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https://github.com/RGBCube/serenity
synced 2025-05-31 13:28:11 +00:00
LibCpp: Add regression tests for the parser
For each .cpp file in the test suite data, there is a .ast file that represents the "known good" baseline of the parser result. Each .cpp file goes through the parser, and the result of invoking `ASTNode::dump()` on the root node is compared to the baseline to find regressions. We also check that there were no parser errors when parsing the .cpp files.
This commit is contained in:
Itamar
Andreas Kling
parent
fbf796cd9f
commit
832e9c6e02
16 changed files with 1264 additions and 3 deletions
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@ -110,6 +110,7 @@ cp "$SERENITY_SOURCE_DIR"/README.md mnt/home/anon/
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cp -r "$SERENITY_SOURCE_DIR"/Userland/Libraries/LibJS/Tests mnt/home/anon/js-tests
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cp -r "$SERENITY_SOURCE_DIR"/Userland/Libraries/LibJS/Tests mnt/home/anon/js-tests
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cp -r "$SERENITY_SOURCE_DIR"/Userland/Libraries/LibWeb/Tests mnt/home/anon/web-tests
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cp -r "$SERENITY_SOURCE_DIR"/Userland/Libraries/LibWeb/Tests mnt/home/anon/web-tests
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cp -r "$SERENITY_SOURCE_DIR"/Userland/DevTools/HackStudio/LanguageServers/Cpp/Tests mnt/home/anon/cpp-tests/comprehension
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cp -r "$SERENITY_SOURCE_DIR"/Userland/DevTools/HackStudio/LanguageServers/Cpp/Tests mnt/home/anon/cpp-tests/comprehension
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cp -r "$SERENITY_SOURCE_DIR"/Userland/Libraries/LibCpp/Tests mnt/home/anon/cpp-tests/parser
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chmod 700 mnt/root
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chmod 700 mnt/root
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chmod 700 mnt/home/anon
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chmod 700 mnt/home/anon
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chmod 700 mnt/home/nona
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chmod 700 mnt/home/nona
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@ -12,7 +12,7 @@ cd "$script_path/.." || exit 1
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# */
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# */
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GOOD_LICENSE_HEADER_PATTERN=$'^/\*\n( \* Copyright \(c\) [0-9]{4}(-[0-9]{4})?, .*\n)+ \*\n \* SPDX-License-Identifier: BSD-2-Clause\n \*/\n\n'
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GOOD_LICENSE_HEADER_PATTERN=$'^/\*\n( \* Copyright \(c\) [0-9]{4}(-[0-9]{4})?, .*\n)+ \*\n \* SPDX-License-Identifier: BSD-2-Clause\n \*/\n\n'
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BAD_LICENSE_HEADER_ERRORS=()
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BAD_LICENSE_HEADER_ERRORS=()
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LICENSE_HEADER_CHECK_EXCLUDES=(AK/Checked.h AK/Function.h Userland/Libraries/LibC/elf.h Userland/DevTools/HackStudio/LanguageServers/Cpp/Tests/*)
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LICENSE_HEADER_CHECK_EXCLUDES=(AK/Checked.h AK/Function.h Userland/Libraries/LibC/elf.h Userland/DevTools/HackStudio/LanguageServers/Cpp/Tests/* Userland/Libraries/LibCpp/Tests/*)
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# We check that "#pragma once" is present
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# We check that "#pragma once" is present
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PRAGMA_ONCE_PATTERN='#pragma once'
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PRAGMA_ONCE_PATTERN='#pragma once'
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@ -13,7 +13,8 @@ if [ "$#" -eq "1" ]; then
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':!:Base' \
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':!:Base' \
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':!:Kernel/FileSystem/ext2_fs.h' \
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':!:Kernel/FileSystem/ext2_fs.h' \
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':!:Userland/Libraries/LibC/syslog.h' \
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':!:Userland/Libraries/LibC/syslog.h' \
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':!:Userland/DevTools/HackStudio/LanguageServers/Cpp/Tests/*'
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':!:Userland/DevTools/HackStudio/LanguageServers/Cpp/Tests/*' \
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':!:Userland/Libraries/LibCpp/Tests/*'
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)
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)
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else
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else
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files=()
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files=()
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@ -1,8 +1,9 @@
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add_subdirectory(AK)
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add_subdirectory(AK)
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add_subdirectory(Kernel)
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add_subdirectory(Kernel)
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add_subdirectory(LibC)
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add_subdirectory(LibC)
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add_subdirectory(LibCore)
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add_subdirectory(LibCompress)
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add_subdirectory(LibCompress)
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add_subdirectory(LibCore)
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add_subdirectory(LibCpp)
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add_subdirectory(LibELF)
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add_subdirectory(LibELF)
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add_subdirectory(LibGfx)
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add_subdirectory(LibGfx)
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add_subdirectory(LibJS)
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add_subdirectory(LibJS)
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5
Tests/LibCpp/CMakeLists.txt
Normal file
5
Tests/LibCpp/CMakeLists.txt
Normal file
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@ -0,0 +1,5 @@
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file(GLOB CMD_SOURCES CONFIGURE_DEPENDS "*.cpp")
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foreach(CMD_SRC ${CMD_SOURCES})
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serenity_test(${CMD_SRC} LibCpp LIBS LibCpp)
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endforeach()
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80
Tests/LibCpp/test-cpp-parser.cpp
Normal file
80
Tests/LibCpp/test-cpp-parser.cpp
Normal file
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@ -0,0 +1,80 @@
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/*
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* Copyright (c) 2021, Itamar S. <itamar8910@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/LexicalPath.h>
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#include <LibCore/DirIterator.h>
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#include <LibCore/File.h>
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#include <LibCpp/Parser.h>
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#include <LibTest/TestCase.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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constexpr char TESTS_ROOT_DIR[] = "/home/anon/cpp-tests/parser";
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static String read_all(const String& path)
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{
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auto result = Core::File::open(path, Core::OpenMode::ReadOnly);
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VERIFY(!result.is_error());
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auto content = result.value()->read_all();
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return { reinterpret_cast<const char*>(content.data()), content.size() };
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}
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TEST_CASE(test_regression)
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{
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Core::DirIterator directory_iterator(TESTS_ROOT_DIR, Core::DirIterator::Flags::SkipDots);
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while (directory_iterator.has_next()) {
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auto file_path = directory_iterator.next_full_path();
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auto path = LexicalPath { file_path };
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if (!path.has_extension(".cpp"))
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continue;
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outln("Checking {}...", path.basename());
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auto ast_file_path = String::formatted("{}.ast", file_path.substring(0, file_path.length() - sizeof(".cpp") + 1));
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auto source = read_all(file_path);
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auto target_ast = read_all(ast_file_path);
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StringView source_view(source);
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::Cpp::Parser parser(source_view, file_path);
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auto root = parser.parse();
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EXPECT(parser.errors().is_empty());
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int pipefd[2] = {};
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if (pipe(pipefd) < 0) {
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perror("pipe");
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exit(1);
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}
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FILE* input_stream = fdopen(pipefd[0], "r");
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FILE* output_stream = fdopen(pipefd[1], "w");
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root->dump(output_stream);
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fclose(output_stream);
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ByteBuffer buffer;
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while (!feof(input_stream)) {
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char chunk[4096];
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size_t size = fread(chunk, sizeof(char), sizeof(chunk), input_stream);
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if (size == 0)
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break;
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buffer.append(chunk, size);
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}
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fclose(input_stream);
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String content { reinterpret_cast<const char*>(buffer.data()), buffer.size() };
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auto equal = content == target_ast;
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EXPECT(equal);
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}
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}
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10
Userland/Libraries/LibCpp/Tests/function-decl.ast
Normal file
10
Userland/Libraries/LibCpp/Tests/function-decl.ast
Normal file
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@ -0,0 +1,10 @@
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TranslationUnit[0:0->2:0]
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FunctionDeclaration[0:0->2:0]
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Type[0:0->0:4]
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int
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foo
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(
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)
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FunctionDefinition[1:0->2:0]
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{
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}
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3
Userland/Libraries/LibCpp/Tests/function-decl.cpp
Normal file
3
Userland/Libraries/LibCpp/Tests/function-decl.cpp
Normal file
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@ -0,0 +1,3 @@
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int foo()
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{
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}
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33
Userland/Libraries/LibCpp/Tests/if-else.ast
Normal file
33
Userland/Libraries/LibCpp/Tests/if-else.ast
Normal file
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@ -0,0 +1,33 @@
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TranslationUnit[0:0->7:0]
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FunctionDeclaration[0:0->7:0]
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Type[0:0->0:4]
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int
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foo
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(
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)
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FunctionDefinition[1:0->7:0]
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{
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IfStatement[2:4->3:16]
