source: mainline/uspace/app/pcc/arch/mips/macdefs.h@ 48fa501

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 48fa501 was a7de7182, checked in by Jiří Zárevúcky <zarevucky.jiri@…>, 14 years ago

Added pcc source tree (contents of pcc-1.0.0.tgz)
  • Property mode set to 100644
File size: 9.5 KB
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[a7de7182]1/* $Id: macdefs.h,v 1.12 2010/09/21 05:43:59 ragge Exp $ */
2/*
3 * Copyright (c) 2003 Anders Magnusson (ragge@ludd.luth.se).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/*
30 * MIPS port by Jan Enoksson (janeno-1@student.ltu.se) and
31 * Simon Olsson (simols-1@student.ltu.se) 2005.
32 */
33
34/*
35 * Machine-dependent defines for both passes.
36 */
37
38#if TARGOS == netbsd
39#define USE_GAS
40#endif
41
42/*
43 * Convert (multi-)character constant to integer.
44 * Assume: If only one value; store at left side (char size), otherwise
45 * treat it as an integer.
46 */
47#define makecc(val,i) lastcon = (lastcon<<8)|((val<<24)>>24);
48
49#define ARGINIT (16*8) /* # bits above fp where arguments start */
50#define AUTOINIT (0) /* # bits below fp where automatics start */
51
52/*
53 * Storage space requirements
54 */
55#define SZCHAR 8
56#define SZBOOL 32
57#define SZINT 32
58#define SZFLOAT 32
59#define SZDOUBLE 64
60#define SZLDOUBLE 64
61#define SZLONG 32
62#define SZSHORT 16
63#define SZLONGLONG 64
64#define SZPOINT(t) 32
65
66/*
67 * Alignment constraints
68 */
69#define ALCHAR 8
70#define ALBOOL 32
71#define ALINT 32
72#define ALFLOAT 32
73#define ALDOUBLE 64
74#define ALLDOUBLE 64
75#define ALLONG 32
76#define ALLONGLONG 64
77#define ALSHORT 16
78#define ALPOINT 32
79#define ALSTRUCT 64
80#define ALSTACK 32
81
82/*
83 * Min/max values.
84 */
85#define MIN_CHAR -128
86#define MAX_CHAR 127
87#define MAX_UCHAR 255
88#define MIN_SHORT -32768
89#define MAX_SHORT 32767
90#define MAX_USHORT 65535
91#define MIN_INT -1
92#define MAX_INT 0x7fffffff
93#define MAX_UNSIGNED 0xffffffff
94#define MIN_LONG MIN_INT
95#define MAX_LONG MAX_INT
96#define MAX_ULONG MAX_UNSIGNED
97#define MIN_LONGLONG 0x8000000000000000LL
98#define MAX_LONGLONG 0x7fffffffffffffffLL
99#define MAX_ULONGLONG 0xffffffffffffffffULL
100
101#undef CHAR_UNSIGNED
102#define BOOL_TYPE INT
103
104/*
105 * Use large-enough types.
106 */
107typedef long long CONSZ;
108typedef unsigned long long U_CONSZ;
109typedef long long OFFSZ;
110
111#define CONFMT "%lld" /* format for printing constants */
112#ifdef USE_GAS
113#define LABFMT "$L%d" /* format for printing labels */
114#define STABLBL "$LL%d" /* format for stab (debugging) labels */
115#else
116#define LABFMT "L%d" /* format for printing labels */
117#define STABLBL "LL%d" /* format for stab (debugging) labels */
118#endif
119
120#define BACKAUTO /* stack grows negatively for automatics */
121#define BACKTEMP /* stack grows negatively for temporaries */
122
123#undef FIELDOPS /* no bit-field instructions */
124#define RTOLBYTES 1 /* bytes are numbered right to left */
125
126#define ENUMSIZE(high,low) INT /* enums are always stored in full int */
127
128/* Definitions mostly used in pass2 */
129
130#define BYTEOFF(x) ((x)&03)
131#define BITOOR(x) (x) /* bit offset to oreg offset */
132
133#define szty(t) (((t) == DOUBLE || (t) == LDOUBLE || \
134 DEUNSIGN(t) == LONGLONG) ? 2 : 1)
135
136/*
137 * Register names. These must match rnames[] and rstatus[] in local2.c.
