[uClibc-cvs] uClibc/libc/sysdeps/linux/powerpc mmap.c, NONE, 1.1 ioctl.c, 1.1, 1.2 _mmap.c, 1.5, NONE

Erik Andersen andersen at uclibc.org
Wed Jan 21 23:27:48 UTC 2004


Update of /var/cvs/uClibc/libc/sysdeps/linux/powerpc
In directory nail:/tmp/cvs-serv30526/sysdeps/linux/powerpc

Modified Files:
	ioctl.c 
Added Files:
	mmap.c 
Removed Files:
	_mmap.c 
Log Message:
Split up syscalls.c, since it had grown to be quite large and ugly.
 -Erik


--- _mmap.c DELETED ---

Index: ioctl.c
===================================================================
RCS file: /var/cvs/uClibc/libc/sysdeps/linux/powerpc/ioctl.c,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -d -r1.1 -r1.2
--- ioctl.c	18 Feb 2003 05:48:07 -0000	1.1
+++ ioctl.c	21 Jan 2004 23:27:44 -0000	1.2
@@ -24,7 +24,9 @@
 /* The user-visible size of struct termios has changed.  Catch ioctl calls
    using the new-style struct termios, and translate them to old-style.  */
 
-extern int __syscall_ioctl (int fd, unsigned long int request, ...);
+#define __NR___syscall_ioctl __NR_ioctl
+_syscall3(int, __syscall_ioctl, int, fd, unsigned long int, request, void *, arg);
+
 
 int ioctl (int fd, unsigned long int request, ...)
 {

--- NEW FILE: mmap.c ---

#include <unistd.h>
#include <sys/mman.h>
#include <errno.h>
#include <sys/syscall.h>

#define __syscall_clobbers \
	"r9", "r10", "r11", "r12"
#define __syscall_return(type) \
	return (__sc_err & 0x10000000 ? errno = __sc_ret, __sc_ret = -1 : 0), \
	       (type) __sc_ret

void * mmap(void *start, size_t length, int prot, int flags, int fd,
	off_t offset)
{
	unsigned long __sc_ret, __sc_err;
	register unsigned long __sc_0 __asm__ ("r0");
	register unsigned long __sc_3 __asm__ ("r3");
	register unsigned long __sc_4 __asm__ ("r4");
	register unsigned long __sc_5 __asm__ ("r5");
	register unsigned long __sc_6 __asm__ ("r6");
	register unsigned long __sc_7 __asm__ ("r7");
	register unsigned long __sc_8 __asm__ ("r8");

	__sc_3 = (unsigned long) start;
	__sc_4 = (unsigned long) length;
	__sc_5 = (unsigned long) prot;
	__sc_6 = (unsigned long) flags;
	__sc_7 = (unsigned long) fd;
	__sc_8 = (unsigned long) offset;
	__sc_0 = __NR_mmap;
	__asm__ __volatile__
		("sc		\n\t"
		 "mfcr %1	"
		: "=&r" (__sc_3), "=&r" (__sc_0)
		: "0"   (__sc_3), "1"   (__sc_0),
		  "r"   (__sc_4),
		  "r"   (__sc_5),
		  "r"   (__sc_6),
		  "r"   (__sc_7),
		  "r"   (__sc_8)
		: __syscall_clobbers);
	__sc_ret = __sc_3;
	__sc_err = __sc_0;

	__syscall_return (void *);
}





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