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Predicate:
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NumericLiteral[2:8->2:8]
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2
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Then:
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ReturnStatement[3:8->3:16]
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NumericLiteral[3:15->3:15]
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2
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IfStatement[4:4->5:16]
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Predicate:
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BinaryExpression[4:8->4:12]
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NumericLiteral[4:8->4:8]
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1
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<
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NumericLiteral[4:12->4:12]
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2
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Then:
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ReturnStatement[5:8->5:16]
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NumericLiteral[5:15->5:15]
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1
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ReturnStatement[6:4->6:12]
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NumericLiteral[6:11->6:11]
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0
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}
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8
Userland/Libraries/LibCpp/Tests/if-else.cpp
Normal file
8
Userland/Libraries/LibCpp/Tests/if-else.cpp
Normal file
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@ -0,0 +1,8 @@
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int foo()
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{
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if (2)
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return 2;
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if (1 < 2)
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return 1;
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return 0;
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}
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33
Userland/Libraries/LibCpp/Tests/local-vars.ast
Normal file
33
Userland/Libraries/LibCpp/Tests/local-vars.ast
Normal file
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@ -0,0 +1,33 @@
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TranslationUnit[1:0->7:0]
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FunctionDeclaration[1:0->7:0]
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Type[1:0->1:4]
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int
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foo
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(
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)
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FunctionDefinition[2:0->7:0]
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{
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VariableDeclaration[3:4->3:9]
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Type[3:4->3:8]
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int
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x
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VariableDeclaration[4:4->4:16]
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Type[4:4->4:11]
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double
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y
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NumericLiteral[4:15->4:15]
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2
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VariableDeclaration[5:4->5:20]
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Type[5:4->5:11]
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double
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z
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BinaryExpression[5:15->5:20]
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Name[5:15->5:17]
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x
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+
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Name[5:19->5:20]
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y
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ReturnStatement[6:4->6:12]
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Name[6:11->6:12]
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z
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}
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8
Userland/Libraries/LibCpp/Tests/local-vars.cpp
Normal file
8
Userland/Libraries/LibCpp/Tests/local-vars.cpp
Normal file
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@ -0,0 +1,8 @@
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int foo()
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{
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int x;
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double y = 2;
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double z = x + y;
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return z;
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}
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879
Userland/Libraries/LibCpp/Tests/strace.ast
Normal file
879
Userland/Libraries/LibCpp/Tests/strace.ast
Normal file
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@ -0,0 +1,879 @@
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TranslationUnit[0:0->144:0]
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VariableDeclaration[0:0->2:0]
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Type[0:0->0:11]
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[static] int
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g_pid
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UnaryExpression[0:19->0:20]
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-
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NumericLiteral[0:20->0:20]
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1
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FunctionDeclaration[2:0->10:0]
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[static]
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Type[2:7->2:12]
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void
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handle_sigint
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(
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Parameter[2:26->2:29]
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Type[2:26->2:29]
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int
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)
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FunctionDefinition[3:0->10:0]
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{
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IfStatement[4:4->5:14]
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Predicate:
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BinaryExpression[4:8->4:18]
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Name[4:8->4:14]
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g_pid
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==
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UnaryExpression[4:17->4:18]
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-
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NumericLiteral[4:18->4:18]
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1
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Then:
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ReturnStatement[5:8->5:14]
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IfStatement[7:4->10:0]
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Predicate:
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BinaryExpression[7:8->7:43]
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FunctionCall[7:8->7:39]
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Name[7:8->7:14]
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ptrace
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Name[7:15->7:24]
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PT_DETACH
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Name[7:26->7:31]
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g_pid
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NumericLiteral[7:33->7:33]
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0
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NumericLiteral[7:36->7:36]
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0
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==
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UnaryExpression[7:42->7:43]
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-
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NumericLiteral[7:43->7:43]
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1
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Then:
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BlockStatement[7:46->10:0]
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FunctionCall[8:8->8:24]
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Name[8:8->8:14]
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perror
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StringLiteral[8:15->8:22]
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"detach"
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}
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FunctionDeclaration[12:0->144:0]
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Type[12:0->12:4]
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int
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main
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|
(
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Parameter[12:9->12:16]
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argc
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Type[12:9->12:13]
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|
int
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Parameter[12:24->12:29]
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argv
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|
Pointer[12:24->12:26]
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|
Pointer[12:23->12:24]
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|
Type[12:19->12:23]
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|
char
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|
)
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|
FunctionDefinition[13:0->144:0]
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|
{
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IfStatement[14:4->19:4]
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Predicate:
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BinaryExpression[14:8->14:74]
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|
FunctionCall[14:8->14:72]
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Name[14:8->14:14]
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|
pledge
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StringLiteral[14:15->14:60]
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"stdio wpath cpath proc exec ptrace sigaction"
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NullPointerLiteral[14:63->14:69]
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<
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|
NumericLiteral[14:74->14:74]
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0
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Then:
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BlockStatement[14:77->19:4]
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FunctionCall[15:8->15:24]
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Name[15:8->15:14]
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perror
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StringLiteral[15:15->15:22]
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"pledge"
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ReturnStatement[16:8->16:16]
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NumericLiteral[16:15->16:15]
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1
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VariableDeclaration[19:4->19:34]
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|
Type[19:4->19:24]
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|
Vector<[const] char*>
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child_argv
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|
VariableDeclaration[21:4->21:41]
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Pointer[21:14->21:16]
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|
Type[21:4->21:14]
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[const] char
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output_filename
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NullPointerLiteral[21:34->21:40]
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VariableDeclaration[22:4->22:50]
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Type[22:4->22:9]
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auto
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trace_file
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FunctionCall[22:22->22:50]
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Name[22:22->22:48]
|
||||||
|
Core::File::standard_error
|
||||||
|
VariableDeclaration[24:4->24:27]
|
||||||
|
Type[24:4->24:21]
|
||||||
|
Core::ArgsParser
|
||||||
|
parser
|
||||||
|
FunctionCall[25:4->26:47]
|
||||||
|
MemberExpression[25:4->25:27]
|
||||||
|
Name[25:4->25:10]
|
||||||
|
parser
|
||||||
|
Identifier[25:11->25:26]
|
||||||
|
set_general_help
|
||||||
|
StringLiteral[26:8->26:45]
|
||||||
|
"Trace all syscalls and their result."
