diff options
-rw-r--r-- | tools/perf/tests/Build | 1 | ||||
-rw-r--r-- | tools/perf/tests/builtin-test.c | 1 | ||||
-rw-r--r-- | tools/perf/tests/demangle-rust-v0-test.c | 74 | ||||
-rw-r--r-- | tools/perf/tests/tests.h | 1 | ||||
-rw-r--r-- | tools/perf/util/symbol-elf.c | 2 |
5 files changed, 78 insertions, 1 deletions
diff --git a/tools/perf/tests/Build b/tools/perf/tests/Build index 934f32090553..2181f5a92148 100644 --- a/tools/perf/tests/Build +++ b/tools/perf/tests/Build @@ -56,6 +56,7 @@ perf-test-y += genelf.o perf-test-y += api-io.o perf-test-y += demangle-java-test.o perf-test-y += demangle-ocaml-test.o +perf-test-y += demangle-rust-v0-test.o perf-test-y += pfm.o perf-test-y += parse-metric.o perf-test-y += pe-file-parsing.o diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index 14d30a5053be..45d3d8b3317a 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -126,6 +126,7 @@ static struct test_suite *generic_tests[] = { &suite__maps__merge_in, &suite__demangle_java, &suite__demangle_ocaml, + &suite__demangle_rust, &suite__parse_metric, &suite__pe_file_parsing, &suite__expand_cgroup_events, diff --git a/tools/perf/tests/demangle-rust-v0-test.c b/tools/perf/tests/demangle-rust-v0-test.c new file mode 100644 index 000000000000..904f966c65d7 --- /dev/null +++ b/tools/perf/tests/demangle-rust-v0-test.c @@ -0,0 +1,74 @@ +// SPDX-License-Identifier: Apache-2.0 OR MIT +#include "tests.h" +#include "debug.h" +#include "symbol.h" +#include <linux/kernel.h> +#include <stdlib.h> +#include <string.h> + +static int test__demangle_rust(struct test_suite *test __maybe_unused, int subtest __maybe_unused) +{ + int ret = TEST_OK; + char *buf = NULL; + size_t i; + + struct { + const char *mangled, *demangled; + } test_cases[] = { + { "_RNvMsr_NtCs3ssYzQotkvD_3std4pathNtB5_7PathBuf3newCs15kBYyAo9fc_7mycrate", + "<std::path::PathBuf>::new" }, + { "_RNvCs15kBYyAo9fc_7mycrate7example", + "mycrate::example" }, + { "_RNvMs_Cs4Cv8Wi1oAIB_7mycrateNtB4_7Example3foo", + "<mycrate::Example>::foo" }, + { "_RNvXCs15kBYyAo9fc_7mycrateNtB2_7ExampleNtB2_5Trait3foo", + "<mycrate::Example as mycrate::Trait>::foo" }, + { "_RNvMCs7qp2U7fqm6G_7mycrateNtB2_7Example3foo", + "<mycrate::Example>::foo" }, + { "_RNvMs_Cs7qp2U7fqm6G_7mycrateNtB4_7Example3bar", + "<mycrate::Example>::bar" }, + { "_RNvYNtCs15kBYyAo9fc_7mycrate7ExampleNtB4_5Trait7exampleB4_", + "<mycrate::Example as mycrate::Trait>::example" }, + { "_RNCNvCsgStHSCytQ6I_7mycrate4main0B3_", + "mycrate::main::{closure#0}" }, + { "_RNCNvCsgStHSCytQ6I_7mycrate4mains_0B3_", + "mycrate::main::{closure#1}" }, + { "_RINvCsgStHSCytQ6I_7mycrate7examplelKj1_EB2_", + "mycrate::example::<i32, 1>" }, + { "_RINvCs7qp2U7fqm6G_7mycrate7exampleFG0_RL1_hRL0_tEuEB2_", + "mycrate::example::<for<'a, 'b> fn(&'a u8, &'b u16)>", + }, + { "_RINvCs7qp2U7fqm6G_7mycrate7exampleKy12345678_EB2_", + "mycrate::example::<305419896>" }, + { "_RNvNvMCsd9PVOYlP1UU_7mycrateINtB4_7ExamplepKpE3foo14EXAMPLE_STATIC", + "<mycrate::Example<_, _>>::foo::EXAMPLE_STATIC", + }, + { "_RINvCs7qp2U7fqm6G_7mycrate7exampleAtj8_EB2_", + "mycrate::example::<[u16; 8]>" }, + { "_RINvCs7qp2U7fqm6G_7mycrate7exampleNtB2_7ExampleBw_EB2_", + "mycrate::example::<mycrate::Example, mycrate::Example>" }, + { "_RINvMsY_NtCseXNvpPnDBDp_3std4pathNtB6_4Path3neweECs7qp2U7fqm6G_7mycrate", + "<std::path::Path>::new::<str>" }, + { "_RNvNvNvCs7qp2U7fqm6G_7mycrate7EXAMPLE7___getit5___KEY", + "mycrate::EXAMPLE::__getit::__KEY" }, + }; + + for (i = 0; i < ARRAY_SIZE(test_cases); i++) { + buf = dso__demangle_sym(/*dso=*/NULL, /*kmodule=*/0, test_cases[i].mangled); + if (!buf) { + pr_debug("FAILED to demangle: \"%s\"\n \"%s\"\n", test_cases[i].mangled, + test_cases[i].demangled); + continue; + } + if (strcmp(buf, test_cases[i].demangled)) { + pr_debug("FAILED: %s: %s != %s\n", test_cases[i].mangled, + buf, test_cases[i].demangled); + ret = TEST_FAIL; + } + free(buf); + } + + return ret; +} + +DEFINE_SUITE("Demangle Rust", demangle_rust); diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h index 8aea344536b8..bb7951c61971 100644 --- a/tools/perf/tests/tests.h +++ b/tools/perf/tests/tests.h @@ -157,6 +157,7 @@ DECLARE_SUITE(jit_write_elf); DECLARE_SUITE(api_io); DECLARE_SUITE(demangle_java); DECLARE_SUITE(demangle_ocaml); +DECLARE_SUITE(demangle_rust); DECLARE_SUITE(pfm); DECLARE_SUITE(parse_metric); DECLARE_SUITE(pe_file_parsing); diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index 3fc87309746f..8734e8b6cf84 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -319,7 +319,7 @@ static char *demangle_sym(struct dso *dso, int kmodule, const char *elf_name) * DWARF DW_compile_unit has this, but we don't always have access * to it... */ - if (!want_demangle(dso__kernel(dso) || kmodule)) + if (!want_demangle((dso && dso__kernel(dso)) || kmodule)) return demangled; rust_demangle_demangle(elf_name, &rust_demangle); |