[apple/xnu.git] / osfmk / i386 / asm.h

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code 
 * as defined in and that are subject to the Apple Public Source License 
 * Version 2.0 (the 'License'). You may not use this file except in 
 * compliance with the License.  The rights granted to you under the 
 * License may not be used to create, or enable the creation or 
 * redistribution of, unlawful or unlicensed copies of an Apple operating 
 * system, or to circumvent, violate, or enable the circumvention or 
 * violation of, any terms of an Apple operating system software license 
 * agreement.
 *
 * Please obtain a copy of the License at 
 * http://www.opensource.apple.com/apsl/ and read it before using this 
 * file.
 *
 * The Original Code and all software distributed under the License are 
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
 * Please see the License for the specific language governing rights and 
 * limitations under the License.
 *
 * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
 */
/*
 * @OSF_COPYRIGHT@
 */
/* 
 * Mach Operating System
 * Copyright (c) 1991,1990,1989 Carnegie Mellon University
 * All Rights Reserved.
 * 
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 * 
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 * 
 * Carnegie Mellon requests users of this software to return to
 * 
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 * 
 * any improvements or extensions that they make and grant Carnegie Mellon
 * the rights to redistribute these changes.
 */

#ifndef	_I386_ASM_H_
#define	_I386_ASM_H_

#ifdef _KERNEL
#include <gprof.h>
#endif	/* _KERNEL */

#ifdef MACH_KERNEL
#include <mach_kdb.h>
#else	/* !MACH_KERNEL */
#define	MACH_KDB 0
#endif	/* !MACH_KERNEL */


#if	defined(MACH_KERNEL) || defined(_KERNEL)
#include <gprof.h>
#endif	/* MACH_KERNEL || _KERNEL */


#define S_PC	 0(%esp)
#define S_ARG0	 4(%esp)
#define S_ARG1	 8(%esp)
#define S_ARG2	12(%esp)
#define S_ARG3	16(%esp)

#define FRAME	pushl %ebp; movl %esp, %ebp
#define EMARF	leave

#define B_LINK	 0(%ebp)
#define B_PC	 4(%ebp)
#define B_ARG0	 8(%ebp)
#define B_ARG1	12(%ebp)
#define B_ARG2	16(%ebp)
#define B_ARG3	20(%ebp)

/* There is another definition of ALIGN for .c sources */
#ifdef ASSEMBLER
#define ALIGN 2,0x90
#endif /* ASSEMBLER */

#ifndef FALIGN
#define FALIGN ALIGN
#endif

#define LB(x,n) n
#if	__STDC__
#ifndef __NO_UNDERSCORES__
#define	LCL(x)	L ## x
#define EXT(x) _ ## x
#define LEXT(x) _ ## x ## :
#else
#define	LCL(x)	.L ## x
#define EXT(x) x
#define LEXT(x) x ## :
#endif
#define LBc(x,n) n ## :
#define LBb(x,n) n ## b
#define LBf(x,n) n ## f
#else /* __STDC__ */
#ifndef __NO_UNDERSCORES__
#define LCL(x) L/**/x
#define EXT(x) _/**/x
#define LEXT(x) _/**/x/**/:
#else /* __NO_UNDERSCORES__ */
#define	LCL(x)	.L/**/x
#define EXT(x) x
#define LEXT(x) x/**/:
#endif /* __NO_UNDERSCORES__ */
#define LBc(x,n) n/**/:
#define LBb(x,n) n/**/b
#define LBf(x,n) n/**/f
#endif /* __STDC__ */

#define SVC .byte 0x9a; .long 0; .word 0x7

#define RPC_SVC .byte 0x9a; .long 0; .word 0xf

#define String	.asciz
#define Value	.word
#define Times(a,b) (a*b)
#define Divide(a,b) (a/b)

#define INB	inb	%dx, %al
#define OUTB	outb	%al, %dx
#define INL	inl	%dx, %eax
#define OUTL	outl	%eax, %dx

