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Defer adding sections until ELF::Finish in synth_elf

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A=Mike Hommey <mh@glandium.org>
R=ted at https://breakpad.appspot.com/543002/

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1135 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
ted.mielczarek@gmail.com 2013-03-29 15:06:29 +00:00
parent ece9df9386
commit 637c392d1c
2 changed files with 33 additions and 6 deletions
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20
src/common/linux/synth_elf.cc
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@ -115,18 +115,22 @@ int ELF::AddSection(const string& name, const Section& section,
// sh_entsize
.Append(endianness(), addr_size_, entsize);
sections_.push_back(ElfSection(section, type, offset, offset_label));
return index;
}
void ELF::AppendSection(ElfSection &section) {
// NULL and NOBITS sections have no content, so they
// don't need to be written to the file.
if (type == SHT_NULL) {
offset_label = 0;
} else if (type == SHT_NOBITS) {
offset_label = offset;
if (section.type_ == SHT_NULL) {
section.offset_label_ = 0;
} else if (section.type_ == SHT_NOBITS) {
section.offset_label_ = section.offset_;
} else {
Mark(&offset_label);
Mark(&section.offset_label_);
Append(section);
Align(4);
}
return index;
}
void ELF::Finish() {
@ -136,6 +140,10 @@ void ELF::Finish() {
AddSection(".shstrtab", section_header_strings_, SHT_STRTAB);
//printf("section_count_: %ld, sections_.size(): %ld\n",
// section_count_, sections_.size());
for (vector<ElfSection>::iterator it = sections_.begin();
it < sections_.end(); ++it) {
AppendSection(*it);
}
section_count_label_ = section_count_;
program_count_label_ = program_count_;
// TODO: allow adding entries to program header table