+2005-03-22 H.J. Lu <hongjiu.lu@intel.com>
+
+ * bfd-in.h (_bfd_elf_provide_symbol): New.
+ * bfd-in2.h: Regenerated.
+
+ * elf32-ppc.c (set_linker_sym): Moved to elflink.c.
+ (ppc_elf_set_sdata_syms): Call _bfd_elf_provide_symbol instead
+ of set_linker_sym.
+
+ * elflink.c (_bfd_elf_provide_symbol): New. Moved and renamed
+ from elf32-ppc.c.
+
2005-03-22 Hans-Peter Nilsson <hp@axis.com>
* hash.c (strtab_hash_newfunc): Fix typo in allocated size.
extern struct bfd_section *_bfd_elf_tls_setup
(bfd *, struct bfd_link_info *);
+extern void _bfd_elf_provide_symbol
+ (struct bfd_link_info *, const char *, bfd_vma);
+
extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs
(bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **);
extern struct bfd_section *_bfd_elf_tls_setup
(bfd *, struct bfd_link_info *);
+extern void _bfd_elf_provide_symbol
+ (struct bfd_link_info *, const char *, bfd_vma);
+
extern bfd_boolean bfd_m68k_elf32_create_embedded_relocs
(bfd *, struct bfd_link_info *, struct bfd_section *, struct bfd_section *, char **);
return FALSE;
}
\f
-/* Set SYM_NAME to VAL if the symbol exists and is undefined. */
-
-static void
-set_linker_sym (struct ppc_elf_link_hash_table *htab,
- const char *sym_name,
- bfd_vma val)
-{
- struct elf_link_hash_entry *h;
- h = elf_link_hash_lookup (&htab->elf, sym_name, FALSE, FALSE, FALSE);
- if (h != NULL && h->root.type == bfd_link_hash_undefined)
- {
- h->root.type = bfd_link_hash_defined;
- h->root.u.def.section = bfd_abs_section_ptr;
- h->root.u.def.value = val;
- h->def_regular = 1;
- h->type = STT_OBJECT;
- h->other = STV_HIDDEN;
- }
-}
-
/* Set _SDA_BASE_, _SDA2_BASE, and sbss start and end syms. They are
set here rather than via PROVIDE in the default linker script,
because using PROVIDE inside an output section statement results in
val = s->vma + 32768;
lsect->sym_val = val;
- set_linker_sym (htab, lsect->sym_name, val);
+ _bfd_elf_provide_symbol (info, lsect->sym_name, val);
}
s = bfd_get_section_by_name (obfd, ".sbss");
val = 0;
if (s != NULL)
val = s->vma;
- set_linker_sym (htab, "__sbss_start", val);
- set_linker_sym (htab, "___sbss_start", val);
+ _bfd_elf_provide_symbol (info, "__sbss_start", val);
+ _bfd_elf_provide_symbol (info, "___sbss_start", val);
if (s != NULL)
val += s->size;
- set_linker_sym (htab, "__sbss_end", val);
- set_linker_sym (htab, "___sbss_end", val);
+ _bfd_elf_provide_symbol (info, "__sbss_end", val);
+ _bfd_elf_provide_symbol (info, "___sbss_end", val);
return TRUE;
}
\f
/* This is the first section with this name. Record it. */
bfd_section_already_linked_table_insert (already_linked_list, sec);
}
+
+/* Set NAME to VAL if the symbol exists and is undefined. */
+
+void
+_bfd_elf_provide_symbol (struct bfd_link_info *info, const char *name,
+ bfd_vma val)
+{
+ struct elf_link_hash_entry *h;
+ h = elf_link_hash_lookup (elf_hash_table (info), name, FALSE, FALSE,
+ FALSE);
+ if (h != NULL && h->root.type == bfd_link_hash_undefined)
+ {
+ h->root.type = bfd_link_hash_defined;
+ h->root.u.def.section = bfd_abs_section_ptr;
+ h->root.u.def.value = val;
+ h->def_regular = 1;
+ h->type = STT_OBJECT;
+ h->other = STV_HIDDEN | (h->other & ~ ELF_ST_VISIBILITY (-1));
+ h->forced_local = 1;
+ }
+}
+2005-03-22 H.J. Lu <hongjiu.lu@intel.com>
+
+ * emultempl/elf32.em (gld${EMULATION_NAME}_provide_bound_symbols): New
+ (gld${EMULATION_NAME}_finish): Call
+ gld${EMULATION_NAME}_provide_bound_symbols to provide
+ __preinit_array_start, __preinit_array_end, __init_array_start,
+ __init_array_end, __fini_array_start and __fini_array_end.
