Commit | Line | Data |
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475772ea | 1 | /* Copyright (C) 2001, 2009, 2010, 2011, 2012, 2013, |
27b3b5b9 | 2 | * 2014, 2015 Free Software Foundation, Inc. |
a98cef7e | 3 | * |
560b9c25 | 4 | * This library is free software; you can redistribute it and/or |
53befeb7 NJ |
5 | * modify it under the terms of the GNU Lesser General Public License |
6 | * as published by the Free Software Foundation; either version 3 of | |
7 | * the License, or (at your option) any later version. | |
a98cef7e | 8 | * |
53befeb7 NJ |
9 | * This library is distributed in the hope that it will be useful, but |
10 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
560b9c25 AW |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | * Lesser General Public License for more details. | |
a98cef7e | 13 | * |
560b9c25 AW |
14 | * You should have received a copy of the GNU Lesser General Public |
15 | * License along with this library; if not, write to the Free Software | |
53befeb7 NJ |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
17 | * 02110-1301 USA | |
560b9c25 | 18 | */ |
a98cef7e | 19 | |
510ca126 AW |
20 | /* This file is included in vm.c multiple times. */ |
21 | ||
22 | ||
6ed55e91 | 23 | #define UNPACK_8_8_8(op,a,b,c) \ |
20b1b913 AW |
24 | do \ |
25 | { \ | |
26 | a = (op >> 8) & 0xff; \ | |
27 | b = (op >> 16) & 0xff; \ | |
28 | c = op >> 24; \ | |
29 | } \ | |
30 | while (0) | |
31 | ||
6ed55e91 | 32 | #define UNPACK_8_16(op,a,b) \ |
20b1b913 AW |
33 | do \ |
34 | { \ | |
35 | a = (op >> 8) & 0xff; \ | |
36 | b = op >> 16; \ | |
37 | } \ | |
38 | while (0) | |
39 | ||
6ed55e91 | 40 | #define UNPACK_16_8(op,a,b) \ |
20b1b913 AW |
41 | do \ |
42 | { \ | |
43 | a = (op >> 8) & 0xffff; \ | |
44 | b = op >> 24; \ | |
45 | } \ | |
46 | while (0) | |
47 | ||
6ed55e91 | 48 | #define UNPACK_12_12(op,a,b) \ |
20b1b913 AW |
49 | do \ |
50 | { \ | |
51 | a = (op >> 8) & 0xfff; \ | |
52 | b = op >> 20; \ | |
53 | } \ | |
54 | while (0) | |
55 | ||
6ed55e91 | 56 | #define UNPACK_24(op,a) \ |
20b1b913 AW |
57 | do \ |
58 | { \ | |
59 | a = op >> 8; \ | |
60 | } \ | |
61 | while (0) | |
62 | ||
63 | ||
8dd6bfa7 AW |
64 | /* Assign some registers by hand. There used to be a bigger list here, |
65 | but it was never tested, and in the case of x86-32, was a source of | |
66 | compilation failures. It can be revived if it's useful, but my naive | |
67 | hope is that simply annotating the locals with "register" will be a | |
68 | sufficient hint to the compiler. */ | |
eac12024 | 69 | #ifdef __GNUC__ |
8dd6bfa7 | 70 | # if defined __x86_64__ |
eac12024 AW |
71 | /* GCC 4.6 chooses %rbp for IP_REG and %rbx for SP_REG, which works |
72 | well. Tell it to keep the jump table in a r12, which is | |
73 | callee-saved. */ | |
8dd6bfa7 AW |
74 | # define JT_REG asm ("r12") |
75 | # endif | |
eac12024 AW |
76 | #endif |
77 | ||
78 | #ifndef IP_REG | |
8dd6bfa7 | 79 | # define IP_REG |
eac12024 | 80 | #endif |
eac12024 | 81 | #ifndef FP_REG |
8dd6bfa7 | 82 | # define FP_REG |
eac12024 AW |
83 | #endif |
84 | #ifndef JT_REG | |
8dd6bfa7 | 85 | # define JT_REG |
eac12024 AW |
86 | #endif |
87 | ||
6ed55e91 AW |
88 | #define VM_ASSERT(condition, handler) \ |
89 | do { \ | |
90 | if (SCM_UNLIKELY (!(condition))) \ | |
91 | { \ | |
56280be9 | 92 | SYNC_IP(); \ |
6ed55e91 AW |
93 | handler; \ |
94 | } \ | |
27c7c630 | 95 | } while (0) |
eac12024 AW |
96 | |
97 | #ifdef VM_ENABLE_ASSERTIONS | |
98 | # define ASSERT(condition) VM_ASSERT (condition, abort()) | |
99 | #else | |
100 | # define ASSERT(condition) | |
101 | #endif | |
102 | ||
c850a0ff | 103 | #if VM_USE_HOOKS |
ea0cd17d | 104 | #define RUN_HOOK(exp) \ |
c850a0ff AW |
105 | do { \ |
106 | if (SCM_UNLIKELY (vp->trace_level > 0)) \ | |
107 | { \ | |
56280be9 | 108 | SYNC_IP (); \ |
ea0cd17d | 109 | exp; \ |
4a1ce016 | 110 | CACHE_FP (); \ |
c850a0ff AW |
111 | } \ |
112 | } while (0) | |
113 | #else | |
ea0cd17d | 114 | #define RUN_HOOK(exp) |
c850a0ff | 115 | #endif |
59f85eed AW |
116 | #define RUN_HOOK0(h) RUN_HOOK (vm_dispatch_##h##_hook (vp)) |
117 | #define RUN_HOOK1(h, arg) RUN_HOOK (vm_dispatch_##h##_hook (vp, arg)) | |
c850a0ff AW |
118 | |
119 | #define APPLY_HOOK() \ | |
ea0cd17d | 120 | RUN_HOOK0 (apply) |
c850a0ff | 121 | #define PUSH_CONTINUATION_HOOK() \ |
ea0cd17d | 122 | RUN_HOOK0 (push_continuation) |
b636cdb0 | 123 | #define POP_CONTINUATION_HOOK(old_fp) \ |
ea0cd17d | 124 | RUN_HOOK1 (pop_continuation, old_fp) |
c850a0ff | 125 | #define NEXT_HOOK() \ |
ea0cd17d | 126 | RUN_HOOK0 (next) |
b636cdb0 | 127 | #define ABORT_CONTINUATION_HOOK() \ |
ea0cd17d | 128 | RUN_HOOK0 (abort) |
c850a0ff AW |
129 | |
130 | #define VM_HANDLE_INTERRUPTS \ | |
aef1fcf9 | 131 | SCM_ASYNC_TICK_WITH_GUARD_CODE (thread, SYNC_IP (), CACHE_FP ()) |
c850a0ff AW |
132 | |
133 | ||
510ca126 AW |
134 | /* Virtual Machine |
135 | ||
c2ae85be | 136 | The VM has three state bits: the instruction pointer (IP), the frame |
510ca126 AW |
137 | pointer (FP), and the top-of-stack pointer (SP). We cache the first |
138 | two of these in machine registers, local to the VM, because they are | |
139 | used extensively by the VM. As the SP is used more by code outside | |
140 | the VM than by the VM itself, we don't bother caching it locally. | |
141 | ||
142 | Since the FP changes infrequently, relative to the IP, we keep vp->fp | |
143 | in sync with the local FP. This would be a big lose for the IP, | |
144 | though, so instead of updating vp->ip all the time, we call SYNC_IP | |
145 | whenever we would need to know the IP of the top frame. In practice, | |
146 | we need to SYNC_IP whenever we call out of the VM to a function that | |
147 | would like to walk the stack, perhaps as the result of an | |
4a1ce016 AW |
148 | exception. |
149 | ||
150 | One more thing. We allow the stack to move, when it expands. | |
151 | Therefore if you call out to a C procedure that could call Scheme | |
152 | code, or otherwise push anything on the stack, you will need to | |
153 | CACHE_FP afterwards to restore the possibly-changed FP. */ | |
510ca126 | 154 | |
56280be9 | 155 | #define SYNC_IP() vp->ip = (ip) |
510ca126 | 156 | |
4a1ce016 AW |
157 | #define CACHE_FP() fp = (vp->fp) |
158 | #define CACHE_REGISTER() \ | |
159 | do { \ | |
160 | ip = vp->ip; \ | |
161 | fp = vp->fp; \ | |
162 | } while (0) | |
