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Diffstat (limited to 'bfd/elf64-ppc.c')
-rw-r--r--bfd/elf64-ppc.c125
1 files changed, 64 insertions, 61 deletions
diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c
index 5cd3b8d..b59a505 100644
--- a/bfd/elf64-ppc.c
+++ b/bfd/elf64-ppc.c
@@ -10829,7 +10829,7 @@ plt_stub_pad (struct ppc_link_hash_table *htab,
bfd_vma plt_off)
{
int stub_align;
- unsigned stub_size = plt_stub_size (htab, stub_entry, plt_off);
+ unsigned stub_size;
bfd_vma stub_off = stub_entry->group->stub_sec->size;
if (htab->params->plt_stub_align >= 0)
@@ -10841,6 +10841,7 @@ plt_stub_pad (struct ppc_link_hash_table *htab,
}
stub_align = 1 << -htab->params->plt_stub_align;
+ stub_size = plt_stub_size (htab, stub_entry, plt_off);
if (((stub_off + stub_size - 1) & -stub_align) - (stub_off & -stub_align)
> ((stub_size - 1) & -stub_align))
return stub_align - (stub_off & (stub_align - 1));
@@ -11148,7 +11149,7 @@ ppc_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
struct ppc_link_hash_table *htab;
bfd_byte *loc;
bfd_byte *p;
- bfd_vma dest, off;
+ bfd_vma targ, off;
Elf_Internal_Rela *r;
asection *plt;
@@ -11160,8 +11161,7 @@ ppc_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
if (htab == NULL)
return FALSE;
- /* Make a note of the offset within the stubs for this entry. */
- stub_entry->stub_offset = stub_entry->group->stub_sec->size;
+ BFD_ASSERT (stub_entry->stub_offset >= stub_entry->group->stub_sec->size);
loc = stub_entry->group->stub_sec->contents + stub_entry->stub_offset;
htab->stub_count[stub_entry->stub_type - 1] += 1;
@@ -11170,16 +11170,16 @@ ppc_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
case ppc_stub_long_branch:
case ppc_stub_long_branch_r2off:
/* Branches are relative. This is where we are going to. */
- dest = (stub_entry->target_value
+ targ = (stub_entry->target_value
+ stub_entry->target_section->output_offset
+ stub_entry->target_section->output_section->vma);
- dest += PPC64_LOCAL_ENTRY_OFFSET (stub_entry->other);
- off = dest;
+ targ += PPC64_LOCAL_ENTRY_OFFSET (stub_entry->other);
/* And this is where we are coming from. */
- off -= (stub_entry->stub_offset
- + stub_entry->group->stub_sec->output_offset
- + stub_entry->group->stub_sec->output_section->vma);
+ off = (stub_entry->stub_offset
+ + stub_entry->group->stub_sec->output_offset
+ + stub_entry->group->stub_sec->output_section->vma);
+ off = targ - off;
p = loc;
if (stub_entry->stub_type == ppc_stub_long_branch_r2off)
@@ -11226,7 +11226,7 @@ ppc_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
return FALSE;
r->r_offset = p - 4 - stub_entry->group->stub_sec->contents;
r->r_info = ELF64_R_INFO (0, R_PPC64_REL24);
- r->r_addend = dest;
+ r->r_addend = targ;
if (stub_entry->h != NULL)
{
struct elf_link_hash_entry **hashes;
@@ -11278,13 +11278,13 @@ ppc_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
return FALSE;
}
- dest = (stub_entry->target_value
+ targ = (stub_entry->target_value
+ stub_entry->target_section->output_offset
+ stub_entry->target_section->output_section->vma);
if (stub_entry->stub_type != ppc_stub_plt_branch_r2off)
- dest += PPC64_LOCAL_ENTRY_OFFSET (stub_entry->other);
+ targ += PPC64_LOCAL_ENTRY_OFFSET (stub_entry->other);
- bfd_put_64 (htab->brlt->owner, dest,
+ bfd_put_64 (htab->brlt->owner, targ,
htab->brlt->contents + br_entry->offset);
if (br_entry->iter == htab->stub_iteration)
@@ -11301,7 +11301,7 @@ ppc_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
