root / dyngen-exec.h @ 70ead434
History | View | Annotate | Download (7.3 kB)
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 |
typedef unsigned char uint8_t; |
36 |
typedef unsigned short uint16_t; |
37 |
typedef unsigned int uint32_t; |
38 |
// Linux/Sparc64 defines uint64_t
|
39 |
#if !(defined (__sparc_v9__) && defined(__linux__))
|
40 |
/* XXX may be done for all 64 bits targets ? */
|
41 |
#if defined (__x86_64__) || defined(__ia64)
|
42 |
typedef unsigned long uint64_t; |
43 |
#else
|
44 |
typedef unsigned long long uint64_t; |
45 |
#endif
|
46 |
#endif
|
47 |
|
48 |
/* if Solaris/__sun__, don't typedef int8_t, as it will be typedef'd
|
49 |
prior to this and will cause an error in compliation, conflicting
|
50 |
with /usr/include/sys/int_types.h, line 75 */
|
51 |
#ifndef __sun__
|
52 |
typedef signed char int8_t; |
53 |
#endif
|
54 |
typedef signed short int16_t; |
55 |
typedef signed int int32_t; |
56 |
// Linux/Sparc64 defines int64_t
|
57 |
#if !(defined (__sparc_v9__) && defined(__linux__))
|
58 |
#if defined (__x86_64__) || defined(__ia64)
|
59 |
typedef signed long int64_t; |
60 |
#else
|
61 |
typedef signed long long int64_t; |
62 |
#endif
|
63 |
#endif
|
64 |
|
65 |
#define INT8_MIN (-128) |
66 |
#define INT16_MIN (-32767-1) |
67 |
#define INT32_MIN (-2147483647-1) |
68 |
#define INT64_MIN (-(int64_t)(9223372036854775807)-1) |
69 |
#define INT8_MAX (127) |
70 |
#define INT16_MAX (32767) |
71 |
#define INT32_MAX (2147483647) |
72 |
#define INT64_MAX ((int64_t)(9223372036854775807)) |
73 |
#define UINT8_MAX (255) |
74 |
#define UINT16_MAX (65535) |
75 |
#define UINT32_MAX (4294967295U) |
76 |
#define UINT64_MAX ((uint64_t)(18446744073709551615)) |
77 |
|
78 |
typedef struct FILE FILE; |
79 |
extern int fprintf(FILE *, const char *, ...); |
80 |
extern int printf(const char *, ...); |
81 |
#undef NULL |
82 |
#define NULL 0 |
83 |
|
84 |
#ifdef __i386__
|
85 |
#define AREG0 "ebp" |
86 |
#define AREG1 "ebx" |
87 |
#define AREG2 "esi" |
88 |
#define AREG3 "edi" |
89 |
#endif
|
90 |
#ifdef __x86_64__
|
91 |
#define AREG0 "rbp" |
92 |
#define AREG1 "rbx" |
93 |
#define AREG2 "r12" |
94 |
#define AREG3 "r13" |
95 |
//#define AREG4 "r14"
|
96 |
//#define AREG5 "r15"
|
97 |
#endif
|
98 |
#ifdef __powerpc__
|
99 |
#define AREG0 "r27" |
100 |
#define AREG1 "r24" |
101 |
#define AREG2 "r25" |
102 |
#define AREG3 "r26" |
103 |
/* XXX: suppress this hack */
|
104 |
#if defined(CONFIG_USER_ONLY)
|
105 |
#define AREG4 "r16" |
106 |
#define AREG5 "r17" |
107 |
#define AREG6 "r18" |
108 |
#define AREG7 "r19" |
109 |
#define AREG8 "r20" |
110 |
#define AREG9 "r21" |
111 |
#define AREG10 "r22" |
112 |
#define AREG11 "r23" |
113 |
#endif
|
114 |