#define data16	.byte 0x66
#define addr16	.byte 0x67

#if !GPROF
#define MCOUNT

#elif defined(__SHARED__)
#define MCOUNT		; .data;\
			.align ALIGN;\
			LBc(x, 8) .long 0;\
			.text;\
			Gpush;\
			Gload;\
			leal Gotoff(LBb(x,8)),%edx;\
			Egaddr(%eax,_mcount_ptr);\
			Gpop;\
			call *(%eax);

#else	/* !GPROF, !__SHARED__ */
#define MCOUNT		; call mcount;
#endif /* GPROF */

#ifdef __ELF__
#define ELF_FUNC(x)	.type x,@function
#define ELF_DATA(x)	.type x,@object
#define ELF_SIZE(x,s)	.size x,s
#else
#define ELF_FUNC(x)
#define ELF_DATA(x)
#define ELF_SIZE(x,s)
#endif

#define	Entry(x)	.globl EXT(x); ELF_FUNC(EXT(x)); .align FALIGN; LEXT(x)
#define	ENTRY(x)	Entry(x) MCOUNT
#define	ENTRY2(x,y)	.globl EXT(x); .globl EXT(y); \
			ELF_FUNC(EXT(x)); ELF_FUNC(EXT(y)); \
			.align FALIGN; LEXT(x); LEXT(y) \
			MCOUNT
#if __STDC__
#define	ASENTRY(x) 	.globl x; .align FALIGN; x ## : ELF_FUNC(x) MCOUNT
#else
#define	ASENTRY(x) 	.globl x; .align FALIGN; x: ELF_FUNC(x) MCOUNT
#endif /* __STDC__ */

#define	DATA(x)		.globl EXT(x); ELF_DATA(EXT(x)); .align ALIGN; LEXT(x)

#define End(x)		ELF_SIZE(x,.-x)
#define END(x)		End(EXT(x))
#define ENDDATA(x)	END(x)
#define Enddata(x)	End(x)

/*
 * ELF shared library accessor macros.
 * Gpush saves the %ebx register used for the GOT address
 * Gpop pops %ebx if we need a GOT
 * Gload loads %ebx with the GOT address if shared libraries are used
 * Gcall calls an external function.
 * Gotoff allows you to reference local labels.
 * Gotoff2 allows you to reference local labels with an index reg.
 * Gotoff3 allows you to reference local labels with an index reg & size.
 * Gaddr loads up a register with an address of an external item.
 * Gstack is the number of bytes that Gpush pushes on the stack.
 *
 * Varients of the above with E or L prefixes do EXT(name) or LCL(name)
 * respectively.
 */

#ifndef __SHARED__
#define Gpush
#define Gpop
#define Gload
#define Gcall(func)		call func
#define Gotoff(lab)		lab
#define Gotoff2(l,r)		l(r)
#define Gotoff3(l,r,s)		l(,r,s)
#define Gaddr(to,lab)		movl $lab,to
#define Gcmp(lab,reg)		cmpl $lab,reg
#define Gmemload(lab,reg)	movl lab,reg
#define Gmemstore(reg,lab,tmp)	movl reg,lab
#define Gstack			0

#else
#ifdef __ELF__			/* ELF shared libraries */
#define Gpush			pushl %ebx
#define Gpop			popl %ebx
#define Gload			call 9f; 9: popl %ebx; addl $_GLOBAL_OFFSET_TABLE_+[.-9b],%ebx
#define Gcall(func)		call EXT(func)@PLT
#define Gotoff(lab)		lab@GOTOFF(%ebx)
#define Gotoff2(l,r)		l@GOTOFF(%ebx,r)
#define Gotoff3(l,r,s)		l@GOTOFF(%ebx,r,s)
#define Gaddr(to,lab)		movl lab@GOT(%ebx),to
#define Gcmp(lab,reg)		cmpl reg,lab@GOT(%ebx)
#define Gmemload(lab,reg)	movl lab@GOT(%ebx),reg; movl (reg),reg
#define Gmemstore(reg,lab,tmp)	movl lab@GOT(%ebx),tmp; movl reg,(tmp)
#define Gstack			4

