asmmacro.h

来自「this SRC packet is the headfiles that MI」· C头文件 代码 · 共 56 行

#ifndef _ASM_IA64_ASMMACRO_H
#define _ASM_IA64_ASMMACRO_H

/*
 * Copyright (C) 2000-2001 Hewlett-Packard Co
 * Copyright (C) 2000-2001 David Mosberger-Tang <[e-mail]>
 */

#define ENTRY(name)				\
	.align 32;				\
	.proc name;				\
name:

#define GLOBAL_ENTRY(name)			\
	.global name;				\
	ENTRY(name)

#define END(name)				\
	.endp name

/*
 * Helper macros to make unwind directives more readable:
 */

/* prologue_gr: */
#define ASM_UNW_PRLG_RP			0x8
#define ASM_UNW_PRLG_PFS		0x4
#define ASM_UNW_PRLG_PSP		0x2
#define ASM_UNW_PRLG_PR			0x1
#define ASM_UNW_PRLG_GRSAVE(ninputs)	(32+(ninputs))

/*
 * Helper macros for accessing user memory.
 */

	.section "__ex_table", "a"		// declare section & section attributes
	.previous

#if __GNUC__ >= 3
# define EX(y,x...)					\
	.xdata4 "__ex_table", @gprel(99f), @gprel(y);	\
  [99:]	x
# define EXCLR(y,x...)					\
	.xdata4 "__ex_table", @gprel(99f), @gprel(y)+4;	\
  [99:]	x
#else
# define EX(y,x...)					\
	.xdata4 "__ex_table", @gprel(99f), @gprel(y);	\
  99:	x
# define EXCLR(y,x...)					\
	.xdata4 "__ex_table", @gprel(99f), @gprel(y)+4;	\
  99:	x
#endif

#endif /* _ASM_IA64_ASMMACRO_H */