Put PUBLIC lines in Mac symbol files.

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

1 files changed, 11 insertions, 1 deletions

diff --git a/src/common/stabs_reader.h b/src/common/stabs_reader.h
index c17fcc7a..b22ebfd3 100644
--- a/src/common/stabs_reader.h
+++ b/src/common/stabs_reader.h
@@ -193,7 +193,11 @@ class StabsReader {
   // Return true to continue processing, or false to abort.
   bool ProcessFunction();
 
-  // The STABS entries we're parsing.
+  // Process an exported function symbol.
+  // Return true to continue processing, or false to abort.
+  bool ProcessExtern();
+
+  // The STABS entries being parsed.
   ByteBuffer entries_;
 
   // The string section to which the entries refer.
@@ -305,6 +309,12 @@ class StabsHandler {
     return true;
   }
 
+  // Report that an exported function NAME is present at ADDRESS.
+  // The size of the function is unknown.
+  virtual bool Extern(const std::string &name, uint64_t address) {
+    return true;
+  }
+
   // Report a warning.  FORMAT is a printf-like format string,
   // specifying how to format the subsequent arguments.
   virtual void Warning(const char *format, ...) = 0;