From 476c4db3dc56bee43df384704c75ccc71cfa7a1d Mon Sep 17 00:00:00 2001 From: Dimitry Andric Date: Tue, 10 Feb 2015 07:45:43 +0000 Subject: Import compiler-rt trunk r228651. https://llvm.org/svn/llvm-project/compiler-rt/trunk@228651 --- lib/sanitizer_common/sanitizer_flags.inc | 149 +++++++++++++++++++++++++++++++ 1 file changed, 149 insertions(+) create mode 100644 lib/sanitizer_common/sanitizer_flags.inc (limited to 'lib/sanitizer_common/sanitizer_flags.inc') diff --git a/lib/sanitizer_common/sanitizer_flags.inc b/lib/sanitizer_common/sanitizer_flags.inc new file mode 100644 index 000000000000..e8c8a87537d7 --- /dev/null +++ b/lib/sanitizer_common/sanitizer_flags.inc @@ -0,0 +1,149 @@ +//===-- sanitizer_flags.h ---------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file describes common flags available in all sanitizers. +// +//===----------------------------------------------------------------------===// +#ifndef COMMON_FLAG +#error "Define COMMON_FLAG prior to including this file!" +#endif + +// COMMON_FLAG(Type, Name, DefaultValue, Description) +// Supported types: bool, const char *, int, uptr. +// Default value must be a compile-time constant. +// Description must be a string literal. + +COMMON_FLAG( + bool, symbolize, true, + "If set, use the online symbolizer from common sanitizer runtime to turn " + "virtual addresses to file/line locations.") +COMMON_FLAG( + const char *, external_symbolizer_path, 0, + "Path to external symbolizer. If empty, the tool will search $PATH for " + "the symbolizer.") +COMMON_FLAG( + bool, allow_addr2line, false, + "If set, allows online symbolizer to run addr2line binary to symbolize " + "stack traces (addr2line will only be used if llvm-symbolizer binary is " + "unavailable.") +COMMON_FLAG(const char *, strip_path_prefix, "", + "Strips this prefix from file paths in error reports.") +COMMON_FLAG(bool, fast_unwind_on_check, false, + "If available, use the fast frame-pointer-based unwinder on " + "internal CHECK failures.") +COMMON_FLAG(bool, fast_unwind_on_fatal, false, + "If available, use the fast frame-pointer-based unwinder on fatal " + "errors.") +COMMON_FLAG(bool, fast_unwind_on_malloc, true, + "If available, use the fast frame-pointer-based unwinder on " + "malloc/free.") +COMMON_FLAG(bool, handle_ioctl, false, "Intercept and handle ioctl requests.") +COMMON_FLAG(int, malloc_context_size, 1, + "Max number of stack frames kept for each allocation/deallocation.") +COMMON_FLAG( + const char *, log_path, "stderr", + "Write logs to \"log_path.pid\". The special values are \"stdout\" and " + "\"stderr\". The default is \"stderr\".") +COMMON_FLAG( + int, verbosity, 0, + "Verbosity level (0 - silent, 1 - a bit of output, 2+ - more output).") +COMMON_FLAG(bool, detect_leaks, true, "Enable memory leak detection.") +COMMON_FLAG( + bool, leak_check_at_exit, true, + "Invoke leak checking in an atexit handler. Has no effect if " + "detect_leaks=false, or if __lsan_do_leak_check() is called before the " + "handler has a chance to run.") +COMMON_FLAG(bool, allocator_may_return_null, false, + "If false, the allocator will crash instead of returning 0 on " + "out-of-memory.") +COMMON_FLAG(bool, print_summary, true, + "If false, disable printing error summaries in addition to error " + "reports.") +COMMON_FLAG(bool, check_printf, true, "Check printf arguments.") +COMMON_FLAG(bool, handle_segv, SANITIZER_NEEDS_SEGV, + "If set, registers the tool's custom SEGV handler (both SIGBUS and " + "SIGSEGV on OSX).") +COMMON_FLAG(bool, allow_user_segv_handler, false, + "If set, allows user to register a SEGV handler even if the tool " + "registers one.") +COMMON_FLAG(bool, use_sigaltstack, true, + "If set, uses