Changes to get the breakpad client compiling and running on Android using

ndk-7b.

Patch by Carlos Valdivia <carlosvaldivia@google.com>

Review URL: https://breakpad.appspot.com/363001/


git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@945 4c0a9323-5329-0410-9bdc-e9ce6186880e

src/client/linux/android_link.h

@@ -33,7 +33,11 @@
 #ifndef GOOGLE_BREAKPAD_CLIENT_LINUX_ANDROID_LINK_H_
 #define GOOGLE_BREAKPAD_CLIENT_LINUX_ANDROID_LINK_H_
 
-#include <sys/exec_elf.h>
+// TODO(zhenghao): exec_elf.h conflicts with linux/elf.h.
+// But we still need ELFSIZE.
+//#include <sys/exec_elf.h>
+#include <machine/exec.h>
+#define ELFSIZE ARCH_ELFSIZE
 
 #ifndef ElfW
 #define ElfW(type)	_ElfW (Elf, ELFSIZE, type)

src/client/linux/handler/exception_handler.cc

@@ -90,6 +90,7 @@
 
 #include "common/linux/linux_libc_support.h"
 #include "common/memory.h"
+#include "client/linux/log/log.h"
 #include "client/linux/minidump_writer/linux_dumper.h"
 #include "client/linux/minidump_writer/minidump_writer.h"
 #include "common/linux/guid_creator.h"
@@ -391,14 +392,20 @@ bool ExceptionHandler::GenerateDump(CrashContext *context) {
     // is the write() and read() calls will fail with EBADF
     static const char no_pipe_msg[] = "ExceptionHandler::GenerateDump \
                                        sys_pipe failed:";
-    sys_write(2, no_pipe_msg, sizeof(no_pipe_msg) - 1);
-    sys_write(2, strerror(errno), strlen(strerror(errno)));
-    sys_write(2, "\n", 1);
+    logger::write(no_pipe_msg, sizeof(no_pipe_msg) - 1);
+    logger::write(strerror(errno), strlen(strerror(errno)));
+    logger::write("\n", 1);
   }
 
+#if defined(__ANDROID__)
+  const pid_t child = clone(
+      ThreadEntry, stack, CLONE_FILES | CLONE_FS | CLONE_UNTRACED,
+      &thread_arg);
+#else
   const pid_t child = sys_clone(
       ThreadEntry, stack, CLONE_FILES | CLONE_FS | CLONE_UNTRACED,
       &thread_arg, NULL, NULL, NULL);
+#endif
   int r, status;
   // Allow the child to ptrace us
   sys_prctl(PR_SET_PTRACER, child);
@@ -412,9 +419,9 @@ bool ExceptionHandler::GenerateDump(CrashContext *context) {
 
   if (r == -1) {
     static const char msg[] = "ExceptionHandler::GenerateDump waitpid failed:";
-    sys_write(2, msg, sizeof(msg) - 1);
-    sys_write(2, strerror(errno), strlen(strerror(errno)));
-    sys_write(2, "\n", 1);
+    logger::write(msg, sizeof(msg) - 1);
+    logger::write(strerror(errno), strlen(strerror(errno)));
+    logger::write("\n", 1);
   }
 
   bool success = r != -1 && WIFEXITED(status) && WEXITSTATUS(status) == 0;
@@ -434,9 +441,9 @@ void ExceptionHandler::SendContinueSignalToChild() {
   if(r == -1) {
     static const char msg[] = "ExceptionHandler::SendContinueSignalToChild \
                                sys_write failed:";
-    sys_write(2, msg, sizeof(msg) - 1);
-    sys_write(2, strerror(errno), strlen(strerror(errno)));
-    sys_write(2, "\n", 1);
+    logger::write(msg, sizeof(msg) - 1);
+    logger::write(strerror(errno), strlen(strerror(errno)));
+    logger::write("\n", 1);
   }
 }
 