#define USE_INT_TO_FLOAT_HELPERS
|
115 |
#define BUGGY_GCC_DIV64
|
116 |
#endif
|
117 |
#ifdef __arm__
|
118 |
#define AREG0 "r7" |
119 |
#define AREG1 "r4" |
120 |
#define AREG2 "r5" |
121 |
#define AREG3 "r6" |
122 |
#endif
|
123 |
#ifdef __mips__
|
124 |
#define AREG0 "s3" |
125 |
#define AREG1 "s0" |
126 |
#define AREG2 "s1" |
127 |
#define AREG3 "s2" |
128 |
#endif
|
129 |
#ifdef __sparc__
|
130 |
#ifdef HOST_SOLARIS
|
131 |
#define AREG0 "g2" |
132 |
#define AREG1 "g3" |
133 |
#define AREG2 "g4" |
134 |
#define AREG3 "g5" |
135 |
#define AREG4 "g6" |
136 |
#else
|
137 |
#ifdef __sparc_v9__
|
138 |
#define AREG0 "g1" |
139 |
#define AREG1 "g4" |
140 |
#define AREG2 "g5" |
141 |
#define AREG3 "g7" |
142 |
#else
|
143 |
#define AREG0 "g6" |
144 |
#define AREG1 "g1" |
145 |
#define AREG2 "g2" |
146 |
#define AREG3 "g3" |
147 |
#define AREG4 "l0" |
148 |
#define AREG5 "l1" |
149 |
#define AREG6 "l2" |
150 |
#define AREG7 "l3" |
151 |
#define AREG8 "l4" |
152 |
#define AREG9 "l5" |
153 |
#define AREG10 "l6" |
154 |
#define AREG11 "l7" |
155 |
#endif
|
156 |
#endif
|
157 |
#define USE_FP_CONVERT
|
158 |
#endif
|
159 |
#ifdef __s390__
|
160 |
#define AREG0 "r10" |
161 |
#define AREG1 "r7" |
162 |
#define AREG2 "r8" |
163 |
#define AREG3 "r9" |
164 |
#endif
|
165 |
#ifdef __alpha__
|
166 |
/* Note $15 is the frame pointer, so anything in op-i386.c that would
|
167 |
require a frame pointer, like alloca, would probably loose. */
|
168 |
#define AREG0 "$15" |
169 |
#define AREG1 "$9" |
170 |
#define AREG2 "$10" |
171 |
#define AREG3 "$11" |
172 |
#define AREG4 "$12" |
173 |
#define AREG5 "$13" |
174 |
#define AREG6 "$14" |
175 |
#endif
|
176 |
#ifdef __mc68000
|
177 |
#define AREG0 "%a5" |
178 |
#define AREG1 "%a4" |
179 |
#define AREG2 "%d7" |
180 |
#define AREG3 "%d6" |
181 |
#define AREG4 "%d5" |
182 |
#endif
|
183 |
#ifdef __ia64__
|
184 |
#define AREG0 "r7" |
185 |
#define AREG1 "r4" |
186 |
#define AREG2 "r5" |
187 |
#define AREG3 "r6" |
188 |
#endif
|
189 |
|
190 |
/* force GCC to generate only one epilog at the end of the function */
|
191 |
#define FORCE_RET() __asm__ __volatile__("" : : : "memory"); |
192 |
|
193 |
#ifndef OPPROTO
|
194 |
#define OPPROTO
|
195 |
#endif
|
196 |
|
197 |
#define xglue(x, y) x ## y |
198 |
#define glue(x, y) xglue(x, y)
|
199 |
#define stringify(s) tostring(s)
|
200 |
#define tostring(s) #s |
201 |
|
202 |
#ifdef __alpha__
|
203 |
/* the symbols are considered non exported so a br immediate is generated */
|
204 |
#define __hidden __attribute__((visibility("hidden"))) |
205 |
#else
|
206 |
#define __hidden
|
207 |
#endif
|
208 |
|
209 |
#if defined(__alpha__)
|
210 |
/* Suggested by Richard Henderson. This will result in code like
|
211 |