|
||||||
|
FunctionCall[27:4->27:70]
|
||||||
|
MemberExpression[27:4->27:21]
|
||||||
|
Name[27:4->27:10]
|
||||||
|
parser
|
||||||
|
Identifier[27:11->27:20]
|
||||||
|
add_option
|
||||||
|
Name[27:22->27:27]
|
||||||
|
g_pid
|
||||||
|
StringLiteral[27:29->27:49]
|
||||||
|
"Trace the given PID"
|
||||||
|
StringLiteral[27:52->27:56]
|
||||||
|
"pid"
|
||||||
|
StringLiteral[27:59->27:61]
|
||||||
|
'p'
|
||||||
|
StringLiteral[27:64->27:68]
|
||||||
|
"pid"
|
||||||
|
FunctionCall[28:4->28:94]
|
||||||
|
MemberExpression[28:4->28:21]
|
||||||
|
Name[28:4->28:10]
|
||||||
|
parser
|
||||||
|
Identifier[28:11->28:20]
|
||||||
|
add_option
|
||||||
|
Name[28:22->28:37]
|
||||||
|
output_filename
|
||||||
|
StringLiteral[28:39->28:67]
|
||||||
|
"Filename to write output to"
|
||||||
|
StringLiteral[28:70->28:77]
|
||||||
|
"output"
|
||||||
|
StringLiteral[28:80->28:82]
|
||||||
|
'o'
|
||||||
|
StringLiteral[28:85->28:92]
|
||||||
|
"output"
|
||||||
|
FunctionCall[29:4->29:111]
|
||||||
|
MemberExpression[29:4->29:34]
|
||||||
|
Name[29:4->29:10]
|
||||||
|
parser
|
||||||
|
Identifier[29:11->29:33]
|
||||||
|
add_positional_argument
|
||||||
|
Name[29:35->29:45]
|
||||||
|
child_argv
|
||||||
|
StringLiteral[29:47->29:65]
|
||||||
|
"Arguments to exec"
|
||||||
|
StringLiteral[29:68->29:77]
|
||||||
|
"argument"
|
||||||
|
Name[29:80->29:110]
|
||||||
|
Core::ArgsParser::Required::No
|
||||||
|
FunctionCall[31:4->31:28]
|
||||||
|
MemberExpression[31:4->31:16]
|
||||||
|
Name[31:4->31:10]
|
||||||
|
parser
|
||||||
|
Identifier[31:11->31:15]
|
||||||
|
parse
|
||||||
|
Name[31:17->31:21]
|
||||||
|
argc
|
||||||
|
Name[31:23->31:27]
|
||||||
|
argv
|
||||||
|
IfStatement[33:4->42:4]
|
||||||
|
Predicate:
|
||||||
|
BinaryExpression[33:8->33:33]
|
||||||
|
Name[33:8->33:24]
|
||||||
|
output_filename
|
||||||
|
!=
|
||||||
|
NullPointerLiteral[33:27->33:33]
|
||||||
|
Then:
|
||||||
|
BlockStatement[33:36->42:4]
|
||||||
|
VariableDeclaration[34:8->34:87]
|
||||||
|
Type[34:8->34:13]
|
||||||
|
auto
|
||||||
|
open_result
|
||||||
|
FunctionCall[34:27->34:87]
|
||||||
|
Name[34:27->34:43]
|
||||||
|
Core::File::open
|
||||||
|
Name[34:44->34:59]
|
||||||
|
output_filename
|
||||||
|
Name[34:61->34:86]
|
||||||
|
Core::OpenMode::WriteOnly
|
||||||
|
IfStatement[35:8->39:8]
|
||||||
|
Predicate:
|
||||||
|
FunctionCall[35:12->35:34]
|
||||||
|
MemberExpression[35:12->35:32]
|
||||||
|
Name[35:12->35:23]
|
||||||
|
open_result
|
||||||
|
Identifier[35:24->35:31]
|
||||||
|
is_error
|
||||||
|
Then:
|
||||||
|
BlockStatement[35:36->39:8]
|
||||||
|
FunctionCall[36:12->36:80]
|
||||||
|
Name[36:12->36:17]
|
||||||
|
outln
|
||||||
|
Name[36:18->36:24]
|
||||||
|
stderr
|
||||||
|
StringLiteral[36:26->36:57]
|
||||||
|
"Failed to open output file: {}"
|
||||||
|
FunctionCall[36:60->36:79]
|
||||||
|
MemberExpression[36:60->36:77]
|
||||||
|
Name[36:60->36:71]
|
||||||
|
open_result
|
||||||
|
Identifier[36:72->36:76]
|
||||||
|
error
|
||||||
|
ReturnStatement[37:12->37:20]
|
||||||
|
NumericLiteral[37:19->37:19]
|
||||||
|
1
|
||||||
|
AssignmentExpression[39:8->39:40]
|
||||||
|
Name[39:8->39:19]
|
||||||
|
trace_file
|
||||||
|
=
|
||||||
|
FunctionCall[39:21->39:40]
|
||||||
|
MemberExpression[39:21->39:38]
|
||||||
|
Name[39:21->39:32]
|
||||||
|
open_result
|
||||||
|
Identifier[39:33->39:37]
|
||||||
|
value
|
||||||
|
IfStatement[42:4->47:4]
|
||||||
|
Predicate:
|
||||||
|
BinaryExpression[42:8->42:62]
|
||||||
|
FunctionCall[42:8->42:60]
|
||||||
|
Name[42:8->42:14]
|
||||||
|
pledge
|
||||||
|
StringLiteral[42:15->42:48]
|
||||||
|
"stdio proc exec ptrace sigaction"
|
||||||
|
NullPointerLiteral[42:51->42:57]
|
||||||
|
<
|
||||||
|
NumericLiteral[42:62->42:62]
|
||||||
|
0
|
||||||
|
Then:
|
||||||
|
BlockStatement[42:65->47:4]
|
||||||
|
FunctionCall[43:8->43:24]
|
||||||
|
Name[43:8->43:14]
|
||||||
|
perror
|
||||||
|
StringLiteral[43:15->43:22]
|
||||||
|
"pledge"
|
||||||
|
ReturnStatement[44:8->44:16]
|
||||||
|
NumericLiteral[44:15->44:15]
|
||||||
|
1
|
||||||
|
VariableDeclaration[47:4->47:14]
|
||||||
|
Type[47:4->47:8]
|
||||||
|
int
|
||||||
|
status
|
||||||
|
IfStatement[48:4->81:4]
|
||||||
|
Predicate:
|
||||||
|
BinaryExpression[48:8->48:18]
|
||||||
|
Name[48:8->48:14]
|
||||||
|
g_pid
|
||||||
|
==
|
||||||
|
UnaryExpression[48:17->48:18]
|
||||||
|
-
|
||||||
|
NumericLiteral[48:18->48:18]
|
||||||
|
1
|
||||||
|
Then:
|
||||||
|
BlockStatement[48:21->81:4]
|
||||||
|
IfStatement[49:8->54:8]
|
||||||
|
Predicate:
|
||||||
|
FunctionCall[49:12->49:33]
|
||||||
|
MemberExpression[49:12->49:31]
|
||||||
|
Name[49:12->49:22]
