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Diffstat (limited to 'bfd/elf64-ppc.c')
-rw-r--r--bfd/elf64-ppc.c126
1 files changed, 63 insertions, 63 deletions
diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c
index 63d4eb9..94a9402 100644
--- a/bfd/elf64-ppc.c
+++ b/bfd/elf64-ppc.c
@@ -137,29 +137,29 @@ static bfd_vma opd_entry_value
/* .plt call stub instructions. The normal stub is like this, but
sometimes the .plt entry crosses a 64k boundary and we need to
- insert an addi to adjust r12. */
+ insert an addi to adjust r11. */
#define PLT_CALL_STUB_SIZE (7*4)
-#define ADDIS_R12_R2 0x3d820000 /* addis %r12,%r2,xxx@ha */
#define STD_R2_40R1 0xf8410028 /* std %r2,40(%r1) */
-#define LD_R11_0R12 0xe96c0000 /* ld %r11,xxx+0@l(%r12) */
-#define MTCTR_R11 0x7d6903a6 /* mtctr %r11 */
-#define LD_R2_0R12 0xe84c0000 /* ld %r2,xxx+8@l(%r12) */
- /* ld %r11,xxx+16@l(%r12) */
+#define ADDIS_R11_R2 0x3d620000 /* addis %r11,%r2,xxx@ha */
+#define LD_R12_0R11 0xe98b0000 /* ld %r12,xxx+0@l(%r11) */
+#define MTCTR_R12 0x7d8903a6 /* mtctr %r12 */
+#define LD_R2_0R11 0xe84b0000 /* ld %r2,xxx+8@l(%r11) */
+#define LD_R11_0R11 0xe96b0000 /* ld %r11,xxx+16@l(%r11) */
#define BCTR 0x4e800420 /* bctr */
-
-#define ADDIS_R12_R12 0x3d8c0000 /* addis %r12,%r12,off@ha */
-#define ADDI_R12_R12 0x398c0000 /* addi %r12,%r12,off@l */
+#define ADDI_R11_R11 0x396b0000 /* addi %r11,%r11,off@l */
#define ADDIS_R2_R2 0x3c420000 /* addis %r2,%r2,off@ha */
#define ADDI_R2_R2 0x38420000 /* addi %r2,%r2,off@l */
-#define XOR_R11_R11_R11 0x7d6b5a78 /* xor %r11,%r11,%r11 */
-#define ADD_R12_R12_R11 0x7d8c5a14 /* add %r12,%r12,%r11 */
+#define XOR_R2_R12_R12 0x7d826278 /* xor %r2,%r12,%r12 */
+#define ADD_R11_R11_R2 0x7d6b1214 /* add %r11,%r11,%r2 */
+#define XOR_R11_R12_R12 0x7d8b6278 /* xor %r11,%r12,%r12 */
#define ADD_R2_R2_R11 0x7c425a14 /* add %r2,%r2,%r11 */
#define CMPLDI_R2_0 0x28220000 /* cmpldi %r2,0 */
#define BNECTR 0x4ca20420 /* bnectr+ */
#define BNECTR_P4 0x4ce20420 /* bnectr+ */
+#define LD_R12_0R2 0xe9820000 /* ld %r12,xxx+0(%r2) */
#define LD_R11_0R2 0xe9620000 /* ld %r11,xxx+0(%r2) */
#define LD_R2_0R2 0xe8420000 /* ld %r2,xxx+0(%r2) */
@@ -174,13 +174,13 @@ static bfd_vma opd_entry_value
#define BCL_20_31 0x429f0005 /* bcl 20,31,1f */
/* 1: */
#define MFLR_R11 0x7d6802a6 /* mflr %11 */
-#define LD_R2_M16R11 0xe84bfff0 /* ld %2,(0b-1b)(%11) */
+ /* ld %2,(0b-1b)(%11) */
#define MTLR_R12 0x7d8803a6 /* mtlr %12 */
-#define ADD_R12_R2_R11 0x7d825a14 /* add %12,%2,%11 */
- /* ld %11,0(%12) */
- /* ld %2,8(%12) */
- /* mtctr %11 */
- /* ld %11,16(%12) */
+#define ADD_R11_R2_R11 0x7d625a14 /* add %11,%2,%11 */
+ /* ld %12,0(%11) */
+ /* ld %2,8(%11) */
+ /* mtctr %12 */
+ /* ld %11,16(%11) */
/* bctr */
/* Pad with this. */
@@ -3559,13 +3559,13 @@ ppc64_elf_get_synthetic_symtab (bfd *abfd,
.
.
. .foo_stub:
- . addis 12,2,Lfoo@toc@ha # in practice, the call stub
- . addi 12,12,Lfoo@toc@l # is slightly optimized, but
- . std 2,40(1) # this is the general idea
- . ld 11,0(12)
- . ld 2,8(12)
- . mtctr 11
- . ld 11,16(12)
+ . std 2,40(1) # in practice, the call stub
+ . addis 11,2,Lfoo@toc@ha # is slightly optimized, but
+ . addi 11,11,Lfoo@toc@l # this is the general idea
+ . ld 12,0(11)
+ . ld 2,8(11)
+ . mtctr 12
+ . ld 11,16(11)
. bctr
.
