# DP: Enable libsanitizer on ARM. libsanitizer/ 2013-06-20 Christophe Lyon Backport from trunk r198683. 2013-05-07 Christophe Lyon * configure.tgt: Add ARM pattern. gcc/ 2013-06-20 Christophe Lyon Backport from trunk r198683. 2013-05-07 Christophe Lyon * config/arm/arm.c (arm_asan_shadow_offset): New function. (TARGET_ASAN_SHADOW_OFFSET): Define. * config/arm/linux-eabi.h (ASAN_CC1_SPEC): Define. (LINUX_OR_ANDROID_CC): Add ASAN_CC1_SPEC. gcc/testsuite/ 2013-06-20 Christophe Lyon Backport from trunk r198683. 2013-05-07 Christophe Lyon * lib/target-supports.exp (check_effective_target_hw): New function. * c-c++-common/asan/clone-test-1.c: Call check_effective_target_hw. * c-c++-common/asan/rlimit-mmap-test-1.c: Likewise. * c-c++-common/asan/heap-overflow-1.c: Update regexps to accept possible decorations. * c-c++-common/asan/null-deref-1.c: Likewise. * c-c++-common/asan/stack-overflow-1.c: Likewise. * c-c++-common/asan/strncpy-overflow-1.c: Likewise. * c-c++-common/asan/use-after-free-1.c: Likewise. * g++.dg/asan/deep-thread-stack-1.C: Likewise. * g++.dg/asan/large-func-test-1.C: Likewise. Index: b/src/libsanitizer/configure.tgt =================================================================== --- a/src/libsanitizer/configure.tgt +++ b/src/libsanitizer/configure.tgt @@ -32,6 +32,8 @@ case "${target}" in ;; sparc*-*-linux*) ;; + arm*-*-linux*) + ;; x86_64-*-darwin[1]* | i?86-*-darwin[1]*) TSAN_SUPPORTED=no ;; Index: b/src/gcc/testsuite/lib/target-supports.exp =================================================================== --- a/src/gcc/testsuite/lib/target-supports.exp +++ b/src/gcc/testsuite/lib/target-supports.exp @@ -4711,6 +4711,33 @@ proc check_effective_target_simulator { return 0 } +# Return 1 if programs are intended to be run on hardware rather than +# on a simulator + +proc check_effective_target_hw { } { + + # All "src/sim" simulators set this one. + if [board_info target exists is_simulator] { + if [board_info target is_simulator] { + return 0 + } else { + return 1 + } + } + + # The "sid" simulators don't set that one, but at least they set + # this one. + if [board_info target exists slow_simulator] { + if [board_info target slow_simulator] { + return 0 + } else { + return 1 + } + } + + return 1 +} + # Return 1 if the target is a VxWorks kernel. proc check_effective_target_vxworks_kernel { } { Index: b/src/gcc/testsuite/g++.dg/asan/large-func-test-1.C =================================================================== --- a/src/gcc/testsuite/g++.dg/asan/large-func-test-1.C +++ b/src/gcc/testsuite/g++.dg/asan/large-func-test-1.C @@ -37,9 +37,9 @@ int main() { // { dg-output "ERROR: AddressSanitizer:? heap-buffer-overflow on address\[^\n\r]*" } // { dg-output "0x\[0-9a-f\]+ at pc 0x\[0-9a-f\]+ bp 0x\[0-9a-f\]+ sp 0x\[0-9a-f\]+\[^\n\r]*(\n|\r\n|\r)" } -// { dg-output "READ of size 4 at 0x\[0-9a-f\]+ thread T0\[^\n\r]*(\n|\r\n|\r)" } +// { dg-output "\[^\n\r]*READ of size 4 at 0x\[0-9a-f\]+ thread T0\[^\n\r]*(\n|\r\n|\r)" } // { dg-output " #0 0x\[0-9a-f\]+ (in \[^\n\r]*LargeFunction\[^\n\r]*(large-func-test-1.C:18|\[^\n\r]*:0)|\[(\]).*(\n|\r\n|\r)" } -// { dg-output "0x\[0-9a-f\]+ is located 44 bytes to the right of 400-byte region.