* bfd-in.h (_bfd_elf_fix_excluded_sec_syms): Declare.
(_bfd_elf_provide_section_bound_symbols): Remove param name.
Formatting.
* bfd-in2.h: Regenerate.
* elflink.c (bfd_elf_gc_sections): Don't call generic function.
(_bfd_elf_provide_symbol): Formatting.
(_bfd_elf_provide_section_bound_symbols): Remove all hacks, just
create section relative syms.
(fix_syms, _bfd_elf_fix_excluded_sec_syms): New functions.
* elf32-ppc.c (ppc_elf_set_sdata_syms): Use
_bfd_elf_provide_section_bound_symbols.
* reloc.c (bfd_mark_used_section): Delete.
(bfd_generic_gc_sections): Don't call the above.
ld/
* ldlang.c (strip_excluded_output_sections): Don't call
bfd_gc_sections.
* emultempl/elf32.em (gld*_provide_bound_symbols): Move.
(gld*_provide_init_fini_syms): Move.
(gld*_before_allocation): Call the above from here..
(gld*_finish): ..not here. Call _bfd_elf_fix_excluded_sec_syms.
* emultempl/hppaelf.em (hppaelf_finish): Likewise.
* emultempl/ppc64elf.em (ppc_finish): Likewise.
+2005-07-14 Alan Modra <amodra@bigpond.net.au>
+
+ * bfd-in.h (_bfd_elf_fix_excluded_sec_syms): Declare.
+ (_bfd_elf_provide_section_bound_symbols): Remove param name.
+ Formatting.
+ * bfd-in2.h: Regenerate.
+ * elflink.c (bfd_elf_gc_sections): Don't call generic function.
+ (_bfd_elf_provide_symbol): Formatting.
+ (_bfd_elf_provide_section_bound_symbols): Remove all hacks, just
+ create section relative syms.
+ (fix_syms, _bfd_elf_fix_excluded_sec_syms): New functions.
+ * elf32-ppc.c (ppc_elf_set_sdata_syms): Use
+ _bfd_elf_provide_section_bound_symbols.
+ * reloc.c (bfd_mark_used_section): Delete.
+ (bfd_generic_gc_sections): Don't call the above.
+
2005-07-14 Paul Woegerer <paul.woegerer@nsc.com>
PR 1063
Alpha binaries and issue a helpful error message.
(alpha_ecoff_swap_reloc_out): Increase maximum allowed internal
symbol index to 15 to allow for binaries produced by DEC
- compilers.
+ compilers.
2005-07-13 Steve Ellcey <sje@cup.hp.com>
2005-07-08 Ralf Corsepius <ralf.corsepius@rtems.org>
* config.bfd: Mark i960-*-rtems*, or32-*-rtems* as obsolete.
- Mark a29k-*rtems*, hppa*-*-rtems*, *-go32-rtems*,
+ Mark a29k-*rtems*, hppa*-*-rtems*, *-go32-rtems*,
i[3-7]86*-*-rtemscoff*, mips*el-*-rtems*, powerpcle-*-rtems*,
sparc*-*-rtemsaout* as removed
(struct bfd_link_info *, const char *, bfd_vma, struct bfd_section *);
extern void _bfd_elf_provide_section_bound_symbols
- (struct bfd_link_info *, struct bfd_section *sec, const char *, const char *);
+ (struct bfd_link_info *, struct bfd_section *, const char *, const char *);
+
+extern void _bfd_elf_fix_excluded_sec_syms
+ (bfd *, struct bfd_link_info *);
extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs
- (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **);
+ (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
+ char **);
/* SunOS shared library support routines for the linker. */
extern bfd_boolean bfd_sunos_record_link_assignment
(bfd *, struct bfd_link_info *, const char *);
extern bfd_boolean bfd_sunos_size_dynamic_sections
- (bfd *, struct bfd_link_info *, struct bfd_section **, struct bfd_section **, struct bfd_section **);
+ (bfd *, struct bfd_link_info *, struct bfd_section **,
+ struct bfd_section **, struct bfd_section **);
/* Linux shared library support routines for the linker. */
(struct bfd_link_info *, const char *, bfd_vma, struct bfd_section *);
extern void _bfd_elf_provide_section_bound_symbols
