Improving the support for Fuchsia in Breakpad Processor.

Now decoding the OS name and exception codes for Fuchsia. Still not decoding exception flags (can be added later, if needed).

Change-Id: If66cb000828be18f0c1b35d1b1f52b3ca3e1fd67
Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/1699049
Reviewed-by: Mark Mentovai <mark@chromium.org>

2 files changed, 61 insertions, 1 deletions

diff --git a/src/google_breakpad/common/minidump_exception_fuchsia.h b/src/google_breakpad/common/minidump_exception_fuchsia.h
new file mode 100644
index 00000000..f26a8a2a
--- /dev/null
+++ b/src/google_breakpad/common/minidump_exception_fuchsia.h
@@ -0,0 +1,58 @@
+/* Copyright (c) 2019, 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. */
+
+/* minidump_exception_fuchsia.h: A definition of exception codes for Fuchsia.
+ *
+ * Author: Ivan Penkov */
+
+#ifndef GOOGLE_BREAKPAD_COMMON_MINIDUMP_EXCEPTION_FUCHSIA_H_
+#define GOOGLE_BREAKPAD_COMMON_MINIDUMP_EXCEPTION_FUCHSIA_H_
+
+#include <stddef.h>
+
+#include "google_breakpad/common/breakpad_types.h"
+
+// Based on zircon/system/public/zircon/syscalls/exception.h
+typedef enum {
+  // Architectural exceptions
+  MD_EXCEPTION_CODE_FUCHSIA_GENERAL = 0x8,
+  MD_EXCEPTION_CODE_FUCHSIA_FATAL_PAGE_FAULT = 0x108,
+  MD_EXCEPTION_CODE_FUCHSIA_UNDEFINED_INSTRUCTION = 0x208,
+  MD_EXCEPTION_CODE_FUCHSIA_SW_BREAKPOINT = 0x308,
+  MD_EXCEPTION_CODE_FUCHSIA_HW_BREAKPOINT = 0x408,
+  MD_EXCEPTION_CODE_FUCHSIA_UNALIGNED_ACCESS = 0x508,
+  //
+  // Synthetic exceptions
+  MD_EXCEPTION_CODE_FUCHSIA_THREAD_STARTING = 0x8008,
+  MD_EXCEPTION_CODE_FUCHSIA_THREAD_EXITING = 0x8108,
+  MD_EXCEPTION_CODE_FUCHSIA_POLICY_ERROR = 0x8208,
+  MD_EXCEPTION_CODE_FUCHSIA_PROCESS_STARTING = 0x8308,
+} MDExceptionCodeFuchsia;
+
+#endif  // GOOGLE_BREAKPAD_COMMON_MINIDUMP_EXCEPTION_FUCHSIA_H_
diff --git a/src/google_breakpad/common/minidump_format.h b/src/google_breakpad/common/minidump_format.h
index 04c94cd3..6eceddbb 100644
--- a/src/google_breakpad/common/minidump_format.h
+++ b/src/google_breakpad/common/minidump_format.h
@@ -549,6 +549,7 @@ typedef struct {
   uint64_t  exception_information[MD_EXCEPTION_MAXIMUM_PARAMETERS];
 } MDException;  /* MINIDUMP_EXCEPTION */
 
+#include "minidump_exception_fuchsia.h"
 #include "minidump_exception_linux.h"
 #include "minidump_exception_mac.h"
 #include "minidump_exception_ps3.h"
@@ -678,7 +679,8 @@ typedef enum {
   MD_OS_SOLARIS       = 0x8202,  /* Solaris */
   MD_OS_ANDROID       = 0x8203,  /* Android */
   MD_OS_PS3           = 0x8204,  /* PS3 */
-  MD_OS_NACL          = 0x8205   /* Native Client (NaCl) */
+  MD_OS_NACL          = 0x8205,  /* Native Client (NaCl) */
+  MD_OS_FUCHSIA       = 0x8206   /* Fuchsia */
 } MDOSPlatform;
 
 typedef struct {