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Update to handle dsym files that end with a header.

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dsym files generated by Xcode for swift (Xcode 7.3) end with a header, and the
code did not handle that case.

BUG=https://bugs.chromium.org/p/google-breakpad/issues/detail?id=689
R=ivanpe@chromium.org

Review URL: https://codereview.chromium.org/1971793002 .
This commit is contained in:
Dave MacLachlan 2016-05-11 14:10:23 -07:00
parent 638066b82e
commit 1bbe2f29c9
1 changed files with 3 additions and 1 deletions
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4
src/common/dwarf/dwarf2reader.cc
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@ -266,7 +266,9 @@ void CompilationUnit::ReadHeader() {
header_.abbrev_offset = reader_->ReadOffset(headerptr); header_.abbrev_offset = reader_->ReadOffset(headerptr);
headerptr += reader_->OffsetSize(); headerptr += reader_->OffsetSize();
assert(headerptr + 1 < buffer_ + buffer_length_); // Compare against less than or equal because this may be the last
// section in the file.
assert(headerptr + 1 <= buffer_ + buffer_length_);
header_.address_size = reader_->ReadOneByte(headerptr); header_.address_size = reader_->ReadOneByte(headerptr);
reader_->SetAddressSize(header_.address_size); reader_->SetAddressSize(header_.address_size);
headerptr += 1; headerptr += 1;