163 | ||
164 | ||
510ca126 | 165 | /* Reserve stack space for a frame. Will check that there is sufficient |
b636cdb0 | 166 | stack space for N locals, including the procedure. Invoke after |
c2ae85be AW |
167 | preparing the new frame and setting the fp and ip. |
168 | ||
169 | If there is not enough space for this frame, we try to expand the | |
170 | stack, possibly relocating it somewhere else in the address space. | |
171 | Because of the possible relocation, no pointer into the stack besides | |
172 | FP is valid across an ALLOC_FRAME call. Be careful! */ | |
510ca126 AW |
173 | #define ALLOC_FRAME(n) \ |
174 | do { \ | |
c2ae85be AW |
175 | SCM *new_sp = LOCAL_ADDRESS (n - 1); \ |
176 | if (new_sp > vp->sp_max_since_gc) \ | |
b914b236 | 177 | { \ |
c2ae85be AW |
178 | if (SCM_UNLIKELY (new_sp >= vp->stack_limit)) \ |
179 | { \ | |
180 | SYNC_IP (); \ | |
181 | vm_expand_stack (vp, new_sp); \ | |
182 | CACHE_FP (); \ | |
183 | } \ | |
184 | else \ | |
185 | vp->sp_max_since_gc = vp->sp = new_sp; \ | |
b914b236 | 186 | } \ |
c2ae85be AW |
187 | else \ |
188 | vp->sp = new_sp; \ | |
510ca126 AW |
189 | } while (0) |
190 | ||
191 | /* Reset the current frame to hold N locals. Used when we know that no | |
192 | stack expansion is needed. */ | |
193 | #define RESET_FRAME(n) \ | |
194 | do { \ | |
b636cdb0 | 195 | vp->sp = LOCAL_ADDRESS (n - 1); \ |
7dba1c2f AW |
196 | if (vp->sp > vp->sp_max_since_gc) \ |
197 | vp->sp_max_since_gc = vp->sp; \ | |
510ca126 AW |
198 | } while (0) |
199 | ||
b636cdb0 AW |
200 | /* Compute the number of locals in the frame. At a call, this is equal |
201 | to the number of actual arguments when a function is first called, | |
202 | plus one for the function. */ | |
203 | #define FRAME_LOCALS_COUNT_FROM(slot) \ | |
204 | (vp->sp + 1 - LOCAL_ADDRESS (slot)) | |
205 | #define FRAME_LOCALS_COUNT() \ | |
206 | FRAME_LOCALS_COUNT_FROM (0) | |
510ca126 AW |
207 | |
208 | /* Restore registers after returning from a frame. */ | |
209 | #define RESTORE_FRAME() \ | |
210 | do { \ | |
211 | } while (0) | |
212 | ||
213 | ||
510ca126 AW |
214 | #ifdef HAVE_LABELS_AS_VALUES |
215 | # define BEGIN_DISPATCH_SWITCH /* */ | |
216 | # define END_DISPATCH_SWITCH /* */ | |
217 | # define NEXT(n) \ | |
218 | do \ | |
219 | { \ | |
220 | ip += n; \ | |
221 | NEXT_HOOK (); \ | |
222 | op = *ip; \ | |
223 | goto *jump_table[op & 0xff]; \ | |
224 | } \ | |
225 | while (0) | |
226 | # define VM_DEFINE_OP(opcode, tag, name, meta) \ | |
227 | op_##tag: | |
228 | #else | |
229 | # define BEGIN_DISPATCH_SWITCH \ | |
230 | vm_start: \ | |
231 | NEXT_HOOK (); \ | |
232 | op = *ip; \ | |
233 | switch (op & 0xff) \ | |
234 | { | |
235 | # define END_DISPATCH_SWITCH \ | |
510ca126 AW |
236 | } |
237 | # define NEXT(n) \ | |
238 | do \ | |
239 | { \ | |
240 | ip += n; \ | |
241 | goto vm_start; \ | |
242 | } \ | |
243 | while (0) | |
244 | # define VM_DEFINE_OP(opcode, tag, name, meta) \ | |
245 | op_##tag: \ | |
246 | case opcode: | |
247 | #endif | |
248 | ||
b636cdb0 AW |
249 | #define LOCAL_ADDRESS(i) (&SCM_FRAME_LOCAL (fp, i)) |
250 | #define LOCAL_REF(i) SCM_FRAME_LOCAL (fp, i) | |
251 | #define LOCAL_SET(i,o) SCM_FRAME_LOCAL (fp, i) = o | |
510ca126 AW |
252 | |
253 | #define VARIABLE_REF(v) SCM_VARIABLE_REF (v) | |
254 | #define VARIABLE_SET(v,o) SCM_VARIABLE_SET (v, o) | |
255 | #define VARIABLE_BOUNDP(v) (!scm_is_eq (VARIABLE_REF (v), SCM_UNDEFINED)) | |
510ca126 AW |
256 | |
257 | #define RETURN_ONE_VALUE(ret) \ | |
258 | do { \ | |
259 | SCM val = ret; \ | |
4a1ce016 | 260 | SCM *old_fp; \ |
510ca126 | 261 | VM_HANDLE_INTERRUPTS; \ |
4a1ce016 | 262 | old_fp = fp; \ |
9121d9f1 | 263 | ip = SCM_FRAME_RETURN_ADDRESS (fp); \ |
510ca126 | 264 | fp = vp->fp = SCM_FRAME_DYNAMIC_LINK (fp); \ |
af95414f | 265 | /* Clear frame. */ \ |
b636cdb0 AW |
266 | old_fp[-1] = SCM_BOOL_F; \ |
267 | old_fp[-2] = SCM_BOOL_F; \ | |
af95414f | 268 | /* Leave proc. */ \ |
b636cdb0 AW |
269 | SCM_FRAME_LOCAL (old_fp, 1) = val; \ |
270 | vp->sp = &SCM_FRAME_LOCAL (old_fp, 1); \ | |
271 | POP_CONTINUATION_HOOK (old_fp); \ | |
510ca126 AW |
272 | NEXT (0); \ |
273 | } while (0) | |
274 | ||
275 | /* While we could generate the list-unrolling code here, it's fine for | |
276 | now to just tail-call (apply values vals). */ | |
277 | #define RETURN_VALUE_LIST(vals_) \ | |
278 | do { \ | |
279 | SCM vals = vals_; \ | |
280 | VM_HANDLE_INTERRUPTS; \ | |
b636cdb0 AW |
281 | fp[0] = vm_builtin_apply; \ |
282 | fp[1] = vm_builtin_values; \ | |
283 | fp[2] = vals; \ | |
7396d216 | 284 | RESET_FRAME (3); \ |
486013d6 | 285 | ip = (scm_t_uint32 *) vm_builtin_apply_code; \ |
adb8d905 | 286 | goto op_tail_apply; \ |
510ca126 AW |
287 | } while (0) |
288 | ||
289 | #define BR_NARGS(rel) \ | |
d2bd8fa8 | 290 | scm_t_uint32 expected; \ |
20b1b913 | 291 | UNPACK_24 (op, expected); \ |
510ca126 AW |
292 | if (FRAME_LOCALS_COUNT() rel expected) \ |
293 | { \ | |
294 | scm_t_int32 offset = ip[1]; \ | |
295 | offset >>= 8; /* Sign-extending shift. */ \ | |
296 | NEXT (offset); \ | |
297 | } \ | |
298 | NEXT (2) | |
299 | ||
300 | #define BR_UNARY(x, exp) \ | |
301 | scm_t_uint32 test; \ | |
302 | SCM x; \ | |
20b1b913 | 303 | UNPACK_24 (op, test); \ |
510ca126 AW |
304 | x = LOCAL_REF (test); \ |
305 | if ((ip[1] & 0x1) ? !(exp) : (exp)) \ | |
306 | { \ | |
307 | scm_t_int32 offset = ip[1]; \ | |
308 | offset >>= 8; /* Sign-extending shift. */ \ | |
fcd3c8cc | 309 | if (offset <= 0) \ |
510ca126 AW |
310 | VM_HANDLE_INTERRUPTS; \ |
311 | NEXT (offset); \ | |
312 | } \ | |
313 | NEXT (2) | |
314 | ||
315 | #define BR_BINARY(x, y, exp) \ | |
316 | scm_t_uint16 a, b; \ | |
317 | SCM x, y; \ | |
20b1b913 | 318 | UNPACK_12_12 (op, a, b); \ |
510ca126 AW |
319 | x = LOCAL_REF (a); \ |
320 | y = LOCAL_REF (b); \ | |
321 | if ((ip[1] & 0x1) ? !(exp) : (exp)) \ | |
322 | { \ | |
323 | scm_t_int32 offset = ip[1]; \ | |
324 | offset >>= 8; /* Sign-extending shift. */ \ | |
fcd3c8cc | 325 | if (offset <= 0) \ |
510ca126 AW |
326 | VM_HANDLE_INTERRUPTS; \ |
327 | NEXT (offset); \ | |
328 | } \ | |
329 | NEXT (2) | |
330 | ||
331 | #define BR_ARITHMETIC(crel,srel) \ | |
332 | { \ | |
333 | scm_t_uint16 a, b; \ | |
334 | SCM x, y; \ | |
20b1b913 | 335 | UNPACK_12_12 (op, a, b); \ |
510ca126 AW |
336 | x = LOCAL_REF (a); \ |
337 | y = LOCAL_REF (b); \ | |
338 | if (SCM_I_INUMP (x) && SCM_I_INUMP (y)) \ | |