@@ -449,9 +456,9 @@ void ExceptionHandler::WaitForContinueSignal() {
   if(r == -1) {
     static const char msg[] = "ExceptionHandler::WaitForContinueSignal \
                                sys_read failed:";
-    sys_write(2, msg, sizeof(msg) - 1);
-    sys_write(2, strerror(errno), strlen(strerror(errno)));
-    sys_write(2, "\n", 1);
+    logger::write(msg, sizeof(msg) - 1);
+    logger::write(strerror(errno), strlen(strerror(errno)));
+    logger::write("\n", 1);
   }
 }
 

src/client/linux/log/log.cc

@@ -0,0 +1,48 @@
+// Copyright (c) 2012 Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "client/linux/log/log.h"
+
+#if defined(__ANDROID__)
+#include <android/log.h>
+#else
+#include "third_party/lss/linux_syscall_support.h"
+#endif
+
+namespace logger {
+
+int write(const char* buf, size_t nbytes) {
+#if defined(__ANDROID__)
+  return __android_log_write(ANDROID_LOG_WARN, "google-breakpad", buf);
+#else
+  return sys_write(2, buf, nbytes);
+#endif
+}
+
+}  // namespace logger

src/client/linux/log/log.h

@@ -0,0 +1,41 @@
+// Copyright (c) 2012, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef CLIENT_LINUX_LOG_LOG_H_
+#define CLIENT_LINUX_LOG_LOG_H_
+
+#include <stddef.h>
+
+namespace logger {
+
+int write(const char* buf, size_t nbytes);
+
+}  // namespace logger
+
+#endif  // CLIENT_LINUX_LOG_LOG_H_

src/client/linux/minidump_writer/minidump_writer.cc

@@ -46,19 +46,19 @@
 #include "client/linux/minidump_writer/minidump_writer.h"
 #include "client/minidump_file_writer-inl.h"
 
+#include <ctype.h>
 #include <errno.h>
 #include <fcntl.h>
 #if !defined(__ANDROID__)
 #include <link.h>
 #endif
 #include <stdio.h>
-#include <unistd.h>
-#include <ctype.h>
 #if !defined(__ANDROID__)
 #include <sys/ucontext.h>
 #include <sys/user.h>
 #endif
 #include <sys/utsname.h>
+#include <unistd.h>
 
 #include <algorithm>
 
@@ -72,10 +72,11 @@
 #include "client/linux/handler/exception_handler.h"
 #include "client/linux/minidump_writer/line_reader.h"
 #include "client/linux/minidump_writer/linux_dumper.h"
-#include "client/linux/minidump_writer/linux_core_dumper.h"
 #include "client/linux/minidump_writer/linux_ptrace_dumper.h"
 #include "client/linux/minidump_writer/minidump_extension_linux.h"
+#include "client/minidump_file_writer.h"
 #include "common/linux/linux_libc_support.h"
+#include "google_breakpad/common/minidump_format.h"
 #include "third_party/lss/linux_syscall_support.h"
 
 // Minidump defines register structures which are different from the raw
@@ -1336,12 +1337,10 @@ bool WriteMinidump(const char* filename, pid_t crashing_process,
   return writer.Dump();
 }
 
-bool WriteMinidumpFromCore(const char* filename,
-                           const char* core_path,
-                           const char* procfs_override) {
-  MappingList mappings;
-  LinuxCoreDumper dumper(0, core_path, procfs_override);
-  MinidumpWriter writer(filename, NULL, mappings, &dumper);
+bool WriteMinidump(const char* filename,
+                   const MappingList& mappings,
+                   LinuxDumper* dumper) {
+  MinidumpWriter writer(filename, NULL, mappings, dumper);
   if (!writer.Init())
     return false;
   return writer.Dump();

src/client/linux/minidump_writer/minidump_writer.h

@@ -36,12 +36,19 @@
 #include <list>
 #include <utility>
 
+#include "client/linux/minidump_writer/linux_dumper.h"
 #include "google_breakpad/common/minidump_format.h"
 
 namespace google_breakpad {
 
+class ExceptionHandler;
+
+struct MappingEntry {
+  MappingInfo first;
+  u_int8_t second[sizeof(MDGUID)];
+};
+
 // A list of <MappingInfo, GUID>
-typedef std::pair<struct MappingInfo, u_int8_t[sizeof(MDGUID)]> MappingEntry;
 typedef std::list<MappingEntry> MappingList;
 
 // Write a minidump to the filesystem. This function does not malloc nor use
@@ -62,11 +69,9 @@ bool WriteMinidump(const char* filename, pid_t crashing_process,
                    const void* blob, size_t blob_size,
                    const MappingList& mappings);
 
-// Write a minidump to the filesystem.  Same as above, but uses the given
-// core file and procfs directory to generate the minidump post mortem.
-bool WriteMinidumpFromCore(const char* filename,
-                           const char* core_path,
-                           const char* procfs_override);
+bool WriteMinidump(const char* filename,
+                   const MappingList& mappings,
+                   LinuxDumper* dumper);
 
 }  // namespace google_breakpad