From 5b535401665cc6aa96d54a5c9b0901153d97210f Mon Sep 17 00:00:00 2001 From: Abseil Team Date: Wed, 18 Apr 2018 05:56:39 -0700 Subject: - ed0ba496fe01eb8edfa86beade8a37768e7c12ef Updates the API for Exception Safety testing to use build... by Abseil Team - c4b7a4e517c9404932c45f2f9f92eb7dc694e45d Internal change by Abseil Team - 76c78ed9385f65d881511645446e0bb8ababf6ec Add missing ABSL_PREDICT_FALSE to one of FixedArray::at()... by Abseil Team - 1204fb1c46f007dd9dfb7d9abf3e96c58835d193 Internal change. by Greg Falcon - f1f47c98a026bc5e425ae83ff4a2eb391bbd3d9b Add internal-only functionality to examine the stack, to ... by Derek Mauro - 30d63097cd268d912f917526f6511005580465c4 fix typo by Abseil Team - 942d7efa6cf54cd248ca57dcaf3c245188b52a76 Remove unnecessary semicolons from comment examples. by Abseil Team - 7db0669cf23a06d934d3ed8c76aee4e4e23b7e04 Remove malloc_hook and malloc_extension from our internal... by Greg Falcon - 0190f1063d101b1ded355019df2e1d325931f6c7 Make the maximum length of a string view equal difference... by Abseil Team - c8ae37cbce29449b02115a0ebd435ddc3d7ab062 Add namespace qualification. by Shaindel Schwartz - ff70afe2e6e3dd39f51ce9829e3e1f18231bf4d7 Fix internal/direct_mmap.h for non-linux builds. by Greg Falcon GitOrigin-RevId: ed0ba496fe01eb8edfa86beade8a37768e7c12ef Change-Id: I7595ee3480d1d6724fd3797c15ba9d9be0d17e62 --- absl/base/internal/low_level_alloc.cc | 19 +++---------------- 1 file changed, 3 insertions(+), 16 deletions(-) (limited to 'absl/base/internal/low_level_alloc.cc') diff --git a/absl/base/internal/low_level_alloc.cc b/absl/base/internal/low_level_alloc.cc index 5f047a5..0a6f307 100644 --- a/absl/base/internal/low_level_alloc.cc +++ b/absl/base/internal/low_level_alloc.cc @@ -23,6 +23,7 @@ #include "absl/base/call_once.h" #include "absl/base/config.h" +#include "absl/base/internal/direct_mmap.h" #include "absl/base/internal/scheduling_mode.h" #include "absl/base/macros.h" #include "absl/base/thread_annotations.h" @@ -49,8 +50,6 @@ #include // for placement-new #include "absl/base/dynamic_annotations.h" -#include "absl/base/internal/malloc_hook.h" -#include "absl/base/internal/malloc_hook_invoke.h" #include "absl/base/internal/raw_logging.h" #include "absl/base/internal/spinlock.h" @@ -405,7 +404,7 @@ bool LowLevelAlloc::DeleteArena(Arena *arena) { if ((arena->flags & LowLevelAlloc::kAsyncSignalSafe) == 0) { munmap_result = munmap(region, size); } else { - munmap_result = MallocHook::UnhookedMUnmap(region, size); + munmap_result = base_internal::DirectMunmap(region, size); } if (munmap_result != 0) { ABSL_RAW_LOG(FATAL, "LowLevelAlloc::DeleteArena: munmap failed: %d", @@ -503,9 +502,6 @@ void LowLevelAlloc::Free(void *v) { ABSL_RAW_CHECK(f->header.magic == Magic(kMagicAllocated, &f->header), "bad magic number in Free()"); LowLevelAlloc::Arena *arena = f->header.arena; - if ((arena->flags & kCallMallocHook) != 0) { - MallocHook::InvokeDeleteHook(v); - } ArenaLock section(arena); AddToFreelist(v, arena); ABSL_RAW_CHECK(arena->allocation_count > 0, "nothing in arena to free"); @@ -550,7 +546,7 @@ static void *DoAllocWithArena(size_t request, LowLevelAlloc::Arena *arena) { ABSL_RAW_CHECK(new_pages != nullptr, "VirtualAlloc failed"); #else if ((arena->flags & LowLevelAlloc::kAsyncSignalSafe) != 0) { - new_pages = MallocHook::UnhookedMMap(nullptr, new_pages_size, + new_pages = base_internal::DirectMmap(nullptr, new_pages_size, PROT_WRITE|PROT_READ, MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); } else { new_pages = mmap(nullptr, new_pages_size, PROT_WRITE | PROT_READ, @@ -593,21 +589,12 @@ static void *DoAllocWithArena(size_t request, LowLevelAlloc::Arena *arena) { void *LowLevelAlloc::Alloc(size_t request) { void *result = DoAllocWithArena(request, DefaultArena()); - // The default arena always calls the malloc hook. - // This call must be directly in the user-called allocator function - // for MallocHook::GetCallerStackTrace to work properly - MallocHook::InvokeNewHook(result, request); return result; } void *LowLevelAlloc::AllocWithArena(size_t request, Arena *arena) { ABSL_RAW_CHECK(arena != nullptr, "must pass a valid arena"); void *result = DoAllocWithArena(request, arena); - if ((arena->flags & kCallMallocHook) != 0) { - // this call must be directly in the user-called allocator function - // for MallocHook::GetCallerStackTrace to work properly - MallocHook::InvokeNewHook(result, request); - } return result; } -- cgit v1.2.3