| 1 | //===-- llvm/unittest/Support/SignalsTest.cpp - Signals unit tests --------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | /// |
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| 9 | /// \file |
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| 10 | /// This file contains unit tests for Signals.cpp and Signals.inc. |
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| 11 | /// |
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| 12 | //===----------------------------------------------------------------------===// |
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| 13 | |
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| 14 | #include "llvm/Support/Signals.h" |
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| 15 | #include "llvm/ADT/ScopeExit.h" |
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| 16 | #include "llvm/Config/config.h" |
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| 17 | #include "gmock/gmock.h" |
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| 18 | #include "gtest/gtest.h" |
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| 19 | |
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| 20 | using namespace llvm; |
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| 21 | using namespace llvm::sys; |
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| 22 | using testing::MatchesRegex; |
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| 23 | using testing::Not; |
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| 24 | |
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| 25 | #define TAG_BEGIN "\\{\\{\\{" |
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| 26 | #define TAG_END "\\}\\}\\}" |
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| 27 | // %p in the Symbolizer Markup Format spec |
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| 28 | #define P_REGEX "(0+|0x[0-9a-fA-F]+)" |
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| 29 | // %i in the Symbolizer Markup Format spec |
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| 30 | #define I_REGEX "(0x[0-9a-fA-F]+|0[0-7]+|[0-9]+)" |
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| 31 | |
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| 32 | #if defined(HAVE_BACKTRACE) && ENABLE_BACKTRACES && HAVE_LINK_H && \ |
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| 33 | (defined(__linux__) || defined(__FreeBSD__) || \ |
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| 34 | defined(__FreeBSD_kernel__) || defined(__NetBSD__)) |
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| 35 | TEST(SignalsTest, PrintsSymbolizerMarkup) { |
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| 36 | auto Exit = |
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| 37 | make_scope_exit(F: []() { unsetenv(name: "LLVM_ENABLE_SYMBOLIZER_MARKUP" ); }); |
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| 38 | setenv(name: "LLVM_ENABLE_SYMBOLIZER_MARKUP" , value: "1" , replace: 1); |
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| 39 | std::string Res; |
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| 40 | raw_string_ostream RawStream(Res); |
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| 41 | PrintStackTrace(OS&: RawStream); |
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| 42 | EXPECT_THAT(Res, MatchesRegex(TAG_BEGIN "reset" TAG_END ".*" )); |
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| 43 | // Module line for main binary |
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| 44 | EXPECT_THAT(Res, |
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| 45 | MatchesRegex(".*" TAG_BEGIN |
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| 46 | "module:0:[^:]*SupportTests:elf:[0-9a-f]+" TAG_END |
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| 47 | ".*" )); |
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| 48 | // Text segment for main binary |
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| 49 | EXPECT_THAT(Res, MatchesRegex(".*" TAG_BEGIN "mmap:" P_REGEX ":" I_REGEX |
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| 50 | ":load:0:rx:" P_REGEX TAG_END ".*" )); |
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| 51 | // Backtrace line |
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| 52 | EXPECT_THAT(Res, MatchesRegex(".*" TAG_BEGIN "bt:0:" P_REGEX ".*" )); |
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| 53 | } |
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| 54 | |
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| 55 | TEST(SignalsTest, SymbolizerMarkupDisabled) { |
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| 56 | auto Exit = make_scope_exit(F: []() { unsetenv(name: "LLVM_DISABLE_SYMBOLIZATION" ); }); |
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| 57 | setenv(name: "LLVM_DISABLE_SYMBOLIZATION" , value: "1" , replace: 1); |
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| 58 | std::string Res; |
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| 59 | raw_string_ostream RawStream(Res); |
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| 60 | PrintStackTrace(OS&: RawStream); |
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| 61 | EXPECT_THAT(Res, Not(MatchesRegex(TAG_BEGIN "reset" TAG_END ".*" ))); |
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| 62 | } |
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| 63 | |
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| 64 | #endif // defined(HAVE_BACKTRACE) && ... |
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| 65 | |
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