339 | { \ | |
340 | scm_t_signed_bits x_bits = SCM_UNPACK (x); \ | |
341 | scm_t_signed_bits y_bits = SCM_UNPACK (y); \ | |
af95414f | 342 | if ((ip[1] & 0x1) ? !(x_bits crel y_bits) : (x_bits crel y_bits)) \ |
510ca126 AW |
343 | { \ |
344 | scm_t_int32 offset = ip[1]; \ | |
345 | offset >>= 8; /* Sign-extending shift. */ \ | |
fcd3c8cc | 346 | if (offset <= 0) \ |
510ca126 AW |
347 | VM_HANDLE_INTERRUPTS; \ |
348 | NEXT (offset); \ | |
349 | } \ | |
350 | NEXT (2); \ | |
351 | } \ | |
352 | else \ | |
353 | { \ | |
af95414f | 354 | SCM res; \ |
510ca126 | 355 | SYNC_IP (); \ |
af95414f | 356 | res = srel (x, y); \ |
4a1ce016 | 357 | CACHE_FP (); \ |
af95414f | 358 | if ((ip[1] & 0x1) ? scm_is_false (res) : scm_is_true (res)) \ |
510ca126 AW |
359 | { \ |
360 | scm_t_int32 offset = ip[1]; \ | |
361 | offset >>= 8; /* Sign-extending shift. */ \ | |
fcd3c8cc | 362 | if (offset <= 0) \ |
510ca126 AW |
363 | VM_HANDLE_INTERRUPTS; \ |
364 | NEXT (offset); \ | |
365 | } \ | |
366 | NEXT (2); \ | |
367 | } \ | |
368 | } | |
369 | ||
370 | #define ARGS1(a1) \ | |
371 | scm_t_uint16 dst, src; \ | |
372 | SCM a1; \ | |
20b1b913 | 373 | UNPACK_12_12 (op, dst, src); \ |
510ca126 AW |
374 | a1 = LOCAL_REF (src) |
375 | #define ARGS2(a1, a2) \ | |
376 | scm_t_uint8 dst, src1, src2; \ | |
377 | SCM a1, a2; \ | |
20b1b913 | 378 | UNPACK_8_8_8 (op, dst, src1, src2); \ |
510ca126 AW |
379 | a1 = LOCAL_REF (src1); \ |
380 | a2 = LOCAL_REF (src2) | |
381 | #define RETURN(x) \ | |
382 | do { LOCAL_SET (dst, x); NEXT (1); } while (0) | |
4a1ce016 AW |
383 | #define RETURN_EXP(exp) \ |
384 | do { SCM __x; SYNC_IP (); __x = exp; CACHE_FP (); RETURN (__x); } while (0) | |
510ca126 AW |
385 | |
386 | /* The maximum/minimum tagged integers. */ | |
d2295ba5 MW |
387 | #define INUM_MAX \ |
388 | ((scm_t_signed_bits) SCM_UNPACK (SCM_I_MAKINUM (SCM_MOST_POSITIVE_FIXNUM))) | |
389 | #define INUM_MIN \ | |
390 | ((scm_t_signed_bits) SCM_UNPACK (SCM_I_MAKINUM (SCM_MOST_NEGATIVE_FIXNUM))) | |
391 | #define INUM_STEP \ | |
392 | ((scm_t_signed_bits) SCM_UNPACK (SCM_INUM1) \ | |
393 | - (scm_t_signed_bits) SCM_UNPACK (SCM_INUM0)) | |
510ca126 AW |
394 | |
395 | #define BINARY_INTEGER_OP(CFUNC,SFUNC) \ | |
396 | { \ | |
397 | ARGS2 (x, y); \ | |
398 | if (SCM_I_INUMP (x) && SCM_I_INUMP (y)) \ | |
399 | { \ | |
400 | scm_t_int64 n = SCM_I_INUM (x) CFUNC SCM_I_INUM (y); \ | |
401 | if (SCM_FIXABLE (n)) \ | |
402 | RETURN (SCM_I_MAKINUM (n)); \ | |
403 | } \ | |
4a1ce016 | 404 | RETURN_EXP (SFUNC (x, y)); \ |
510ca126 AW |
405 | } |
406 | ||
407 | #define VM_VALIDATE_PAIR(x, proc) \ | |
408 | VM_ASSERT (scm_is_pair (x), vm_error_not_a_pair (proc, x)) | |
409 | ||
410 | #define VM_VALIDATE_STRUCT(obj, proc) \ | |
411 | VM_ASSERT (SCM_STRUCTP (obj), vm_error_not_a_pair (proc, obj)) | |
412 | ||
413 | #define VM_VALIDATE_BYTEVECTOR(x, proc) \ | |
414 | VM_ASSERT (SCM_BYTEVECTOR_P (x), vm_error_not_a_bytevector (proc, x)) | |
415 | ||
416 | /* Return true (non-zero) if PTR has suitable alignment for TYPE. */ | |
417 | #define ALIGNED_P(ptr, type) \ | |
418 | ((scm_t_uintptr) (ptr) % alignof_type (type) == 0) | |
419 | ||
420 | static SCM | |
aef1fcf9 | 421 | VM_NAME (scm_i_thread *thread, struct scm_vm *vp, |
dd1c7dec | 422 | scm_i_jmp_buf *registers, int resume) |
510ca126 AW |
423 | { |
424 | /* Instruction pointer: A pointer to the opcode that is currently | |
425 | running. */ | |
426 | register scm_t_uint32 *ip IP_REG; | |
427 | ||
428 | /* Frame pointer: A pointer into the stack, off of which we index | |
429 | arguments and local variables. Pushed at function calls, popped on | |
430 | returns. */ | |
431 | register SCM *fp FP_REG; | |
432 | ||
433 | /* Current opcode: A cache of *ip. */ | |
434 | register scm_t_uint32 op; | |
435 | ||
510ca126 | 436 | #ifdef HAVE_LABELS_AS_VALUES |
d86682ba AW |
437 | static const void *jump_table_[256] = { |
438 | #define LABEL_ADDR(opcode, tag, name, meta) &&op_##tag, | |
439 | FOR_EACH_VM_OPERATION(LABEL_ADDR) | |
440 | #undef LABEL_ADDR | |
441 | }; | |
510ca126 | 442 | register const void **jump_table JT_REG; |
510ca126 AW |
443 | /* Attempt to keep JUMP_TABLE_POINTER in a register. This saves one |
444 | load instruction at each instruction dispatch. */ | |
d86682ba | 445 | jump_table = jump_table_; |
510ca126 AW |
446 | #endif |
447 | ||
bd63e5b2 | 448 | /* Load VM registers. */ |
510ca126 AW |
449 | CACHE_REGISTER (); |
450 | ||
451 | VM_HANDLE_INTERRUPTS; | |
452 | ||
dd1c7dec AW |
453 | /* Usually a call to the VM happens on application, with the boot |
454 | continuation on the next frame. Sometimes it happens after a | |
455 | non-local exit however; in that case the VM state is all set up, | |
456 | and we have but to jump to the next opcode. */ | |
457 | if (SCM_UNLIKELY (resume)) | |
458 | NEXT (0); | |
459 | ||
510ca126 | 460 | apply: |
73fc4e73 | 461 | while (!SCM_PROGRAM_P (LOCAL_REF (0))) |
510ca126 | 462 | { |
73fc4e73 | 463 | SCM proc = LOCAL_REF (0); |
510ca126 AW |
464 | |
465 | if (SCM_STRUCTP (proc) && SCM_STRUCT_APPLICABLE_P (proc)) | |
466 | { | |
b636cdb0 | 467 | LOCAL_SET (0, SCM_STRUCT_PROCEDURE (proc)); |
510ca126 AW |
468 | continue; |
469 | } | |
470 | if (SCM_HAS_TYP7 (proc, scm_tc7_smob) && SCM_SMOB_APPLICABLE_P (proc)) | |
471 | { | |
472 | scm_t_uint32 n = FRAME_LOCALS_COUNT(); | |
473 | ||
9d87158f AW |
474 | /* Shuffle args up. */ |
475 | RESET_FRAME (n + 1); | |
510ca126 AW |
476 | while (n--) |
477 | LOCAL_SET (n + 1, LOCAL_REF (n)); | |
510ca126 | 478 | |
9d87158f | 479 | LOCAL_SET (0, SCM_SMOB_DESCRIPTOR (proc).apply_trampoline); |
510ca126 AW |
480 | continue; |
481 | } | |
482 | ||
483 | SYNC_IP(); | |
484 | vm_error_wrong_type_apply (proc); | |
510ca126 AW |
485 | } |
486 | ||
487 | /* Let's go! */ | |
73fc4e73 | 488 | ip = SCM_PROGRAM_CODE (LOCAL_REF (0)); |
f5cb70e9 AW |
489 | |
490 | APPLY_HOOK (); | |
491 | ||
510ca126 AW |
492 | NEXT (0); |
493 | ||
494 | BEGIN_DISPATCH_SWITCH; | |
495 | ||
496 | ||
497 | \f | |
498 | ||
499 | /* | |
500 | * Call and return | |
501 | */ | |
502 | ||
503 | /* halt _:24 | |
504 | * | |
af95414f | 505 | * Bring the VM to a halt, returning all the values from the stack. |
510ca126 AW |
506 | */ |
507 | VM_DEFINE_OP (0, halt, "halt", OP1 (U8_X24)) | |
508 | { | |
f8085163 | 509 | /* Boot closure in r0, empty frame in r1/r2, proc in r3, values from r4. */ |
