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Improving the support for Fuchsia in Breakpad Processor.

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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>
This commit is contained in:
Ivan Penkov
2019-07-11 18:34:48 -07:00
parent 02dd8e0da7
commit 4a6d7c70cc
5 changed files with 124 additions and 7 deletions
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63
src/processor/minidump_processor.cc
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@@ -647,6 +647,11 @@ bool MinidumpProcessor::GetOSInfo(Minidump *dump, SystemInfo *info) {
break;
}
case MD_OS_FUCHSIA: {
info->os = "Fuchsia";
break;
}
default: {
// Assign the numeric platform ID into the OS string.
char os_string[11];
@@ -717,10 +722,12 @@ string MinidumpProcessor::GetCrashReason(Minidump *dump, uint64_t *address) {
// map the codes to a string (because there's no system info, or because
// it's an unrecognized platform, or because it's an unrecognized code.)
char reason_string[24];
char flags_string[11];
uint32_t exception_code = raw_exception->exception_record.exception_code;
uint32_t exception_flags = raw_exception->exception_record.exception_flags;
snprintf(reason_string, sizeof(reason_string), "0x%08x / 0x%08x",
exception_code, exception_flags);
snprintf(flags_string, sizeof(flags_string), "0x%08x", exception_flags);
snprintf(reason_string, sizeof(reason_string), "0x%08x / %s", exception_code,
flags_string);
string reason = reason_string;
const MDRawSystemInfo *raw_system_info = GetSystemInfo(dump, NULL);
@@ -728,10 +735,56 @@ string MinidumpProcessor::GetCrashReason(Minidump *dump, uint64_t *address) {
return reason;
switch (raw_system_info->platform_id) {
case MD_OS_FUCHSIA: {
switch (exception_code) {
case MD_EXCEPTION_CODE_FUCHSIA_GENERAL:
reason = "GENERAL / ";
reason.append(flags_string);
break;
case MD_EXCEPTION_CODE_FUCHSIA_FATAL_PAGE_FAULT:
reason = "FATAL_PAGE_FAULT / ";
reason.append(flags_string);
break;
case MD_EXCEPTION_CODE_FUCHSIA_UNDEFINED_INSTRUCTION:
reason = "UNDEFINED_INSTRUCTION / ";
reason.append(flags_string);
break;
case MD_EXCEPTION_CODE_FUCHSIA_SW_BREAKPOINT:
reason = "SW_BREAKPOINT / ";
reason.append(flags_string);
break;
case MD_EXCEPTION_CODE_FUCHSIA_HW_BREAKPOINT:
reason = "HW_BREAKPOINT / ";
reason.append(flags_string);
break;
case MD_EXCEPTION_CODE_FUCHSIA_UNALIGNED_ACCESS:
reason = "UNALIGNED_ACCESS / ";
reason.append(flags_string);
break;
case MD_EXCEPTION_CODE_FUCHSIA_THREAD_STARTING:
reason = "THREAD_STARTING / ";
reason.append(flags_string);
break;
case MD_EXCEPTION_CODE_FUCHSIA_THREAD_EXITING:
reason = "THREAD_EXITING / ";
reason.append(flags_string);
break;
case MD_EXCEPTION_CODE_FUCHSIA_POLICY_ERROR:
reason = "POLICY_ERROR / ";
reason.append(flags_string);
break;
case MD_EXCEPTION_CODE_FUCHSIA_PROCESS_STARTING:
reason = "PROCESS_STARTING / ";
reason.append(flags_string);
break;
default:
BPLOG(INFO) << "Unknown exception reason " << reason;
}
break;
}
case MD_OS_MAC_OS_X:
case MD_OS_IOS: {
char flags_string[11];
snprintf(flags_string, sizeof(flags_string), "0x%08x", exception_flags);
switch (exception_code) {
case MD_EXCEPTION_MAC_BAD_ACCESS:
reason = "EXC_BAD_ACCESS / ";
@@ -1239,8 +1292,6 @@ string MinidumpProcessor::GetCrashReason(Minidump *dump, uint64_t *address) {
case MD_OS_ANDROID:
case MD_OS_LINUX: {
char flags_string[11];
snprintf(flags_string, sizeof(flags_string), "0x%08x", exception_flags);
switch (exception_code) {
case MD_EXCEPTION_CODE_LIN_SIGHUP:
reason = "SIGHUP";