e76f2171f9
In more recent Linux kernels with 47 bit VMAs the layout of virtual memory for powerpc64 changed causing the address sanitizer to not work properly. This patch fixes up a test case that was found to fail on some newer Fedora releases that use different address ranges. ref: https://reviews.llvm.org/D40907 llvm-svn: 323217
53 lines
2.2 KiB
C++
53 lines
2.2 KiB
C++
// RUN: %clang_asan -O0 %s -o %t
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// RUN: %env_asan_opts=verbosity=0 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-PPC64-V0
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// RUN: %env_asan_opts=verbosity=2 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-PPC64
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// REQUIRES: powerpc64-target-arch
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#include <stdio.h>
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int main() {
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// CHECK-PPC64: || `[{{0x200|0x180|0x0a0|0x040}}000000000, {{0x7ff|0x3ff|0x0ff}}fffffffff]` || HighMem ||
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// CHECK-PPC64: || `[{{0x140|0x130|0x034|0x028}}000000000, {{0x1ff|0x17f|0x09f|0x03f}}fffffffff]` || HighShadow ||
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// CHECK-PPC64: || `[{{0x120|0x024|0x024}}000000000, {{0x12f|0x13f|0x033|0x027}}fffffffff]` || ShadowGap ||
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// CHECK-PPC64: || `[{{0x100|0x020}}000000000, {{0x11f|0x023}}fffffffff]` || LowShadow ||
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// CHECK-PPC64: || `[0x000000000000, {{0x0ff|0x01f}}fffffffff]` || LowMem ||
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//
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printf("ppc64 eyecatcher \n");
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// CHECK-PPC64-V0: ppc64 eyecatcher
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return 0;
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}
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/*
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* Several different signatures noted.
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Newer kernel: (Fedora starting with kernel version 4.?)
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|| `[0x200000000000, 0x7fffffffffff]` || HighMem ||
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|| `[0x140000000000, 0x1fffffffffff]` || HighShadow ||
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|| `[0x120000000000, 0x13ffffffffff]` || ShadowGap ||
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|| `[0x100000000000, 0x11ffffffffff]` || LowShadow ||
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|| `[0x000000000000, 0x0fffffffffff]` || LowMem ||
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Newer kernel: (Ubuntu starting with kernel version 4.?)
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|| `[0x180000000000, 0x3fffffffffff]` || HighMem ||
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|| `[0x130000000000, 0x17ffffffffff]` || HighShadow ||
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|| `[0x120000000000, 0x12ffffffffff]` || ShadowGap ||
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|| `[0x100000000000, 0x11ffffffffff]` || LowShadow ||
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|| `[0x000000000000, 0x0fffffffffff]` || LowMem ||
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Newish kernel: (64TB address range support, starting with kernel version 3.7)
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|| `[0x0a0000000000, 0x3fffffffffff]` || HighMem ||
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|| `[0x034000000000, 0x09ffffffffff]` || HighShadow ||
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|| `[0x024000000000, 0x033fffffffff]` || ShadowGap ||
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|| `[0x020000000000, 0x023fffffffff]` || LowShadow ||
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|| `[0x000000000000, 0x01ffffffffff]` || LowMem ||
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Oldish kernel:
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|| `[0x040000000000, 0x0fffffffffff]` || HighMem ||
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|| `[0x028000000000, 0x03ffffffffff]` || HighShadow ||
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|| `[0x024000000000, 0x027fffffffff]` || ShadowGap ||
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|| `[0x020000000000, 0x023fffffffff]` || LowShadow ||
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|| `[0x000000000000, 0x01ffffffffff]` || LowMem ||
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*/
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