plt section. */
- hplink->srelplt->_raw_size += sizeof (Elf32_External_Rela);
- hplink->need_plt_stub = 1;
+ /* No .plt entry needed. */
+ eh->plt.offset = (bfd_vma) -1;
+ eh->needs_plt = 0;
}
}
else
{
- h->plt.offset = (bfd_vma) -1;
- h->elf_link_hash_flags &= ~ELF_LINK_HASH_NEEDS_PLT;
- }
-
- if (h->got.refcount > 0)
- {
- boolean dyn;
-
- s = hplink->sgot;
- h->got.offset = s->_raw_size;
- s->_raw_size += GOT_ENTRY_SIZE;
- dyn = hplink->root.dynamic_sections_created;
- if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, h))
- hplink->srelgot->_raw_size += sizeof (Elf32_External_Rela);
+ eh->plt.offset = (bfd_vma) -1;
+ eh->needs_plt = 0;
}
- else
- h->got.offset = (bfd_vma) -1;
- return true;
+ return TRUE;
}
-#if ((! LONG_BRANCH_PIC_IN_SHLIB && LONG_BRANCH_VIA_PLT) \
- || RELATIVE_DYNAMIC_RELOCS)
-/* This function is called via elf_link_hash_traverse to discard space
- we allocated for relocs that it turned out we didn't need. */
+/* Allocate space in .plt, .got and associated reloc sections for
+ global syms. */
-static boolean
-hppa_discard_copies (h, inf)
- struct elf_link_hash_entry *h;
- PTR inf;
+static bfd_boolean
+allocate_dynrelocs (struct elf_link_hash_entry *eh, void *inf)
{
- struct elf32_hppa_dyn_reloc_entry *s;
- struct elf32_hppa_link_hash_entry *eh;
struct bfd_link_info *info;
+ struct elf32_hppa_link_hash_table *htab;
+ asection *sec;
+ struct elf32_hppa_link_hash_entry *hh;
+ struct elf32_hppa_dyn_reloc_entry *hdh_p;
- eh = (struct elf32_hppa_link_hash_entry *) h;
- info = (struct bfd_link_info *) inf;
+ if (eh->root.type == bfd_link_hash_indirect)
+ return TRUE;
-#if ! LONG_BRANCH_PIC_IN_SHLIB && LONG_BRANCH_VIA_PLT
- /* Handle the stub reloc case. If we have a plt entry for the
- function, we won't be needing long branch stubs. s->count will
- only be zero for stub relocs, which provides a handy way of
- flagging these relocs, and means we need do nothing special for
- the forced local and symbolic link case. */
- if (eh->stub_reloc_sec != NULL
- && eh->elf.plt.offset != (bfd_vma) -1)
+ info = inf;
+ htab = hppa_link_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
+ hh = hppa_elf_hash_entry (eh);
+
+ if (htab->etab.dynamic_sections_created
+ && eh->plt.offset != (bfd_vma) -1
+ && !hh->plabel
+ && eh->plt.refcount > 0)
{
- for (s = eh->reloc_entries; s != NULL; s = s->next)
- if (s->count == 0)
- s->section->_raw_size -= sizeof (Elf32_External_Rela);
+ /* Make an entry in the .plt section. */
+ sec = htab->etab.splt;
+ eh->plt.offset = sec->size;
+ sec->size += PLT_ENTRY_SIZE;
+
+ /* We also need to make an entry in the .rela.plt section. */
+ htab->etab.srelplt->size += sizeof (Elf32_External_Rela);
+ htab->need_plt_stub = 1;
}
-#endif
-#if RELATIVE_DYNAMIC_RELOCS
- /* If a symbol has been forced local or we have found a regular
- definition for the symbolic link case, then we won't be needing
- any relocs. */
- if (eh->elf.dynindx == -1
- || ((eh->elf.elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) != 0
- && !is_absolute_reloc (r_type)
- && info->symbolic))
+ if (eh->got.refcount > 0)
{
- for (s = eh->reloc_entries; s != NULL; s = s->next)
- s->section->_raw_size -= s->count * sizeof (Elf32_External_Rela);
+ if (!ensure_undef_weak_dynamic (info, eh))
+ return FALSE;
+
+ sec = htab->etab.sgot;
+ eh->got.offset = sec->size;
+ sec->size += GOT_ENTRY_SIZE;
+ /* R_PARISC_TLS_GD* needs two GOT entries */
+ if ((hh->tls_type & (GOT_TLS_GD | GOT_TLS_IE)) == (GOT_TLS_GD | GOT_TLS_IE))
+ sec->size += GOT_ENTRY_SIZE * 2;
+ else if ((hh->tls_type & GOT_TLS_GD) == GOT_TLS_GD)
+ sec->size += GOT_ENTRY_SIZE;
+ if (htab->etab.dynamic_sections_created
+ && (bfd_link_pic (info)
+ || (eh->dynindx != -1
+ && !eh->forced_local)))
+ {
+ htab->etab.srelgot->size += sizeof (Elf32_External_Rela);
+ if ((hh->tls_type & (GOT_TLS_GD | GOT_TLS_IE)) == (GOT_TLS_GD | GOT_TLS_IE))
+ htab->etab.srelgot->size += 2 * sizeof (Elf32_External_Rela);
+ else if ((hh->tls_type & GOT_TLS_GD) == GOT_TLS_GD)
+ htab->etab.srelgot->size += sizeof (Elf32_External_Rela);
+ }
}
+ else
+ eh->got.offset = (bfd_vma) -1;
+
+ if (hh->dyn_relocs == NULL)
+ return TRUE;
+
+ /* If this is a -Bsymbolic shared link, then we need to discard all
+ space allocated for dynamic pc-relative relocs against symbols
+ defined in a regular object. For the normal shared case, discard
+ space for relocs that have become local due to symbol visibility
+ changes. */
+ if (bfd_link_pic (info))
+ {
+#if RELATIVE_DYNRELOCS
+ if (SYMBOL_CALLS_LOCAL (info, eh))
+ {
+ struct elf32_hppa_dyn_reloc_entry **hdh_pp;
+
+ for (hdh_pp = &hh->dyn_relocs; (hdh_p = *hdh_pp) != NULL; )
+ {
+ hdh_p->count -= hdh_p->relative_count;
+ hdh_p->relative_count = 0;
+ if (hdh_p->count == 0)
+ *hdh_pp = hdh_p->hdh_next;
+ else
+ hdh_pp = &hdh_p->hdh_next;
+ }
+ }
#endif
- return true;
+ /* Also discard relocs on undefined weak syms with non-default
+ visibility. */
+ if (hh->dyn_relocs != NULL
+ && eh->root.type == bfd_link_hash_undefweak)
+ {
+ if (ELF_ST_VISIBILITY (eh->other) != STV_DEFAULT)
+ hh->dyn_relocs = NULL;
+
+ else if (!ensure_undef_weak_dynamic (info, eh))
+ return FALSE;
+ }
+ }
+ else
+ {
+ /* For the non-shared case, discard space for relocs against
+ symbols which turn out to need copy relocs or are not
+ dynamic. */
+
+ if (!eh->non_got_ref
+ && ((ELIMINATE_COPY_RELOCS
+ && eh->def_dynamic
+ && !eh->def_regular)
+ || (htab->etab.dynamic_sections_created
+ && (eh->root.type == bfd_link_hash_undefweak
+ || eh->root.type == bfd_link_hash_undefined))))
+ {
+ if (!ensure_undef_weak_dynamic (info, eh))
+ return FALSE;
+
+ /* If that succeeded, we know we'll be keeping all the
+ relocs. */
+ if (eh->dynindx != -1)
+ goto keep;
+ }
+
+ hh->dyn_relocs = NULL;
+ return TRUE;
+
+ keep: ;
+ }
+
+ /* Finally, allocate space. */
+ for (hdh_p = hh->dyn_relocs; hdh_p != NULL; hdh_p = hdh_p->hdh_next)
+ {
+ asection *sreloc = elf_section_data (hdh_p->sec)->sreloc;
+ sreloc->size += hdh_p->count * sizeof (Elf32_External_Rela);
+ }
+
+ return TRUE;
}
-#endif
/* This function is called via elf_link_hash_traverse to force
millicode symbols local so they do not end up as globals in the
for all dynamic symbols. Arguably, this is a bug in
elf_adjust_dynamic_symbol. */
-static boolean
-clobber_millicode_symbols (h, info)
- struct elf_link_hash_entry *h;
- struct bfd_link_info *info;
+static bfd_boolean
+clobber_millicode_symbols (struct elf_link_hash_entry *eh,
+ struct bfd_link_info *info)
+{
+ if (eh->type == STT_PARISC_MILLI
+ && !eh->forced_local)
+ {
+ elf32_hppa_hide_symbol (info, eh, TRUE);
+ }
+ return TRUE;
+}
+
+/* Find any dynamic relocs that apply to read-only sections. */
+
+static bfd_boolean
+readonly_dynrelocs (struct elf_link_hash_entry *eh, void *inf)
{
- /* We only want to remove these from the dynamic symbol table.
- Therefore we do not leave ELF_LINK_FORCED_LOCAL set. */
- if (h->type == STT_PARISC_MILLI)
+ struct elf32_hppa_link_hash_entry *hh;
+ struct elf32_hppa_dyn_reloc_entry *hdh_p;
+
+ hh = hppa_elf_hash_entry (eh);
+ for (hdh_p = hh->dyn_relocs; hdh_p != NULL; hdh_p = hdh_p->hdh_next)
{
- unsigned short oldflags = h->elf_link_hash_flags;
- h->elf_link_hash_flags |= ELF_LINK_FORCED_LOCAL;
- elf32_hppa_hide_symbol (info, h);
- h->elf_link_hash_flags &= ~ELF_LINK_FORCED_LOCAL;
- h->elf_link_hash_flags |= oldflags & ELF_LINK_FORCED_LOCAL;
+ asection *sec = hdh_p->sec->output_section;
+
+ if (sec != NULL && (sec->flags & SEC_READONLY) != 0)
+ {
+ struct bfd_link_info *info = inf;
+
+ info->flags |= DF_TEXTREL;
+
+ /* Not an error, just cut short the traversal. */
+ return FALSE;
+ }
}
- return true;
+ return TRUE;
}
/* Set the sizes of the dynamic sections. */
-static boolean
-elf32_hppa_size_dynamic_sections (output_bfd, info)
- bfd *output_bfd;
- struct bfd_link_info *info;
+static bfd_boolean
+elf32_hppa_size_dynamic_sections (bfd *output_bfd ATTRIBUTE_UNUSED,
+ struct bfd_link_info *info)
{
- struct elf32_hppa_link_hash_table *hplink;
+ struct elf32_hppa_link_hash_table *htab;
bfd *dynobj;
- asection *s;
- boolean relocs;
- boolean reltext;
+ bfd *ibfd;
+ asection *sec;
+ bfd_boolean relocs;
+
+ htab = hppa_link_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
- hplink = hppa_link_hash_table (info);
- dynobj = hplink->root.dynobj;
+ dynobj = htab->etab.dynobj;
if (dynobj == NULL)
abort ();
- if (hplink->root.dynamic_sections_created)
+ if (htab->etab.dynamic_sections_created)
{
- bfd *i;
-
/* Set the contents of the .interp section to the interpreter. */
- if (! info->shared)
+ if (bfd_link_executable (info) && !info->nointerp)
{
- s = bfd_get_section_by_name (dynobj, ".interp");
- if (s == NULL)
+ sec = bfd_get_linker_section (dynobj, ".interp");
+ if (sec == NULL)
abort ();
- s->_raw_size = sizeof ELF_DYNAMIC_INTERPRETER;
- s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
+ sec->size = sizeof ELF_DYNAMIC_INTERPRETER;
+ sec->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
}
/* Force millicode symbols local. */
- elf_link_hash_traverse (&hplink->root,
+ elf_link_hash_traverse (&htab->etab,
clobber_millicode_symbols,
info);
+ }
- /* Set up .got and .plt offsets for local syms. */
- for (i = info->input_bfds; i; i = i->link_next)
- {
- bfd_signed_vma *local_got;
- bfd_signed_vma *end_local_got;
- bfd_signed_vma *local_plt;
- bfd_signed_vma *end_local_plt;
- bfd_size_type locsymcount;
- Elf_Internal_Shdr *symtab_hdr;
- asection *srel;
+ /* Set up .got and .plt offsets for local syms, and space for local
+ dynamic relocs. */
+ for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
+ {
+ bfd_signed_vma *local_got;
+ bfd_signed_vma *end_local_got;
+ bfd_signed_vma *local_plt;
+ bfd_signed_vma *end_local_plt;
+ bfd_size_type locsymcount;
+ Elf_Internal_Shdr *symtab_hdr;
+ asection *srel;
+ char *local_tls_type;
- if (bfd_get_flavour (i) != bfd_target_elf_flavour)
- continue;
+ if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
+ continue;
- local_got = elf_local_got_refcounts (i);
- if (!local_got)
- continue;
+ for (sec = ibfd->sections; sec != NULL; sec = sec->next)
+ {
+ struct elf32_hppa_dyn_reloc_entry *hdh_p;
- symtab_hdr = &elf_tdata (i)->symtab_hdr;
- locsymcount = symtab_hdr->sh_info;
- end_local_got = local_got + locsymcount;
- s = hplink->sgot;
- srel = hplink->srelgot;
- for (; local_got < end_local_got; ++local_got)
+ for (hdh_p = ((struct elf32_hppa_dyn_reloc_entry *)
+ elf_section_data (sec)->local_dynrel);
+ hdh_p != NULL;
+ hdh_p = hdh_p->hdh_next)
{
- if (*local_got > 0)
+ if (!bfd_is_abs_section (hdh_p->sec)
+ && bfd_is_abs_section (hdh_p->sec->output_section))
{
- *local_got = s->_raw_size;
- s->_raw_size += GOT_ENTRY_SIZE;
- if (info->shared)
- srel->_raw_size += sizeof (Elf32_External_Rela);
+ /* Input section has been discarded, either because
+ it is a copy of a linkonce section or due to
+ linker script /DISCARD/, so we'll be discarding
+ the relocs too. */
+ }
+ else if (hdh_p->count != 0)
+ {
+ srel = elf_section_data (hdh_p->sec)->sreloc;
+ srel->size += hdh_p->count * sizeof (Elf32_External_Rela);
+ if ((hdh_p->sec->output_section->flags & SEC_READONLY) != 0)
+ info->flags |= DF_TEXTREL;
}
- else
- *local_got = (bfd_vma) -1;
}
+ }
- local_plt = end_local_got;
- end_local_plt = local_plt + locsymcount;
- s = hplink->splt;
- srel = hplink->srelplt;
+ local_got = elf_local_got_refcounts (ibfd);
+ if (!local_got)
+ continue;
+
+ symtab_hdr = &elf_tdata (ibfd)->symtab_hdr;
+ locsymcount = symtab_hdr->sh_info;
+ end_local_got = local_got + locsymcount;
+ local_tls_type = hppa_elf_local_got_tls_type (ibfd);
+ sec = htab->etab.sgot;
+ srel = htab->etab.srelgot;
+ for (; local_got < end_local_got; ++local_got)
+ {
+ if (*local_got > 0)
+ {
+ *local_got = sec->size;
+ sec->size += GOT_ENTRY_SIZE;
+ if ((*local_tls_type & (GOT_TLS_GD | GOT_TLS_IE)) == (GOT_TLS_GD | GOT_TLS_IE))
+ sec->size += 2 * GOT_ENTRY_SIZE;
+ else if ((*local_tls_type & GOT_TLS_GD) == GOT_TLS_GD)
+ sec->size += GOT_ENTRY_SIZE;
+ if (bfd_link_pic (info))
+ {
+ srel->size += sizeof (Elf32_External_Rela);
+ if ((*local_tls_type & (GOT_TLS_GD | GOT_TLS_IE)) == (GOT_TLS_GD | GOT_TLS_IE))
+ srel->size += 2 * sizeof (Elf32_External_Rela);
+ else if ((*local_tls_type & GOT_TLS_GD) == GOT_TLS_GD)
+ srel->size += sizeof (Elf32_External_Rela);
+ }
+ }
+ else
+ *local_got = (bfd_vma) -1;
+
+ ++local_tls_type;
+ }
+
+ local_plt = end_local_got;
+ end_local_plt = local_plt + locsymcount;
+ if (! htab->etab.dynamic_sections_created)
+ {
+ /* Won't be used, but be safe. */
+ for (; local_plt < end_local_plt; ++local_plt)
+ *local_plt = (bfd_vma) -1;
+ }
+ else
+ {
+ sec = htab->etab.splt;
+ srel = htab->etab.srelplt;
for (; local_plt < end_local_plt; ++local_plt)
{
if (*local_plt > 0)
{
- *local_plt = s->_raw_size;
- s->_raw_size += PLT_ENTRY_SIZE;
- if (info->shared)
- srel->_raw_size += sizeof (Elf32_External_Rela);
+ *local_plt = sec->size;
+ sec->size += PLT_ENTRY_SIZE;
+ if (bfd_link_pic (info))
+ srel->size += sizeof (Elf32_External_Rela);
}
else
*local_plt = (bfd_vma) -1;
}
}
}
- else
+
+ if (htab->tls_ldm_got.refcount > 0)
{
- /* Run through the function symbols, looking for any that are
- PIC, and allocate space for the necessary .plt entries so
- that %r19 will be set up. */
- if (! info->shared)
- elf_link_hash_traverse (&hplink->root,
- hppa_handle_PIC_calls,
- info);
+ /* Allocate 2 got entries and 1 dynamic reloc for
+ R_PARISC_TLS_DTPMOD32 relocs. */
+ htab->tls_ldm_got.offset = htab->etab.sgot->size;
+ htab->etab.sgot->size += (GOT_ENTRY_SIZE * 2);
+ htab->etab.srelgot->size += sizeof (Elf32_External_Rela);
}
+ else
+ htab->tls_ldm_got.offset = -1;
