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branch	1.1.1;
access;
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	LLVM:1.1.1;
locks; strict;
comment	@// @;


1.1
date	2019.01.08.05.40.28;	author kamil;	state Exp;
branches
	1.1.1.1;
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1.1.1.1
date	2019.01.08.05.40.28;	author kamil;	state Exp;
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	1.1.1.1.2.1
	1.1.1.1.6.1;
next	;
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1.1.1.1.2.1
date	2019.01.08.05.40.28;	author pgoyette;	state dead;
branches;
next	1.1.1.1.2.2;
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1.1.1.1.2.2
date	2019.01.18.08.50.49;	author pgoyette;	state Exp;
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1.1.1.1.6.1
date	2019.01.08.05.40.28;	author christos;	state dead;
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1.1.1.1.6.2
date	2019.06.10.22.07.46;	author christos;	state Exp;
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desc
@@


1.1
log
@Initial revision
@
text
@//===- FuzzerExtraCounters.cpp - Extra coverage counters ------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// Extra coverage counters defined by user code.
//===----------------------------------------------------------------------===//

#include "FuzzerDefs.h"

#if LIBFUZZER_LINUX || LIBFUZZER_NETBSD || LIBFUZZER_FREEBSD ||                \
    LIBFUZZER_OPENBSD
__attribute__((weak)) extern uint8_t __start___libfuzzer_extra_counters;
__attribute__((weak)) extern uint8_t __stop___libfuzzer_extra_counters;

namespace fuzzer {
uint8_t *ExtraCountersBegin() { return &__start___libfuzzer_extra_counters; }
uint8_t *ExtraCountersEnd() { return &__stop___libfuzzer_extra_counters; }
ATTRIBUTE_NO_SANITIZE_ALL
void ClearExtraCounters() {  // hand-written memset, don't asan-ify.
  uintptr_t *Beg = reinterpret_cast<uintptr_t*>(ExtraCountersBegin());
  uintptr_t *End = reinterpret_cast<uintptr_t*>(ExtraCountersEnd());
  for (; Beg < End; Beg++) {
    *Beg = 0;
    __asm__ __volatile__("" : : : "memory");
  }
}

}  // namespace fuzzer

#else
// TODO: implement for other platforms.
namespace fuzzer {
uint8_t *ExtraCountersBegin() { return nullptr; }
uint8_t *ExtraCountersEnd() { return nullptr; }
void ClearExtraCounters() {}
}  // namespace fuzzer

#endif
@


1.1.1.1
log
@Import compiler-rt r350590. LLVM sanitizers on top of unmodified files from compiler-rt-259194.
@
text
@@


1.1.1.1.6.1
log
@file FuzzerExtraCounters.cpp was added on branch phil-wifi on 2019-06-10 22:07:46 +0000
@
text
@d1 42
@


1.1.1.1.6.2
log
@Sync with HEAD
@
text
@a0 42
//===- FuzzerExtraCounters.cpp - Extra coverage counters ------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// Extra coverage counters defined by user code.
//===----------------------------------------------------------------------===//

#include "FuzzerDefs.h"

#if LIBFUZZER_LINUX || LIBFUZZER_NETBSD || LIBFUZZER_FREEBSD ||                \
    LIBFUZZER_OPENBSD
__attribute__((weak)) extern uint8_t __start___libfuzzer_extra_counters;
__attribute__((weak)) extern uint8_t __stop___libfuzzer_extra_counters;

namespace fuzzer {
uint8_t *ExtraCountersBegin() { return &__start___libfuzzer_extra_counters; }
uint8_t *ExtraCountersEnd() { return &__stop___libfuzzer_extra_counters; }
ATTRIBUTE_NO_SANITIZE_ALL
void ClearExtraCounters() {  // hand-written memset, don't asan-ify.
  uintptr_t *Beg = reinterpret_cast<uintptr_t*>(ExtraCountersBegin());
  uintptr_t *End = reinterpret_cast<uintptr_t*>(ExtraCountersEnd());
  for (; Beg < End; Beg++) {
    *Beg = 0;
    __asm__ __volatile__("" : : : "memory");
  }
}

}  // namespace fuzzer

#else
// TODO: implement for other platforms.
namespace fuzzer {
uint8_t *ExtraCountersBegin() { return nullptr; }
uint8_t *ExtraCountersEnd() { return nullptr; }
void ClearExtraCounters() {}
}  // namespace fuzzer

#endif
@


1.1.1.1.2.1
log
@file FuzzerExtraCounters.cpp was added on branch pgoyette-compat on 2019-01-18 08:50:49 +0000
@
text
@d1 42
@


1.1.1.1.2.2
log
@Synch with HEAD
@
text
@a0 42
//===- FuzzerExtraCounters.cpp - Extra coverage counters ------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// Extra coverage counters defined by user code.
//===----------------------------------------------------------------------===//

#include "FuzzerDefs.h"

#if LIBFUZZER_LINUX || LIBFUZZER_NETBSD || LIBFUZZER_FREEBSD ||                \
    LIBFUZZER_OPENBSD
__attribute__((weak)) extern uint8_t __start___libfuzzer_extra_counters;
__attribute__((weak)) extern uint8_t __stop___libfuzzer_extra_counters;

namespace fuzzer {
uint8_t *ExtraCountersBegin() { return &__start___libfuzzer_extra_counters; }
uint8_t *ExtraCountersEnd() { return &__stop___libfuzzer_extra_counters; }
ATTRIBUTE_NO_SANITIZE_ALL
void ClearExtraCounters() {  // hand-written memset, don't asan-ify.
  uintptr_t *Beg = reinterpret_cast<uintptr_t*>(ExtraCountersBegin());
  uintptr_t *End = reinterpret_cast<uintptr_t*>(ExtraCountersEnd());
  for (; Beg < End; Beg++) {
    *Beg = 0;
    __asm__ __volatile__("" : : : "memory");
  }
}

}  // namespace fuzzer

#else
// TODO: implement for other platforms.
namespace fuzzer {
uint8_t *ExtraCountersBegin() { return nullptr; }
uint8_t *ExtraCountersEnd() { return nullptr; }
void ClearExtraCounters() {}
}  // namespace fuzzer

#endif
@