*(\n|\r\n|\r)" } -// { dg-output "allocated by thread T0 here:\[^\n\r]*(\n|\r\n|\r)" } +// { dg-output "\[^\n\r]*0x\[0-9a-f\]+ is located 44 bytes to the right of 400-byte region.*(\n|\r\n|\r)" } +// { dg-output "\[^\n\r]*allocated by thread T0 here:\[^\n\r]*(\n|\r\n|\r)" } // { dg-output " #0( 0x\[0-9a-f\]+ (in _*(interceptor_|)malloc|\[(\])\[^\n\r]*(\n|\r\n|\r)" } // { dg-output " #1|) 0x\[0-9a-f\]+ (in (operator new|_*_Zn\[aw\]\[mj\])|\[(\])\[^\n\r]*(\n|\r\n|\r)" } Index: b/src/gcc/testsuite/g++.dg/asan/deep-thread-stack-1.C =================================================================== --- a/src/gcc/testsuite/g++.dg/asan/deep-thread-stack-1.C +++ b/src/gcc/testsuite/g++.dg/asan/deep-thread-stack-1.C @@ -45,9 +45,9 @@ int main(int argc, char *argv[]) { } // { dg-output "ERROR: AddressSanitizer: heap-use-after-free.*(\n|\r\n|\r)" } -// { dg-output "WRITE of size 4 at 0x\[0-9a-f\]+ thread T(\[0-9\]+).*(\n|\r\n|\r)" } -// { dg-output "freed by thread T(\[0-9\]+) here:.*(\n|\r\n|\r)" } -// { dg-output "previously allocated by thread T(\[0-9\]+) here:.*(\n|\r\n|\r)" } +// { dg-output "\[^\n\r]*WRITE of size 4 at 0x\[0-9a-f\]+ thread T(\[0-9\]+).*(\n|\r\n|\r)" } +// { dg-output "\[^\n\r]*freed by thread T(\[0-9\]+) here:.*(\n|\r\n|\r)" } +// { dg-output "\[^\n\r]*previously allocated by thread T(\[0-9\]+) here:.*(\n|\r\n|\r)" } // { dg-output "Thread T\\2 created by T(\[0-9\]+) here:.*(\n|\r\n|\r)" } // { dg-output "Thread T\\8 created by T0 here:.*(\n|\r\n|\r)" } // { dg-output "Thread T\\4 created by T(\[0-9\]+) here:.*(\n|\r\n|\r)" } Index: b/src/gcc/testsuite/c-c++-common/asan/strncpy-overflow-1.c =================================================================== --- a/src/gcc/testsuite/c-c++-common/asan/strncpy-overflow-1.c +++ b/src/gcc/testsuite/c-c++-common/asan/strncpy-overflow-1.c @@ -15,7 +15,7 @@ int main(int argc, char **argv) { /* { dg-output "WRITE of size \[0-9\]* at 0x\[0-9a-f\]+ thread T0\[^\n\r]*(\n|\r\n|\r)" } */ /* { dg-output " #0 0x\[0-9a-f\]+ (in _*(interceptor_|)strncpy|\[(\])\[^\n\r]*(\n|\r\n|\r)" } */ /* { dg-output " #1 0x\[0-9a-f\]+ (in _*main (\[^\n\r]*strncpy-overflow-1.c:11|\[^\n\r]*:0)|\[(\]).*(\n|\r\n|\r)" } */ -/* { dg-output "0x\[0-9a-f\]+ is located 0 bytes to the right of 9-byte region\[^\n\r]*(\n|\r\n|\r)" } */ -/* { dg-output "allocated by thread T0 here:\[^\n\r]*(\n|\r\n|\r)" } */ +/* { dg-output "\[^\n\r]*0x\[0-9a-f\]+ is located 0 bytes to the right of 9-byte region\[^\n\r]*(\n|\r\n|\r)" } */ +/* { dg-output "\[^\n\r]*allocated by thread T0 here:\[^\n\r]*(\n|\r\n|\r)" } */ /* { dg-output " #0 0x\[0-9a-f\]+ (in _*(interceptor_|)malloc|\[(\])\[^\n\r]*(\n|\r\n|\r)" } */ /* { dg-output " #1 0x\[0-9a-f\]+ (in _*main (\[^\n\r]*strncpy-overflow-1.c:10|\[^\n\r]*:0)|\[(\])\[^\n\r]*(\n|\r\n|\r)" } */ Index: b/src/gcc/testsuite/c-c++-common/asan/rlimit-mmap-test-1.c =================================================================== --- a/src/gcc/testsuite/c-c++-common/asan/rlimit-mmap-test-1.c +++ b/src/gcc/testsuite/c-c++-common/asan/rlimit-mmap-test-1.c @@ -2,6 +2,7 @@ /* { dg-do run { target setrlimit } } */ /* { dg-skip-if "" { *-*-* } { "*" } { "-O0" } } */ +/* { dg-require-effective-target hw } */ /* { dg-shouldfail "asan" } */ #include Index: b/src/gcc/testsuite/c-c++-common/asan/stack-overflow-1.c =================================================================== --- a/src/gcc/testsuite/c-c++-common/asan/stack-overflow-1.c +++ b/src/gcc/testsuite/c-c++-common/asan/stack-overflow-1.c @@ -19,4 +19,4 @@ int main() { /* { dg-output "READ of size 1 at 0x\[0-9a-f\]+ thread T0\[^\n\r]*(\n|\r\n|\r)" } */ /* { dg-output " #0 0x\[0-9a-f\]+ (in _*main (\[^\n\r]*stack-overflow-1.c:16|\[^\n\r]*:0)|\[(\]).