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Put PUBLIC lines in Mac symbol files.

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Exported symbols on Mach-O binaries are defined in a STABS section. This patch makes stabs_reader handle them, adds support for Extern symbols in the Module class (which are output as PUBLIC lines in symbol files), and the proper processing in stabs_to_module to hook it all up.

A=mark R=jimb at http://breakpad.appspot.com/163001 and http://breakpad.appspot.com/267001

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@778 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
ted.mielczarek
2011-03-04 16:08:39 +00:00
parent 68b256aed3
commit bf25801d83
9 changed files with 270 additions and 11 deletions
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15
src/common/stabs_to_module.h
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@@ -35,8 +35,8 @@
// STABS debugging information from a parser and adds it to a Breakpad
// symbol file.
#ifndef COMMON_LINUX_DUMP_STABS_H__
#define COMMON_LINUX_DUMP_STABS_H__
#ifndef BREAKPAD_COMMON_STABS_TO_MODULE_H_
#define BREAKPAD_COMMON_STABS_TO_MODULE_H_
#include <stdint.h>
@@ -51,12 +51,14 @@ namespace google_breakpad {
using std::string;
using std::vector;
// A StabsToModule is a handler that receives parsed STABS
// debugging information from a StabsReader, and uses that to populate
// A StabsToModule is a handler that receives parsed STABS debugging
// information from a StabsReader, and uses that to populate
// a Module. (All classes are in the google_breakpad namespace.) A
// Module represents the contents of a Breakpad symbol file, and knows
// how to write itself out as such. A StabsToModule thus acts as
// the bridge between STABS and Breakpad data.
// When processing Darwin Mach-O files, this also receives public linker
// symbols, like those found in system libraries.
class StabsToModule: public google_breakpad::StabsHandler {
public:
// Receive parsed debugging information from a StabsReader, and
@@ -77,6 +79,7 @@ class StabsToModule: public google_breakpad::StabsHandler {
bool StartFunction(const string &name, uint64_t address);
bool EndFunction(uint64_t address);
bool Line(uint64_t address, const char *name, int number);
bool Extern(const string &name, uint64_t address);
void Warning(const char *format, ...);
// Do any final processing necessary to make module_ contain all the
@@ -135,6 +138,6 @@ class StabsToModule: public google_breakpad::StabsHandler {
const char *current_source_file_name_;
};
} // namespace google_breakpad
} // namespace google_breakpad
#endif // COMMON_LINUX_DUMP_STABS_H__
#endif // BREAKPAD_COMMON_STABS_TO_MODULE_H_