- /* Allocate global sym .plt and .got entries. */
- elf_link_hash_traverse (&hplink->root,
- allocate_plt_and_got,
- info);
+ /* Do all the .plt entries without relocs first. The dynamic linker
+ uses the last .plt reloc to find the end of the .plt (and hence
+ the start of the .got) for lazy linking. */
+ elf_link_hash_traverse (&htab->etab, allocate_plt_static, info);
-#if ((! LONG_BRANCH_PIC_IN_SHLIB && LONG_BRANCH_VIA_PLT) \
- || RELATIVE_DYNAMIC_RELOCS)
- /* If this is a -Bsymbolic shared link, then we need to discard all
- relocs against symbols defined in a regular object. We also need
- to lose relocs we've allocated for long branch stubs if we know
- we won't be generating a stub. */
- if (info->shared)
- elf_link_hash_traverse (&hplink->root,
- hppa_discard_copies,
- info);
-#endif
+ /* Allocate global sym .plt and .got entries, and space for global
+ sym dynamic relocs. */
+ elf_link_hash_traverse (&htab->etab, allocate_dynrelocs, info);
/* The check_relocs and adjust_dynamic_symbol entry points have
determined the sizes of the various dynamic sections. Allocate
memory for them. */
- relocs = false;
- reltext = false;
- for (s = dynobj->sections; s != NULL; s = s->next)
+ relocs = FALSE;
+ for (sec = dynobj->sections; sec != NULL; sec = sec->next)
{
- const char *name;
-
- if ((s->flags & SEC_LINKER_CREATED) == 0)
+ if ((sec->flags & SEC_LINKER_CREATED) == 0)
continue;
- /* It's OK to base decisions on the section name, because none
- of the dynobj section names depend upon the input files. */
- name = bfd_get_section_name (dynobj, s);
-
- if (strncmp (name, ".rela", 5) == 0)
- {
- if (s->_raw_size != 0)
- {
- asection *target;
- const char *outname;
-
- /* Remember whether there are any reloc sections other
- than .rela.plt. */
- if (strcmp (name+5, ".plt") != 0)
- relocs = true;
-
- /* If this relocation section applies to a read only
- section, then we probably need a DT_TEXTREL entry. */
- outname = bfd_get_section_name (output_bfd,
- s->output_section);
- target = bfd_get_section_by_name (output_bfd, outname + 5);
- if (target != NULL
- && (target->flags & SEC_READONLY) != 0
- && (target->flags & SEC_ALLOC) != 0)
- reltext = true;
-
- /* We use the reloc_count field as a counter if we need
- to copy relocs into the output file. */
- s->reloc_count = 0;
- }
- }
- else if (strcmp (name, ".plt") == 0)
+ if (sec == htab->etab.splt)
{
- if (hplink->need_plt_stub)
+ if (htab->need_plt_stub)
{
/* Make space for the plt stub at the end of the .plt
section. We want this stub right at the end, up
against the .got section. */
- int gotalign = bfd_section_alignment (dynobj, hplink->sgot);
- int pltalign = bfd_section_alignment (dynobj, s);
+ int gotalign = bfd_section_alignment (dynobj, htab->etab.sgot);
+ int pltalign = bfd_section_alignment (dynobj, sec);
bfd_size_type mask;
if (gotalign > pltalign)
- bfd_set_section_alignment (dynobj, s, gotalign);
+ (void) bfd_set_section_alignment (dynobj, sec, gotalign);
mask = ((bfd_size_type) 1 << gotalign) - 1;
- s->_raw_size = (s->_raw_size + sizeof (plt_stub) + mask) & ~mask;
+ sec->size = (sec->size + sizeof (plt_stub) + mask) & ~mask;
}
}
- else if (strcmp (name, ".got") == 0)
+ else if (sec == htab->etab.sgot
+ || sec == htab->etab.sdynbss
+ || sec == htab->etab.sdynrelro)
;
+ else if (CONST_STRNEQ (bfd_get_section_name (dynobj, sec), ".rela"))
+ {
+ if (sec->size != 0)
+ {
+ /* Remember whether there are any reloc sections other
+ than .rela.plt. */
+ if (sec != htab->etab.srelplt)
+ relocs = TRUE;
+
+ /* We use the reloc_count field as a counter if we need
+ to copy relocs into the output file. */
+ sec->reloc_count = 0;
+ }
+ }
else
{
/* It's not one of our sections, so don't allocate space. */
continue;
}
- if (s->_raw_size == 0)
+ if (sec->size == 0)
{
/* If we don't need this section, strip it from the
output file. This is mostly to handle .rela.bss and
adjust_dynamic_symbol is called, and it is that
function which decides whether anything needs to go
into these sections. */
- _bfd_strip_section_from_output (info, s);
+ sec->flags |= SEC_EXCLUDE;
continue;
}
+ if ((sec->flags & SEC_HAS_CONTENTS) == 0)
+ continue;
+
/* Allocate memory for the section contents. Zero it, because
we may not fill in all the reloc sections. */
- s->contents = (bfd_byte *) bfd_zalloc (dynobj, s->_raw_size);
- if (s->contents == NULL && s->_raw_size != 0)
- return false;
+ sec->contents = bfd_zalloc (dynobj, sec->size);
+ if (sec->contents == NULL)
+ return FALSE;
}
- if (hplink->root.dynamic_sections_created)
+ if (htab->etab.dynamic_sections_created)
{
/* Like IA-64 and HPPA64, always create a DT_PLTGOT. It
actually has nothing to do with the PLT, it is how we
communicate the LTP value of a load module to the dynamic
linker. */
- if (! bfd_elf32_add_dynamic_entry (info, DT_PLTGOT, 0))
- return false;
+#define add_dynamic_entry(TAG, VAL) \
+ _bfd_elf_add_dynamic_entry (info, TAG, VAL)
+
+ if (!add_dynamic_entry (DT_PLTGOT, 0))
+ return FALSE;
/* Add some entries to the .dynamic section. We fill in the
values later, in elf32_hppa_finish_dynamic_sections, but we
must add the entries now so that we get the correct size for
the .dynamic section. The DT_DEBUG entry is filled in by the
dynamic linker and used by the debugger. */
- if (! info->shared)
+ if (bfd_link_executable (info))
{
- if (! bfd_elf32_add_dynamic_entry (info, DT_DEBUG, 0))
- return false;
+ if (!add_dynamic_entry (DT_DEBUG, 0))
+ return FALSE;
}
- if (hplink->srelplt->_raw_size != 0)
+ if (htab->etab.srelplt->size != 0)
{
- if (! bfd_elf32_add_dynamic_entry (info, DT_PLTRELSZ, 0)
- || ! bfd_elf32_add_dynamic_entry (info, DT_PLTREL, DT_RELA)
- || ! bfd_elf32_add_dynamic_entry (info, DT_JMPREL, 0))
- return false;
+ if (!add_dynamic_entry (DT_PLTRELSZ, 0)
+ || !add_dynamic_entry (DT_PLTREL, DT_RELA)
+ || !add_dynamic_entry (DT_JMPREL, 0))
+ return FALSE;
}
if (relocs)
{
- if (! bfd_elf32_add_dynamic_entry (info, DT_RELA, 0)
- || ! bfd_elf32_add_dynamic_entry (info, DT_RELASZ, 0)
- || ! bfd_elf32_add_dynamic_entry (info, DT_RELAENT,
- sizeof (Elf32_External_Rela)))
- return false;
- }
+ if (!add_dynamic_entry (DT_RELA, 0)
+ || !add_dynamic_entry (DT_RELASZ, 0)
+ || !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
+ return FALSE;
- if (reltext)
- {
- if (! bfd_elf32_add_dynamic_entry (info, DT_TEXTREL, 0))
- return false;
- info->flags |= DF_TEXTREL;
+ /* If any dynamic relocs apply to a read-only section,
+ then we need a DT_TEXTREL entry. */
+ if ((info->flags & DF_TEXTREL) == 0)
+ elf_link_hash_traverse (&htab->etab, readonly_dynrelocs, info);
+
+ if ((info->flags & DF_TEXTREL) != 0)
+ {
+ if (!add_dynamic_entry (DT_TEXTREL, 0))
+ return FALSE;
+ }
}
}
+#undef add_dynamic_entry
- return true;
+ return TRUE;
}
/* External entry points for sizing and building linker stubs. */
-/* Determine and set the size of the stub section for a final link.
+/* Set up various things so that we can make a list of input sections
+ for each output section included in the link. Returns -1 on error,
+ 0 when no stubs will be needed, and 1 on success. */
- The basic idea here is to examine all the relocations looking for
- PC-relative calls to a target that is unreachable with a "bl"
- instruction. */
-
-boolean
-elf32_hppa_size_stubs (output_bfd, stub_bfd, info, multi_subspace, group_size,
- add_stub_section, layout_sections_again)
- bfd *output_bfd;
- bfd *stub_bfd;
- struct bfd_link_info *info;
- boolean multi_subspace;
- bfd_signed_vma group_size;
- asection * (*add_stub_section) PARAMS ((const char *, asection *));
- void (*layout_sections_again) PARAMS ((void));
+int
+elf32_hppa_setup_section_lists (bfd *output_bfd, struct bfd_link_info *info)
{
bfd *input_bfd;
+ unsigned int bfd_count;
+ unsigned int top_id, top_index;
asection *section;
asection **input_list, **list;
- Elf_Internal_Sym *local_syms, **all_local_syms;
- unsigned int bfd_indx, bfd_count;
- int top_id, top_index;
- struct elf32_hppa_link_hash_table *hplink;
- bfd_size_type stub_group_size;
- boolean stubs_always_before_branch;
- boolean stub_changed = 0;
- boolean ret = 0;
+ bfd_size_type amt;
+ struct elf32_hppa_link_hash_table *htab = hppa_link_hash_table (info);
- hplink = hppa_link_hash_table (info);
-
- /* Stash our params away. */
- hplink->stub_bfd = stub_bfd;
- hplink->multi_subspace = multi_subspace;
- hplink->add_stub_section = add_stub_section;
- hplink->layout_sections_again = layout_sections_again;
- stubs_always_before_branch = group_size < 0;
- if (group_size < 0)
- stub_group_size = -group_size;
- else
- stub_group_size = group_size;
- if (stub_group_size == 1)
- {
- /* Default values. */
- stub_group_size = 8000000;
- if (hplink->has_17bit_branch || hplink->multi_subspace)
- stub_group_size = 250000;
- if (hplink->has_12bit_branch)
- stub_group_size = 7812;
- }
+ if (htab == NULL)
+ return -1;
/* Count the number of input BFDs and find the top input section id. */
for (input_bfd = info->input_bfds, bfd_count = 0, top_id = 0;
input_bfd != NULL;
- input_bfd = input_bfd->link_next)
+ input_bfd = input_bfd->link.next)
{
bfd_count += 1;
for (section = input_bfd->sections;
top_id = section->id;
}
}
+ htab->bfd_count = bfd_count;
- hplink->stub_group
- = (struct map_stub *) bfd_zmalloc (sizeof (struct map_stub) * (top_id + 1));
- if (hplink->stub_group == NULL)
- return false;
-
- /* Make a list of input sections for each output section included in
- the link.
+ amt = sizeof (struct map_stub) * (top_id + 1);
+ htab->stub_group = bfd_zmalloc (amt);
+ if (htab->stub_group == NULL)
+ return -1;
- We can't use output_bfd->section_count here to find the top output
+ /* We can't use output_bfd->section_count here to find the top output
section index as some sections may have been removed, and
- _bfd_strip_section_from_output doesn't renumber the indices. */
+ strip_excluded_output_sections doesn't renumber the indices. */
for (section = output_bfd->sections, top_index = 0;
section != NULL;
section = section->next)
top_index = section->index;
}
- input_list
- = (asection **) bfd_malloc (sizeof (asection *) * (top_index + 1));
+ htab->top_index = top_index;
+ amt = sizeof (asection *) * (top_index + 1);
+ input_list = bfd_malloc (amt);
+ htab->input_list = input_list;
if (input_list == NULL)
- return false;
+ return -1;
/* For sections we aren't interested in, mark their entries with a
value we can check later. */
input_list[section->index] = NULL;
}
- /* Now actually build the lists. */
- for (input_bfd = info->input_bfds;
- input_bfd != NULL;
- input_bfd = input_bfd->link_next)
+ return 1;
+}
+
+/* The linker repeatedly calls this function for each input section,
+ in the order that input sections are linked into output sections.
+ Build lists of input sections to determine groupings between which
+ we may insert linker stubs. */
+
+void
+elf32_hppa_next_input_section (struct bfd_link_info *info, asection *isec)
+{
+ struct elf32_hppa_link_hash_table *htab = hppa_link_hash_table (info);
+
+ if (htab == NULL)
+ return;
+
+ if (isec->output_section->index <= htab->top_index)
{
- for (section = input_bfd->sections;
- section != NULL;
- section = section->next)
+ asection **list = htab->input_list + isec->output_section->index;
+ if (*list != bfd_abs_section_ptr)
{
- if (section->output_section != NULL
- && section->output_section->owner == output_bfd
- && section->output_section->index <= top_index)
- {
- list = input_list + section->output_section->index;
- if (*list != bfd_abs_section_ptr)
- {
- /* Steal the link_sec pointer for our list. */
-#define PREV_SEC(sec) (hplink->stub_group[(sec)->id].link_sec)
- /* This happens to make the list in reverse order,
- which is what we want. */
- PREV_SEC (section) = *list;
- *list = section;
- }
- }
+ /* Steal the link_sec pointer for our list. */
+#define PREV_SEC(sec) (htab->stub_group[(sec)->id].link_sec)
+ /* This happens to make the list in reverse order,
+ which is what we want. */
+ PREV_SEC (isec) = *list;
+ *list = isec;
}
}
+}
- /* See whether we can group stub sections together. Grouping stub
- sections may result in fewer stubs. More importantly, we need to
- put all .init* and .fini* stubs at the beginning of the .init or
- .fini output sections respectively, because glibc splits the
- _init and _fini functions into multiple parts. Putting a stub in
- the middle of a function is not a good idea. */
- list = input_list + top_index;
+/* See whether we can group stub sections together. Grouping stub
+ sections may result in fewer stubs. More importantly, we need to
+ put all .init* and .fini* stubs at the beginning of the .init or
+ .fini output sections respectively, because glibc splits the
+ _init and _fini functions into multiple parts. Putting a stub in
+ the middle of a function is not a good idea. */
+
+static void
+group_sections (struct elf32_hppa_link_hash_table *htab,
+ bfd_size_type stub_group_size,
+ bfd_boolean stubs_always_before_branch)
+{
+ asection **list = htab->input_list + htab->top_index;
do
{
asection *tail = *list;
asection *curr;
asection *prev;
bfd_size_type total;
+ bfd_boolean big_sec;
curr = tail;
- if (tail->_cooked_size)
- total = tail->_cooked_size;
- else
- total = tail->_raw_size;
+ total = tail->size;
+ big_sec = total >= stub_group_size;
+
while ((prev = PREV_SEC (curr)) != NULL
&& ((total += curr->output_offset - prev->output_offset)
< stub_group_size))
curr = prev;
/* OK, the size from the start of CURR to the end is less
- than 250000 bytes and thus can be handled by one stub
+ than 240000 bytes and thus can be handled by one stub
section. (or the tail section is itself larger than
- 250000 bytes, in which case we may be toast.)