#else				/* ROSE shared libraries */
#define Gpush
#define Gpop
#define Gload
#define Gcall(func)		call *9f; .data; .align ALIGN; 9: .long func; .text
#define Gotoff(lab)		lab
#define Gotoff2(l,r)		l(r)
#define Gotoff3(l,r,s)		l(,r,s)
#define Gaddr(to,lab)		movl 9f,to; .data; .align ALIGN; 9: .long lab; .text
#define Gcmp(lab,reg)		cmpl reg,9f; .data; .align ALIGN; 9: .long lab; .text
#define Gmemload(lab,reg)	movl 9f,reg; movl (reg),reg; .data; .align ALIGN; 9: .long lab; .text
#define Gmemstore(reg,lab,tmp)	movl 9f,tmp; movl reg,(tmp); .data; .align ALIGN; 9: .long lab; .text
#define Gstack			0
#endif	/* __ELF__ */
#endif	/* __SHARED__ */

/* Egotoff is not provided, since external symbols should not use @GOTOFF
   relocations.  */
#define Egcall(func)		Gcall(EXT(func))
#define Egaddr(to,lab)		Gaddr(to,EXT(lab))
#define Egcmp(lab,reg)		Gcmp(EXT(lab),reg)
#define Egmemload(lab,reg)	Gmemload(EXT(lab),reg)
#define Egmemstore(reg,lab,tmp)	Gmemstore(reg,EXT(lab),tmp)

#define Lgotoff(lab)		Gotoff(LCL(lab))
#define Lgotoff2(l,r)		Gotoff2(LCL(l),r)
#define Lgotoff3(l,r,s)		Gotoff3(LCL(l),r,s)
#define Lgcmp(lab,reg)		Gcmp(LCL(lab),reg)
#define Lgmemload(lab,reg)	movl Lgotoff(lab),reg
#define Lgmemstore(reg,lab,tmp)	movl reg,Lgotoff(lab)

#ifdef ASSEMBLER
#if	MACH_KDB
#include <ddb/stab.h>
/*
 * This pseudo-assembler line is added so that there will be at least
 *	one N_SO entry in the symbol stable to define the current file name.
 */
#endif	/* MACH_KDB */

#else /* NOT ASSEMBLER */

/* These defines are here for .c files that wish to reference global symbols
 * within __asm__ statements. 
 */
#ifndef __NO_UNDERSCORES__
#define CC_SYM_PREFIX "_"
#else
#define CC_SYM_PREFIX ""
#endif /* __NO_UNDERSCORES__ */
#endif /* ASSEMBLER */

