-/* Hitachi SH64-specific support for 32-bit ELF
- Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.
+/* SuperH SH64-specific support for 32-bit ELF
+ Copyright 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
This file is part of BFD, the Binary File Descriptor library.
#include "sysdep.h"
#include "elf-bfd.h"
#include "../opcodes/sh64-opc.h"
+#include "elf32-sh64.h"
/* Add a suffix for datalabel indirection symbols. It must not match any
other symbols; user symbols with or without version or other
bfd_vma addr;
};
-static boolean sh64_elf_copy_private_data PARAMS ((bfd *, bfd *));
-static boolean sh64_elf_merge_private_data PARAMS ((bfd *, bfd *));
-static boolean sh64_elf_fake_sections PARAMS ((bfd *, Elf_Internal_Shdr *,
- asection *));
-static boolean sh64_elf_set_private_flags PARAMS ((bfd *, flagword));
-static boolean sh64_elf_set_mach_from_flags PARAMS ((bfd *));
-static boolean shmedia_prepare_reloc
+static bfd_boolean sh64_elf_new_section_hook
+ PARAMS ((bfd *, asection *));
+static bfd_boolean sh64_elf_copy_private_data
+ PARAMS ((bfd *, bfd *));
+static bfd_boolean sh64_elf_merge_private_data
+ PARAMS ((bfd *, bfd *));
+static bfd_boolean sh64_elf_fake_sections
+ PARAMS ((bfd *, Elf_Internal_Shdr *, asection *));
+static bfd_boolean sh64_elf_set_private_flags
+ PARAMS ((bfd *, flagword));
+static bfd_boolean sh64_elf_set_mach_from_flags
+ PARAMS ((bfd *));
+static bfd_boolean shmedia_prepare_reloc
PARAMS ((struct bfd_link_info *, bfd *, asection *,
bfd_byte *, const Elf_Internal_Rela *, bfd_vma *));
-static int sh64_elf_get_symbol_type PARAMS ((Elf_Internal_Sym *, int));
-static boolean sh64_elf_add_symbol_hook
+static int sh64_elf_get_symbol_type
+ PARAMS ((Elf_Internal_Sym *, int));
+static bfd_boolean sh64_elf_add_symbol_hook
PARAMS ((bfd *, struct bfd_link_info *, const Elf_Internal_Sym *,
const char **, flagword *, asection **, bfd_vma *));
-static boolean sh64_elf_link_output_symbol_hook
+static bfd_boolean sh64_elf_link_output_symbol_hook
PARAMS ((bfd *, struct bfd_link_info *, const char *, Elf_Internal_Sym *,
asection *));
-static boolean sh64_backend_section_from_shdr
+static bfd_boolean sh64_backend_section_from_shdr
PARAMS ((bfd *, Elf_Internal_Shdr *, const char *));
-static void sh64_elf_final_write_processing PARAMS ((bfd *, boolean));
-static boolean sh64_bfd_elf_copy_private_section_data
+static void sh64_elf_final_write_processing
+ PARAMS ((bfd *, bfd_boolean));
+static bfd_boolean sh64_bfd_elf_copy_private_section_data
PARAMS ((bfd *, asection *, bfd *, asection *));
-static void sh64_find_section_for_address PARAMS ((bfd *, asection *, PTR));
+static void sh64_find_section_for_address
+ PARAMS ((bfd *, asection *, PTR));
/* Let elf32-sh.c handle the "bfd_" definitions, so we only have to
intrude with an #ifndef around the function definition. */
#define elf_backend_final_write_processing sh64_elf_final_write_processing
#define elf_backend_section_from_shdr sh64_backend_section_from_shdr
+#define bfd_elf32_new_section_hook sh64_elf_new_section_hook
+
/* For objcopy, we need to set up sh64_elf_section_data (asection *) from
incoming section flags. This is otherwise done in sh64elf.em when
linking or tc-sh64.c when assembling. */
