1 | // UNSUPPORTED: target={{.*windows.*}} |
2 | // The sanitizer-windows bot is saying: |
3 | // instrprof-write-buffer-internal.c.tmp.buf.profraw: Invalid instrumentation profile data (file header is corrupt) |
4 | |
5 | // RUN: rm -f %t.buf.profraw %t.profraw |
6 | // RUN: %clang_profgen -w -o %t %s |
7 | // RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t %t.buf.profraw |
8 | // RUN: llvm-profdata show %t.buf.profraw | FileCheck %s -check-prefix=WRITE-BUFFER |
9 | // RUN: not llvm-profdata show %t.profraw 2>&1 | FileCheck %s -check-prefix=ALREADY-DUMPED |
10 | |
11 | // WRITE-BUFFER: Instrumentation level: Front-end |
12 | // WRITE-BUFFER: Total functions: 1 |
13 | // WRITE-BUFFER: Maximum function count: 1 |
14 | // WRITE-BUFFER: Maximum internal block count: 0 |
15 | |
16 | // ALREADY-DUMPED: error: {{.+}}: empty raw profile file |
17 | |
18 | #include <stdint.h> |
19 | #include <stdio.h> |
20 | #include <stdlib.h> |
21 | |
22 | const void *__llvm_profile_begin_data(void); |
23 | const void *__llvm_profile_end_data(void); |
24 | const char *__llvm_profile_begin_names(void); |
25 | const char *__llvm_profile_end_names(void); |
26 | char *__llvm_profile_begin_counters(void); |
27 | char *__llvm_profile_end_counters(void); |
28 | char *__llvm_profile_begin_bitmap(void); |
29 | char *__llvm_profile_end_bitmap(void); |
30 | |
31 | uint64_t __llvm_profile_get_size_for_buffer_internal( |
32 | const void *DataBegin, const void *DataEnd, const char *CountersBegin, |
33 | const char *CountersEnd, const char *BitmapBegin, const char *BitmapEnd, |
34 | const char *NamesBegin, const char *NamesEnd); |
35 | |
36 | int __llvm_profile_write_buffer_internal( |
37 | char *Buffer, const void *DataBegin, const void *DataEnd, |
38 | const char *CountersBegin, const char *CountersEnd, const char *BitmapBegin, |
39 | const char *BitmapEnd, const char *NamesBegin, const char *NamesEnd); |
40 | |
41 | void __llvm_profile_set_dumped(void); |
42 | |
43 | int main(int argc, const char *argv[]) { |
44 | uint64_t bufsize = __llvm_profile_get_size_for_buffer_internal( |
45 | DataBegin: __llvm_profile_begin_data(), DataEnd: __llvm_profile_end_data(), |
46 | CountersBegin: __llvm_profile_begin_counters(), CountersEnd: __llvm_profile_end_counters(), |
47 | BitmapBegin: __llvm_profile_begin_bitmap(), BitmapEnd: __llvm_profile_end_bitmap(), |
48 | NamesBegin: __llvm_profile_begin_names(), NamesEnd: __llvm_profile_end_names()); |
49 | |
50 | char *buf = malloc(size: bufsize); |
51 | int ret = __llvm_profile_write_buffer_internal( |
52 | Buffer: buf, DataBegin: __llvm_profile_begin_data(), DataEnd: __llvm_profile_end_data(), |
53 | CountersBegin: __llvm_profile_begin_counters(), CountersEnd: __llvm_profile_end_counters(), |
54 | BitmapBegin: __llvm_profile_begin_bitmap(), BitmapEnd: __llvm_profile_end_bitmap(), |
55 | NamesBegin: __llvm_profile_begin_names(), NamesEnd: __llvm_profile_end_names()); |
56 | |
57 | if (ret != 0) { |
58 | fprintf(stderr, format: "failed to write buffer" ); |
59 | return ret; |
60 | } |
61 | |
62 | FILE *f = fopen(filename: argv[1], modes: "w" ); |
63 | fwrite(ptr: buf, size: bufsize, n: 1, s: f); |
64 | fclose(stream: f); |
65 | free(ptr: buf); |
66 | |
67 | __llvm_profile_set_dumped(); |
68 | |
69 | return 0; |
70 | } |
71 | |