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
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * from: @(#)DEFS.h 5.1 (Berkeley) 4/23/90
| 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
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * from: @(#)DEFS.h 5.1 (Berkeley) 4/23/90
|
34 */
35
36#ifndef _MACHINE_ASM_H_
37#define _MACHINE_ASM_H_
38
39#include <sys/cdefs.h>
40
41#ifdef PIC
42#define PIC_PLT(x) x@PLT
43#define PIC_GOT(x) x@GOTPCREL(%rip)
44#else
45#define PIC_PLT(x) x
46#endif
47
48/*
49 * CNAME and HIDENAME manage the relationship between symbol names in C
50 * and the equivalent assembly language names. CNAME is given a name as
51 * it would be used in a C program. It expands to the equivalent assembly
52 * language name. HIDENAME is given an assembly-language name, and expands
53 * to a possibly-modified form that will be invisible to C programs.
54 */
55#define CNAME(csym) csym
56#define HIDENAME(asmsym) .asmsym
57
58#define _START_ENTRY .text; .p2align 4,0x90
59
60#define _ENTRY(x) _START_ENTRY; \
61 .globl CNAME(x); .type CNAME(x),@function; CNAME(x):
62
63#ifdef PROF
64#define ALTENTRY(x) _ENTRY(x); \
65 pushq %rbp; movq %rsp,%rbp; \
66 call PIC_PLT(HIDENAME(mcount)); \
67 popq %rbp; \
68 jmp 9f
69#define ENTRY(x) _ENTRY(x); \
70 pushq %rbp; movq %rsp,%rbp; \
71 call PIC_PLT(HIDENAME(mcount)); \
72 popq %rbp; \
73 9:
74#else
75#define ALTENTRY(x) _ENTRY(x)
76#define ENTRY(x) _ENTRY(x)
77#endif
78
79#define END(x) .size x, . - x
| 34 */
35
36#ifndef _MACHINE_ASM_H_
37#define _MACHINE_ASM_H_
38
39#include <sys/cdefs.h>
40
41#ifdef PIC
42#define PIC_PLT(x) x@PLT
43#define PIC_GOT(x) x@GOTPCREL(%rip)
44#else
45#define PIC_PLT(x) x
46#endif
47
48/*
49 * CNAME and HIDENAME manage the relationship between symbol names in C
50 * and the equivalent assembly language names. CNAME is given a name as
51 * it would be used in a C program. It expands to the equivalent assembly
52 * language name. HIDENAME is given an assembly-language name, and expands
53 * to a possibly-modified form that will be invisible to C programs.
54 */
55#define CNAME(csym) csym
56#define HIDENAME(asmsym) .asmsym
57
58#define _START_ENTRY .text; .p2align 4,0x90
59
60#define _ENTRY(x) _START_ENTRY; \
61 .globl CNAME(x); .type CNAME(x),@function; CNAME(x):
62
63#ifdef PROF
64#define ALTENTRY(x) _ENTRY(x); \
65 pushq %rbp; movq %rsp,%rbp; \
66 call PIC_PLT(HIDENAME(mcount)); \
67 popq %rbp; \
68 jmp 9f
69#define ENTRY(x) _ENTRY(x); \
70 pushq %rbp; movq %rsp,%rbp; \
71 call PIC_PLT(HIDENAME(mcount)); \
72 popq %rbp; \
73 9:
74#else
75#define ALTENTRY(x) _ENTRY(x)
76#define ENTRY(x) _ENTRY(x)
77#endif
78
79#define END(x) .size x, . - x
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