Adds the ability to designate a folder with sym files in it that will be used for symbol matching

to crash_report.


git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@207 4c0a9323-5329-0410-9bdc-e9ce6186880e

1 files changed, 66 insertions, 1 deletions

diff --git a/src/tools/mac/crash_report/on_demand_symbol_supplier.mm b/src/tools/mac/crash_report/on_demand_symbol_supplier.mm
index 5f3bee91..b8501955 100644
--- a/src/tools/mac/crash_report/on_demand_symbol_supplier.mm
+++ b/src/tools/mac/crash_report/on_demand_symbol_supplier.mm
@@ -47,8 +47,73 @@ using google_breakpad::PathnameStripper;
 using google_breakpad::SymbolSupplier;
 using google_breakpad::SystemInfo;
 
-OnDemandSymbolSupplier::OnDemandSymbolSupplier(const string &search_dir)
+OnDemandSymbolSupplier::OnDemandSymbolSupplier(const string &search_dir, 
+                                               const string &symbol_search_dir)
   : search_dir_(search_dir) {
+  NSFileManager *mgr = [NSFileManager defaultManager];
+  int length = symbol_search_dir.length();
+  if (length) {
+    // Load all sym files in symbol_search_dir into our module_file_map
+    // A symbol file always starts with a line like this:
+    // MODULE mac x86 BBF0A8F9BEADDD2048E6464001CA193F0 GoogleDesktopDaemon
+    // or
+    // MODULE mac ppc BBF0A8F9BEADDD2048E6464001CA193F0 GoogleDesktopDaemon
+    const char *symbolSearchStr = symbol_search_dir.c_str();
+    NSString *symbolSearchPath = 
+      [mgr stringWithFileSystemRepresentation:symbolSearchStr 
+                                       length:strlen(symbolSearchStr)];
+    NSDirectoryEnumerator *dirEnum = [mgr enumeratorAtPath:symbolSearchPath];
+    NSString *fileName;
+    NSCharacterSet *hexSet = 
+      [NSCharacterSet characterSetWithCharactersInString:@"0123456789ABCDEF"];
+    NSCharacterSet *newlineSet = 
+      [NSCharacterSet characterSetWithCharactersInString:@"\r\n"];
+    while ((fileName = [dirEnum nextObject])) {
+      // Check to see what type of file we have
+      NSDictionary *attrib = [dirEnum fileAttributes];
+      NSString *fileType = [attrib objectForKey:NSFileType];
+      if ([fileType isEqualToString:NSFileTypeDirectory]) {
+        // Skip subdirectories
+        [dirEnum skipDescendents];
+      } else {
+        NSString *filePath = [symbolSearchPath stringByAppendingPathComponent:fileName];
+        NSString *dataStr = [[[NSString alloc] initWithContentsOfFile:filePath] autorelease];
+        if (dataStr) {
+          // Check file to see if it is of appropriate type, and grab module
+          // name.
+          NSScanner *scanner = [NSScanner scannerWithString:dataStr];
+          BOOL goodScan = [scanner scanString:@"MODULE mac " intoString:nil];
+          if (goodScan) {
+            goodScan = ([scanner scanString:@"x86 " intoString:nil] ||
+                        [scanner scanString:@"ppc " intoString:nil]);
+            if (goodScan) {
+              NSString *moduleID;
+              goodScan = [scanner scanCharactersFromSet:hexSet 
+                                             intoString:&moduleID];
+              if (goodScan) {
+                // Module IDs are always 33 chars long
+                goodScan = [moduleID length] == 33;
+                if (goodScan) {
+                  NSString *moduleName;
+                  goodScan = [scanner scanUpToCharactersFromSet:newlineSet 
+                                                     intoString:&moduleName];
+                  if (goodScan) {
+                    goodScan = [moduleName length] > 0;
+                    if (goodScan) {
+                      const char *moduleNameStr = [moduleName UTF8String];
+                      const char *filePathStr = [filePath fileSystemRepresentation];
+                      // Map our file
+                      module_file_map_[moduleNameStr] = filePathStr;
+                    }
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  }
 }
 
 SymbolSupplier::SymbolResult