- (struct bfd_link_info *, struct bfd_section *sec, const char *, const char *);
+ (struct bfd_link_info *, struct bfd_section *, const char *, const char *);
+
+extern void _bfd_elf_fix_excluded_sec_syms
+ (bfd *, struct bfd_link_info *);
extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs
- (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **);
+ (bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *,
+ char **);
/* SunOS shared library support routines for the linker. */
extern bfd_boolean bfd_sunos_record_link_assignment
(bfd *, struct bfd_link_info *, const char *);
extern bfd_boolean bfd_sunos_size_dynamic_sections
- (bfd *, struct bfd_link_info *, struct bfd_section **, struct bfd_section **, struct bfd_section **);
+ (bfd *, struct bfd_link_info *, struct bfd_section **,
+ struct bfd_section **, struct bfd_section **);
/* Linux shared library support routines for the linker. */
}
s = bfd_get_section_by_name (obfd, ".sbss");
- val = 0;
- _bfd_elf_provide_symbol (info, "__sbss_start", val, s);
- _bfd_elf_provide_symbol (info, "___sbss_start", val, s);
- if (s != NULL)
- val = s->size;
- _bfd_elf_provide_symbol (info, "__sbss_end", val, s);
- _bfd_elf_provide_symbol (info, "___sbss_end", val, s);
+ _bfd_elf_provide_section_bound_symbols (info, s,
+ "__sbss_start", "__sbss_end");
+ _bfd_elf_provide_section_bound_symbols (info, s,
+ "___sbss_start", "___sbss_end");
return TRUE;
}
\f
(asection *, struct bfd_link_info *, Elf_Internal_Rela *,
struct elf_link_hash_entry *h, Elf_Internal_Sym *);
- if (!info->gc_sections)
- return bfd_generic_gc_sections (abfd, info);
-
if (!get_elf_backend_data (abfd)->can_gc_sections
|| info->relocatable
|| info->emitrelocations
{
struct elf_link_hash_entry *h;
- h = elf_link_hash_lookup (elf_hash_table (info), name, FALSE, FALSE,
- FALSE);
+ h = elf_link_hash_lookup (elf_hash_table (info), name, FALSE, FALSE, FALSE);
if (h != NULL && !h->def_regular)
bfd_elf_set_symbol (h, val, s);
}
const char *start,
const char *end)
{
- struct elf_link_hash_entry *hs, *he;
- bfd_vma start_val, end_val;
- bfd_boolean do_start, do_end;
+ bfd_vma val = 0;
+ _bfd_elf_provide_symbol (info, start, val, sec);
+ if (sec != NULL)
+ val = sec->size;
+ _bfd_elf_provide_symbol (info, end, val, sec);
+}
- /* Check if we need them or not first. */
- hs = elf_link_hash_lookup (elf_hash_table (info), start, FALSE,
- FALSE, FALSE);
- do_start = hs != NULL && !hs->def_regular;
+/* Convert symbols in excluded output sections to absolute. */
- he = elf_link_hash_lookup (elf_hash_table (info), end, FALSE,
- FALSE, FALSE);
- do_end = he != NULL && !he->def_regular;
+static bfd_boolean
+fix_syms (struct bfd_link_hash_entry *h, void *data)
+{
+ bfd *obfd = (bfd *) data;
- if (!do_start && !do_end)
- return;
+ if (h->type == bfd_link_hash_warning)
+ h = h->u.i.link;
- if (sec != NULL)
+ if (h->type == bfd_link_hash_defined
+ || h->type == bfd_link_hash_defweak)
{
- start_val = sec->vma;
- end_val = start_val + sec->size;
- }
- else
- {
- /* We have to choose those values very carefully. Some targets,
- like alpha, may have relocation overflow with 0. "__bss_start"
- should be defined in all cases. */
- struct elf_link_hash_entry *h
- = elf_link_hash_lookup (elf_hash_table (info), "__bss_start",
- FALSE, FALSE, FALSE);
- if (h != NULL && h->root.type == bfd_link_hash_defined)
- start_val = h->root.u.def.value;