+ htab->brlt->output_offset
+ htab->brlt->output_section->vma);
rela.r_info = ELF64_R_INFO (0, R_PPC64_RELATIVE);
- rela.r_addend = dest;
+ rela.r_addend = targ;
rl = htab->relbrlt->contents;
rl += (htab->relbrlt->reloc_count++
@@ -11321,17 +11321,17 @@ ppc_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
+ htab->brlt->output_offset
+ htab->brlt->output_section->vma);
r->r_info = ELF64_R_INFO (0, R_PPC64_RELATIVE);
- r->r_addend = dest;
+ r->r_addend = targ;
}
}
- dest = (br_entry->offset
+ targ = (br_entry->offset
+ htab->brlt->output_offset
+ htab->brlt->output_section->vma);
- off = (dest
- - elf_gp (info->output_bfd)
- - htab->sec_info[stub_entry->group->link_sec->id].toc_off);
+ off = (elf_gp (info->output_bfd)
+ + htab->sec_info[stub_entry->group->link_sec->id].toc_off);
+ off = targ - off;
if (off + 0x80008000 > 0xffffffff || (off & 7) != 0)
{
@@ -11354,7 +11354,7 @@ ppc_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
if (stub_entry->stub_type == ppc_stub_plt_branch_r2off)
r[0].r_offset += 4;
r[0].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_DS);
- r[0].r_addend = dest;
+ r[0].r_addend = targ;
if (PPC_HA (off) != 0)
{
r[0].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_HA);
@@ -11439,8 +11439,8 @@ ppc_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
}
/* Now build the stub. */
- dest = stub_entry->plt_ent->plt.offset & ~1;
- if (dest >= (bfd_vma) -2)
+ targ = stub_entry->plt_ent->plt.offset & ~1;
+ if (targ >= (bfd_vma) -2)
abort ();
plt = htab->elf.splt;
@@ -11453,12 +11453,11 @@ ppc_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
else
plt = htab->pltlocal;
}
+ targ += plt->output_offset + plt->output_section->vma;
- dest += plt->output_offset + plt->output_section->vma;
-
- off = (dest
- - elf_gp (info->output_bfd)
- - htab->sec_info[stub_entry->group->link_sec->id].toc_off);
+ off = (elf_gp (info->output_bfd)
+ + htab->sec_info[stub_entry->group->link_sec->id].toc_off);
+ off = targ - off;
if (off + 0x80008000 > 0xffffffff || (off & 7) != 0)
{
@@ -11473,15 +11472,6 @@ ppc_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
return FALSE;
}
- if (htab->params->plt_stub_align != 0)
- {
- unsigned pad = plt_stub_pad (htab, stub_entry, off);
-
- stub_entry->group->stub_sec->size += pad;
- stub_entry->stub_offset = stub_entry->group->stub_sec->size;
- loc += pad;
- }
-
r = NULL;
if (info->emitrelocations)
{
@@ -11496,7 +11486,7 @@ ppc_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
r[0].r_offset = loc - stub_entry->group->stub_sec->contents;
if (bfd_big_endian (info->output_bfd))
r[0].r_offset += 2;
- r[0].r_addend = dest;
+ r[0].r_addend = targ;
}
if (stub_entry->h != NULL
&& (stub_entry->h == htab->tls_get_addr_fd
@@ -11515,7 +11505,7 @@ ppc_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
return FALSE;
}
- stub_entry->group->stub_sec->size += p - loc;
+ stub_entry->group->stub_sec->size = stub_entry->stub_offset + (p - loc);
if (htab->params->emit_stub_syms)
{
@@ -11567,7 +11557,7 @@ ppc_size_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
struct ppc_stub_hash_entry *stub_entry;
struct bfd_link_info *info;
struct ppc_link_hash_table *htab;
- bfd_vma off;
+ bfd_vma targ, off;
int size;
/* Massage our args to the form they really have. */
@@ -11578,6 +11568,9 @@ ppc_size_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
if (htab == NULL)
return FALSE;
+ /* Make a note of the offset within the stubs for this entry. */
+ stub_entry->stub_offset = stub_entry->group->stub_sec->size;
