crashpad/util/posix/symbolic_constants_posix.cc

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// Copyright 2014 The Crashpad Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "util/posix/symbolic_constants_posix.h"
#include <signal.h>
#include <string.h>
#include <sys/types.h>
#include <iterator>
#include "base/strings/stringprintf.h"
#include "build/build_config.h"
#include "util/misc/implicit_cast.h"
#include "util/stdlib/string_number_conversion.h"
namespace {
constexpr const char* kSignalNames[] = {
nullptr,
Use BUILDFLAG for OS checking Use BUILDFLAG(IS_*) instead of defined(OS_*). This was generated mostly mechnically by performing the following steps: - sed -i '' -E -e 's/defined\(OS_/BUILDFLAG(IS_/g' \ -e 's%([ !])OS_([A-Z]+)%\1BUILDFLAG(IS_\2)%g' \ $(git grep -l 'OS_' '**/*.c' '**/*.cc' '**/*.h' '**/*.m' '**/*.mm') - sed -i '' -e 's/#ifdef BUILDFLAG(/#if BUILDFLAG(/' \ $(git grep -l '#ifdef BUILDFLAG(' '**/*.c' '**/*.cc' '**/*.h' '**/*.m' '**/*.mm') - gsed -i -z -E -e \ 's%(.*)#include "%\1#include "build/buildflag.h"\n#include "%' \ $(git grep -l 'BUILDFLAG(IS_' '**/*.c' '**/*.cc' '**/*.h' '**/*.m' '**/*.mm') - Spot checks to move #include "build/buildflag.h" to the correct parts of files. - sed -i '' -E -e \ 's%^(#include "build/buildflag.h")$%#include "build/build_config.h"\n\1%' \ $(grep -L '^#include "build/build_config.h"$' $(git grep -l 'BUILDFLAG(IS_' '**/*.c' '**/*.cc' '**/*.h' '**/*.m' '**/*.mm')) - Add “clang-format off” around tool usage messages. - git cl format - Update mini_chromium to 85ba51f98278 (intermediate step). TESTING ONLY). - for f in $(git grep -l '^#include "build/buildflag.h"$' '**/*.c' '**/*.cc' '**/*.h' '**/*.m' '**/*.mm'); do \ grep -v '^#include "build/buildflag.h"$' "${f}" > /tmp/z; \ cp /tmp/z "${f}"; done - git cl format - Update mini_chromium to 735143774c5f (intermediate step). - Update mini_chromium to f41420eb45fa (as checked in). - Update mini_chromium to 6e2f204b4ae1 (as checked in). For ease of review and inspection, each of these steps is uploaded as a new patch set in a review series. This includes an update of mini_chromium to 6e2f204b4ae1: f41420eb45fa Use BUILDFLAG for OS checking 6e2f204b4ae1 Include what you use: string_util.h uses build_config.h Bug: chromium:1234043 Change-Id: Ieef86186f094c64e59b853729737e36982f8cf69 Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3400258 Reviewed-by: Joshua Peraza <jperaza@chromium.org> Commit-Queue: Mark Mentovai <mark@chromium.org>
2022-01-19 15:00:24 -05:00
#if BUILDFLAG(IS_APPLE)
// sed -Ene
// 's/^#define[[:space:]]SIG([[:alnum:]]+)[[:space:]]+[[:digit:]]{1,2}([[:space:]]|$).*/
// "\1",/p'
// /usr/include/sys/signal.h
// and fix up by removing the entry for SIGPOLL.
