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| author | Alan Modra <amodra@gmail.com> | 2011-08-02 04:44:45 +0000 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2011-08-02 04:44:45 +0000 |
| commit | c7131b65cee44f94038e75666282b77f01402958 (patch) | |
| tree | a19a64e514e86d2e0d3281dba2f6bee104012ef2 /bfd | |
| parent | 1164d29ab1ce953b327c0791769cd9f4d51147e6 (diff) | |
| download | gdb-c7131b65cee44f94038e75666282b77f01402958.zip gdb-c7131b65cee44f94038e75666282b77f01402958.tar.gz gdb-c7131b65cee44f94038e75666282b77f01402958.tar.bz2 | |
* elf64-ppc.c (build_plt_stub): Correct emitted relocs when no
plt_static_chain.
(ppc_build_one_stub): Adjust get_relocs call to suit..
(ppc_size_one_stub): ..and reloc sizing. Correct plt size corner case.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 7 | ||||
| -rw-r--r-- | bfd/elf64-ppc.c | 37 |
2 files changed, 31 insertions, 13 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 2ef3686..1c6d0a0 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,10 @@ +2011-08-02 Alan Modra <amodra@gmail.com> + + * elf64-ppc.c (build_plt_stub): Correct emitted relocs when no + plt_static_chain. + (ppc_build_one_stub): Adjust get_relocs call to suit.. + (ppc_size_one_stub): ..and reloc sizing. Correct plt size corner case. + 2011-08-01 H.J. Lu <hongjiu.lu@intel.com> PR ld/13048 diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c index 359d2f8..d13447e 100644 --- a/bfd/elf64-ppc.c +++ b/bfd/elf64-ppc.c @@ -9291,7 +9291,7 @@ build_plt_stub (bfd *obfd, bfd_byte *p, int offset, Elf_Internal_Rela *r, r[1].r_offset = r[0].r_offset + 8; r[1].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_LO_DS); r[1].r_addend = r[0].r_addend; - if (PPC_HA (offset + 16) != PPC_HA (offset)) + if (PPC_HA (offset + 8 + 8 * plt_static_chain) != PPC_HA (offset)) { r[2].r_offset = r[1].r_offset + 4; r[2].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_LO); @@ -9302,9 +9302,12 @@ build_plt_stub (bfd *obfd, bfd_byte *p, int offset, Elf_Internal_Rela *r, r[2].r_offset = r[1].r_offset + 8; r[2].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_LO_DS); r[2].r_addend = r[0].r_addend + 8; - r[3].r_offset = r[2].r_offset + 4; - r[3].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_LO_DS); - r[3].r_addend = r[0].r_addend + 16; + if (plt_static_chain) + { + r[3].r_offset = r[2].r_offset + 4; + r[3].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_LO_DS); + r[3].r_addend = r[0].r_addend + 16; + } } } bfd_put_32 (obfd, ADDIS_R12_R2 | PPC_HA (offset), p), p += 4; @@ -9327,7 +9330,7 @@ build_plt_stub (bfd *obfd, bfd_byte *p, int offset, Elf_Internal_Rela *r, { r[0].r_offset += 4; r[0].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_DS); - if (PPC_HA (offset + 16) != PPC_HA (offset)) + if (PPC_HA (offset + 8 + 8 * plt_static_chain) != PPC_HA (offset)) { r[1].r_offset = r[0].r_offset + 4; r[1].r_info = ELF64_R_INFO (0, R_PPC64_TOC16); @@ -9337,10 +9340,13 @@ build_plt_stub (bfd *obfd, bfd_byte *p, int offset, Elf_Internal_Rela *r, { r[1].r_offset = r[0].r_offset + 8; r[1].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_DS); - r[1].r_addend = r[0].r_addend + 16; - r[2].r_offset = r[1].r_offset + 4; - r[2].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_DS); - r[2].r_addend = r[0].r_addend + 8; + r[1].r_addend = r[0].r_addend + 8 + 8 * plt_static_chain; + if (plt_static_chain) + { + r[2].r_offset = r[1].r_offset + 4; + r[2].r_info = ELF64_R_INFO (0, R_PPC64_TOC16_DS); + r[2].r_addend = r[0].r_addend + 8; + } } } bfd_put_32 (obfd, STD_R2_40R1, p), p += 4; @@ -9808,8 +9814,10 @@ ppc_build_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg) if (info->emitrelocations) { r = get_relocs (stub_entry->stub_sec, - (2 + (PPC_HA (off) != 0) - + (PPC_HA (off + 16) == PPC_HA (off)))); + (2 + + (PPC_HA (off) != 0) + + (htab->plt_static_chain + && PPC_HA (off + 16) == PPC_HA (off)))); if (r == NULL) return FALSE; r[0].r_offset = loc - stub_entry->stub_sec->contents; @@ -9916,7 +9924,7 @@ ppc_size_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg) size -= 4; if (PPC_HA (off) == 0) size -= 4; - if (PPC_HA (off + 16) != PPC_HA (off)) + if (PPC_HA (off + 8 + 8 * htab->plt_static_chain) != PPC_HA (off)) size += 4; if (stub_entry->h != NULL && (stub_entry->h == htab->tls_get_addr_fd @@ -9926,7 +9934,10 @@ ppc_size_one_stub (struct bfd_hash_entry *gen_entry, void *in_arg) if (info->emitrelocations) { stub_entry->stub_sec->reloc_count - += 2 + (PPC_HA (off) != 0) + (PPC_HA (off + 16) == PPC_HA (off)); + += (2 + + (PPC_HA (off) != 0) + + (htab->plt_static_chain + && PPC_HA (off + 16) == PPC_HA (off))); stub_entry->stub_sec->flags |= SEC_RELOC; } } |