Fix Android build.

This patch fixes the Android build, and updates the NDK test
application to use the new Linux ExceptionHandler API.

+ Use string insted of std::string in minidump_descriptor.h
Review URL: https://breakpad.appspot.com/433002

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1016 4c0a9323-5329-0410-9bdc-e9ce6186880e

android/google_breakpad/Android.mk

@@ -77,6 +77,7 @@ LOCAL_ARM_MODE := arm
 LOCAL_SRC_FILES := \
     src/client/linux/crash_generation/crash_generation_client.cc \
     src/client/linux/handler/exception_handler.cc \
+    src/client/linux/handler/minidump_descriptor.cc \
     src/client/linux/log/log.cc \
     src/client/linux/minidump_writer/linux_dumper.cc \
     src/client/linux/minidump_writer/linux_ptrace_dumper.cc \

android/sample_app/jni/test_breakpad.cpp

@@ -30,14 +30,14 @@
 #include <stdio.h>
 
 #include "client/linux/handler/exception_handler.h"
+#include "client/linux/handler/minidump_descriptor.h"
 
 namespace {
 
-bool DumpCallback(const char* dump_path,
-                  const char* minidump_id,
+bool DumpCallback(const google_breakpad::MinidumpDescriptor& descriptor,
                   void* context,
                   bool succeeded) {
-  printf("Dump path: %s/%s.dmp\n", dump_path, minidump_id);
+  printf("Dump path: %s\n", descriptor.path());
   return succeeded;
 }
 
@@ -49,7 +49,9 @@ void Crash() {
 }  // namespace
 
 int main(int argc, char* argv[]) {
-  google_breakpad::ExceptionHandler eh(".", NULL, DumpCallback, NULL, true);
+  google_breakpad::MinidumpDescriptor descriptor(".");
+  google_breakpad::ExceptionHandler eh(descriptor, NULL, DumpCallback,
+                                       NULL, true, -1);
   Crash();
   return 0;
 }

src/client/linux/handler/exception_handler.cc

@@ -326,11 +326,16 @@ bool ExceptionHandler::HandleSignal(int sig, siginfo_t* info, void* uc) {
 // This is a public interface to HandleSignal that allows the client to
 // generate a crash dump. This function may run in a compromised context.
 bool ExceptionHandler::SimulateSignalDelivery(int sig) {
+#ifdef __ANDROID__
+  // Android doesn't provide getcontext().
+  return false;
+#else
   siginfo_t siginfo;
   my_memset(&siginfo, 0, sizeof(siginfo_t));
   struct ucontext context;
   getcontext(&context);
   return HandleSignal(sig, &siginfo, &context);
+#endif
 }
 
 // This function may run in a compromised context: see the top of the file.

src/client/linux/handler/minidump_descriptor.h

@@ -33,6 +33,8 @@
 #include <assert.h>
 #include <string>
 
+#include "common/using_std_string.h"
+
 // The MinidumpDescriptor describes how to access a minidump: it can contain
 // either a file descriptor or a path.
 // Note that when using files, it is created with the path to a directory.
@@ -71,9 +73,9 @@ class MinidumpDescriptor {
   const int fd_;
 
   // The directory where the minidump should be generated.
-  const std::string directory_;
+  const string directory_;
   // The full path to the generated minidump.
-  std::string path_;
+  string path_;
   // The C string of |path_|. Precomputed so it can be access from a compromised
   // context.
   const char* c_path_;