"HUP",
"INT",
"QUIT",
"ILL",
"TRAP",
"ABRT",
"EMT",
"FPE",
"KILL",
"BUS",
"SEGV",
"SYS",
"PIPE",
"ALRM",
"TERM",
"URG",
"STOP",
"TSTP",
"CONT",
"CHLD",
"TTIN",
"TTOU",
"IO",
"XCPU",
"XFSZ",
"VTALRM",
"PROF",
"WINCH",
"INFO",
"USR1",
"USR2",
Use BUILDFLAG for OS checking Use BUILDFLAG(IS_*) instead of defined(OS_*). This was generated mostly mechnically by performing the following steps: - sed -i '' -E -e 's/defined\(OS_/BUILDFLAG(IS_/g' \ -e 's%([ !])OS_([A-Z]+)%\1BUILDFLAG(IS_\2)%g' \ $(git grep -l 'OS_' '**/*.c' '**/*.cc' '**/*.h' '**/*.m' '**/*.mm') - sed -i '' -e 's/#ifdef BUILDFLAG(/#if BUILDFLAG(/' \ $(git grep -l '#ifdef BUILDFLAG(' '**/*.c' '**/*.cc' '**/*.h' '**/*.m' '**/*.mm') - gsed -i -z -E -e \ 's%(.*)#include "%\1#include "build/buildflag.h"\n#include "%' \ $(git grep -l 'BUILDFLAG(IS_' '**/*.c' '**/*.cc' '**/*.h' '**/*.m' '**/*.mm') - Spot checks to move #include "build/buildflag.h" to the correct parts of files. - sed -i '' -E -e \ 's%^(#include "build/buildflag.h")$%#include "build/build_config.h"\n\1%' \ $(grep -L '^#include "build/build_config.h"$' $(git grep -l 'BUILDFLAG(IS_' '**/*.c' '**/*.cc' '**/*.h' '**/*.m' '**/*.mm')) - Add “clang-format off” around tool usage messages. - git cl format - Update mini_chromium to 85ba51f98278 (intermediate step). TESTING ONLY). - for f in $(git grep -l '^#include "build/buildflag.h"$' '**/*.c' '**/*.cc' '**/*.h' '**/*.m' '**/*.mm'); do \ grep -v '^#include "build/buildflag.h"$' "${f}" > /tmp/z; \ cp /tmp/z "${f}"; done - git cl format - Update mini_chromium to 735143774c5f (intermediate step). - Update mini_chromium to f41420eb45fa (as checked in). - Update mini_chromium to 6e2f204b4ae1 (as checked in). For ease of review and inspection, each of these steps is uploaded as a new patch set in a review series. This includes an update of mini_chromium to 6e2f204b4ae1: f41420eb45fa Use BUILDFLAG for OS checking 6e2f204b4ae1 Include what you use: string_util.h uses build_config.h Bug: chromium:1234043 Change-Id: Ieef86186f094c64e59b853729737e36982f8cf69 Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3400258 Reviewed-by: Joshua Peraza <jperaza@chromium.org> Commit-Queue: Mark Mentovai <mark@chromium.org>
2022-01-19 15:00:24 -05:00
#elif BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_ANDROID)
#if defined(ARCH_CPU_MIPS_FAMILY)
"HUP",
"INT",
"QUIT",
"ILL",
"TRAP",
"ABRT",
"EMT",
"FPE",
"KILL",
"BUS",
"SEGV",
"SYS",
"PIPE",
"ALRM",
"TERM",
"USR1",
"USR2",
"CHLD",
"PWR",
"WINCH",
"URG",
"IO",
"STOP",
"TSTP",
"CONT",
"TTIN",
"TTOU",
"VTALRM",
"PROF",
"XCPU",
"XFSZ",
#else
// sed -Ene 's/^#define[[:space:]]SIG([[:alnum:]]+)[[:space:]]+[[:digit:]]{1,2}([[:space:]]|$).*/ "\1",/p'
// /usr/include/asm-generic/signal.h
// and fix up by removing SIGIOT, SIGLOST, SIGUNUSED, and SIGRTMIN.
