Imported gcc-4.4.3

[msp430-gcc.git] / boehm-gc / setjmp_t.c

diff --git a/boehm-gc/setjmp_t.c b/boehm-gc/setjmp_t.c
deleted file mode 100644 (file)
index 07686ef..0000000
--- a/boehm-gc/setjmp_t.c
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * Copyright (c) 1991-1994 by Xerox Corporation.  All rights reserved.
- *
- * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
- * OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
- *
- * Permission is hereby granted to use or copy this program
- * for any purpose,  provided the above notices are retained on all copies.
- * Permission to modify the code and to distribute modified code is granted,
- * provided the above notices are retained, and a notice that the code was
- * modified is included with the above copyright notice.
- */
- 
-/* Check whether setjmp actually saves registers in jmp_buf. */
-/* If it doesn't, the generic mark_regs code won't work.     */
-/* Compilers vary as to whether they will put x in a        */
-/* (callee-save) register without -O.  The code is          */
-/* contrived such that any decent compiler should put x in   */
-/* a callee-save register with -O.  Thus it is is           */
-/* recommended that this be run optimized.  (If the machine  */
-/* has no callee-save registers, then the generic code is    */
-/* safe, but this will not be noticed by this piece of       */
-/* code.)  This test appears to be far from perfect.        */
-#include <stdio.h>
-#include <setjmp.h>
-#include <string.h>
-#include "private/gcconfig.h"
-
-#ifdef OS2
-/* GETPAGESIZE() is set to getpagesize() by default, but that  */
-/* doesn't really exist, and the collector doesn't need it.    */
-#define INCL_DOSFILEMGR
-#define INCL_DOSMISC
-#define INCL_DOSERRORS
-#include <os2.h>
-
-int
-getpagesize()
-{
-    ULONG result[1];
-    
-    if (DosQuerySysInfo(QSV_PAGE_SIZE, QSV_PAGE_SIZE,
-                       (void *)result, sizeof(ULONG)) != NO_ERROR) {
-       fprintf(stderr, "DosQuerySysInfo failed\n");
-       result[0] = 4096;
-    }
-    return((int)(result[0]));
-}
-#endif
-
-struct {char a_a; char * a_b;} a;
-
-int * nested_sp()
-{
-    int dummy;
-    
-    return(&dummy);
-}
-
-main()
-{
-       int dummy;
-       long ps = GETPAGESIZE();
-       jmp_buf b;
-       register int x = (int)strlen("a");  /* 1, slightly disguised */
-       static int y = 0;
-
-       printf("This appears to be a %s running %s\n", MACH_TYPE, OS_TYPE);
-       if (nested_sp() < &dummy) {
-         printf("Stack appears to grow down, which is the default.\n");
-         printf("A good guess for STACKBOTTOM on this machine is 0x%lx.\n",
-                ((unsigned long)(&dummy) + ps) & ~(ps-1));
-       } else {
-         printf("Stack appears to grow up.\n");
-         printf("Define STACK_GROWS_UP in gc_private.h\n");
-         printf("A good guess for STACKBOTTOM on this machine is 0x%lx.\n",
-                ((unsigned long)(&dummy) + ps) & ~(ps-1));
-       }
-       printf("Note that this may vary between machines of ostensibly\n");
-       printf("the same architecture (e.g. Sun 3/50s and 3/80s).\n");
-       printf("On many machines the value is not fixed.\n");
-       printf("A good guess for ALIGNMENT on this machine is %ld.\n",
-              (unsigned long)(&(a.a_b))-(unsigned long)(&a));
-       
-       /* Encourage the compiler to keep x in a callee-save register */
-       x = 2*x-1;
-       printf("");
-       x = 2*x-1;
-       setjmp(b);
-       if (y == 1) {
-           if (x == 2) {
-               printf("Generic mark_regs code probably wont work\n");
-#              if defined(SPARC) || defined(RS6000) || defined(VAX) || defined(MIPS) || defined(M68K) || defined(I386) || defined(NS32K) || defined(RT)
-                   printf("Assembly code supplied\n");
-#              else
-                   printf("Need assembly code\n");
-#              endif
-           } else if (x == 1) {
-               printf("Generic mark_regs code may work\n");
-           } else {
-               printf("Very strange setjmp implementation\n");
-           }
-       }
-       y++;
-       x = 2;
-       if (y == 1) longjmp(b,1);
-       return(0);
-}
-
-int g(x)
-int x;
-{
-       return(x);
-}