+ 240000 bytes, in which case we may be toast.)
We should really be keeping track of the total size of
stubs added here, as stubs contribute to the final output
section size. That's a little tricky, and this way will
- only break if stubs added total more than 12144 bytes, or
- 1518 long branch stubs. It seems unlikely for more than
- 1518 different functions to be called, especially from
- code only 250000 bytes long. */
+ only break if stubs added total more than 22144 bytes, or
+ 2768 long branch stubs. It seems unlikely for more than
+ 2768 different functions to be called, especially from
+ code only 240000 bytes long. This limit used to be
+ 250000, but c++ code tends to generate lots of little
+ functions, and sometimes violated the assumption. */
do
{
prev = PREV_SEC (tail);
/* Set up this stub group. */
- hplink->stub_group[tail->id].link_sec = curr;
+ htab->stub_group[tail->id].link_sec = curr;
}
while (tail != curr && (tail = prev) != NULL);
- /* But wait, there's more! Input sections up to 250000
- bytes before the stub section can be handled by it too. */
- if (!stubs_always_before_branch)
+ /* But wait, there's more! Input sections up to 240000
+ bytes before the stub section can be handled by it too.
+ Don't do this if we have a really large section after the
+ stubs, as adding more stubs increases the chance that
+ branches may not reach into the stub section. */
+ if (!stubs_always_before_branch && !big_sec)
{
total = 0;
while (prev != NULL
{
tail = prev;
prev = PREV_SEC (tail);
- hplink->stub_group[tail->id].link_sec = curr;
+ htab->stub_group[tail->id].link_sec = curr;
}
}
tail = prev;
}
}
- while (list-- != input_list);
- free (input_list);
+ while (list-- != htab->input_list);
+ free (htab->input_list);
#undef PREV_SEC
+}
+
+/* Read in all local syms for all input bfds, and create hash entries
+ for export stubs if we are building a multi-subspace shared lib.
+ Returns -1 on error, 1 if export stubs created, 0 otherwise. */
+
+static int
+get_local_syms (bfd *output_bfd, bfd *input_bfd, struct bfd_link_info *info)
+{
+ unsigned int bfd_indx;
+ Elf_Internal_Sym *local_syms, **all_local_syms;
+ int stub_changed = 0;
+ struct elf32_hppa_link_hash_table *htab = hppa_link_hash_table (info);
+
+ if (htab == NULL)
+ return -1;
/* We want to read in symbol extension records only once. To do this
we need to read in the local symbols in parallel and save them for
later use; so hold pointers to the local symbols in an array. */
- all_local_syms
- = (Elf_Internal_Sym **) bfd_zmalloc (sizeof (Elf_Internal_Sym *)
- * bfd_count);
+ bfd_size_type amt = sizeof (Elf_Internal_Sym *) * htab->bfd_count;
+ all_local_syms = bfd_zmalloc (amt);
+ htab->all_local_syms = all_local_syms;
if (all_local_syms == NULL)
- return false;
+ return -1;
/* Walk over all the input BFDs, swapping in local symbols.
If we are creating a shared library, create hash entries for the
export stubs. */
- for (input_bfd = info->input_bfds, bfd_indx = 0;
+ for (bfd_indx = 0;
input_bfd != NULL;
- input_bfd = input_bfd->link_next, bfd_indx++)
+ input_bfd = input_bfd->link.next, bfd_indx++)
{
Elf_Internal_Shdr *symtab_hdr;
- Elf_Internal_Sym *isym;
- Elf32_External_Sym *ext_syms, *esym, *end_sy;
/* We'll need the symbol table in a second. */
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
if (symtab_hdr->sh_info == 0)
continue;
- /* We need an array of the local symbols attached to the input bfd.
- Unfortunately, we're going to have to read & swap them in. */
- local_syms = (Elf_Internal_Sym *)
- bfd_malloc (symtab_hdr->sh_info * sizeof (Elf_Internal_Sym));
+ /* We need an array of the local symbols attached to the input bfd. */
+ local_syms = (Elf_Internal_Sym *) symtab_hdr->contents;
if (local_syms == NULL)
{
- goto error_ret_free_local;
- }
- all_local_syms[bfd_indx] = local_syms;
- ext_syms = (Elf32_External_Sym *)
- bfd_malloc (symtab_hdr->sh_info * sizeof (Elf32_External_Sym));
- if (ext_syms == NULL)
- {
- goto error_ret_free_local;
- }
-
- if (bfd_seek (input_bfd, symtab_hdr->sh_offset, SEEK_SET) != 0
- || (bfd_read (ext_syms, 1,
- (symtab_hdr->sh_info * sizeof (Elf32_External_Sym)),
- input_bfd)
- != (symtab_hdr->sh_info * sizeof (Elf32_External_Sym))))
- {
- free (ext_syms);
- goto error_ret_free_local;
+ local_syms = bfd_elf_get_elf_syms (input_bfd, symtab_hdr,
+ symtab_hdr->sh_info, 0,
+ NULL, NULL, NULL);
+ /* Cache them for elf_link_input_bfd. */
+ symtab_hdr->contents = (unsigned char *) local_syms;
}
+ if (local_syms == NULL)
+ return -1;
- /* Swap the local symbols in. */
- isym = local_syms;
- esym = ext_syms;
- for (end_sy = esym + symtab_hdr->sh_info; esym < end_sy; esym++, isym++)
- bfd_elf32_swap_symbol_in (input_bfd, esym, isym);
-
- /* Now we can free the external symbols. */
- free (ext_syms);
-
-#if ! LONG_BRANCH_PIC_IN_SHLIB
- /* If this is a shared link, find all the stub reloc sections. */
- if (info->shared)
- for (section = input_bfd->sections;
- section != NULL;
- section = section->next)
- {
- char *name;
- asection *reloc_sec;
-
- name = bfd_malloc (strlen (section->name)
- + sizeof STUB_SUFFIX
- + 5);
- if (name == NULL)
- return false;
- sprintf (name, ".rela%s%s", section->name, STUB_SUFFIX);
- reloc_sec = bfd_get_section_by_name (hplink->root.dynobj, name);
- hplink->stub_group[section->id].reloc_sec = reloc_sec;
- free (name);
- }
-#endif
+ all_local_syms[bfd_indx] = local_syms;
- if (info->shared && hplink->multi_subspace)
+ if (bfd_link_pic (info) && htab->multi_subspace)
{
- struct elf_link_hash_entry **sym_hashes;
- struct elf_link_hash_entry **end_hashes;
+ struct elf_link_hash_entry **eh_syms;
+ struct elf_link_hash_entry **eh_symend;
unsigned int symcount;
symcount = (symtab_hdr->sh_size / sizeof (Elf32_External_Sym)
- symtab_hdr->sh_info);
- sym_hashes = elf_sym_hashes (input_bfd);
- end_hashes = sym_hashes + symcount;
+ eh_syms = (struct elf_link_hash_entry **) elf_sym_hashes (input_bfd);
+ eh_symend = (struct elf_link_hash_entry **) (eh_syms + symcount);
/* Look through the global syms for functions; We need to
build export stubs for all globally visible functions. */
- for (; sym_hashes < end_hashes; sym_hashes++)
+ for (; eh_syms < eh_symend; eh_syms++)
{
- struct elf32_hppa_link_hash_entry *hash;
+ struct elf32_hppa_link_hash_entry *hh;
- hash = (struct elf32_hppa_link_hash_entry *) *sym_hashes;
+ hh = hppa_elf_hash_entry (*eh_syms);
- while (hash->elf.root.type == bfd_link_hash_indirect
- || hash->elf.root.type == bfd_link_hash_warning)
- hash = ((struct elf32_hppa_link_hash_entry *)
- hash->elf.root.u.i.link);
+ while (hh->eh.root.type == bfd_link_hash_indirect
+ || hh->eh.root.type == bfd_link_hash_warning)
+ hh = hppa_elf_hash_entry (hh->eh.root.u.i.link);
/* At this point in the link, undefined syms have been
resolved, so we need to check that the symbol was
defined in this BFD. */
- if ((hash->elf.root.type == bfd_link_hash_defined
- || hash->elf.root.type == bfd_link_hash_defweak)
- && hash->elf.type == STT_FUNC
- && hash->elf.root.u.def.section->output_section != NULL
- && (hash->elf.root.u.def.section->output_section->owner
+ if ((hh->eh.root.type == bfd_link_hash_defined
+ || hh->eh.root.type == bfd_link_hash_defweak)
+ && hh->eh.type == STT_FUNC
+ && hh->eh.root.u.def.section->output_section != NULL
+ && (hh->eh.root.u.def.section->output_section->owner
== output_bfd)
- && hash->elf.root.u.def.section->owner == input_bfd
- && (hash->elf.elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR)
- && !(hash->elf.elf_link_hash_flags & ELF_LINK_FORCED_LOCAL)
- && ELF_ST_VISIBILITY (hash->elf.other) == STV_DEFAULT)
+ && hh->eh.root.u.def.section->owner == input_bfd
+ && hh->eh.def_regular
+ && !hh->eh.forced_local
+ && ELF_ST_VISIBILITY (hh->eh.other) == STV_DEFAULT)
{
asection *sec;
const char *stub_name;
- struct elf32_hppa_stub_hash_entry *stub_entry;
+ struct elf32_hppa_stub_hash_entry *hsh;
- sec = hash->elf.root.u.def.section;
- stub_name = hash->elf.root.root.string;
- stub_entry = hppa_stub_hash_lookup (&hplink->stub_hash_table,
+ sec = hh->eh.root.u.def.section;
+ stub_name = hh_name (hh);
+ hsh = hppa_stub_hash_lookup (&htab->bstab,
stub_name,
- false, false);
- if (stub_entry == NULL)
+ FALSE, FALSE);
+ if (hsh == NULL)
{
- stub_entry = hppa_add_stub (stub_name, sec, hplink);
- if (!stub_entry)
- goto error_ret_free_local;
-
- stub_entry->target_value = hash->elf.root.u.def.value;
- stub_entry->target_section = hash->elf.root.u.def.section;
- stub_entry->stub_type = hppa_stub_export;
- stub_entry->h = hash;
+ hsh = hppa_add_stub (stub_name, sec, htab);
+ if (!hsh)
+ return -1;
+
+ hsh->target_value = hh->eh.root.u.def.value;
+ hsh->target_section = hh->eh.root.u.def.section;
+ hsh->stub_type = hppa_stub_export;
+ hsh->hh = hh;
stub_changed = 1;
}
else
{
- (*_bfd_error_handler) (_("%s: duplicate export stub %s"),
- bfd_get_filename (input_bfd),
- stub_name);
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%B: duplicate export stub %s"),
+ input_bfd, stub_name);
}
}
}
}
}
+ return stub_changed;
+}
+
+/* Determine and set the size of the stub section for a final link.
+
+ The basic idea here is to examine all the relocations looking for
+ PC-relative calls to a target that is unreachable with a "bl"
+ instruction. */
+
+bfd_boolean
+elf32_hppa_size_stubs
+ (bfd *output_bfd, bfd *stub_bfd, struct bfd_link_info *info,
+ bfd_boolean multi_subspace, bfd_signed_vma group_size,
+ asection * (*add_stub_section) (const char *, asection *),
+ void (*layout_sections_again) (void))
+{
+ bfd_size_type stub_group_size;
+ bfd_boolean stubs_always_before_branch;
+ bfd_boolean stub_changed;
+ struct elf32_hppa_link_hash_table *htab = hppa_link_hash_table (info);
+
+ if (htab == NULL)
+ return FALSE;
+
+ /* Stash our params away. */
+ htab->stub_bfd = stub_bfd;
+ htab->multi_subspace = multi_subspace;
+ htab->add_stub_section = add_stub_section;
+ htab->layout_sections_again = layout_sections_again;
+ stubs_always_before_branch = group_size < 0;
+ if (group_size < 0)
+ stub_group_size = -group_size;
+ else
+ stub_group_size = group_size;
+ if (stub_group_size == 1)
+ {
+ /* Default values. */
+ if (stubs_always_before_branch)
+ {
+ stub_group_size = 7680000;
+ if (htab->has_17bit_branch || htab->multi_subspace)
+ stub_group_size = 240000;
+ if (htab->has_12bit_branch)
+ stub_group_size = 7500;
+ }
+ else
+ {
+ stub_group_size = 6971392;
+ if (htab->has_17bit_branch || htab->multi_subspace)
+ stub_group_size = 217856;
+ if (htab->has_12bit_branch)
+ stub_group_size = 6808;
+ }
+ }
+
+ group_sections (htab, stub_group_size, stubs_always_before_branch);
+
+ switch (get_local_syms (output_bfd, info->input_bfds, info))
+ {
+ default:
+ if (htab->all_local_syms)
+ goto error_ret_free_local;
+ return FALSE;
+
+ case 0:
+ stub_changed = FALSE;
+ break;
+
+ case 1:
+ stub_changed = TRUE;
+ break;
+ }
+
while (1)
{
+ bfd *input_bfd;
+ unsigned int bfd_indx;
asection *stub_sec;
for (input_bfd = info->input_bfds, bfd_indx = 0;
input_bfd != NULL;
- input_bfd = input_bfd->link_next, bfd_indx++)
+ input_bfd = input_bfd->link.next, bfd_indx++)
{
Elf_Internal_Shdr *symtab_hdr;
+ asection *section;
+ Elf_Internal_Sym *local_syms;
/* We'll need the symbol table in a second. */
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
if (symtab_hdr->sh_info == 0)
continue;
- local_syms = all_local_syms[bfd_indx];
+ local_syms = htab->all_local_syms[bfd_indx];
/* Walk over each section attached to the input bfd. */
for (section = input_bfd->sections;
section != NULL;
section = section->next)
{
- Elf_Internal_Shdr *input_rel_hdr;
- Elf32_External_Rela *external_relocs, *erelaend, *erela;
Elf_Internal_Rela *internal_relocs, *irelaend, *irela;
/* If there aren't any relocs, then there's nothing more
|| section->output_section->owner != output_bfd)
continue;
- /* Allocate space for the external relocations. */
- external_relocs
- = ((Elf32_External_Rela *)
- bfd_malloc (section->reloc_count