"HUP",
"INT",
"QUIT",
"ILL",
"TRAP",
"ABRT",
"BUS",
"FPE",
"KILL",
"USR1",
"SEGV",
"USR2",
"PIPE",
"ALRM",
"TERM",
"STKFLT",
"CHLD",
"CONT",
"STOP",
"TSTP",
"TTIN",
"TTOU",
"URG",
"XCPU",
"XFSZ",
"VTALRM",
"PROF",
"WINCH",
"IO",
"PWR",
"SYS",
#endif // defined(ARCH_CPU_MIPS_FAMILY)
#endif
};
Use BUILDFLAG for OS checking Use BUILDFLAG(IS_*) instead of defined(OS_*). This was generated mostly mechnically by performing the following steps: - sed -i '' -E -e 's/defined\(OS_/BUILDFLAG(IS_/g' \ -e 's%([ !])OS_([A-Z]+)%\1BUILDFLAG(IS_\2)%g' \ $(git grep -l 'OS_' '**/*.c' '**/*.cc' '**/*.h' '**/*.m' '**/*.mm') - sed -i '' -e 's/#ifdef BUILDFLAG(/#if BUILDFLAG(/' \ $(git grep -l '#ifdef BUILDFLAG(' '**/*.c' '**/*.cc' '**/*.h' '**/*.m' '**/*.mm') - gsed -i -z -E -e \ 's%(.*)#include "%\1#include "build/buildflag.h"\n#include "%' \ $(git grep -l 'BUILDFLAG(IS_' '**/*.c' '**/*.cc' '**/*.h' '**/*.m' '**/*.mm') - Spot checks to move #include "build/buildflag.h" to the correct parts of files. - sed -i '' -E -e \ 's%^(#include "build/buildflag.h")$%#include "build/build_config.h"\n\1%' \ $(grep -L '^#include "build/build_config.h"$' $(git grep -l 'BUILDFLAG(IS_' '**/*.c' '**/*.cc' '**/*.h' '**/*.m' '**/*.mm')) - Add “clang-format off” around tool usage messages. - git cl format - Update mini_chromium to 85ba51f98278 (intermediate step). TESTING ONLY). - for f in $(git grep -l '^#include "build/buildflag.h"$' '**/*.c' '**/*.cc' '**/*.h' '**/*.m' '**/*.mm'); do \ grep -v '^#include "build/buildflag.h"$' "${f}" > /tmp/z; \ cp /tmp/z "${f}"; done - git cl format - Update mini_chromium to 735143774c5f (intermediate step). - Update mini_chromium to f41420eb45fa (as checked in). - Update mini_chromium to 6e2f204b4ae1 (as checked in). For ease of review and inspection, each of these steps is uploaded as a new patch set in a review series. This includes an update of mini_chromium to 6e2f204b4ae1: f41420eb45fa Use BUILDFLAG for OS checking 6e2f204b4ae1 Include what you use: string_util.h uses build_config.h Bug: chromium:1234043 Change-Id: Ieef86186f094c64e59b853729737e36982f8cf69 Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3400258 Reviewed-by: Joshua Peraza <jperaza@chromium.org> Commit-Queue: Mark Mentovai <mark@chromium.org>
2022-01-19 15:00:24 -05:00
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_ANDROID)
// NSIG is 64 to account for real-time signals.
static_assert(std::size(kSignalNames) == 32, "kSignalNames length");
#else
static_assert(std::size(kSignalNames) == NSIG, "kSignalNames length");
#endif
constexpr char kSigPrefix[] = "SIG";
} // namespace
namespace crashpad {
std::string SignalToString(int signal,
SymbolicConstantToStringOptions options) {
const char* signal_name =
implicit_cast<size_t>(signal) < std::size(kSignalNames)
? kSignalNames[signal]
: nullptr;
if (!signal_name) {
if (options & kUnknownIsNumeric) {
return base::StringPrintf("%d", signal);
}
return std::string();
}
if (options & kUseShortName) {
return std::string(signal_name);
}
return base::StringPrintf("%s%s", kSigPrefix, signal_name);
}
bool StringToSignal(const base::StringPiece& string,
StringToSymbolicConstantOptions options,
int* signal) {
if ((options & kAllowFullName) || (options & kAllowShortName)) {
bool can_match_full =
(options & kAllowFullName) &&
string.substr(0, strlen(kSigPrefix)).compare(kSigPrefix) == 0;
base::StringPiece short_string =
can_match_full ? string.substr(strlen(kSigPrefix)) : string;
for (int index = 0; index < implicit_cast<int>(std::size(kSignalNames));
++index) {
const char* signal_name = kSignalNames[index];
if (!signal_name) {
continue;
}
if (can_match_full && short_string.compare(signal_name) == 0) {
*signal = index;
return true;
}
if ((options & kAllowShortName) && string.compare(signal_name) == 0) {
*signal = index;
return true;
}
}
}
if (options & kAllowNumber) {
return StringToNumber(std::string(string.data(), string.length()), signal);
}
return false;
}
} // namespace crashpad