#endif /* _I386_ASM_H_ */
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
8ad349bb	4	* @APPLE_LICENSE_OSREFERENCE_HEADER_START@
1c79356b	5	*
8ad349bb A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the
	10	* License may not be used to create, or enable the creation or
	11	* redistribution of, unlawful or unlicensed copies of an Apple operating
	12	* system, or to circumvent, violate, or enable the circumvention or
	13	* violation of, any terms of an Apple operating system software license
	14	* agreement.
	15	*
	16	* Please obtain a copy of the License at
	17	* http://www.opensource.apple.com/apsl/ and read it before using this
	18	* file.
	19	*
	20	* The Original Code and all software distributed under the License are
	21	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	22	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	23	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	24	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	25	* Please see the License for the specific language governing rights and
	26	* limitations under the License.
	27	*
	28	* @APPLE_LICENSE_OSREFERENCE_HEADER_END@
1c79356b A	29	*/
	30	/*
	31	* @OSF_COPYRIGHT@
	32	*/
	33	/*
	34	* Mach Operating System
	35	* Copyright (c) 1991,1990,1989 Carnegie Mellon University
	36	* All Rights Reserved.
	37	*
	38	* Permission to use, copy, modify and distribute this software and its
	39	* documentation is hereby granted, provided that both the copyright
	40	* notice and this permission notice appear in all copies of the
	41	* software, derivative works or modified versions, and any portions
	42	* thereof, and that both notices appear in supporting documentation.
	43	*
	44	* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
	45	* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
	46	* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
	47	*
	48	* Carnegie Mellon requests users of this software to return to
	49	*
	50	* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
	51	* School of Computer Science
	52	* Carnegie Mellon University
	53	* Pittsburgh PA 15213-3890
	54	*
	55	* any improvements or extensions that they make and grant Carnegie Mellon
	56	* the rights to redistribute these changes.
	57	*/
	58
	59	#ifndef _I386_ASM_H_
	60	#define _I386_ASM_H_
	61
	62	#ifdef _KERNEL
	63	#include <gprof.h>
	64	#endif /* _KERNEL */
	65
	66	#ifdef MACH_KERNEL
	67	#include <mach_kdb.h>
	68	#else /* !MACH_KERNEL */
	69	#define MACH_KDB 0
	70	#endif /* !MACH_KERNEL */
	71
	72
	73	#if defined(MACH_KERNEL) \|\| defined(_KERNEL)
	74	#include <gprof.h>
	75	#endif /* MACH_KERNEL \|\| _KERNEL */
	76
	77
91447636	78	#define S_PC 0(%esp)
1c79356b A	79	#define S_ARG0 4(%esp)
	80	#define S_ARG1 8(%esp)
	81	#define S_ARG2 12(%esp)
	82	#define S_ARG3 16(%esp)
	83
	84	#define FRAME pushl %ebp; movl %esp, %ebp
	85	#define EMARF leave
	86
91447636 A	87	#define B_LINK 0(%ebp)
91447636 A	88	#define B_PC 4(%ebp)
1c79356b A	89	#define B_ARG0 8(%ebp)
	90	#define B_ARG1 12(%ebp)
	91	#define B_ARG2 16(%ebp)
	92	#define B_ARG3 20(%ebp)
	93
	94	/* There is another definition of ALIGN for .c sources */
	95	#ifdef ASSEMBLER
8ad349bb	96	#define ALIGN 2,0x90