- * sizeof (Elf32_External_Rela)));
- if (external_relocs == NULL)
- {
- goto error_ret_free_local;
- }
-
- /* Likewise for the internal relocations. */
- internal_relocs = ((Elf_Internal_Rela *)
- bfd_malloc (section->reloc_count
- * sizeof (Elf_Internal_Rela)));
+ /* Get the relocs. */
+ internal_relocs
+ = _bfd_elf_link_read_relocs (input_bfd, section, NULL, NULL,
+ info->keep_memory);
if (internal_relocs == NULL)
- {
- free (external_relocs);
- goto error_ret_free_local;
- }
-
- /* Read in the external relocs. */
- input_rel_hdr = &elf_section_data (section)->rel_hdr;
- if (bfd_seek (input_bfd, input_rel_hdr->sh_offset, SEEK_SET) != 0
- || bfd_read (external_relocs, 1,
- input_rel_hdr->sh_size,
- input_bfd) != input_rel_hdr->sh_size)
- {
- free (external_relocs);
- error_ret_free_internal:
- free (internal_relocs);
- goto error_ret_free_local;
- }
-
- /* Swap in the relocs. */
- erela = external_relocs;
- erelaend = erela + section->reloc_count;
- irela = internal_relocs;
- for (; erela < erelaend; erela++, irela++)
- bfd_elf32_swap_reloca_in (input_bfd, erela, irela);
-
- /* We're done with the external relocs, free them. */
- free (external_relocs);
+ goto error_ret_free_local;
/* Now examine each relocation. */
irela = internal_relocs;
{
unsigned int r_type, r_indx;
enum elf32_hppa_stub_type stub_type;
- struct elf32_hppa_stub_hash_entry *stub_entry;
+ struct elf32_hppa_stub_hash_entry *hsh;
asection *sym_sec;
bfd_vma sym_value;
bfd_vma destination;
- struct elf32_hppa_link_hash_entry *hash;
+ struct elf32_hppa_link_hash_entry *hh;
char *stub_name;
const asection *id_sec;
if (r_type >= (unsigned int) R_PARISC_UNIMPLEMENTED)
{
bfd_set_error (bfd_error_bad_value);
- goto error_ret_free_internal;
+ error_ret_free_internal:
+ if (elf_section_data (section)->relocs == NULL)
+ free (internal_relocs);
+ goto error_ret_free_local;
}
/* Only look for stubs on call instructions. */
sym_sec = NULL;
sym_value = 0;
destination = 0;
- hash = NULL;
+ hh = NULL;
if (r_indx < symtab_hdr->sh_info)
{
/* It's a local symbol. */
Elf_Internal_Sym *sym;
Elf_Internal_Shdr *hdr;
+ unsigned int shndx;
sym = local_syms + r_indx;
- hdr = elf_elfsections (input_bfd)[sym->st_shndx];
- sym_sec = hdr->bfd_section;
if (ELF_ST_TYPE (sym->st_info) != STT_SECTION)
sym_value = sym->st_value;
- destination = (sym_value + irela->r_addend
- + sym_sec->output_offset
- + sym_sec->output_section->vma);
+ shndx = sym->st_shndx;
+ if (shndx < elf_numsections (input_bfd))
+ {
+ hdr = elf_elfsections (input_bfd)[shndx];
+ sym_sec = hdr->bfd_section;
+ destination = (sym_value + irela->r_addend
+ + sym_sec->output_offset
+ + sym_sec->output_section->vma);
+ }
}
else
{
int e_indx;
e_indx = r_indx - symtab_hdr->sh_info;
- hash = ((struct elf32_hppa_link_hash_entry *)
- elf_sym_hashes (input_bfd)[e_indx]);
+ hh = hppa_elf_hash_entry (elf_sym_hashes (input_bfd)[e_indx]);
- while (hash->elf.root.type == bfd_link_hash_indirect
- || hash->elf.root.type == bfd_link_hash_warning)
- hash = ((struct elf32_hppa_link_hash_entry *)
- hash->elf.root.u.i.link);
+ while (hh->eh.root.type == bfd_link_hash_indirect
+ || hh->eh.root.type == bfd_link_hash_warning)
+ hh = hppa_elf_hash_entry (hh->eh.root.u.i.link);
- if (hash->elf.root.type == bfd_link_hash_defined
- || hash->elf.root.type == bfd_link_hash_defweak)
+ if (hh->eh.root.type == bfd_link_hash_defined
+ || hh->eh.root.type == bfd_link_hash_defweak)
{
- sym_sec = hash->elf.root.u.def.section;
- sym_value = hash->elf.root.u.def.value;
+ sym_sec = hh->eh.root.u.def.section;
+ sym_value = hh->eh.root.u.def.value;
if (sym_sec->output_section != NULL)
destination = (sym_value + irela->r_addend
+ sym_sec->output_offset
+ sym_sec->output_section->vma);
}
- else if (hash->elf.root.type == bfd_link_hash_undefweak)
+ else if (hh->eh.root.type == bfd_link_hash_undefweak)
{
- if (! info->shared)
+ if (! bfd_link_pic (info))
continue;
}
- else if (hash->elf.root.type == bfd_link_hash_undefined)
+ else if (hh->eh.root.type == bfd_link_hash_undefined)
{
- if (! (info->shared
- && !info->no_undefined
- && (ELF_ST_VISIBILITY (hash->elf.other)
- == STV_DEFAULT)))
+ if (! (info->unresolved_syms_in_objects == RM_IGNORE
+ && (ELF_ST_VISIBILITY (hh->eh.other)
+ == STV_DEFAULT)
+ && hh->eh.type != STT_PARISC_MILLI))
continue;
}
else
}
/* Determine what (if any) linker stub is needed. */
- stub_type = hppa_type_of_stub (section, irela, hash,
- destination);
+ stub_type = hppa_type_of_stub (section, irela, hh,
+ destination, info);
if (stub_type == hppa_stub_none)
continue;
/* Support for grouping stub sections. */
- id_sec = hplink->stub_group[section->id].link_sec;
+ id_sec = htab->stub_group[section->id].link_sec;
/* Get the name of this stub. */
- stub_name = hppa_stub_name (id_sec, sym_sec, hash, irela);
+ stub_name = hppa_stub_name (id_sec, sym_sec, hh, irela);
if (!stub_name)
goto error_ret_free_internal;
- stub_entry = hppa_stub_hash_lookup (&hplink->stub_hash_table,
+ hsh = hppa_stub_hash_lookup (&htab->bstab,
stub_name,
- false, false);
- if (stub_entry != NULL)
+ FALSE, FALSE);
+ if (hsh != NULL)
{
/* The proper stub has already been created. */
free (stub_name);
continue;
}
- stub_entry = hppa_add_stub (stub_name, section, hplink);
- if (stub_entry == NULL)
+ hsh = hppa_add_stub (stub_name, section, htab);
+ if (hsh == NULL)
{
free (stub_name);
- goto error_ret_free_local;
+ goto error_ret_free_internal;
}
- stub_entry->target_value = sym_value;
- stub_entry->target_section = sym_sec;
- stub_entry->stub_type = stub_type;
- if (info->shared)
+ hsh->target_value = sym_value;
+ hsh->target_section = sym_sec;
+ hsh->stub_type = stub_type;
+ if (bfd_link_pic (info))
{
if (stub_type == hppa_stub_import)
- stub_entry->stub_type = hppa_stub_import_shared;
- else if (stub_type == hppa_stub_long_branch
- && (LONG_BRANCH_PIC_IN_SHLIB || hash == NULL))
- stub_entry->stub_type = hppa_stub_long_branch_shared;
+ hsh->stub_type = hppa_stub_import_shared;
+ else if (stub_type == hppa_stub_long_branch)
+ hsh->stub_type = hppa_stub_long_branch_shared;
}
- stub_entry->h = hash;
- stub_changed = 1;
+ hsh->hh = hh;
+ stub_changed = TRUE;
}
/* We're done with the internal relocs, free them. */
- free (internal_relocs);
+ if (elf_section_data (section)->relocs == NULL)
+ free (internal_relocs);
}
}
if (!stub_changed)
break;
- /* OK, we've added some stubs. Find out the new size of the
- stub sections. */
- for (stub_sec = hplink->stub_bfd->sections;
- stub_sec != NULL;
- stub_sec = stub_sec->next)
- {
- stub_sec->_raw_size = 0;
- stub_sec->_cooked_size = 0;
- }
-#if ! LONG_BRANCH_PIC_IN_SHLIB
- {
- int i;
-
- for (i = top_id; i >= 0; --i)
- {
- /* This will probably hit the same section many times.. */
- stub_sec = hplink->stub_group[i].reloc_sec;
- if (stub_sec != NULL)
- {
- stub_sec->_raw_size = 0;
- stub_sec->_cooked_size = 0;
- }
- }
- }
-#endif
-
- bfd_hash_traverse (&hplink->stub_hash_table,
- hppa_size_one_stub,
- hplink);
+ /* OK, we've added some stubs. Find out the new size of the
+ stub sections. */
+ for (stub_sec = htab->stub_bfd->sections;
+ stub_sec != NULL;
+ stub_sec = stub_sec->next)
+ if ((stub_sec->flags & SEC_LINKER_CREATED) == 0)
+ stub_sec->size = 0;
+
+ bfd_hash_traverse (&htab->bstab, hppa_size_one_stub, htab);
/* Ask the linker to do its stuff. */
- (*hplink->layout_sections_again) ();
- stub_changed = 0;
+ (*htab->layout_sections_again) ();
+ stub_changed = FALSE;
}
- ret = 1;
+ free (htab->all_local_syms);
+ return TRUE;
error_ret_free_local:
- while (bfd_count-- > 0)
- if (all_local_syms[bfd_count])
- free (all_local_syms[bfd_count]);
- free (all_local_syms);
-
- return ret;
+ free (htab->all_local_syms);
+ return FALSE;
}
/* For a final link, this function is called after we have sized the
stubs to provide a value for __gp. */
-boolean
-elf32_hppa_set_gp (abfd, info)
- bfd *abfd;
- struct bfd_link_info *info;
+bfd_boolean
+elf32_hppa_set_gp (bfd *abfd, struct bfd_link_info *info)
{
- struct elf32_hppa_link_hash_table *hplink;
- struct elf_link_hash_entry *h;
- asection *sec;
- bfd_vma gp_val;
+ struct bfd_link_hash_entry *h;
+ asection *sec = NULL;
+ bfd_vma gp_val = 0;
+ struct elf32_hppa_link_hash_table *htab;
+
+ htab = hppa_link_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
- hplink = hppa_link_hash_table (info);
- h = elf_link_hash_lookup (&hplink->root, "$global$",
- false, false, false);
+ h = bfd_link_hash_lookup (&htab->etab.root, "$global$", FALSE, FALSE, FALSE);
if (h != NULL
- && (h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak))
+ && (h->type == bfd_link_hash_defined
+ || h->type == bfd_link_hash_defweak))
{
- gp_val = h->root.u.def.value;
- sec = h->root.u.def.section;
+ gp_val = h->u.def.value;
+ sec = h->u.def.section;
}
else
{
+ asection *splt = bfd_get_section_by_name (abfd, ".plt");
+ asection *sgot = bfd_get_section_by_name (abfd, ".got");
+
/* Choose to point our LTP at, in this order, one of .plt, .got,
or .data, if these sections exist. In the case of choosing
.plt try to make the LTP ideal for addressing anywhere in the
if either the .plt or .got is larger than 0x2000. If both
the .plt and .got are smaller than 0x2000, choose the end of
the .plt section. */
-
- sec = hplink->splt;
+ sec = strcmp (bfd_get_target (abfd), "elf32-hppa-netbsd") == 0
+ ? NULL : splt;
if (sec != NULL)
{
- gp_val = sec->_raw_size;
- if (gp_val > 0x2000
- || (hplink->sgot && hplink->sgot->_raw_size > 0x2000))
+ gp_val = sec->size;
+ if (gp_val > 0x2000 || (sgot && sgot->size > 0x2000))
{
gp_val = 0x2000;
}
}
else
{
- gp_val = 0;
- sec = hplink->sgot;
+ sec = sgot;
if (sec != NULL)
{
- /* We know we don't have a .plt. If .got is large,
- offset our LTP. */
- if (sec->_raw_size > 0x2000)
- gp_val = 0x2000;
+ if (strcmp (bfd_get_target (abfd), "elf32-hppa-netbsd") != 0)
+ {
+ /* We know we don't have a .plt. If .got is large,
+ offset our LTP. */
+ if (sec->size > 0x2000)
+ gp_val = 0x2000;
+ }
}
else
{
if (h != NULL)
{
- h->root.type = bfd_link_hash_defined;
- h->root.u.def.value = gp_val;
+ h->type = bfd_link_hash_defined;
+ h->u.def.value = gp_val;
if (sec != NULL)
- h->root.u.def.section = sec;
+ h->u.def.section = sec;
else
- h->root.u.def.section = bfd_abs_section_ptr;
+ h->u.def.section = bfd_abs_section_ptr;
}
}
gp_val += sec->output_section->vma + sec->output_offset;
elf_gp (abfd) = gp_val;
- return true;
+ return TRUE;
}
/* Build all the stubs associated with the current output file. The
functions here. This function is called via hppaelf_finish in the
linker. */
-boolean
-elf32_hppa_build_stubs (info)
- struct bfd_link_info *info;
+bfd_boolean
+elf32_hppa_build_stubs (struct bfd_link_info *info)
{
asection *stub_sec;
struct bfd_hash_table *table;
- struct elf32_hppa_link_hash_table *hplink;
+ struct elf32_hppa_link_hash_table *htab;
- hplink = hppa_link_hash_table (info);
+ htab = hppa_link_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
- for (stub_sec = hplink->stub_bfd->sections;
+ for (stub_sec = htab->stub_bfd->sections;
stub_sec != NULL;
stub_sec = stub_sec->next)
- {
- size_t size;
-
- /* Allocate memory to hold the linker stubs. */
- size = stub_sec->_raw_size;
- stub_sec->contents = (unsigned char *) bfd_zalloc (hplink->stub_bfd,
- size);
- if (stub_sec->contents == NULL && size != 0)
- return false;
- stub_sec->_raw_size = 0;
- }
+ if ((stub_sec->flags & SEC_LINKER_CREATED) == 0
+ && stub_sec->size != 0)
+ {
+ /* Allocate memory to hold the linker stubs. */
+ stub_sec->contents = bfd_zalloc (htab->stub_bfd, stub_sec->size);
+ if (stub_sec->contents == NULL)
+ return FALSE;
+ stub_sec->size = 0;
+ }
/* Build the stubs as directed by the stub hash table. */
- table = &hplink->stub_hash_table;
+ table = &htab->bstab;
bfd_hash_traverse (table, hppa_build_one_stub, info);
- return true;
+ return TRUE;
}
-/* Perform a final link. */
+/* Return the base vma address which should be subtracted from the real
+ address when resolving a dtpoff relocation.