- else
- start_val = 0;
- end_val = start_val;
+ asection *s = h->u.def.section;
+ if (s != NULL
+ && s == s->output_section
+ && bfd_section_removed_from_list (obfd, s))
+ {
+ h->u.def.value += s->vma;
+ h->u.def.section = bfd_abs_section_ptr;
+ }
}
- if (do_start)
- bfd_elf_set_symbol (hs, start_val, NULL);
+ return TRUE;
+}
- if (do_end)
- bfd_elf_set_symbol (he, end_val, NULL);
+void
+_bfd_elf_fix_excluded_sec_syms (bfd *obfd, struct bfd_link_info *info)
+{
+ bfd_link_hash_traverse (info->hash, fix_syms, obfd);
}
return TRUE;
}
-/* Mark sections containing global symbols. This is called through
- bfd_link_hash_traverse. */
-
-static bfd_boolean
-bfd_mark_used_section (struct bfd_link_hash_entry *h,
- void *data ATTRIBUTE_UNUSED)
-{
- if (h->type == bfd_link_hash_warning)
- h = h->u.i.link;
-
- if (h->type == bfd_link_hash_defined
- || h->type == bfd_link_hash_defweak)
- {
- asection *s = h->u.def.section;
- if (s != NULL && s->output_section != NULL)
- s->output_section->flags |= SEC_KEEP;
- }
-
- return TRUE;
-}
-
/*
INTERNAL_FUNCTION
bfd_generic_gc_sections
DESCRIPTION
Provides default handling for relaxing for back ends which
- don't do section gc -- i.e., does nothing besides the special
- case for marking sections having global symbols.
+ don't do section gc -- i.e., does nothing.
*/
bfd_boolean
bfd_generic_gc_sections (bfd *abfd ATTRIBUTE_UNUSED,
- struct bfd_link_info *info)
+ struct bfd_link_info *info ATTRIBUTE_UNUSED)
{
- /* If called when info->gc_sections is 0, then mark all sections
- containing global symbols with SEC_KEEP. */
- if (!info->gc_sections && !info->relocatable)
- bfd_link_hash_traverse (info->hash, bfd_mark_used_section, NULL);
return TRUE;
}
+2005-07-14 Alan Modra <amodra@bigpond.net.au>
+
+ * ldlang.c (strip_excluded_output_sections): Don't call
+ bfd_gc_sections.
+ * emultempl/elf32.em (gld*_provide_bound_symbols): Move.
+ (gld*_provide_init_fini_syms): Move.
+ (gld*_before_allocation): Call the above from here..
+ (gld*_finish): ..not here. Call _bfd_elf_fix_excluded_sec_syms.
+ * emultempl/hppaelf.em (hppaelf_finish): Likewise.
+ * emultempl/ppc64elf.em (ppc_finish): Likewise.
+
2005-07-10 Ralf Corsepius <ralf.corsepius@rtems.org>
* configure.tgt: Remove sparc*-*-rtemsaout*, i[3-7]86-go32-rtems*,
static bfd_boolean gld${EMULATION_NAME}_place_orphan
(lang_input_statement_type *file, asection *s);
static void gld${EMULATION_NAME}_layout_sections_again (void);
-static void gld${EMULATION_NAME}_provide_init_fini_syms (void);
static void gld${EMULATION_NAME}_finish (void) ATTRIBUTE_UNUSED;
EOF
fi
cat >>e${EMULATION_NAME}.c <<EOF
+static void
+gld${EMULATION_NAME}_provide_bound_symbols (const char *sec,
+ const char *start,
+ const char *end)
+{
+ asection *s = bfd_get_section_by_name (output_bfd, sec);
+ _bfd_elf_provide_section_bound_symbols (&link_info, s, start, end);
+}
+
+/* If not building a shared library, provide
+
+ __preinit_array_start
+ __preinit_array_end
+ __init_array_start
+ __init_array_end
+ __fini_array_start
+ __fini_array_end
+
+ They are set here rather than via PROVIDE in the linker
+ script, because using PROVIDE inside an output section
+ statement results in unnecessary output sections. Using
+ PROVIDE outside an output section statement runs the risk of
+ section alignment affecting where the section starts. */
+
+static void
+gld${EMULATION_NAME}_provide_init_fini_syms (void)