sh64_bfd_elf_copy_private_section_data
/* This COFF-only function (only compiled with COFF support, making
- ELF-only chains problematic) returns true early for SH4, so let's just
- define it true here. */
-#define _bfd_sh_align_load_span(a,b,c,d,e,f,g,h,i,j) true
+ ELF-only chains problematic) returns TRUE early for SH4, so let's just
+ define it TRUE here. */
+#define _bfd_sh_align_load_span(a,b,c,d,e,f,g,h,i,j) TRUE
#define GOT_BIAS (-((long)-32768))
#define INCLUDE_SHMEDIA
#include "elf32-sh.c"
+/* Tack some extra info on struct bfd_elf_section_data. */
+
+static bfd_boolean
+sh64_elf_new_section_hook (abfd, sec)
+ bfd *abfd;
+ asection *sec;
+{
+ struct _sh64_elf_section_data *sdata;
+ bfd_size_type amt = sizeof (*sdata);
+
+ sdata = (struct _sh64_elf_section_data *) bfd_zalloc (abfd, amt);
+ if (sdata == NULL)
+ return FALSE;
+ sec->used_by_bfd = (PTR) sdata;
+
+ return _bfd_elf_new_section_hook (abfd, sec);
+}
+
/* Set the SHF_SH5_ISA32 flag for ISA SHmedia code sections, and pass
through SHT_SH5_CR_SORTED on a sorted .cranges section. */
-boolean
+bfd_boolean
sh64_elf_fake_sections (output_bfd, elf_section_hdr, asect)
bfd *output_bfd ATTRIBUTE_UNUSED;
Elf_Internal_Shdr *elf_section_hdr;
asection *asect;
{
- if (sh64_elf_section_data (asect) != NULL)
+ if (sh64_elf_section_data (asect)->sh64_info != NULL)
elf_section_hdr->sh_flags
- |= sh64_elf_section_data (asect)->contents_flags;
+ |= sh64_elf_section_data (asect)->sh64_info->contents_flags;
/* If this section has the SEC_SORT_ENTRIES flag set, it is a sorted
.cranges section passing through objcopy. */
SH64_CRANGES_SECTION_NAME) == 0)
elf_section_hdr->sh_type = SHT_SH5_CR_SORTED;
- return true;
+ return TRUE;
}
-static boolean
+static bfd_boolean
sh64_elf_set_mach_from_flags (abfd)
bfd *abfd;
{
default:
bfd_set_error (bfd_error_wrong_format);
- return false;
+ return FALSE;
}
/* We also need to set SEC_DEBUGGING on an incoming .cranges section.
&& ! bfd_set_section_flags (abfd, cranges,
bfd_get_section_flags (abfd, cranges)
| SEC_DEBUGGING))
- return false;
+ return FALSE;
- return true;
+ return TRUE;
}
-static boolean
+static bfd_boolean
sh64_elf_copy_private_data (ibfd, obfd)
bfd * ibfd;
bfd * obfd;
{
if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
- return true;
+ return TRUE;
BFD_ASSERT (!elf_flags_init (obfd)
|| (elf_elfheader (obfd)->e_flags
== elf_elfheader (ibfd)->e_flags));
elf_elfheader (obfd)->e_flags = elf_elfheader (ibfd)->e_flags;
- return true;
+ return TRUE;
}
-static boolean
+static bfd_boolean
sh64_elf_merge_private_data (ibfd, obfd)
bfd *ibfd;
bfd *obfd;
flagword old_flags, new_flags;
if (! _bfd_generic_verify_endian_match (ibfd, obfd))
- return false;
+ return FALSE;
if ( bfd_get_flavour (ibfd) != bfd_target_elf_flavour
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
- return true;
+ return TRUE;
if (bfd_get_arch_size (ibfd) != bfd_get_arch_size (obfd))
{
(*_bfd_error_handler) (msg, bfd_get_filename (ibfd),
bfd_get_filename (obfd));
bfd_set_error (bfd_error_wrong_format);
- return false;
+ return FALSE;
}
old_flags = elf_elfheader (obfd)->e_flags;
if (! elf_flags_init (obfd))
{
/* This happens when ld starts out with a 'blank' output file. */