138 */
139#define ZERO 0
140#define AT 1
141#define V0 2
142#define V1 3
143#define A0 4
144#define A1 5
145#define A2 6
146#define A3 7
147#define A4 8
148#define A5 9
149#define A6 10
150#define A7 11
151#if defined(MIPS_N32) || defined(MIPS_N64)
152#define T0 12
153#define T1 13
154#define T2 14
155#define T3 15
156#else
157#define T0 8
158#define T1 9
159#define T2 10
160#define T3 11
161#endif
162#define T4 12
163#define T5 13
164#define T6 14
165#define T7 15
166#define S0 16
167#define S1 17
168#define S2 18
169#define S3 19
170#define S4 20
171#define S5 21
172#define S6 22
173#define S7 23
174#define T8 24
175#define T9 25
176#define K0 26
177#define K1 27
178#define GP 28
179#define SP 29
180#define FP 30
181#define RA 31
182
183#define V0V1 32
184#define A0A1 33
185#define A1A2 34
186#define A2A3 35
187
188/* we just use o32 naming here, but it works ok for n32/n64 */
189#define A3T0 36
190#define T0T1 37
191#define T1T2 38
192#define T2T3 39
193#define T3T4 40
194#define T4T5 41
195#define T5T6 42
196#define T6T7 43
197#define T7T8 44
198
199#define T8T9 45
200#define S0S1 46
201#define S1S2 47
202#define S2S3 48
203#define S3S4 49
204#define S4S5 50
205#define S5S6 51
206#define S6S7 52
207
208#define F0 53
209#define F2 54
210#define F4 55
211#define F6 56
212#define F8 57
213#define F10 58
214#define F12 59
215#define F14 60
216#define F16 61
217#define F18 62
218#define F20 63
219/* and the rest for later */
220#define F22 64
221#define F24 65
222#define F26 66
223#define F28 67
224#define F30 68
225
226#define MAXREGS 64
227#define NUMCLASS 3
228
229#define RETREG(x) (DEUNSIGN(x) == LONGLONG ? V0V1 : \
230 (x) == DOUBLE || (x) == LDOUBLE || (x) == FLOAT ? \
231 F0 : V0)
232#define FPREG FP /* frame pointer */
233
234#define MIPS_N32_NARGREGS 8
235#define MIPS_O32_NARGREGS 4
236
237#define RSTATUS \
238 0, 0, \
239 SAREG|TEMPREG, SAREG|TEMPREG, \
240 SAREG|TEMPREG, SAREG|TEMPREG, SAREG|TEMPREG, SAREG|TEMPREG, \
241 SAREG|TEMPREG, SAREG|TEMPREG, SAREG|TEMPREG, SAREG|TEMPREG, \
242 SAREG|TEMPREG, SAREG|TEMPREG, SAREG|TEMPREG, SAREG|TEMPREG, \
243 SAREG|PERMREG, SAREG|PERMREG, SAREG|PERMREG, SAREG|PERMREG, \
244 SAREG|PERMREG, SAREG|PERMREG, SAREG|PERMREG, SAREG|PERMREG, \
245 SAREG|TEMPREG, SAREG|TEMPREG, \
246 0, 0, \
247 0, 0, 0, 0, \
248 \
249 SBREG|TEMPREG, \
250 SBREG|TEMPREG, SBREG|TEMPREG, SBREG|TEMPREG, \
251 SBREG|TEMPREG, \
252 SBREG|TEMPREG, SBREG|TEMPREG, SBREG|TEMPREG, \
253 SBREG|TEMPREG, SBREG|TEMPREG, \
254 SBREG|TEMPREG, SBREG|TEMPREG, SBREG|TEMPREG, SBREG|TEMPREG, \
255 SBREG, SBREG, SBREG, SBREG, \
256 SBREG, SBREG, SBREG, \
257 SCREG, SCREG, SCREG, SCREG, \
258 SCREG, SCREG, SCREG, SCREG, \
259 SCREG, SCREG, SCREG, \
260
261#define ROVERLAP \
262 { -1 }, /* $zero */ \
263 { -1 }, /* $at */ \
264 { V0V1, -1 }, /* $v0 */ \
265 { V0V1, -1 }, /* $v1 */ \
266 { A0A1, -1 }, /* $a0 */ \
267 { A0A1, A1A2, -1 }, /* $a1 */ \
268 { A1A2, A2A3, -1 }, /* $a2 */ \
269 { A2A3, A3T0, -1 }, /* $a3 */ \
