X-Git-Url: https://git.saurik.com/apple/libc.git/blobdiff_plain/59e0d9fe772464b93d835d2a2964457702469a43..ad3c9f2af814c84582fdd1649e49ec4f68572c5a:/include/setjmp.h

diff --git a/include/setjmp.h b/include/setjmp.h
index 8726872..8e6b4a8 100644
--- a/include/setjmp.h
+++ b/include/setjmp.h
@@ -3,8 +3,6 @@
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
- * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
@@ -25,6 +23,66 @@
 #ifndef _BSD_SETJMP_H
 #define _BSD_SETJMP_H
 
-#include <machine/setjmp.h>
+#include <sys/cdefs.h>
+
+#if defined(__x86_64__)
+/*
+ * _JBLEN is number of ints required to save the following:
+ * rflags, rip, rbp, rsp, rbx, r12, r13, r14, r15... these are 8 bytes each
+ * mxcsr, fp control word, sigmask... these are 4 bytes each
+ * add 16 ints for future expansion needs...
+ */
+#define _JBLEN ((9 * 2) + 3 + 16)
+typedef int jmp_buf[_JBLEN];
+typedef int sigjmp_buf[_JBLEN + 1];
+
+#elif defined(__i386__)
+
+/*
+ * _JBLEN is number of ints required to save the following:
+ * eax, ebx, ecx, edx, edi, esi, ebp, esp, ss, eflags, eip,
+ * cs, de, es, fs, gs == 16 ints
+ * onstack, mask = 2 ints
+ */
+
+#define _JBLEN (18)
+typedef int jmp_buf[_JBLEN];
+typedef int sigjmp_buf[_JBLEN + 1];
+
+#elif defined(__arm__)
+
+#include <machine/signal.h>
+
+/*
+ *	_JBLEN is number of ints required to save the following:
+ *	r4-r8, r10, fp, sp, lr, sig  == 10 register_t sized
+ *	s16-s31 == 16 register_t sized + 1 int for FSTMX
+ *	1 extra int for future use
+ */
+#define _JBLEN		(10 + 16 + 2)
+#define _JBLEN_MAX	_JBLEN
+
+typedef int jmp_buf[_JBLEN];
+typedef int sigjmp_buf[_JBLEN + 1];
+
+#else
+#	error Undefined platform for setjmp
+#endif
+
+__BEGIN_DECLS
+extern int	setjmp(jmp_buf);
+extern void longjmp(jmp_buf, int) __dead2;
+
+#ifndef _ANSI_SOURCE
+int	_setjmp(jmp_buf);
+void	_longjmp(jmp_buf, int) __dead2;
+int	sigsetjmp(sigjmp_buf, int);
+void	siglongjmp(sigjmp_buf, int) __dead2;
+#endif /* _ANSI_SOURCE  */
+
+#if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
+void	longjmperror(void);
+#endif /* neither ANSI nor POSIX */
+__END_DECLS
 
 #endif /* _BSD_SETJMP_H */