- elf_flags_init (obfd) = true;
+ elf_flags_init (obfd) = TRUE;
elf_elfheader (obfd)->e_flags = old_flags = new_flags;
}
/* We don't allow linking in non-SH64 code. */
("%s: uses non-SH64 instructions while previous modules use SH64 instructions",
bfd_get_filename (ibfd));
bfd_set_error (bfd_error_bad_value);
- return false;
+ return FALSE;
}
/* I can't think of anything sane other than old_flags being EF_SH5 and
We only recognize SHT_SH5_CR_SORTED, on the .cranges section. */
-boolean
+bfd_boolean
sh64_backend_section_from_shdr (abfd, hdr, name)
bfd *abfd;
Elf_Internal_Shdr *hdr;
flagword flags = 0;
/* We do like MIPS with a bit switch for recognized types, and returning
- false for a recognized section type with an unexpected name. Right
+ FALSE for a recognized section type with an unexpected name. Right
now we only have one recognized type, but that might change. */
switch (hdr->sh_type)
{
case SHT_SH5_CR_SORTED:
if (strcmp (name, SH64_CRANGES_SECTION_NAME) != 0)
- return false;
+ return FALSE;
/* We set the SEC_SORT_ENTRIES flag so it can be passed on to
sh64_elf_fake_sections, keeping SHT_SH5_CR_SORTED if this object
break;
default:
- return false;
+ return FALSE;
}
if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name))
- return false;
+ return FALSE;
if (flags
&& ! bfd_set_section_flags (abfd, hdr->bfd_section,
bfd_get_section_flags (abfd,
hdr->bfd_section)
| flags))
- return false;
+ return FALSE;
- return true;
+ return TRUE;
}
/* In contrast to sh64_backend_section_from_shdr, this is called for all
assembling. We need to set up the sh64_elf_section_data (asection *)
structure for the SH64 ELF section flags to be copied correctly. */
-boolean
+bfd_boolean
sh64_bfd_elf_copy_private_section_data (ibfd, isec, obfd, osec)
bfd *ibfd;
asection *isec;
if (ibfd->xvec->flavour != bfd_target_elf_flavour
|| obfd->xvec->flavour != bfd_target_elf_flavour)
- return true;
+ return TRUE;
if (! _bfd_elf_copy_private_section_data (ibfd, isec, obfd, osec))
- return false;
+ return FALSE;
- sh64_sec_data = sh64_elf_section_data (isec);
+ sh64_sec_data = sh64_elf_section_data (isec)->sh64_info;
if (sh64_sec_data == NULL)
{
sh64_sec_data = bfd_zmalloc (sizeof (struct sh64_section_data));
if (sh64_sec_data == NULL)
- return false;
+ return FALSE;
sh64_sec_data->contents_flags
= (elf_section_data (isec)->this_hdr.sh_flags
& (SHF_SH5_ISA32 | SHF_SH5_ISA32_MIXED));
- sh64_elf_section_data (osec) = sh64_sec_data;
+ sh64_elf_section_data (osec)->sh64_info = sh64_sec_data;
}
- return true;
+ return TRUE;
}
/* Function to keep SH64 specific file flags. */
-static boolean
+static bfd_boolean
sh64_elf_set_private_flags (abfd, flags)
bfd * abfd;
flagword flags;
|| elf_elfheader (abfd)->e_flags == flags);
elf_elfheader (abfd)->e_flags = flags;
- elf_flags_init (abfd) = true;
+ elf_flags_init (abfd) = TRUE;
return sh64_elf_set_mach_from_flags (abfd);
}
or the hash entry, alternatively adding the index to Elf_Internal_Sym
(not so good). */
-static boolean
+static bfd_boolean
sh64_elf_add_symbol_hook (abfd, info, sym, namep, flagsp, secp, valp)
bfd *abfd;
struct bfd_link_info *info;
/* Allocation may fail. */
if (dl_name == NULL)
- return false;
+ return FALSE;
strcpy (dl_name, *namep);
