root / dyngen-exec.h @ 3e11db9a
History | View | Annotate | Download (6 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 |
/* NOTE: standard headers should be used with special care at this
|
24 |
point because host CPU registers are used as global variables. Some
|
25 |
host headers do not allow that. */
|
26 |
#include <stddef.h> |
27 |
|
28 |
typedef unsigned char uint8_t; |
29 |
typedef unsigned short uint16_t; |
30 |
typedef unsigned int uint32_t; |
31 |
/* XXX may be done for all 64 bits targets ? */
|
32 |
#if defined (__x86_64__)
|
33 |
typedef unsigned long uint64_t; |
34 |
#else
|
35 |
typedef unsigned long long uint64_t; |
36 |
#endif
|
37 |
|
38 |
typedef signed char int8_t; |
39 |
typedef signed short int16_t; |
40 |
typedef signed int int32_t; |
41 |
#if defined (__x86_64__)
|
42 |
typedef signed long int64_t; |
43 |
#else
|
44 |
typedef signed long long int64_t; |
45 |
#endif
|
46 |
|
47 |
#define INT8_MIN (-128) |
48 |
#define INT16_MIN (-32767-1) |
49 |
#define INT32_MIN (-2147483647-1) |
50 |
#define INT64_MIN (-(int64_t)(9223372036854775807)-1) |
51 |
#define INT8_MAX (127) |
52 |
#define INT16_MAX (32767) |
53 |
#define INT32_MAX (2147483647) |
54 |
#define INT64_MAX ((int64_t)(9223372036854775807)) |
55 |
#define UINT8_MAX (255) |
56 |
#define UINT16_MAX (65535) |
57 |
#define UINT32_MAX (4294967295U) |
58 |
#define UINT64_MAX ((uint64_t)(18446744073709551615)) |
59 |
|
60 |
typedef struct FILE FILE; |
61 |
extern int fprintf(FILE *, const char *, ...); |
62 |
extern int printf(const char *, ...); |
63 |
#undef NULL |
64 |
#define NULL 0 |
65 |
#if defined(_BSD) && !defined(__APPLE__)
|
66 |
#include <ieeefp.h> |
67 |
|
68 |
#define FE_TONEAREST FP_RN
|
69 |
#define FE_DOWNWARD FP_RM
|
70 |
#define FE_UPWARD FP_RP
|
71 |
#define FE_TOWARDZERO FP_RZ
|
72 |
#define fesetround(x) fpsetround(x)
|
73 |
#else
|
74 |
#include <fenv.h> |
75 |
#endif
|
76 |
|
77 |
#ifdef __i386__
|
78 |
#define AREG0 "ebp" |
79 |
#define AREG1 "ebx" |
80 |
#define AREG2 "esi" |
81 |
#define AREG3 "edi" |
82 |
#endif
|
83 |
#ifdef __x86_64__
|
84 |
#define AREG0 "rbp" |
85 |
#define AREG1 "rbx" |
86 |
#define AREG2 "r12" |
87 |
#define AREG3 "r13" |
88 |
#define AREG4 "r14" |
89 |
#define AREG5 "r15" |
90 |
#endif
|
91 |
#ifdef __powerpc__
|
92 |
#define AREG0 "r27" |
93 |
#define AREG1 "r24" |
94 |
#define AREG2 "r25" |
95 |
#define AREG3 "r26" |
96 |
/* XXX: suppress this hack */
|
97 |
#if defined(CONFIG_USER_ONLY)
|
98 |
#define AREG4 "r16" |
99 |
#define AREG5 "r17" |
100 |
#define AREG6 "r18" |
101 |
#define AREG7 "r19" |
102 |
#define AREG8 "r20" |
103 |
#define AREG9 "r21" |
104 |
#define AREG10 "r22" |
105 |
#define AREG11 "r23" |
106 |
#endif
|
107 |
#define USE_INT_TO_FLOAT_HELPERS
|
108 |
#define BUGGY_GCC_DIV64
|
109 |
#endif
|
110 |
#ifdef __arm__
|
111 |
#define AREG0 "r7" |
112 |
#define AREG1 "r4" |
113 |
#define AREG2 "r5" |
114 |
#define AREG3 "r6" |
115 |
#endif
|
116 |
#ifdef __mips__
|
117 |
#define AREG0 "s3" |
118 |
#define AREG1 "s0" |
119 |
#define AREG2 "s1" |
120 |
#define AREG3 "s2" |
121 |
#endif
|
122 |
#ifdef __sparc__
|
123 |
#define AREG0 "g6" |
124 |
#define AREG1 "g1" |
125 |
#define AREG2 "g2" |
126 |
#define AREG3 "g3" |
127 |
#define AREG4 "l0" |
128 |
#define AREG5 "l1" |
129 |
#define AREG6 "l2" |
130 |
#define AREG7 "l3" |
131 |
#define AREG8 "l4" |
132 |
#define AREG9 "l5" |
133 |
#define AREG10 "l6" |
134 |
#define AREG11 "l7" |
135 |
#define USE_FP_CONVERT
|
136 |
#endif
|
137 |
#ifdef __s390__