510ca126 | 510 | |
b636cdb0 AW |
511 | scm_t_uint32 nvals = FRAME_LOCALS_COUNT_FROM (4); |
512 | SCM ret; | |
513 | ||
af95414f | 514 | if (nvals == 1) |
f8085163 | 515 | ret = LOCAL_REF (4); |
af95414f AW |
516 | else |
517 | { | |
518 | scm_t_uint32 n; | |
519 | ret = SCM_EOL; | |
af95414f | 520 | for (n = nvals; n > 0; n--) |
aef1fcf9 | 521 | ret = scm_inline_cons (thread, LOCAL_REF (4 + n - 1), ret); |
af95414f AW |
522 | ret = scm_values (ret); |
523 | } | |
510ca126 AW |
524 | |
525 | vp->ip = SCM_FRAME_RETURN_ADDRESS (fp); | |
b636cdb0 | 526 | vp->sp = SCM_FRAME_PREVIOUS_SP (fp); |
510ca126 AW |
527 | vp->fp = SCM_FRAME_DYNAMIC_LINK (fp); |
528 | ||
af95414f | 529 | return ret; |
286a0fb3 AW |
530 | } |
531 | ||
af95414f | 532 | /* call proc:24 _:8 nlocals:24 |
286a0fb3 | 533 | * |
af95414f | 534 | * Call a procedure. PROC is the local corresponding to a procedure. |
ddf0d7bb | 535 | * The two values below PROC will be overwritten by the saved call |
af95414f AW |
536 | * frame data. The new frame will have space for NLOCALS locals: one |
537 | * for the procedure, and the rest for the arguments which should | |
538 | * already have been pushed on. | |
510ca126 | 539 | * |
af95414f AW |
540 | * When the call returns, execution proceeds with the next |
541 | * instruction. There may be any number of values on the return | |
542 | * stack; the precise number can be had by subtracting the address of | |
543 | * PROC from the post-call SP. | |
510ca126 | 544 | */ |
af95414f | 545 | VM_DEFINE_OP (1, call, "call", OP2 (U8_U24, X8_U24)) |
510ca126 | 546 | { |
af95414f | 547 | scm_t_uint32 proc, nlocals; |
4a1ce016 | 548 | SCM *old_fp; |
510ca126 | 549 | |
20b1b913 AW |
550 | UNPACK_24 (op, proc); |
551 | UNPACK_24 (ip[1], nlocals); | |
510ca126 AW |
552 | |
553 | VM_HANDLE_INTERRUPTS; | |
554 | ||
f5cb70e9 AW |
555 | PUSH_CONTINUATION_HOOK (); |
556 | ||
4a1ce016 | 557 | old_fp = fp; |
af95414f | 558 | fp = vp->fp = old_fp + proc; |
510ca126 | 559 | SCM_FRAME_SET_DYNAMIC_LINK (fp, old_fp); |
9121d9f1 | 560 | SCM_FRAME_SET_RETURN_ADDRESS (fp, ip + 2); |
510ca126 | 561 | |
af95414f AW |
562 | RESET_FRAME (nlocals); |
563 | ||
73fc4e73 | 564 | if (SCM_UNLIKELY (!SCM_PROGRAM_P (LOCAL_REF (0)))) |
510ca126 AW |
565 | goto apply; |
566 | ||
73fc4e73 | 567 | ip = SCM_PROGRAM_CODE (LOCAL_REF (0)); |
f5cb70e9 AW |
568 | |
569 | APPLY_HOOK (); | |
570 | ||
510ca126 AW |
571 | NEXT (0); |
572 | } | |
573 | ||
b3ae2b50 AW |
574 | /* call-label proc:24 _:8 nlocals:24 label:32 |
575 | * | |
576 | * Call a procedure in the same compilation unit. | |
577 | * | |
578 | * This instruction is just like "call", except that instead of | |
579 | * dereferencing PROC to find the call target, the call target is | |
580 | * known to be at LABEL, a signed 32-bit offset in 32-bit units from | |
581 | * the current IP. Since PROC is not dereferenced, it may be some | |
582 | * other representation of the closure. | |
583 | */ | |
584 | VM_DEFINE_OP (2, call_label, "call-label", OP3 (U8_U24, X8_U24, L32)) | |
585 | { | |
586 | scm_t_uint32 proc, nlocals; | |
587 | scm_t_int32 label; | |
588 | SCM *old_fp; | |
589 | ||
590 | UNPACK_24 (op, proc); | |
591 | UNPACK_24 (ip[1], nlocals); | |
592 | label = ip[2]; | |
593 | ||
594 | VM_HANDLE_INTERRUPTS; | |
595 | ||
f5cb70e9 AW |
596 | PUSH_CONTINUATION_HOOK (); |
597 | ||
b3ae2b50 AW |
598 | old_fp = fp; |
599 | fp = vp->fp = old_fp + proc; | |
600 | SCM_FRAME_SET_DYNAMIC_LINK (fp, old_fp); | |
601 | SCM_FRAME_SET_RETURN_ADDRESS (fp, ip + 3); | |
602 | ||
603 | RESET_FRAME (nlocals); | |
604 | ||
f5cb70e9 AW |
605 | ip += label; |
606 | ||
b3ae2b50 AW |
607 | APPLY_HOOK (); |
608 | ||
f5cb70e9 | 609 | NEXT (0); |
b3ae2b50 AW |
610 | } |
611 | ||
af95414f | 612 | /* tail-call nlocals:24 |
510ca126 | 613 | * |
af95414f | 614 | * Tail-call a procedure. Requires that the procedure and all of the |
486013d6 AW |
615 | * arguments have already been shuffled into position. Will reset the |
616 | * frame to NLOCALS. | |
510ca126 | 617 | */ |
b3ae2b50 | 618 | VM_DEFINE_OP (3, tail_call, "tail-call", OP1 (U8_U24)) |
510ca126 | 619 | { |
af95414f AW |
620 | scm_t_uint32 nlocals; |
621 | ||
20b1b913 | 622 | UNPACK_24 (op, nlocals); |
510ca126 AW |
623 | |
624 | VM_HANDLE_INTERRUPTS; | |
625 | ||
af95414f | 626 | RESET_FRAME (nlocals); |
486013d6 | 627 | |
73fc4e73 | 628 | if (SCM_UNLIKELY (!SCM_PROGRAM_P (LOCAL_REF (0)))) |
486013d6 AW |
629 | goto apply; |
630 | ||
73fc4e73 | 631 | ip = SCM_PROGRAM_CODE (LOCAL_REF (0)); |
f5cb70e9 AW |
632 | |
633 | APPLY_HOOK (); | |
634 | ||
486013d6 AW |
635 | NEXT (0); |
636 | } | |
637 | ||
b3ae2b50 AW |
638 | /* tail-call-label nlocals:24 label:32 |
639 | * | |
640 | * Tail-call a known procedure. As call is to call-label, tail-call | |
641 | * is to tail-call-label. | |
642 | */ | |
643 | VM_DEFINE_OP (4, tail_call_label, "tail-call-label", OP2 (U8_U24, L32)) | |
644 | { | |
645 | scm_t_uint32 nlocals; | |
646 | scm_t_int32 label; | |
647 | ||
648 | UNPACK_24 (op, nlocals); | |
649 | label = ip[1]; | |
650 | ||
651 | VM_HANDLE_INTERRUPTS; | |
652 | ||
653 | RESET_FRAME (nlocals); | |
654 | ||
f5cb70e9 AW |
655 | ip += label; |
656 | ||
b3ae2b50 AW |
657 | APPLY_HOOK (); |
658 | ||
f5cb70e9 | 659 | NEXT (0); |
b3ae2b50 AW |
660 | } |
661 | ||
486013d6 AW |
662 | /* tail-call/shuffle from:24 |
663 | * | |
664 | * Tail-call a procedure. The procedure should already be set to slot | |
665 | * 0. The rest of the args are taken from the frame, starting at | |
666 | * FROM, shuffled down to start at slot 0. This is part of the | |
667 | * implementation of the call-with-values builtin. | |
668 | */ | |
b3ae2b50 | 669 | VM_DEFINE_OP (5, tail_call_shuffle, "tail-call/shuffle", OP1 (U8_U24)) |
486013d6 AW |
670 | { |
671 | scm_t_uint32 n, from, nlocals; | |
672 | ||
20b1b913 | 673 | UNPACK_24 (op, from); |
486013d6 AW |
674 | |
675 | VM_HANDLE_INTERRUPTS; | |
676 | ||
677 | VM_ASSERT (from > 0, abort ()); | |
678 | nlocals = FRAME_LOCALS_COUNT (); | |
679 | ||
680 | for (n = 0; from + n < nlocals; n++) | |
681 | LOCAL_SET (n + 1, LOCAL_REF (from + n)); | |
682 | ||
683 | RESET_FRAME (n + 1); | |
684 | ||
73fc4e73 | 685 | if (SCM_UNLIKELY (!SCM_PROGRAM_P (LOCAL_REF (0)))) |
510ca126 AW |
686 | goto apply; |
687 | ||
73fc4e73 | 688 | ip = SCM_PROGRAM_CODE (LOCAL_REF (0)); |
