diff options
Diffstat (limited to 'bfd/simple.c')
| -rw-r--r-- | bfd/simple.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/bfd/simple.c b/bfd/simple.c index 55a5554..1331f9b 100644 --- a/bfd/simple.c +++ b/bfd/simple.c @@ -106,6 +106,22 @@ struct saved_offsets struct saved_output_info *sections; }; +/* The sections in ABFD may already have output sections and offsets + set if we are here during linking. + + DWARF-2 specifies offsets into debug sections in many cases and + bfd_simple_get_relocated_section_contents is called to relocate + debug info for a single relocatable object file. So we want + offsets relative to that object file's sections, not offsets in the + output file. For that reason, reset a debug section->output_offset + to zero. + + If not called during linking then set section->output_section to + point back to the input section, because output_section must not be + NULL when calling the relocation routines. + + Save the original output offset and section to restore later. */ + static void simple_save_output_info (bfd *abfd ATTRIBUTE_UNUSED, asection *section, @@ -220,15 +236,6 @@ bfd_simple_get_relocated_section_contents (bfd *abfd, outbuf = data; } - /* The sections in ABFD may already have output sections and offsets set. - Because this function is primarily for debug sections, and GCC uses the - knowledge that debug sections will generally have VMA 0 when emitting - relocations between DWARF-2 sections (which are supposed to be - section-relative offsets anyway), we need to reset the output offsets - to zero. We also need to arrange for section->output_section->vma plus - section->output_offset to equal section->vma, which we do by setting - section->output_section to point back to section. Save the original - output offset and output section to restore later. */ saved_offsets.section_count = abfd->section_count; saved_offsets.sections = malloc (sizeof (*saved_offsets.sections) * saved_offsets.section_count); |