| SYS.h (115279) | SYS.h (126107) |
|---|---|
| 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 --- 20 unchanged lines hidden (view full) --- 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)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 --- 20 unchanged lines hidden (view full) --- 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)SYS.h 5.5 (Berkeley) 5/7/91 |
| 37 * $FreeBSD: head/lib/libc/amd64/SYS.h 115279 2003-05-24 17:35:23Z peter $ | 37 * $FreeBSD: head/lib/libc/amd64/SYS.h 126107 2004-02-22 02:11:39Z peter $ |
| 38 */ 39 40#include <sys/syscall.h> 41#include <machine/asm.h> 42 43#ifdef PIC | 38 */ 39 40#include <sys/syscall.h> 41#include <machine/asm.h> 42 43#ifdef PIC |
| 44#define SYSCALL(x) 2: movq PIC_GOT(HIDENAME(cerror)),%rcx; \ 45 jmp *%rcx; \ 46 ENTRY(__CONCAT(__sys_,x)); \ | 44#define RSYSCALL(x) ENTRY(__CONCAT(__sys_,x)); \ |
| 47 .weak CNAME(x); \ 48 .set CNAME(x),CNAME(__CONCAT(__sys_,x)); \ 49 .weak CNAME(__CONCAT(_,x)); \ 50 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ | 45 .weak CNAME(x); \ 46 .set CNAME(x),CNAME(__CONCAT(__sys_,x)); \ 47 .weak CNAME(__CONCAT(_,x)); \ 48 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ |
| 51 mov __CONCAT($SYS_,x),%rax; KERNCALL; jb 2b | 49 mov __CONCAT($SYS_,x),%rax; KERNCALL; jb 2f; ret; \ 50 2: movq PIC_GOT(HIDENAME(cerror)),%rcx; jmp *%rcx |
| 52#else | 51#else |
| 53#define SYSCALL(x) 2: jmp HIDENAME(cerror); \ 54 ENTRY(__CONCAT(__sys_,x)); \ | 52#define RSYSCALL(x) ENTRY(__CONCAT(__sys_,x)); \ |
| 55 .weak CNAME(x); \ 56 .set CNAME(x),CNAME(__CONCAT(__sys_,x)); \ 57 .weak CNAME(__CONCAT(_,x)); \ 58 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ | 53 .weak CNAME(x); \ 54 .set CNAME(x),CNAME(__CONCAT(__sys_,x)); \ 55 .weak CNAME(__CONCAT(_,x)); \ 56 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ |
| 59 mov __CONCAT($SYS_,x),%rax; KERNCALL; jb 2b | 57 mov __CONCAT($SYS_,x),%rax; KERNCALL; jb 2f; ret; \ 58 2: jmp HIDENAME(cerror) |
| 60#endif 61 | 59#endif 60 |
| 62#define RSYSCALL(x) SYSCALL(x); ret 63 | |
| 64#define PSEUDO(x) ENTRY(__CONCAT(__sys_,x)); \ 65 .weak CNAME(__CONCAT(_,x)); \ 66 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ 67 mov __CONCAT($SYS_,x),%rax; KERNCALL; ret 68 69#define KERNCALL movq %rcx, %r10; syscall | 61#define PSEUDO(x) ENTRY(__CONCAT(__sys_,x)); \ 62 .weak CNAME(__CONCAT(_,x)); \ 63 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ 64 mov __CONCAT($SYS_,x),%rax; KERNCALL; ret 65 66#define KERNCALL movq %rcx, %r10; syscall |