1c79356b A	97	#endif /* ASSEMBLER */
	98
	99	#ifndef FALIGN
	100	#define FALIGN ALIGN
	101	#endif
	102
	103	#define LB(x,n) n
	104	#if __STDC__
	105	#ifndef __NO_UNDERSCORES__
	106	#define LCL(x) L ## x
	107	#define EXT(x) _ ## x
	108	#define LEXT(x) _ ## x ## :
	109	#else
	110	#define LCL(x) .L ## x
	111	#define EXT(x) x
	112	#define LEXT(x) x ## :
	113	#endif
	114	#define LBc(x,n) n ## :
	115	#define LBb(x,n) n ## b
	116	#define LBf(x,n) n ## f
	117	#else /* __STDC__ */
	118	#ifndef __NO_UNDERSCORES__
	119	#define LCL(x) L/**/x
	120	#define EXT(x) _/**/x
	121	#define LEXT(x) _//x//:
	122	#else /* __NO_UNDERSCORES__ */
	123	#define LCL(x) .L/**/x
	124	#define EXT(x) x
	125	#define LEXT(x) x/**/:
	126	#endif /* __NO_UNDERSCORES__ */
	127	#define LBc(x,n) n/**/:
	128	#define LBb(x,n) n/**/b
	129	#define LBf(x,n) n/**/f
	130	#endif /* __STDC__ */
	131
	132	#define SVC .byte 0x9a; .long 0; .word 0x7
	133
	134	#define RPC_SVC .byte 0x9a; .long 0; .word 0xf
	135
	136	#define String .asciz
	137	#define Value .word
	138	#define Times(a,b) (a*b)
	139	#define Divide(a,b) (a/b)
	140
	141	#define INB inb %dx, %al
	142	#define OUTB outb %al, %dx
	143	#define INL inl %dx, %eax
	144	#define OUTL outl %eax, %dx
	145
	146	#define data16 .byte 0x66
	147	#define addr16 .byte 0x67
	148
	149	#if !GPROF
	150	#define MCOUNT
	151
	152	#elif defined(__SHARED__)
	153	#define MCOUNT ; .data;\
	154	.align ALIGN;\
	155	LBc(x, 8) .long 0;\
	156	.text;\
	157	Gpush;\
	158	Gload;\
	159	leal Gotoff(LBb(x,8)),%edx;\
	160	Egaddr(%eax,_mcount_ptr);\
161	Gpop;\
162	call *(%eax);
163
164	#else /* !GPROF, !__SHARED__ */
91447636	165	#define MCOUNT ; call mcount;
1c79356b A	166	#endif /* GPROF */
	167
	168	#ifdef __ELF__
	169	#define ELF_FUNC(x) .type x,@function
	170	#define ELF_DATA(x) .type x,@object
	171	#define ELF_SIZE(x,s) .size x,s
	172	#else
	173	#define ELF_FUNC(x)
	174	#define ELF_DATA(x)
	175	#define ELF_SIZE(x,s)
	176	#endif
	177
	178	#define Entry(x) .globl EXT(x); ELF_FUNC(EXT(x)); .align FALIGN; LEXT(x)
	179	#define ENTRY(x) Entry(x) MCOUNT
	180	#define ENTRY2(x,y) .globl EXT(x); .globl EXT(y); \
	181	ELF_FUNC(EXT(x)); ELF_FUNC(EXT(y)); \
	182	.align FALIGN; LEXT(x); LEXT(y) \
	183	MCOUNT
	184	#if __STDC__
	185	#define ASENTRY(x) .globl x; .align FALIGN; x ## : ELF_FUNC(x) MCOUNT
	186	#else
	187	#define ASENTRY(x) .globl x; .align FALIGN; x: ELF_FUNC(x) MCOUNT
	188	#endif /* __STDC__ */
	189
	190	#define DATA(x) .globl EXT(x); ELF_DATA(EXT(x)); .align ALIGN; LEXT(x)
	191
	192	#define End(x) ELF_SIZE(x,.-x)
	193	#define END(x) End(EXT(x))
	194	#define ENDDATA(x) END(x)
	195	#define Enddata(x) End(x)
	196
	197	/*
	198	* ELF shared library accessor macros.
	199	* Gpush saves the %ebx register used for the GOT address
	200	* Gpop pops %ebx if we need a GOT
	201	* Gload loads %ebx with the GOT address if shared libraries are used
	202	* Gcall calls an external function.
	203	* Gotoff allows you to reference local labels.
	204	* Gotoff2 allows you to reference local labels with an index reg.
	205	* Gotoff3 allows you to reference local labels with an index reg & size.
	206	* Gaddr loads up a register with an address of an external item.
