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Wed Feb 14 16:29:07 1996 Martin Anantharaman <martin@mail.imech.uni-duisburg.de>

Browse source 
* syms.c (stt): Add entries for zerovars, vars, and code.

	* elfcode.h (validate_reloc): New static function.
	(write_relocs): Call validate_reloc for non ELF relocs.

	* elfxx-target.h (elf_symbol_leading_char): Define if not defined.
	(TARGET_BIG_SYM): Use elf_symbol_leading_char.
	(TARGET_LITTLE_SYM): Likewise.

	* config.bfd (m68*-*-psos*): New target.
This commit is contained in:
Ian Lance Taylor 1996-02-14 21:32:24 +00:00
parent 90e5f484e5
commit c9e5279f23
2 changed files with 135 additions and 1 deletions
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13
bfd/ChangeLog
View file

@ -1,3 +1,16 @@
Wed Feb 14 16:29:07 1996 Martin Anantharaman <martin@mail.imech.uni-duisburg.de>
* syms.c (stt): Add entries for zerovars, vars, and code.
* elfcode.h (validate_reloc): New static function.
(write_relocs): Call validate_reloc for non ELF relocs.
* elfxx-target.h (elf_symbol_leading_char): Define if not defined.
(TARGET_BIG_SYM): Use elf_symbol_leading_char.
(TARGET_LITTLE_SYM): Likewise.
* config.bfd (m68*-*-psos*): New target.
Tue Feb 13 15:56:22 1996 Bryan Ford <baford@snake.cs.utah.edu>
* i386msdos.c: Remove some #if 0 code.

123
bfd/elfcode.h
View file

@ -119,6 +119,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
NAME(bfd_elf,link_create_dynamic_sections)
#define elf_link_record_dynamic_symbol _bfd_elf_link_record_dynamic_symbol
#define elf_bfd_final_link NAME(bfd_elf,bfd_final_link)
#define elf_create_pointer_linker_section NAME(bfd_elf,create_pointer_linker_section)
#define elf_finish_pointer_linker_section NAME(bfd_elf,finish_pointer_linker_section)
#if ARCH_SIZE == 64
#define ELF_R_INFO(X,Y) ELF64_R_INFO(X,Y)
@ -153,6 +155,7 @@ static boolean elf_slurp_reloc_table PARAMS ((bfd *, asection *, asymbol **));
int _bfd_elf_symbol_from_bfd_symbol PARAMS ((bfd *,
struct symbol_cache_entry **));
static boolean validate_reloc PARAMS ((bfd *, arelent *));
static void write_relocs PARAMS ((bfd *, asection *, PTR));
boolean bfd_section_from_shdr PARAMS ((bfd *, unsigned int shindex));
@ -658,9 +661,108 @@ got_no_match:
return (NULL);
}
/* ELF .o/exec file writing */
/* Try to convert a non-ELF reloc into an ELF one. */
static boolean
validate_reloc (abfd, areloc)
bfd *abfd;
arelent *areloc;
{
/* Check whether we really have an ELF howto. */
if ((*areloc->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec)
{
bfd_reloc_code_real_type code;
reloc_howto_type *howto;
/* Alien reloc: Try to determine its type to replace it with an
equivalent ELF reloc. */
if (areloc->howto->pc_relative)
{
switch (areloc->howto->bitsize)
{
case 8:
code = BFD_RELOC_8_PCREL;
break;
case 12:
code = BFD_RELOC_12_PCREL;
break;
case 16:
code = BFD_RELOC_16_PCREL;
break;
case 24:
code = BFD_RELOC_24_PCREL;
break;
case 32:
code = BFD_RELOC_32_PCREL;
break;
case 64:
code = BFD_RELOC_64_PCREL;
break;
default:
goto fail;
}
howto = bfd_reloc_type_lookup (abfd, code);
if (areloc->howto->pcrel_offset != howto->pcrel_offset)
{
if (howto->pcrel_offset)
areloc->addend += areloc->address;
else
areloc->addend -= areloc->address; /* addend is unsigned!! */
}
}
else
{
switch (areloc->howto->bitsize)
{
case 8:
code = BFD_RELOC_8;
break;
case 14:
code = BFD_RELOC_14;
break;
case 16:
code = BFD_RELOC_16;
break;
case 26:
code = BFD_RELOC_26;
break;
case 32:
code = BFD_RELOC_32;
break;
case 64:
code = BFD_RELOC_64;
break;
default:
goto fail;
}
howto = bfd_reloc_type_lookup (abfd, code);
}
if (howto)
areloc->howto = howto;
else
goto fail;
}
return true;
fail:
(*_bfd_error_handler)
("%s: unsupported relocation type %s",
bfd_get_filename (abfd), areloc->howto->name);
bfd_set_error (bfd_error_bad_value);
return false;
}
/* Write out the relocs. */
static void
write_relocs (abfd, sec, data)
bfd *abfd;
@ -732,6 +834,14 @@ write_relocs (abfd, sec, data)
last_sym = sym;
last_sym_idx = n = _bfd_elf_symbol_from_bfd_symbol (abfd, &sym);
}
if ((*areloc->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec
&& ! validate_reloc (abfd, ptr))
{
*failedp = true;
return;
}
dst_rela.r_info = ELF_R_INFO (n, ptr->howto->type);
dst_rela.r_addend = ptr->addend;
@ -770,6 +880,14 @@ write_relocs (abfd, sec, data)
last_sym = sym;
last_sym_idx = n = _bfd_elf_symbol_from_bfd_symbol (abfd, &sym);
}
if ((*areloc->sym_ptr_ptr)->the_bfd->xvec != abfd->xvec
&& ! validate_reloc (abfd, ptr))
{
*failedp = true;
return;
}
dst_rel.r_info = ELF_R_INFO (n, ptr->howto->type);
elf_swap_reloc_out (abfd, &dst_rel, src_rel);
@ -974,6 +1092,9 @@ elf_slurp_symbol_table (abfd, symptrs, dynamic)
case STT_FUNC:
sym->symbol.flags |= BSF_FUNCTION;
break;
case STT_OBJECT:
sym->symbol.flags |= BSF_OBJECT;
break;
}
if (dynamic)