| SYS.h (171217) | SYS.h (184548) |
|---|---|
| 1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 16 unchanged lines hidden (view full) --- 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)SYS.h 5.5 (Berkeley) 5/7/91 | 1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 16 unchanged lines hidden (view full) --- 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)SYS.h 5.5 (Berkeley) 5/7/91 |
| 33 * $FreeBSD: head/lib/libc/i386/SYS.h 171217 2007-07-04 23:18:38Z peter $ | 33 * $FreeBSD: head/lib/libc/i386/SYS.h 184548 2008-11-02 01:28:47Z peter $ |
| 34 */ 35 36#include <sys/syscall.h> 37#include <machine/asm.h> 38 39#define SYSCALL(x) 2: PIC_PROLOGUE; jmp PIC_PLT(HIDENAME(cerror)); \ 40 ENTRY(__CONCAT(__sys_,x)); \ 41 .weak CNAME(x); \ 42 .set CNAME(x),CNAME(__CONCAT(__sys_,x)); \ 43 .weak CNAME(__CONCAT(_,x)); \ 44 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ 45 mov __CONCAT($SYS_,x),%eax; KERNCALL; jb 2b 46 | 34 */ 35 36#include <sys/syscall.h> 37#include <machine/asm.h> 38 39#define SYSCALL(x) 2: PIC_PROLOGUE; jmp PIC_PLT(HIDENAME(cerror)); \ 40 ENTRY(__CONCAT(__sys_,x)); \ 41 .weak CNAME(x); \ 42 .set CNAME(x),CNAME(__CONCAT(__sys_,x)); \ 43 .weak CNAME(__CONCAT(_,x)); \ 44 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ 45 mov __CONCAT($SYS_,x),%eax; KERNCALL; jb 2b 46 |
| 47#define RSYSCALL(x) SYSCALL(x); ret | 47#define RSYSCALL(x) SYSCALL(x); ret; END(__CONCAT(__sys_,x)) |
| 48 49#define PSEUDO(x) 2: PIC_PROLOGUE; jmp PIC_PLT(HIDENAME(cerror)); \ 50 ENTRY(__CONCAT(__sys_,x)); \ 51 .weak CNAME(__CONCAT(_,x)); \ 52 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ | 48 49#define PSEUDO(x) 2: PIC_PROLOGUE; jmp PIC_PLT(HIDENAME(cerror)); \ 50 ENTRY(__CONCAT(__sys_,x)); \ 51 .weak CNAME(__CONCAT(_,x)); \ 52 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ |
| 53 mov __CONCAT($SYS_,x),%eax; KERNCALL; jb 2b; ret | 53 mov __CONCAT($SYS_,x),%eax; KERNCALL; jb 2b; ret; \ 54 END(__CONCAT(__sys_,x)) |
| 54 55/* gas messes up offset -- although we don't currently need it, do for BCS */ 56#define LCALL(x,y) .byte 0x9a ; .long y; .word x 57 58#define KERNCALL int $0x80 | 55 56/* gas messes up offset -- although we don't currently need it, do for BCS */ 57#define LCALL(x,y) .byte 0x9a ; .long y; .word x 58 59#define KERNCALL int $0x80 |