|
138 |
#define AREG0 "r10" |
139 |
#define AREG1 "r7" |
140 |
#define AREG2 "r8" |
141 |
#define AREG3 "r9" |
142 |
#endif
|
143 |
#ifdef __alpha__
|
144 |
/* Note $15 is the frame pointer, so anything in op-i386.c that would
|
145 |
require a frame pointer, like alloca, would probably loose. */
|
146 |
#define AREG0 "$15" |
147 |
#define AREG1 "$9" |
148 |
#define AREG2 "$10" |
149 |
#define AREG3 "$11" |
150 |
#define AREG4 "$12" |
151 |
#define AREG5 "$13" |
152 |
#define AREG6 "$14" |
153 |
#endif
|
154 |
#ifdef __mc68000
|
155 |
#define AREG0 "%a5" |
156 |
#define AREG1 "%a4" |
157 |
#define AREG2 "%d7" |
158 |
#define AREG3 "%d6" |
159 |
#define AREG4 "%d5" |
160 |
#endif
|
161 |
#ifdef __ia64__
|
162 |
#define AREG0 "r27" |
163 |
#define AREG1 "r24" |
164 |
#define AREG2 "r25" |
165 |
#define AREG3 "r26" |
166 |
#endif
|
167 |
|
168 |
/* force GCC to generate only one epilog at the end of the function */
|
169 |
#define FORCE_RET() asm volatile (""); |
170 |
|
171 |
#ifndef OPPROTO
|
172 |
#define OPPROTO
|
173 |
#endif
|
174 |
|
175 |
#define xglue(x, y) x ## y |
176 |
#define glue(x, y) xglue(x, y)
|
177 |
#define stringify(s) tostring(s)
|
178 |
#define tostring(s) #s |
179 |
|
180 |
#ifdef __alpha__
|
181 |
/* the symbols are considered non exported so a br immediate is generated */
|
182 |
#define __hidden __attribute__((visibility("hidden"))) |
183 |
#else
|
184 |
#define __hidden
|
185 |
#endif
|
186 |
|
187 |
#if defined(__alpha__)
|
188 |
/* Suggested by Richard Henderson. This will result in code like
|
189 |
ldah $0,__op_param1($29) !gprelhigh
|
190 |
lda $0,__op_param1($0) !gprellow
|
191 |
We can then conveniently change $29 to $31 and adapt the offsets to
|
192 |
emit the appropriate constant. */
|
193 |
extern int __op_param1 __hidden; |
194 |
extern int __op_param2 __hidden; |
195 |
extern int __op_param3 __hidden; |
196 |
#define PARAM1 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param1)); _r; }) |
197 |
#define PARAM2 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param2)); _r; }) |
198 |
#define PARAM3 ({ int _r; asm("" : "=r"(_r) : "0" (&__op_param3)); _r; }) |
199 |
#else
|
200 |
#if defined(__APPLE__)
|
201 |
static int __op_param1, __op_param2, __op_param3; |
202 |
#else
|
203 |
extern int __op_param1, __op_param2, __op_param3; |
204 |
#endif
|
205 |
#define PARAM1 ((long)(&__op_param1)) |
206 |
#define PARAM2 ((long)(&__op_param2)) |
207 |
#define PARAM3 ((long)(&__op_param3)) |
208 |
#endif /* !defined(__alpha__) */ |
209 |
|
210 |
extern int __op_jmp0, __op_jmp1, __op_jmp2, __op_jmp3; |
211 |
|
212 |
#ifdef __i386__
|
213 |
#define EXIT_TB() asm volatile ("ret") |
214 |
#endif
|
215 |
#ifdef __x86_64__
|
216 |
#define EXIT_TB() asm volatile ("ret") |
217 |
#endif
|
218 |
#ifdef __powerpc__
|
219 |
#define EXIT_TB() asm volatile ("blr") |
220 |
#endif
|
221 |
#ifdef __s390__
|
222 |
#define EXIT_TB() asm volatile ("br %r14") |
223 |
#endif
|
224 |
#ifdef __alpha__
|
225 |
#define EXIT_TB() asm volatile ("ret") |
226 |
#endif
|
227 |
#ifdef __ia64__
|
228 |
#define EXIT_TB() asm volatile ("br.ret.sptk.many b0;;") |
229 |
#endif
|
230 |
#ifdef __sparc__
|
231 |
#define EXIT_TB() asm volatile ("jmpl %i0 + 8, %g0\n" \ |
232 |
"nop")
|
233 |
#endif
|
234 |
#ifdef __arm__
|
235 |
#define EXIT_TB() asm volatile ("b exec_loop") |
236 |
#endif
|
237 |
#ifdef __mc68000
|
238 |
#define EXIT_TB() asm volatile ("rts") |
239 |
#endif
|
240 |
|
241 |
#endif /* !defined(__DYNGEN_EXEC_H__) */ |