f5cb70e9 AW |
689 | |
690 | APPLY_HOOK (); | |
691 | ||
510ca126 AW |
692 | NEXT (0); |
693 | } | |
694 | ||
af95414f | 695 | /* receive dst:12 proc:12 _:8 nlocals:24 |
510ca126 | 696 | * |
af95414f AW |
697 | * Receive a single return value from a call whose procedure was in |
698 | * PROC, asserting that the call actually returned at least one | |
699 | * value. Afterwards, resets the frame to NLOCALS locals. | |
510ca126 | 700 | */ |
b3ae2b50 | 701 | VM_DEFINE_OP (6, receive, "receive", OP2 (U8_U12_U12, X8_U24) | OP_DST) |
510ca126 | 702 | { |
af95414f AW |
703 | scm_t_uint16 dst, proc; |
704 | scm_t_uint32 nlocals; | |
20b1b913 AW |
705 | UNPACK_12_12 (op, dst, proc); |
706 | UNPACK_24 (ip[1], nlocals); | |
af95414f AW |
707 | VM_ASSERT (FRAME_LOCALS_COUNT () > proc + 1, vm_error_no_values ()); |
708 | LOCAL_SET (dst, LOCAL_REF (proc + 1)); | |
709 | RESET_FRAME (nlocals); | |
710 | NEXT (2); | |
711 | } | |
510ca126 | 712 | |
82f4bac4 | 713 | /* receive-values proc:24 allow-extra?:1 _:7 nvalues:24 |
af95414f AW |
714 | * |
715 | * Receive a return of multiple values from a call whose procedure was | |
716 | * in PROC. If fewer than NVALUES values were returned, signal an | |
82f4bac4 AW |
717 | * error. Unless ALLOW-EXTRA? is true, require that the number of |
718 | * return values equals NVALUES exactly. After receive-values has | |
719 | * run, the values can be copied down via `mov'. | |
af95414f | 720 | */ |
b3ae2b50 | 721 | VM_DEFINE_OP (7, receive_values, "receive-values", OP2 (U8_U24, B1_X7_U24)) |
af95414f AW |
722 | { |
723 | scm_t_uint32 proc, nvalues; | |
20b1b913 AW |
724 | UNPACK_24 (op, proc); |
725 | UNPACK_24 (ip[1], nvalues); | |
82f4bac4 AW |
726 | if (ip[1] & 0x1) |
727 | VM_ASSERT (FRAME_LOCALS_COUNT () > proc + nvalues, | |
728 | vm_error_not_enough_values ()); | |
729 | else | |
186b56c4 | 730 | VM_ASSERT (FRAME_LOCALS_COUNT () == proc + 1 + nvalues, |
82f4bac4 | 731 | vm_error_wrong_number_of_values (nvalues)); |
af95414f | 732 | NEXT (2); |
510ca126 AW |
733 | } |
734 | ||
735 | /* return src:24 | |
736 | * | |
737 | * Return a value. | |
738 | */ | |
b3ae2b50 | 739 | VM_DEFINE_OP (8, return, "return", OP1 (U8_U24)) |
510ca126 AW |
740 | { |
741 | scm_t_uint32 src; | |
20b1b913 | 742 | UNPACK_24 (op, src); |
510ca126 AW |
743 | RETURN_ONE_VALUE (LOCAL_REF (src)); |
744 | } | |
745 | ||
84cc4127 | 746 | /* return-values _:24 |
510ca126 AW |
747 | * |
748 | * Return a number of values from a call frame. This opcode | |
749 | * corresponds to an application of `values' in tail position. As | |
af95414f AW |
750 | * with tail calls, we expect that the values have already been |
751 | * shuffled down to a contiguous array starting at slot 1. | |
84cc4127 | 752 | * We also expect the frame has already been reset. |
510ca126 | 753 | */ |
b3ae2b50 | 754 | VM_DEFINE_OP (9, return_values, "return-values", OP1 (U8_X24)) |
510ca126 | 755 | { |
4a1ce016 | 756 | SCM *old_fp; |
af95414f | 757 | |
af95414f | 758 | VM_HANDLE_INTERRUPTS; |
4a1ce016 AW |
759 | |
760 | old_fp = fp; | |
9121d9f1 | 761 | ip = SCM_FRAME_RETURN_ADDRESS (fp); |
af95414f AW |
762 | fp = vp->fp = SCM_FRAME_DYNAMIC_LINK (fp); |
763 | ||
764 | /* Clear stack frame. */ | |
b636cdb0 AW |
765 | old_fp[-1] = SCM_BOOL_F; |
766 | old_fp[-2] = SCM_BOOL_F; | |
af95414f | 767 | |
b636cdb0 | 768 | POP_CONTINUATION_HOOK (old_fp); |
af95414f AW |
769 | |
770 | NEXT (0); | |
510ca126 AW |
771 | } |
772 | ||
773 | ||
774 | \f | |
775 | ||
776 | /* | |
777 | * Specialized call stubs | |
778 | */ | |
779 | ||
780 | /* subr-call ptr-idx:24 | |
781 | * | |
782 | * Call a subr, passing all locals in this frame as arguments. Fetch | |
783 | * the foreign pointer from PTR-IDX, a free variable. Return from the | |
784 | * calling frame. This instruction is part of the trampolines | |
785 | * created in gsubr.c, and is not generated by the compiler. | |
786 | */ | |
b3ae2b50 | 787 | VM_DEFINE_OP (10, subr_call, "subr-call", OP1 (U8_U24)) |
510ca126 AW |
788 | { |
789 | scm_t_uint32 ptr_idx; | |
790 | SCM pointer, ret; | |
791 | SCM (*subr)(); | |
792 | ||
20b1b913 | 793 | UNPACK_24 (op, ptr_idx); |
510ca126 | 794 | |
d798a895 | 795 | pointer = SCM_PROGRAM_FREE_VARIABLE_REF (LOCAL_REF (0), ptr_idx); |
510ca126 AW |
796 | subr = SCM_POINTER_VALUE (pointer); |
797 | ||
510ca126 AW |
798 | SYNC_IP (); |
799 | ||
b636cdb0 | 800 | switch (FRAME_LOCALS_COUNT_FROM (1)) |
510ca126 AW |
801 | { |
802 | case 0: | |
803 | ret = subr (); | |
804 | break; | |
805 | case 1: | |
b636cdb0 | 806 | ret = subr (fp[1]); |
510ca126 AW |
807 | break; |
808 | case 2: | |
b636cdb0 | 809 | ret = subr (fp[1], fp[2]); |
510ca126 AW |
810 | break; |
811 | case 3: | |
b636cdb0 | 812 | ret = subr (fp[1], fp[2], fp[3]); |
510ca126 AW |
813 | break; |
814 | case 4: | |
b636cdb0 | 815 | ret = subr (fp[1], fp[2], fp[3], fp[4]); |
510ca126 AW |
816 | break; |
817 | case 5: | |
b636cdb0 | 818 | ret = subr (fp[1], fp[2], fp[3], fp[4], fp[5]); |
510ca126 AW |
819 | break; |
820 | case 6: | |
b636cdb0 | 821 | ret = subr (fp[1], fp[2], fp[3], fp[4], fp[5], fp[6]); |
510ca126 AW |
822 | break; |
823 | case 7: | |
b636cdb0 | 824 | ret = subr (fp[1], fp[2], fp[3], fp[4], fp[5], fp[6], fp[7]); |
510ca126 AW |
825 | break; |
826 | case 8: | |
b636cdb0 | 827 | ret = subr (fp[1], fp[2], fp[3], fp[4], fp[5], fp[6], fp[7], fp[8]); |
510ca126 AW |
828 | break; |
829 | case 9: | |
b636cdb0 | 830 | ret = subr (fp[1], fp[2], fp[3], fp[4], fp[5], fp[6], fp[7], fp[8], fp[9]); |
510ca126 AW |
831 | break; |
832 | case 10: | |
b636cdb0 | 833 | ret = subr (fp[1], fp[2], fp[3], fp[4], fp[5], fp[6], fp[7], fp[8], fp[9], fp[10]); |
510ca126 AW |
834 | break; |
835 | default: | |
836 | abort (); | |
837 | } | |
838 | ||
4a1ce016 | 839 | CACHE_FP (); |
510ca126 AW |
840 | |
841 | if (SCM_UNLIKELY (SCM_VALUESP (ret))) | |
842 | /* multiple values returned to continuation */ | |
843 | RETURN_VALUE_LIST (scm_struct_ref (ret, SCM_INUM0)); | |
844 | else | |
845 | RETURN_ONE_VALUE (ret); | |
846 | } | |
847 | ||
848 | /* foreign-call cif-idx:12 ptr-idx:12 | |
849 | * | |
850 | * Call a foreign function. Fetch the CIF and foreign pointer from | |
851 | * CIF-IDX and PTR-IDX, both free variables. Return from the calling | |
852 | * frame. Arguments are taken from the stack. This instruction is | |
853 | * part of the trampolines created by the FFI, and is not generated by | |
