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Do not adjust PT_GNU_STACK segment

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Bug: http://b/20687795
Bug: http://b/18051137
Change-Id: Ie8af3892cfbebcc0249e7981284c4ad97ff40317
(cherry picked from commit 064a9800f372b8efd6d7b08150ab5204e5304c84)
This commit is contained in:
Dmitriy Ivanov 2015-05-04 11:11:23 -07:00
parent 64a8698809
commit 4637f3d66d
1 changed files with 7 additions and 0 deletions
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7
tools/relocation_packer/src/elf_file.cc
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@ -312,6 +312,13 @@ static void AdjustProgramHeaderOffsets(typename ELF::Phdr* program_headers,
for (size_t i = 0; i < count; ++i) {
typename ELF::Phdr* program_header = &program_headers[i];
// Do not adjust PT_GNU_STACK - it confuses gdb and results
// in incorrect unwinding if the executable is stripped after
// packing.
if (program_header->p_type == PT_GNU_STACK) {
continue;
}
if (program_header->p_offset > hole_start) {
// The hole start is past this segment, so adjust offset.
program_header->p_offset += hole_size;