linux/tools/perf/builtin-version.c
Ravi Bangoria 916c31fff9 perf version: Fix segfault due to missing OPT_END()
'perf version' on powerpc segfaults when used with non-supported
option:
  # perf version -a
  Segmentation fault (core dumped)

Fix this.

Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Reviewed-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Tested-by: Mamatha Inamdar <mamatha4@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/20190611030109.20228-1-ravi.bangoria@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-07-15 07:59:05 -03:00

98 lines
2.3 KiB
C

// SPDX-License-Identifier: GPL-2.0
#include "builtin.h"
#include "perf.h"
#include "color.h"
#include <linux/compiler.h>
#include <tools/config.h>
#include <stdio.h>
#include <string.h>
#include <subcmd/parse-options.h>
int version_verbose;
struct version {
bool build_options;
};
static struct version version;
static struct option version_options[] = {
OPT_BOOLEAN(0, "build-options", &version.build_options,
"display the build options"),
OPT_END(),
};
static const char * const version_usage[] = {
"perf version [<options>]",
NULL
};
static void on_off_print(const char *status)
{
printf("[ ");
if (!strcmp(status, "OFF"))
color_fprintf(stdout, PERF_COLOR_RED, "%-3s", status);
else
color_fprintf(stdout, PERF_COLOR_GREEN, "%-3s", status);
printf(" ]");
}
static void status_print(const char *name, const char *macro,
const char *status)
{
printf("%22s: ", name);
on_off_print(status);
printf(" # %s\n", macro);
}
#define STATUS(__d, __m) \
do { \
if (IS_BUILTIN(__d)) \
status_print(#__m, #__d, "on"); \
else \
status_print(#__m, #__d, "OFF"); \
} while (0)
static void library_status(void)
{
STATUS(HAVE_DWARF_SUPPORT, dwarf);
STATUS(HAVE_DWARF_GETLOCATIONS_SUPPORT, dwarf_getlocations);
STATUS(HAVE_GLIBC_SUPPORT, glibc);
STATUS(HAVE_GTK2_SUPPORT, gtk2);
#ifndef HAVE_SYSCALL_TABLE_SUPPORT
STATUS(HAVE_LIBAUDIT_SUPPORT, libaudit);
#endif
STATUS(HAVE_SYSCALL_TABLE_SUPPORT, syscall_table);
STATUS(HAVE_LIBBFD_SUPPORT, libbfd);
STATUS(HAVE_LIBELF_SUPPORT, libelf);
STATUS(HAVE_LIBNUMA_SUPPORT, libnuma);
STATUS(HAVE_LIBNUMA_SUPPORT, numa_num_possible_cpus);
STATUS(HAVE_LIBPERL_SUPPORT, libperl);
STATUS(HAVE_LIBPYTHON_SUPPORT, libpython);
STATUS(HAVE_SLANG_SUPPORT, libslang);
STATUS(HAVE_LIBCRYPTO_SUPPORT, libcrypto);
STATUS(HAVE_LIBUNWIND_SUPPORT, libunwind);
STATUS(HAVE_DWARF_SUPPORT, libdw-dwarf-unwind);
STATUS(HAVE_ZLIB_SUPPORT, zlib);
STATUS(HAVE_LZMA_SUPPORT, lzma);
STATUS(HAVE_AUXTRACE_SUPPORT, get_cpuid);
STATUS(HAVE_LIBBPF_SUPPORT, bpf);
STATUS(HAVE_AIO_SUPPORT, aio);
STATUS(HAVE_ZSTD_SUPPORT, zstd);
}
int cmd_version(int argc, const char **argv)
{
argc = parse_options(argc, argv, version_options, version_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
printf("perf version %s\n", perf_version_string);
if (version.build_options || version_verbose == 1)
library_status();
return 0;
}