diff options
| author | Petar Jovanovic <petar.jovanovic@imgtec.com> | 2014-09-26 14:16:06 +0000 |
|---|---|---|
| committer | Petar Jovanovic <petar.jovanovic@imgtec.com> | 2014-09-26 14:16:06 +0000 |
| commit | c2e0427b940c84195b65e96e8de35bc4e37353e8 (patch) | |
| tree | ef05bf33613e9d05cc14bf40a1f544e8d8a11a00 | |
| parent | 4dcb6aded223d2810e35b237baaeafb11c7ee185 (diff) | |
| download | bcm5719-llvm-c2e0427b940c84195b65e96e8de35bc4e37353e8.tar.gz bcm5719-llvm-c2e0427b940c84195b65e96e8de35bc4e37353e8.zip | |
[UBSan] Adding support of MIPS32
Changed files:
config-ix.cmake: Enabled UBSan for MIPS32
sanitizer_stacktrace.cc: Program counter for MIPS32 is four byte aligned
and a delay slot so subtracted PC by 8 for getting call site address.
cast-overflow.cpp: Added big endian support for this test case.
Patch by Sagar Thakur.
Differential Revision: http://reviews.llvm.org/D4881
llvm-svn: 218519
| -rw-r--r-- | compiler-rt/cmake/config-ix.cmake | 2 | ||||
| -rw-r--r-- | compiler-rt/lib/sanitizer_common/sanitizer_stacktrace.cc | 2 | ||||
| -rw-r--r-- | compiler-rt/test/ubsan/TestCases/Float/cast-overflow.cpp | 9 |
3 files changed, 11 insertions, 2 deletions
diff --git a/compiler-rt/cmake/config-ix.cmake b/compiler-rt/cmake/config-ix.cmake index 8035f7eb531..44f85c6592e 100644 --- a/compiler-rt/cmake/config-ix.cmake +++ b/compiler-rt/cmake/config-ix.cmake @@ -134,7 +134,7 @@ filter_available_targets(LSAN_COMMON_SUPPORTED_ARCH filter_available_targets(MSAN_SUPPORTED_ARCH x86_64) filter_available_targets(PROFILE_SUPPORTED_ARCH x86_64 i386 arm aarch64) filter_available_targets(TSAN_SUPPORTED_ARCH x86_64) -filter_available_targets(UBSAN_SUPPORTED_ARCH x86_64 i386 arm aarch64) +filter_available_targets(UBSAN_SUPPORTED_ARCH x86_64 i386 arm aarch64 mips) if(ANDROID) set(OS_NAME "Android") diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_stacktrace.cc b/compiler-rt/lib/sanitizer_common/sanitizer_stacktrace.cc index 21f710ddd83..7a00e3ad8f7 100644 --- a/compiler-rt/lib/sanitizer_common/sanitizer_stacktrace.cc +++ b/compiler-rt/lib/sanitizer_common/sanitizer_stacktrace.cc @@ -25,7 +25,7 @@ uptr StackTrace::GetPreviousInstructionPc(uptr pc) { #if defined(__powerpc__) || defined(__powerpc64__) // PCs are always 4 byte aligned. return pc - 4; -#elif defined(__sparc__) +#elif defined(__sparc__) || defined(__mips__) return pc - 8; #else return pc - 1; diff --git a/compiler-rt/test/ubsan/TestCases/Float/cast-overflow.cpp b/compiler-rt/test/ubsan/TestCases/Float/cast-overflow.cpp index 28a6672b0e0..b9d88d23c73 100644 --- a/compiler-rt/test/ubsan/TestCases/Float/cast-overflow.cpp +++ b/compiler-rt/test/ubsan/TestCases/Float/cast-overflow.cpp @@ -14,6 +14,7 @@ // This test assumes float and double are IEEE-754 single- and double-precision. +#include <endian.h> #include <stdint.h> #include <stdio.h> #include <string.h> @@ -41,12 +42,20 @@ int main(int argc, char **argv) { unsigned Zero = NearlyMinusOne; // ok // Build a '+Inf'. +#if __BYTE_ORDER == __LITTLE_ENDIAN char InfVal[] = { 0x00, 0x00, 0x80, 0x7f }; +#else + char InfVal[] = { 0x7f, 0x80, 0x00, 0x00 }; +#endif float Inf; memcpy(&Inf, InfVal, 4); // Build a 'NaN'. +#if __BYTE_ORDER == __LITTLE_ENDIAN char NaNVal[] = { 0x01, 0x00, 0x80, 0x7f }; +#else + char NaNVal[] = { 0x7f, 0x80, 0x00, 0x01 }; +#endif float NaN; memcpy(&NaN, NaNVal, 4); |
