[glibc.git] / sysdeps / unix / alpha / sysdep.h

/* Copyright (C) 1992, 1995, 1996 Free Software Foundation, Inc.
   Contributed by Brendan Kehoe (brendan@zen.org).

The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.

The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Library General Public License for more details.

You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB.  If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA.  */

#include <sysdeps/unix/sysdep.h>

#ifdef ASSEMBLER

#ifdef __linux__
# include <alpha/regdef.h>
#else
# include <regdef.h>
#endif

#ifdef __STDC__
#define LEAF(name, framesize)			\
  .globl name;					\
  .align 3;					\
  .ent name, 0;					\
  name##:					\
  .frame sp, framesize, ra
#else
#define LEAF(name, framesize)			\
  .globl name;					\
  .align 3;					\
  .ent name, 0;					\
  name/**/:					\
  .frame sp, framesize, ra
#endif

#ifdef __STDC__
#define ENTRY(name)				\
  .globl name;					\
  .align 3;					\
  .ent name, 0;					\
  name##:					\
  .frame sp, 0, ra
#else
#define ENTRY(name)				\
  .globl name;					\
  .align 3;					\
  .ent name, 0;					\
  name/**/:					\
  .frame sp, 0, ra
#endif

/* Mark the end of function SYM.  */
#undef END
#define END(sym)	.end sym

/* Note that PSEUDO/PSEUDO_END use label number 1996---do not use a
   label of that number between those two macros!  */
 
#ifdef __STDC__
#define PSEUDO(name, syscall_name, args)	\
    .globl name;				\
    .align 3;					\
    .ent name,0;				\
						\
name##:						\
    .frame sp, 0, ra				\
    .prologue 1; /* yes, we do use gp */	\
    ldiq	v0, SYS_ify(syscall_name);	\
    .set noat;					\
    call_pal	PAL_callsys;			\
    .set at;					\
    bne		a3, 1996f;			\
3:
#else
#define PSEUDO(name, syscall_name, args)	\
    .globl name;				\
    .align 3;					\
    .ent name,0;				\
						\
name/**/:					\
    .frame sp, 0, ra				\
    .prologue 1; /* yes, we do use gp */	\
    ldiq	v0, SYS_ify(syscall_name);	\
    .set noat;					\
    call_pal	PAL_callsys;			\
    .set at;					\
    bne		a3, 1996f;			\
3:
#endif

#undef PSEUDO_END

#define PSEUDO_END(sym)				\
1996:						\
    br		gp, 2f;				\
2:  ldgp	gp, 0(gp);			\
    jmp		zero, __syscall_error;		\
    END(sym)

#define r0	v0
#define r1	a4

#define MOVE(x,y)	mov x,y

#endif
Commit	Line	Data
b20e47cb RM	1	/* Copyright (C) 1992, 1995, 1996 Free Software Foundation, Inc.
	2	Contributed by Brendan Kehoe (brendan@zen.org).
	3
	4	The GNU C Library is free software; you can redistribute it and/or
	5	modify it under the terms of the GNU Library General Public License as
	6	published by the Free Software Foundation; either version 2 of the
	7	License, or (at your option) any later version.
	8
	9	The GNU C Library is distributed in the hope that it will be useful,
	10	but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	12	Library General Public License for more details.
	13
	14	You should have received a copy of the GNU Library General Public
	15	License along with the GNU C Library; see the file COPYING.LIB. If
	16	not, write to the Free Software Foundation, Inc., 675 Mass Ave,
	17	Cambridge, MA 02139, USA. */
	18
	19	#include <sysdeps/unix/sysdep.h>
	20
	21	#ifdef ASSEMBLER
	22
510ca033 RM	23	#ifdef __linux__
	24	# include <alpha/regdef.h>
	25	#else
	26	# include <regdef.h>
	27	#endif
	28
	29	#ifdef __STDC__
	30	#define LEAF(name, framesize) \
	31	.globl name; \
	32	.align 3; \
	33	.ent name, 0; \
	34	name##: \
	35	.frame sp, framesize, ra
	36	#else
	37	#define LEAF(name, framesize) \
	38	.globl name; \
	39	.align 3; \
	40	.ent name, 0; \
	41	name/**/: \
	42	.frame sp, framesize, ra
	43	#endif
	44
b20e47cb RM	45	#ifdef __STDC__
	46	#define ENTRY(name) \
	47	.globl name; \
	48	.align 3; \
510ca033	49	.ent name, 0; \
b20e47cb	50	name##: \
510ca033	51	.frame sp, 0, ra
b20e47cb RM	52	#else
	53	#define ENTRY(name) \
	54	.globl name; \
	55	.align 3; \
510ca033	56	.ent name, 0; \
b20e47cb	57	name/**/: \
510ca033	58	.frame sp, 0, ra
b20e47cb RM	59	#endif
b20e47cb RM	60
a1470b6f RM	61	/* Mark the end of function SYM. */
	62	#undef END
	63	#define END(sym) .end sym
	64
	65	/* Note that PSEUDO/PSEUDO_END use label number 1996---do not use a
	66	label of that number between those two macros! */
	67
b20e47cb RM	68	#ifdef __STDC__
	69	#define PSEUDO(name, syscall_name, args) \
	70	.globl name; \
	71	.align 3; \
	72	.ent name,0; \
	73	\
b20e47cb	74	name##: \
a1470b6f RM	75	.frame sp, 0, ra \
	76	.prologue 1; /* yes, we do use gp */ \
	77	ldiq v0, SYS_ify(syscall_name); \
b20e47cb RM	78	.set noat; \
	79	call_pal PAL_callsys; \
	80	.set at; \
a1470b6f	81	bne a3, 1996f; \
b20e47cb RM	82	3:
	83	#else
	84	#define PSEUDO(name, syscall_name, args) \
	85	.globl name; \
	86	.align 3; \
	87	.ent name,0; \
	88	\
b20e47cb	89	name/**/: \
a1470b6f RM	90	.frame sp, 0, ra \
	91	.prologue 1; /* yes, we do use gp */ \
	92	ldiq v0, SYS_ify(syscall_name); \
b20e47cb RM	93	.set noat; \
	94	call_pal PAL_callsys; \
	95	.set at; \
a1470b6f	96	bne a3, 1996f; \
b20e47cb RM	97	3:
	98	#endif
	99
a1470b6f RM	100	#undef PSEUDO_END
a1470b6f RM	101
3776d592	102	#define PSEUDO_END(sym) \
a1470b6f RM	103	1996: \
	104	br gp, 2f; \
	105	2: ldgp gp, 0(gp); \
	106	jmp zero, __syscall_error; \
	107	END(sym)
84724245	108
b20e47cb RM	109	#define r0 v0
	110	#define r1 a4
	111
	112	#define MOVE(x,y) mov x,y
	113
	114	#endif