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* elf32-m68hc11.c (m68hc11_elf_relax_section): Update symbols 

handling to use Elf_Internal_Sym.
	(m68hc11_elf_relax_delete_bytes): Likewise.
jimb-dwarf-compression-021023-branch
Stephane Carrez 24 years ago
parent
49181a6af7
commit
1f4c5b4746
2 changed files with 35 additions and 70 deletions
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  1. 6
      bfd/ChangeLog
  2. 99
      bfd/elf32-m68hc11.c

6
bfd/ChangeLog
View File

@ -1,3 +1,9 @@
2002-10-12 Stephane Carrez <stcarrez@nerim.fr>
* elf32-m68hc11.c (m68hc11_elf_relax_section): Update symbols
handling to use Elf_Internal_Sym.
(m68hc11_elf_relax_delete_bytes): Likewise.
2002-10-11 Kaz Kojima <kkojima@rr.iij4u.or.jp>
* elf32-sh.c (sh_elf_optimized_tls_reloc, sh_elf_mkobject,

99
bfd/elf32-m68hc11.c
View File

@ -646,12 +646,11 @@ m68hc11_elf_relax_section (abfd, sec, link_info, again)
Elf_Internal_Rela *irel, *irelend;
bfd_byte *contents = NULL;
bfd_byte *free_contents = NULL;
Elf32_External_Sym *extsyms = NULL;
Elf32_External_Sym *free_extsyms = NULL;
Elf_Internal_Rela *prev_insn_branch = NULL;
Elf_Internal_Rela *prev_insn_group = NULL;
unsigned insn_group_value = 0;
Elf_External_Sym_Shndx *shndx_buf = NULL;
Elf_Internal_Sym *isymbuf = NULL;
/* Assume nothing changes. */
*again = false;
@ -693,7 +692,7 @@ m68hc11_elf_relax_section (abfd, sec, link_info, again)
{
bfd_vma symval;
bfd_vma value;
Elf_Internal_Sym isym;
Elf_Internal_Sym *isym;
/* If this isn't something that can be relaxed, then ignore
this reloc. */
@ -777,53 +776,26 @@ m68hc11_elf_relax_section (abfd, sec, link_info, again)
}
/* Read this BFD's symbols if we haven't done so already. */
if (extsyms == NULL)
if (isymbuf == NULL && symtab_hdr->sh_info != 0)
{
/* Get cached copy if it exists. */
if (symtab_hdr->contents != NULL)
extsyms = (Elf32_External_Sym *) symtab_hdr->contents;
else
{
/* Go get them off disk. */
bfd_size_type amt = symtab_hdr->sh_size;
extsyms = (Elf32_External_Sym *) bfd_malloc (amt);
if (extsyms == NULL)
goto error_return;
free_extsyms = extsyms;
if (bfd_seek (abfd, symtab_hdr->sh_offset, SEEK_SET) != 0
|| bfd_bread ((PTR) extsyms, amt, abfd) != amt)
goto error_return;
}
if (shndx_hdr->sh_size != 0)
{
bfd_size_type amt;
amt = symtab_hdr->sh_info * sizeof (Elf_External_Sym_Shndx);
shndx_buf = (Elf_External_Sym_Shndx *) bfd_malloc (amt);
if (shndx_buf == NULL)
goto error_return;
if (bfd_seek (abfd, shndx_hdr->sh_offset, SEEK_SET) != 0
|| bfd_bread ((PTR) shndx_buf, amt, abfd) != amt)
goto error_return;
shndx_hdr->contents = (PTR) shndx_buf;
}
isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
if (isymbuf == NULL)
isymbuf = bfd_elf_get_elf_syms (abfd, symtab_hdr,
symtab_hdr->sh_info, 0,
NULL, NULL, NULL);
if (isymbuf == NULL)
goto error_return;
}
/* Get the value of the symbol referred to by the reloc. */
if (ELF32_R_SYM (irel->r_info) < symtab_hdr->sh_info)
{
Elf32_External_Sym *esym;
Elf_External_Sym_Shndx *shndx;
asection *sym_sec;
/* A local symbol. */
esym = extsyms + ELF32_R_SYM (irel->r_info);
shndx = shndx_buf + (shndx_buf ? ELF32_R_SYM (irel->r_info) : 0);
bfd_elf32_swap_symbol_in (abfd, esym, shndx, &isym);
asection *sym_sec;
sym_sec = bfd_section_from_elf_index (abfd, isym.st_shndx);
symval = (isym.st_value
isym = isymbuf + ELF32_R_SYM (irel->r_info);
sym_sec = bfd_section_from_elf_index (abfd, isym->st_shndx);
symval = (isym->st_value
