From 4c37612689003f4df7b6a8561a16f7649f27462f Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Thu, 28 Feb 2013 20:55:40 +0100 Subject: [PATCH] asan_mapping.h (kMidMemEnd): Increase to 0x4fffffffffULL. * asan/asan_mapping.h (kMidMemEnd): Increase to 0x4fffffffffULL. * asan/asan_rtl.cc (__asan_init): Increase kMidMemEnd to 0x4fffffffffULL. From-SVN: r196355 --- libsanitizer/ChangeLog | 6 ++++++ libsanitizer/asan/asan_mapping.h | 12 ++++++------ libsanitizer/asan/asan_rtl.cc | 2 +- 3 files changed, 13 insertions(+), 7 deletions(-) diff --git a/libsanitizer/ChangeLog b/libsanitizer/ChangeLog index 608ffab0851..4e3facc1a8e 100644 --- a/libsanitizer/ChangeLog +++ b/libsanitizer/ChangeLog @@ -1,3 +1,9 @@ +2013-02-28 Jakub Jelinek + + * asan/asan_mapping.h (kMidMemEnd): Increase to 0x4fffffffffULL. + * asan/asan_rtl.cc (__asan_init): Increase kMidMemEnd to + 0x4fffffffffULL. + 2013-02-22 Jakub Jelinek PR sanitizer/56393 diff --git a/libsanitizer/asan/asan_mapping.h b/libsanitizer/asan/asan_mapping.h index df952363893..9b4dd35f1eb 100644 --- a/libsanitizer/asan/asan_mapping.h +++ b/libsanitizer/asan/asan_mapping.h @@ -30,13 +30,13 @@ // || `[0x000000040000, 0x01ffffffffff]` || ShadowGap || // // Special case when something is already mapped between -// 0x003000000000 and 0x004000000000 (e.g. when prelink is installed): +// 0x003000000000 and 0x005000000000 (e.g. when prelink is installed): // || `[0x10007fff8000, 0x7fffffffffff]` || HighMem || // || `[0x02008fff7000, 0x10007fff7fff]` || HighShadow || -// || `[0x004000000000, 0x02008fff6fff]` || ShadowGap3 || -// || `[0x003000000000, 0x003fffffffff]` || MidMem || -// || `[0x00087fff8000, 0x002fffffffff]` || ShadowGap2 || -// || `[0x00067fff8000, 0x00087fff7fff]` || MidShadow || +// || `[0x005000000000, 0x02008fff6fff]` || ShadowGap3 || +// || `[0x003000000000, 0x004fffffffff]` || MidMem || +// || `[0x000a7fff8000, 0x002fffffffff]` || ShadowGap2 || +// || `[0x00067fff8000, 0x000a7fff7fff]` || MidShadow || // || `[0x00008fff7000, 0x00067fff7fff]` || ShadowGap || // || `[0x00007fff8000, 0x00008fff6fff]` || LowShadow || // || `[0x000000000000, 0x00007fff7fff]` || LowMem || @@ -129,7 +129,7 @@ extern uptr AsanMappingProfile[]; // difference between fixed and non-fixed mapping is below the noise level. static uptr kHighMemEnd = 0x7fffffffffffULL; static uptr kMidMemBeg = 0x3000000000ULL; -static uptr kMidMemEnd = 0x3fffffffffULL; +static uptr kMidMemEnd = 0x4fffffffffULL; #else SANITIZER_INTERFACE_ATTRIBUTE extern uptr kHighMemEnd, kMidMemBeg, kMidMemEnd; // Initialized in __asan_init. diff --git a/libsanitizer/asan/asan_rtl.cc b/libsanitizer/asan/asan_rtl.cc index e551b6fbc26..6ddb01329ad 100644 --- a/libsanitizer/asan/asan_rtl.cc +++ b/libsanitizer/asan/asan_rtl.cc @@ -455,7 +455,7 @@ void __asan_init() { #if ASAN_LINUX && defined(__x86_64__) && !ASAN_FIXED_MAPPING if (!full_shadow_is_available) { kMidMemBeg = kLowMemEnd < 0x3000000000ULL ? 0x3000000000ULL : 0; - kMidMemEnd = kLowMemEnd < 0x3000000000ULL ? 0x3fffffffffULL : 0; + kMidMemEnd = kLowMemEnd < 0x3000000000ULL ? 0x4fffffffffULL : 0; } #endif