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Read Linux si_code in minidump_processor.

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For common signals: SIGILL, SIGFPE, SIGSEGV, and SIGBUS.

Change-Id: I80048f70445c3fa6accd548704c5700b3bed12a4
Reviewed-on: https://chromium-review.googlesource.com/1012589
Reviewed-by: Robert Sesek <rsesek@chromium.org>
This commit is contained in:
Lei Zhang 2018-04-13 11:15:11 -07:00
parent c83fcf6470
commit 9eac2058b7
2 changed files with 143 additions and 4 deletions
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38
src/google_breakpad/common/minidump_exception_linux.h
View file

@ -84,4 +84,42 @@ typedef enum {
dump requested. */ dump requested. */
} MDExceptionCodeLinux; } MDExceptionCodeLinux;
/* For (MDException).exception_flags. These values come from
* asm-generic/siginfo.h.
*/
typedef enum {
/* SIGILL */
MD_EXCEPTION_FLAG_LIN_ILL_ILLOPC = 1,
MD_EXCEPTION_FLAG_LIN_ILL_ILLOPN = 2,
MD_EXCEPTION_FLAG_LIN_ILL_ILLADR = 3,
MD_EXCEPTION_FLAG_LIN_ILL_ILLTRP = 4,
MD_EXCEPTION_FLAG_LIN_ILL_PRVOPC = 5,
MD_EXCEPTION_FLAG_LIN_ILL_PRVREG = 6,
MD_EXCEPTION_FLAG_LIN_ILL_COPROC = 7,
MD_EXCEPTION_FLAG_LIN_ILL_BADSTK = 8,
/* SIGFPE */
MD_EXCEPTION_FLAG_LIN_FPE_INTDIV = 1,
MD_EXCEPTION_FLAG_LIN_FPE_INTOVF = 2,
MD_EXCEPTION_FLAG_LIN_FPE_FLTDIV = 3,
MD_EXCEPTION_FLAG_LIN_FPE_FLTOVF = 4,
MD_EXCEPTION_FLAG_LIN_FPE_FLTUND = 5,
MD_EXCEPTION_FLAG_LIN_FPE_FLTRES = 6,
MD_EXCEPTION_FLAG_LIN_FPE_FLTINV = 7,
MD_EXCEPTION_FLAG_LIN_FPE_FLTSUB = 8,
/* SIGSEGV */
MD_EXCEPTION_FLAG_LIN_SEGV_MAPERR = 1,
MD_EXCEPTION_FLAG_LIN_SEGV_ACCERR = 2,
MD_EXCEPTION_FLAG_LIN_SEGV_BNDERR = 3,
MD_EXCEPTION_FLAG_LIN_SEGV_PKUERR = 4,
/* SIGBUS */
MD_EXCEPTION_FLAG_LIN_BUS_ADRALN = 1,
MD_EXCEPTION_FLAG_LIN_BUS_ADRERR = 2,
MD_EXCEPTION_FLAG_LIN_BUS_OBJERR = 3,
MD_EXCEPTION_FLAG_LIN_BUS_MCEERR_AR = 4,
MD_EXCEPTION_FLAG_LIN_BUS_MCEERR_AO = 5,
} MDExceptionFlagLinux;
#endif /* GOOGLE_BREAKPAD_COMMON_MINIDUMP_EXCEPTION_LINUX_H__ */ #endif /* GOOGLE_BREAKPAD_COMMON_MINIDUMP_EXCEPTION_LINUX_H__ */

