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Merge "Do not adjust PT_GNU_STACK segment"

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Dmitriy Ivanov 2015-05-04 19:35:50 +00:00 committed by Gerrit Code Review
commit 2c3d8d8b2c
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;