+ This is PT_TLS segment p_vaddr. */
-static boolean
-elf32_hppa_final_link (abfd, info)
- bfd *abfd;
- struct bfd_link_info *info;
+static bfd_vma
+dtpoff_base (struct bfd_link_info *info)
{
- asection *s;
+ /* If tls_sec is NULL, we should have signalled an error already. */
+ if (elf_hash_table (info)->tls_sec == NULL)
+ return 0;
+ return elf_hash_table (info)->tls_sec->vma;
+}
- /* Invoke the regular ELF linker to do all the work. */
- if (!bfd_elf32_bfd_final_link (abfd, info))
- return false;
+/* Return the relocation value for R_PARISC_TLS_TPOFF*.. */
- /* If we're producing a final executable, sort the contents of the
- unwind section. Magic section names, but this is much safer than
- having elf32_hppa_relocate_section remember where SEGREL32 relocs
- occurred. Consider what happens if someone inept creates a
- linker script that puts unwind information in .text. */
- s = bfd_get_section_by_name (abfd, ".PARISC.unwind");
- if (s != NULL)
- {
- bfd_size_type size;
- char *contents;
+static bfd_vma
+tpoff (struct bfd_link_info *info, bfd_vma address)
+{
+ struct elf_link_hash_table *htab = elf_hash_table (info);
+
+ /* If tls_sec is NULL, we should have signalled an error already. */
+ if (htab->tls_sec == NULL)
+ return 0;
+ /* hppa TLS ABI is variant I and static TLS block start just after
+ tcbhead structure which has 2 pointer fields. */
+ return (address - htab->tls_sec->vma
+ + align_power ((bfd_vma) 8, htab->tls_sec->alignment_power));
+}
- size = s->_raw_size;
- contents = bfd_malloc (size);
- if (contents == NULL)
- return false;
+/* Perform a final link. */
- if (! bfd_get_section_contents (abfd, s, contents, (file_ptr) 0, size))
- return false;
+static bfd_boolean
+elf32_hppa_final_link (bfd *abfd, struct bfd_link_info *info)
+{
+ struct stat buf;
- qsort (contents, size / 16, 16, hppa_unwind_entry_compare);
+ /* Invoke the regular ELF linker to do all the work. */
+ if (!bfd_elf_final_link (abfd, info))
+ return FALSE;
- if (! bfd_set_section_contents (abfd, s, contents, (file_ptr) 0, size))
- return false;
- }
- return true;
+ /* If we're producing a final executable, sort the contents of the
+ unwind section. */
+ if (bfd_link_relocatable (info))
+ return TRUE;
+
+ /* Do not attempt to sort non-regular files. This is here
+ especially for configure scripts and kernel builds which run
+ tests with "ld [...] -o /dev/null". */
+ if (stat (abfd->filename, &buf) != 0
+ || !S_ISREG(buf.st_mode))
+ return TRUE;
+
+ return elf_hppa_sort_unwind (abfd);
}
/* Record the lowest address for the data and text segments. */
static void
-hppa_record_segment_addr (abfd, section, data)
- bfd *abfd ATTRIBUTE_UNUSED;
- asection *section;
- PTR data;
+hppa_record_segment_addr (bfd *abfd, asection *section, void *data)
{
- struct elf32_hppa_link_hash_table *hplink;
+ struct elf32_hppa_link_hash_table *htab;
- hplink = (struct elf32_hppa_link_hash_table *) data;
+ htab = (struct elf32_hppa_link_hash_table*) data;
+ if (htab == NULL)
+ return;
if ((section->flags & (SEC_ALLOC | SEC_LOAD)) == (SEC_ALLOC | SEC_LOAD))
{
- bfd_vma value = section->vma - section->filepos;
+ bfd_vma value;
+ Elf_Internal_Phdr *p;
+
+ p = _bfd_elf_find_segment_containing_section (abfd, section->output_section);
+ BFD_ASSERT (p != NULL);
+ value = p->p_vaddr;
if ((section->flags & SEC_READONLY) != 0)
{
- if (value < hplink->text_segment_base)
- hplink->text_segment_base = value;
+ if (value < htab->text_segment_base)
+ htab->text_segment_base = value;
}
else
{
- if (value < hplink->data_segment_base)
- hplink->data_segment_base = value;
+ if (value < htab->data_segment_base)
+ htab->data_segment_base = value;
}
}
}
/* Perform a relocation as part of a final link. */
static bfd_reloc_status_type
-final_link_relocate (input_section, contents, rel, value, hplink, sym_sec, h)
- asection *input_section;
- bfd_byte *contents;
- const Elf_Internal_Rela *rel;
- bfd_vma value;
- struct elf32_hppa_link_hash_table *hplink;
- asection *sym_sec;
- struct elf32_hppa_link_hash_entry *h;
+final_link_relocate (asection *input_section,
+ bfd_byte *contents,
+ const Elf_Internal_Rela *rela,
+ bfd_vma value,
+ struct elf32_hppa_link_hash_table *htab,
+ asection *sym_sec,
+ struct elf32_hppa_link_hash_entry *hh,
+ struct bfd_link_info *info)
{
int insn;
- unsigned int r_type = ELF32_R_TYPE (rel->r_info);
+ unsigned int r_type = ELF32_R_TYPE (rela->r_info);
+ unsigned int orig_r_type = r_type;
reloc_howto_type *howto = elf_hppa_howto_table + r_type;
int r_format = howto->bitsize;
enum hppa_reloc_field_selector_type_alt r_field;
bfd *input_bfd = input_section->owner;
- bfd_vma offset = rel->r_offset;
+ bfd_vma offset = rela->r_offset;
bfd_vma max_branch_offset = 0;
bfd_byte *hit_data = contents + offset;
- bfd_signed_vma addend = rel->r_addend;
+ bfd_signed_vma addend = rela->r_addend;
bfd_vma location;
- struct elf32_hppa_stub_hash_entry *stub_entry = NULL;
+ struct elf32_hppa_stub_hash_entry *hsh = NULL;
int val;
if (r_type == R_PARISC_NONE)
input_section->output_offset +
input_section->output_section->vma);
+ /* If we are not building a shared library, convert DLTIND relocs to
+ DPREL relocs. */
+ if (!bfd_link_pic (info))
+ {
+ switch (r_type)
+ {
+ case R_PARISC_DLTIND21L:
+ case R_PARISC_TLS_GD21L:
+ case R_PARISC_TLS_LDM21L:
+ case R_PARISC_TLS_IE21L:
+ r_type = R_PARISC_DPREL21L;
+ break;
+
+ case R_PARISC_DLTIND14R:
+ case R_PARISC_TLS_GD14R:
+ case R_PARISC_TLS_LDM14R:
+ case R_PARISC_TLS_IE14R:
+ r_type = R_PARISC_DPREL14R;
+ break;
+
+ case R_PARISC_DLTIND14F:
+ r_type = R_PARISC_DPREL14F;
+ break;
+ }
+ }
+
switch (r_type)
{
case R_PARISC_PCREL12F:
case R_PARISC_PCREL17F:
case R_PARISC_PCREL22F:
- /* If this is a call to a function defined in another dynamic
- library, or if it is a call to a PIC function in the same
- object, or if this is a shared link and it is a call to a
- weak symbol which may or may not be in the same object, then
- find the import stub in the stub hash. */
+ /* If this call should go via the plt, find the import stub in
+ the stub hash. */
if (sym_sec == NULL
|| sym_sec->output_section == NULL
- || (h != NULL
- && ((h->maybe_pic_call
- && !(input_section->flags & SEC_HAS_GOT_REF))
- || (h->elf.root.type == bfd_link_hash_defweak
- && h->elf.dynindx != -1
- && h->elf.plt.offset != (bfd_vma) -1))))
+ || (hh != NULL
+ && hh->eh.plt.offset != (bfd_vma) -1
+ && hh->eh.dynindx != -1
+ && !hh->plabel
+ && (bfd_link_pic (info)
+ || !hh->eh.def_regular
+ || hh->eh.root.type == bfd_link_hash_defweak)))
{
- stub_entry = hppa_get_stub_entry (input_section, sym_sec,
- h, rel, hplink);
- if (stub_entry != NULL)
+ hsh = hppa_get_stub_entry (input_section, sym_sec,
+ hh, rela, htab);
+ if (hsh != NULL)
{
- value = (stub_entry->stub_offset
- + stub_entry->stub_sec->output_offset
- + stub_entry->stub_sec->output_section->vma);
+ value = (hsh->stub_offset
+ + hsh->stub_sec->output_offset
+ + hsh->stub_sec->output_section->vma);
addend = 0;
}
- else if (sym_sec == NULL && h != NULL
- && h->elf.root.type == bfd_link_hash_undefweak)
+ else if (sym_sec == NULL && hh != NULL
+ && hh->eh.root.type == bfd_link_hash_undefweak)
{
/* It's OK if undefined weak. Calls to undefined weak
symbols behave as if the "called" function
addend = 8;
}
else
- return bfd_reloc_notsupported;
+ return bfd_reloc_undefined;
}
/* Fall thru. */
case R_PARISC_PCREL17R:
case R_PARISC_PCREL14R:
case R_PARISC_PCREL14F:
+ case R_PARISC_PCREL32:
/* Make it a pc relative offset. */
value -= location;
addend -= 8;
case R_PARISC_DPREL21L:
case R_PARISC_DPREL14R:
case R_PARISC_DPREL14F:
- /* For all the DP relative relocations, we need to examine the symbol's
- section. If it's a code section, then "data pointer relative" makes
- no sense. In that case we don't adjust the "value", and for 21 bit
- addil instructions, we change the source addend register from %dp to
- %r0. This situation commonly arises when a variable's "constness"
- is declared differently from the way the variable is defined. For
- instance: "extern int foo" with foo defined as "const int foo". */
- if (sym_sec == NULL)
- break;
- if ((sym_sec->flags & SEC_CODE) != 0)
+ /* Convert instructions that use the linkage table pointer (r19) to
+ instructions that use the global data pointer (dp). This is the
+ most efficient way of using PIC code in an incomplete executable,
+ but the user must follow the standard runtime conventions for
+ accessing data for this to work. */
+ if (orig_r_type != r_type)
+ {
+ if (r_type == R_PARISC_DPREL21L)
+ {
+ /* GCC sometimes uses a register other than r19 for the
+ operation, so we must convert any addil instruction
+ that uses this relocation. */
+ if ((insn & 0xfc000000) == ((int) OP_ADDIL << 26))
+ insn = ADDIL_DP;
+ else
+ /* We must have a ldil instruction. It's too hard to find
+ and convert the associated add instruction, so issue an
+ error. */
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("%B(%A+0x%lx): %s fixup for insn 0x%x is not supported in a non-shared link"),
+ input_bfd,
+ input_section,
+ (long) offset,
+ howto->name,
+ insn);
+ }
+ else if (r_type == R_PARISC_DPREL14F)
+ {
+ /* This must be a format 1 load/store. Change the base
+ register to dp. */
+ insn = (insn & 0xfc1ffff) | (27 << 21);
+ }
+ }
+
+ /* For all the DP relative relocations, we need to examine the symbol's
+ section. If it has no section or if it's a code section, then
+ "data pointer relative" makes no sense. In that case we don't
+ adjust the "value", and for 21 bit addil instructions, we change the
+ source addend register from %dp to %r0. This situation commonly
+ arises for undefined weak symbols and when a variable's "constness"
+ is declared differently from the way the variable is defined. For
+ instance: "extern int foo" with foo defined as "const int foo". */
+ if (sym_sec == NULL || (sym_sec->flags & SEC_CODE) != 0)
{
if ((insn & ((0x3f << 26) | (0x1f << 21)))
== (((int) OP_ADDIL << 26) | (27 << 21)))
{
insn &= ~ (0x1f << 21);
-#if 1 /* debug them. */
- (*_bfd_error_handler)
- (_("%s(%s+0x%lx): fixing %s"),
- bfd_get_filename (input_bfd),
- input_section->name,
- (long) rel->r_offset,
- howto->name);
-#endif
}
/* Now try to make things easy for the dynamic linker. */
case R_PARISC_DLTIND21L:
case R_PARISC_DLTIND14R:
case R_PARISC_DLTIND14F:
+ case R_PARISC_TLS_GD21L:
+ case R_PARISC_TLS_LDM21L:
+ case R_PARISC_TLS_IE21L:
+ case R_PARISC_TLS_GD14R:
+ case R_PARISC_TLS_LDM14R:
+ case R_PARISC_TLS_IE14R:
value -= elf_gp (input_section->output_section->owner);
break;
case R_PARISC_SEGREL32:
if ((sym_sec->flags & SEC_CODE) != 0)
- value -= hplink->text_segment_base;
+ value -= htab->text_segment_base;
else
- value -= hplink->data_segment_base;
+ value -= htab->data_segment_base;
break;
default:
case R_PARISC_DIR17F:
case R_PARISC_PCREL17C:
case R_PARISC_PCREL14F:
+ case R_PARISC_PCREL32:
case R_PARISC_DPREL14F:
case R_PARISC_PLABEL32:
case R_PARISC_DLTIND14F:
case R_PARISC_SEGBASE:
case R_PARISC_SEGREL32:
+ case R_PARISC_TLS_DTPMOD32:
+ case R_PARISC_TLS_DTPOFF32:
+ case R_PARISC_TLS_TPREL32:
r_field = e_fsel;
break;
- case R_PARISC_DIR21L:
+ case R_PARISC_DLTIND21L:
case R_PARISC_PCREL21L:
- case R_PARISC_DPREL21L:
case R_PARISC_PLABEL21L:
- case R_PARISC_DLTIND21L:
+ r_field = e_lsel;
+ break;
+
+ case R_PARISC_DIR21L:
+ case R_PARISC_DPREL21L:
+ case R_PARISC_TLS_GD21L:
+ case R_PARISC_TLS_LDM21L:
+ case R_PARISC_TLS_LDO21L:
+ case R_PARISC_TLS_IE21L:
+ case R_PARISC_TLS_LE21L:
r_field = e_lrsel;
break;
- case R_PARISC_DIR17R:
case R_PARISC_PCREL17R:
- case R_PARISC_DIR14R:
case R_PARISC_PCREL14R:
- case R_PARISC_DPREL14R:
case R_PARISC_PLABEL14R:
case R_PARISC_DLTIND14R:
+ r_field = e_rsel;
+ break;
+
+ case R_PARISC_DIR17R:
+ case R_PARISC_DIR14R:
+ case R_PARISC_DPREL14R:
+ case R_PARISC_TLS_GD14R:
+ case R_PARISC_TLS_LDM14R:
+ case R_PARISC_TLS_LDO14R:
+ case R_PARISC_TLS_IE14R:
+ case R_PARISC_TLS_LE14R:
r_field = e_rrsel;
break;
call to the local stub for this function. */
if (value + addend + max_branch_offset >= 2*max_branch_offset)
{
- stub_entry = hppa_get_stub_entry (input_section, sym_sec,
- h, rel, hplink);
- if (stub_entry == NULL)
- return bfd_reloc_notsupported;
+ hsh = hppa_get_stub_entry (input_section, sym_sec,
+ hh, rela, htab);
+ if (hsh == NULL)
+ return bfd_reloc_undefined;
/* Munge up the value and addend so that we call the stub
rather than the procedure directly. */
- value = (stub_entry->stub_offset
- + stub_entry->stub_sec->output_offset
- + stub_entry->stub_sec->output_section->vma
+ value = (hsh->stub_offset
+ + hsh->stub_sec->output_offset
+ + hsh->stub_sec->output_section->vma
- location);
addend = -8;
}
if (max_branch_offset != 0
&& value + addend + max_branch_offset >= 2*max_branch_offset)
{
- (*_bfd_error_handler)
- (_("%s(%s+0x%lx): cannot reach %s, recompile with -ffunction-sections"),
- bfd_get_filename (input_bfd),
- input_section->name,
- (long) rel->r_offset,
- stub_entry->root.string);
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("%B(%A+0x%lx): cannot reach %s, recompile with -ffunction-sections"),
+ input_bfd,
+ input_section,
+ (long) offset,
+ hsh->bh_root.string);
+ bfd_set_error (bfd_error_bad_value);
return bfd_reloc_notsupported;
}
/* Relocate an HPPA ELF section. */
-static boolean
-elf32_hppa_relocate_section (output_bfd, info, input_bfd, input_section,
- contents, relocs, local_syms, local_sections)
- bfd *output_bfd;
- struct bfd_link_info *info;
- bfd *input_bfd;
- asection *input_section;
- bfd_byte *contents;
- Elf_Internal_Rela *relocs;
- Elf_Internal_Sym *local_syms;
- asection **local_sections;
+static bfd_boolean
+elf32_hppa_relocate_section (bfd *output_bfd,
+ struct bfd_link_info *info,
+ bfd *input_bfd,
+ asection *input_section,
+ bfd_byte *contents,
+ Elf_Internal_Rela *relocs,
+ Elf_Internal_Sym *local_syms,
+ asection **local_sections)
{
- bfd *dynobj;
bfd_vma *local_got_offsets;
- struct elf32_hppa_link_hash_table *hplink;
+ struct elf32_hppa_link_hash_table *htab;
Elf_Internal_Shdr *symtab_hdr;
- Elf_Internal_Rela *rel;
+ Elf_Internal_Rela *rela;
Elf_Internal_Rela *relend;
- asection *sreloc;
symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
- hplink = hppa_link_hash_table (info);
- dynobj = hplink->root.dynobj;
+ htab = hppa_link_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
local_got_offsets = elf_local_got_offsets (input_bfd);
- sreloc = NULL;
- rel = relocs;
+ rela = relocs;
relend = relocs + input_section->reloc_count;
- for (; rel < relend; rel++)
+ for (; rela < relend; rela++)
{
unsigned int r_type;
reloc_howto_type *howto;
unsigned int r_symndx;
- struct elf32_hppa_link_hash_entry *h;
+ struct elf32_hppa_link_hash_entry *hh;
Elf_Internal_Sym *sym;
asection *sym_sec;
bfd_vma relocation;
- bfd_reloc_status_type r;
+ bfd_reloc_status_type rstatus;
const char *sym_name;
- boolean plabel;
+ bfd_boolean plabel;
+ bfd_boolean warned_undef;
- r_type = ELF32_R_TYPE (rel->r_info);
+ r_type = ELF32_R_TYPE (rela->r_info);
if (r_type >= (unsigned int) R_PARISC_UNIMPLEMENTED)
{
bfd_set_error (bfd_error_bad_value);
- return false;
+ return FALSE;
}
if (r_type == (unsigned int) R_PARISC_GNU_VTENTRY
|| r_type == (unsigned int) R_PARISC_GNU_VTINHERIT)
continue;
- r_symndx = ELF32_R_SYM (rel->r_info);
-
- if (info->relocateable)
- {
- /* This is a relocateable link. We don't have to change
- anything, unless the reloc is against a section symbol,
- in which case we have to adjust according to where the
- section symbol winds up in the output section. */
- if (r_symndx < symtab_hdr->sh_info)
- {
- sym = local_syms + r_symndx;
- if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
- {
- sym_sec = local_sections[r_symndx];
- rel->r_addend += sym_sec->output_offset;
- }
- }
- continue;
- }
-
- /* This is a final link. */
- h = NULL;
+ r_symndx = ELF32_R_SYM (rela->r_info);
+ hh = NULL;
sym = NULL;
sym_sec = NULL;
+ warned_undef = FALSE;
if (r_symndx < symtab_hdr->sh_info)
{
/* This is a local symbol, h defaults to NULL. */
sym = local_syms + r_symndx;
sym_sec = local_sections[r_symndx];
- relocation = ((ELF_ST_TYPE (sym->st_info) == STT_SECTION
- ? 0 : sym->st_value)
- + sym_sec->output_offset
- + sym_sec->output_section->vma);
+ relocation = _bfd_elf_rela_local_sym (output_bfd, sym, &sym_sec, rela);
}
else
{
- int indx;
-
- /* It's a global; Find its entry in the link hash. */
- indx = r_symndx - symtab_hdr->sh_info;
- h = ((struct elf32_hppa_link_hash_entry *)
- elf_sym_hashes (input_bfd)[indx]);
- while (h->elf.root.type == bfd_link_hash_indirect
- || h->elf.root.type == bfd_link_hash_warning)
- h = (struct elf32_hppa_link_hash_entry *) h->elf.root.u.i.link;
-
- relocation = 0;
- if (h->elf.root.type == bfd_link_hash_defined
- || h->elf.root.type == bfd_link_hash_defweak)
- {
- sym_sec = h->elf.root.u.def.section;
- /* If sym_sec->output_section is NULL, then it's a
- symbol defined in a shared library. */
- if (sym_sec->output_section != NULL)
- relocation = (h->elf.root.u.def.value
- + sym_sec->output_offset
- + sym_sec->output_section->vma);
- }
- else if (h->elf.root.type == bfd_link_hash_undefweak)
- ;
- else if (info->shared && !info->no_undefined
- && ELF_ST_VISIBILITY (h->elf.other) == STV_DEFAULT
- && h->elf.type != STT_PARISC_MILLI)
+ struct elf_link_hash_entry *eh;
+ bfd_boolean unresolved_reloc, ignored;
+ struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd);
+
+ RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rela,
+ r_symndx, symtab_hdr, sym_hashes,
+ eh, sym_sec, relocation,
+ unresolved_reloc, warned_undef,
+ ignored);
+
+ if (!bfd_link_relocatable (info)
+ && relocation == 0
+ && eh->root.type != bfd_link_hash_defined
+ && eh->root.type != bfd_link_hash_defweak
+ && eh->root.type != bfd_link_hash_undefweak)
{
- if (info->symbolic)
- if (!((*info->callbacks->undefined_symbol)
- (info, h->elf.root.root.string, input_bfd,
- input_section, rel->r_offset, false)))
- return false;
- }
- else
- {
- if (!((*info->callbacks->undefined_symbol)
- (info, h->elf.root.root.string, input_bfd,
- input_section, rel->r_offset, true)))
- return false;
+ if (info->unresolved_syms_in_objects == RM_IGNORE
+ && ELF_ST_VISIBILITY (eh->other) == STV_DEFAULT
+ && eh->type == STT_PARISC_MILLI)
+ {
+ (*info->callbacks->undefined_symbol)
+ (info, eh_name (eh), input_bfd,
+ input_section, rela->r_offset, FALSE);
+ warned_undef = TRUE;
+ }
}
+ hh = hppa_elf_hash_entry (eh);
}
+ if (sym_sec != NULL && discarded_section (sym_sec))
+ RELOC_AGAINST_DISCARDED_SECTION (info, input_bfd, input_section,
+ rela, 1, relend,
+ elf_hppa_howto_table + r_type, 0,
+ contents);
+
+ if (bfd_link_relocatable (info))
+ continue;
+
/* Do any required modifications to the relocation value, and
determine what types of dynamic info we need to output, if
any. */
case R_PARISC_DLTIND14F:
case R_PARISC_DLTIND14R:
case R_PARISC_DLTIND21L:
- /* Relocation is to the entry for this symbol in the global
- offset table. */
- if (h != NULL)
- {
- bfd_vma off;
- boolean dyn;
-
- off = h->elf.got.offset;
- if (off == (bfd_vma) -1)
- abort ();
-
- dyn = hplink->root.dynamic_sections_created;
- if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, info, &h->elf))
- {
- /* This is actually a static link, or it is a
- -Bsymbolic link and the symbol is defined
- locally, or the symbol was forced to be local
- because of a version file. We must initialize
- this entry in the global offset table. Since the
- offset must always be a multiple of 4, we use the
- least significant bit to record whether we have
- initialized it already.