ldah $0,__op_param1($29) !gprelhigh
|
212 |
lda $0,__op_param1($0) !gprellow
|
213 |
We can then conveniently change $29 to $31 and adapt the offsets to
|
214 |
emit the appropriate constant. */
|
215 |
extern int __op_param1 __hidden; |
216 |
extern int __op_param2 __hidden; |
217 |
extern int __op_param3 __hidden; |
218 |
#define PARAM1 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param1)); _r; }) |
219 |
#define PARAM2 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param2)); _r; }) |
220 |
#define PARAM3 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param3)); _r; }) |
221 |
#else
|
222 |
#if defined(__APPLE__)
|
223 |
static int __op_param1, __op_param2, __op_param3; |
224 |
#else
|
225 |
extern int __op_param1, __op_param2, __op_param3; |
226 |
#endif
|
227 |
#define PARAM1 ((long)(&__op_param1)) |
228 |
#define PARAM2 ((long)(&__op_param2)) |
229 |
#define PARAM3 ((long)(&__op_param3)) |
230 |
#endif /* !defined(__alpha__) */ |
231 |
|
232 |
extern int __op_jmp0, __op_jmp1, __op_jmp2, __op_jmp3; |
233 |
|
234 |
#if defined(_WIN32) || defined(__APPLE__)
|
235 |
#define ASM_NAME(x) "_" #x |
236 |
#else
|
237 |
#define ASM_NAME(x) #x |
238 |
#endif
|
239 |
|
240 |
#ifdef __i386__
|
241 |
#define EXIT_TB() asm volatile ("ret") |
242 |
#define GOTO_LABEL_PARAM(n) asm volatile ("jmp " ASM_NAME(__op_gen_label) #n) |
243 |
#endif
|
244 |
#ifdef __x86_64__
|
245 |
#define EXIT_TB() asm volatile ("ret") |
246 |
#define GOTO_LABEL_PARAM(n) asm volatile ("jmp " ASM_NAME(__op_gen_label) #n) |
247 |
#endif
|
248 |
#ifdef __powerpc__
|
249 |
#define EXIT_TB() asm volatile ("blr") |
250 |
#define GOTO_LABEL_PARAM(n) asm volatile ("b " ASM_NAME(__op_gen_label) #n) |
251 |
#endif
|
252 |
#ifdef __s390__
|
253 |
#define EXIT_TB() asm volatile ("br %r14") |
254 |
#define GOTO_LABEL_PARAM(n) asm volatile ("b " ASM_NAME(__op_gen_label) #n) |
255 |
#endif
|
256 |
#ifdef __alpha__
|
257 |
#define EXIT_TB() asm volatile ("ret") |
258 |
#endif
|
259 |
#ifdef __ia64__
|
260 |
#define EXIT_TB() asm volatile ("br.ret.sptk.many b0;;") |
261 |
#define GOTO_LABEL_PARAM(n) asm volatile ("br.sptk.many " \ |
262 |
ASM_NAME(__op_gen_label) #n)
|
263 |
#endif
|
264 |
#ifdef __sparc__
|
265 |
#define EXIT_TB() asm volatile ("jmpl %i0 + 8, %g0; nop") |
266 |
#define GOTO_LABEL_PARAM(n) asm volatile ("ba " ASM_NAME(__op_gen_label) #n ";nop") |
267 |
#endif
|
268 |
#ifdef __arm__
|
269 |
#define EXIT_TB() asm volatile ("b exec_loop") |
270 |
#define GOTO_LABEL_PARAM(n) asm volatile ("b " ASM_NAME(__op_gen_label) #n) |
271 |
#endif
|
272 |
#ifdef __mc68000
|
273 |
#define EXIT_TB() asm volatile ("rts") |
274 |
#endif
|
275 |
|
276 |
#endif /* !defined(__DYNGEN_EXEC_H__) */ |