|
||||||
|
child_argv
|
||||||
|
Identifier[49:23->49:30]
|
||||||
|
is_empty
|
||||||
|
Then:
|
||||||
|
BlockStatement[49:35->54:8]
|
||||||
|
FunctionCall[50:12->50:78]
|
||||||
|
Name[50:12->50:17]
|
||||||
|
outln
|
||||||
|
Name[50:18->50:24]
|
||||||
|
stderr
|
||||||
|
StringLiteral[50:26->50:76]
|
||||||
|
"strace: Expected either a pid or some arguments\n"
|
||||||
|
ReturnStatement[51:12->51:20]
|
||||||
|
NumericLiteral[51:19->51:19]
|
||||||
|
1
|
||||||
|
FunctionCall[54:8->54:34]
|
||||||
|
MemberExpression[54:8->54:25]
|
||||||
|
Name[54:8->54:18]
|
||||||
|
child_argv
|
||||||
|
Identifier[54:19->54:24]
|
||||||
|
append
|
||||||
|
NullPointerLiteral[54:26->54:32]
|
||||||
|
VariableDeclaration[55:8->55:24]
|
||||||
|
Type[55:8->55:12]
|
||||||
|
int
|
||||||
|
pid
|
||||||
|
FunctionCall[55:18->55:24]
|
||||||
|
Name[55:18->55:22]
|
||||||
|
fork
|
||||||
|
IfStatement[56:8->61:8]
|
||||||
|
Predicate:
|
||||||
|
BinaryExpression[56:12->56:18]
|
||||||
|
Name[56:12->56:16]
|
||||||
|
pid
|
||||||
|
<
|
||||||
|
NumericLiteral[56:18->56:18]
|
||||||
|
0
|
||||||
|
Then:
|
||||||
|
BlockStatement[56:21->61:8]
|
||||||
|
FunctionCall[57:12->57:26]
|
||||||
|
Name[57:12->57:18]
|
||||||
|
perror
|
||||||
|
StringLiteral[57:19->57:24]
|
||||||
|
"fork"
|
||||||
|
ReturnStatement[58:12->58:20]
|
||||||
|
NumericLiteral[58:19->58:19]
|
||||||
|
1
|
||||||
|
IfStatement[61:8->74:8]
|
||||||
|
Predicate:
|
||||||
|
UnaryExpression[61:12->61:16]
|
||||||
|
!
|
||||||
|
Name[61:13->61:16]
|
||||||
|
pid
|
||||||
|
Then:
|
||||||
|
BlockStatement[61:18->74:8]
|
||||||
|
IfStatement[62:12->66:12]
|
||||||
|
Predicate:
|
||||||
|
BinaryExpression[62:16->62:49]
|
||||||
|
FunctionCall[62:16->62:45]
|
||||||
|
Name[62:16->62:22]
|
||||||
|
ptrace
|
||||||
|
Name[62:23->62:34]
|
||||||
|
PT_TRACE_ME
|
||||||
|
NumericLiteral[62:36->62:36]
|
||||||
|
0
|
||||||
|
NumericLiteral[62:39->62:39]
|
||||||
|
0
|
||||||
|
NumericLiteral[62:42->62:42]
|
||||||
|
0
|
||||||
|
==
|
||||||
|
UnaryExpression[62:48->62:49]
|
||||||
|
-
|
||||||
|
NumericLiteral[62:49->62:49]
|
||||||
|
1
|
||||||
|
Then:
|
||||||
|
BlockStatement[62:52->66:12]
|
||||||
|
FunctionCall[63:16->63:33]
|
||||||
|
Name[63:16->63:22]
|
||||||
|
perror
|
||||||
|
StringLiteral[63:23->63:31]
|
||||||
|
"traceme"
|
||||||
|
ReturnStatement[64:16->64:24]
|
||||||
|
NumericLiteral[64:23->64:23]
|
||||||
|
1
|
||||||
|
VariableDeclaration[66:12->66:86]
|
||||||
|
Type[66:12->66:16]
|
||||||
|
int
|
||||||
|
rc
|
||||||
|
FunctionCall[66:21->66:86]
|
||||||
|
Name[66:21->66:27]
|
||||||
|
execvp
|
||||||
|
FunctionCall[66:28->66:46]
|
||||||
|
MemberExpression[66:28->66:44]
|
||||||
|
Name[66:28->66:38]
|
||||||
|
child_argv
|
||||||
|
Identifier[66:39->66:43]
|
||||||
|
first
|
||||||
|
CppCastExpression[66:48->66:85]
|
||||||
|
const_cast
|
||||||
|
<
|
||||||
|
Pointer[66:64->66:65]
|
||||||
|
Pointer[66:63->66:64]
|
||||||
|
Type[66:59->66:63]
|
||||||
|
char
|
||||||
|
>
|
||||||
|
FunctionCall[66:67->66:84]
|
||||||
|
MemberExpression[66:67->66:82]
|
||||||
|
Name[66:67->66:77]
|
||||||
|
child_argv
|
||||||
|
Identifier[66:78->66:81]
|
||||||
|
data
|
||||||
|
IfStatement[67:12->71:12]
|
||||||
|
Predicate:
|
||||||
|
BinaryExpression[67:16->67:21]
|
||||||
|
Name[67:16->67:19]
|
||||||
|
rc
|
||||||
|
<
|
||||||
|
NumericLiteral[67:21->67:21]
|
||||||
|
0
|
||||||
|
Then:
|
||||||
|
BlockStatement[67:24->71:12]
|
||||||
|
FunctionCall[68:16->68:32]
|
||||||
|
Name[68:16->68:22]
|
||||||
|
perror
|
||||||
|
StringLiteral[68:23->68:30]
|
||||||
|
"execvp"
|
||||||
|
FunctionCall[69:16->69:23]
|
||||||
|
Name[69:16->69:20]
|
||||||
|
exit
|
||||||
|
NumericLiteral[69:21->69:21]
|
||||||
|
1
|
||||||
|
FunctionCall[71:12->71:32]
|
||||||
|
Name[71:12->71:30]
|
||||||
|
VERIFY_NOT_REACHED
|
||||||
|
AssignmentExpression[74:8->74:19]
|
||||||
|
Name[74:8->74:14]
|
||||||
|
g_pid
|
||||||
|
=
|
||||||
|
Name[74:16->74:19]
|
||||||
|
pid
|
||||||
|
IfStatement[75:8->79:4]
|
||||||
|
Predicate:
|
||||||
|
BinaryExpression[75:12->75:83]
|
||||||
|
FunctionCall[75:12->75:54]
|
||||||
|
Name[75:12->75:19]
|
||||||
|
waitpid
|
||||||
|
Name[75:20->75:23]
|
||||||
|
pid
|
||||||
|
UnaryExpression[75:25->75:32]
|
||||||
|
&
|
||||||
|
Name[75:26->75:32]
|
||||||
|
status
|
||||||
|
BinaryExpression[75:34->75:52]
|
||||||
|
Name[75:34->75:43]
|
||||||
|
WSTOPPED
|
||||||
|
|
|
||||||
|
Name[75:45->75:52]
|
||||||
|
WEXITED
|
||||||
|
!=
|
||||||
|
BinaryExpression[75:57->75:83]
|
||||||
|
Name[75:57->75:61]
|
||||||
|
pid
|
||||||
|
||
|
||||||
|
UnaryExpression[75:64->75:83]
|
||||||
|
!
