head	1.4;
access;
symbols
	netbsd-11-0-RC4:1.3
	netbsd-11-0-RC3:1.3
	netbsd-11-0-RC2:1.3
	netbsd-11-0-RC1:1.3
	gcc-14-3-0:1.1.1.2
	perseant-exfatfs-base-20250801:1.3
	netbsd-11:1.3.0.4
	netbsd-11-base:1.3
	gcc-12-5-0:1.1.1.1
	perseant-exfatfs-base-20240630:1.3
	gcc-12-4-0:1.1.1.1
	perseant-exfatfs:1.3.0.2
	perseant-exfatfs-base:1.3
	gcc-12-3-0:1.1.1.1
	gcc-10-5-0:1.1.1.1
	gcc-10-4-0:1.1.1.1
	cjep_sun2x:1.2.0.4
	cjep_sun2x-base:1.2
	cjep_staticlib_x-base1:1.2
	cjep_staticlib_x:1.2.0.2
	cjep_staticlib_x-base:1.2
	gcc-10-3-0:1.1.1.1
	FSF:1.1.1;
locks; strict;
comment	@// @;


1.4
date	2025.09.14.00.08.54;	author mrg;	state Exp;
branches;
next	1.3;
commitid	x9D5QEnvbeMI4CaG;

1.3
date	2023.07.31.01.44.54;	author mrg;	state Exp;
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next	1.2;
commitid	q79F5Opf0FLsyTyE;

1.2
date	2021.04.11.23.54.25;	author mrg;	state dead;
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next	1.1;
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1.1
date	2021.04.10.22.09.22;	author mrg;	state Exp;
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	1.1.1.1;
next	;
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1.1.1.1
date	2021.04.10.22.09.22;	author mrg;	state Exp;
branches;
next	1.1.1.2;
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1.1.1.2
date	2025.09.13.23.45.04;	author mrg;	state Exp;
branches;
next	;
commitid	KwhwN4krNWa6XBaG;


desc
@@


1.4
log
@merge GCC 14.3.0.
@
text
@//===-- asan_malloc_mac.cpp -----------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file is a part of AddressSanitizer, an address sanity checker.
//
// Mac-specific malloc interception.
//===----------------------------------------------------------------------===//

#include "sanitizer_common/sanitizer_platform.h"
#if SANITIZER_APPLE

#include "asan_interceptors.h"
#include "asan_report.h"
#include "asan_stack.h"
#include "asan_stats.h"
#include "lsan/lsan_common.h"

using namespace __asan;
#define COMMON_MALLOC_ZONE_NAME "asan"
#define COMMON_MALLOC_ENTER() ENSURE_ASAN_INITED()
#  define COMMON_MALLOC_SANITIZER_INITIALIZED AsanInited()
#  define COMMON_MALLOC_FORCE_LOCK() asan_mz_force_lock()
#  define COMMON_MALLOC_FORCE_UNLOCK() asan_mz_force_unlock()
#  define COMMON_MALLOC_MEMALIGN(alignment, size) \
    GET_STACK_TRACE_MALLOC;                       \
    void *p = asan_memalign(alignment, size, &stack, FROM_MALLOC)
#  define COMMON_MALLOC_MALLOC(size) \
    GET_STACK_TRACE_MALLOC;          \
    void *p = asan_malloc(size, &stack)
#  define COMMON_MALLOC_REALLOC(ptr, size) \
    GET_STACK_TRACE_MALLOC;                \
    void *p = asan_realloc(ptr, size, &stack);
#  define COMMON_MALLOC_CALLOC(count, size) \
    GET_STACK_TRACE_MALLOC;                 \
    void *p = asan_calloc(count, size, &stack);
#  define COMMON_MALLOC_POSIX_MEMALIGN(memptr, alignment, size) \
    GET_STACK_TRACE_MALLOC;                                     \
    int res = asan_posix_memalign(memptr, alignment, size, &stack);
#  define COMMON_MALLOC_VALLOC(size) \
    GET_STACK_TRACE_MALLOC;          \
    void *p = asan_memalign(GetPageSizeCached(), size, &stack, FROM_MALLOC);
#  define COMMON_MALLOC_FREE(ptr) \
    GET_STACK_TRACE_FREE;         \
    asan_free(ptr, &stack, FROM_MALLOC);
#  define COMMON_MALLOC_SIZE(ptr) uptr size = asan_mz_size(ptr);
#  define COMMON_MALLOC_FILL_STATS(zone, stats)                    \
    AsanMallocStats malloc_stats;                                  \
    FillMallocStatistics(&malloc_stats);                           \
    CHECK(sizeof(malloc_statistics_t) == sizeof(AsanMallocStats)); \
    internal_memcpy(stats, &malloc_stats, sizeof(malloc_statistics_t));
#  define COMMON_MALLOC_REPORT_UNKNOWN_REALLOC(ptr, zone_ptr, zone_name) \
    GET_STACK_TRACE_FREE;                                                \
    ReportMacMzReallocUnknown((uptr)ptr, (uptr)zone_ptr, zone_name, &stack);
#  define COMMON_MALLOC_NAMESPACE __asan
#  define COMMON_MALLOC_HAS_ZONE_ENUMERATOR 0
#  define COMMON_MALLOC_HAS_EXTRA_INTROSPECTION_INIT 1