+
if (stub_entry->h != NULL
&& stub_entry->h->save_res
&& stub_entry->h->elf.root.type == bfd_link_hash_defined
@@ -11594,8 +11587,8 @@ ppc_size_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
|| stub_entry->stub_type == ppc_stub_plt_call_r2save)
{
asection *plt;
- off = stub_entry->plt_ent->plt.offset & ~(bfd_vma) 1;
- if (off >= (bfd_vma) -2)
+ targ = stub_entry->plt_ent->plt.offset & ~(bfd_vma) 1;
+ if (targ >= (bfd_vma) -2)
abort ();
plt = htab->elf.splt;
if (!htab->elf.dynamic_sections_created
@@ -11607,12 +11600,22 @@ ppc_size_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
else
plt = htab->pltlocal;
}
- off += (plt->output_offset
- + plt->output_section->vma
- - elf_gp (info->output_bfd)
- - htab->sec_info[stub_entry->group->link_sec->id].toc_off);
+ targ += plt->output_offset + plt->output_section->vma;
+
+ off = (elf_gp (info->output_bfd)
+ + htab->sec_info[stub_entry->group->link_sec->id].toc_off);
+ off = targ - off;
+
+ if (htab->params->plt_stub_align != 0)
+ {
+ unsigned pad = plt_stub_pad (htab, stub_entry, off);
+
+ stub_entry->group->stub_sec->size += pad;
+ stub_entry->stub_offset = stub_entry->group->stub_sec->size;
+ }
size = plt_stub_size (htab, stub_entry, off);
+
if (stub_entry->h != NULL
&& (stub_entry->h == htab->tls_get_addr_fd
|| stub_entry->h == htab->tls_get_addr)
@@ -11620,10 +11623,8 @@ ppc_size_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
&& (ALWAYS_EMIT_R2SAVE
|| stub_entry->stub_type == ppc_stub_plt_call_r2save))
stub_entry->group->tls_get_addr_opt_bctrl
- = stub_entry->group->stub_sec->size + size - 5 * 4;
+ = stub_entry->stub_offset + size - 5 * 4;
- if (htab->params->plt_stub_align)
- size += plt_stub_pad (htab, stub_entry, off);
if (info->emitrelocations)
{
stub_entry->group->stub_sec->reloc_count
@@ -11642,12 +11643,12 @@ ppc_size_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
bfd_vma r2off = 0;
bfd_vma local_off = 0;
- off = (stub_entry->target_value
- + stub_entry->target_section->output_offset
- + stub_entry->target_section->output_section->vma);
- off -= (stub_entry->group->stub_sec->size
- + stub_entry->group->stub_sec->output_offset
- + stub_entry->group->stub_sec->output_section->vma);
+ targ = (stub_entry->target_value
+ + stub_entry->target_section->output_offset
+ + stub_entry->target_section->output_section->vma);
+ off = (stub_entry->stub_offset
+ + stub_entry->group->stub_sec->output_offset
+ + stub_entry->group->stub_sec->output_section->vma);
/* Reset the stub type from the plt variant in case we now
can reach with a shorter stub. */
@@ -11668,8 +11669,9 @@ ppc_size_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
size += 4;
if (PPC_LO (r2off) != 0)
size += 4;
- off -= size - 4;
+ off += size - 4;
}
+ off = targ - off;
local_off = PPC64_LOCAL_ENTRY_OFFSET (stub_entry->other);
@@ -11709,11 +11711,12 @@ ppc_size_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
}
stub_entry->stub_type += ppc_stub_plt_branch - ppc_stub_long_branch;
- off = (br_entry->offset
- + htab->brlt->output_offset
- + htab->brlt->output_section->vma
- - elf_gp (info->output_bfd)
- - htab->sec_info[stub_entry->group->link_sec->id].toc_off);
+ targ = (br_entry->offset
+ + htab->brlt->output_offset
+ + htab->brlt->output_section->vma);
+ off = (elf_gp (info->output_bfd)
+ + htab->sec_info[stub_entry->group->link_sec->id].toc_off);
+ off = targ - off;
if (info->emitrelocations)
{
generated by cgit v1.1 at 2025-02-11 13:09:17 +0000