|
||||||
|
FunctionCall[75:65->75:83]
|
||||||
|
Name[75:65->75:75]
|
||||||
|
WIFSTOPPED
|
||||||
|
Name[75:76->75:82]
|
||||||
|
status
|
||||||
|
Then:
|
||||||
|
BlockStatement[75:85->79:4]
|
||||||
|
FunctionCall[76:12->76:29]
|
||||||
|
Name[76:12->76:18]
|
||||||
|
perror
|
||||||
|
StringLiteral[76:19->76:27]
|
||||||
|
"waitpid"
|
||||||
|
ReturnStatement[77:12->77:20]
|
||||||
|
NumericLiteral[77:19->77:19]
|
||||||
|
1
|
||||||
|
VariableDeclaration[81:4->81:23]
|
||||||
|
Type[81:4->81:21]
|
||||||
|
sigaction
|
||||||
|
sa
|
||||||
|
FunctionCall[82:4->82:44]
|
||||||
|
Name[82:4->82:10]
|
||||||
|
memset
|
||||||
|
UnaryExpression[82:11->82:14]
|
||||||
|
&
|
||||||
|
Name[82:12->82:14]
|
||||||
|
sa
|
||||||
|
NumericLiteral[82:16->82:16]
|
||||||
|
0
|
||||||
|
SizeofExpression[82:19->82:43]
|
||||||
|
Type[82:26->82:42]
|
||||||
|
sigaction
|
||||||
|
AssignmentExpression[83:4->83:33]
|
||||||
|
MemberExpression[83:4->83:18]
|
||||||
|
Name[83:4->83:6]
|
||||||
|
sa
|
||||||
|
Identifier[83:7->83:16]
|
||||||
|
sa_handler
|
||||||
|
=
|
||||||
|
Name[83:20->83:33]
|
||||||
|
handle_sigint
|
||||||
|
FunctionCall[84:4->84:35]
|
||||||
|
Name[84:4->84:13]
|
||||||
|
sigaction
|
||||||
|
Name[84:14->84:20]
|
||||||
|
SIGINT
|
||||||
|
UnaryExpression[84:22->84:25]
|
||||||
|
&
|
||||||
|
Name[84:23->84:25]
|
||||||
|
sa
|
||||||
|
NullPointerLiteral[84:27->84:33]
|
||||||
|
IfStatement[86:4->90:4]
|
||||||
|
Predicate:
|
||||||
|
BinaryExpression[86:8->86:43]
|
||||||
|
FunctionCall[86:8->86:39]
|
||||||
|
Name[86:8->86:14]
|
||||||
|
ptrace
|
||||||
|
Name[86:15->86:24]
|
||||||
|
PT_ATTACH
|
||||||
|
Name[86:26->86:31]
|
||||||
|
g_pid
|
||||||
|
NumericLiteral[86:33->86:33]
|
||||||
|
0
|
||||||
|
NumericLiteral[86:36->86:36]
|
||||||
|
0
|
||||||
|
==
|
||||||
|
UnaryExpression[86:42->86:43]
|
||||||
|
-
|
||||||
|
NumericLiteral[86:43->86:43]
|
||||||
|
1
|
||||||
|
Then:
|
||||||
|
BlockStatement[86:46->90:4]
|
||||||
|
FunctionCall[87:8->87:24]
|
||||||
|
Name[87:8->87:14]
|
||||||
|
perror
|
||||||
|
StringLiteral[87:15->87:22]
|
||||||
|
"attach"
|
||||||
|
ReturnStatement[88:8->88:16]
|
||||||
|
NumericLiteral[88:15->88:15]
|
||||||
|
1
|
||||||
|
IfStatement[90:4->95:4]
|
||||||
|
Predicate:
|
||||||
|
BinaryExpression[90:8->90:83]
|
||||||
|
FunctionCall[90:8->90:52]
|
||||||
|
Name[90:8->90:15]
|
||||||
|
waitpid
|
||||||
|
Name[90:16->90:21]
|
||||||
|
g_pid
|
||||||
|
UnaryExpression[90:23->90:30]
|
||||||
|
&
|
||||||
|
Name[90:24->90:30]
|
||||||
|
status
|
||||||
|
BinaryExpression[90:32->90:50]
|
||||||
|
Name[90:32->90:41]
|
||||||
|
WSTOPPED
|
||||||
|
|
|
||||||
|
Name[90:43->90:50]
|
||||||
|
WEXITED
|
||||||
|
!=
|
||||||
|
BinaryExpression[90:55->90:83]
|
||||||
|
Name[90:55->90:61]
|
||||||
|
g_pid
|
||||||
|
||
|
||||||
|
UnaryExpression[90:64->90:83]
|
||||||
|
!
