gcc/libsanitizer/sanitizer_common/sanitizer_file.h

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ubsan.c (ubsan_expand_null_ifn): Use _v1 suffixed type mismatch builtins... * ubsan.c (ubsan_expand_null_ifn): Use _v1 suffixed type mismatch builtins, store max (log2 (align), 0) into uchar field instead of align into uptr field. (ubsan_expand_objsize_ifn): Use _v1 suffixed type mismatch builtins, store uchar 0 field instead of uptr 0 field. (instrument_nonnull_return): Use _v1 suffixed nonnull return builtin, instead of passing one address of struct with 2 locations pass two addresses of structs with 1 location each. * sanitizer.def (BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH, BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH_ABORT, BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN, BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN_ABORT): Removed. (BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH_V1, BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH_V1_ABORT, BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN_V1, BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN_V1_ABORT): New builtins. * c-c++-common/ubsan/float-cast-overflow-1.c: Drop value keyword from expected output regexps. * c-c++-common/ubsan/float-cast-overflow-2.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-3.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-4.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-5.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-6.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-8.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-9.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-10.c: Likewise. * g++.dg/ubsan/float-cast-overflow-bf.C: Likewise. * gcc.dg/ubsan/float-cast-overflow-bf.c: Likewise. * g++.dg/asan/default-options-1.C (__asan_default_options): Add used attribute. * g++.dg/asan/asan_test.C: Run with ASAN_OPTIONS=handle_segv=2 in the environment. * All source files: Merge from upstream 315899. * asan/Makefile.am (nodist_saninclude_HEADERS): Add include/sanitizer/tsan_interface.h. * asan/libtool-version: Bump the libasan SONAME. * lsan/Makefile.am (sanitizer_lsan_files): Add lsan_common_mac.cc. (lsan_files): Add lsan_linux.cc, lsan_mac.cc and lsan_malloc_mac.cc. * sanitizer_common/Makefile.am (sanitizer_common_files): Add sancov_flags.cc, sanitizer_allocator_checks.cc, sanitizer_coverage_libcdep_new.cc, sanitizer_errno.cc, sanitizer_file.cc, sanitizer_mac_libcdep.cc and sanitizer_stoptheworld_mac.cc. Remove sanitizer_coverage_libcdep.cc and sanitizer_coverage_mapping_libcdep.cc. * tsan/Makefile.am (tsan_files): Add tsan_external.cc. * ubsan/Makefile.am (DEFS): Add -DUBSAN_CAN_USE_CXXABI=1. (ubsan_files): Add ubsan_init_standalone.cc and ubsan_signals_standalone.cc. * ubsan/libtool-version: Bump the libubsan SONAME. * asan/Makefile.in: Regenerate. * lsan/Makefile.in: Regenerate. * sanitizer_common/Makefile.in: Regenerate. * tsan/Makefile.in: Regenerate. * ubsan/Makefile.in: Regenerate. From-SVN: r253887
2017-10-19 13:23:59 +02:00
//===-- sanitizer_file.h ---------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
ubsan.c (ubsan_expand_null_ifn): Use _v1 suffixed type mismatch builtins... * ubsan.c (ubsan_expand_null_ifn): Use _v1 suffixed type mismatch builtins, store max (log2 (align), 0) into uchar field instead of align into uptr field. (ubsan_expand_objsize_ifn): Use _v1 suffixed type mismatch builtins, store uchar 0 field instead of uptr 0 field. (instrument_nonnull_return): Use _v1 suffixed nonnull return builtin, instead of passing one address of struct with 2 locations pass two addresses of structs with 1 location each. * sanitizer.def (BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH, BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH_ABORT, BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN, BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN_ABORT): Removed. (BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH_V1, BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH_V1_ABORT, BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN_V1, BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN_V1_ABORT): New builtins. * c-c++-common/ubsan/float-cast-overflow-1.c: Drop value keyword from expected output regexps. * c-c++-common/ubsan/float-cast-overflow-2.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-3.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-4.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-5.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-6.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-8.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-9.