854 | * the compiler. | |
855 | */ | |
b3ae2b50 | 856 | VM_DEFINE_OP (11, foreign_call, "foreign-call", OP1 (U8_U12_U12)) |
510ca126 AW |
857 | { |
858 | scm_t_uint16 cif_idx, ptr_idx; | |
7396d216 | 859 | SCM closure, cif, pointer, ret; |
510ca126 | 860 | |
20b1b913 | 861 | UNPACK_12_12 (op, cif_idx, ptr_idx); |
510ca126 | 862 | |
7396d216 | 863 | closure = LOCAL_REF (0); |
d798a895 AW |
864 | cif = SCM_PROGRAM_FREE_VARIABLE_REF (closure, cif_idx); |
865 | pointer = SCM_PROGRAM_FREE_VARIABLE_REF (closure, ptr_idx); | |
510ca126 AW |
866 | |
867 | SYNC_IP (); | |
510ca126 AW |
868 | |
869 | // FIXME: separate args | |
aef1fcf9 AW |
870 | ret = scm_i_foreign_call (scm_inline_cons (thread, cif, pointer), |
871 | LOCAL_ADDRESS (1)); | |
510ca126 | 872 | |
4a1ce016 | 873 | CACHE_FP (); |
510ca126 AW |
874 | |
875 | if (SCM_UNLIKELY (SCM_VALUESP (ret))) | |
876 | /* multiple values returned to continuation */ | |
877 | RETURN_VALUE_LIST (scm_struct_ref (ret, SCM_INUM0)); | |
878 | else | |
879 | RETURN_ONE_VALUE (ret); | |
880 | } | |
881 | ||
882 | /* continuation-call contregs:24 | |
883 | * | |
884 | * Return to a continuation, nonlocally. The arguments to the | |
885 | * continuation are taken from the stack. CONTREGS is a free variable | |
886 | * containing the reified continuation. This instruction is part of | |
887 | * the implementation of undelimited continuations, and is not | |
888 | * generated by the compiler. | |
889 | */ | |
b3ae2b50 | 890 | VM_DEFINE_OP (12, continuation_call, "continuation-call", OP1 (U8_U24)) |
510ca126 AW |
891 | { |
892 | SCM contregs; | |
893 | scm_t_uint32 contregs_idx; | |
894 | ||
20b1b913 | 895 | UNPACK_24 (op, contregs_idx); |
510ca126 | 896 | |
7396d216 | 897 | contregs = |
d798a895 | 898 | SCM_PROGRAM_FREE_VARIABLE_REF (LOCAL_REF (0), contregs_idx); |
510ca126 AW |
899 | |
900 | SYNC_IP (); | |
901 | scm_i_check_continuation (contregs); | |
796e54a7 | 902 | vm_return_to_continuation (scm_i_contregs_vp (contregs), |
510ca126 | 903 | scm_i_contregs_vm_cont (contregs), |
b636cdb0 AW |
904 | FRAME_LOCALS_COUNT_FROM (1), |
905 | LOCAL_ADDRESS (1)); | |
510ca126 AW |
906 | scm_i_reinstate_continuation (contregs); |
907 | ||
908 | /* no NEXT */ | |
909 | abort (); | |
910 | } | |
911 | ||
912 | /* compose-continuation cont:24 | |
913 | * | |
914 | * Compose a partial continution with the current continuation. The | |
915 | * arguments to the continuation are taken from the stack. CONT is a | |
916 | * free variable containing the reified continuation. This | |
917 | * instruction is part of the implementation of partial continuations, | |
918 | * and is not generated by the compiler. | |
919 | */ | |
b3ae2b50 | 920 | VM_DEFINE_OP (13, compose_continuation, "compose-continuation", OP1 (U8_U24)) |
510ca126 AW |
921 | { |
922 | SCM vmcont; | |
923 | scm_t_uint32 cont_idx; | |
924 | ||
20b1b913 | 925 | UNPACK_24 (op, cont_idx); |
d798a895 | 926 | vmcont = SCM_PROGRAM_FREE_VARIABLE_REF (LOCAL_REF (0), cont_idx); |
510ca126 AW |
927 | |
928 | SYNC_IP (); | |
929 | VM_ASSERT (SCM_VM_CONT_REWINDABLE_P (vmcont), | |
930 | vm_error_continuation_not_rewindable (vmcont)); | |
44ece399 | 931 | vm_reinstate_partial_continuation (vp, vmcont, FRAME_LOCALS_COUNT_FROM (1), |
b636cdb0 | 932 | LOCAL_ADDRESS (1), |
aef1fcf9 | 933 | &thread->dynstack, |
dd1c7dec | 934 | registers); |
510ca126 AW |
935 | CACHE_REGISTER (); |
936 | NEXT (0); | |
937 | } | |
938 | ||
adb8d905 | 939 | /* tail-apply _:24 |
510ca126 AW |
940 | * |
941 | * Tail-apply the procedure in local slot 0 to the rest of the | |
942 | * arguments. This instruction is part of the implementation of | |
943 | * `apply', and is not generated by the compiler. | |
944 | */ | |
b3ae2b50 | 945 | VM_DEFINE_OP (14, tail_apply, "tail-apply", OP1 (U8_X24)) |
510ca126 | 946 | { |
e93c0430 | 947 | int i, list_idx, list_len, nlocals; |
510ca126 AW |
948 | SCM list; |
949 | ||
950 | VM_HANDLE_INTERRUPTS; | |
951 | ||
e93c0430 AW |
952 | nlocals = FRAME_LOCALS_COUNT (); |
953 | // At a minimum, there should be apply, f, and the list. | |
954 | VM_ASSERT (nlocals >= 3, abort ()); | |
955 | list_idx = nlocals - 1; | |
510ca126 AW |
956 | list = LOCAL_REF (list_idx); |
957 | list_len = scm_ilength (list); | |
958 | ||
959 | VM_ASSERT (list_len >= 0, vm_error_apply_to_non_list (list)); | |
960 | ||
e93c0430 AW |
961 | nlocals = nlocals - 2 + list_len; |
962 | ALLOC_FRAME (nlocals); | |
510ca126 | 963 | |
e93c0430 AW |
964 | for (i = 1; i < list_idx; i++) |
965 | LOCAL_SET (i - 1, LOCAL_REF (i)); | |
510ca126 AW |
966 | |
967 | /* Null out these slots, just in case there are less than 2 elements | |
968 | in the list. */ | |
7396d216 AW |
969 | LOCAL_SET (list_idx - 1, SCM_UNDEFINED); |
970 | LOCAL_SET (list_idx, SCM_UNDEFINED); | |
510ca126 AW |
971 | |
972 | for (i = 0; i < list_len; i++, list = SCM_CDR (list)) | |
7396d216 | 973 | LOCAL_SET (list_idx - 1 + i, SCM_CAR (list)); |
510ca126 | 974 | |
73fc4e73 | 975 | if (SCM_UNLIKELY (!SCM_PROGRAM_P (LOCAL_REF (0)))) |
510ca126 AW |
976 | goto apply; |
977 | ||
73fc4e73 | 978 | ip = SCM_PROGRAM_CODE (LOCAL_REF (0)); |
f5cb70e9 AW |
979 | |
980 | APPLY_HOOK (); | |
981 | ||
510ca126 AW |
982 | NEXT (0); |
983 | } | |
984 | ||
985 | /* call/cc _:24 | |
986 | * | |
987 | * Capture the current continuation, and tail-apply the procedure in | |
d691ac20 | 988 | * local slot 1 to it. This instruction is part of the implementation |
510ca126 AW |
989 | * of `call/cc', and is not generated by the compiler. |
990 | */ | |
b3ae2b50 | 991 | VM_DEFINE_OP (15, call_cc, "call/cc", OP1 (U8_X24)) |
510ca126 AW |
992 | { |
993 | SCM vm_cont, cont; | |
994 | scm_t_dynstack *dynstack; | |
d691ac20 | 995 | int first; |
510ca126 AW |
996 | |
997 | VM_HANDLE_INTERRUPTS; | |
998 | ||
999 | SYNC_IP (); | |
aef1fcf9 | 1000 | dynstack = scm_dynstack_capture_all (&thread->dynstack); |
510ca126 AW |
1001 | vm_cont = scm_i_vm_capture_stack (vp->stack_base, |
1002 | SCM_FRAME_DYNAMIC_LINK (fp), | |
b636cdb0 | 1003 | SCM_FRAME_PREVIOUS_SP (fp), |
510ca126 | 1004 | SCM_FRAME_RETURN_ADDRESS (fp), |
510ca126 AW |
1005 | dynstack, |
1006 | 0); | |
d691ac20 AW |
1007 | /* FIXME: Seems silly to capture the registers here, when they are |
1008 | already captured in the registers local, which here we are | |
