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Fix for IA-64 gdb backtrace of threads in syscalls, reported by Jeff Johnson.

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* elfcode.h (NAME(bfd_elf,bfd_from_remote_memory)): Check for program
header PF_R flag on PT_LOAD segments.
This commit is contained in:
Jim Wilson
2005-05-31 19:32:29 +00:00
parent 988392e2f5
commit 653bb2ded0
2 changed files with 13 additions and 2 deletions
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10
bfd/elfcode.h
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@@ -1656,7 +1656,10 @@ NAME(_bfd_elf,bfd_from_remote_memory)
for (i = 0; i < i_ehdr.e_phnum; ++i)
{
elf_swap_phdr_in (templ, &x_phdrs[i], &i_phdrs[i]);
if (i_phdrs[i].p_type == PT_LOAD)
/* IA-64 vDSO may have two mappings for one segment, where one mapping
is executable only, and one is read only. We must not use the
executable one. */
if (i_phdrs[i].p_type == PT_LOAD && (i_phdrs[i].p_flags & PF_R))
{
bfd_vma segment_end;
segment_end = (i_phdrs[i].p_offset + i_phdrs[i].p_filesz
@@ -1703,7 +1706,10 @@ NAME(_bfd_elf,bfd_from_remote_memory)
}
for (i = 0; i < i_ehdr.e_phnum; ++i)
if (i_phdrs[i].p_type == PT_LOAD)
/* IA-64 vDSO may have two mappings for one segment, where one mapping
is executable only, and one is read only. We must not use the
executable one. */
if (i_phdrs[i].p_type == PT_LOAD && (i_phdrs[i].p_flags & PF_R))
{
bfd_vma start = i_phdrs[i].p_offset & -i_phdrs[i].p_align;
bfd_vma end = (i_phdrs[i].p_offset + i_phdrs[i].p_filesz