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[compiler-rt] Replace ifs with switch statement in IsHandledDeadlySignal 

Reviewers: eugenis

Subscribers: kubamracek, llvm-commits, dberris

Differential Revision: https://reviews.llvm.org/D33158

llvm-svn: 303392
This commit is contained in:
Vitaly Buka 2017-05-18 23:13:22 +00:00
parent 7b62d7ccc0
commit 1cfc81f1de
2 changed files with 27 additions and 19 deletions
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22
compiler-rt/lib/sanitizer_common/sanitizer_linux.cc
View File

@ -1395,15 +1395,19 @@ AndroidApiLevel AndroidGetApiLevel() {
#endif
bool IsHandledDeadlySignal(int signum) {
if (common_flags()->handle_abort && signum == SIGABRT)
return true;
if (common_flags()->handle_sigill && signum == SIGILL)
return true;
if (common_flags()->handle_sigfpe && signum == SIGFPE)
return true;
if (common_flags()->handle_segv && signum == SIGSEGV)
return true;
return common_flags()->handle_sigbus && signum == SIGBUS;
switch (signum) {
case SIGABRT:
return common_flags()->handle_abort;
case SIGILL:
return common_flags()->handle_sigill;
case SIGFPE:
return common_flags()->handle_sigfpe;
case SIGSEGV:
return common_flags()->handle_segv;
case SIGBUS:
return common_flags()->handle_sigbus;
}
return false;
}
#if !SANITIZER_GO

24
compiler-rt/lib/sanitizer_common/sanitizer_mac.cc
View File

@ -394,18 +394,22 @@ void ListOfModules::init() {
}
bool IsHandledDeadlySignal(int signum) {
if ((SANITIZER_WATCHOS || SANITIZER_TVOS) && !(SANITIZER_IOSSIM))
// Handling fatal signals on watchOS and tvOS devices is disallowed.
if ((SANITIZER_WATCHOS || SANITIZER_TVOS) && !(SANITIZER_IOSSIM))
return false;
switch (signum) {
case SIGABRT:
return common_flags()->handle_abort;
case SIGILL:
return common_flags()->handle_sigill;
case SIGFPE:
return common_flags()->handle_sigfpe;
case SIGSEGV:
return common_flags()->handle_segv;
case SIGBUS:
return common_flags()->handle_sigbus;
}
return false;
if (common_flags()->handle_abort && signum == SIGABRT)
return true;
if (common_flags()->handle_sigill && signum == SIGILL)
return true;
if (common_flags()->handle_sigfpe && signum == SIGFPE)
return true;
if (common_flags()->handle_segv && signum == SIGSEGV)
return true;
return common_flags()->handle_sigbus && signum == SIGBUS;
}
MacosVersion cached_macos_version = MACOS_VERSION_UNINITIALIZED;