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[asan] Make dump_registers.cc more stable 

Differential Revision: https://reviews.llvm.org/D36231

llvm-svn: 310273
This commit is contained in:
Kuba Mracek 2017-08-07 18:12:01 +00:00
parent 7091a743b4
commit ac102b6977
1 changed files with 7 additions and 7 deletions
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14
compiler-rt/test/asan/TestCases/Darwin/dump_registers.cc
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@ -5,22 +5,22 @@
#include <assert.h>
#include <stdio.h>
#include <sys/mman.h>
int main() {
fprintf(stderr, "Hello\n");
char *ptr;
if (sizeof(void *) == 8)
ptr = (char *)0x6666666666666666;
else if (sizeof(void *) == 4)
ptr = (char *)0x55555555;
else
assert(0 && "Your computer is weird.");
ptr = (char *)mmap(NULL, 0x10000, PROT_NONE, MAP_ANON | MAP_PRIVATE, -1, 0);
assert(ptr && "failed to mmap");
fprintf(stderr, sizeof(uintptr_t) == 8 ? "p = 0x%016lx\n" : "p = 0x%08lx\n", (uintptr_t)ptr);
// CHECK: p = [[ADDR:0x[0-9]+]]
char c = *ptr; // BOOM
// CHECK: ERROR: AddressSanitizer: {{SEGV|BUS}}
// CHECK: Register values:
// CHECK: {{0x55555555|0x6666666666666666}}
// CHECK: [[ADDR]]
fprintf(stderr, "World\n");
return c;
}