diff --git a/libc/Android.mk b/libc/Android.mk
index 1981d0b..351ad02 100644
--- a/libc/Android.mk
+++ b/libc/Android.mk
@@ -393,6 +393,7 @@
 	arch-x86/bionic/_exit_with_stack_teardown.S \
 	arch-x86/bionic/setjmp.S \
 	arch-x86/bionic/_setjmp.S \
+	arch-x86/bionic/sigsetjmp.S \
 	arch-x86/bionic/vfork.S \
 	arch-x86/bionic/syscall.S \
 	arch-x86/string/bcopy_wrapper.S \
diff --git a/libc/arch-x86/bionic/sigsetjmp.S b/libc/arch-x86/bionic/sigsetjmp.S
new file mode 100644
index 0000000..c990a05
--- /dev/null
+++ b/libc/arch-x86/bionic/sigsetjmp.S
@@ -0,0 +1,92 @@
+/* $OpenBSD: sigsetjmp.S,v 1.7 2005/08/07 11:30:38 espie Exp $ */
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <machine/asm.h>
+
+ENTRY(sigsetjmp)
+	movl	4(%esp),%ecx
+	movl	8(%esp),%eax
+	movl	%eax,28(%ecx)
+	testl	%eax,%eax
+	jz	1f
+
+	PIC_PROLOGUE
+	pushl	$0
+#ifdef PIC
+	call	PIC_PLT(_C_LABEL(sigblock))
+#else
+	call	_C_LABEL(sigblock)
+#endif
+	addl	$4,%esp
+	PIC_EPILOGUE
+
+	movl	4(%esp),%ecx
+	movl	%eax,24(%ecx)
+1:	movl	0(%esp),%edx
+	movl	%edx, 0(%ecx)
+	movl	%ebx, 4(%ecx)
+	movl	%esp, 8(%ecx)
+	movl	%ebp,12(%ecx)
+	movl	%esi,16(%ecx)
+	movl	%edi,20(%ecx)
+	xorl	%eax,%eax
+	ret
+
+ENTRY(siglongjmp)
+	movl	4(%esp),%edx
+	cmpl	$0,28(%edx)
+	jz	1f
+
+	PIC_PROLOGUE
+	pushl	24(%edx)
+#ifdef PIC
+	call	PIC_PLT(_C_LABEL(sigsetmask))
+#else
+	call	_C_LABEL(sigsetmask)
+#endif
+	addl	$4,%esp
+	PIC_EPILOGUE
+
+1:	movl	4(%esp),%edx
+	movl	8(%esp),%eax
+	movl	0(%edx),%ecx
+	movl	4(%edx),%ebx
+	movl	8(%edx),%esp
+	movl	12(%edx),%ebp
+	movl	16(%edx),%esi
+	movl	20(%edx),%edi
+	testl	%eax,%eax
+	jnz	2f
+	incl	%eax
+2:	movl	%ecx,0(%esp)
+	ret
diff --git a/libc/kernel/arch-arm/asm/byteorder.h b/libc/kernel/arch-arm/asm/byteorder.h
index 4da37bf..b869695 100644
--- a/libc/kernel/arch-arm/asm/byteorder.h
+++ b/libc/kernel/arch-arm/asm/byteorder.h
@@ -22,7 +22,7 @@
 #ifndef __thumb__
  if (!__builtin_constant_p(x)) {
 
- asm ("eor\t%0, %1, %1, ror #16" : "=r" (t) : "r" (x));
+ __asm__ ("eor\t%0, %1, %1, ror #16" : "=r" (t) : "r" (x));
  } else
 #endif
  t = x ^ ((x << 16) | (x >> 16));
diff --git a/libc/kernel/tools/clean_header.py b/libc/kernel/tools/clean_header.py
index 28cb05e..dad9120 100755
--- a/libc/kernel/tools/clean_header.py
+++ b/libc/kernel/tools/clean_header.py
@@ -71,6 +71,7 @@
     list.removeEmptyLines()
     list.removeMacroDefines( kernel_ignored_macros )
     list.insertDisclaimer( kernel.kernel_disclaimer )
+    list.replaceTokens( kernel_token_replacements )
 
     out = StringOutput()
     list.write(out)
diff --git a/libc/kernel/tools/defaults.py b/libc/kernel/tools/defaults.py
index b35f72b..ca7e6bb 100644
--- a/libc/kernel/tools/defaults.py
+++ b/libc/kernel/tools/defaults.py
@@ -43,6 +43,11 @@
     "x86": {"__i386__": "1"},
     }
 
+# Replace tokens in the output according to this mapping
+kernel_token_replacements = {
+    {"asm": "__asm__"},
+    }
+
 # this is the set of known static inline functions that we want to keep
 # in the final ARM headers. this is only used to keep optimized byteswapping
 # static functions and stuff like that.