From f79664809bf45eea005c690102dacd4b5ccf8527 Mon Sep 17 00:00:00 2001 From: Mehdi Amini Date: Tue, 26 Apr 2016 07:03:11 +0000 Subject: Revert "[sanitizers] read/write page fault detection on mac." This reverts commit r267477. It broke our bots that enables the AArch64 backends, it seems that this code is using a Darwin *X86 specific* field. From: Mehdi Amini git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@267526 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/asan/TestCases/Linux/segv_read_write.c | 26 ++++++++++++++++++++++++++ test/asan/TestCases/Posix/segv_read_write.c | 26 -------------------------- 2 files changed, 26 insertions(+), 26 deletions(-) create mode 100644 test/asan/TestCases/Linux/segv_read_write.c delete mode 100644 test/asan/TestCases/Posix/segv_read_write.c (limited to 'test') diff --git a/test/asan/TestCases/Linux/segv_read_write.c b/test/asan/TestCases/Linux/segv_read_write.c new file mode 100644 index 000000000..d5a62c66d --- /dev/null +++ b/test/asan/TestCases/Linux/segv_read_write.c @@ -0,0 +1,26 @@ +// RUN: %clangxx_asan -std=c++11 -O0 %s -o %t +// RUN: not %run %t 2>&1 | FileCheck %s --check-prefix=READ +// RUN: not %run %t write 2>&1 | FileCheck %s --check-prefix=WRITE +// UNSUPPORTED: powerpc64,mips + +#include + +static volatile int sink; +__attribute__((noinline)) void Read(int *ptr) { sink = *ptr; } +__attribute__((noinline)) void Write(int *ptr) { *ptr = 0; } +int main(int argc, char **argv) { + // Writes to shadow are detected as reads from shadow gap (because of how the + // shadow mapping works). This is kinda hard to fix. Test a random address in + // the application part of the address space. + void *volatile p = + mmap(nullptr, 4096, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); + munmap(p, 4096); + if (argc == 1) + Read((int *)p); + else + Write((int *)p); +} +// READ: AddressSanitizer: SEGV on unknown address +// READ: The signal is caused by a READ memory access. +// WRITE: AddressSanitizer: SEGV on unknown address +// WRITE: The signal is caused by a WRITE memory access. diff --git a/test/asan/TestCases/Posix/segv_read_write.c b/test/asan/TestCases/Posix/segv_read_write.c deleted file mode 100644 index d5a62c66d..000000000 --- a/test/asan/TestCases/Posix/segv_read_write.c +++ /dev/null @@ -1,26 +0,0 @@ -// RUN: %clangxx_asan -std=c++11 -O0 %s -o %t -// RUN: not %run %t 2>&1 | FileCheck %s --check-prefix=READ -// RUN: not %run %t write 2>&1 | FileCheck %s --check-prefix=WRITE -// UNSUPPORTED: powerpc64,mips - -#include - -static volatile int sink; -__attribute__((noinline)) void Read(int *ptr) { sink = *ptr; } -__attribute__((noinline)) void Write(int *ptr) { *ptr = 0; } -int main(int argc, char **argv) { - // Writes to shadow are detected as reads from shadow gap (because of how the - // shadow mapping works). This is kinda hard to fix. Test a random address in - // the application part of the address space. - void *volatile p = - mmap(nullptr, 4096, PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); - munmap(p, 4096); - if (argc == 1) - Read((int *)p); - else - Write((int *)p); -} -// READ: AddressSanitizer: SEGV on unknown address -// READ: The signal is caused by a READ memory access. -// WRITE: AddressSanitizer: SEGV on unknown address -// WRITE: The signal is caused by a WRITE memory access. -- cgit v1.2.3