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-10.c: Likewise. * g++.dg/ubsan/float-cast-overflow-bf.C: Likewise. * gcc.dg/ubsan/float-cast-overflow-bf.c: Likewise. * g++.dg/asan/default-options-1.C (__asan_default_options): Add used attribute. * g++.dg/asan/asan_test.C: Run with ASAN_OPTIONS=handle_segv=2 in the environment. * All source files: Merge from upstream 315899. * asan/Makefile.am (nodist_saninclude_HEADERS): Add include/sanitizer/tsan_interface.h. * asan/libtool-version: Bump the libasan SONAME. * lsan/Makefile.am (sanitizer_lsan_files): Add lsan_common_mac.cc. (lsan_files): Add lsan_linux.cc, lsan_mac.cc and lsan_malloc_mac.cc. * sanitizer_common/Makefile.am (sanitizer_common_files): Add sancov_flags.cc, sanitizer_allocator_checks.cc, sanitizer_coverage_libcdep_new.cc, sanitizer_errno.cc, sanitizer_file.cc, sanitizer_mac_libcdep.cc and sanitizer_stoptheworld_mac.cc. Remove sanitizer_coverage_libcdep.cc and sanitizer_coverage_mapping_libcdep.cc. * tsan/Makefile.am (tsan_files): Add tsan_external.cc. * ubsan/Makefile.am (DEFS): Add -DUBSAN_CAN_USE_CXXABI=1. (ubsan_files): Add ubsan_init_standalone.cc and ubsan_signals_standalone.cc. * ubsan/libtool-version: Bump the libubsan SONAME. * asan/Makefile.in: Regenerate. * lsan/Makefile.in: Regenerate. * sanitizer_common/Makefile.in: Regenerate. * tsan/Makefile.in: Regenerate. * ubsan/Makefile.in: Regenerate. From-SVN: r253887
2017-10-19 13:23:59 +02:00
//
//===---------------------------------------------------------------------===//
//
// This file is shared between run-time libraries of sanitizers.
// It declares filesystem-related interfaces. This is separate from
// sanitizer_common.h so that it's simpler to disable all the filesystem
// support code for a port that doesn't use it.
//
//===---------------------------------------------------------------------===//
#ifndef SANITIZER_FILE_H
#define SANITIZER_FILE_H
#include "sanitizer_interface_internal.h"
#include "sanitizer_internal_defs.h"
#include "sanitizer_libc.h"
#include "sanitizer_mutex.h"
namespace __sanitizer {
struct ReportFile {
void Write(const char *buffer, uptr length);
bool SupportsColors();
void SetReportPath(const char *path);
const char *GetReportPath();
ubsan.c (ubsan_expand_null_ifn): Use _v1 suffixed type mismatch builtins... * ubsan.c (ubsan_expand_null_ifn): Use _v1 suffixed type mismatch builtins, store max (log2 (align), 0) into uchar field instead of align into uptr field. (ubsan_expand_objsize_ifn): Use _v1 suffixed type mismatch builtins, store uchar 0 field instead of uptr 0 field. (instrument_nonnull_return): Use _v1 suffixed nonnull return builtin, instead of passing one address of struct with 2 locations pass two addresses of structs with 1 location each. * sanitizer.def (BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH, BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH_ABORT, BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN, BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN_ABORT): Removed. (BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH_V1, BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH_V1_ABORT, BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN_V1, BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN_V1_ABORT): New builtins. * c-c++-common/ubsan/float-cast-overflow-1.c: Drop value keyword from expected output regexps. * c-c++-common/ubsan/float-cast-overflow-2.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-3.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-4.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-5.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-6.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-8.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-9.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-10.c: Likewise. * g++.dg/ubsan/float-cast-overflow-bf.C: Likewise. * gcc.dg/ubsan/float-cast-overflow-bf.c: Likewise. * g++.dg/asan/default-options-1.C (__asan_default_options): Add used attribute. * g++.dg/asan/asan_test.C: Run with ASAN_OPTIONS=handle_segv=2 in the environment. * All source files: Merge from upstream 315899. * asan/Makefile.am (nodist_saninclude_HEADERS): Add include/sanitizer/tsan_interface.h. * asan/libtool-version: Bump the libasan SONAME. * lsan/Makefile.am (sanitizer_lsan_files): Add lsan_common_mac.cc. (lsan_files): Add lsan_linux.cc, lsan_mac.cc and lsan_malloc_mac.cc. * sanitizer_common/Makefile.am (sanitizer_common_files): Add sancov_flags.cc, sanitizer_allocator_checks.cc, sanitizer_coverage_libcdep_new.cc, sanitizer_errno.cc, sanitizer_file.cc, sanitizer_mac_libcdep.cc and sanitizer_stoptheworld_mac.cc. Remove sanitizer_coverage_libcdep.cc and sanitizer_coverage_mapping_libcdep.cc. * tsan/Makefile.am (tsan_files): Add tsan_external.cc. * ubsan/Makefile.am (DEFS): Add -DUBSAN_CAN_USE_CXXABI=1. (ubsan_files): Add ubsan_init_standalone.cc and ubsan_signals_standalone.cc. * ubsan/libtool-version: Bump the libubsan SONAME. * asan/Makefile.in: Regenerate. * lsan/Makefile.in: Regenerate. * sanitizer_common/Makefile.in: Regenerate. * tsan/Makefile.in: Regenerate. * ubsan/Makefile.in: Regenerate. From-SVN: r253887
2017-10-19 13:23:59 +02:00
// Don't use fields directly. They are only declared public to allow
// aggregate initialization.