-
- When doing a dynamic link, we create a .rela.got
- relocation entry to initialize the value. This
- is done in the finish_dynamic_symbol routine. */
- if ((off & 1) != 0)
- off &= ~1;
- else
- {
- bfd_put_32 (output_bfd, relocation,
- hplink->sgot->contents + off);
- h->elf.got.offset |= 1;
- }
- }
-
- relocation = off;
- }
- else
- {
- /* Local symbol case. */
- bfd_vma off;
+ {
+ bfd_vma off;
+ bfd_boolean do_got = 0;
- if (local_got_offsets == NULL
- || (off = local_got_offsets[r_symndx]) == (bfd_vma) -1)
- abort ();
+ /* Relocation is to the entry for this symbol in the
+ global offset table. */
+ if (hh != NULL)
+ {
+ bfd_boolean dyn;
+
+ off = hh->eh.got.offset;
+ dyn = htab->etab.dynamic_sections_created;
+ if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
+ bfd_link_pic (info),
+ &hh->eh))
+ {
+ /* If we aren't going to call finish_dynamic_symbol,
+ then we need to handle initialisation of the .got
+ entry and create needed relocs here. Since the
+ offset must always be a multiple of 4, we use the
+ least significant bit to record whether we have
+ initialised it already. */
+ if ((off & 1) != 0)
+ off &= ~1;
+ else
+ {
+ hh->eh.got.offset |= 1;
+ do_got = 1;
+ }
+ }
+ }
+ else
+ {
+ /* Local symbol case. */
+ if (local_got_offsets == NULL)
+ abort ();
+
+ off = local_got_offsets[r_symndx];
+
+ /* The offset must always be a multiple of 4. We use
+ the least significant bit to record whether we have
+ already generated the necessary reloc. */
+ if ((off & 1) != 0)
+ off &= ~1;
+ else
+ {
+ local_got_offsets[r_symndx] |= 1;
+ do_got = 1;
+ }
+ }
- /* The offset must always be a multiple of 4. We use
- the least significant bit to record whether we have
- already generated the necessary reloc. */
- if ((off & 1) != 0)
- off &= ~1;
- else
- {
+ if (do_got)
+ {
+ if (bfd_link_pic (info))
+ {
+ /* Output a dynamic relocation for this GOT entry.
+ In this case it is relative to the base of the
+ object because the symbol index is zero. */
+ Elf_Internal_Rela outrel;
+ bfd_byte *loc;
+ asection *sec = htab->etab.srelgot;
+
+ outrel.r_offset = (off
+ + htab->etab.sgot->output_offset
+ + htab->etab.sgot->output_section->vma);
+ outrel.r_info = ELF32_R_INFO (0, R_PARISC_DIR32);
+ outrel.r_addend = relocation;
+ loc = sec->contents;
+ loc += sec->reloc_count++ * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
+ }
+ else
bfd_put_32 (output_bfd, relocation,
- hplink->sgot->contents + off);
-
- if (info->shared)
- {
- /* Output a dynamic relocation for this GOT
- entry. In this case it is relative to the
- base of the object because the symbol index
- is zero. */
- Elf_Internal_Rela outrel;
- asection *srelgot = hplink->srelgot;
-
- outrel.r_offset = (off
- + hplink->sgot->output_offset
- + hplink->sgot->output_section->vma);
- outrel.r_info = ELF32_R_INFO (0, R_PARISC_DIR32);
- outrel.r_addend = relocation;
- bfd_elf32_swap_reloca_out (output_bfd, &outrel,
- ((Elf32_External_Rela *)
- srelgot->contents
- + srelgot->reloc_count));
- ++srelgot->reloc_count;
- }
-
- local_got_offsets[r_symndx] |= 1;
- }
+ htab->etab.sgot->contents + off);
+ }
- relocation = off;
- }
+ if (off >= (bfd_vma) -2)
+ abort ();
- /* Add the base of the GOT to the relocation value. */
- relocation += (hplink->sgot->output_offset
- + hplink->sgot->output_section->vma);
+ /* Add the base of the GOT to the relocation value. */
+ relocation = (off
+ + htab->etab.sgot->output_offset
+ + htab->etab.sgot->output_section->vma);
+ }
break;
case R_PARISC_SEGREL32:
/* If this is the first SEGREL relocation, then initialize
the segment base values. */
- if (hplink->text_segment_base == (bfd_vma) -1)
- bfd_map_over_sections (output_bfd,
- hppa_record_segment_addr,
- hplink);
+ if (htab->text_segment_base == (bfd_vma) -1)
+ bfd_map_over_sections (output_bfd, hppa_record_segment_addr, htab);
break;
case R_PARISC_PLABEL14R:
case R_PARISC_PLABEL21L:
case R_PARISC_PLABEL32:
- if (hplink->root.dynamic_sections_created)
+ if (htab->etab.dynamic_sections_created)
{
bfd_vma off;
-
+ bfd_boolean do_plt = 0;
/* If we have a global symbol with a PLT slot, then
redirect this relocation to it. */
- if (h != NULL)
+ if (hh != NULL)
{
- off = h->elf.plt.offset;
- if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (1, info, &h->elf))
+ off = hh->eh.plt.offset;
+ if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (1,
+ bfd_link_pic (info),
+ &hh->eh))
{
/* In a non-shared link, adjust_dynamic_symbols
isn't called for symbols forced local. We
- need to write out the plt entry here. */
+ need to write out the plt entry here. */
if ((off & 1) != 0)
off &= ~1;
else
{
- bfd_put_32 (output_bfd,
- relocation,
- hplink->splt->contents + off);
- bfd_put_32 (output_bfd,
- elf_gp (hplink->splt->output_section->owner),
- hplink->splt->contents + off + 4);
- h->elf.plt.offset |= 1;
+ hh->eh.plt.offset |= 1;
+ do_plt = 1;
}
}
}
else
{
- int indx;
+ bfd_vma *local_plt_offsets;
- indx = r_symndx + symtab_hdr->sh_info;
- off = local_got_offsets[indx];
+ if (local_got_offsets == NULL)
+ abort ();
+
+ local_plt_offsets = local_got_offsets + symtab_hdr->sh_info;
+ off = local_plt_offsets[r_symndx];
/* As for the local .got entry case, we use the last
bit to record whether we've already initialised
this local .plt entry. */
if ((off & 1) != 0)
off &= ~1;
+ else
+ {
+ local_plt_offsets[r_symndx] |= 1;
+ do_plt = 1;
+ }
+ }
+
+ if (do_plt)
+ {
+ if (bfd_link_pic (info))
+ {
+ /* Output a dynamic IPLT relocation for this
+ PLT entry. */
+ Elf_Internal_Rela outrel;
+ bfd_byte *loc;
+ asection *s = htab->etab.srelplt;
+
+ outrel.r_offset = (off
+ + htab->etab.splt->output_offset
+ + htab->etab.splt->output_section->vma);
+ outrel.r_info = ELF32_R_INFO (0, R_PARISC_IPLT);
+ outrel.r_addend = relocation;
+ loc = s->contents;
+ loc += s->reloc_count++ * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
+ }
else
{
bfd_put_32 (output_bfd,
relocation,
- hplink->splt->contents + off);
+ htab->etab.splt->contents + off);
bfd_put_32 (output_bfd,
- elf_gp (hplink->splt->output_section->owner),
- hplink->splt->contents + off + 4);
-
- if (info->shared)
- {
- /* Output a dynamic IPLT relocation for this
- PLT entry. */
- Elf_Internal_Rela outrel;
- asection *srelplt = hplink->srelplt;
-
- outrel.r_offset = (off
- + hplink->splt->output_offset
- + hplink->splt->output_section->vma);
- outrel.r_info = ELF32_R_INFO (0, R_PARISC_IPLT);
- outrel.r_addend = relocation;
- bfd_elf32_swap_reloca_out (output_bfd, &outrel,
- ((Elf32_External_Rela *)
- srelplt->contents
- + srelplt->reloc_count));
- ++srelplt->reloc_count;
- }
-
- local_got_offsets[indx] |= 1;
+ elf_gp (htab->etab.splt->output_section->owner),
+ htab->etab.splt->contents + off + 4);
}
}
- if (off >= (bfd_vma) -2 || (off & 1) != 0)
+ if (off >= (bfd_vma) -2)
abort ();
/* PLABELs contain function pointers. Relocation is to
is in the .plt and thus has a gp pointer too.
Exception: Undefined PLABELs should have a value of
zero. */
- if (h == NULL
- || (h->elf.root.type != bfd_link_hash_undefweak
- && h->elf.root.type != bfd_link_hash_undefined))
+ if (hh == NULL
+ || (hh->eh.root.type != bfd_link_hash_undefweak
+ && hh->eh.root.type != bfd_link_hash_undefined))
{
relocation = (off
- + hplink->splt->output_offset
- + hplink->splt->output_section->vma
+ + htab->etab.splt->output_offset
+ + htab->etab.splt->output_section->vma
+ 2);
}
plabel = 1;
}
- /* Fall through and possibly emit a dynamic relocation. */
+ /* Fall through. */
case R_PARISC_DIR17F:
case R_PARISC_DIR17R:
case R_PARISC_DPREL14R:
case R_PARISC_DPREL21L:
case R_PARISC_DIR32:
+ if ((input_section->flags & SEC_ALLOC) == 0)
+ break;
+
/* The reloc types handled here and this conditional
- expression must match the code in check_relocs and
- hppa_discard_copies. ie. We need exactly the same
- condition as in check_relocs, with some extra conditions
- (dynindx test in this case) to cater for relocs removed
- by hppa_discard_copies. */
- if ((input_section->flags & SEC_ALLOC) != 0
- && info->shared
-#if RELATIVE_DYNAMIC_RELOCS
- && (is_absolute_reloc (r_type)
- || ((!info->symbolic
- || (h != NULL
- && ((h->elf.elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0
- || h->elf.root.type == bfd_link_hash_defweak)))
- && (h == NULL || h->elf.dynindx != -1)))
-#endif
- )
+ expression must match the code in ..check_relocs and
+ allocate_dynrelocs. ie. We need exactly the same condition
+ as in ..check_relocs, with some extra conditions (dynindx
+ test in this case) to cater for relocs removed by
+ allocate_dynrelocs. If you squint, the non-shared test
+ here does indeed match the one in ..check_relocs, the
+ difference being that here we test DEF_DYNAMIC as well as
+ !DEF_REGULAR. All common syms end up with !DEF_REGULAR,
+ which is why we can't use just that test here.