|
||||||
|
FunctionCall[90:65->90:83]
|
||||||
|
Name[90:65->90:75]
|
||||||
|
WIFSTOPPED
|
||||||
|
Name[90:76->90:82]
|
||||||
|
status
|
||||||
|
Then:
|
||||||
|
BlockStatement[90:85->95:4]
|
||||||
|
FunctionCall[91:8->91:25]
|
||||||
|
Name[91:8->91:14]
|
||||||
|
perror
|
||||||
|
StringLiteral[91:15->91:23]
|
||||||
|
"waitpid"
|
||||||
|
ReturnStatement[92:8->92:16]
|
||||||
|
NumericLiteral[92:15->92:15]
|
||||||
|
1
|
||||||
|
ForStatement[95:4->143:4]
|
||||||
|
BlockStatement[95:13->143:4]
|
||||||
|
IfStatement[96:8->100:8]
|
||||||
|
Predicate:
|
||||||
|
BinaryExpression[96:12->96:48]
|
||||||
|
FunctionCall[96:12->96:44]
|
||||||
|
Name[96:12->96:18]
|
||||||
|
ptrace
|
||||||
|
Name[96:19->96:29]
|
||||||
|
PT_SYSCALL
|
||||||
|
Name[96:31->96:36]
|
||||||
|
g_pid
|
||||||
|
NumericLiteral[96:38->96:38]
|
||||||
|
0
|
||||||
|
NumericLiteral[96:41->96:41]
|
||||||
|
0
|
||||||
|
==
|
||||||
|
UnaryExpression[96:47->96:48]
|
||||||
|
-
|
||||||
|
NumericLiteral[96:48->96:48]
|
||||||
|
1
|
||||||
|
Then:
|
||||||
|
BlockStatement[96:51->100:8]
|
||||||
|
FunctionCall[97:12->97:29]
|
||||||
|
Name[97:12->97:18]
|
||||||
|
perror
|
||||||
|
StringLiteral[97:19->97:27]
|
||||||
|
"syscall"
|
||||||
|
ReturnStatement[98:12->98:20]
|
||||||
|
NumericLiteral[98:19->98:19]
|
||||||
|
1
|
||||||
|
IfStatement[100:8->104:8]
|
||||||
|
Predicate:
|
||||||
|
BinaryExpression[100:12->100:87]
|
||||||
|
FunctionCall[100:12->100:56]
|
||||||
|
Name[100:12->100:19]
|
||||||
|
waitpid
|
||||||
|
Name[100:20->100:25]
|
||||||
|
g_pid
|
||||||
|
UnaryExpression[100:27->100:34]
|
||||||
|
&
|
||||||
|
Name[100:28->100:34]
|
||||||
|
status
|
||||||
|
BinaryExpression[100:36->100:54]
|
||||||
|
Name[100:36->100:45]
|
||||||
|
WSTOPPED
|
||||||
|
|
|
||||||
|
Name[100:47->100:54]
|
||||||
|
WEXITED
|
||||||
|
!=
|
||||||
|
BinaryExpression[100:59->100:87]
|
||||||
|
Name[100:59->100:65]
|
||||||
|
g_pid
|
||||||
|
||
|
||||||
|
UnaryExpression[100:68->100:87]
|
||||||
|
!
|
||||||
|
FunctionCall[100:69->100:87]
|
||||||
|
Name[100:69->100:79]
|
||||||
|
WIFSTOPPED
|
||||||
|
Name[100:80->100:86]
|
||||||
|
status
|
||||||
|
Then:
|
||||||
|
BlockStatement[100:89->104:8]
|
||||||
|
FunctionCall[101:12->101:30]
|
||||||
|
Name[101:12->101:18]
|
||||||
|
perror
|
||||||
|
StringLiteral[101:19->101:28]
|
||||||
|
"wait_pid"
|
||||||
|
ReturnStatement[102:12->102:20]
|
||||||
|
NumericLiteral[102:19->102:19]
|
||||||
|
1
|
||||||
|
VariableDeclaration[104:8->104:33]
|
||||||
|
Type[104:8->104:24]
|
||||||
|
PtraceRegisters
|
||||||
|
regs
|
||||||
|
BracedInitList[104:31->104:33]
|
||||||
|
IfStatement[105:8->109:8]
|
||||||
|
Predicate:
|
||||||
|
BinaryExpression[105:12->105:52]
|
||||||
|
FunctionCall[105:12->105:48]
|
||||||
|
Name[105:12->105:18]
|
||||||
|
ptrace
|
||||||
|
Name[105:19->105:29]
|
||||||
|
PT_GETREGS
|
||||||
|
Name[105:31->105:36]
|
||||||
|
g_pid
|
||||||
|
UnaryExpression[105:38->105:43]
|
||||||
|
&
|
||||||
|
Name[105:39->105:43]
|
||||||
|
regs
|
||||||
|
NumericLiteral[105:45->105:45]
|
||||||
|
0
|
||||||
|
==
|
||||||
|
UnaryExpression[105:51->105:52]
|
||||||
|
-
|
||||||
|
NumericLiteral[105:52->105:52]
|
||||||
|
1
|
||||||
|
Then:
|
||||||
|
BlockStatement[105:55->109:8]
|
||||||
|
FunctionCall[106:12->106:29]
|
||||||
|
Name[106:12->106:18]
|
||||||
|
perror
|
||||||
|
StringLiteral[106:19->106:27]
|
||||||
|
"getregs"
|
||||||
|
ReturnStatement[107:12->107:20]
|
||||||
|
NumericLiteral[107:19->107:19]
|
||||||
|
1
|
||||||
|
VariableDeclaration[109:8->109:36]
|
||||||
|
Type[109:8->109:12]
|
||||||
|
u32
|
||||||
|
syscall_index
|
||||||
|
MemberExpression[109:28->109:36]
|
||||||
|
Name[109:28->109:32]
|
||||||
|
regs
|
||||||
|
Identifier[109:33->109:35]
|
||||||
|
eax
|
||||||
|
VariableDeclaration[110:8->110:27]
|
||||||
|
Type[110:8->110:12]
|
||||||
|
u32
|
||||||
|
arg1
|
||||||
|
MemberExpression[110:19->110:27]
|
||||||
|
Name[110:19->110:23]
|
||||||
|
regs
|
||||||
|
Identifier[110:24->110:26]
|
||||||
|
edx
|
||||||
|
VariableDeclaration[111:8->111:27]
|
||||||
|
Type[111:8->111:12]
|
||||||
|
u32
|
||||||
|
arg2
|
||||||
|
MemberExpression[111:19->111:27]
|
||||||
|
Name[111:19->111:23]
|
||||||
|
regs
|
||||||
|
Identifier[111:24->111:26]
|
||||||
|
ecx
|
||||||
|
VariableDeclaration[112:8->112:27]
|
||||||
|
Type[112:8->112:12]
|
||||||
|
u32
|
||||||
|
arg3
|
||||||
|
MemberExpression[112:19->112:27]
|
||||||
|
Name[112:19->112:23]
|
||||||
|
regs
|
||||||
|
Identifier[112:24->112:26]
|
||||||
|
ebx
|
||||||
|
IfStatement[114:8->118:8]
|
||||||
|
Predicate:
|
||||||
|
BinaryExpression[114:12->114:48]
|
||||||
|
FunctionCall[114:12->114:44]
|
||||||
|
Name[114:12->114:18]
|
||||||
|
ptrace
|
||||||
|
Name[114:19->114:29]
|
||||||
|
PT_SYSCALL
|
||||||
|
Name[114:31->114:36]
|
||||||
|
g_pid
|
||||||
|
NumericLiteral[114:38->114:38]
|
||||||
|
0
|
||||||
|
NumericLiteral[114:41->114:41]
|
||||||
|
0
|
||||||
|
==
|
||||||
|
UnaryExpression[114:47->114:48]
|
||||||
|
-
|
||||||
|
NumericLiteral[114:48->114:48]
|
||||||
|
1
|
||||||
|
Then:
|
||||||
|
BlockStatement[114:51->118:8]
|
||||||
|
FunctionCall[115:12->115:29]
|
||||||
|
Name[115:12->115:18]
|
||||||
|
perror
|
||||||
|
StringLiteral[115:19->115:27]
|
||||||
|
"syscall"
|
||||||
|
ReturnStatement[116:12->116:20]
|
||||||
|
NumericLiteral[116:19->116:19]
|
||||||
|
1
|
||||||
|
IfStatement[118:8->123:8]
|
||||||
|
Predicate:
|
||||||
|
BinaryExpression[118:12->118:87]
|
||||||
|
FunctionCall[118:12->118:56]
|
||||||
|
Name[118:12->118:19]
|
||||||
|
waitpid
|
||||||
|
Name[118:20->118:25]
|
||||||
|
g_pid
|
||||||
|
UnaryExpression[118:27->118:34]
|
||||||
|
&
|
||||||
|
Name[118:28->118:34]
|
||||||
|
status
|
||||||
|
BinaryExpression[118:36->118:54]
|
||||||
|
Name[118:36->118:45]
|
||||||
|
WSTOPPED
|
||||||
|
|
|
||||||
|
Name[118:47->118:54]
|
||||||
|
WEXITED
|
||||||
|
!=
|
||||||
|
BinaryExpression[118:59->118:87]
|
||||||
|
Name[118:59->118:65]
|
||||||
|
g_pid
|
||||||
|
||
|
||||||
|
UnaryExpression[118:68->118:87]
|
||||||
|
!