	207	* Gstack is the number of bytes that Gpush pushes on the stack.
	208	*
	209	* Varients of the above with E or L prefixes do EXT(name) or LCL(name)
	210	* respectively.
	211	*/
	212
	213	#ifndef __SHARED__
	214	#define Gpush
	215	#define Gpop
	216	#define Gload
	217	#define Gcall(func) call func
	218	#define Gotoff(lab) lab
	219	#define Gotoff2(l,r) l(r)
	220	#define Gotoff3(l,r,s) l(,r,s)
	221	#define Gaddr(to,lab) movl $lab,to
	222	#define Gcmp(lab,reg) cmpl $lab,reg
	223	#define Gmemload(lab,reg) movl lab,reg
	224	#define Gmemstore(reg,lab,tmp) movl reg,lab
	225	#define Gstack 0
	226
	227	#else
	228	#ifdef __ELF__ /* ELF shared libraries */
	229	#define Gpush pushl %ebx
230	#define Gpop popl %ebx
231	#define Gload call 9f; 9: popl %ebx; addl $_GLOBAL_OFFSET_TABLE_+[.-9b],%ebx
232	#define Gcall(func) call EXT(func)@PLT
233	#define Gotoff(lab) lab@GOTOFF(%ebx)
234	#define Gotoff2(l,r) l@GOTOFF(%ebx,r)
235	#define Gotoff3(l,r,s) l@GOTOFF(%ebx,r,s)
236	#define Gaddr(to,lab) movl lab@GOT(%ebx),to
237	#define Gcmp(lab,reg) cmpl reg,lab@GOT(%ebx)
238	#define Gmemload(lab,reg) movl lab@GOT(%ebx),reg; movl (reg),reg
239	#define Gmemstore(reg,lab,tmp) movl lab@GOT(%ebx),tmp; movl reg,(tmp)
240	#define Gstack 4
241
242	#else /* ROSE shared libraries */
243	#define Gpush
244	#define Gpop
245	#define Gload
246	#define Gcall(func) call *9f; .data; .align ALIGN; 9: .long func; .text
247	#define Gotoff(lab) lab
248	#define Gotoff2(l,r) l(r)
249	#define Gotoff3(l,r,s) l(,r,s)
250	#define Gaddr(to,lab) movl 9f,to; .data; .align ALIGN; 9: .long lab; .text
251	#define Gcmp(lab,reg) cmpl reg,9f; .data; .align ALIGN; 9: .long lab; .text
252	#define Gmemload(lab,reg) movl 9f,reg; movl (reg),reg; .data; .align ALIGN; 9: .long lab; .text
253	#define Gmemstore(reg,lab,tmp) movl 9f,tmp; movl reg,(tmp); .data; .align ALIGN; 9: .long lab; .text
254	#define Gstack 0
255	#endif /* __ELF__ */
256	#endif /* __SHARED__ */
257
258	/* Egotoff is not provided, since external symbols should not use @GOTOFF
259	relocations. */
260	#define Egcall(func) Gcall(EXT(func))
261	#define Egaddr(to,lab) Gaddr(to,EXT(lab))
262	#define Egcmp(lab,reg) Gcmp(EXT(lab),reg)
263	#define Egmemload(lab,reg) Gmemload(EXT(lab),reg)
264	#define Egmemstore(reg,lab,tmp) Gmemstore(reg,EXT(lab),tmp)
265
266	#define Lgotoff(lab) Gotoff(LCL(lab))
267	#define Lgotoff2(l,r) Gotoff2(LCL(l),r)
268	#define Lgotoff3(l,r,s) Gotoff3(LCL(l),r,s)
269	#define Lgcmp(lab,reg) Gcmp(LCL(lab),reg)
270	#define Lgmemload(lab,reg) movl Lgotoff(lab),reg
271	#define Lgmemstore(reg,lab,tmp) movl reg,Lgotoff(lab)
272
273	#ifdef ASSEMBLER
274	#if MACH_KDB
275	#include <ddb/stab.h>
276	/*
277	* This pseudo-assembler line is added so that there will be at least
278	* one N_SO entry in the symbol stable to define the current file name.
279	*/
280	#endif /* MACH_KDB */
281
282	#else /* NOT ASSEMBLER */
283
284	/* These defines are here for .c files that wish to reference global symbols
285	* within __asm__ statements.
286	*/
287	#ifndef __NO_UNDERSCORES__
288	#define CC_SYM_PREFIX "_"
289	#else
290	#define CC_SYM_PREFIX ""
291	#endif /* __NO_UNDERSCORES__ */
292	#endif /* ASSEMBLER */
293
294	#endif /* _I386_ASM_H_ */