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