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| author | Alan Modra <amodra@gmail.com> | 2009-03-21 02:35:27 +0000 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2009-03-21 02:35:27 +0000 |
| commit | c6dd29cec2aa072966e6ebccc56db0c5dbf636ee (patch) | |
| tree | 128c173f7c3ef8cbc3b35e45b217c286b910383a /bfd/elf32-ppc.c | |
| parent | 546e879ee8028adc2d6093cd15b2eb32fa4341ad (diff) | |
| download | gdb-c6dd29cec2aa072966e6ebccc56db0c5dbf636ee.zip gdb-c6dd29cec2aa072966e6ebccc56db0c5dbf636ee.tar.gz gdb-c6dd29cec2aa072966e6ebccc56db0c5dbf636ee.tar.bz2 | |
* elf32-ppc.c (is_pic_glink_stub): Delete.
(is_nonpic_glink_stub): New function.
(ppc_elf_get_synthetic_symtab): Check for last non-pic stub rather
than first pic one.
(struct ppc_elf_link_hash_table <glink_pltresolve>): Comment fix.
Diffstat (limited to 'bfd/elf32-ppc.c')
| -rw-r--r-- | bfd/elf32-ppc.c | 31 |
1 files changed, 10 insertions, 21 deletions
diff --git a/bfd/elf32-ppc.c b/bfd/elf32-ppc.c index 5db64b0..e15f88e 100644 --- a/bfd/elf32-ppc.c +++ b/bfd/elf32-ppc.c @@ -2328,26 +2328,17 @@ ppc_elf_final_write_processing (bfd *abfd, bfd_boolean linker ATTRIBUTE_UNUSED) } static bfd_boolean -is_pic_glink_stub (bfd *abfd, asection *glink, bfd_vma off) +is_nonpic_glink_stub (bfd *abfd, asection *glink, bfd_vma off) { - bfd_byte buf[16]; - unsigned int insn; + bfd_byte buf[GLINK_ENTRY_SIZE]; - if (!bfd_get_section_contents (abfd, glink, buf, off, 16)) + if (!bfd_get_section_contents (abfd, glink, buf, off, GLINK_ENTRY_SIZE)) return FALSE; - insn = bfd_get_32 (abfd, buf); - if ((insn & 0xffff0000) == LWZ_11_30 - && bfd_get_32 (abfd, buf + 4) == MTCTR_11 - && bfd_get_32 (abfd, buf + 8) == BCTR) - return TRUE; - - if ((insn & 0xffff0000) == ADDIS_11_30 - && (bfd_get_32 (abfd, buf + 4) & 0xffff0000) == LWZ_11_11 - && bfd_get_32 (abfd, buf + 8) == MTCTR_11 - && bfd_get_32 (abfd, buf + 12) == BCTR) - return TRUE; - return FALSE; + return ((bfd_get_32 (abfd, buf + 0) & 0xffff0000) == LIS_11 + && (bfd_get_32 (abfd, buf + 4) & 0xffff0000) == LWZ_11_11 + && bfd_get_32 (abfd, buf + 8) == MTCTR_11 + && bfd_get_32 (abfd, buf + 12) == BCTR); } static bfd_boolean @@ -2484,10 +2475,8 @@ ppc_elf_get_synthetic_symtab (bfd *abfd, long symcount, asymbol **syms, multiple stubs for each plt entry. If that is the case then there is no way to associate stubs with their plt entries short of figuring out the GOT pointer value used in the stub. */ - if (!bfd_get_section_contents (abfd, glink, buf, - stub_vma - glink->vma, 4) - || ((bfd_get_32 (abfd, buf) & 0xffff0000) != LIS_11 - && is_pic_glink_stub (abfd, glink, stub_vma - glink->vma - 16))) + if (!is_nonpic_glink_stub (abfd, glink, + glink_vma - GLINK_ENTRY_SIZE - glink->vma)) return 0; slurp_relocs = get_elf_backend_data (abfd)->s->slurp_reloc_table; @@ -2722,7 +2711,7 @@ struct ppc_elf_link_hash_table bfd_vma offset; } tlsld_got; - /* Offset of PltResolve function in glink. */ + /* Offset of branch table to PltResolve function in glink. */ bfd_vma glink_pltresolve; /* Size of reserved GOT entries. */ |