+
+ * scripttempl/elf.sc: Don't provide __preinit_array_start,
+ __preinit_array_end, __init_array_start, __init_array_end,
+ __fini_array_start nor __fini_array_end.
+
2005-03-23 Alan Modra <amodra@bigpond.net.au>
* emultempl/elf32.em (gld${EMULATION_NAME}_before_allocation): Set
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_vma start_val, end_val;
+
+ s = bfd_get_section_by_name (output_bfd, sec);
+ if (s != NULL)
+ {
+ start_val = s->vma;
+ end_val = start_val + s->size;
+ }
+ else
+ {
+ start_val = 0;
+ end_val = 0;
+ }
+ _bfd_elf_provide_symbol (&link_info, start, start_val);
+ _bfd_elf_provide_symbol (&link_info, end, end_val);
+}
+
static void
gld${EMULATION_NAME}_finish (void)
{
}
}
}
+
+ /* If not building shared library, provide
+
+ __preinit_array_start
+ __preinit_array_end
+ __init_array_start
+ __init_array_end
+ __fini_array_start
+ __fini_array_end
+
+ They are set here rather than via PROVIDE in the linker
+ script, because using PROVIDE inside an output section
+ statement results in unnecessary output sections. Using
+ PROVIDE outside an output section statement runs the risk of
+ section alignment affecting where the section starts. */
+
+ if (!link_info.shared)
+ {
+ gld${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");
+ }
}
}
EOF
.tdata ${RELOCATING-0} : { *(.tdata${RELOCATING+ .tdata.* .gnu.linkonce.td.*}) }
.tbss ${RELOCATING-0} : { *(.tbss${RELOCATING+ .tbss.* .gnu.linkonce.tb.*})${RELOCATING+ *(.tcommon)} }
- /* Ensure the __preinit_array_start label is properly aligned. We
- could instead move the label definition inside the section, but
- the linker would then create the section even if it turns out to
- be empty, which isn't pretty. */
- ${RELOCATING+. = ALIGN(${ALIGNMENT});}
- ${RELOCATING+${CREATE_SHLIB-PROVIDE (__preinit_array_start = .);}}
.preinit_array ${RELOCATING-0} : { KEEP (*(.preinit_array)) }
- ${RELOCATING+${CREATE_SHLIB-PROVIDE (__preinit_array_end = .);}}
-
- ${RELOCATING+${CREATE_SHLIB-PROVIDE (__init_array_start = .);}}
.init_array ${RELOCATING-0} : { KEEP (*(.init_array)) }
- ${RELOCATING+${CREATE_SHLIB-PROVIDE (__init_array_end = .);}}
-
- ${RELOCATING+${CREATE_SHLIB-PROVIDE (__fini_array_start = .);}}
.fini_array ${RELOCATING-0} : { KEEP (*(.fini_array)) }
- ${RELOCATING+${CREATE_SHLIB-PROVIDE (__fini_array_end = .);}}
${SMALL_DATA_CTOR-${RELOCATING+${CTOR}}}
${SMALL_DATA_DTOR-${RELOCATING+${DTOR}}}
projects / binutils-gdb.git / commitdiff