// Protects fields below.
StaticSpinMutex *mu;
// Opened file descriptor. Defaults to stderr. It may be equal to
// kInvalidFd, in which case new file will be opened when necessary.
fd_t fd;
// Path prefix of report file, set via __sanitizer_set_report_path.
char path_prefix[kMaxPathLength];
// Full path to report, obtained as <path_prefix>.PID
char full_path[kMaxPathLength];
// PID of the process that opened fd. If a fork() occurs,
// the PID of child will be different from fd_pid.
uptr fd_pid;
private:
void ReopenIfNecessary();
};
extern ReportFile report_file;
enum FileAccessMode {
RdOnly,
WrOnly,
RdWr
};
// Returns kInvalidFd on error.
fd_t OpenFile(const char *filename, FileAccessMode mode,
error_t *errno_p = nullptr);
void CloseFile(fd_t);
// Return true on success, false on error.
bool ReadFromFile(fd_t fd, void *buff, uptr buff_size,
uptr *bytes_read = nullptr, error_t *error_p = nullptr);
bool WriteToFile(fd_t fd, const void *buff, uptr buff_size,
uptr *bytes_written = nullptr, error_t *error_p = nullptr);
// Scoped file handle closer.
struct FileCloser {
explicit FileCloser(fd_t fd) : fd(fd) {}
~FileCloser() { CloseFile(fd); }
fd_t fd;
};
bool SupportsColoredOutput(fd_t fd);
// OS
const char *GetPwd();
bool FileExists(const char *filename);
char *FindPathToBinary(const char *name);
bool IsPathSeparator(const char c);
bool IsAbsolutePath(const char *path);
// Returns true on success, false on failure.
bool CreateDir(const char *pathname);
ubsan.c (ubsan_expand_null_ifn): Use _v1 suffixed type mismatch builtins... * ubsan.c (ubsan_expand_null_ifn): Use _v1 suffixed type mismatch builtins, store max (log2 (align), 0) into uchar field instead of align into uptr field. (ubsan_expand_objsize_ifn): Use _v1 suffixed type mismatch builtins, store uchar 0 field instead of uptr 0 field. (instrument_nonnull_return): Use _v1 suffixed nonnull return builtin, instead of passing one address of struct with 2 locations pass two addresses of structs with 1 location each. * sanitizer.def (BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH, BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH_ABORT, BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN, BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN_ABORT): Removed. (BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH_V1, BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH_V1_ABORT, BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN_V1, BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN_V1_ABORT): New builtins. * c-c++-common/ubsan/float-cast-overflow-1.c: Drop value keyword from expected output regexps. * c-c++-common/ubsan/float-cast-overflow-2.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-3.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-4.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-5.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-6.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-8.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-9.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-10.c: Likewise. * g++.dg/ubsan/float-cast-overflow-bf.C: Likewise. * gcc.dg/ubsan/float-cast-overflow-bf.c: Likewise. * g++.dg/asan/default-options-1.C (__asan_default_options): Add used attribute. * g++.dg/asan/asan_test.C: Run with ASAN_OPTIONS=handle_segv=2 in the environment. * All source files: Merge from upstream 315899. * asan/Makefile.am (nodist_saninclude_HEADERS): Add include/sanitizer/tsan_interface.h. * asan/libtool-version: Bump the libasan SONAME. * lsan/Makefile.am (sanitizer_lsan_files): Add lsan_common_mac.cc. (lsan_files): Add lsan_linux.cc, lsan_mac.cc and lsan_malloc_mac.cc. * sanitizer_common/Makefile.am (sanitizer_common_files): Add sancov_flags.cc, sanitizer_allocator_checks.cc, sanitizer_coverage_libcdep_new.cc, sanitizer_errno.cc, sanitizer_file.cc, sanitizer_mac_libcdep.cc and sanitizer_stoptheworld_mac.cc. Remove sanitizer_coverage_libcdep.cc and sanitizer_coverage_mapping_libcdep.cc. * tsan/Makefile.am (tsan_files): Add tsan_external.cc. * ubsan/Makefile.am (DEFS): Add -DUBSAN_CAN_USE_CXXABI=1. (ubsan_files): Add ubsan_init_standalone.cc and ubsan_signals_standalone.cc. * ubsan/libtool-version: Bump the libubsan SONAME. * asan/Makefile.in: Regenerate. * lsan/Makefile.in: Regenerate. * sanitizer_common/Makefile.in: Regenerate. * tsan/Makefile.in: Regenerate. * ubsan/Makefile.in: Regenerate. From-SVN: r253887
2017-10-19 13:23:59 +02:00
// Starts a subprocess and returs its pid.
