--- mstools/h/setjmp.h	2018/08/09 18:20:27	1.1.1.2
+++ mstools/h/setjmp.h	2018/08/09 18:25:19	1.1.1.5
@@ -1,7 +1,7 @@
 /***
 *setjmp.h - definitions/declarations for setjmp/longjmp routines
 *
-*	Copyright (c) 1985-1992, Microsoft Corporation. All rights reserved.
+*	Copyright (c) 1985-1993, Microsoft Corporation. All rights reserved.
 *
 *Purpose:
 *	This file defines the machine-dependent buffer used by
@@ -9,63 +9,191 @@
 *	declarations for those routines.
 *	[ANSI/System V]
 *
-*******************************************************************************/
+****/
 
 #ifndef _INC_SETJMP
 
-#ifndef __cplusplus
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 
-#ifndef MIPS
-#if (_MSC_VER <= 600)
-#define __cdecl _cdecl
-#endif
+/*
+ * Conditional macro definition for function calling type and variable type
+ * qualifiers.
+ */
+#if   ( (_MSC_VER >= 800) && (_M_IX86 >= 300) )
+
+/*
+ * Definitions for MS C8-32 (386/486) compiler
+ */
+#define _CRTAPI1 __cdecl
+#define _CRTAPI2 __cdecl
+
+#else
+
+/*
+ * Other compilers (e.g., MIPS)
+ */
+#define _CRTAPI1
+#define _CRTAPI2
+
 #endif
 
 
 
-#ifdef	i386
 
-#define setjmp	_setjmp
+/*
+ * Definitions specific to particular setjmp implementations.
+ */
+#ifdef	_M_IX86
 
+/*
+ * MS C8-32 or older MS C6-386 compilers
+ */
+#ifndef _INC_SETJMPEX
+#define setjmp	_setjmp
+#endif
 #define _JBLEN	8
+#define _JBTYPE int
+
+/*
+ * Define jump buffer layout for x86 setjmp/longjmp.
+ */
+
+typedef struct __JUMP_BUFFER {
+    unsigned long Ebp;
+    unsigned long Ebx;
+    unsigned long Edi;
+    unsigned long Esi;
+    unsigned long Esp;
+    unsigned long Eip;
+    unsigned long Registration;
+    unsigned long TryLevel;
+} _JUMP_BUFFER;
 
 #else
 
 /*
- * _setjmp compiler intrinsic does not work with current Win32
- * implementation so map it to setjmp
+ * Assume compiler implements setjmp as a function
  */
-#ifdef M_MRX000
-#pragma intrinsic(_setjmp)
-#define setjmp _setjmp
-#else
-#define _setjmp	setjmp
+#define _setjmp setjmp
+
 #endif
 
-#ifdef MIPS
-#define _JBLEN  2       /* virtual frame and target ip */
+
+#if     defined(_M_MRX000) || defined(_MIPS_)
+/*
+ * All MIPS implementations need _JBLEN of 16
+ */
+#define _JBLEN  16
+#define _JBTYPE double
+
+/*
+ * Define jump buffer layout for MIPS setjmp/longjmp.
+ */
+
+typedef struct __JUMP_BUFFER {
+    unsigned long FltF20;
+    unsigned long FltF21;
+    unsigned long FltF22;
+    unsigned long FltF23;
+    unsigned long FltF24;
+    unsigned long FltF25;
+    unsigned long FltF26;
+    unsigned long FltF27;
+    unsigned long FltF28;
+    unsigned long FltF29;
+    unsigned long FltF30;
+    unsigned long FltF31;
+    unsigned long IntS0;
+    unsigned long IntS1;
+    unsigned long IntS2;
+    unsigned long IntS3;
+    unsigned long IntS4;
+    unsigned long IntS5;
+    unsigned long IntS6;
+    unsigned long IntS7;
+    unsigned long IntS8;
+    unsigned long IntSp;
+    unsigned long Type;
+    unsigned long Fir;
+} _JUMP_BUFFER;
+
 #endif
 
+
+#if defined(_ALPHA_)
+
+/*
+ * The Alpha C8/GEM C compiler uses an intrinsic _setjmp.
+ * The Alpha acc compiler implements setjmp as a function.
+ */
+
+#ifdef _MSC_VER
+#ifndef _INC_SETJMPEX
+#undef _setjmp
+#define setjmp	_setjmp
 #endif
+#endif
+
+/*
+ * Alpha implementations use a _JBLEN of 24 quadwords.
+ * A double is used only to obtain quadword size and alignment.
+ */
+
+#define _JBLEN  24
+#define _JBTYPE double
+
+/* 
+ * Define jump buffer layout for Alpha setjmp/longjmp.
+ * A double is used only to obtain quadword size and alignment.
+ */
 
+typedef struct __JUMP_BUFFER {
+    unsigned long Fp;
+    unsigned long Pc;
+    unsigned long Seb;
+    unsigned long Type;
+    double FltF2;
+    double FltF3;
+    double FltF4;
+    double FltF5;
+    double FltF6;
+    double FltF7;
+    double FltF8;
+    double FltF9;
+    double IntS0;
+    double IntS1;
+    double IntS2;
+    double IntS3;
+    double IntS4;
+    double IntS5;
+    double IntS6;
+    double IntSp;
+    double Fir;
+    double Fill[5];
+} _JUMP_BUFFER;
 
+#endif
 
 
 /* define the buffer type for holding the state information */
 
 #ifndef _JMP_BUF_DEFINED
-typedef  int  jmp_buf[_JBLEN];
+typedef _JBTYPE jmp_buf[_JBLEN];
 #define _JMP_BUF_DEFINED
 #endif
 
 
 /* function prototypes */
 
-int _setjmp(jmp_buf);
-void longjmp(jmp_buf, int);
+int _CRTAPI1 setjmp(jmp_buf);
+void _CRTAPI1 longjmp(jmp_buf, int);
 
-#endif	/* __cplusplus */
+#ifdef __cplusplus
+}
+#endif
 
 #define _INC_SETJMP
 #endif	/* _INC_SETJMP */