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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [score/] [cpu/] [a29k/] [asm.h] - Blame information for rev 738

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/*  asm.h
 *
 *  This include file attempts to address the problems
 *  caused by incompatible flavors of assemblers and
 *  toolsets.  It primarily addresses variations in the
 *  use of leading underscores on symbols and the requirement
 *  that register names be preceded by a %.
 *
 *
 *  NOTE: The spacing in the use of these macros
 *        is critical to them working as advertised.
 *
 *  !!! THIS FILE DOES NOT APPEAR TO HAVE BEEN USED IN THE 29K PORT !!!
 *
 *  COPYRIGHT:
 *
 *  This file is based on similar code found in newlib available
 *  from ftp.cygnus.com.  The file which was used had no copyright
 *  notice.  This file is freely distributable as long as the source
 *  of the file is noted.  This file is:
 *
 *  COPYRIGHT (c) 1989-1997
 *  On-Line Applications Research Corporation (OAR).
 *
 *  $Id: asm.h,v 1.2 2001-09-27 11:59:21 chris Exp $
 */
 
#ifndef __A29K_ASM_h
#define __A29K_ASM_h
 
/*
 *  Indicate we are in an assembly file and get the basic CPU definitions.
 */
 
#ifndef ASM
#define ASM
#endif
#include <rtems/score/targopts.h>
#include <rtems/score/asm.h>
 
/*
 *  Recent versions of GNU cpp define variables which indicate the
 *  need for underscores and percents.  If not using GNU cpp or
 *  the version does not support this, then you will obviously
 *  have to define these as appropriate.
 */
 
#ifndef __USER_LABEL_PREFIX__
#define __USER_LABEL_PREFIX__ _
#endif
 
#ifndef __REGISTER_PREFIX__
#define __REGISTER_PREFIX__
#endif
 
/* ANSI concatenation macros.  */
 
#define CONCAT1(a, b) CONCAT2(a, b)
#define CONCAT2(a, b) a ## b
 
/* Use the right prefix for global labels.  */
 
#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
 
/* Use the right prefix for registers.  */
 
#define REG(x) CONCAT1 (__REGISTER_PREFIX__, x)
 
/*
 *  define macros for all of the registers on this CPU
 *
 *  EXAMPLE:     #define d0 REG (d0)
 */
 
/*
 *  Define macros to handle section beginning and ends.
 */
 
 
#define BEGIN_CODE_DCL .text
#define END_CODE_DCL
#define BEGIN_DATA_DCL .data
#define END_DATA_DCL
#define BEGIN_CODE .text
#define END_CODE
#define BEGIN_DATA
#define END_DATA
#define BEGIN_BSS
#define END_BSS
#define END
 
/*
 *  Following must be tailor for a particular flavor of the C compiler.
 *  They may need to put underscores in front of the symbols.
 */
 
#define PUBLIC(sym) .globl SYM (sym)
#define EXTERN(sym) .globl SYM (sym)
 
#endif
/* end of include file */
 
 

Line No.	Rev	Author	Line
1	30	unneback	`/* asm.h`
2			`*`
3			`* This include file attempts to address the problems`
4			`* caused by incompatible flavors of assemblers and`
5			`* toolsets. It primarily addresses variations in the`
6			`* use of leading underscores on symbols and the requirement`
7			`* that register names be preceded by a %.`
8			`*`
9			`*`
10			`* NOTE: The spacing in the use of these macros`
11			`* is critical to them working as advertised.`
12			`*`
13			`* !!! THIS FILE DOES NOT APPEAR TO HAVE BEEN USED IN THE 29K PORT !!!`
14			`*`
15			`* COPYRIGHT:`
16			`*`
17			`* This file is based on similar code found in newlib available`
18			`* from ftp.cygnus.com. The file which was used had no copyright`
19			`* notice. This file is freely distributable as long as the source`
20			`* of the file is noted. This file is:`
21			`*`
22			`* COPYRIGHT (c) 1989-1997`
23			`* On-Line Applications Research Corporation (OAR).`
24			`*`
25			`* $Id: asm.h,v 1.2 2001-09-27 11:59:21 chris Exp $`
26			`*/`
27
28			`#ifndef __A29K_ASM_h`
29			`#define __A29K_ASM_h`
30
31			`/*`
32			`* Indicate we are in an assembly file and get the basic CPU definitions.`
33			`*/`
34
35			`#ifndef ASM`
36			`#define ASM`
37			`#endif`
38			`#include <rtems/score/targopts.h>`
39			`#include <rtems/score/asm.h>`
40
41			`/*`
42			`* Recent versions of GNU cpp define variables which indicate the`
43			`* need for underscores and percents. If not using GNU cpp or`
44			`* the version does not support this, then you will obviously`
45			`* have to define these as appropriate.`
46			`*/`
47
48			`#ifndef __USER_LABEL_PREFIX__`
49			`#define __USER_LABEL_PREFIX__ _`
50			`#endif`
51
52			`#ifndef __REGISTER_PREFIX__`
53			`#define __REGISTER_PREFIX__`
54			`#endif`
55
56			`/* ANSI concatenation macros. */`
57
58			`#define CONCAT1(a, b) CONCAT2(a, b)`
59			`#define CONCAT2(a, b) a ## b`
60
61			`/* Use the right prefix for global labels. */`
62
63			`#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)`
64
65			`/* Use the right prefix for registers. */`
66
67			`#define REG(x) CONCAT1 (__REGISTER_PREFIX__, x)`
68
69			`/*`
70			`* define macros for all of the registers on this CPU`
71			`*`
72			`* EXAMPLE: #define d0 REG (d0)`
73			`*/`
74
75			`/*`
76			`* Define macros to handle section beginning and ends.`
77			`*/`
78
79
80			`#define BEGIN_CODE_DCL .text`
81			`#define END_CODE_DCL`
82			`#define BEGIN_DATA_DCL .data`
83			`#define END_DATA_DCL`
84			`#define BEGIN_CODE .text`
85			`#define END_CODE`
86			`#define BEGIN_DATA`
87			`#define END_DATA`
88			`#define BEGIN_BSS`
89			`#define END_BSS`
90			`#define END`
91
92			`/*`
93			`* Following must be tailor for a particular flavor of the C compiler.`
94			`* They may need to put underscores in front of the symbols.`
95			`*/`
96
97			`#define PUBLIC(sym) .globl SYM (sym)`
98			`#define EXTERN(sym) .globl SYM (sym)`
99
100			`#endif`
101			`/* end of include file */`
102
103

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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [score/] [cpu/] [a29k/] [asm.h] - Blame information for rev 738