VirtualBox

source: vbox/trunk/src/recompiler/dyngen-exec.h@ 8564

Last change on this file since 8564 was 5372, checked in by vboxsync, 17 years ago

Avoid using rbp for any global register variable as it seems to cause trouble for gcc 3.4.3 on solaris.

  • Property svn:eol-style set to native
File size: 7.8 KB
Line 
1/*
2 * dyngen defines for micro operation code
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20#if !defined(__DYNGEN_EXEC_H__)
21#define __DYNGEN_EXEC_H__
22
23/* prevent Solaris from trying to typedef FILE in gcc's
24 include/floatingpoint.h which will conflict with the
25 definition down below */
26#ifdef __sun__
27#define _FILEDEFED
28#endif
29
30/* NOTE: standard headers should be used with special care at this
31 point because host CPU registers are used as global variables. Some
32 host headers do not allow that. */
33#include <stddef.h>
34
35#ifndef VBOX
36
37typedef unsigned char uint8_t;
38typedef unsigned short uint16_t;
39typedef unsigned int uint32_t;
40// Linux/Sparc64 defines uint64_t
41#if !(defined (__sparc_v9__) && defined(__linux__))
42/* XXX may be done for all 64 bits targets ? */
43#if defined (__x86_64__) || defined(__ia64)
44typedef unsigned long uint64_t;
45#else
46typedef unsigned long long uint64_t;
47#endif
48#endif
49
50/* if Solaris/__sun__, don't typedef int8_t, as it will be typedef'd
51 prior to this and will cause an error in compliation, conflicting
52 with /usr/include/sys/int_types.h, line 75 */
53#ifndef __sun__
54typedef signed char int8_t;
55#endif
56typedef signed short int16_t;
57typedef signed int int32_t;
58// Linux/Sparc64 defines int64_t
59#if !(defined (__sparc_v9__) && defined(__linux__))
60#if defined (__x86_64__) || defined(__ia64)
61typedef signed long int64_t;
62#else
63typedef signed long long int64_t;
64#endif
65#endif
66
67/* XXX: This may be wrong for 64-bit ILP32 hosts. */
68typedef void * host_reg_t;
69
70#define INT8_MIN (-128)
71#define INT16_MIN (-32767-1)
72#define INT32_MIN (-2147483647-1)
73#define INT64_MIN (-(int64_t)(9223372036854775807)-1)
74#define INT8_MAX (127)
75#define INT16_MAX (32767)
76#define INT32_MAX (2147483647)
77#define INT64_MAX ((int64_t)(9223372036854775807))
78#define UINT8_MAX (255)
79#define UINT16_MAX (65535)
80#define UINT32_MAX (4294967295U)
81#define UINT64_MAX ((uint64_t)(18446744073709551615))
82
83typedef struct FILE FILE;
84extern int fprintf(FILE *, const char *, ...);
85extern int printf(const char *, ...);
86#undef NULL
87#define NULL 0
88
89#else /* VBOX */
90
91/* XXX: This may be wrong for 64-bit ILP32 hosts. */
92typedef void * host_reg_t;
93
94#include <iprt/stdint.h>
95#include <stdio.h>
96
97#endif /* VBOX */
98
99#ifdef __i386__
100#define AREG0 "ebp"
101#define AREG1 "ebx"
102#define AREG2 "esi"
103#define AREG3 "edi"
104#endif
105#ifdef __x86_64__
106#ifdef VBOX
107/* gcc 3.4.3 on 64-bit Solaris screws up when using rbp, it
108 seems so at least. (Setting AREG4 to "r15" causes compiler
109 error btw, so don't try it.) */
110# define AREG0 "rbx"
111# define AREG1 "r12"
112# define AREG2 "r13"
113# define AREG3 "r14"
114#else
115#define AREG0 "rbp"
116#define AREG1 "rbx"
117#define AREG2 "r12"
118#define AREG3 "r13"
119#endif
120//#define AREG4 "r14"
121//#define AREG5 "r15"
122#endif
123#ifdef __powerpc__
124#define AREG0 "r27"
125#define AREG1 "r24"
126#define AREG2 "r25"
127#define AREG3 "r26"
128/* XXX: suppress this hack */
129#if defined(CONFIG_USER_ONLY)
130#define AREG4 "r16"
131#define AREG5 "r17"
132#define AREG6 "r18"
133#define AREG7 "r19"
134#define AREG8 "r20"
135#define AREG9 "r21"
136#define AREG10 "r22"
137#define AREG11 "r23"
138#endif
139#define USE_INT_TO_FLOAT_HELPERS
140#define BUGGY_GCC_DIV64
141#endif
142#ifdef __arm__
143#define AREG0 "r7"
144#define AREG1 "r4"
145#define AREG2 "r5"
146#define AREG3 "r6"
147#endif
148#ifdef __mips__
149#define AREG0 "s3"
150#define AREG1 "s0"
151#define AREG2 "s1"
152#define AREG3 "s2"
153#endif
154#ifdef __sparc__
155#ifdef HOST_SOLARIS
156#define AREG0 "g2"
157#define AREG1 "g3"
158#define AREG2 "g4"
159#define AREG3 "g5"
160#define AREG4 "g6"
161#else
162#ifdef __sparc_v9__
163#define AREG0 "g1"
164#define AREG1 "g4"
