URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [exec/] [score/] [cpu/] [mips64orion/] [asm.h] - Rev 778
Go to most recent revision | Compare with Previous | Blame | View Log
/* 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. * * 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) 1994-1997. * On-Line Applications Research Corporation (OAR). * * $Id: asm.h,v 1.2 2001-09-27 11:59:28 chris Exp $ */ /* @(#)asm.h 03/15/96 1.1 */ #ifndef __NO_CPU_ASM_h #define __NO_CPU_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/mips64orion.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 */
Go to most recent revision | Compare with Previous | Blame | View Log