+ Conversely, DEF_DYNAMIC can't be used in check_relocs as
+ there all files have not been loaded. */
+ if ((bfd_link_pic (info)
+ && (hh == NULL
+ || ELF_ST_VISIBILITY (hh->eh.other) == STV_DEFAULT
+ || hh->eh.root.type != bfd_link_hash_undefweak)
+ && (IS_ABSOLUTE_RELOC (r_type)
+ || !SYMBOL_CALLS_LOCAL (info, &hh->eh)))
+ || (!bfd_link_pic (info)
+ && hh != NULL
+ && hh->eh.dynindx != -1
+ && !hh->eh.non_got_ref
+ && ((ELIMINATE_COPY_RELOCS
+ && hh->eh.def_dynamic
+ && !hh->eh.def_regular)
+ || hh->eh.root.type == bfd_link_hash_undefweak
+ || hh->eh.root.type == bfd_link_hash_undefined)))
{
Elf_Internal_Rela outrel;
- boolean skip;
+ bfd_boolean skip;
+ asection *sreloc;
+ bfd_byte *loc;
/* When generating a shared object, these relocations
are copied into the output file to be resolved at run
time. */
- if (sreloc == NULL)
- {
- const char *name;
-
- name = (bfd_elf_string_from_elf_section
- (input_bfd,
- elf_elfheader (input_bfd)->e_shstrndx,
- elf_section_data (input_section)->rel_hdr.sh_name));
- if (name == NULL)
- return false;
- sreloc = bfd_get_section_by_name (dynobj, name);
- if (sreloc == NULL)
- abort ();
- }
-
- outrel.r_offset = rel->r_offset;
- outrel.r_addend = rel->r_addend;
- skip = false;
- if (elf_section_data (input_section)->stab_info != NULL)
- {
- bfd_vma off;
-
- off = (_bfd_stab_section_offset
- (output_bfd, &hplink->root.stab_info,
- input_section,
- &elf_section_data (input_section)->stab_info,
- rel->r_offset));
- if (off == (bfd_vma) -1)
- skip = true;
- outrel.r_offset = off;
- }
-
+ outrel.r_addend = rela->r_addend;
+ outrel.r_offset =
+ _bfd_elf_section_offset (output_bfd, info, input_section,
+ rela->r_offset);
+ skip = (outrel.r_offset == (bfd_vma) -1
+ || outrel.r_offset == (bfd_vma) -2);
outrel.r_offset += (input_section->output_offset
+ input_section->output_section->vma);
{
memset (&outrel, 0, sizeof (outrel));
}
- else if (h != NULL
- && h->elf.dynindx != -1
+ else if (hh != NULL
+ && hh->eh.dynindx != -1
&& (plabel
- || !info->symbolic
- || (h->elf.elf_link_hash_flags
- & ELF_LINK_HASH_DEF_REGULAR) == 0))
+ || !IS_ABSOLUTE_RELOC (r_type)
+ || !bfd_link_pic (info)
+ || !SYMBOLIC_BIND (info, &hh->eh)
+ || !hh->eh.def_regular))
{
- outrel.r_info = ELF32_R_INFO (h->elf.dynindx, r_type);
+ outrel.r_info = ELF32_R_INFO (hh->eh.dynindx, r_type);
}
else /* It's a local symbol, or one marked to become local. */
{
&& sym_sec->output_section != NULL
&& ! bfd_is_abs_section (sym_sec))
{
- indx = elf_section_data (sym_sec->output_section)->dynindx;
+ asection *osec;
+
+ osec = sym_sec->output_section;
+ indx = elf_section_data (osec)->dynindx;
+ if (indx == 0)
+ {
+ osec = htab->etab.text_index_section;
+ indx = elf_section_data (osec)->dynindx;
+ }
+ BFD_ASSERT (indx != 0);
+
/* We are turning this relocation into one
against a section symbol, so subtract out the
output section's address but not the offset
of the input section in the output section. */
- outrel.r_addend -= sym_sec->output_section->vma;
+ outrel.r_addend -= osec->vma;
}
outrel.r_info = ELF32_R_INFO (indx, r_type);
}
+ sreloc = elf_section_data (input_section)->sreloc;
+ if (sreloc == NULL)
+ abort ();
- bfd_elf32_swap_reloca_out (output_bfd, &outrel,
- ((Elf32_External_Rela *)
- sreloc->contents
- + sreloc->reloc_count));
- ++sreloc->reloc_count;
+ loc = sreloc->contents;
+ loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
}
break;
+ case R_PARISC_TLS_LDM21L:
+ case R_PARISC_TLS_LDM14R:
+ {
+ bfd_vma off;
+
+ off = htab->tls_ldm_got.offset;
+ if (off & 1)
+ off &= ~1;
+ else
+ {
+ Elf_Internal_Rela outrel;
+ bfd_byte *loc;
+
+ outrel.r_offset = (off
+ + htab->etab.sgot->output_section->vma
+ + htab->etab.sgot->output_offset);
+ outrel.r_addend = 0;
+ outrel.r_info = ELF32_R_INFO (0, R_PARISC_TLS_DTPMOD32);
+ loc = htab->etab.srelgot->contents;
+ loc += htab->etab.srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
+
+ bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
+ htab->tls_ldm_got.offset |= 1;
+ }
+
+ /* Add the base of the GOT to the relocation value. */
+ relocation = (off
+ + htab->etab.sgot->output_offset
+ + htab->etab.sgot->output_section->vma);
+
+ break;
+ }
+
+ case R_PARISC_TLS_LDO21L:
+ case R_PARISC_TLS_LDO14R:
+ relocation -= dtpoff_base (info);
+ break;
+
+ case R_PARISC_TLS_GD21L:
+ case R_PARISC_TLS_GD14R:
+ case R_PARISC_TLS_IE21L:
+ case R_PARISC_TLS_IE14R:
+ {
+ bfd_vma off;
+ int indx;
+ char tls_type;
+
+ indx = 0;
+ if (hh != NULL)
+ {
+ bfd_boolean dyn;
+ dyn = htab->etab.dynamic_sections_created;
+
+ if (WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn,
+ bfd_link_pic (info),
+ &hh->eh)
+ && (!bfd_link_pic (info)
+ || !SYMBOL_REFERENCES_LOCAL (info, &hh->eh)))
+ {
+ indx = hh->eh.dynindx;
+ }
+ off = hh->eh.got.offset;
+ tls_type = hh->tls_type;
+ }
+ else
+ {
+ off = local_got_offsets[r_symndx];
+ tls_type = hppa_elf_local_got_tls_type (input_bfd)[r_symndx];
+ }
+
+ if (tls_type == GOT_UNKNOWN)
+ abort ();
+
+ if ((off & 1) != 0)
+ off &= ~1;
+ else
+ {
+ bfd_boolean need_relocs = FALSE;
+ Elf_Internal_Rela outrel;
+ bfd_byte *loc = NULL;
+ int cur_off = off;
+
+ /* The GOT entries have not been initialized yet. Do it
+ now, and emit any relocations. If both an IE GOT and a
+ GD GOT are necessary, we emit the GD first. */
+
+ if ((bfd_link_pic (info) || indx != 0)
+ && (hh == NULL
+ || ELF_ST_VISIBILITY (hh->eh.other) == STV_DEFAULT
+ || hh->eh.root.type != bfd_link_hash_undefweak))
+ {
+ need_relocs = TRUE;
+ loc = htab->etab.srelgot->contents;
+ /* FIXME (CAO): Should this be reloc_count++ ? */
+ loc += htab->etab.srelgot->reloc_count * sizeof (Elf32_External_Rela);
+ }
+
+ if (tls_type & GOT_TLS_GD)
+ {
+ if (need_relocs)
+ {
+ outrel.r_offset = (cur_off
+ + htab->etab.sgot->output_section->vma
+ + htab->etab.sgot->output_offset);
+ outrel.r_info = ELF32_R_INFO (indx,R_PARISC_TLS_DTPMOD32);
+ outrel.r_addend = 0;
+ bfd_put_32 (output_bfd, 0, htab->etab.sgot->contents + cur_off);
+ bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
+ htab->etab.srelgot->reloc_count++;
+ loc += sizeof (Elf32_External_Rela);
+
+ if (indx == 0)
+ bfd_put_32 (output_bfd, relocation - dtpoff_base (info),
+ htab->etab.sgot->contents + cur_off + 4);
+ else
+ {
+ bfd_put_32 (output_bfd, 0,
+ htab->etab.sgot->contents + cur_off + 4);
+ outrel.r_info = ELF32_R_INFO (indx, R_PARISC_TLS_DTPOFF32);
+ outrel.r_offset += 4;
+ bfd_elf32_swap_reloca_out (output_bfd, &outrel,loc);
+ htab->etab.srelgot->reloc_count++;
+ loc += sizeof (Elf32_External_Rela);
+ }
+ }
+ else
+ {
+ /* If we are not emitting relocations for a
+ general dynamic reference, then we must be in a
+ static link or an executable link with the
+ symbol binding locally. Mark it as belonging
+ to module 1, the executable. */
+ bfd_put_32 (output_bfd, 1,
+ htab->etab.sgot->contents + cur_off);
+ bfd_put_32 (output_bfd, relocation - dtpoff_base (info),
+ htab->etab.sgot->contents + cur_off + 4);
+ }
+
+
+ cur_off += 8;
+ }
+
+ if (tls_type & GOT_TLS_IE)
+ {
+ if (need_relocs)
+ {
+ outrel.r_offset = (cur_off
+ + htab->etab.sgot->output_section->vma
+ + htab->etab.sgot->output_offset);
+ outrel.r_info = ELF32_R_INFO (indx, R_PARISC_TLS_TPREL32);
+
+ if (indx == 0)
+ outrel.r_addend = relocation - dtpoff_base (info);
+ else
+ outrel.r_addend = 0;
+
+ bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
+ htab->etab.srelgot->reloc_count++;
+ loc += sizeof (Elf32_External_Rela);
+ }
+ else
+ bfd_put_32 (output_bfd, tpoff (info, relocation),
+ htab->etab.sgot->contents + cur_off);
+
+ cur_off += 4;
+ }
+
+ if (hh != NULL)
+ hh->eh.got.offset |= 1;
+ else
+ local_got_offsets[r_symndx] |= 1;
+ }
+
+ if ((tls_type & GOT_TLS_GD)
+ && r_type != R_PARISC_TLS_GD21L
+ && r_type != R_PARISC_TLS_GD14R)
+ off += 2 * GOT_ENTRY_SIZE;
+
+ /* Add the base of the GOT to the relocation value. */
+ relocation = (off
+ + htab->etab.sgot->output_offset
+ + htab->etab.sgot->output_section->vma);
+
+ break;
+ }
+
+ case R_PARISC_TLS_LE21L:
+ case R_PARISC_TLS_LE14R:
+ {
+ relocation = tpoff (info, relocation);
+ break;
+ }
+ break;
+
default:
break;
}
- r = final_link_relocate (input_section, contents, rel, relocation,
- hplink, sym_sec, h);
+ rstatus = final_link_relocate (input_section, contents, rela, relocation,
+ htab, sym_sec, hh, info);
- if (r == bfd_reloc_ok)
+ if (rstatus == bfd_reloc_ok)
continue;
- if (h != NULL)
- sym_name = h->elf.root.root.string;
+ if (hh != NULL)
+ sym_name = hh_name (hh);
else
{
sym_name = bfd_elf_string_from_elf_section (input_bfd,
symtab_hdr->sh_link,
sym->st_name);
if (sym_name == NULL)
- return false;
+ return FALSE;
if (*sym_name == '\0')
sym_name = bfd_section_name (input_bfd, sym_sec);
}
howto = elf_hppa_howto_table + r_type;
- if (r == bfd_reloc_undefined || r == bfd_reloc_notsupported)
+ if (rstatus == bfd_reloc_undefined || rstatus == bfd_reloc_notsupported)
{
- (*_bfd_error_handler)
- (_("%s(%s+0x%lx): cannot handle %s for %s"),
- bfd_get_filename (input_bfd),
- input_section->name,
- (long) rel->r_offset,
- howto->name,
- sym_name);
+ if (rstatus == bfd_reloc_notsupported || !warned_undef)
+ {
+ _bfd_error_handler
+ /* xgettext:c-format */
+ (_("%B(%A+0x%lx): cannot handle %s for %s"),
+ input_bfd,
+ input_section,
+ (long) rela->r_offset,
+ howto->name,
+ sym_name);
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+ }
}
else
- {
- if (!((*info->callbacks->reloc_overflow)
- (info, sym_name, howto->name, (bfd_vma) 0,
- input_bfd, input_section, rel->r_offset)))
- return false;
- }
+ (*info->callbacks->reloc_overflow)
+ (info, (hh ? &hh->eh.root : NULL), sym_name, howto->name,
+ (bfd_vma) 0, input_bfd, input_section, rela->r_offset);
}
- return true;
-}
-
-/* Comparison function for qsort to sort unwind section during a
- final link. */
-
-static int
-hppa_unwind_entry_compare (a, b)
- const PTR a;
- const PTR b;
-{
- const bfd_byte *ap, *bp;
- unsigned long av, bv;
-
- ap = (const bfd_byte *) a;
- av = (unsigned long) ap[0] << 24;
- av |= (unsigned long) ap[1] << 16;
- av |= (unsigned long) ap[2] << 8;
- av |= (unsigned long) ap[3];
-
- bp = (const bfd_byte *) b;
- bv = (unsigned long) bp[0] << 24;
- bv |= (unsigned long) bp[1] << 16;
- bv |= (unsigned long) bp[2] << 8;
- bv |= (unsigned long) bp[3];
-
- return av < bv ? -1 : av > bv ? 1 : 0;
+ return TRUE;
}
/* Finish up dynamic symbol handling. We set the contents of various
dynamic sections here. */
-static boolean
-elf32_hppa_finish_dynamic_symbol (output_bfd, info, h, sym)
- bfd *output_bfd;
- struct bfd_link_info *info;
- struct elf_link_hash_entry *h;
- Elf_Internal_Sym *sym;
+static bfd_boolean
+elf32_hppa_finish_dynamic_symbol (bfd *output_bfd,
+ struct bfd_link_info *info,
+ struct elf_link_hash_entry *eh,
+ Elf_Internal_Sym *sym)
{
- struct elf32_hppa_link_hash_table *hplink;
- bfd *dynobj;
+ struct elf32_hppa_link_hash_table *htab;
+ Elf_Internal_Rela rela;
+ bfd_byte *loc;
- hplink = hppa_link_hash_table (info);
- dynobj = hplink->root.dynobj;
+ htab = hppa_link_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
- if (h->plt.offset != (bfd_vma) -1)
+ if (eh->plt.offset != (bfd_vma) -1)
{
bfd_vma value;
- if (h->plt.offset & 1)
+ if (eh->plt.offset & 1)
abort ();
/* This symbol has an entry in the procedure linkage table. Set
<__gp>
*/
value = 0;
- if (h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak)
+ if (eh->root.type == bfd_link_hash_defined
+ || eh->root.type == bfd_link_hash_defweak)
{
- value = h->root.u.def.value;
- if (h->root.u.def.section->output_section != NULL)
- value += (h->root.u.def.section->output_offset
- + h->root.u.def.section->output_section->vma);
+ value = eh->root.u.def.value;
+ if (eh->root.u.def.section->output_section != NULL)
+ value += (eh->root.u.def.section->output_offset
+ + eh->root.u.def.section->output_section->vma);
}
- if (! ((struct elf32_hppa_link_hash_entry *) h)->pic_call)
+ /* Create a dynamic IPLT relocation for this entry. */
+ rela.r_offset = (eh->plt.offset
+ + htab->etab.splt->output_offset
+ + htab->etab.splt->output_section->vma);
+ if (eh->dynindx != -1)
{
- Elf_Internal_Rela rel;
-
- /* Create a dynamic IPLT relocation for this entry. */
- rel.r_offset = (h->plt.offset
- + hplink->splt->output_offset
- + hplink->splt->output_section->vma);
- if (! ((struct elf32_hppa_link_hash_entry *) h)->plt_abs
- && h->dynindx != -1)
- {
- /* To support lazy linking, the function pointer is
- initialised to point to a special stub stored at the
- end of the .plt. This is not done for plt entries
- with a base-relative dynamic relocation. */
- value = (hplink->splt->output_offset
- + hplink->splt->output_section->vma
- + hplink->splt->_raw_size
- - sizeof (plt_stub)
- + PLT_STUB_ENTRY);
- rel.r_info = ELF32_R_INFO (h->dynindx, R_PARISC_IPLT);
- rel.r_addend = 0;
- }
- else
- {
- /* This symbol has been marked to become local, and is
- used by a plabel so must be kept in the .plt. */
- rel.r_info = ELF32_R_INFO (0, R_PARISC_IPLT);
- rel.r_addend = value;
- }
-
- bfd_elf32_swap_reloca_out (hplink->splt->output_section->owner,
- &rel,
- ((Elf32_External_Rela *)
- hplink->srelplt->contents
- + hplink->srelplt->reloc_count));
- hplink->srelplt->reloc_count++;
+ rela.r_info = ELF32_R_INFO (eh->dynindx, R_PARISC_IPLT);
+ rela.r_addend = 0;
}
-
- bfd_put_32 (hplink->splt->owner,
- value,
- hplink->splt->contents + h->plt.offset);
- bfd_put_32 (hplink->splt->owner,
- elf_gp (hplink->splt->output_section->owner),
- hplink->splt->contents + h->plt.offset + 4);
- if (PLABEL_PLT_ENTRY_SIZE != PLT_ENTRY_SIZE
