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-rw-r--r--lib/asan/asan_flags.cc215
1 files changed, 0 insertions, 215 deletions
diff --git a/lib/asan/asan_flags.cc b/lib/asan/asan_flags.cc
deleted file mode 100644
index 5682ab4eb4769..0000000000000
--- a/lib/asan/asan_flags.cc
+++ /dev/null
@@ -1,215 +0,0 @@
-//===-- asan_flags.cc -------------------------------------------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file is a part of AddressSanitizer, an address sanity checker.
-//
-// ASan flag parsing logic.
-//===----------------------------------------------------------------------===//
-
-#include "asan_activation.h"
-#include "asan_flags.h"
-#include "asan_interface_internal.h"
-#include "asan_stack.h"
-#include "lsan/lsan_common.h"
-#include "sanitizer_common/sanitizer_common.h"
-#include "sanitizer_common/sanitizer_flags.h"
-#include "sanitizer_common/sanitizer_flag_parser.h"
-#include "ubsan/ubsan_flags.h"
-#include "ubsan/ubsan_platform.h"
-
-namespace __asan {
-
-Flags asan_flags_dont_use_directly; // use via flags().
-
-static const char *MaybeCallAsanDefaultOptions() {
- return (&__asan_default_options) ? __asan_default_options() : "";
-}
-
-static const char *MaybeUseAsanDefaultOptionsCompileDefinition() {
-#ifdef ASAN_DEFAULT_OPTIONS
- return SANITIZER_STRINGIFY(ASAN_DEFAULT_OPTIONS);
-#else
- return "";
-#endif
-}
-
-void Flags::SetDefaults() {
-#define ASAN_FLAG(Type, Name, DefaultValue, Description) Name = DefaultValue;
-#include "asan_flags.inc"
-#undef ASAN_FLAG
-}
-
-static void RegisterAsanFlags(FlagParser *parser, Flags *f) {
-#define ASAN_FLAG(Type, Name, DefaultValue, Description) \
- RegisterFlag(parser, #Name, Description, &f->Name);
-#include "asan_flags.inc"
-#undef ASAN_FLAG
-}
-
-void InitializeFlags() {
- // Set the default values and prepare for parsing ASan and common flags.
- SetCommonFlagsDefaults();
- {
- CommonFlags cf;
- cf.CopyFrom(*common_flags());
- cf.detect_leaks = cf.detect_leaks && CAN_SANITIZE_LEAKS;
- cf.external_symbolizer_path = GetEnv("ASAN_SYMBOLIZER_PATH");
- cf.malloc_context_size = kDefaultMallocContextSize;
- cf.intercept_tls_get_addr = true;
- cf.exitcode = 1;
- OverrideCommonFlags(cf);
- }
- Flags *f = flags();
- f->SetDefaults();
-
- FlagParser asan_parser;
- RegisterAsanFlags(&asan_parser, f);
- RegisterCommonFlags(&asan_parser);
-
- // Set the default values and prepare for parsing LSan and UBSan flags
- // (which can also overwrite common flags).
-#if CAN_SANITIZE_LEAKS
- __lsan::Flags *lf = __lsan::flags();
- lf->SetDefaults();
-
- FlagParser lsan_parser;
- __lsan::RegisterLsanFlags(&lsan_parser, lf);
- RegisterCommonFlags(&lsan_parser);
-#endif
-
-#if CAN_SANITIZE_UB
- __ubsan::Flags *uf = __ubsan::flags();
- uf->SetDefaults();
-
- FlagParser ubsan_parser;
- __ubsan::RegisterUbsanFlags(&ubsan_parser, uf);
- RegisterCommonFlags(&ubsan_parser);
-#endif
-
- if (SANITIZER_MAC) {
- // Support macOS MallocScribble and MallocPreScribble:
- // <https://developer.apple.com/library/content/documentation/Performance/
- // Conceptual/ManagingMemory/Articles/MallocDebug.html>
- if (GetEnv("MallocScribble")) {
- f->max_free_fill_size = 0x1000;
- }
- if (GetEnv("MallocPreScribble")) {
- f->malloc_fill_byte = 0xaa;
- }
- }
-
- // Override from ASan compile definition.
- const char *asan_compile_def = MaybeUseAsanDefaultOptionsCompileDefinition();
- asan_parser.ParseString(asan_compile_def);
-
- // Override from user-specified string.
- const char *asan_default_options = MaybeCallAsanDefaultOptions();
- asan_parser.ParseString(asan_default_options);
-#if CAN_SANITIZE_UB
- const char *ubsan_default_options = __ubsan::MaybeCallUbsanDefaultOptions();
- ubsan_parser.ParseString(ubsan_default_options);
-#endif
-#if CAN_SANITIZE_LEAKS
- const char *lsan_default_options = __lsan::MaybeCallLsanDefaultOptions();
- lsan_parser.ParseString(lsan_default_options);
-#endif
-
- // Override from command line.
