diff options
Diffstat (limited to 'bfd/elf-eh-frame.c')
| -rw-r--r-- | bfd/elf-eh-frame.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/bfd/elf-eh-frame.c b/bfd/elf-eh-frame.c index b479c00..20cbfb2 100644 --- a/bfd/elf-eh-frame.c +++ b/bfd/elf-eh-frame.c @@ -586,16 +586,12 @@ _bfd_elf_discard_section_eh_frame (abfd, info, sec, ehdrsec, } /* For shared libraries, try to get rid of as many RELATIVE relocs - as possible. - FIXME: For this to work, ELF backends need to perform the - relocation if omitting dynamic relocs, not skip it. */ - if (0 - && info->shared + as possible. */ + if (info->shared && (cie.fde_encoding & 0xf0) == DW_EH_PE_absptr) cie.make_relative = 1; - if (0 - && info->shared + if (info->shared && (cie.lsda_encoding & 0xf0) == DW_EH_PE_absptr) cie.make_lsda_relative = 1; @@ -636,6 +632,16 @@ _bfd_elf_discard_section_eh_frame (abfd, info, sec, ehdrsec, } else { + if (info->shared + && (cie.fde_encoding & 0xf0) == DW_EH_PE_absptr + && cie.make_relative == 0) + { + /* If shared library uses absolute pointers + which we cannot turn into PC relative, + don't create the binary search table, + since it is affected by runtime relocations. */ + hdr_info->table = false; + } cie_usage_count++; hdr_info->fde_count++; } @@ -856,7 +862,7 @@ _bfd_elf_eh_frame_section_offset (output_bfd, sec, offset) if (sec_info->entry[mid].make_relative && ! sec_info->entry[mid].cie && offset == sec_info->entry[mid].offset + 8) - return (bfd_vma) -1; + return (bfd_vma) -2; /* If converting LSDA pointers to DW_EH_PE_pcrel, there will be no need for run-time relocation against LSDA field. */ @@ -865,7 +871,7 @@ _bfd_elf_eh_frame_section_offset (output_bfd, sec, offset) && (offset == (sec_info->entry[mid].offset + 8 + sec_info->entry[mid].lsda_offset))) - return (bfd_vma) -1; + return (bfd_vma) -2; return (offset + sec_info->entry[mid].new_offset - sec_info->entry[mid].offset); |