- && ((struct elf32_hppa_link_hash_entry *) h)->plabel
- && h->dynindx != -1)
+ else
{
- memset (hplink->splt->contents + h->plt.offset + 8,
- 0, PLABEL_PLT_ENTRY_SIZE - PLT_ENTRY_SIZE);
+ /* This symbol has been marked to become local, and is
+ used by a plabel so must be kept in the .plt. */
+ rela.r_info = ELF32_R_INFO (0, R_PARISC_IPLT);
+ rela.r_addend = value;
}
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR) == 0)
+ loc = htab->etab.srelplt->contents;
+ loc += htab->etab.srelplt->reloc_count++ * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (htab->etab.splt->output_section->owner, &rela, loc);
+
+ if (!eh->def_regular)
{
/* Mark the symbol as undefined, rather than as defined in
the .plt section. Leave the value alone. */
}
}
- if (h->got.offset != (bfd_vma) -1)
+ if (eh->got.offset != (bfd_vma) -1
+ && (hppa_elf_hash_entry (eh)->tls_type & GOT_TLS_GD) == 0
+ && (hppa_elf_hash_entry (eh)->tls_type & GOT_TLS_IE) == 0)
{
- Elf_Internal_Rela rel;
-
/* This symbol has an entry in the global offset table. Set it
up. */
- rel.r_offset = ((h->got.offset &~ (bfd_vma) 1)
- + hplink->sgot->output_offset
- + hplink->sgot->output_section->vma);
+ rela.r_offset = ((eh->got.offset &~ (bfd_vma) 1)
+ + htab->etab.sgot->output_offset
+ + htab->etab.sgot->output_section->vma);
/* If this is a -Bsymbolic link and the symbol is defined
locally or was forced to be local because of a version file,
we just want to emit a RELATIVE reloc. The entry in the
global offset table will already have been initialized in the
relocate_section function. */
- if (info->shared
- && (info->symbolic || h->dynindx == -1)
- && (h->elf_link_hash_flags & ELF_LINK_HASH_DEF_REGULAR))
+ if (bfd_link_pic (info)
+ && (SYMBOLIC_BIND (info, eh) || eh->dynindx == -1)
+ && eh->def_regular)
{
- rel.r_info = ELF32_R_INFO (0, R_PARISC_DIR32);
- rel.r_addend = (h->root.u.def.value
- + h->root.u.def.section->output_offset
- + h->root.u.def.section->output_section->vma);
+ rela.r_info = ELF32_R_INFO (0, R_PARISC_DIR32);
+ rela.r_addend = (eh->root.u.def.value
+ + eh->root.u.def.section->output_offset
+ + eh->root.u.def.section->output_section->vma);
}
else
{
- if ((h->got.offset & 1) != 0)
+ if ((eh->got.offset & 1) != 0)
abort ();
- bfd_put_32 (output_bfd, (bfd_vma) 0,
- hplink->sgot->contents + h->got.offset);
- rel.r_info = ELF32_R_INFO (h->dynindx, R_PARISC_DIR32);
- rel.r_addend = 0;
+
+ bfd_put_32 (output_bfd, 0, htab->etab.sgot->contents + (eh->got.offset & ~1));
+ rela.r_info = ELF32_R_INFO (eh->dynindx, R_PARISC_DIR32);
+ rela.r_addend = 0;
}
- bfd_elf32_swap_reloca_out (output_bfd, &rel,
- ((Elf32_External_Rela *)
- hplink->srelgot->contents
- + hplink->srelgot->reloc_count));
- ++hplink->srelgot->reloc_count;
+ loc = htab->etab.srelgot->contents;
+ loc += htab->etab.srelgot->reloc_count++ * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
}
- if ((h->elf_link_hash_flags & ELF_LINK_HASH_NEEDS_COPY) != 0)
+ if (eh->needs_copy)
{
- asection *s;
- Elf_Internal_Rela rel;
+ asection *sec;
/* This symbol needs a copy reloc. Set it up. */
- if (! (h->dynindx != -1
- && (h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak)))
+ if (! (eh->dynindx != -1
+ && (eh->root.type == bfd_link_hash_defined
+ || eh->root.type == bfd_link_hash_defweak)))
abort ();
- s = hplink->srelbss;
-
- rel.r_offset = (h->root.u.def.value
- + h->root.u.def.section->output_offset
- + h->root.u.def.section->output_section->vma);
- rel.r_addend = 0;
- rel.r_info = ELF32_R_INFO (h->dynindx, R_PARISC_COPY);
- bfd_elf32_swap_reloca_out (output_bfd, &rel,
- ((Elf32_External_Rela *) s->contents
- + s->reloc_count));
- ++s->reloc_count;
+ rela.r_offset = (eh->root.u.def.value
+ + eh->root.u.def.section->output_offset
+ + eh->root.u.def.section->output_section->vma);
+ rela.r_addend = 0;
+ rela.r_info = ELF32_R_INFO (eh->dynindx, R_PARISC_COPY);
+ if (eh->root.u.def.section == htab->etab.sdynrelro)
+ sec = htab->etab.sreldynrelro;
+ else
+ sec = htab->etab.srelbss;
+ loc = sec->contents + sec->reloc_count++ * sizeof (Elf32_External_Rela);
+ bfd_elf32_swap_reloca_out (output_bfd, &rela, loc);
}
/* Mark _DYNAMIC and _GLOBAL_OFFSET_TABLE_ as absolute. */
- if (h->root.root.string[0] == '_'
- && (strcmp (h->root.root.string, "_DYNAMIC") == 0
- || strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0))
+ if (eh == htab->etab.hdynamic || eh == htab->etab.hgot)
{
sym->st_shndx = SHN_ABS;
}
- return true;
+ return TRUE;
+}
+
+/* Used to decide how to sort relocs in an optimal manner for the
+ dynamic linker, before writing them out. */
+
+static enum elf_reloc_type_class
+elf32_hppa_reloc_type_class (const struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ const asection *rel_sec ATTRIBUTE_UNUSED,
+ const Elf_Internal_Rela *rela)
+{
+ /* Handle TLS relocs first; we don't want them to be marked
+ relative by the "if (ELF32_R_SYM (rela->r_info) == STN_UNDEF)"
+ check below. */
+ switch ((int) ELF32_R_TYPE (rela->r_info))
+ {
+ case R_PARISC_TLS_DTPMOD32:
+ case R_PARISC_TLS_DTPOFF32:
+ case R_PARISC_TLS_TPREL32:
+ return reloc_class_normal;
+ }
+
+ if (ELF32_R_SYM (rela->r_info) == STN_UNDEF)
+ return reloc_class_relative;
+
+ switch ((int) ELF32_R_TYPE (rela->r_info))
+ {
+ case R_PARISC_IPLT:
+ return reloc_class_plt;
+ case R_PARISC_COPY:
+ return reloc_class_copy;
+ default:
+ return reloc_class_normal;
+ }
}
/* Finish up the dynamic sections. */
-static boolean
-elf32_hppa_finish_dynamic_sections (output_bfd, info)
- bfd *output_bfd;
- struct bfd_link_info *info;
+static bfd_boolean
+elf32_hppa_finish_dynamic_sections (bfd *output_bfd,
+ struct bfd_link_info *info)
{
bfd *dynobj;
- struct elf32_hppa_link_hash_table *hplink;
+ struct elf32_hppa_link_hash_table *htab;
asection *sdyn;
+ asection * sgot;
+
+ htab = hppa_link_hash_table (info);
+ if (htab == NULL)
+ return FALSE;
+
+ dynobj = htab->etab.dynobj;
- hplink = hppa_link_hash_table (info);
- dynobj = hplink->root.dynobj;
+ sgot = htab->etab.sgot;
+ /* A broken linker script might have discarded the dynamic sections.
+ Catch this here so that we do not seg-fault later on. */
+ if (sgot != NULL && bfd_is_abs_section (sgot->output_section))
+ return FALSE;
- sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
+ sdyn = bfd_get_linker_section (dynobj, ".dynamic");
- if (hplink->root.dynamic_sections_created)
+ if (htab->etab.dynamic_sections_created)
{
Elf32_External_Dyn *dyncon, *dynconend;
abort ();
dyncon = (Elf32_External_Dyn *) sdyn->contents;
- dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->_raw_size);
+ dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
for (; dyncon < dynconend; dyncon++)
{
Elf_Internal_Dyn dyn;
switch (dyn.d_tag)
{
default:
- break;
+ continue;
case DT_PLTGOT:
/* Use PLTGOT to set the GOT register. */
dyn.d_un.d_ptr = elf_gp (output_bfd);
- bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
break;
case DT_JMPREL:
- s = hplink->srelplt;
+ s = htab->etab.srelplt;
dyn.d_un.d_ptr = s->output_section->vma + s->output_offset;
- bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
break;
case DT_PLTRELSZ:
- s = hplink->srelplt;
- if (s->_cooked_size != 0)
- dyn.d_un.d_val = s->_cooked_size;
- else
- dyn.d_un.d_val = s->_raw_size;
- bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
+ s = htab->etab.srelplt;
+ dyn.d_un.d_val = s->size;
break;
}
+
+ bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
}
}
- if (hplink->sgot->_raw_size != 0)
+ if (sgot != NULL && sgot->size != 0)
{
/* Fill in the first entry in the global offset table.
We use it to point to our dynamic section, if we have one. */
bfd_put_32 (output_bfd,
- (sdyn != NULL
- ? sdyn->output_section->vma + sdyn->output_offset
- : (bfd_vma) 0),
- hplink->sgot->contents);
+ sdyn ? sdyn->output_section->vma + sdyn->output_offset : 0,
+ sgot->contents);
/* The second entry is reserved for use by the dynamic linker. */
- memset (hplink->sgot->contents + GOT_ENTRY_SIZE, 0, GOT_ENTRY_SIZE);
+ memset (sgot->contents + GOT_ENTRY_SIZE, 0, GOT_ENTRY_SIZE);
/* Set .got entry size. */
- elf_section_data (hplink->sgot->output_section)
+ elf_section_data (sgot->output_section)
->this_hdr.sh_entsize = GOT_ENTRY_SIZE;
}
- if (hplink->splt->_raw_size != 0)
+ if (htab->etab.splt != NULL && htab->etab.splt->size != 0)
{
- /* Set plt entry size. */
- elf_section_data (hplink->splt->output_section)
- ->this_hdr.sh_entsize = PLT_ENTRY_SIZE;
+ /* Set plt entry size to 0 instead of PLT_ENTRY_SIZE, since we add the
+ plt stubs and as such the section does not hold a table of fixed-size
+ entries. */
+ elf_section_data (htab->etab.splt->output_section)->this_hdr.sh_entsize = 0;
- if (hplink->need_plt_stub)
+ if (htab->need_plt_stub)
{
/* Set up the .plt stub. */
- memcpy (hplink->splt->contents
- + hplink->splt->_raw_size - sizeof (plt_stub),
+ memcpy (htab->etab.splt->contents
+ + htab->etab.splt->size - sizeof (plt_stub),
plt_stub, sizeof (plt_stub));
- if ((hplink->splt->output_offset
- + hplink->splt->output_section->vma
- + hplink->splt->_raw_size)
- != (hplink->sgot->output_offset
- + hplink->sgot->output_section->vma))
+ if ((htab->etab.splt->output_offset
+ + htab->etab.splt->output_section->vma
+ + htab->etab.splt->size)
+ != (sgot->output_offset
+ + sgot->output_section->vma))
{
- (*_bfd_error_handler)
+ _bfd_error_handler
(_(".got section not immediately after .plt section"));
- return false;
+ return FALSE;
}
}
}
- return true;
-}
-
-/* Tweak the OSABI field of the elf header. */
-
-static void
-elf32_hppa_post_process_headers (abfd, link_info)
- bfd *abfd;
- struct bfd_link_info *link_info ATTRIBUTE_UNUSED;
-{
- Elf_Internal_Ehdr * i_ehdrp;
-
- i_ehdrp = elf_elfheader (abfd);
-
- if (strcmp (bfd_get_target (abfd), "elf32-hppa-linux") == 0)
- {
- i_ehdrp->e_ident[EI_OSABI] = ELFOSABI_LINUX;
- }
- else
- {
- i_ehdrp->e_ident[EI_OSABI] = ELFOSABI_HPUX;
- }
+ return TRUE;
}
/* Called when writing out an object file to decide the type of a
symbol. */
static int
-elf32_hppa_elf_get_symbol_type (elf_sym, type)
- Elf_Internal_Sym *elf_sym;
- int type;
+elf32_hppa_elf_get_symbol_type (Elf_Internal_Sym *elf_sym, int type)
{
if (ELF_ST_TYPE (elf_sym->st_info) == STT_PARISC_MILLI)
return STT_PARISC_MILLI;
/* Misc BFD support code. */
#define bfd_elf32_bfd_is_local_label_name elf_hppa_is_local_label_name
#define bfd_elf32_bfd_reloc_type_lookup elf_hppa_reloc_type_lookup
+#define bfd_elf32_bfd_reloc_name_lookup elf_hppa_reloc_name_lookup
#define elf_info_to_howto elf_hppa_info_to_howto
#define elf_info_to_howto_rel elf_hppa_info_to_howto_rel
/* Stuff for the BFD linker. */
#define bfd_elf32_bfd_final_link elf32_hppa_final_link
#define bfd_elf32_bfd_link_hash_table_create elf32_hppa_link_hash_table_create
-#define elf_backend_add_symbol_hook elf32_hppa_add_symbol_hook
#define elf_backend_adjust_dynamic_symbol elf32_hppa_adjust_dynamic_symbol
+#define elf_backend_copy_indirect_symbol elf32_hppa_copy_indirect_symbol
#define elf_backend_check_relocs elf32_hppa_check_relocs
#define elf_backend_create_dynamic_sections elf32_hppa_create_dynamic_sections
#define elf_backend_fake_sections elf_hppa_fake_sections
#define elf_backend_finish_dynamic_symbol elf32_hppa_finish_dynamic_symbol
#define elf_backend_finish_dynamic_sections elf32_hppa_finish_dynamic_sections
#define elf_backend_size_dynamic_sections elf32_hppa_size_dynamic_sections
+#define elf_backend_init_index_section _bfd_elf_init_1_index_section
#define elf_backend_gc_mark_hook elf32_hppa_gc_mark_hook
#define elf_backend_gc_sweep_hook elf32_hppa_gc_sweep_hook
+#define elf_backend_grok_prstatus elf32_hppa_grok_prstatus
+#define elf_backend_grok_psinfo elf32_hppa_grok_psinfo
#define elf_backend_object_p elf32_hppa_object_p
#define elf_backend_final_write_processing elf_hppa_final_write_processing
-#define elf_backend_post_process_headers elf32_hppa_post_process_headers
#define elf_backend_get_symbol_type elf32_hppa_elf_get_symbol_type
+#define elf_backend_reloc_type_class elf32_hppa_reloc_type_class
+#define elf_backend_action_discarded elf_hppa_action_discarded
#define elf_backend_can_gc_sections 1
+#define elf_backend_can_refcount 1
#define elf_backend_plt_alignment 2
#define elf_backend_want_got_plt 0
#define elf_backend_plt_readonly 0
#define elf_backend_want_plt_sym 0
#define elf_backend_got_header_size 8
+#define elf_backend_want_dynrelro 1
+#define elf_backend_rela_normal 1
+#define elf_backend_dtrel_excludes_plt 1
+#define elf_backend_no_page_alias 1
-#define TARGET_BIG_SYM bfd_elf32_hppa_vec
+#define TARGET_BIG_SYM hppa_elf32_vec
#define TARGET_BIG_NAME "elf32-hppa"
#define ELF_ARCH bfd_arch_hppa
+#define ELF_TARGET_ID HPPA32_ELF_DATA
#define ELF_MACHINE_CODE EM_PARISC
#define ELF_MAXPAGESIZE 0x1000
+#define ELF_OSABI ELFOSABI_HPUX
+#define elf32_bed elf32_hppa_hpux_bed
+
+#include "elf32-target.h"
+
+#undef TARGET_BIG_SYM
+#define TARGET_BIG_SYM hppa_elf32_linux_vec
+#undef TARGET_BIG_NAME
+#define TARGET_BIG_NAME "elf32-hppa-linux"
+#undef ELF_OSABI
+#define ELF_OSABI ELFOSABI_GNU
+#undef elf32_bed
+#define elf32_bed elf32_hppa_linux_bed
#include "elf32-target.h"
#undef TARGET_BIG_SYM
-#define TARGET_BIG_SYM bfd_elf32_hppa_linux_vec
+#define TARGET_BIG_SYM hppa_elf32_nbsd_vec
#undef TARGET_BIG_NAME
-#define TARGET_BIG_NAME "elf32-hppa-linux"
+#define TARGET_BIG_NAME "elf32-hppa-netbsd"
+#undef ELF_OSABI
+#define ELF_OSABI ELFOSABI_NETBSD
+#undef elf32_bed
+#define elf32_bed elf32_hppa_netbsd_bed
-#define INCLUDED_TARGET_FILE 1
#include "elf32-target.h"