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PR 7011

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* elf.c (assign_file_positions_for_non_load_sections): Handle
	PT_GNU_RELRO specially.
This commit is contained in:
Andreas Schwab
2008-11-10 22:47:58 +00:00
parent de8ee0e21e
commit 129af99fb5
2 changed files with 72 additions and 65 deletions
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6
bfd/ChangeLog
View File

@ -1,3 +1,9 @@
2008-11-10 Andreas Schwab <schwab@suse.de>
PR 7011
* elf.c (assign_file_positions_for_non_load_sections): Handle
PT_GNU_RELRO specially.
2008-11-06 Joel Sherrill <joel.sherrill@oarcorp.com> 2008-11-06 Joel Sherrill <joel.sherrill@oarcorp.com>
* config.bfd: Add m32c-*-rtems* and m32r-*-rtems*. * config.bfd: Add m32c-*-rtems* and m32r-*-rtems*.

131
bfd/elf.c
View File

@ -4631,74 +4631,14 @@ assign_file_positions_for_non_load_sections (bfd *abfd,
m != NULL; m != NULL;
m = m->next, p++) m = m->next, p++)
{ {
if (m->count != 0) if (p->p_type == PT_GNU_RELRO)
{ {
if (p->p_type != PT_LOAD BFD_ASSERT (!m->includes_filehdr && !m->includes_phdrs);
&& (p->p_type != PT_NOTE
|| bfd_get_format (abfd) != bfd_core))
{
Elf_Internal_Shdr *hdr;
asection *sect;
BFD_ASSERT (!m->includes_filehdr && !m->includes_phdrs); if (link_info != NULL)
sect = m->sections[m->count - 1];
hdr = &elf_section_data (sect)->this_hdr;
p->p_filesz = sect->filepos - m->sections[0]->filepos;
if (hdr->sh_type != SHT_NOBITS)
p->p_filesz += hdr->sh_size;
if (p->p_type == PT_GNU_RELRO)
{
/* When we get here, we are copying executable
or shared library. But we need to use the same
linker logic. */
Elf_Internal_Phdr *lp;
for (lp = phdrs; lp < phdrs + count; ++lp)
{
if (lp->p_type == PT_LOAD
&& lp->p_paddr == p->p_paddr)
break;
}
if (lp < phdrs + count)
{
/* We should use p_size if it is valid since it
may contain the first few bytes of the next
SEC_ALLOC section. */
if (m->p_size_valid)
p->p_filesz = m->p_size;
else
abort ();
p->p_vaddr = lp->p_vaddr;
p->p_offset = lp->p_offset;
p->p_memsz = p->p_filesz;
p->p_align = 1;
}
else
abort ();
}
else
p->p_offset = m->sections[0]->filepos;
}
}
else
{
if (m->includes_filehdr)
{
p->p_vaddr = filehdr_vaddr;
if (! m->p_paddr_valid)
p->p_paddr = filehdr_paddr;
}
else if (m->includes_phdrs)
{
p->p_vaddr = phdrs_vaddr;
if (! m->p_paddr_valid)
p->p_paddr = phdrs_paddr;
}
else if (p->p_type == PT_GNU_RELRO)
{ {
/* During linking the range of the RELRO segment is passed
in link_info. */
Elf_Internal_Phdr *lp; Elf_Internal_Phdr *lp;
for (lp = phdrs; lp < phdrs + count; ++lp) for (lp = phdrs; lp < phdrs + count; ++lp)
@ -4728,6 +4668,67 @@ assign_file_positions_for_non_load_sections (bfd *abfd,
p->p_type = PT_NULL; p->p_type = PT_NULL;
} }
} }
else
{
/* Otherwise we are copying an executable or shared
library. But we need to use the same linker logic. */
Elf_Internal_Phdr *lp;
for (lp = phdrs; lp < phdrs + count; ++lp)
{
if (lp->p_type == PT_LOAD
&& lp->p_paddr == p->p_paddr)
break;
}
if (lp < phdrs + count)
{
/* We should use p_size if it is valid since it
may contain the first few bytes of the next
SEC_ALLOC section. */
if (m->p_size_valid)
p->p_filesz = m->p_size;
else
abort ();
p->p_vaddr = lp->p_vaddr;
p->p_offset = lp->p_offset;
p->p_memsz = p->p_filesz;
p->p_align = 1;
}
else
abort ();
}
}
else if (m->count != 0)
{
if (p->p_type != PT_LOAD
&& (p->p_type != PT_NOTE
|| bfd_get_format (abfd) != bfd_core))
{
Elf_Internal_Shdr *hdr;
asection *sect;
BFD_ASSERT (!m->includes_filehdr && !m->includes_phdrs);
sect = m->sections[m->count - 1];
hdr = &elf_section_data (sect)->this_hdr;
p->p_filesz = sect->filepos - m->sections[0]->filepos;
if (hdr->sh_type != SHT_NOBITS)
p->p_filesz += hdr->sh_size;
p->p_offset = m->sections[0]->filepos;
}
}
else if (m->includes_filehdr)
{
p->p_vaddr = filehdr_vaddr;
if (! m->p_paddr_valid)
p->p_paddr = filehdr_paddr;
}
else if (m->includes_phdrs)
{
p->p_vaddr = phdrs_vaddr;
if (! m->p_paddr_valid)
p->p_paddr = phdrs_paddr;
} }
} }