forked from luck/tmp_suning_uos_patched
ed21d6d7c4
This adds a precompiled file in PE binary format, with split debug file, and tries to read its build_id and .gnu_debuglink sections, as well as looking up the main symbol from the debug file. This should succeed if libbfd is supported. Committer testing: $ perf test "PE file support" 68: PE file support : Ok $ Signed-off-by: Remi Bernon <rbernon@codeweavers.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jacek Caban <jacek@codeweavers.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20200821165238.1340315-3-rbernon@codeweavers.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
99 lines
2.5 KiB
C
99 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <stdbool.h>
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#include <inttypes.h>
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#include <stdlib.h>
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#include <string.h>
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#include <linux/bitops.h>
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <subcmd/exec-cmd.h>
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#include "debug.h"
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#include "util/build-id.h"
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#include "util/symbol.h"
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#include "util/dso.h"
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#include "tests.h"
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#ifdef HAVE_LIBBFD_SUPPORT
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static int run_dir(const char *d)
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{
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char filename[PATH_MAX];
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char debugfile[PATH_MAX];
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char build_id[BUILD_ID_SIZE];
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char debuglink[PATH_MAX];
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char expect_build_id[] = {
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0x5a, 0x0f, 0xd8, 0x82, 0xb5, 0x30, 0x84, 0x22,
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0x4b, 0xa4, 0x7b, 0x62, 0x4c, 0x55, 0xa4, 0x69,
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};
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char expect_debuglink[PATH_MAX] = "pe-file.exe.debug";
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struct dso *dso;
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struct symbol *sym;
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int ret;
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scnprintf(filename, PATH_MAX, "%s/pe-file.exe", d);
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ret = filename__read_build_id(filename, build_id, BUILD_ID_SIZE);
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TEST_ASSERT_VAL("Failed to read build_id",
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ret == sizeof(expect_build_id));
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TEST_ASSERT_VAL("Wrong build_id", !memcmp(build_id, expect_build_id,
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sizeof(expect_build_id)));
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ret = filename__read_debuglink(filename, debuglink, PATH_MAX);
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TEST_ASSERT_VAL("Failed to read debuglink", ret == 0);
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TEST_ASSERT_VAL("Wrong debuglink",
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!strcmp(debuglink, expect_debuglink));
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scnprintf(debugfile, PATH_MAX, "%s/%s", d, debuglink);
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ret = filename__read_build_id(debugfile, build_id, BUILD_ID_SIZE);
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TEST_ASSERT_VAL("Failed to read debug file build_id",
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ret == sizeof(expect_build_id));
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TEST_ASSERT_VAL("Wrong build_id", !memcmp(build_id, expect_build_id,
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sizeof(expect_build_id)));
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dso = dso__new(filename);
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TEST_ASSERT_VAL("Failed to get dso", dso);
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ret = dso__load_bfd_symbols(dso, debugfile);
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TEST_ASSERT_VAL("Failed to load symbols", ret == 0);
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dso__sort_by_name(dso);
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sym = dso__find_symbol_by_name(dso, "main");
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TEST_ASSERT_VAL("Failed to find main", sym);
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dso__delete(dso);
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return TEST_OK;
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}
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int test__pe_file_parsing(struct test *test __maybe_unused,
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int subtest __maybe_unused)
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{
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struct stat st;
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char path_dir[PATH_MAX];
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/* First try development tree tests. */
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if (!lstat("./tests", &st))
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return run_dir("./tests");
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/* Then installed path. */
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snprintf(path_dir, PATH_MAX, "%s/tests", get_argv_exec_path());
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if (!lstat(path_dir, &st))
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return run_dir(path_dir);
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return TEST_SKIP;
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}
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#else
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int test__pe_file_parsing(struct test *test __maybe_unused,
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int subtest __maybe_unused)
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{
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return TEST_SKIP;
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}
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#endif
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