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Diffstat (limited to 'contrib/gdb/libiberty/getpagesize.c')
-rw-r--r-- | contrib/gdb/libiberty/getpagesize.c | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/contrib/gdb/libiberty/getpagesize.c b/contrib/gdb/libiberty/getpagesize.c deleted file mode 100644 index e9784b8..0000000 --- a/contrib/gdb/libiberty/getpagesize.c +++ /dev/null @@ -1,89 +0,0 @@ -/* Emulation of getpagesize() for systems that need it. */ - -/* - -NAME - - getpagesize -- return the number of bytes in page of memory - -SYNOPSIS - - int getpagesize (void) - -DESCRIPTION - - Returns the number of bytes in a page of memory. This is the - granularity of many of the system memory management routines. - No guarantee is made as to whether or not it is the same as the - basic memory management hardware page size. - -BUGS - - Is intended as a reasonable replacement for systems where this - is not provided as a system call. The value of 4096 may or may - not be correct for the systems where it is returned as the default - value. - -*/ - -#ifndef VMS - -#include <sys/types.h> -#ifndef NO_SYS_PARAM_H -#include <sys/param.h> -#endif - -#ifdef HAVE_SYSCONF -#include <unistd.h> -#define GNU_OUR_PAGESIZE sysconf(_SC_PAGESIZE) -#else -#ifdef PAGESIZE -#define GNU_OUR_PAGESIZE PAGESIZE -#else /* no PAGESIZE */ -#ifdef EXEC_PAGESIZE -#define GNU_OUR_PAGESIZE EXEC_PAGESIZE -#else /* no EXEC_PAGESIZE */ -#ifdef NBPG -#define GNU_OUR_PAGESIZE (NBPG * CLSIZE) -#ifndef CLSIZE -#define CLSIZE 1 -#endif /* CLSIZE */ -#else /* no NBPG */ -#ifdef NBPC -#define GNU_OUR_PAGESIZE NBPC -#else /* no NBPC */ -#define GNU_OUR_PAGESIZE 4096 /* Just punt and use reasonable value */ -#endif /* NBPC */ -#endif /* NBPG */ -#endif /* EXEC_PAGESIZE */ -#endif /* PAGESIZE */ -#endif /* HAVE_SYSCONF */ - -int -getpagesize () -{ - return (GNU_OUR_PAGESIZE); -} - -#else /* VMS */ - -#if 0 /* older distributions of gcc-vms are missing <syidef.h> */ -#include <syidef.h> -#endif -#ifndef SYI$_PAGE_SIZE /* VMS V5.4 and earlier didn't have this yet */ -#define SYI$_PAGE_SIZE 4452 -#endif -extern unsigned long lib$getsyi(const unsigned short *,...); - -int getpagesize () -{ - long pagsiz = 0L; - unsigned short itmcod = SYI$_PAGE_SIZE; - - (void) lib$getsyi (&itmcod, (void *) &pagsiz); - if (pagsiz == 0L) - pagsiz = 512L; /* VAX default */ - return (int) pagsiz; -} - -#endif /* VMS */ |