safestack build fix for freebsd i386

Author: devnexen

compiler-rt/lib/safestack/safestack_platform.h

@@ -143,6 +143,8 @@ inline void *Mmap(void *addr, size_t length, int prot, int flags, int fd,
   return __mmap(addr, length, prot, flags, fd, 0, offset);
 #elif SANITIZER_FREEBSD && (defined(__aarch64__) || defined(__x86_64__))
   return (void *)__syscall(SYS_mmap, addr, length, prot, flags, fd, offset);
+#elif SANITIZER_FREEBSD && (defined(__i386__))
+  return (void *)syscall(SYS_mmap, addr, length, prot, flags, fd, offset);
 #elif SANITIZER_SOLARIS
   return _REAL64(mmap)(addr, length, prot, flags, fd, offset);
 #elif SANITIZER_LINUX_USES_64BIT_SYSCALLS

compiler-rt/lib/sanitizer_common/sanitizer_linux.cpp

@@ -2180,20 +2180,20 @@ static const char *RegNumToRegName(int reg) {
   return NULL;
 }
 
-#if SANITIZER_LINUX
+#  if SANITIZER_LINUX
 UNUSED
 static void DumpSingleReg(ucontext_t *ctx, int RegNum) {
   const char *RegName = RegNumToRegName(RegNum);
-#  if defined(__x86_64__)
+#    if defined(__x86_64__)
   Printf("%s%s = 0x%016llx  ", internal_strlen(RegName) == 2 ? " " : "",
          RegName, ctx->uc_mcontext.gregs[RegNum]);
-#  elif defined(__i386__)
+#    elif defined(__i386__)
   Printf("%s = 0x%08x  ", RegName, ctx->uc_mcontext.gregs[RegNum]);
-#  else
+#    else
   (void)RegName;
-#  endif
+#    endif
 }
-#endif
+#  endif
 
 void SignalContext::DumpAllRegisters(void *context) {
   ucontext_t *ucontext = (ucontext_t *)context;