165#define AREG2 "g5"
166#define AREG3 "g7"
167#else
168#define AREG0 "g6"
169#define AREG1 "g1"
170#define AREG2 "g2"
171#define AREG3 "g3"
172#define AREG4 "l0"
173#define AREG5 "l1"
174#define AREG6 "l2"
175#define AREG7 "l3"
176#define AREG8 "l4"
177#define AREG9 "l5"
178#define AREG10 "l6"
179#define AREG11 "l7"
180#endif
181#endif
182#define USE_FP_CONVERT
183#endif
184#ifdef __s390__
185#define AREG0 "r10"
186#define AREG1 "r7"
187#define AREG2 "r8"
188#define AREG3 "r9"
189#endif
190#ifdef __alpha__
191/* Note $15 is the frame pointer, so anything in op-i386.c that would
192 require a frame pointer, like alloca, would probably loose. */
193#define AREG0 "$15"
194#define AREG1 "$9"
195#define AREG2 "$10"
196#define AREG3 "$11"
197#define AREG4 "$12"
198#define AREG5 "$13"
199#define AREG6 "$14"
200#endif
201#ifdef __mc68000
202#define AREG0 "%a5"
203#define AREG1 "%a4"
204#define AREG2 "%d7"
205#define AREG3 "%d6"
206#define AREG4 "%d5"
207#endif
208#ifdef __ia64__
209#define AREG0 "r7"
210#define AREG1 "r4"
211#define AREG2 "r5"
212#define AREG3 "r6"
213#endif
214
215/* force GCC to generate only one epilog at the end of the function */
216#define FORCE_RET() __asm__ __volatile__("" : : : "memory");
217
218#ifndef OPPROTO
219#define OPPROTO
220#endif
221
222#define xglue(x, y) x ## y
223#define glue(x, y) xglue(x, y)
224#define stringify(s) tostring(s)
225#define tostring(s) #s
226
227#ifdef __alpha__
228/* the symbols are considered non exported so a br immediate is generated */
229#define __hidden __attribute__((visibility("hidden")))
230#else
231#define __hidden
232#endif
233
234#if defined(__alpha__)
235/* Suggested by Richard Henderson. This will result in code like
236 ldah $0,__op_param1($29) !gprelhigh
237 lda $0,__op_param1($0) !gprellow
238 We can then conveniently change $29 to $31 and adapt the offsets to
239 emit the appropriate constant. */
240extern int __op_param1 __hidden;
241extern int __op_param2 __hidden;
242extern int __op_param3 __hidden;
243#define PARAM1 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param1)); _r; })
244#define PARAM2 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param2)); _r; })
245#define PARAM3 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param3)); _r; })
246#else
247#if defined(__APPLE__)
248static int __op_param1, __op_param2, __op_param3;
249#else
250extern int __op_param1, __op_param2, __op_param3;
251#endif
252#define PARAM1 ((long)(&__op_param1))
253#define PARAM2 ((long)(&__op_param2))
254#define PARAM3 ((long)(&__op_param3))
255#endif /* !defined(__alpha__) */
256
257extern int __op_jmp0, __op_jmp1, __op_jmp2, __op_jmp3;
258
259#if defined(_WIN32) || defined(__APPLE__) || defined(__OS2__)
260#define ASM_NAME(x) "_" #x
261#else
262#define ASM_NAME(x) #x
263#endif
264
265#ifdef __i386__
266#define EXIT_TB() asm volatile ("ret")
267#define GOTO_LABEL_PARAM(n) asm volatile ("jmp " ASM_NAME(__op_gen_label) #n)
268#endif
269#ifdef __x86_64__
270#define EXIT_TB() asm volatile ("ret")
271#define GOTO_LABEL_PARAM(n) asm volatile ("jmp " ASM_NAME(__op_gen_label) #n)
272#endif
273#ifdef __powerpc__
274#define EXIT_TB() asm volatile ("blr")
275#define GOTO_LABEL_PARAM(n) asm volatile ("b " ASM_NAME(__op_gen_label) #n)
276#endif
277#ifdef __s390__
278#define EXIT_TB() asm volatile ("br %r14")
279#define GOTO_LABEL_PARAM(n) asm volatile ("b " ASM_NAME(__op_gen_label) #n)
280#endif
281#ifdef __alpha__
282#define EXIT_TB() asm volatile ("ret")
283#endif
284#ifdef __ia64__
285#define EXIT_TB() asm volatile ("br.ret.sptk.many b0;;")
286#define GOTO_LABEL_PARAM(n) asm volatile ("br.sptk.many " \
287 ASM_NAME(__op_gen_label) #n)
288#endif
289#ifdef __sparc__
290#define EXIT_TB() asm volatile ("jmpl %i0 + 8, %g0; nop")
291#define GOTO_LABEL_PARAM(n) asm volatile ("ba " ASM_NAME(__op_gen_label) #n ";nop")
292#endif
293#ifdef __arm__
294#define EXIT_TB() asm volatile ("b exec_loop")
295#define GOTO_LABEL_PARAM(n) asm volatile ("b " ASM_NAME(__op_gen_label) #n)
296#endif
297#ifdef __mc68000
298#define EXIT_TB() asm volatile ("rts")
299#endif
300
301#endif /* !defined(__DYNGEN_EXEC_H__) */
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