bfd/
* elf.c (assign_file_positions_for_load_sections): Adjust p_vaddr by p_vaddr_offset. Copy alignment & use if it is valid. (rewrite_elf_program_headers): Cope with leading padding in a segment that does not contain file or program headers. (copy_elf_program_header): Likewise. include/elf/ * internal.h (struct elf_segment_map): Add p_vaddr_offset field.
This commit is contained in:
Nathan Sidwell
parent
f6fe8b4514
commit
3271a81418
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@ -1,3 +1,11 @@
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2006-12-19 Nathan Sidwell <nathan@codesourcery.com>
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* elf.c (assign_file_positions_for_load_sections): Adjust p_vaddr
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by p_vaddr_offset. Copy alignment & use if it is valid.
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(rewrite_elf_program_headers): Cope with leading padding in a
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segment that does not contain file or program headers.
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(copy_elf_program_header): Likewise.
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2006-12-15 Mark Kettenis <kettenis@gnu.org>
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* config.bfd: (sh*-*-openbsd*): Add target.
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@ -57,6 +65,7 @@
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* elf64-alpha.c (elf64_alpha_merge_symbol_attribute): New function.
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(elf_backend_merge_symbol_attribute): Define.
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>>>>>>> 1.3701
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2006-12-04 Jan Beulich <jbeulich@novell.com>
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* elflink.c (_bfd_elf_link_create_dynamic_sections): Don't create
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50
bfd/elf.c
50
bfd/elf.c
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@ -4326,7 +4326,7 @@ assign_file_positions_for_load_sections (bfd *abfd,
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if (m->count == 0)
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p->p_vaddr = 0;
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else
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p->p_vaddr = m->sections[0]->vma;
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p->p_vaddr = m->sections[0]->vma - m->p_vaddr_offset;
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if (m->p_paddr_valid)
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p->p_paddr = m->p_paddr;
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@ -4353,6 +4353,8 @@ assign_file_positions_for_load_sections (bfd *abfd,
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}
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else if (m->count == 0)
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p->p_align = 1 << bed->s->log_file_align;
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else if (m->p_align_valid)
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p->p_align = m->p_align;
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else
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p->p_align = 0;
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@ -4363,18 +4365,22 @@ assign_file_positions_for_load_sections (bfd *abfd,
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bfd_vma adjust;
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unsigned int align_power = 0;
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for (i = 0, secpp = m->sections; i < m->count; i++, secpp++)
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if (m->p_align_valid)
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align = p->p_align;
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else
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{
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unsigned int secalign;
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secalign = bfd_get_section_alignment (abfd, *secpp);
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if (secalign > align_power)
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align_power = secalign;
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for (i = 0, secpp = m->sections; i < m->count; i++, secpp++)
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{
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unsigned int secalign;
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secalign = bfd_get_section_alignment (abfd, *secpp);
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if (secalign > align_power)
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align_power = secalign;
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}
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align = (bfd_size_type) 1 << align_power;
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if (align < maxpagesize)
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align = maxpagesize;
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}
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align = (bfd_size_type) 1 << align_power;
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if (align < maxpagesize)
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align = maxpagesize;
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adjust = vma_page_aligned_bias (m->sections[0]->vma, off, align);
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off += adjust;
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@ -4605,6 +4611,7 @@ assign_file_positions_for_load_sections (bfd *abfd,
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if (p->p_type == PT_GNU_RELRO)
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p->p_align = 1;
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else if (align > p->p_align
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&& !m->p_align_valid
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&& (p->p_type != PT_LOAD
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|| (abfd->flags & D_PAGED) == 0))
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p->p_align = align;
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@ -5581,7 +5588,14 @@ rewrite_elf_program_header (bfd *ibfd, bfd *obfd)
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map->count = section_count;
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*pointer_to_map = map;
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pointer_to_map = &map->next;
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if (matching_lma != map->p_paddr
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&& !map->includes_filehdr && !map->includes_phdrs)
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/* There is some padding before the first section in the
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segment. So, we must account for that in the output
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segment's vma. */
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map->p_vaddr_offset = matching_lma - map->p_paddr;
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free (sections);
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continue;
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}
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@ -5800,6 +5814,7 @@ copy_elf_program_header (bfd *ibfd, bfd *obfd)
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unsigned int section_count;
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bfd_size_type amt;
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Elf_Internal_Shdr *this_hdr;
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bfd_vma first_lma = 0;
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/* FIXME: Do we need to copy PT_NULL segment? */
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if (segment->p_type == PT_NULL)
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@ -5812,7 +5827,11 @@ copy_elf_program_header (bfd *ibfd, bfd *obfd)
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{
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this_hdr = &(elf_section_data(section)->this_hdr);
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if (ELF_IS_SECTION_IN_SEGMENT_FILE (this_hdr, segment))
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section_count++;
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{
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if (!section_count || section->lma < first_lma)
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first_lma = section->lma;
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section_count++;
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}
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}
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/* Allocate a segment map big enough to contain
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@ -5834,6 +5853,7 @@ copy_elf_program_header (bfd *ibfd, bfd *obfd)
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map->p_paddr_valid = 1;
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map->p_align = segment->p_align;
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map->p_align_valid = 1;
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map->p_vaddr_offset = 0;
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/* Determine if this segment contains the ELF file header
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and if it contains the program headers themselves. */
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@ -5853,6 +5873,10 @@ copy_elf_program_header (bfd *ibfd, bfd *obfd)
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phdr_included = TRUE;
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}
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if (!map->includes_phdrs && !map->includes_filehdr)
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/* There is some other padding before the first section. */
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map->p_vaddr_offset = first_lma - segment->p_paddr;
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if (section_count != 0)
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{
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unsigned int isec = 0;
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@ -1,3 +1,7 @@
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2006-12-19 Nathan Sidwell <nathan@codesourcery.com>
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* internal.h (struct elf_segment_map): Add p_vaddr_offset field.
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2006-12-07 Kazu Hirata <kazu@codesourcery.com>
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* m68k.h (EF_M68K_ISA_MASK, EF_M68K_ISA_A_NODIV,
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@ -235,6 +235,8 @@ struct elf_segment_map
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unsigned long p_flags;
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/* Program segment physical address. */
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bfd_vma p_paddr;
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/* Program segment virtual address offset from section vma. */
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bfd_vma p_vaddr_offset;
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/* Program segment alignment. */
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bfd_vma p_align;
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/* Whether the p_flags field is valid; if not, the flags are based
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