forked from OSchip/llvm-project
56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "../profile_test.h"
|
|
|
|
int __llvm_profile_runtime = 0;
|
|
uint64_t __llvm_profile_get_size_for_buffer(void);
|
|
int __llvm_profile_write_buffer(char *);
|
|
void __llvm_profile_reset_counters(void);
|
|
int __llvm_profile_check_compatibility(const char *, uint64_t);
|
|
|
|
int g = 0;
|
|
void foo(char c) {
|
|
if (c == '1')
|
|
g++;
|
|
else
|
|
g--;
|
|
}
|
|
|
|
extern uint64_t libEntry(char *Buffer, uint64_t MaxSize);
|
|
|
|
int main(int argc, const char *argv[]) {
|
|
const uint64_t MaxSize = 10000;
|
|
static char ALIGNED(sizeof(uint64_t)) Buffer[MaxSize];
|
|
|
|
uint64_t Size = __llvm_profile_get_size_for_buffer();
|
|
if (Size > MaxSize)
|
|
return 1;
|
|
|
|
__llvm_profile_reset_counters();
|
|
foo('0');
|
|
|
|
if (__llvm_profile_write_buffer(Buffer))
|
|
return 1;
|
|
|
|
/* Now check compatibility. Should return 0. */
|
|
if (__llvm_profile_check_compatibility(Buffer, Size))
|
|
return 1;
|
|
|
|
/* Clear the buffer. */
|
|
memset(Buffer, 0, MaxSize);
|
|
|
|
/* Collect profile from shared library. */
|
|
Size = libEntry(Buffer, MaxSize);
|
|
|
|
if (!Size)
|
|
return 1;
|
|
|
|
/* Shared library's profile should not match main executable's. */
|
|
if (!__llvm_profile_check_compatibility(Buffer, Size))
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|