. .section .plt
@@ -3657,21 +3657,21 @@ must_be_dyn_reloc (struct bfd_link_info *info,
ppc_stub_plt_branch:
Similar to the above, but a 24 bit branch in the stub section won't
reach its destination.
- . addis %r12,%r2,xxx@toc@ha
- . ld %r11,xxx@toc@l(%r12)
- . mtctr %r11
+ . addis %r11,%r2,xxx@toc@ha
+ . ld %r12,xxx@toc@l(%r11)
+ . mtctr %r12
. bctr
ppc_stub_plt_call:
Used to call a function in a shared library. If it so happens that
the plt entry referenced crosses a 64k boundary, then an extra
- "addi %r12,%r12,xxx@toc@l" will be inserted before the "mtctr".
- . addis %r12,%r2,xxx@toc@ha
+ "addi %r11,%r11,xxx@toc@l" will be inserted before the "mtctr".
. std %r2,40(%r1)
- . ld %r11,xxx+0@toc@l(%r12)
- . mtctr %r11
- . ld %r2,xxx+8@toc@l(%r12)
- . ld %r11,xxx+16@toc@l(%r12)
+ . addis %r11,%r2,xxx@toc@ha
+ . ld %r12,xxx+0@toc@l(%r11)
+ . mtctr %r12
+ . ld %r2,xxx+8@toc@l(%r11)
+ . ld %r11,xxx+16@toc@l(%r11)
. bctr
ppc_stub_long_branch and ppc_stub_plt_branch may also have additional
@@ -3684,11 +3684,11 @@ must_be_dyn_reloc (struct bfd_link_info *info,
A ppc_stub_plt_branch with an r2 offset looks like:
. std %r2,40(%r1)
- . addis %r12,%r2,xxx@toc@ha
- . ld %r11,xxx@toc@l(%r12)
+ . addis %r11,%r2,xxx@toc@ha
+ . ld %r12,xxx@toc@l(%r11)
. addis %r2,%r2,off@ha
. addi %r2,%r2,off@l
- . mtctr %r11
+ . mtctr %r12
. bctr
In cases where the "addis" instruction would add zero, the "addis" is
@@ -9779,9 +9779,9 @@ ppc_type_of_stub (asection *input_sec,
the appropriate glink entry if so.
. fake dep barrier compare
- . ld 11,xxx(2) ld 11,xxx(2)
- . mtctr 11 mtctr 11
- . xor 11,11,11 ld 2,xxx+8(2)
+ . ld 12,xxx(2) ld 12,xxx(2)
+ . mtctr 12 mtctr 12
+ . xor 11,12,12 ld 2,xxx+8(2)
. add 2,2,11 cmpldi 2,0
. ld 2,xxx+8(2) bnectr+
. bctr b <glink_entry>
@@ -9916,22 +9916,22 @@ build_plt_stub (struct ppc_link_hash_table *htab,
if (ALWAYS_EMIT_R2SAVE
|| stub_entry->stub_type == ppc_stub_plt_call_r2save)
bfd_put_32 (obfd, STD_R2_40R1, p), p += 4;
- bfd_put_32 (obfd, ADDIS_R12_R2 | PPC_HA (offset), p), p += 4;
- bfd_put_32 (obfd, LD_R11_0R12 | PPC_LO (offset), p), p += 4;
+ bfd_put_32 (obfd, ADDIS_R11_R2 | PPC_HA (offset), p), p += 4;
+ bfd_put_32 (obfd, LD_R12_0R11 | PPC_LO (offset), p), p += 4;
if (PPC_HA (offset + 8 + 8 * plt_static_chain) != PPC_HA (offset))
{
- bfd_put_32 (obfd, ADDI_R12_R12 | PPC_LO (offset), p), p += 4;
+ bfd_put_32 (obfd, ADDI_R11_R11 | PPC_LO (offset), p), p += 4;
offset = 0;
}
- bfd_put_32 (obfd, MTCTR_R11, p), p += 4;
+ bfd_put_32 (obfd, MTCTR_R12, p), p += 4;
if (use_fake_dep)
{
- bfd_put_32 (obfd, XOR_R11_R11_R11, p), p += 4;
- bfd_put_32 (obfd, ADD_R12_R12_R11, p), p += 4;
+ bfd_put_32 (obfd, XOR_R2_R12_R12, p), p += 4;
+ bfd_put_32 (obfd, ADD_R11_R11_R2, p), p += 4;
}
- bfd_put_32 (obfd, LD_R2_0R12 | PPC_LO (offset + 8), p), p += 4;
+ bfd_put_32 (obfd, LD_R2_0R11 | PPC_LO (offset + 8), p), p += 4;
if (plt_static_chain)
- bfd_put_32 (obfd, LD_R11_0R12 | PPC_LO (offset + 16), p), p += 4;
+ bfd_put_32 (obfd, LD_R11_0R11 | PPC_LO (offset + 16), p), p += 4;
}
else
{
@@ -9963,16 +9963,16 @@ build_plt_stub (struct ppc_link_hash_table *htab,
