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authorjimblandy <jimblandy@4c0a9323-5329-0410-9bdc-e9ce6186880e>2010-02-10 17:55:24 +0000
committerjimblandy <jimblandy@4c0a9323-5329-0410-9bdc-e9ce6186880e>2010-02-10 17:55:24 +0000
commitdd5067f391baee2561404f8e2915429b3d638ff7 (patch)
tree0efae97bac0c1ebb82718de14de38d31b2766229 /Makefile.am
parentBreakpad Linux dumper: Don't be silly about global functions. (diff)
downloadbreakpad-dd5067f391baee2561404f8e2915429b3d638ff7.tar.xz
Linux DWARF reader: Follow DW_AT_abstract_origin links to find function names.
Without this patch, debugging information like the following will produce FUNC records with no names, because the dumper (correctly) ignores the DW_TAG_subprogram DIEs that lack DW_AT_low_pc/DW_AT_high_pc attributes, but won't follow the DW_AT_abstract_origin link from the DIE that does have code addresses to find its name. <1><168>: Abbrev Number: 5 (DW_TAG_class_type) <169> DW_AT_name : Foo <2><183>: Abbrev Number: 7 (DW_TAG_subprogram) <185> DW_AT_name : Foo <18b> DW_AT_declaration : 1 <1><1b7>: Abbrev Number: 12 (DW_TAG_subprogram) <1b8> DW_AT_specification: <0x183> <1bc> DW_AT_inline : 2 (declared as inline but ignored) <1><1dc>: Abbrev Number: 16 (DW_TAG_subprogram) <1dd> DW_AT_abstract_origin: <0x1b7> <1e1> DW_AT_low_pc : 0x8048578 <1e5> DW_AT_high_pc : 0x8048588 a=dmuir, r=jimblandy git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@520 4c0a9323-5329-0410-9bdc-e9ce6186880e
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