Re: [PATCH] perf jit: move test functionality in to a test

From: Arnaldo Carvalho de Melo
Date: Wed Nov 27 2019 - 11:06:07 EST


Em Wed, Nov 27, 2019 at 12:23:28PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Tue, Nov 26, 2019 at 03:59:13PM -0800, Ian Rogers escreveu:
> > Adds a test for minimal jit_write_elf functionality.
>
> Thanks, tested and applied.

Had to apply this to have it built in systems where HAVE_JITDUMP isn't
defined:

diff --git a/tools/perf/tests/genelf.c b/tools/perf/tests/genelf.c
index d392e9300881..28dfd17a6b9f 100644
--- a/tools/perf/tests/genelf.c
+++ b/tools/perf/tests/genelf.c
@@ -17,16 +17,15 @@

#define TEMPL "/tmp/perf-test-XXXXXX"

-static unsigned char x86_code[] = {
- 0xBB, 0x2A, 0x00, 0x00, 0x00, /* movl $42, %ebx */
- 0xB8, 0x01, 0x00, 0x00, 0x00, /* movl $1, %eax */
- 0xCD, 0x80 /* int $0x80 */
-};
-
int test__jit_write_elf(struct test *test __maybe_unused,
int subtest __maybe_unused)
{
#ifdef HAVE_JITDUMP
+ static unsigned char x86_code[] = {
+ 0xBB, 0x2A, 0x00, 0x00, 0x00, /* movl $42, %ebx */
+ 0xB8, 0x01, 0x00, 0x00, 0x00, /* movl $1, %eax */
+ 0xCD, 0x80 /* int $0x80 */
+ };
char path[PATH_MAX];
int fd, ret;

@@ -48,6 +47,6 @@ int test__jit_write_elf(struct test *test __maybe_unused,

return ret ? TEST_FAIL : 0;
#else
- return TEST_SKIPPED;
+ return TEST_SKIP;
#endif
}