espressif/binutils-gdb
1
0
Fork 0
mirror of https://github.com/espressif/binutils-gdb.git synced 2025-06-28 23:39:35 +08:00
Code Issues Packages Projects Releases Wiki Activity

* elf64-ppc.c (ppc64_elf_relocate_section): Adjust relocs against

Browse Source 
opd section sym when opd has been edited.  Use correct addend
	when determining branch 'y' bit and branch overflow.  Adjust and
	save opd relocs for ld -r too.
This commit is contained in:
Alan Modra
2005-12-31 12:55:10 +00:00
parent 86324f906b
commit 4cc603a56e
2 changed files with 37 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
bfd/ChangeLog
View File

@ -1,3 +1,10 @@
2005-12-31 Alan Modra <amodra@bigpond.net.au>
* elf64-ppc.c (ppc64_elf_relocate_section): Adjust relocs against
opd section sym when opd has been edited. Use correct addend
when determining branch 'y' bit and branch overflow. Adjust and
save opd relocs for ld -r too.
2005-12-30 Eric Christopher <echristo@apple.com> 2005-12-30 Eric Christopher <echristo@apple.com>
* elfxx-mips.c (mips_elf_record_global_got_symbol): Add assert * elfxx-mips.c (mips_elf_record_global_got_symbol): Add assert

