diff options
Diffstat (limited to 'lib/sanitizer_common/sanitizer_linux.cc')
| -rw-r--r-- | lib/sanitizer_common/sanitizer_linux.cc | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/lib/sanitizer_common/sanitizer_linux.cc b/lib/sanitizer_common/sanitizer_linux.cc index 5c5a1a61a6570..76cdc72a0f0c0 100644 --- a/lib/sanitizer_common/sanitizer_linux.cc +++ b/lib/sanitizer_common/sanitizer_linux.cc @@ -99,7 +99,7 @@ const int FUTEX_WAKE = 1; # define SANITIZER_LINUX_USES_64BIT_SYSCALLS 0 #endif -#if defined(__x86_64__) +#if defined(__x86_64__) || SANITIZER_MIPS64 extern "C" { extern void internal_sigreturn(); } @@ -671,7 +671,7 @@ int internal_sigaction_norestorer(int signum, const void *act, void *oldact) { // Invokes sigaction via a raw syscall with a restorer, but does not support // all platforms yet. // We disable for Go simply because we have not yet added to buildgo.sh. -#if defined(__x86_64__) && !SANITIZER_GO +#if (defined(__x86_64__) || SANITIZER_MIPS64) && !SANITIZER_GO int internal_sigaction_syscall(int signum, const void *act, void *oldact) { if (act == nullptr) return internal_sigaction_norestorer(signum, act, oldact); @@ -801,8 +801,9 @@ bool ThreadLister::GetDirectoryEntries() { uptr GetPageSize() { // Android post-M sysconf(_SC_PAGESIZE) crashes if called from .preinit_array. -#if (SANITIZER_LINUX && (defined(__x86_64__) || defined(__i386__))) || \ - SANITIZER_ANDROID +#if SANITIZER_ANDROID + return 4096; +#elif SANITIZER_LINUX && (defined(__x86_64__) || defined(__i386__)) return EXEC_PAGESIZE; #else return sysconf(_SC_PAGESIZE); // EXEC_PAGESIZE may not be trustworthy. @@ -1229,7 +1230,7 @@ bool IsHandledDeadlySignal(int signum) { return (signum == SIGSEGV || signum == SIGBUS) && common_flags()->handle_segv; } -#ifndef SANITIZER_GO +#if !SANITIZER_GO void *internal_start_thread(void(*func)(void *arg), void *arg) { // Start the thread with signals blocked, otherwise it can steal user signals. __sanitizer_sigset_t set, old; @@ -1291,10 +1292,6 @@ SignalContext::WriteFlag SignalContext::GetWriteFlag(void *context) { #elif defined(__arm__) static const uptr FSR_WRITE = 1U << 11; uptr fsr = ucontext->uc_mcontext.error_code; - // FSR bits 5:0 describe the abort type, and are never 0 (or so it seems). - // Zero FSR indicates an older kernel that does not pass this information to - // the userspace. - if (fsr == 0) return UNKNOWN; return fsr & FSR_WRITE ? WRITE : READ; #elif defined(__aarch64__) static const u64 ESR_ELx_WNR = 1U << 6; @@ -1307,6 +1304,10 @@ SignalContext::WriteFlag SignalContext::GetWriteFlag(void *context) { #endif } +void SignalContext::DumpAllRegisters(void *context) { + // FIXME: Implement this. +} + void GetPcSpBp(void *context, uptr *pc, uptr *sp, uptr *bp) { #if defined(__arm__) ucontext_t *ucontext = (ucontext_t*)context; @@ -1392,6 +1393,11 @@ void MaybeReexec() { // No need to re-exec on Linux. } +uptr FindAvailableMemoryRange(uptr size, uptr alignment, uptr left_padding) { + UNREACHABLE("FindAvailableMemoryRange is not available"); + return 0; +} + } // namespace __sanitizer #endif // SANITIZER_FREEBSD || SANITIZER_LINUX |