diff options
Diffstat (limited to 'bfd/elf64-ppc.c')
| -rw-r--r-- | bfd/elf64-ppc.c | 38 |
1 files changed, 28 insertions, 10 deletions
diff --git a/bfd/elf64-ppc.c b/bfd/elf64-ppc.c index e7a01c2..3b03db4 100644 --- a/bfd/elf64-ppc.c +++ b/bfd/elf64-ppc.c @@ -5533,28 +5533,46 @@ opd_entry_value (asection *opd_sec, at a final linked executable with addr2line or somesuch. */ if (opd_sec->reloc_count == 0) { - char buf[8]; - + /* PR 13897: Cache the loaded section to speed up the search. */ + static asection * buf_sec = NULL; + static char buf[8]; + static bfd_vma buf_val = 0; + static asection * buf_likely = NULL; + + if (buf_sec == opd_sec) + { + if (code_sec != NULL) + * code_sec = buf_likely; + if (code_off != NULL && buf_likely != NULL) + * code_off = buf_val - buf_likely->vma; + return buf_val; + } + if (!bfd_get_section_contents (opd_bfd, opd_sec, buf, offset, 8)) return (bfd_vma) -1; + buf_sec = opd_sec; - val = bfd_get_64 (opd_bfd, buf); + buf_val = bfd_get_64 (opd_bfd, buf); if (code_sec != NULL) { - asection *sec, *likely = NULL; + asection *sec; + + buf_likely = NULL; for (sec = opd_bfd->sections; sec != NULL; sec = sec->next) - if (sec->vma <= val + if (sec->vma <= buf_val && (sec->flags & SEC_LOAD) != 0 && (sec->flags & SEC_ALLOC) != 0) - likely = sec; - if (likely != NULL) + buf_likely = sec; + if (buf_likely != NULL) { - *code_sec = likely; + *code_sec = buf_likely; if (code_off != NULL) - *code_off = val - likely->vma; + *code_off = buf_val - buf_likely->vma; } } - return val; + else + buf_likely = NULL; + return buf_val; } BFD_ASSERT (is_ppc64_elf (opd_bfd)); |