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[MSan] Use a single file for dso-origin test 

llvm-svn: 212484
This commit is contained in:
Alexey Samsonov 2014-07-07 20:37:12 +00:00
parent 44cb242dda
commit efe7828c69
4 changed files with 29 additions and 28 deletions
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14
compiler-rt/test/msan/SharedLibs/dso-origin-so.cc
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@ -1,14 +0,0 @@
#include <stdlib.h>
#include "dso-origin.h"
void my_access(int *p) {
volatile int tmp;
// Force initialize-ness check.
if (*p)
tmp = 1;
}
void *my_alloc(unsigned sz) {
return malloc(sz);
}

4
compiler-rt/test/msan/SharedLibs/dso-origin.h
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@ -1,4 +0,0 @@
extern "C" {
void my_access(int *p);
void *my_alloc(unsigned sz);
}

4
compiler-rt/test/msan/SharedLibs/lit.local.cfg
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@ -1,4 +0,0 @@
# Sources in this directory are compiled as shared libraries and used by
# tests in parent directory.
config.suffixes = []

35
compiler-rt/test/msan/dso-origin.cc
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@ -1,12 +1,33 @@
// Build a library with origin tracking and an executable w/o origin tracking.
// Test that origin tracking is enabled at runtime.
// RUN: %clangxx_msan -fsanitize-memory-track-origins -m64 -O0 %p/SharedLibs/dso-origin-so.cc \
// RUN: -fPIC -shared -o %t-so.so
// RUN: %clangxx_msan -fsanitize-memory-track-origins -m64 -O0 %s -DBUILD_SO -fPIC -shared -o %t-so.so
// RUN: %clangxx_msan -m64 -O0 %s %t-so.so -o %t && not %run %t 2>&1 | FileCheck %s
#ifdef BUILD_SO
#include <stdlib.h>
#include "SharedLibs/dso-origin.h"
extern "C" {
void my_access(int *p) {
volatile int tmp;
// Force initialize-ness check.
if (*p)
tmp = 1;
}
void *my_alloc(unsigned sz) {
return malloc(sz);
}
} // extern "C"
#else // BUILD_SO
#include <stdlib.h>
extern "C" {
void my_access(int *p);
void *my_alloc(unsigned sz);
}
int main(int argc, char **argv) {
int *x = (int *)my_alloc(sizeof(int));
@ -14,12 +35,14 @@ int main(int argc, char **argv) {
delete x;
// CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value
// CHECK: {{#0 0x.* in my_access .*dso-origin-so.cc:}}
// CHECK: {{#0 0x.* in my_access .*dso-origin.cc:}}
// CHECK: {{#1 0x.* in main .*dso-origin.cc:}}[[@LINE-5]]
// CHECK: Uninitialized value was created by a heap allocation
// CHECK: {{#0 0x.* in .*malloc}}
// CHECK: {{#1 0x.* in my_alloc .*dso-origin-so.cc:}}
// CHECK: {{#1 0x.* in my_alloc .*dso-origin.cc:}}
// CHECK: {{#2 0x.* in main .*dso-origin.cc:}}[[@LINE-10]]
// CHECK: SUMMARY: MemorySanitizer: use-of-uninitialized-value {{.*dso-origin-so.cc:.* my_access}}
// CHECK: SUMMARY: MemorySanitizer: use-of-uninitialized-value {{.*dso-origin.cc:.* my_access}}
return 0;
}
#endif // BUILD_SO