Annotation of sys/arch/powerpc/include/asm.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: asm.h,v 1.7 2002/09/15 09:01:59 deraadt Exp $ */
2: /* $NetBSD: asm.h,v 1.1 1996/09/30 16:34:20 ws Exp $ */
3:
4: /*
5: * Copyright (C) 1995, 1996 Wolfgang Solfrank.
6: * Copyright (C) 1995, 1996 TooLs GmbH.
7: * All rights reserved.
8: *
9: * Redistribution and use in source and binary forms, with or without
10: * modification, are permitted provided that the following conditions
11: * are met:
12: * 1. Redistributions of source code must retain the above copyright
13: * notice, this list of conditions and the following disclaimer.
14: * 2. Redistributions in binary form must reproduce the above copyright
15: * notice, this list of conditions and the following disclaimer in the
16: * documentation and/or other materials provided with the distribution.
17: * 3. All advertising materials mentioning features or use of this software
18: * must display the following acknowledgement:
19: * This product includes software developed by TooLs GmbH.
20: * 4. The name of TooLs GmbH may not be used to endorse or promote products
21: * derived from this software without specific prior written permission.
22: *
23: * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
24: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26: * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
28: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
29: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
30: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
31: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
32: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33: */
34:
35: #ifndef _POWERPC_ASM_H_
36: #define _POWERPC_ASM_H_
37:
38: /* XXX */
39: #define TARGET_ELF
40:
41: #ifdef PIC
42: #define PIC_PROLOGUE XXX
43: #define PIC_EPILOGUE XXX
44: #ifdef __STDC__
45: #define PIC_PLT(x) x ## @plt
46: #define PIC_GOT(x) XXX
47: #define PIC_GOTOFF(x) XXX
48: #else /* not __STDC__ */
49: #define PIC_PLT(x) x/**/@plt
50: #define PIC_GOT(x) XXX
51: #define PIC_GOTOFF(x) XXX
52: #endif /* __STDC__ */
53: #else
54: #define PIC_PROLOGUE
55: #define PIC_EPILOGUE
56: #define PIC_PLT(x) x
57: #define PIC_GOT(x) x
58: #define PIC_GOTOFF(x) x
59: #endif
60:
61: #ifdef TARGET_AOUT
62: #ifdef __STDC__
63: # define _C_LABEL(x) _ ## x
64: #else
65: # define _C_LABEL(x) _/**/x
66: #endif
67: #endif
68:
69: #ifdef TARGET_ELF
70: # define _C_LABEL(x) x
71: #endif
72: #define _ASM_LABEL(x) x
73:
74: #ifdef __STDC__
75: # define _TMP_LABEL(x) .L_ ## x
76: #else
77: # define _TMP_LABEL(x) .L_/**/x
78: #endif
79:
80: #define _ENTRY(x) \
81: .text; .align 2; .globl x; .type x,@function; x:
82:
83: #ifdef PROF
84: # define _PROF_PROLOGUE(y) \
85: .section ".data"; \
86: .align 2; \
87: _TMP_LABEL(y):; \
88: .long 0; \
89: .section ".text"; \
90: mflr 0; \
91: addis 11, 11, _TMP_LABEL(y)@ha; \
92: stw 0, 4(1); \
93: addi 0, 11,_TMP_LABEL(y)@l; \
94: bl _mcount;
95: #else
96: # define _PROF_PROLOGUE(y)
97: #endif
98:
99: #define ENTRY(y) _ENTRY(_C_LABEL(y)); _PROF_PROLOGUE(y)
100: #define ASENTRY(y) _ENTRY(_ASM_LABEL(y)); _PROF_PROLOGUE(y)
101:
102: #define ASMSTR .asciz
103:
104: #define RCSID(x) .text; .asciz x
105:
106: #endif /* !_POWERPC_ASM_H_ */
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