alternate stack for signal handling.") +COMMON_FLAG(bool, detect_deadlocks, false, + "If set, deadlock detection is enabled.") +COMMON_FLAG( + uptr, clear_shadow_mmap_threshold, 64 * 1024, + "Large shadow regions are zero-filled using mmap(NORESERVE) instead of " + "memset(). This is the threshold size in bytes.") +COMMON_FLAG(const char *, color, "auto", + "Colorize reports: (always|never|auto).") +COMMON_FLAG( + bool, legacy_pthread_cond, false, + "Enables support for dynamic libraries linked with libpthread 2.2.5.") +COMMON_FLAG(bool, intercept_tls_get_addr, false, "Intercept __tls_get_addr.") +COMMON_FLAG(bool, help, false, "Print the flag descriptions.") +COMMON_FLAG(uptr, mmap_limit_mb, 0, + "Limit the amount of mmap-ed memory (excluding shadow) in Mb; " + "not a user-facing flag, used mosly for testing the tools") +COMMON_FLAG(uptr, hard_rss_limit_mb, 0, + "Hard RSS limit in Mb." + " If non-zero, a background thread is spawned at startup" + " which periodically reads RSS and aborts the process if the" + " limit is reached") +COMMON_FLAG(uptr, soft_rss_limit_mb, 0, + "Soft RSS limit in Mb." + " If non-zero, a background thread is spawned at startup" + " which periodically reads RSS. If the limit is reached" + " all subsequent malloc/new calls will fail or return NULL" + " (depending on the value of allocator_may_return_null)" + " until the RSS goes below the soft limit." + " This limit does not affect memory allocations other than" + " malloc/new.") +COMMON_FLAG(bool, can_use_proc_maps_statm, true, + "If false, do not attempt to read /proc/maps/statm." + " Mostly useful for testing sanitizers.") +COMMON_FLAG( + bool, coverage, false, + "If set, coverage information will be dumped at program shutdown (if the " + "coverage instrumentation was enabled at compile time).") +// On by default, but works only if coverage == true. +COMMON_FLAG(bool, coverage_pcs, true, + "If set (and if 'coverage' is set too), the coverage information " + "will be dumped as a set of PC offsets for every module.") +COMMON_FLAG(bool, coverage_bitset, false, + "If set (and if 'coverage' is set too), the coverage information " + "will also be dumped as a bitset to a separate file.") +COMMON_FLAG(bool, coverage_direct, SANITIZER_ANDROID, + "If set, coverage information will be dumped directly to a memory " + "mapped file. This way data is not lost even if the process is " + "suddenly killed.") +COMMON_FLAG(const char *, coverage_dir, ".", + "Target directory for coverage dumps. Defaults to the current " + "directory.") +COMMON_FLAG(bool, full_address_space, false, + "Sanitize complete address space; " + "by default kernel area on 32-bit platforms will not be sanitized") +COMMON_FLAG(const char *, suppressions, "", "Suppressions file name.") +COMMON_FLAG(bool, print_suppressions, true, + "Print matched suppressions at exit.") +COMMON_FLAG( + bool, disable_coredump, (SANITIZER_WORDSIZE == 64), + "Disable core dumping. By default, disable_core=1 on 64-bit to avoid " + "dumping a 16T+ core file. Ignored on OSes that don't dump core by" + "default and for sanitizers that don't reserve lots of virtual memory.") +COMMON_FLAG(bool, use_madv_dontdump, true, + "If set, instructs kernel to not store the (huge) shadow " + "in core file.") +COMMON_FLAG(bool, symbolize_inline_frames, true, + "Print inlined frames in stacktraces. Defaults to true.") +COMMON_FLAG(const char *, stack_trace_format, "DEFAULT", + "Format string used to render stack frames. " + "See sanitizer_stacktrace_printer.h for the format description. " + "Use DEFAULT to get default format.") +COMMON_FLAG(bool, no_huge_pages_for_shadow, true, + "If true, the shadow is not allowed to use huge pages. ") -- cgit v1.2.3