|
||||||
|
FunctionCall[118:69->118:87]
|
||||||
|
Name[118:69->118:79]
|
||||||
|
WIFSTOPPED
|
||||||
|
Name[118:80->118:86]
|
||||||
|
status
|
||||||
|
Then:
|
||||||
|
BlockStatement[118:89->123:8]
|
||||||
|
FunctionCall[119:12->119:30]
|
||||||
|
Name[119:12->119:18]
|
||||||
|
perror
|
||||||
|
StringLiteral[119:19->119:28]
|
||||||
|
"wait_pid"
|
||||||
|
ReturnStatement[120:12->120:20]
|
||||||
|
NumericLiteral[120:19->120:19]
|
||||||
|
1
|
||||||
|
IfStatement[123:8->128:8]
|
||||||
|
Predicate:
|
||||||
|
BinaryExpression[123:12->123:52]
|
||||||
|
FunctionCall[123:12->123:48]
|
||||||
|
Name[123:12->123:18]
|
||||||
|
ptrace
|
||||||
|
Name[123:19->123:29]
|
||||||
|
PT_GETREGS
|
||||||
|
Name[123:31->123:36]
|
||||||
|
g_pid
|
||||||
|
UnaryExpression[123:38->123:43]
|
||||||
|
&
|
||||||
|
Name[123:39->123:43]
|
||||||
|
regs
|
||||||
|
NumericLiteral[123:45->123:45]
|
||||||
|
0
|
||||||
|
==
|
||||||
|
UnaryExpression[123:51->123:52]
|
||||||
|
-
|
||||||
|
NumericLiteral[123:52->123:52]
|
||||||
|
1
|
||||||
|
Then:
|
||||||
|
BlockStatement[123:55->128:8]
|
||||||
|
FunctionCall[124:12->124:29]
|
||||||
|
Name[124:12->124:18]
|
||||||
|
perror
|
||||||
|
StringLiteral[124:19->124:27]
|
||||||
|
"getregs"
|
||||||
|
ReturnStatement[125:12->125:20]
|
||||||
|
NumericLiteral[125:19->125:19]
|
||||||
|
1
|
||||||
|
VariableDeclaration[128:8->128:26]
|
||||||
|
Type[128:8->128:12]
|
||||||
|
u32
|
||||||
|
res
|
||||||
|
MemberExpression[128:18->128:26]
|
||||||
|
Name[128:18->128:22]
|
||||||
|
regs
|
||||||
|
Identifier[128:23->128:25]
|
||||||
|
eax
|
||||||
|
VariableDeclaration[130:8->135:16]
|
||||||
|
Type[130:8->130:13]
|
||||||
|
auto
|
||||||
|
string
|
||||||
|
FunctionCall[130:22->135:16]
|
||||||
|
Name[130:22->130:39]
|
||||||
|
String::formatted
|
||||||
|
StringLiteral[130:40->130:77]
|
||||||
|
"{}({:#08x}, {:#08x}, {:#08x})\t={}\n"
|
||||||
|
FunctionCall[131:12->131:64]
|
||||||
|
Name[131:12->131:30]
|
||||||
|
Syscall::to_string
|
||||||
|
CStyleCastExpression[131:31->131:63]
|
||||||
|
Type[131:32->131:49]
|
||||||
|
Syscall::Function
|
||||||
|
Name[131:50->131:63]
|
||||||
|
syscall_index
|
||||||
|
Name[132:12->132:16]
|
||||||
|
arg1
|
||||||
|
Name[133:12->133:16]
|
||||||
|
arg2
|
||||||
|
Name[134:12->134:16]
|
||||||
|
arg3
|
||||||
|
Name[135:12->135:15]
|
||||||
|
res
|
||||||
|
IfStatement[137:8->141:4]
|
||||||
|
Predicate:
|
||||||
|
UnaryExpression[137:12->137:38]
|
||||||
|
!
|
||||||
|
BinaryExpression[137:13->137:38]
|
||||||
|
Name[137:13->137:23]
|
||||||
|
trace_file
|
||||||
|
->
|
||||||
|
FunctionCall[137:25->137:38]
|
||||||
|
Name[137:25->137:30]
|
||||||
|
write
|
||||||
|
Name[137:31->137:37]
|
||||||
|
string
|
||||||
|
Then:
|
||||||
|
BlockStatement[137:40->141:4]
|
||||||
|
FunctionCall[138:12->138:59]
|
||||||
|
Name[138:12->138:18]
|
||||||
|
warnln
|
||||||
|
StringLiteral[138:19->138:29]
|
||||||
|
"write: {}"
|
||||||
|
BinaryExpression[138:32->138:58]
|
||||||
|
Name[138:32->138:42]
|
||||||
|
trace_file
|
||||||
|
->
|
||||||
|
FunctionCall[138:44->138:58]
|
||||||
|
Name[138:44->138:56]
|
||||||
|
error_string
|
||||||
|
ReturnStatement[139:12->139:20]
|
||||||
|
NumericLiteral[139:19->139:19]
|
||||||
|
1
|
||||||
|
ReturnStatement[143:4->143:12]
|
||||||
|
NumericLiteral[143:11->143:11]
|
||||||
|
0
|
||||||
|
}
|
||||||
145
Userland/Libraries/LibCpp/Tests/strace.cpp
Normal file
145
Userland/Libraries/LibCpp/Tests/strace.cpp
Normal file
|
|
@ -0,0 +1,145 @@
|
||||||
|
static int g_pid = -1;
|
||||||
|
|
||||||
|
static void handle_sigint(int)
|
||||||
|
{
|
||||||
|
if (g_pid == -1)
|
||||||
|
return;
|
||||||
|
|
||||||
|
if (ptrace(PT_DETACH, g_pid, 0, 0) == -1) {
|
||||||
|
perror("detach");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
int main(int argc, char** argv)
|
||||||
|
{
|
||||||
|
if (pledge("stdio wpath cpath proc exec ptrace sigaction", nullptr) < 0) {
|
||||||
|
perror("pledge");
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
Vector<const char*> child_argv;
|
||||||
|
|
||||||
|
const char* output_filename = nullptr;
|
||||||
|
auto trace_file = Core::File::standard_error();
|
||||||
|
|
||||||
|
Core::ArgsParser parser;
|
||||||
|
parser.set_general_help(
|
||||||
|
"Trace all syscalls and their result.");
|
||||||
|
parser.add_option(g_pid, "Trace the given PID", "pid", 'p', "pid");
|
||||||
|
parser.add_option(output_filename, "Filename to write output to", "output", 'o', "output");
|
||||||
|
parser.add_positional_argument(child_argv, "Arguments to exec", "argument", Core::ArgsParser::Required::No);
|
||||||
|
|
||||||
|
parser.parse(argc, argv);
|
||||||
|
|
||||||
|
if (output_filename != nullptr) {
|
||||||
|
auto open_result = Core::File::open(output_filename, Core::OpenMode::WriteOnly);
|
||||||
|
if (open_result.is_error()) {
|
||||||
|