#  include "sanitizer_common/sanitizer_malloc_mac.inc"

namespace COMMON_MALLOC_NAMESPACE {

bool HandleDlopenInit() {
  static_assert(SANITIZER_SUPPORTS_INIT_FOR_DLOPEN,
                "Expected SANITIZER_SUPPORTS_INIT_FOR_DLOPEN to be true");
  // We have no reliable way of knowing how we are being loaded
  // so make it a requirement on Apple platforms to set this environment
  // variable to indicate that we want to perform initialization via
  // dlopen().
  auto init_str = GetEnv("APPLE_ASAN_INIT_FOR_DLOPEN");
  if (!init_str)
    return false;
  if (internal_strncmp(init_str, "1", 1) != 0)
    return false;
  // When we are loaded via `dlopen()` path we still initialize the malloc zone
  // so Symbolication clients (e.g. `leaks`) that load the ASan allocator can
  // find an initialized malloc zone.
  InitMallocZoneFields();
  return true;
}
}  // namespace COMMON_MALLOC_NAMESPACE

namespace {

void mi_extra_init(sanitizer_malloc_introspection_t *mi) {
  uptr last_byte_plus_one = 0;
  mi->allocator_ptr = 0;
  // Range is [begin_ptr, end_ptr)
  __lsan::GetAllocatorGlobalRange(&(mi->allocator_ptr), &last_byte_plus_one);
  CHECK_NE(mi->allocator_ptr, 0);
  CHECK_GT(last_byte_plus_one, mi->allocator_ptr);
  mi->allocator_size = last_byte_plus_one - (mi->allocator_ptr);
  CHECK_GT(mi->allocator_size, 0);
}
}  // namespace

#endif
@


1.3
log
@make this actually be GCC 12.3.0's libsanitizer.

the libsanitizer we used with GCC 9 and GCC 10 was significantly
ahead of the GCC 9 and GCC 10 provided versions.
@
text
@d15 1
a15 1
#if SANITIZER_MAC
d26 36
a61 37
#define COMMON_MALLOC_SANITIZER_INITIALIZED asan_inited
#define COMMON_MALLOC_FORCE_LOCK() asan_mz_force_lock()
#define COMMON_MALLOC_FORCE_UNLOCK() asan_mz_force_unlock()
#define COMMON_MALLOC_MEMALIGN(alignment, size) \
  GET_STACK_TRACE_MALLOC; \
  void *p = asan_memalign(alignment, size, &stack, FROM_MALLOC)
#define COMMON_MALLOC_MALLOC(size) \
  GET_STACK_TRACE_MALLOC; \
  void *p = asan_malloc(size, &stack)
#define COMMON_MALLOC_REALLOC(ptr, size) \
  GET_STACK_TRACE_MALLOC; \
  void *p = asan_realloc(ptr, size, &stack);
#define COMMON_MALLOC_CALLOC(count, size) \
  GET_STACK_TRACE_MALLOC; \
  void *p = asan_calloc(count, size, &stack);
#define COMMON_MALLOC_POSIX_MEMALIGN(memptr, alignment, size) \
  GET_STACK_TRACE_MALLOC; \
  int res = asan_posix_memalign(memptr, alignment, size, &stack);
#define COMMON_MALLOC_VALLOC(size) \
  GET_STACK_TRACE_MALLOC; \
  void *p = asan_memalign(GetPageSizeCached(), size, &stack, FROM_MALLOC);
#define COMMON_MALLOC_FREE(ptr) \
  GET_STACK_TRACE_FREE; \
  asan_free(ptr, &stack, FROM_MALLOC);
#define COMMON_MALLOC_SIZE(ptr) \
  uptr size = asan_mz_size(ptr);
#define COMMON_MALLOC_FILL_STATS(zone, stats) \
  AsanMallocStats malloc_stats; \
  FillMallocStatistics(&malloc_stats); \
  CHECK(sizeof(malloc_statistics_t) == sizeof(AsanMallocStats)); \
  internal_memcpy(stats, &malloc_stats, sizeof(malloc_statistics_t));
#define COMMON_MALLOC_REPORT_UNKNOWN_REALLOC(ptr, zone_ptr, zone_name) \
  GET_STACK_TRACE_FREE; \
  ReportMacMzReallocUnknown((uptr)ptr, (uptr)zone_ptr, zone_name, &stack);
#define COMMON_MALLOC_NAMESPACE __asan
#define COMMON_MALLOC_HAS_ZONE_ENUMERATOR 0
#define COMMON_MALLOC_HAS_EXTRA_INTROSPECTION_INIT 1
d63 1
a63 1
#include "sanitizer_common/sanitizer_malloc_mac.inc"
@


1.2
log
@revert sanitizer back to the version we were using with GCC 9, since
that one was already newer than the GCC 10 version.
@
text
@@