*(\n|\r\n|\r)" } */ -/* { dg-output "Address 0x\[0-9a-f\]+ is\[^\n\r]*frame
" } */ +/* { dg-output "\[^\n\r]*Address 0x\[0-9a-f\]+ is\[^\n\r]*frame
" } */ Index: b/src/gcc/testsuite/c-c++-common/asan/use-after-free-1.c =================================================================== --- a/src/gcc/testsuite/c-c++-common/asan/use-after-free-1.c +++ b/src/gcc/testsuite/c-c++-common/asan/use-after-free-1.c @@ -11,12 +11,12 @@ int main() { /* { dg-output "ERROR: AddressSanitizer:? heap-use-after-free on address\[^\n\r]*" } */ /* { dg-output "0x\[0-9a-f\]+ at pc 0x\[0-9a-f\]+ bp 0x\[0-9a-f\]+ sp 0x\[0-9a-f\]+\[^\n\r]*(\n|\r\n|\r)" } */ -/* { dg-output "READ of size 1 at 0x\[0-9a-f\]+ thread T0\[^\n\r]*(\n|\r\n|\r)" } */ +/* { dg-output "\[^\n\r]*READ of size 1 at 0x\[0-9a-f\]+ thread T0\[^\n\r]*(\n|\r\n|\r)" } */ /* { dg-output " #0 0x\[0-9a-f\]+ (in _*main (\[^\n\r]*use-after-free-1.c:9|\[^\n\r]*:0)|\[(\]).*(\n|\r\n|\r)" } */ -/* { dg-output "0x\[0-9a-f\]+ is located 5 bytes inside of 10-byte region .0x\[0-9a-f\]+,0x\[0-9a-f\]+\[^\n\r]*(\n|\r\n|\r)" } */ -/* { dg-output "freed by thread T0 here:\[^\n\r]*(\n|\r\n|\r)" } */ +/* { dg-output "\[^\n\r]*0x\[0-9a-f\]+ is located 5 bytes inside of 10-byte region .0x\[0-9a-f\]+,0x\[0-9a-f\]+\[^\n\r]*(\n|\r\n|\r)" } */ +/* { dg-output "\[^\n\r]*freed by thread T0 here:\[^\n\r]*(\n|\r\n|\r)" } */ /* { dg-output " #0 0x\[0-9a-f\]+ (in _*(interceptor_|)free|\[(\])\[^\n\r]*(\n|\r\n|\r)" } */ /* { dg-output " #1 0x\[0-9a-f\]+ (in _*main (\[^\n\r]*use-after-free-1.c:8|\[^\n\r]*:0)|\[(\]).*(\n|\r\n|\r)" } */ -/* { dg-output "previously allocated by thread T0 here:\[^\n\r]*(\n|\r\n|\r)" } */ +/* { dg-output "\[^\n\r]*previously allocated by thread T0 here:\[^\n\r]*(\n|\r\n|\r)" } */ /* { dg-output " #0 0x\[0-9a-f\]+ (in _*(interceptor_|)malloc|\[(\])\[^\n\r]*(\n|\r\n|\r)" } */ /* { dg-output " #1 0x\[0-9a-f\]+ (in _*main (\[^\n\r]*use-after-free-1.c:7|\[^\n\r]*:0)|\[(\])\[^\n\r]*(\n|\r\n|\r)" } */ Index: b/src/gcc/testsuite/c-c++-common/asan/clone-test-1.c =================================================================== --- a/src/gcc/testsuite/c-c++-common/asan/clone-test-1.c +++ b/src/gcc/testsuite/c-c++-common/asan/clone-test-1.c @@ -3,6 +3,7 @@ /* { dg-do run { target { *-*-linux* } } } */ /* { dg-require-effective-target clone } */ +/* { dg-require-effective-target hw } */ /* { dg-options "-D_GNU_SOURCE" } */ #include Index: b/src/gcc/testsuite/c-c++-common/asan/heap-overflow-1.c =================================================================== --- a/src/gcc/testsuite/c-c++-common/asan/heap-overflow-1.c +++ b/src/gcc/testsuite/c-c++-common/asan/heap-overflow-1.c @@ -25,7 +25,7 @@ int main(int argc, char **argv) { /* { dg-output "READ of size 1 at 0x\[0-9a-f\]+ thread T0.*(\n|\r\n|\r)" } */ /* { dg-output " #0 0x\[0-9a-f\]+ (in _*main (\[^\n\r]*heap-overflow-1.c:21|\[^\n\r]*:0)|\[(\]).