| SYS.h (171217) | SYS.h (184547) |
|---|---|
| 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/amd64/SYS.h 171217 2007-07-04 23:18:38Z peter $ | 33 * $FreeBSD: head/lib/libc/amd64/SYS.h 184547 2008-11-02 01:10:54Z peter $ |
| 34 */ 35 36#include <sys/syscall.h> 37#include <machine/asm.h> 38 39#ifdef PIC 40#define RSYSCALL(x) 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($SYS_,x),%rax; KERNCALL; jb 2f; ret; \ | 34 */ 35 36#include <sys/syscall.h> 37#include <machine/asm.h> 38 39#ifdef PIC 40#define RSYSCALL(x) ENTRY(__CONCAT(__sys_,x)); \ 41 .weak CNAME(x); \ 42 .set CNAME(x),CNAME(__CONCAT(__sys_,x)); \ 43 .weak CNAME(__CONCAT(_,x)); \ 44 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ 45 mov __CONCAT($SYS_,x),%rax; KERNCALL; jb 2f; ret; \ |
| 46 2: movq PIC_GOT(HIDENAME(cerror)),%rcx; jmp *%rcx | 46 2: movq PIC_GOT(HIDENAME(cerror)),%rcx; jmp *%rcx; \ 47 END(__CONCAT(__sys_,x)) |
| 47 48#define PSEUDO(x) ENTRY(__CONCAT(__sys_,x)); \ 49 .weak CNAME(__CONCAT(_,x)); \ 50 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ 51 mov __CONCAT($SYS_,x),%rax; KERNCALL; jb 2f; ret ; \ | 48 49#define PSEUDO(x) ENTRY(__CONCAT(__sys_,x)); \ 50 .weak CNAME(__CONCAT(_,x)); \ 51 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ 52 mov __CONCAT($SYS_,x),%rax; KERNCALL; jb 2f; ret ; \ |
| 52 2: movq PIC_GOT(HIDENAME(cerror)),%rcx; jmp *%rcx | 53 2: movq PIC_GOT(HIDENAME(cerror)),%rcx; jmp *%rcx; \ 54 END(__CONCAT(__sys_,x)) |
| 53#else 54#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)); \ 59 mov __CONCAT($SYS_,x),%rax; KERNCALL; jb 2f; ret; \ | 55#else 56#define RSYSCALL(x) ENTRY(__CONCAT(__sys_,x)); \ 57 .weak CNAME(x); \ 58 .set CNAME(x),CNAME(__CONCAT(__sys_,x)); \ 59 .weak CNAME(__CONCAT(_,x)); \ 60 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ 61 mov __CONCAT($SYS_,x),%rax; KERNCALL; jb 2f; ret; \ |
| 60 2: jmp HIDENAME(cerror) | 62 2: jmp HIDENAME(cerror); \ 63 END(__CONCAT(__sys_,x)) |
| 61 62#define PSEUDO(x) ENTRY(__CONCAT(__sys_,x)); \ 63 .weak CNAME(__CONCAT(_,x)); \ 64 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ 65 mov __CONCAT($SYS_,x),%rax; KERNCALL; jb 2f; ret; \ | 64 65#define PSEUDO(x) ENTRY(__CONCAT(__sys_,x)); \ 66 .weak CNAME(__CONCAT(_,x)); \ 67 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)); \ 68 mov __CONCAT($SYS_,x),%rax; KERNCALL; jb 2f; ret; \ |
| 66 2: jmp HIDENAME(cerror) | 69 2: jmp HIDENAME(cerror); \ 70 END(__CONCAT(__sys_,x)) |
| 67#endif 68 69#define KERNCALL movq %rcx, %r10; syscall | 71#endif 72 73#define KERNCALL movq %rcx, %r10; syscall |