270 { A3T0, T0T1, -1 }, /* $t0 */ \
271 { T0T1, T1T2, -1 }, /* $t1 */ \
272 { T1T2, T2T3, -1 }, /* $t2 */ \
273 { T2T3, T3T4, -1 }, /* $t3 */ \
274 { T3T4, T4T5, -1 }, /* $t4 */ \
275 { T4T5, T5T6, -1 }, /* $t5 */ \
276 { T6T7, T7T8, -1 }, /* $t6 */ \
277 { T7T8, T8T9, -1 }, /* $t7 */ \
278 \
279 { S0S1, -1 }, /* $s0 */ \
280 { S0S1, S1S2, -1 }, /* $s1 */ \
281 { S1S2, S2S3, -1 }, /* $s2 */ \
282 { S2S3, S3S4, -1 }, /* $s3 */ \
283 { S3S4, S4S5, -1 }, /* $s4 */ \
284 { S4S5, S5S6, -1 }, /* $s5 */ \
285 { S5S6, S6S7, -1 }, /* $s6 */ \
286 { S6S7, -1 }, /* $s7 */ \
287 \
288 { T7T8, T8T9, -1 }, /* $t8 */ \
289 { T8T9, -1 }, /* $t9 */ \
290 \
291 { -1 }, /* $k0 */ \
292 { -1 }, /* $k1 */ \
293 { -1 }, /* $gp */ \
294 { -1 }, /* $sp */ \
295 { -1 }, /* $fp */ \
296 { -1 }, /* $ra */ \
297 \
298 { V0, V1, -1 }, /* $v0:$v1 */ \
299 \
300 { A0, A1, A1A2, -1 }, /* $a0:$a1 */ \
301 { A1, A2, A0A1, A2A3, -1 }, /* $a1:$a2 */ \
302 { A2, A3, A1A2, A3T0, -1 }, /* $a2:$a3 */ \
303 { A3, T0, A2A3, T0T1, -1 }, /* $a3:$t0 */ \
304 { T0, T1, A3T0, T1T2, -1 }, /* $t0:$t1 */ \
305 { T1, T2, T0T1, T2T3, -1 }, /* $t1:$t2 */ \
306 { T2, T3, T1T2, T3T4, -1 }, /* $t2:$t3 */ \
307 { T3, T4, T2T3, T4T5, -1 }, /* $t3:$t4 */ \
308 { T4, T5, T3T4, T5T6, -1 }, /* $t4:$t5 */ \
309 { T5, T6, T4T5, T6T7, -1 }, /* $t5:$t6 */ \
310 { T6, T7, T5T6, T7T8, -1 }, /* $t6:$t7 */ \
311 { T7, T8, T6T7, T8T9, -1 }, /* $t7:$t8 */ \
312 { T8, T9, T7T8, -1 }, /* $t8:$t9 */ \
313 \
314 { S0, S1, S1S2, -1 }, /* $s0:$s1 */ \
315 { S1, S2, S0S1, S2S3, -1 }, \
316 { S2, S3, S1S2, S3S4, -1 }, \
317 { S3, S4, S2S3, S4S5, -1 }, \
318 { S4, S5, S3S4, S5S6, -1 }, \
319 { S5, S6, S4S5, S6S7, -1 }, \
320 { S6, S7, S5S6, -1 }, \
321 \
322 { -1 }, { -1 }, { -1 }, { -1 }, \
323 { -1 }, { -1 }, { -1 }, { -1 }, \
324 { -1 }, { -1 }, { -1 }, \
325
326#define GCLASS(x) (x < 32 ? CLASSA : (x < 52 ? CLASSB : CLASSC))
327#define PCLASS(p) (1 << gclass((p)->n_type))
328#define DECRA(x,y) (((x) >> (y*6)) & 63) /* decode encoded regs */
329#define ENCRA(x,y) ((x) << (6+y*6)) /* encode regs in int */
330#define ENCRD(x) (x) /* Encode dest reg in n_reg */
331
332int COLORMAP(int c, int *r);
333
334extern int bigendian;
335extern int nargregs;
336
337#define SPCON (MAXSPECIAL+1) /* positive constant */
338
339#define TARGET_STDARGS
340#define TARGET_BUILTINS \
341 { "__builtin_stdarg_start", mips_builtin_stdarg_start, 2 }, \
342 { "__builtin_va_arg", mips_builtin_va_arg, 2 }, \
343 { "__builtin_va_end", mips_builtin_va_end, 1 }, \
344 { "__builtin_va_copy", mips_builtin_va_copy, 2 },
345
346struct node;
347struct node *mips_builtin_stdarg_start(struct node *f, struct node *a, unsigned int);
348struct node *mips_builtin_va_arg(struct node *f, struct node *a, unsigned int);
349struct node *mips_builtin_va_end(struct node *f, struct node *a, unsigned int);
350struct node *mips_builtin_va_copy(struct node *f, struct node *a, unsigned int);
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