URL
https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk
Subversion Repositories openrisc_me
[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.c-torture/] [execute/] [loop-2g.c] - Rev 377
Go to most recent revision | Compare with Previous | Blame | View Log
#include <limits.h> #ifdef __unix__ /* ??? Is that good enough? */ #include <sys/types.h> #include <sys/mman.h> #include <sys/stat.h> #include <fcntl.h> #ifndef MAP_ANON #ifdef MAP_ANONYMOUS #define MAP_ANON MAP_ANONYMOUS #else #define MAP_ANON MAP_FILE #endif #endif #ifndef MAP_FILE #define MAP_FILE 0 #endif #ifndef MAP_FIXED #define MAP_FIXED 0 #endif #endif #define MAP_START (void *)0x7fff8000 #define MAP_LEN 0x10000 #define OFFSET (MAP_LEN/2 - 2 * sizeof (char)); f (int s, char *p) { int i; for (i = s; &p[i] < &p[40] && i >= 0; i++) { p[i] = -2; } } main () { #ifdef MAP_ANON char *p; int dev_zero; dev_zero = open ("/dev/zero", O_RDONLY); /* -1 is OK when we have MAP_ANON; else mmap will flag an error. */ if (INT_MAX != 0x7fffffffL || sizeof (char *) != sizeof (int)) exit (0); p = mmap (MAP_START, MAP_LEN, PROT_READ|PROT_WRITE, MAP_ANON|MAP_FIXED|MAP_PRIVATE, dev_zero, 0); if (p != (char *)-1) { p += OFFSET; p[39] = 0; f (0, p); if (p[39] != (char)-2) abort (); p[39] = 0; f (-1, p); if (p[39] != 0) abort (); } #endif exit (0); }
Go to most recent revision | Compare with Previous | Blame | View Log