// If *_fd parameters are not kInvalidFd their corresponding input/output
// streams will be redirect to the file. The files will always be closed
// in parent process even in case of an error.
// The child process will close all fds after STDERR_FILENO
// before passing control to a program.
pid_t StartSubprocess(const char *filename, const char *const argv[],
const char *const envp[], fd_t stdin_fd = kInvalidFd,
fd_t stdout_fd = kInvalidFd, fd_t stderr_fd = kInvalidFd);
ubsan.c (ubsan_expand_null_ifn): Use _v1 suffixed type mismatch builtins... * ubsan.c (ubsan_expand_null_ifn): Use _v1 suffixed type mismatch builtins, store max (log2 (align), 0) into uchar field instead of align into uptr field. (ubsan_expand_objsize_ifn): Use _v1 suffixed type mismatch builtins, store uchar 0 field instead of uptr 0 field. (instrument_nonnull_return): Use _v1 suffixed nonnull return builtin, instead of passing one address of struct with 2 locations pass two addresses of structs with 1 location each. * sanitizer.def (BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH, BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH_ABORT, BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN, BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN_ABORT): Removed. (BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH_V1, BUILT_IN_UBSAN_HANDLE_TYPE_MISMATCH_V1_ABORT, BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN_V1, BUILT_IN_UBSAN_HANDLE_NONNULL_RETURN_V1_ABORT): New builtins. * c-c++-common/ubsan/float-cast-overflow-1.c: Drop value keyword from expected output regexps. * c-c++-common/ubsan/float-cast-overflow-2.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-3.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-4.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-5.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-6.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-8.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-9.c: Likewise. * c-c++-common/ubsan/float-cast-overflow-10.c: Likewise. * g++.dg/ubsan/float-cast-overflow-bf.C: Likewise. * gcc.dg/ubsan/float-cast-overflow-bf.c: Likewise. * g++.dg/asan/default-options-1.C (__asan_default_options): Add used attribute. * g++.dg/asan/asan_test.C: Run with ASAN_OPTIONS=handle_segv=2 in the environment. * All source files: Merge from upstream 315899. * asan/Makefile.am (nodist_saninclude_HEADERS): Add include/sanitizer/tsan_interface.h. * asan/libtool-version: Bump the libasan SONAME. * lsan/Makefile.am (sanitizer_lsan_files): Add lsan_common_mac.cc. (lsan_files): Add lsan_linux.cc, lsan_mac.cc and lsan_malloc_mac.cc. * sanitizer_common/Makefile.am (sanitizer_common_files): Add sancov_flags.cc, sanitizer_allocator_checks.cc, sanitizer_coverage_libcdep_new.cc, sanitizer_errno.cc, sanitizer_file.cc, sanitizer_mac_libcdep.cc and sanitizer_stoptheworld_mac.cc. Remove sanitizer_coverage_libcdep.cc and sanitizer_coverage_mapping_libcdep.cc. * tsan/Makefile.am (tsan_files): Add tsan_external.cc. * ubsan/Makefile.am (DEFS): Add -DUBSAN_CAN_USE_CXXABI=1. (ubsan_files): Add ubsan_init_standalone.cc and ubsan_signals_standalone.cc. * ubsan/libtool-version: Bump the libubsan SONAME. * asan/Makefile.in: Regenerate. * lsan/Makefile.in: Regenerate. * sanitizer_common/Makefile.in: Regenerate. * tsan/Makefile.in: Regenerate. * ubsan/Makefile.in: Regenerate. From-SVN: r253887
2017-10-19 13:23:59 +02:00
// Checks if specified process is still running
bool IsProcessRunning(pid_t pid);
// Waits for the process to finish and returns its exit code.
// Returns -1 in case of an error.
int WaitForProcess(pid_t pid);
// Maps given file to virtual memory, and returns pointer to it
// (or NULL if mapping fails). Stores the size of mmaped region
// in '*buff_size'.
void *MapFileToMemory(const char *file_name, uptr *buff_size);
void *MapWritableFileToMemory(void *addr, uptr size, fd_t fd, OFF_T offset);
} // namespace __sanitizer
#endif // SANITIZER_FILE_H