+{
+ if (!link_info.relocatable && link_info.executable)
+ {
+ gld${EMULATION_NAME}_provide_bound_symbols (".preinit_array",
+ "__preinit_array_start",
+ "__preinit_array_end");
+ gld${EMULATION_NAME}_provide_bound_symbols (".init_array",
+ "__init_array_start",
+ "__init_array_end");
+ gld${EMULATION_NAME}_provide_bound_symbols (".fini_array",
+ "__fini_array_start",
+ "__fini_array_end");
+ }
+}
+
/* This is called after the sections have been attached to output
sections, but before any sizes or addresses have been set. */
referred to by dynamic objects. */
lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment);
+ gld${EMULATION_NAME}_provide_init_fini_syms ();
+
/* Let the ELF backend work out the sizes of any sections required
by dynamic linking. */
rpath = command_line.rpath;
if test x"$LDEMUL_FINISH" != xgld"$EMULATION_NAME"_finish; then
cat >>e${EMULATION_NAME}.c <<EOF
-static void
-gld${EMULATION_NAME}_provide_bound_symbols (const char *sec,
- const char *start,
- const char *end)
-{
- asection *s = bfd_get_section_by_name (output_bfd, sec);
- if (s && bfd_section_removed_from_list (output_bfd, s))
- s = NULL;
- _bfd_elf_provide_section_bound_symbols (&link_info, s, start, end);
-}
-
-/* If not building a shared library, provide
-
- __preinit_array_start
- __preinit_array_end
- __init_array_start
- __init_array_end
- __fini_array_start
- __fini_array_end
-
- They are set here rather than via PROVIDE in the linker
- script, because using PROVIDE inside an output section
- statement results in unnecessary output sections. Using
- PROVIDE outside an output section statement runs the risk of
- section alignment affecting where the section starts. */
-
-static void
-gld${EMULATION_NAME}_provide_init_fini_syms (void)
-{
- if (!link_info.relocatable && link_info.executable)
- {
- gld${EMULATION_NAME}_provide_bound_symbols (".preinit_array",
- "__preinit_array_start",
- "__preinit_array_end");
- gld${EMULATION_NAME}_provide_bound_symbols (".init_array",
- "__init_array_start",
- "__init_array_end");
- gld${EMULATION_NAME}_provide_bound_symbols (".fini_array",
- "__fini_array_start",
- "__fini_array_end");
- }
-}
-
static void
gld${EMULATION_NAME}_layout_sections_again (void)
{
if (bfd_elf_discard_info (output_bfd, &link_info))
gld${EMULATION_NAME}_layout_sections_again ();
- gld${EMULATION_NAME}_provide_init_fini_syms ();
+ _bfd_elf_fix_excluded_sec_syms (output_bfd, &link_info);
}
EOF
fi
}
}
- gld${EMULATION_NAME}_provide_init_fini_syms ();
+ _bfd_elf_fix_excluded_sec_syms (output_bfd, &link_info);
}
}
ppc64_elf_restore_symbols (&link_info);
- gld${EMULATION_NAME}_provide_init_fini_syms ();
+ _bfd_elf_fix_excluded_sec_syms (output_bfd, &link_info);
}
strip_excluded_output_sections (void)
{
lang_output_section_statement_type *os;
- unsigned int gc_sections;
/* Run lang_size_sections (if not already done) to ensure that all
symbols defined in the linker script are put in the bfd hash
lang_reset_memory_regions ();
}
- /* Now call into bfd_gc_sections to mark all sections defining global
- symbols with SEC_KEEP. */
- gc_sections = link_info.gc_sections;
- link_info.gc_sections = 0;
- bfd_gc_sections (output_bfd, &link_info);
- link_info.gc_sections = gc_sections;
-
for (os = &lang_output_section_statement.head->output_section_statement;
os != NULL;
os = os->next)
projects / binutils-gdb.git / commitdiff