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| author | Nick Clifton <nickc@redhat.com> | 2008-11-14 14:44:09 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2008-11-14 14:44:09 +0000 |
| commit | 2b0bc0884c18624ca338cc984cff5f0a0c0ca9cd (patch) | |
| tree | e818e0cb8aa9f6c1a34211e4c9b5f52047d7bdbe | |
| parent | 4bc251014580513b8b4e3e4a5d1547ca2442644e (diff) | |
| download | gdb-2b0bc0884c18624ca338cc984cff5f0a0c0ca9cd.zip gdb-2b0bc0884c18624ca338cc984cff5f0a0c0ca9cd.tar.gz gdb-2b0bc0884c18624ca338cc984cff5f0a0c0ca9cd.tar.bz2 | |
bfd/
* elf.c (assign_file_positions_for_load_sections): Use header_size
to avoid moving the load address of file headers.
(assign_file_positions_for_load_sections): Set header_size for
segments containing the file header.
include/elf/
* internal.h (struct elf_segment_map): Add header_size field.
| -rw-r--r-- | bfd/ChangeLog | 7 | ||||
| -rw-r--r-- | bfd/elf.c | 21 | ||||
| -rw-r--r-- | include/elf/ChangeLog | 4 | ||||
| -rw-r--r-- | include/elf/internal.h | 2 |
4 files changed, 33 insertions, 1 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 60f7718..4535bfe 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,10 @@ +2008-11-14 Nathan Sidwell <nathan@codesourcery.com> + + * elf.c (assign_file_positions_for_load_sections): Use header_size + to avoid moving the load address of file headers. + (assign_file_positions_for_load_sections): Set header_size for + segments containing the file header. + 2008-11-14 Tristan Gingold <gingold@adacore.com> * configure.com: Handle bfd_default_target_size, BFD_HOST_LONG_LONG, @@ -4158,6 +4158,7 @@ assign_file_positions_for_load_sections (bfd *abfd, bfd_size_type maxpagesize; unsigned int alloc; unsigned int i, j; + bfd_vma header_pad = 0; if (link_info == NULL && !_bfd_elf_map_sections_to_segments (abfd, link_info)) @@ -4165,7 +4166,11 @@ assign_file_positions_for_load_sections (bfd *abfd, alloc = 0; for (m = elf_tdata (abfd)->segment_map; m != NULL; m = m->next) - ++alloc; + { + ++alloc; + if (m->header_size) + header_pad = m->header_size; + } elf_elfheader (abfd)->e_phoff = bed->s->sizeof_ehdr; elf_elfheader (abfd)->e_phentsize = bed->s->sizeof_phdr; @@ -4208,6 +4213,11 @@ assign_file_positions_for_load_sections (bfd *abfd, off = bed->s->sizeof_ehdr; off += alloc * bed->s->sizeof_phdr; + if (header_pad < (bfd_vma) off) + header_pad = 0; + else + header_pad -= off; + off += header_pad; for (m = elf_tdata (abfd)->segment_map, p = phdrs, j = 0; m != NULL; @@ -4395,6 +4405,11 @@ assign_file_positions_for_load_sections (bfd *abfd, p->p_filesz += alloc * bed->s->sizeof_phdr; p->p_memsz += alloc * bed->s->sizeof_phdr; + if (m->count) + { + p->p_filesz += header_pad; + p->p_memsz += header_pad; + } } if (p->p_type == PT_LOAD @@ -5877,6 +5892,10 @@ copy_elf_program_header (bfd *ibfd, bfd *obfd) phdr_included = TRUE; } + if (map->includes_filehdr && first_section) + /* We need to keep the space used by the headers fixed. */ + map->header_size = first_section->vma - segment->p_vaddr; + if (!map->includes_phdrs && !map->includes_filehdr && map->p_paddr_valid) diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog index 2699b03..3cfc24f 100644 --- a/include/elf/ChangeLog +++ b/include/elf/ChangeLog @@ -1,3 +1,7 @@ +2008-11-14 Nathan Sidwell <nathan@codesourcery.com> + + * internal.h (struct elf_segment_map): Add header_size field. + 2008-10-13 Ulrich Weigand <uweigand@de.ibm.com> * common.h (AT_BASE_PLATFORM, AT_EXECFN): Define. diff --git a/include/elf/internal.h b/include/elf/internal.h index 513f676..9ea175c 100644 --- a/include/elf/internal.h +++ b/include/elf/internal.h @@ -266,6 +266,8 @@ struct elf_segment_map bfd_vma p_align; /* Segment size in file and memory */ bfd_vma p_size; + /* Required size of filehdr + phdrs, if non-zero */ + bfd_vma header_size; /* Whether the p_flags field is valid; if not, the flags are based on the section flags. */ unsigned int p_flags_valid : 1; |