diff options
Diffstat (limited to 'bfd/elf.c')
| -rw-r--r-- | bfd/elf.c | 45 |
1 files changed, 34 insertions, 11 deletions
@@ -2671,6 +2671,7 @@ static const struct bfd_elf_special_section special_sections_b[] = static const struct bfd_elf_special_section special_sections_c[] = { { STRING_COMMA_LEN (".comment"), 0, SHT_PROGBITS, 0 }, + { STRING_COMMA_LEN (".ctf"), 0, SHT_PROGBITS, 0 }, { NULL, 0, 0, 0, 0 } }; @@ -5893,7 +5894,8 @@ is_debuginfo_file (bfd *abfd) return TRUE; } -/* Assign file positions for the other sections. */ +/* Assign file positions for the other sections, except for compressed debugging + and other sections assigned in _bfd_elf_assign_file_positions_for_non_load(). */ static bfd_boolean assign_file_positions_for_non_load_sections (bfd *abfd, @@ -5952,9 +5954,12 @@ assign_file_positions_for_non_load_sections (bfd *abfd, } else if (((hdr->sh_type == SHT_REL || hdr->sh_type == SHT_RELA) && hdr->bfd_section == NULL) + /* We don't know the offset of these sections yet: their size has + not been decided. */ || (hdr->bfd_section != NULL - && (hdr->bfd_section->flags & SEC_ELF_COMPRESS)) - /* Compress DWARF debug sections. */ + && (hdr->bfd_section->flags & SEC_ELF_COMPRESS + || (bfd_section_is_ctf (hdr->bfd_section) + && abfd->is_linker_output))) || hdr == i_shdrpp[elf_onesymtab (abfd)] || (elf_symtab_shndx_list (abfd) != NULL && hdr == i_shdrpp[elf_symtab_shndx_list (abfd)->ndx]) @@ -6222,11 +6227,12 @@ find_section_in_list (unsigned int i, elf_section_list * list) VMAs must be known before this is called. Reloc sections come in two flavours: Those processed specially as - "side-channel" data attached to a section to which they apply, and - those that bfd doesn't process as relocations. The latter sort are - stored in a normal bfd section by bfd_section_from_shdr. We don't - consider the former sort here, unless they form part of the loadable - image. Reloc sections not assigned here will be handled later by + "side-channel" data attached to a section to which they apply, and those that + bfd doesn't process as relocations. The latter sort are stored in a normal + bfd section by bfd_section_from_shdr. We don't consider the former sort + here, unless they form part of the loadable image. Reloc sections not + assigned here (and compressed debugging sections and CTF sections which + nothing else in the file can rely upon) will be handled later by assign_file_positions_for_relocs. We also don't set the positions of the .symtab and .strtab here. */ @@ -6261,9 +6267,12 @@ assign_file_positions_except_relocs (bfd *abfd, hdr = *hdrpp; if (((hdr->sh_type == SHT_REL || hdr->sh_type == SHT_RELA) && hdr->bfd_section == NULL) + /* Do not assign offsets for these sections yet: we don't know + their sizes. */ || (hdr->bfd_section != NULL - && (hdr->bfd_section->flags & SEC_ELF_COMPRESS)) - /* Compress DWARF debug sections. */ + && (hdr->bfd_section->flags & SEC_ELF_COMPRESS + || (bfd_section_is_ctf (hdr->bfd_section) + && abfd->is_linker_output))) || i == elf_onesymtab (abfd) || (elf_symtab_shndx_list (abfd) != NULL && hdr == i_shdrpp[elf_symtab_shndx_list (abfd)->ndx]) @@ -6471,10 +6480,12 @@ _bfd_elf_assign_file_positions_for_non_load (bfd *abfd) asection *sec = shdrp->bfd_section; bfd_boolean is_rel = (shdrp->sh_type == SHT_REL || shdrp->sh_type == SHT_RELA); + bfd_boolean is_ctf = sec && bfd_section_is_ctf (sec); if (is_rel + || is_ctf || (sec != NULL && (sec->flags & SEC_ELF_COMPRESS))) { - if (!is_rel) + if (!is_rel && !is_ctf) { const char *name = sec->name; struct bfd_elf_section_data *d; @@ -6520,6 +6531,13 @@ _bfd_elf_assign_file_positions_for_non_load (bfd *abfd) shdrp->contents = sec->contents; shdrp->bfd_section->contents = NULL; } + else if (is_ctf) + { + /* Update section size and contents. */ + shdrp->sh_size = sec->size; + shdrp->contents = sec->contents; + } + off = _bfd_elf_assign_file_position_for_section (shdrp, off, TRUE); @@ -9099,6 +9117,11 @@ _bfd_elf_set_section_contents (bfd *abfd, hdr = &elf_section_data (section)->this_hdr; if (hdr->sh_offset == (file_ptr) -1) { + if (bfd_section_is_ctf (section)) + /* Nothing to do with this section: the contents are generated + later. */ + return TRUE; + /* We must compress this section. Write output to the buffer. */ unsigned char *contents = hdr->contents; if ((offset + count) > hdr->sh_size |