109
src/processor/minidump_processor.cc
View file

@ -1218,6 +1218,8 @@ string MinidumpProcessor::GetCrashReason(Minidump *dump, uint64_t *address) {
case MD_OS_ANDROID: case MD_OS_ANDROID:
case MD_OS_LINUX: { case MD_OS_LINUX: {
char flags_string[11];
snprintf(flags_string, sizeof(flags_string), "0x%08x", exception_flags);
switch (exception_code) { switch (exception_code) {
case MD_EXCEPTION_CODE_LIN_SIGHUP: case MD_EXCEPTION_CODE_LIN_SIGHUP:
reason = "SIGHUP"; reason = "SIGHUP";
@ -1229,7 +1231,37 @@ string MinidumpProcessor::GetCrashReason(Minidump *dump, uint64_t *address) {
reason = "SIGQUIT"; reason = "SIGQUIT";
break; break;
case MD_EXCEPTION_CODE_LIN_SIGILL: case MD_EXCEPTION_CODE_LIN_SIGILL:
reason = "SIGILL"; reason = "SIGILL / ";
switch (exception_flags) {
case MD_EXCEPTION_FLAG_LIN_ILL_ILLOPC:
reason.append("ILL_ILLOPC");
break;
case MD_EXCEPTION_FLAG_LIN_ILL_ILLOPN:
reason.append("ILL_ILLOPN");
break;
case MD_EXCEPTION_FLAG_LIN_ILL_ILLADR:
reason.append("ILL_ILLADR");
break;
case MD_EXCEPTION_FLAG_LIN_ILL_ILLTRP:
reason.append("ILL_ILLTRP");
break;
case MD_EXCEPTION_FLAG_LIN_ILL_PRVOPC:
reason.append("ILL_PRVOPC");
break;
case MD_EXCEPTION_FLAG_LIN_ILL_PRVREG:
reason.append("ILL_PRVREG");
break;
case MD_EXCEPTION_FLAG_LIN_ILL_COPROC:
reason.append("ILL_COPROC");
break;
case MD_EXCEPTION_FLAG_LIN_ILL_BADSTK:
reason.append("ILL_BADSTK");
break;
default:
reason.append(flags_string);
BPLOG(INFO) << "Unknown exception reason " << reason;
break;
}
break; break;
case MD_EXCEPTION_CODE_LIN_SIGTRAP: case MD_EXCEPTION_CODE_LIN_SIGTRAP:
reason = "SIGTRAP"; reason = "SIGTRAP";
@ -1238,10 +1270,61 @@ string MinidumpProcessor::GetCrashReason(Minidump *dump, uint64_t *address) {
reason = "SIGABRT"; reason = "SIGABRT";
break; break;
case MD_EXCEPTION_CODE_LIN_SIGBUS: case MD_EXCEPTION_CODE_LIN_SIGBUS:
reason = "SIGBUS"; reason = "SIGBUS / ";
switch (exception_flags) {
case MD_EXCEPTION_FLAG_LIN_BUS_ADRALN:
reason.append("BUS_ADALN");
break;
case MD_EXCEPTION_FLAG_LIN_BUS_ADRERR:
reason.append("BUS_ADRERR");
break;
case MD_EXCEPTION_FLAG_LIN_BUS_OBJERR:
reason.append("BUS_OBJERR");
break;
case MD_EXCEPTION_FLAG_LIN_BUS_MCEERR_AR:
reason.append("BUS_MCEERR_AR");
break;
case MD_EXCEPTION_FLAG_LIN_BUS_MCEERR_AO:
reason.append("BUS_MCEERR_AO");
break;
default:
reason.append(flags_string);
BPLOG(INFO) << "Unknown exception reason " << reason;
break;
}
break; break;
case MD_EXCEPTION_CODE_LIN_SIGFPE: case MD_EXCEPTION_CODE_LIN_SIGFPE:
reason = "SIGFPE"; reason = "SIGFPE / ";
switch (exception_flags) {
case MD_EXCEPTION_FLAG_LIN_FPE_INTDIV:
reason.append("FPE_INTDIV");
break;
case MD_EXCEPTION_FLAG_LIN_FPE_INTOVF:
reason.append("FPE_INTOVF");
break;
case MD_EXCEPTION_FLAG_LIN_FPE_FLTDIV:
reason.append("FPE_FLTDIV");
break;
case MD_EXCEPTION_FLAG_LIN_FPE_FLTOVF:
reason.append("FPE_FLTOVF");
break;
case MD_EXCEPTION_FLAG_LIN_FPE_FLTUND:
reason.append("FPE_FLTUND");
break;
case MD_EXCEPTION_FLAG_LIN_FPE_FLTRES:
reason.append("FPE_FLTRES");
break;
case MD_EXCEPTION_FLAG_LIN_FPE_FLTINV:
reason.append("FPE_FLTINV");
break;
case MD_EXCEPTION_FLAG_LIN_FPE_FLTSUB:
reason.append("FPE_FLTSUB");
break;
default:
reason.append(flags_string);
BPLOG(INFO) << "Unknown exception reason " << reason;
break;
}
break; break;
case MD_EXCEPTION_CODE_LIN_SIGKILL: case MD_EXCEPTION_CODE_LIN_SIGKILL:
reason = "SIGKILL"; reason = "SIGKILL";
@ -1250,7 +1333,25 @@ string MinidumpProcessor::GetCrashReason(Minidump *dump, uint64_t *address) {
reason = "SIGUSR1"; reason = "SIGUSR1";
break; break;
case MD_EXCEPTION_CODE_LIN_SIGSEGV: case MD_EXCEPTION_CODE_LIN_SIGSEGV:
reason = "SIGSEGV"; reason = "SIGSEGV /";
switch (exception_flags) {
case MD_EXCEPTION_FLAG_LIN_SEGV_MAPERR:
reason.append("SEGV_MAPERR");
break;
case MD_EXCEPTION_FLAG_LIN_SEGV_ACCERR:
reason.append("SEGV_ACCERR");
break;
case MD_EXCEPTION_FLAG_LIN_SEGV_BNDERR:
reason.append("SEGV_BNDERR");
break;
case MD_EXCEPTION_FLAG_LIN_SEGV_PKUERR:
reason.append("SEGV_PKUERR");
break;
default:
reason.append(flags_string);
BPLOG(INFO) << "Unknown exception reason " << reason;
break;
}
break; break;
case MD_EXCEPTION_CODE_LIN_SIGUSR2: case MD_EXCEPTION_CODE_LIN_SIGUSR2:
reason = "SIGUSR2"; reason = "SIGUSR2";