- asan_parser.ParseString(GetEnv("ASAN_OPTIONS"));
-#if CAN_SANITIZE_LEAKS
- lsan_parser.ParseString(GetEnv("LSAN_OPTIONS"));
-#endif
-#if CAN_SANITIZE_UB
- ubsan_parser.ParseString(GetEnv("UBSAN_OPTIONS"));
-#endif
-
- InitializeCommonFlags();
-
- // TODO(eugenis): dump all flags at verbosity>=2?
- if (Verbosity()) ReportUnrecognizedFlags();
-
- if (common_flags()->help) {
- // TODO(samsonov): print all of the flags (ASan, LSan, common).
- asan_parser.PrintFlagDescriptions();
- }
-
- // Flag validation:
- if (!CAN_SANITIZE_LEAKS && common_flags()->detect_leaks) {
- Report("%s: detect_leaks is not supported on this platform.\n",
- SanitizerToolName);
- Die();
- }
- // Ensure that redzone is at least SHADOW_GRANULARITY.
- if (f->redzone < (int)SHADOW_GRANULARITY)
- f->redzone = SHADOW_GRANULARITY;
- // Make "strict_init_order" imply "check_initialization_order".
- // TODO(samsonov): Use a single runtime flag for an init-order checker.
- if (f->strict_init_order) {
- f->check_initialization_order = true;
- }
- CHECK_LE((uptr)common_flags()->malloc_context_size, kStackTraceMax);
- CHECK_LE(f->min_uar_stack_size_log, f->max_uar_stack_size_log);
- CHECK_GE(f->redzone, 16);
- CHECK_GE(f->max_redzone, f->redzone);
- CHECK_LE(f->max_redzone, 2048);
- CHECK(IsPowerOfTwo(f->redzone));
- CHECK(IsPowerOfTwo(f->max_redzone));
- if (SANITIZER_RTEMS) {
- CHECK(!f->unmap_shadow_on_exit);
- CHECK(!f->protect_shadow_gap);
- }
-
- // quarantine_size is deprecated but we still honor it.
- // quarantine_size can not be used together with quarantine_size_mb.
- if (f->quarantine_size >= 0 && f->quarantine_size_mb >= 0) {
- Report("%s: please use either 'quarantine_size' (deprecated) or "
- "quarantine_size_mb, but not both\n", SanitizerToolName);
- Die();
- }
- if (f->quarantine_size >= 0)
- f->quarantine_size_mb = f->quarantine_size >> 20;
- if (f->quarantine_size_mb < 0) {
- const int kDefaultQuarantineSizeMb =
- (ASAN_LOW_MEMORY) ? 1UL << 4 : 1UL << 8;
- f->quarantine_size_mb = kDefaultQuarantineSizeMb;
- }
- if (f->thread_local_quarantine_size_kb < 0) {
- const u32 kDefaultThreadLocalQuarantineSizeKb =
- // It is not advised to go lower than 64Kb, otherwise quarantine batches
- // pushed from thread local quarantine to global one will create too
- // much overhead. One quarantine batch size is 8Kb and it holds up to
- // 1021 chunk, which amounts to 1/8 memory overhead per batch when
- // thread local quarantine is set to 64Kb.
- (ASAN_LOW_MEMORY) ? 1 << 6 : FIRST_32_SECOND_64(1 << 8, 1 << 10);
- f->thread_local_quarantine_size_kb = kDefaultThreadLocalQuarantineSizeKb;
- }
- if (f->thread_local_quarantine_size_kb == 0 && f->quarantine_size_mb > 0) {
- Report("%s: thread_local_quarantine_size_kb can be set to 0 only when "
- "quarantine_size_mb is set to 0\n", SanitizerToolName);
- Die();
- }
- if (!f->replace_str && common_flags()->intercept_strlen) {
- Report("WARNING: strlen interceptor is enabled even though replace_str=0. "
- "Use intercept_strlen=0 to disable it.");
- }
- if (!f->replace_str && common_flags()->intercept_strchr) {
- Report("WARNING: strchr* interceptors are enabled even though "
- "replace_str=0. Use intercept_strchr=0 to disable them.");
- }
- if (!f->replace_str && common_flags()->intercept_strndup) {
- Report("WARNING: strndup* interceptors are enabled even though "
- "replace_str=0. Use intercept_strndup=0 to disable them.");
- }
-}
-
-} // namespace __asan
-
-SANITIZER_INTERFACE_WEAK_DEF(const char*, __asan_default_options, void) {
- return "";
-}
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