1.1
log
@Initial revision
@
text
@@


1.1.1.1
log
@initial import of GCC 10.3.0.  main changes include:

caveats:
- ABI issue between c++14 and c++17 fixed
- profile mode is removed from libstdc++
- -fno-common is now the default

new features:
- new flags -fallocation-dce, -fprofile-partial-training,
  -fprofile-reproducible, -fprofile-prefix-path, and -fanalyzer
- many new compile and link time optimisations
- enhanced drive optimisations
- openacc 2.6 support
- openmp 5.0 features
- new warnings: -Wstring-compare and -Wzero-length-bounds
- extended warnings: -Warray-bounds, -Wformat-overflow,
  -Wrestrict, -Wreturn-local-addr, -Wstringop-overflow,
  -Warith-conversion, -Wmismatched-tags, and -Wredundant-tags
- some likely C2X features implemented
- more C++20 implemented
- many new arm & intel CPUs known

hundreds of reported bugs are fixed.  full list of changes
can be found at:

   https://gcc.gnu.org/gcc-10/changes.html
@
text
@@


1.1.1.2
log
@initial import of GCC 14.3.0.

major changes in GCC 13:
- improved sanitizer
- zstd debug info compression
- LTO improvements
- SARIF based diagnostic support
- new warnings: -Wxor-used-as-pow, -Wenum-int-mismatch, -Wself-move,
  -Wdangling-reference
- many new -Wanalyzer* specific warnings
- enhanced warnings: -Wpessimizing-move, -Wredundant-move
- new attributes to mark file descriptors, c++23 "assume"
- several C23 features added
- several C++23 features added
- many new features for Arm, x86, RISC-V

major changes in GCC 14:
- more strict C99 or newer support
- ia64* marked deprecated (but seemingly still in GCC 15.)
- several new hardening features
- support for "hardbool", which can have user supplied values of true/false
- explicit support for stack scrubbing upon function exit
- better auto-vectorisation support
- added clang-compatible __has_feature and __has_extension
- more C23, including -std=c23
- several C++26 features added
- better diagnostics in C++ templates
- new warnings: -Wnrvo, Welaborated-enum-base
- many new features for Arm, x86, RISC-V
- possible ABI breaking change for SPARC64 and small structures with arrays
  of floats.
@
text
@d15 1
a15 1
#if SANITIZER_APPLE
d26 37
a62 36
#  define COMMON_MALLOC_SANITIZER_INITIALIZED AsanInited()
#  define COMMON_MALLOC_FORCE_LOCK() asan_mz_force_lock()
#  define COMMON_MALLOC_FORCE_UNLOCK() asan_mz_force_unlock()
#  define COMMON_MALLOC_MEMALIGN(alignment, size) \
    GET_STACK_TRACE_MALLOC;                       \
    void *p = asan_memalign(alignment, size, &stack, FROM_MALLOC)
#  define COMMON_MALLOC_MALLOC(size) \
    GET_STACK_TRACE_MALLOC;          \
    void *p = asan_malloc(size, &stack)
#  define COMMON_MALLOC_REALLOC(ptr, size) \
    GET_STACK_TRACE_MALLOC;                \
    void *p = asan_realloc(ptr, size, &stack);
#  define COMMON_MALLOC_CALLOC(count, size) \
    GET_STACK_TRACE_MALLOC;                 \
    void *p = asan_calloc(count, size, &stack);
#  define COMMON_MALLOC_POSIX_MEMALIGN(memptr, alignment, size) \
    GET_STACK_TRACE_MALLOC;                                     \
    int res = asan_posix_memalign(memptr, alignment, size, &stack);
#  define COMMON_MALLOC_VALLOC(size) \
    GET_STACK_TRACE_MALLOC;          \
    void *p = asan_memalign(GetPageSizeCached(), size, &stack, FROM_MALLOC);
#  define COMMON_MALLOC_FREE(ptr) \
    GET_STACK_TRACE_FREE;         \
    asan_free(ptr, &stack, FROM_MALLOC);
#  define COMMON_MALLOC_SIZE(ptr) uptr size = asan_mz_size(ptr);
#  define COMMON_MALLOC_FILL_STATS(zone, stats)                    \
    AsanMallocStats malloc_stats;                                  \
    FillMallocStatistics(&malloc_stats);                           \
    CHECK(sizeof(malloc_statistics_t) == sizeof(AsanMallocStats)); \
    internal_memcpy(stats, &malloc_stats, sizeof(malloc_statistics_t));
#  define COMMON_MALLOC_REPORT_UNKNOWN_REALLOC(ptr, zone_ptr, zone_name) \
    GET_STACK_TRACE_FREE;                                                \
    ReportMacMzReallocUnknown((uptr)ptr, (uptr)zone_ptr, zone_name, &stack);
#  define COMMON_MALLOC_NAMESPACE __asan
#  define COMMON_MALLOC_HAS_ZONE_ENUMERATOR 0
#  define COMMON_MALLOC_HAS_EXTRA_INTROSPECTION_INIT 1
d64 1
a64 1
#  include "sanitizer_common/sanitizer_malloc_mac.inc"
@