outln(stderr, "Failed to open output file: {}", open_result.error());
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
trace_file = open_result.value();
|
||||||
|
}
|
||||||
|
|
||||||
|
if (pledge("stdio proc exec ptrace sigaction", nullptr) < 0) {
|
||||||
|
perror("pledge");
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
int status;
|
||||||
|
if (g_pid == -1) {
|
||||||
|
if (child_argv.is_empty()) {
|
||||||
|
outln(stderr, "strace: Expected either a pid or some arguments\n");
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
child_argv.append(nullptr);
|
||||||
|
int pid = fork();
|
||||||
|
if (pid < 0) {
|
||||||
|
perror("fork");
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!pid) {
|
||||||
|
if (ptrace(PT_TRACE_ME, 0, 0, 0) == -1) {
|
||||||
|
perror("traceme");
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
int rc = execvp(child_argv.first(), const_cast<char**>(child_argv.data()));
|
||||||
|
if (rc < 0) {
|
||||||
|
perror("execvp");
|
||||||
|
exit(1);
|
||||||
|
}
|
||||||
|
VERIFY_NOT_REACHED();
|
||||||
|
}
|
||||||
|
|
||||||
|
g_pid = pid;
|
||||||
|
if (waitpid(pid, &status, WSTOPPED | WEXITED) != pid || !WIFSTOPPED(status)) {
|
||||||
|
perror("waitpid");
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
struct sigaction sa;
|
||||||
|
memset(&sa, 0, sizeof(struct sigaction));
|
||||||
|
sa.sa_handler = handle_sigint;
|
||||||
|
sigaction(SIGINT, &sa, nullptr);
|
||||||
|
|
||||||
|
if (ptrace(PT_ATTACH, g_pid, 0, 0) == -1) {
|
||||||
|
perror("attach");
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
if (waitpid(g_pid, &status, WSTOPPED | WEXITED) != g_pid || !WIFSTOPPED(status)) {
|
||||||
|
perror("waitpid");
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
for (;;) {
|
||||||
|
if (ptrace(PT_SYSCALL, g_pid, 0, 0) == -1) {
|
||||||
|
perror("syscall");
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
if (waitpid(g_pid, &status, WSTOPPED | WEXITED) != g_pid || !WIFSTOPPED(status)) {
|
||||||
|
perror("wait_pid");
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
PtraceRegisters regs = {};
|
||||||
|
if (ptrace(PT_GETREGS, g_pid, ®s, 0) == -1) {
|
||||||
|
perror("getregs");
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
u32 syscall_index = regs.eax;
|
||||||
|
u32 arg1 = regs.edx;
|
||||||
|
u32 arg2 = regs.ecx;
|
||||||
|
u32 arg3 = regs.ebx;
|
||||||
|
|
||||||
|
if (ptrace(PT_SYSCALL, g_pid, 0, 0) == -1) {
|
||||||
|
perror("syscall");
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
if (waitpid(g_pid, &status, WSTOPPED | WEXITED) != g_pid || !WIFSTOPPED(status)) {
|
||||||
|
perror("wait_pid");
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (ptrace(PT_GETREGS, g_pid, ®s, 0) == -1) {
|
||||||
|
perror("getregs");
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
u32 res = regs.eax;
|
||||||
|
|
||||||
|
auto string = String::formatted("{}({:#08x}, {:#08x}, {:#08x})\t={}\n",
|
||||||
|
Syscall::to_string((Syscall::Function)syscall_index),
|
||||||
|
arg1,
|
||||||
|
arg2,
|
||||||
|
arg3,
|
||||||
|
res);
|
||||||
|
|
||||||
|
if (!trace_file->write(string)) {
|
||||||
|
warnln("write: {}", trace_file->error_string());
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
41
Userland/Libraries/LibCpp/Tests/struct.ast
Normal file
41
Userland/Libraries/LibCpp/Tests/struct.ast
Normal file
|
|
@ -0,0 +1,41 @@
|
||||||
|
TranslationUnit[1:0->12:0]
|
||||||
|
StructOrClassDeclaration[1:0->7:0]
|
||||||
|
MyStruct
|
||||||
|
MemberDeclaration[3:4->4:4]
|
||||||
|
Type[3:4->3:8]
|
||||||
|
int
|
||||||
|
x
|
||||||
|
MemberDeclaration[4:4->5:0]
|
||||||
|
Pointer[4:12->4:14]
|
||||||
|
Type[4:4->4:12]
|
||||||
|
s
|
||||||
|
next
|
||||||
|
FunctionDeclaration[7:0->12:0]
|
||||||
|
Type[7:0->7:4]
|
||||||
|
int
|
||||||
|
foo
|
||||||
|
(
|
||||||
|
)
|
||||||
|
FunctionDefinition[8:0->12:0]
|
||||||
|
{
|
||||||
|
VariableDeclaration[9:4->9:14]
|
||||||
|
Type[9:4->9:13]
|
||||||
|
MyStruct
|
||||||
|
s
|
||||||
|
FunctionCall[10:4->10:23]
|
||||||
|
Name[10:4->10:10]
|
||||||
|
printf
|
||||||
|
StringLiteral[10:11->10:16]
|
||||||
|
"%d\n"
|
||||||
|
MemberExpression[10:19->10:22]
|
||||||
|
Name[10:19->10:20]
|
||||||
|
s
|
||||||
|
Identifier[10:21->10:21]
|
||||||
|
x
|
||||||
|
ReturnStatement[11:4->11:14]
|
||||||
|
MemberExpression[11:11->11:14]
|
||||||
|
Name[11:11->11:12]
|
||||||
|
s
|
||||||
|
Identifier[11:13->11:13]
|
||||||
|
x
|
||||||
|
}
|
||||||
13
Userland/Libraries/LibCpp/Tests/struct.cpp
Normal file
13
Userland/Libraries/LibCpp/Tests/struct.cpp
Normal file
|
|
@ -0,0 +1,13 @@
|
||||||
|
|
||||||
|
struct MyStruct
|
||||||
|
{
|
||||||
|
int x;
|
||||||
|
struct s* next;
|
||||||
|
};
|
||||||
|
|
||||||
|
int foo()
|
||||||
|
{
|
||||||
|
MyStruct s;
|
||||||
|
printf("%d\n", s.x);
|
||||||
|
return s.x;
|
||||||
|
}
|
||||||
Loading…
Add table
Add a link
Reference in a new issue