1009 | copying out to the heap; and likewise, the setjmp(®isters) | |
1010 | code already has the non-local return handler. But oh | |
1011 | well! */ | |
796e54a7 | 1012 | cont = scm_i_make_continuation (&first, vp, vm_cont); |
d691ac20 AW |
1013 | |
1014 | if (first) | |
1015 | { | |
1016 | LOCAL_SET (0, LOCAL_REF (1)); | |
1017 | LOCAL_SET (1, cont); | |
1018 | RESET_FRAME (2); | |
510ca126 | 1019 | |
73fc4e73 | 1020 | if (SCM_UNLIKELY (!SCM_PROGRAM_P (LOCAL_REF (0)))) |
d691ac20 | 1021 | goto apply; |
510ca126 | 1022 | |
73fc4e73 | 1023 | ip = SCM_PROGRAM_CODE (LOCAL_REF (0)); |
f5cb70e9 AW |
1024 | |
1025 | APPLY_HOOK (); | |
1026 | ||
d691ac20 AW |
1027 | NEXT (0); |
1028 | } | |
1029 | else | |
1030 | { | |
1031 | CACHE_REGISTER (); | |
b636cdb0 | 1032 | ABORT_CONTINUATION_HOOK (); |
d691ac20 AW |
1033 | NEXT (0); |
1034 | } | |
510ca126 | 1035 | } |
510ca126 | 1036 | |
486013d6 AW |
1037 | /* abort _:24 |
1038 | * | |
1039 | * Abort to a prompt handler. The tag is expected in r1, and the rest | |
1040 | * of the values in the frame are returned to the prompt handler. | |
1041 | * This corresponds to a tail application of abort-to-prompt. | |
1042 | */ | |
b3ae2b50 | 1043 | VM_DEFINE_OP (16, abort, "abort", OP1 (U8_X24)) |
486013d6 AW |
1044 | { |
1045 | scm_t_uint32 nlocals = FRAME_LOCALS_COUNT (); | |
1046 | ||
1047 | ASSERT (nlocals >= 2); | |
186b56c4 AW |
1048 | /* FIXME: Really we should capture the caller's registers. Until |
1049 | then, manually advance the IP so that when the prompt resumes, | |
1050 | it continues with the next instruction. */ | |
1051 | ip++; | |
486013d6 | 1052 | SYNC_IP (); |
b44f5451 | 1053 | vm_abort (vp, LOCAL_REF (1), nlocals - 2, LOCAL_ADDRESS (2), |
dd1c7dec | 1054 | SCM_EOL, LOCAL_ADDRESS (0), registers); |
486013d6 AW |
1055 | |
1056 | /* vm_abort should not return */ | |
1057 | abort (); | |
1058 | } | |
1059 | ||
1060 | /* builtin-ref dst:12 idx:12 | |
1061 | * | |
1062 | * Load a builtin stub by index into DST. | |
1063 | */ | |
b3ae2b50 | 1064 | VM_DEFINE_OP (17, builtin_ref, "builtin-ref", OP1 (U8_U12_U12) | OP_DST) |
486013d6 AW |
1065 | { |
1066 | scm_t_uint16 dst, idx; | |
1067 | ||
20b1b913 | 1068 | UNPACK_12_12 (op, dst, idx); |
486013d6 AW |
1069 | LOCAL_SET (dst, scm_vm_builtin_ref (idx)); |
1070 | ||
1071 | NEXT (1); | |
1072 | } | |
1073 | ||
510ca126 AW |
1074 | |
1075 | \f | |
1076 | ||
1077 | /* | |
1078 | * Function prologues | |
1079 | */ | |
1080 | ||
1081 | /* br-if-nargs-ne expected:24 _:8 offset:24 | |
1082 | * br-if-nargs-lt expected:24 _:8 offset:24 | |
1083 | * br-if-nargs-gt expected:24 _:8 offset:24 | |
1084 | * | |
1085 | * If the number of actual arguments is not equal, less than, or greater | |
1086 | * than EXPECTED, respectively, add OFFSET, a signed 24-bit number, to | |
1087 | * the current instruction pointer. | |
1088 | */ | |
b3ae2b50 | 1089 | VM_DEFINE_OP (18, br_if_nargs_ne, "br-if-nargs-ne", OP2 (U8_U24, X8_L24)) |
510ca126 AW |
1090 | { |
1091 | BR_NARGS (!=); | |
1092 | } | |
b3ae2b50 | 1093 | VM_DEFINE_OP (19, br_if_nargs_lt, "br-if-nargs-lt", OP2 (U8_U24, X8_L24)) |
510ca126 AW |
1094 | { |
1095 | BR_NARGS (<); | |
1096 | } | |
b3ae2b50 | 1097 | VM_DEFINE_OP (20, br_if_nargs_gt, "br-if-nargs-gt", OP2 (U8_U24, X8_L24)) |
510ca126 AW |
1098 | { |
1099 | BR_NARGS (>); | |
1100 | } | |
1101 | ||
1102 | /* assert-nargs-ee expected:24 | |
1103 | * assert-nargs-ge expected:24 | |
1104 | * assert-nargs-le expected:24 | |
1105 | * | |
1106 | * If the number of actual arguments is not ==, >=, or <= EXPECTED, | |
1107 | * respectively, signal an error. | |
1108 | */ | |
b3ae2b50 | 1109 | VM_DEFINE_OP (21, assert_nargs_ee, "assert-nargs-ee", OP1 (U8_U24)) |
510ca126 AW |
1110 | { |
1111 | scm_t_uint32 expected; | |
20b1b913 | 1112 | UNPACK_24 (op, expected); |
510ca126 | 1113 | VM_ASSERT (FRAME_LOCALS_COUNT () == expected, |
73fc4e73 | 1114 | vm_error_wrong_num_args (LOCAL_REF (0))); |
510ca126 AW |
1115 | NEXT (1); |
1116 | } | |
b3ae2b50 | 1117 | VM_DEFINE_OP (22, assert_nargs_ge, "assert-nargs-ge", OP1 (U8_U24)) |
510ca126 AW |
1118 | { |
1119 | scm_t_uint32 expected; | |
20b1b913 | 1120 | UNPACK_24 (op, expected); |
510ca126 | 1121 | VM_ASSERT (FRAME_LOCALS_COUNT () >= expected, |
73fc4e73 | 1122 | vm_error_wrong_num_args (LOCAL_REF (0))); |
510ca126 AW |
1123 | NEXT (1); |
1124 | } | |
b3ae2b50 | 1125 | VM_DEFINE_OP (23, assert_nargs_le, "assert-nargs-le", OP1 (U8_U24)) |
510ca126 AW |
1126 | { |
1127 | scm_t_uint32 expected; | |
20b1b913 | 1128 | UNPACK_24 (op, expected); |
510ca126 | 1129 | VM_ASSERT (FRAME_LOCALS_COUNT () <= expected, |
73fc4e73 | 1130 | vm_error_wrong_num_args (LOCAL_REF (0))); |
510ca126 AW |
1131 | NEXT (1); |
1132 | } | |
1133 | ||
af95414f | 1134 | /* alloc-frame nlocals:24 |
510ca126 AW |
1135 | * |
1136 | * Ensure that there is space on the stack for NLOCALS local variables, | |
1137 | * setting them all to SCM_UNDEFINED, except those nargs values that | |
7396d216 | 1138 | * were passed as arguments and procedure. |
510ca126 | 1139 | */ |
b3ae2b50 | 1140 | VM_DEFINE_OP (24, alloc_frame, "alloc-frame", OP1 (U8_U24)) |
510ca126 AW |
1141 | { |
1142 | scm_t_uint32 nlocals, nargs; | |
20b1b913 | 1143 | UNPACK_24 (op, nlocals); |
510ca126 AW |
1144 | |
1145 | nargs = FRAME_LOCALS_COUNT (); | |
1146 | ALLOC_FRAME (nlocals); | |
1147 | while (nlocals-- > nargs) | |
1148 | LOCAL_SET (nlocals, SCM_UNDEFINED); | |
1149 | ||
1150 | NEXT (1); | |
1151 | } | |
1152 | ||
af95414f AW |
1153 | /* reset-frame nlocals:24 |
1154 | * | |
1155 | * Like alloc-frame, but doesn't check that the stack is big enough. | |
1156 | * Used to reset the frame size to something less than the size that | |
1157 | * was previously set via alloc-frame. | |
1158 | */ | |
b3ae2b50 | 1159 | VM_DEFINE_OP (25, reset_frame, "reset-frame", OP1 (U8_U24)) |
af95414f AW |
1160 | { |
1161 | scm_t_uint32 nlocals; | |
20b1b913 | 1162 | UNPACK_24 (op, nlocals); |
af95414f AW |
1163 | RESET_FRAME (nlocals); |
1164 | NEXT (1); | |
1165 | } | |
1166 | ||
510ca126 AW |
1167 | /* assert-nargs-ee/locals expected:12 nlocals:12 |
1168 | * | |
1169 | * Equivalent to a sequence of assert-nargs-ee and reserve-locals. The | |
1170 | * number of locals reserved is EXPECTED + NLOCALS. | |
1171 | */ | |
b3ae2b50 | 1172 | VM_DEFINE_OP (26, assert_nargs_ee_locals, "assert-nargs-ee/locals", OP1 (U8_U12_U12)) |
