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[libfuzzer] chromium-related compilation fixes

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Reviewers: kcc

Differential Revision: https://reviews.llvm.org/D29502

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@294035 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mike Aizatsky 2017-02-03 20:26:44 +00:00
parent 48521a9c53
commit 0022fc7373
3 changed files with 13 additions and 10 deletions
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1
lib/Fuzzer/FuzzerShmemPosix.cpp
View File

@ -21,6 +21,7 @@
#include <sys/mman.h>
#include <semaphore.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
namespace fuzzer {

6
lib/Fuzzer/FuzzerTracePC.cpp
View File

@ -27,8 +27,10 @@
// The coverage counters and PCs.
// These are declared as global variables named "__sancov_*" to simplify
// experiments with inlined instrumentation.
alignas(8) uint8_t
__sancov_trace_pc_guard_8bit_counters[fuzzer::TracePC::kNumPCs];
alignas(8) ATTRIBUTE_INTERFACE
uint8_t __sancov_trace_pc_guard_8bit_counters[fuzzer::TracePC::kNumPCs];
ATTRIBUTE_INTERFACE
uintptr_t __sancov_trace_pc_pcs[fuzzer::TracePC::kNumPCs];
namespace fuzzer {

16
lib/Fuzzer/FuzzerTraceState.cpp
View File

@ -103,7 +103,7 @@ extern "C" {
#if LLVM_FUZZER_DEFINES_SANITIZER_WEAK_HOOOKS
ATTRIBUTE_NO_SANITIZE_MEMORY
ATTRIBUTE_INTERFACE ATTRIBUTE_NO_SANITIZE_MEMORY
void __sanitizer_weak_hook_memcmp(void *caller_pc, const void *s1,
const void *s2, size_t n, int result) {
if (result == 0) return; // No reason to mutate.
@ -111,7 +111,7 @@ void __sanitizer_weak_hook_memcmp(void *caller_pc, const void *s1,
fuzzer::TPC.AddValueForMemcmp(caller_pc, s1, s2, n, /*StopAtZero*/false);
}
ATTRIBUTE_NO_SANITIZE_MEMORY
ATTRIBUTE_INTERFACE ATTRIBUTE_NO_SANITIZE_MEMORY
void __sanitizer_weak_hook_strncmp(void *caller_pc, const char *s1,
const char *s2, size_t n, int result) {
if (result == 0) return; // No reason to mutate.
@ -124,7 +124,7 @@ void __sanitizer_weak_hook_strncmp(void *caller_pc, const char *s1,
}
ATTRIBUTE_NO_SANITIZE_MEMORY
ATTRIBUTE_INTERFACE ATTRIBUTE_NO_SANITIZE_MEMORY
void __sanitizer_weak_hook_strcmp(void *caller_pc, const char *s1,
const char *s2, int result) {
if (result == 0) return; // No reason to mutate.
@ -135,31 +135,31 @@ void __sanitizer_weak_hook_strcmp(void *caller_pc, const char *s1,
fuzzer::TPC.AddValueForMemcmp(caller_pc, s1, s2, N, /*StopAtZero*/true);
}
ATTRIBUTE_NO_SANITIZE_MEMORY
ATTRIBUTE_INTERFACE ATTRIBUTE_NO_SANITIZE_MEMORY
void __sanitizer_weak_hook_strncasecmp(void *called_pc, const char *s1,
const char *s2, size_t n, int result) {
return __sanitizer_weak_hook_strncmp(called_pc, s1, s2, n, result);
}
ATTRIBUTE_NO_SANITIZE_MEMORY
ATTRIBUTE_INTERFACE ATTRIBUTE_NO_SANITIZE_MEMORY
void __sanitizer_weak_hook_strcasecmp(void *called_pc, const char *s1,
const char *s2, int result) {
return __sanitizer_weak_hook_strcmp(called_pc, s1, s2, result);
}
ATTRIBUTE_NO_SANITIZE_MEMORY
ATTRIBUTE_INTERFACE ATTRIBUTE_NO_SANITIZE_MEMORY
void __sanitizer_weak_hook_strstr(void *called_pc, const char *s1,
const char *s2, char *result) {
TS->AddInterestingWord(reinterpret_cast<const uint8_t *>(s2), strlen(s2));
}
ATTRIBUTE_NO_SANITIZE_MEMORY
ATTRIBUTE_INTERFACE ATTRIBUTE_NO_SANITIZE_MEMORY
void __sanitizer_weak_hook_strcasestr(void *called_pc, const char *s1,
const char *s2, char *result) {
TS->AddInterestingWord(reinterpret_cast<const uint8_t *>(s2), strlen(s2));
}
ATTRIBUTE_NO_SANITIZE_MEMORY
ATTRIBUTE_INTERFACE ATTRIBUTE_NO_SANITIZE_MEMORY
void __sanitizer_weak_hook_memmem(void *called_pc, const void *s1, size_t len1,
const void *s2, size_t len2, void *result) {
if (fuzzer::DoingMyOwnMemmem) return;