linux/tools/perf/tests/demangle-ocaml-test.c
Fabian Hemmer 292c5ed168 perf tools: Preserve identifier id in OCaml demangler
Some OCaml developers reported that this bit of information is sometimes
useful for disambiguating functions for which the OCaml compiler assigns
the same name, e.g. nested or inlined functions.

Signed-off-by: Fabian Hemmer <copy@copy.sh>
Link: http://lore.kernel.org/lkml/20210226075223.p3s5oz4jbxwnqjtv@nyu
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2021-03-30 12:45:59 -03:00

44 lines
1.1 KiB
C

// SPDX-License-Identifier: GPL-2.0
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include "tests.h"
#include "session.h"
#include "debug.h"
#include "demangle-ocaml.h"
int test__demangle_ocaml(struct test *test __maybe_unused, int subtest __maybe_unused)
{
int ret = TEST_OK;
char *buf = NULL;
size_t i;
struct {
const char *mangled, *demangled;
} test_cases[] = {
{ "main",
NULL },
{ "camlStdlib__array__map_154",
"Stdlib.array.map_154" },
{ "camlStdlib__anon_fn$5bstdlib$2eml$3a334$2c0$2d$2d54$5d_1453",
"Stdlib.anon_fn[stdlib.ml:334,0--54]_1453" },
{ "camlStdlib__bytes__$2b$2b_2205",
"Stdlib.bytes.++_2205" },
};
for (i = 0; i < ARRAY_SIZE(test_cases); i++) {
buf = ocaml_demangle_sym(test_cases[i].mangled);
if ((buf == NULL && test_cases[i].demangled != NULL)
|| (buf != NULL && test_cases[i].demangled == NULL)
|| (buf != NULL && strcmp(buf, test_cases[i].demangled))) {
pr_debug("FAILED: %s: %s != %s\n", test_cases[i].mangled,
buf == NULL ? "(null)" : buf,
test_cases[i].demangled == NULL ? "(null)" : test_cases[i].demangled);
ret = TEST_FAIL;
}
free(buf);
}
return ret;
}