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Forward relocs to output if -Bshared

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This commit is contained in:
Michael Meissner 1996-04-26 16:36:14 +00:00
parent f9e36fc627
commit e25a798839
2 changed files with 84 additions and 38 deletions
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6
bfd/ChangeLog
View file

@ -1,3 +1,9 @@
Fri Apr 26 12:34:29 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* elf32-ppc.c (ppc_elf_check_relocs): Forward relocations to the
output file if linking shared objects. Loop to check all relocs,
rather than returning false on first error.
Thu Apr 25 13:25:12 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* elf32-ppc.c (ppc_elf_create_linker_section): Add PLT case.

124
bfd/elf32-ppc.c
View file

@ -1774,6 +1774,7 @@ ppc_elf_check_relocs (abfd, info, sec, relocs)
asection *sec;
const Elf_Internal_Rela *relocs;
{
boolean ret = true;
bfd *dynobj;
Elf_Internal_Shdr *symtab_hdr;
struct elf_link_hash_entry **sym_hashes;
@ -1800,7 +1801,7 @@ ppc_elf_check_relocs (abfd, info, sec, relocs)
{
got = ppc_elf_create_linker_section (abfd, info, LINKER_SECTION_GOT);
if (!got)
return false;
ret = false;
}
#if 0
@ -1808,7 +1809,7 @@ ppc_elf_check_relocs (abfd, info, sec, relocs)
{
plt = ppc_elf_create_linker_section (abfd, info, LINKER_SECTION_PLT);
if (!plt)
return false;
ret = false;
}
#endif
@ -1816,7 +1817,7 @@ ppc_elf_check_relocs (abfd, info, sec, relocs)
{
sdata = ppc_elf_create_linker_section (abfd, info, LINKER_SECTION_SDATA);
if (!sdata)
return false;
ret = false;
}
@ -1824,7 +1825,7 @@ ppc_elf_check_relocs (abfd, info, sec, relocs)
{
sdata2 = ppc_elf_create_linker_section (abfd, info, LINKER_SECTION_SDATA2);
if (!sdata2)
return false;
ret = false;
}
dynobj = elf_hash_table (info)->dynobj;
@ -1847,9 +1848,6 @@ ppc_elf_check_relocs (abfd, info, sec, relocs)
switch (ELF32_R_TYPE (rel->r_info))
{
default:
break;
/* GOT16 relocations */
case R_PPC_GOT16:
case R_PPC_GOT16_LO:
@ -1858,27 +1856,51 @@ ppc_elf_check_relocs (abfd, info, sec, relocs)
if (got->rel_section == NULL
&& (h != NULL || info->shared)
&& !_bfd_elf_make_linker_section_rela (dynobj, got, 2))
return false;
{
ret = false;
break;
}
if (!bfd_elf32_create_pointer_linker_section (abfd, info, got, h, rel))
return false;
ret = false;
break;
/* Indirect .sdata relocation */
case R_PPC_EMB_SDAI16:
if (info->shared)
{
(*_bfd_error_handler) ("%s: relocation %s cannot be used when making a shared object",
bfd_get_filename (abfd),
"R_PPC_EMB_SDAI16");
ret = false;
break;
}
if (got->rel_section == NULL
&& (h != NULL || info->shared)
&& !_bfd_elf_make_linker_section_rela (dynobj, got, 2))
return false;
{
ret = false;
break;
}
if (!bfd_elf32_create_pointer_linker_section (abfd, info, sdata, h, rel))
return false;
ret = false;
break;
/* Indirect .sdata2 relocation */
case R_PPC_EMB_SDA2I16:
if (info->shared)
{
(*_bfd_error_handler) ("%s: relocation %s cannot be used when making a shared object",
bfd_get_filename (abfd),
"R_PPC_EMB_SDA2I16");
ret = false;
break;
}
if (got->rel_section == NULL
&& (h != NULL || info->shared)
&& !_bfd_elf_make_linker_section_rela (dynobj, got, 2))
@ -1889,6 +1911,18 @@ ppc_elf_check_relocs (abfd, info, sec, relocs)
break;
case R_PPC_SDAREL16:
case R_PPC_EMB_SDA2REL:
case R_PPC_EMB_SDA21:
if (info->shared)
{
(*_bfd_error_handler) ("%s: relocation %s cannot be used when making a shared object",
bfd_get_filename (abfd),
ppc_elf_howto_table[(int)ELF32_R_TYPE (rel->r_info)]->name);
ret = false;
}
break;
case R_PPC_PLT32:
case R_PPC_PLTREL24:
case R_PPC_PLT16_LO:
@ -1908,48 +1942,49 @@ ppc_elf_check_relocs (abfd, info, sec, relocs)
/* It does not make sense to have a procedure linkage
table entry for a local symbol. */
bfd_set_error (bfd_error_bad_value);
return false;
ret = false;
break;
}
/* Make sure this symbol is output as a dynamic symbol. */
if (h->dynindx == -1)
{
if (! bfd_elf32_link_record_dynamic_symbol (info, h))
return false;
{
ret = false;
break;
}
}
h->elf_link_hash_flags |= ELF_LINK_HASH_NEEDS_PLT;
break;
#if 0
case R_SPARC_PC10:
case R_SPARC_PC22:
if (h != NULL
&& strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
/* the following relocations don't need to propigate the relocation if
linking a shared object since they are section relative. */
case R_PPC_SECTOFF:
case R_PPC_SECTOFF_LO:
case R_PPC_SECTOFF_HI:
case R_PPC_SECTOFF_HA:
break;
/* Fall through. */
case R_SPARC_DISP8:
case R_SPARC_DISP16:
case R_SPARC_DISP32:
case R_SPARC_WDISP30:
case R_SPARC_WDISP22:
if (h == NULL)
break;
/* Fall through. */
case R_SPARC_8:
case R_SPARC_16:
case R_SPARC_32:
case R_SPARC_HI22:
case R_SPARC_22:
case R_SPARC_13:
case R_SPARC_LO10:
case R_SPARC_UA32:
if (info->shared
&& (sec->flags & SEC_ALLOC) != 0)
{
/* When creating a shared object, we must copy these
relocs into the output file. We create a reloc
section in dynobj and make room for the reloc. */
case R_PPC_REL24:
if (h != NULL
&& strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
break;
case R_PPC_REL14:
case R_PPC_REL14_BRTAKEN:
case R_PPC_REL14_BRNTAKEN:
if (h == NULL)
break;
default:
if (info->shared
&& (sec->flags & SEC_ALLOC) != 0)
{
if (sreloc == NULL)
{
const char *name;
@ -1959,7 +1994,10 @@ ppc_elf_check_relocs (abfd, info, sec, relocs)
elf_elfheader (abfd)->e_shstrndx,
elf_section_data (sec)->rel_hdr.sh_name));
if (name == NULL)
return false;
{
ret = false;
break;
}
BFD_ASSERT (strncmp (name, ".rela", 5) == 0
&& strcmp (bfd_get_section_name (abfd, sec),
@ -1977,7 +2015,10 @@ ppc_elf_check_relocs (abfd, info, sec, relocs)
| SEC_IN_MEMORY
| SEC_READONLY))
|| ! bfd_set_section_alignment (dynobj, sreloc, 2))
return false;
{
ret = false;
break;
}
}
}
@ -1985,11 +2026,10 @@ ppc_elf_check_relocs (abfd, info, sec, relocs)
}
break;
#endif
}
}
return true;
return ret;
}