strcat (dl_name, DATALABEL_SUFFIX);
h = (struct elf_link_hash_entry *)
- bfd_link_hash_lookup (info->hash, dl_name, false, false, false);
+ bfd_link_hash_lookup (info->hash, dl_name, FALSE, FALSE, FALSE);
if (h == NULL)
{
if (! _bfd_generic_link_add_one_symbol (info, abfd, dl_name,
flags, *secp, *valp,
- *namep, false,
+ *namep, FALSE,
bed->collect, &bh))
{
free (dl_name);
- return false;
+ return FALSE;
}
h = (struct elf_link_hash_entry *) bh;
(_("%s: encountered datalabel symbol in input"),
bfd_get_filename (abfd));
bfd_set_error (bfd_error_bad_value);
- return false;
+ return FALSE;
}
/* Now find the hash-table slot for this entry and fill it in. */
*namep = NULL;
}
- return true;
+ return TRUE;
}
/* This hook function is called before the linker writes out a global
we don't need to look up and make sure to emit the main symbol for each
DataLabel symbol. */
-boolean
+bfd_boolean
sh64_elf_link_output_symbol_hook (abfd, info, cname, sym, input_sec)
bfd *abfd ATTRIBUTE_UNUSED;
struct bfd_link_info *info;
name[strlen (name) - strlen (DATALABEL_SUFFIX)] = 0;
}
- return true;
+ return TRUE;
}
/* Check a SH64-specific reloc and put the value to relocate to into
RELOCATION, ready to pass to _bfd_final_link_relocate. Return FALSE if
bad value, TRUE if ok. */
-static boolean
+static bfd_boolean
shmedia_prepare_reloc (info, abfd, input_section,
contents, rel, relocation)
struct bfd_link_info *info;
&& ! ((*info->callbacks->reloc_dangerous)
(info, msg, abfd, input_section,
rel->r_offset)))
- return false;
+ return FALSE;
}
else
{
(*_bfd_error_handler)
(_("%s: GAS error: unexpected PTB insn with R_SH_PT_16"),
bfd_get_filename (input_section->owner));
- return false;
+ return FALSE;
}
/* Change the PTA to a PTB, if destination indicates so. */
break;
default:
- return false;
+ return FALSE;
}
disp = (*relocation & 0xf);
(_("%s: error: unaligned relocation type %d at %08x reloc %08x\n"),
bfd_get_filename (input_section->owner), ELF32_R_TYPE (rel->r_info),
(unsigned)rel->r_offset, (unsigned)relocation);
- return false;
+ return FALSE;
}
- return true;
+ return TRUE;
}
/* Helper function to locate the section holding a certain address. This
static void
sh64_elf_final_write_processing (abfd, linker)
- bfd * abfd;
- boolean linker ATTRIBUTE_UNUSED;
+ bfd *abfd;
+ bfd_boolean linker ATTRIBUTE_UNUSED;
{
bfd_vma ld_generated_cranges_size;
asection *cranges
&& cranges != NULL
&& elf_elfheader (abfd)->e_type != ET_EXEC
&& (ld_generated_cranges_size
- = sh64_elf_section_data (cranges)->cranges_growth) != 0)
+ = sh64_elf_section_data (cranges)->sh64_info->cranges_growth) != 0)
{
bfd_vma incoming_cranges_size
= ((cranges->_cooked_size != 0
#define ELF_MAXPAGESIZE 0x10000
#undef elf_symbol_leading_char
#define elf_symbol_leading_char 0
-
+#undef elf32_bed
#define elf32_bed elf32_sh64_nbsd_bed
#include "elf32-target.h"
-#undef elf32_bed
-
/* Linux support. */
#undef TARGET_BIG_SYM
#define TARGET_BIG_SYM bfd_elf32_sh64blin_vec
#define TARGET_LITTLE_SYM bfd_elf32_sh64lin_vec
#undef TARGET_LITTLE_NAME
#define TARGET_LITTLE_NAME "elf32-sh64-linux"
-
+#undef elf32_bed
#define elf32_bed elf32_sh64_lin_bed
#include "elf32-target.h"
-#undef elf32_bed
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