if (ALWAYS_EMIT_R2SAVE
|| stub_entry->stub_type == ppc_stub_plt_call_r2save)
bfd_put_32 (obfd, STD_R2_40R1, p), p += 4;
- bfd_put_32 (obfd, LD_R11_0R2 | PPC_LO (offset), p), p += 4;
+ bfd_put_32 (obfd, LD_R12_0R2 | PPC_LO (offset), p), p += 4;
if (PPC_HA (offset + 8 + 8 * plt_static_chain) != PPC_HA (offset))
{
bfd_put_32 (obfd, ADDI_R2_R2 | PPC_LO (offset), p), p += 4;
offset = 0;
}
- bfd_put_32 (obfd, MTCTR_R11, p), p += 4;
+ bfd_put_32 (obfd, MTCTR_R12, p), p += 4;
if (use_fake_dep)
{
- bfd_put_32 (obfd, XOR_R11_R11_R11, p), p += 4;
+ bfd_put_32 (obfd, XOR_R11_R12_R12, p), p += 4;
bfd_put_32 (obfd, ADD_R2_R2_R11, p), p += 4;
}
if (plt_static_chain)
@@ -10321,14 +10321,14 @@ ppc_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
if (PPC_HA (off) != 0)
{
size = 16;
- bfd_put_32 (htab->stub_bfd, ADDIS_R12_R2 | PPC_HA (off), loc);
+ bfd_put_32 (htab->stub_bfd, ADDIS_R11_R2 | PPC_HA (off), loc);
loc += 4;
- bfd_put_32 (htab->stub_bfd, LD_R11_0R12 | PPC_LO (off), loc);
+ bfd_put_32 (htab->stub_bfd, LD_R12_0R11 | PPC_LO (off), loc);
}
else
{
size = 12;
- bfd_put_32 (htab->stub_bfd, LD_R11_0R2 | PPC_LO (off), loc);
+ bfd_put_32 (htab->stub_bfd, LD_R12_0R2 | PPC_LO (off), loc);
}
}
else
@@ -10347,14 +10347,14 @@ ppc_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
if (PPC_HA (off) != 0)
{
size += 4;
- bfd_put_32 (htab->stub_bfd, ADDIS_R12_R2 | PPC_HA (off), loc);
+ bfd_put_32 (htab->stub_bfd, ADDIS_R11_R2 | PPC_HA (off), loc);
loc += 4;
- bfd_put_32 (htab->stub_bfd, LD_R11_0R12 | PPC_LO (off), loc);
+ bfd_put_32 (htab->stub_bfd, LD_R12_0R11 | PPC_LO (off), loc);
loc += 4;
}
else
{
- bfd_put_32 (htab->stub_bfd, LD_R11_0R2 | PPC_LO (off), loc);
+ bfd_put_32 (htab->stub_bfd, LD_R12_0R2 | PPC_LO (off), loc);
loc += 4;
}
@@ -10367,7 +10367,7 @@ ppc_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg)
bfd_put_32 (htab->stub_bfd, ADDI_R2_R2 | PPC_LO (r2off), loc);
}
loc += 4;
- bfd_put_32 (htab->stub_bfd, MTCTR_R11, loc);
+ bfd_put_32 (htab->stub_bfd, MTCTR_R12, loc);
loc += 4;
bfd_put_32 (htab->stub_bfd, BCTR, loc);
break;
@@ -12131,19 +12131,19 @@ ppc64_elf_build_stubs (bfd_boolean emit_stub_syms,
p += 4;
bfd_put_32 (htab->glink->owner, MFLR_R11, p);
p += 4;
- bfd_put_32 (htab->glink->owner, LD_R2_M16R11, p);
+ bfd_put_32 (htab->glink->owner, LD_R2_0R11 | (-16 & 0xfffc), p);
p += 4;
bfd_put_32 (htab->glink->owner, MTLR_R12, p);
p += 4;
- bfd_put_32 (htab->glink->owner, ADD_R12_R2_R11, p);
+ bfd_put_32 (htab->glink->owner, ADD_R11_R2_R11, p);
p += 4;
- bfd_put_32 (htab->glink->owner, LD_R11_0R12, p);
+ bfd_put_32 (htab->glink->owner, LD_R12_0R11, p);
p += 4;
- bfd_put_32 (htab->glink->owner, LD_R2_0R12 | 8, p);
+ bfd_put_32 (htab->glink->owner, LD_R2_0R11 | 8, p);
p += 4;
- bfd_put_32 (htab->glink->owner, MTCTR_R11, p);
+ bfd_put_32 (htab->glink->owner, MTCTR_R12, p);
p += 4;
- bfd_put_32 (htab->glink->owner, LD_R11_0R12 | 16, p);
+ bfd_put_32 (htab->glink->owner, LD_R11_0R11 | 16, p);
p += 4;
bfd_put_32 (htab->glink->owner, BCTR, p);
p += 4;
generated by cgit v1.1 at 2024-12-17 07:03:48 +0000