*(\n|\r\n|\r)" } */ -/* { dg-output "0x\[0-9a-f\]+ is located 0 bytes to the right of 10-byte region\[^\n\r]*(\n|\r\n|\r)" } */ -/* { dg-output "allocated by thread T0 here:\[^\n\r]*(\n|\r\n|\r)" } */ +/* { dg-output "\[^\n\r]*0x\[0-9a-f\]+ is located 0 bytes to the right of 10-byte region\[^\n\r]*(\n|\r\n|\r)" } */ +/* { dg-output "\[^\n\r]*allocated by thread T0 here:\[^\n\r]*(\n|\r\n|\r)" } */ /* { dg-output " #0 0x\[0-9a-f\]+ (in _*(interceptor_|)malloc|\[(\])\[^\n\r]*(\n|\r\n|\r)" } */ /* { dg-output " #1 0x\[0-9a-f\]+ (in _*main (\[^\n\r]*heap-overflow-1.c:19|\[^\n\r]*:0)|\[(\])\[^\n\r]*(\n|\r\n|\r)" } */ Index: b/src/gcc/testsuite/c-c++-common/asan/null-deref-1.c =================================================================== --- a/src/gcc/testsuite/c-c++-common/asan/null-deref-1.c +++ b/src/gcc/testsuite/c-c++-common/asan/null-deref-1.c @@ -18,6 +18,6 @@ int main() /* { dg-output "ERROR: AddressSanitizer:? SEGV on unknown address\[^\n\r]*" } */ /* { dg-output "0x\[0-9a-f\]+ \[^\n\r]*pc 0x\[0-9a-f\]+\[^\n\r]*(\n|\r\n|\r)" } */ -/* { dg-output "AddressSanitizer can not provide additional info.*(\n|\r\n|\r)" } */ +/* { dg-output "\[^\n\r]*AddressSanitizer can not provide additional info.*(\n|\r\n|\r)" } */ /* { dg-output " #0 0x\[0-9a-f\]+ (in \[^\n\r]*NullDeref\[^\n\r]* (\[^\n\r]*null-deref-1.c:10|\[^\n\r]*:0)|\[(\])\[^\n\r]*(\n|\r\n|\r)" } */ /* { dg-output " #1 0x\[0-9a-f\]+ (in _*main (\[^\n\r]*null-deref-1.c:15|\[^\n\r]*:0)|\[(\])\[^\n\r]*(\n|\r\n|\r)" } */ Index: b/src/gcc/config/arm/arm.c =================================================================== --- a/src/gcc/config/arm/arm.c +++ b/src/gcc/config/arm/arm.c @@ -279,6 +279,7 @@ static unsigned arm_add_stmt_cost (void static void arm_canonicalize_comparison (int *code, rtx *op0, rtx *op1, bool op0_preserve_value); +static unsigned HOST_WIDE_INT arm_asan_shadow_offset (void); /* Table of machine attributes. */ static const struct attribute_spec arm_attribute_table[] = @@ -648,6 +649,9 @@ static const struct attribute_spec arm_a #define TARGET_CANONICALIZE_COMPARISON \ arm_canonicalize_comparison +#undef TARGET_ASAN_SHADOW_OFFSET +#define TARGET_ASAN_SHADOW_OFFSET arm_asan_shadow_offset + struct gcc_target targetm = TARGET_INITIALIZER; /* Obstack for minipool constant handling. */ @@ -27462,4 +27466,12 @@ arm_validize_comparison (rtx *comparison } +/* Implement the TARGET_ASAN_SHADOW_OFFSET hook. */ + +static unsigned HOST_WIDE_INT +arm_asan_shadow_offset (void) +{ + return (unsigned HOST_WIDE_INT) 1 << 29; +} + #include "gt-arm.h" Index: b/src/gcc/config/arm/linux-eabi.h =================================================================== --- a/src/gcc/config/arm/linux-eabi.h +++ b/src/gcc/config/arm/linux-eabi.h @@ -84,10 +84,14 @@ LINUX_OR_ANDROID_LD (LINUX_TARGET_LINK_SPEC, \ LINUX_TARGET_LINK_SPEC " " ANDROID_LINK_SPEC) +#undef ASAN_CC1_SPEC +#define ASAN_CC1_SPEC "%{fsanitize=*:-funwind-tables}" + #undef CC1_SPEC #define CC1_SPEC \ - LINUX_OR_ANDROID_CC (GNU_USER_TARGET_CC1_SPEC, \ - GNU_USER_TARGET_CC1_SPEC " " ANDROID_CC1_SPEC) + LINUX_OR_ANDROID_CC (GNU_USER_TARGET_CC1_SPEC " " ASAN_CC1_SPEC, \ + GNU_USER_TARGET_CC1_SPEC " " ASAN_CC1_SPEC " " \ + ANDROID_CC1_SPEC) #define CC1PLUS_SPEC \ LINUX_OR_ANDROID_CC ("", ANDROID_CC1PLUS_SPEC)