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This patch allows Breakpad's DWARF reader to at least read or skip attributes using the new forms defined in version 4 of the DWARF specification, instead of crashing. Attributes encoded using DW_FORM_flag_present, DW_FORM_sec_offset, and DW_FORM_exprloc should work fine now. However, compilation units using DW_FORM_ref_sig8 to refer to types in .debug_types will need further work to support. (GCC 4.6.2 does not emit .debug_types sections.) Specifically: - dwarf2reader::DwarfForm gets new values. - dwarf2reader::Dwarf2Handler and dwarf2reader::DIEHandler get new handler methods, named ProcessAttributeSignature, for DW_FORM_ref_sig8 attributes. - dwarf2reader::CompilationUnit reads DW_FORM_ref_sig8 attributes, and passes them to ProcessAttributeSignature. It also gets support for DW_FORM_sec_offset, DW_FORM_exprloc, and DW_FORM_flag_present, using the existing appropriate ProcessAttribute* methods. - dwarf2reader::DIEDispatcher passes through ProcessAttributeSignature attributes to its DIEHandler. - Unit tests are updated. a=jimb, r=ted.mielczarek Review URL: http://breakpad.appspot.com/343003/ git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@912 4c0a9323-5329-0410-9bdc-e9ce6186880e |
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| .. | ||
| client | ||
| common | ||
| google_breakpad | ||
| processor | ||
| third_party | ||
| tools | ||
| breakpad_googletest_includes.h | ||
| config.h.in | ||