45
bfd/elf64-ppc.c
View File

@ -9550,9 +9550,6 @@ ppc64_elf_relocate_section (bfd *output_bfd,
/* Disabled until we sort out how ld should choose 'y' vs 'at'. */ /* Disabled until we sort out how ld should choose 'y' vs 'at'. */
bfd_boolean is_power4 = FALSE; bfd_boolean is_power4 = FALSE;
if (info->relocatable)
return TRUE;
/* Initialize howto table if needed. */ /* Initialize howto table if needed. */
if (!ppc64_elf_howto_table[R_PPC64_ADDR32]) if (!ppc64_elf_howto_table[R_PPC64_ADDR32])
ppc_howto_init (); ppc_howto_init ();
@ -9574,7 +9571,7 @@ ppc64_elf_relocate_section (bfd *output_bfd,
for (; rel < relend; rel++) for (; rel < relend; rel++)
{ {
enum elf_ppc64_reloc_type r_type; enum elf_ppc64_reloc_type r_type;
bfd_vma addend; bfd_vma addend, orig_addend;
bfd_reloc_status_type r; bfd_reloc_status_type r;
Elf_Internal_Sym *sym; Elf_Internal_Sym *sym;
asection *sec; asection *sec;
@ -9611,6 +9608,7 @@ ppc64_elf_relocate_section (bfd *output_bfd,
sym_name = NULL; sym_name = NULL;
unresolved_reloc = FALSE; unresolved_reloc = FALSE;
warned = FALSE; warned = FALSE;
orig_addend = rel->r_addend;
if (r_symndx < symtab_hdr->sh_info) if (r_symndx < symtab_hdr->sh_info)
{ {
@ -9628,12 +9626,26 @@ ppc64_elf_relocate_section (bfd *output_bfd,
long adjust = opd_adjust[(sym->st_value + rel->r_addend) / 8]; long adjust = opd_adjust[(sym->st_value + rel->r_addend) / 8];
if (adjust == -1) if (adjust == -1)
relocation = 0; relocation = 0;
else
{
/* If this is a relocation against the opd section sym
and we have edited .opd, adjust the reloc addend so
that ld -r and ld --emit-relocs output is correct.
If it is a reloc against some other .opd symbol,
then the symbol value will be adjusted later. */
if (ELF_ST_TYPE (sym->st_info) == STT_SECTION)
rel->r_addend += adjust;
else else
relocation += adjust; relocation += adjust;
} }
} }
if (info->relocatable)
continue;
}
else else
{ {
if (info->relocatable)
continue;
RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel, RELOC_FOR_GLOBAL_SYMBOL (info, input_bfd, input_section, rel,
r_symndx, symtab_hdr, sym_hashes, r_symndx, symtab_hdr, sym_hashes,
h_elf, sec, relocation, h_elf, sec, relocation,
@ -10126,8 +10138,9 @@ ppc64_elf_relocate_section (bfd *output_bfd,
&& get_opd_info (sec) != NULL) && get_opd_info (sec) != NULL)
{ {
/* The branch destination is the value of the opd entry. */ /* The branch destination is the value of the opd entry. */
bfd_vma off = (relocation - sec->output_section->vma bfd_vma off = (relocation + addend
- sec->output_offset + rel->r_addend); - sec->output_section->vma
- sec->output_offset);
bfd_vma dest = opd_entry_value (sec, off, NULL, NULL); bfd_vma dest = opd_entry_value (sec, off, NULL, NULL);
if (dest != (bfd_vma) -1) if (dest != (bfd_vma) -1)
{ {
@ -10143,7 +10156,7 @@ ppc64_elf_relocate_section (bfd *output_bfd,
+ input_section->output_section->vma); + input_section->output_section->vma);
if (stub_entry == NULL if (stub_entry == NULL
&& (relocation + rel->r_addend - from + max_br_offset && (relocation + addend - from + max_br_offset
>= 2 * max_br_offset) >= 2 * max_br_offset)
&& r_type != R_PPC64_ADDR14_BRTAKEN && r_type != R_PPC64_ADDR14_BRTAKEN
&& r_type != R_PPC64_ADDR14_BRNTAKEN) && r_type != R_PPC64_ADDR14_BRNTAKEN)
@ -10177,7 +10190,7 @@ ppc64_elf_relocate_section (bfd *output_bfd,
else else
{ {
/* Invert 'y' bit if not the default. */ /* Invert 'y' bit if not the default. */
if ((bfd_signed_vma) (relocation + rel->r_addend - from) < 0) if ((bfd_signed_vma) (relocation + addend - from) < 0)
insn ^= 0x01 << 21; insn ^= 0x01 << 21;
} }
@ -10191,7 +10204,7 @@ ppc64_elf_relocate_section (bfd *output_bfd,
&& h->elf.root.type == bfd_link_hash_undefweak && h->elf.root.type == bfd_link_hash_undefweak
&& r_type == R_PPC64_REL24 && r_type == R_PPC64_REL24
&& relocation == 0 && relocation == 0
&& rel->r_addend == 0) && addend == 0)
{ {
bfd_put_32 (output_bfd, NOP, contents + rel->r_offset); bfd_put_32 (output_bfd, NOP, contents + rel->r_offset);
continue; continue;
@ -10300,7 +10313,7 @@ ppc64_elf_relocate_section (bfd *output_bfd,
} }
for (; ent != NULL; ent = ent->next) for (; ent != NULL; ent = ent->next)
if (ent->addend == rel->r_addend if (ent->addend == orig_addend
&& ent->owner == input_bfd && ent->owner == input_bfd
&& ent->tls_type == tls_type) && ent->tls_type == tls_type)
break; break;
@ -10335,7 +10348,7 @@ ppc64_elf_relocate_section (bfd *output_bfd,
outrel.r_offset = (got->output_section->vma outrel.r_offset = (got->output_section->vma
+ got->output_offset + got->output_offset
+ off); + off);
outrel.r_addend = rel->r_addend; outrel.r_addend = addend;
if (tls_type & (TLS_LD | TLS_GD)) if (tls_type & (TLS_LD | TLS_GD))
{ {
outrel.r_addend = 0; outrel.r_addend = 0;
@ -10348,7 +10361,7 @@ ppc64_elf_relocate_section (bfd *output_bfd,
bfd_elf64_swap_reloca_out (output_bfd, bfd_elf64_swap_reloca_out (output_bfd,
&outrel, loc); &outrel, loc);
outrel.r_offset += 8; outrel.r_offset += 8;
outrel.r_addend = rel->r_addend; outrel.r_addend = addend;
outrel.r_info outrel.r_info
= ELF64_R_INFO (indx, R_PPC64_DTPREL64); = ELF64_R_INFO (indx, R_PPC64_DTPREL64);
} }
@ -10386,7 +10399,7 @@ ppc64_elf_relocate_section (bfd *output_bfd,
emitting a reloc. */ emitting a reloc. */
else else
{ {
relocation += rel->r_addend; relocation += addend;
if (tls_type == (TLS_TLS | TLS_LD)) if (tls_type == (TLS_TLS | TLS_LD))
relocation = 1; relocation = 1;
else if (tls_type != 0) else if (tls_type != 0)
@ -10439,7 +10452,7 @@ ppc64_elf_relocate_section (bfd *output_bfd,
{ {
struct plt_entry *ent; struct plt_entry *ent;
for (ent = h->elf.plt.plist; ent != NULL; ent = ent->next) for (ent = h->elf.plt.plist; ent != NULL; ent = ent->next)
if (ent->addend == rel->r_addend if (ent->addend == orig_addend
&& ent->plt.offset != (bfd_vma) -1) && ent->plt.offset != (bfd_vma) -1)
{ {
relocation = (htab->plt->output_section->vma relocation = (htab->plt->output_section->vma
@ -10885,7 +10898,7 @@ ppc64_elf_relocate_section (bfd *output_bfd,
if (!((*info->callbacks->reloc_overflow) if (!((*info->callbacks->reloc_overflow)
(info, (h ? &h->elf.root : NULL), sym_name, (info, (h ? &h->elf.root : NULL), sym_name,
ppc64_elf_howto_table[r_type]->name, ppc64_elf_howto_table[r_type]->name,
rel->r_addend, input_bfd, input_section, rel->r_offset))) orig_addend, input_bfd, input_section, rel->r_offset)))
return FALSE; return FALSE;
} }
else else
@ -10908,7 +10921,7 @@ ppc64_elf_relocate_section (bfd *output_bfd,
adjusted. Worse, reloc symbol indices will be for the output adjusted. Worse, reloc symbol indices will be for the output
file rather than the input. Save a copy of the relocs for file rather than the input. Save a copy of the relocs for
opd_entry_value. */ opd_entry_value. */
if (is_opd && info->emitrelocations) if (is_opd && (info->emitrelocations || info->relocatable))
{ {
bfd_size_type amt; bfd_size_type amt;
amt = input_section->reloc_count * sizeof (Elf_Internal_Rela); amt = input_section->reloc_count * sizeof (Elf_Internal_Rela);