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binutils-gdb
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* libelf.h (ELF_LINK_HASH_DEFINED_WEAK): Define. 

* elfcode.h (elf_link_add_object_symbols): If symbol is defined as
	weak, set ELF_LINK_HASH_DEFINED_WEAK.
	(elf_link_output_extsym): If symbol is defined as weak, mark it
	STB_WEAK.
This commit is contained in:
Ian Lance Taylor 1994-07-17 02:15:24 +00:00
parent ea61717495
commit bf73e4f3fe
3 changed files with 25 additions and 2 deletions
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6
bfd/ChangeLog
View File

@ -1,5 +1,11 @@
Sat Jul 16 21:10:39 1994 Ian Lance Taylor (ian@sanguine.cygnus.com)
* libelf.h (ELF_LINK_HASH_DEFINED_WEAK): Define.
* elfcode.h (elf_link_add_object_symbols): If symbol is defined as
weak, set ELF_LINK_HASH_DEFINED_WEAK.
(elf_link_output_extsym): If symbol is defined as weak, mark it
STB_WEAK.
* libelf.h (struct bfd_elf_section_data): Add relocs field.
(shdr_name): Remove; unused.
* elfcode.h (elf_slurp_reloc_table): Rewrote to handle both REL

19
bfd/elfcode.h
View File

@ -4286,7 +4286,19 @@ elf_link_add_object_symbols (abfd, info)
with the new definition. */
h->root.type = bfd_link_hash_undefined;
h->root.u.undef.abfd = h->root.u.def.section->owner;
h->elf_link_hash_flags &=~ ELF_LINK_HASH_DEFINED_WEAK;
}
/* If this is a weak definition which we are going to use,
and the symbol is currently undefined, record that the
definition is weak. */
if (definition
&& (flags & BSF_WEAK) != 0
&& ! bfd_is_und_section (sec)
&& (h->root.type == bfd_link_hash_new
|| h->root.type == bfd_link_hash_undefined
|| h->root.type == bfd_link_hash_weak))
h->elf_link_hash_flags |= ELF_LINK_HASH_DEFINED_WEAK;
}
if (! (_bfd_generic_link_add_one_symbol
@ -5613,8 +5625,12 @@ elf_link_output_extsym (h, data)
sym.st_value = 0;
sym.st_size = h->size;
sym.st_info = ELF_ST_INFO (STB_GLOBAL, h->type);
sym.st_other = 0;
if (h->root.type == bfd_link_hash_weak
|| (h->elf_link_hash_flags & ELF_LINK_HASH_DEFINED_WEAK) != 0)
sym.st_info = ELF_ST_INFO (STB_WEAK, h->type);
else
sym.st_info = ELF_ST_INFO (STB_GLOBAL, h->type);
switch (h->root.type)
{
@ -5631,7 +5647,6 @@ elf_link_output_extsym (h, data)
case bfd_link_hash_weak:
input_sec = bfd_und_section_ptr;
sym.st_shndx = SHN_UNDEF;
sym.st_info = ELF_ST_INFO (STB_WEAK, h->type);
break;
case bfd_link_hash_defined:

2
bfd/libelf.h
View File

@ -111,6 +111,8 @@ struct elf_link_hash_entry
#define ELF_LINK_HASH_DEF_DYNAMIC_MULTIPLE 040
/* Dynamic symbol has been adjustd. */
#define ELF_LINK_HASH_DYNAMIC_ADJUSTED 0100
/* Symbol is defined as weak. */
#define ELF_LINK_HASH_DEFINED_WEAK 0200
};
/* ELF linker hash table. */