+ sym_sec->output_section->vma
+ sym_sec->output_offset);
}
@ -862,7 +834,7 @@ m68hc11_elf_relax_section (abfd, sec, link_info, again)
continue;
prev_insn_group = irel;
insn_group_value = isym.st_value;
insn_group_value = isym->st_value;
continue;
}
@ -939,7 +911,7 @@ m68hc11_elf_relax_section (abfd, sec, link_info, again)
elf_section_data (sec)->this_hdr.contents = contents;
free_contents = NULL;
symtab_hdr->contents = (bfd_byte *) extsyms;
symtab_hdr->contents = (bfd_byte *) isymbuf;
free_extsyms = NULL;
m68hc11_relax_group (abfd, sec, contents, offset,
@ -968,7 +940,7 @@ m68hc11_elf_relax_section (abfd, sec, link_info, again)
elf_section_data (sec)->this_hdr.contents = contents;
free_contents = NULL;
symtab_hdr->contents = (bfd_byte *) extsyms;
symtab_hdr->contents = (bfd_byte *) isymbuf;
free_extsyms = NULL;
/* Fix the opcode. */
@ -1014,7 +986,7 @@ m68hc11_elf_relax_section (abfd, sec, link_info, again)
elf_section_data (sec)->this_hdr.contents = contents;
free_contents = NULL;
symtab_hdr->contents = (bfd_byte *) extsyms;
symtab_hdr->contents = (bfd_byte *) isymbuf;
free_extsyms = NULL;
/* Shrink the branch. */
@ -1058,7 +1030,7 @@ m68hc11_elf_relax_section (abfd, sec, link_info, again)
else
{
/* Cache the symbols for elf_link_input_bfd. */
symtab_hdr->contents = (unsigned char *) extsyms;
symtab_hdr->contents = (unsigned char *) isymbuf;
}
free_extsyms = NULL;
}
@ -1085,20 +1057,17 @@ m68hc11_elf_relax_delete_bytes (abfd, sec, addr, count)
int count;
{
Elf_Internal_Shdr *symtab_hdr;
Elf_Internal_Shdr *shndx_hdr;
Elf32_External_Sym *extsyms;
unsigned int sec_shndx;
Elf_External_Sym_Shndx *shndx;
bfd_byte *contents;
Elf_Internal_Rela *irel, *irelend;
bfd_vma toaddr;
Elf32_External_Sym *esym, *esymend;
Elf_Internal_Sym *isymbuf, *isym, *isymend;
struct elf_link_hash_entry **sym_hashes;
struct elf_link_hash_entry **end_hashes;
unsigned int symcount;
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
extsyms = (Elf32_External_Sym *) symtab_hdr->contents;
isymbuf = (Elf_Internal_Sym *) symtab_hdr->contents;
sec_shndx = _bfd_elf_section_from_bfd_section (abfd, sec);
@ -1112,8 +1081,9 @@ m68hc11_elf_relax_delete_bytes (abfd, sec, addr, count)
/* Actually delete the bytes. */
memmove (contents + addr, contents + addr + count,
(size_t) (toaddr - addr - count));
sec->_cooked_size -= count;
sec->_cooked_size -= count;
/* Adjust all the relocs. */
for (irel = elf_section_data (sec)->relocs; irel < irelend; irel++)
{
@ -1212,24 +1182,13 @@ m68hc11_elf_relax_delete_bytes (abfd, sec, addr, count)
}
/* Adjust the local symbols defined in this section. */
shndx_hdr = &elf_tdata (abfd)->symtab_shndx_hdr;
shndx = (Elf_External_Sym_Shndx *) shndx_hdr->contents;
esym = extsyms;
esymend = esym + symtab_hdr->sh_info;
for (; esym < esymend; esym++, shndx = (shndx ? shndx + 1 : NULL))
isymend = isymbuf + symtab_hdr->sh_info;
for (isym = isymbuf; isym < isymend; isym++)
{
Elf_Internal_Sym isym;
Elf_External_Sym_Shndx dummy;
bfd_elf32_swap_symbol_in (abfd, esym, shndx, &isym);
if (isym.st_shndx == sec_shndx
&& isym.st_value > addr
&& isym.st_value < toaddr)
{
isym.st_value -= count;
bfd_elf32_swap_symbol_out (abfd, &isym, esym, &dummy);
}
if (isym->st_shndx == sec_shndx
&& isym->st_value > addr
&& isym->st_value < toaddr)
isym->st_value -= count;
}
/* Now adjust the global symbols defined in this section. */

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