510ca126 AW |
1173 | { |
1174 | scm_t_uint16 expected, nlocals; | |
20b1b913 | 1175 | UNPACK_12_12 (op, expected, nlocals); |
510ca126 | 1176 | VM_ASSERT (FRAME_LOCALS_COUNT () == expected, |
73fc4e73 | 1177 | vm_error_wrong_num_args (LOCAL_REF (0))); |
510ca126 AW |
1178 | ALLOC_FRAME (expected + nlocals); |
1179 | while (nlocals--) | |
1180 | LOCAL_SET (expected + nlocals, SCM_UNDEFINED); | |
1181 | ||
1182 | NEXT (1); | |
1183 | } | |
1184 | ||
f90c0554 AW |
1185 | /* br-if-npos-gt nreq:24 _:8 npos:24 _:8 offset:24 |
1186 | * | |
1187 | * Find the first positional argument after NREQ. If it is greater | |
1188 | * than NPOS, jump to OFFSET. | |
1189 | * | |
1190 | * This instruction is only emitted for functions with multiple | |
1191 | * clauses, and an earlier clause has keywords and no rest arguments. | |
1192 | * See "Case-lambda" in the manual, for more on how case-lambda | |
1193 | * chooses the clause to apply. | |
1194 | */ | |
b3ae2b50 | 1195 | VM_DEFINE_OP (27, br_if_npos_gt, "br-if-npos-gt", OP3 (U8_U24, X8_U24, X8_L24)) |
f90c0554 AW |
1196 | { |
1197 | scm_t_uint32 nreq, npos; | |
1198 | ||
20b1b913 AW |
1199 | UNPACK_24 (op, nreq); |
1200 | UNPACK_24 (ip[1], npos); | |
f90c0554 AW |
1201 | |
1202 | /* We can only have too many positionals if there are more | |
1203 | arguments than NPOS. */ | |
1204 | if (FRAME_LOCALS_COUNT() > npos) | |
1205 | { | |
1206 | scm_t_uint32 n; | |
1207 | for (n = nreq; n < npos; n++) | |
1208 | if (scm_is_keyword (LOCAL_REF (n))) | |
1209 | break; | |
1210 | if (n == npos && !scm_is_keyword (LOCAL_REF (n))) | |
1211 | { | |
1212 | scm_t_int32 offset = ip[2]; | |
1213 | offset >>= 8; /* Sign-extending shift. */ | |
1214 | NEXT (offset); | |
1215 | } | |
1216 | } | |
1217 | NEXT (3); | |
1218 | } | |
1219 | ||
02f9d496 AW |
1220 | /* bind-kwargs nreq:24 flags:8 nreq-and-opt:24 _:8 ntotal:24 kw-offset:32 |
1221 | * | |
1222 | * flags := allow-other-keys:1 has-rest:1 _:6 | |
510ca126 AW |
1223 | * |
1224 | * Find the last positional argument, and shuffle all the rest above | |
1225 | * NTOTAL. Initialize the intervening locals to SCM_UNDEFINED. Then | |
1226 | * load the constant at KW-OFFSET words from the current IP, and use it | |
1227 | * to bind keyword arguments. If HAS-REST, collect all shuffled | |
1228 | * arguments into a list, and store it in NREQ-AND-OPT. Finally, clear | |
1229 | * the arguments that we shuffled up. | |
1230 | * | |
1231 | * A macro-mega-instruction. | |
1232 | */ | |
b3ae2b50 | 1233 | VM_DEFINE_OP (28, bind_kwargs, "bind-kwargs", OP4 (U8_U24, U8_U24, X8_U24, N32)) |
510ca126 AW |
1234 | { |
1235 | scm_t_uint32 nreq, nreq_and_opt, ntotal, npositional, nkw, n, nargs; | |
1236 | scm_t_int32 kw_offset; | |
1237 | scm_t_bits kw_bits; | |
1238 | SCM kw; | |
1239 | char allow_other_keys, has_rest; | |
1240 | ||
20b1b913 | 1241 | UNPACK_24 (op, nreq); |
510ca126 AW |
1242 | allow_other_keys = ip[1] & 0x1; |
1243 | has_rest = ip[1] & 0x2; | |
20b1b913 AW |
1244 | UNPACK_24 (ip[1], nreq_and_opt); |
1245 | UNPACK_24 (ip[2], ntotal); | |
510ca126 AW |
1246 | kw_offset = ip[3]; |
1247 | kw_bits = (scm_t_bits) (ip + kw_offset); | |
1248 | VM_ASSERT (!(kw_bits & 0x7), abort()); | |
1249 | kw = SCM_PACK (kw_bits); | |
1250 | ||
1251 | nargs = FRAME_LOCALS_COUNT (); | |
1252 | ||
1253 | /* look in optionals for first keyword or last positional */ | |
1254 | /* starting after the last required positional arg */ | |
1255 | npositional = nreq; | |
1256 | while (/* while we have args */ | |
1257 | npositional < nargs | |
1258 | /* and we still have positionals to fill */ | |
1259 | && npositional < nreq_and_opt | |
1260 | /* and we haven't reached a keyword yet */ | |
1261 | && !scm_is_keyword (LOCAL_REF (npositional))) | |
1262 | /* bind this optional arg (by leaving it in place) */ | |
1263 | npositional++; | |
1264 | nkw = nargs - npositional; | |
1265 | /* shuffle non-positional arguments above ntotal */ | |
1266 | ALLOC_FRAME (ntotal + nkw); | |
1267 | n = nkw; | |
1268 | while (n--) | |
1269 | LOCAL_SET (ntotal + n, LOCAL_REF (npositional + n)); | |
1270 | /* and fill optionals & keyword args with SCM_UNDEFINED */ | |
1271 | n = npositional; | |
1272 | while (n < ntotal) | |
1273 | LOCAL_SET (n++, SCM_UNDEFINED); | |
1274 | ||
1275 | VM_ASSERT (has_rest || (nkw % 2) == 0, | |
73fc4e73 | 1276 | vm_error_kwargs_length_not_even (LOCAL_REF (0))); |
510ca126 AW |
1277 | |
1278 | /* Now bind keywords, in the order given. */ | |
1279 | for (n = 0; n < nkw; n++) | |
1280 | if (scm_is_keyword (LOCAL_REF (ntotal + n))) | |
1281 | { | |
1282 | SCM walk; | |
1283 | for (walk = kw; scm_is_pair (walk); walk = SCM_CDR (walk)) | |
1284 | if (scm_is_eq (SCM_CAAR (walk), LOCAL_REF (ntotal + n))) | |
1285 | { | |
1286 | SCM si = SCM_CDAR (walk); | |
1287 | LOCAL_SET (SCM_I_INUMP (si) ? SCM_I_INUM (si) : scm_to_uint32 (si), | |
1288 | LOCAL_REF (ntotal + n + 1)); | |
1289 | break; | |
1290 | } | |
1291 | VM_ASSERT (scm_is_pair (walk) || allow_other_keys, | |
73fc4e73 | 1292 | vm_error_kwargs_unrecognized_keyword (LOCAL_REF (0), |
28d5d253 | 1293 | LOCAL_REF (ntotal + n))); |
510ca126 AW |
1294 | n++; |
1295 | } | |
1296 | else | |
73fc4e73 | 1297 | VM_ASSERT (has_rest, vm_error_kwargs_invalid_keyword (LOCAL_REF (0), |
28d5d253 | 1298 | LOCAL_REF (ntotal + n))); |
510ca126 AW |
1299 | |
1300 | if (has_rest) | |
1301 | { | |
1302 | SCM rest = SCM_EOL; | |
1303 | n = nkw; | |
1304 | while (n--) | |
aef1fcf9 | 1305 | rest = scm_inline_cons (thread, LOCAL_REF (ntotal + n), rest); |
510ca126 AW |
1306 | LOCAL_SET (nreq_and_opt, rest); |
1307 | } | |
1308 | ||
1309 | RESET_FRAME (ntotal); | |
1310 | ||
1311 | NEXT (4); | |
1312 | } | |
1313 | ||
1314 | /* bind-rest dst:24 | |
1315 | * | |
1316 | * Collect any arguments at or above DST into a list, and store that | |
1317 | * list at DST. | |
1318 | */ | |
b3ae2b50 | 1319 | VM_DEFINE_OP (29, bind_rest, "bind-rest", OP1 (U8_U24) | OP_DST) |
510ca126 AW |
1320 | { |
1321 | scm_t_uint32 dst, nargs; | |
1322 | SCM rest = SCM_EOL; | |
1323 | ||
20b1b913 | 1324 | UNPACK_24 (op, dst); |
510ca126 AW |
1325 | nargs = FRAME_LOCALS_COUNT (); |
1326 | ||
234155e3 | 1327 | if (nargs <= dst) |
510ca126 | 1328 | { |
234155e3 AW |
1329 | ALLOC_FRAME (dst + 1); |
1330 | while (nargs < dst) | |
1331 | LOCAL_SET (nargs++, SCM_UNDEFINED); | |
510ca126 | 1332 | } |
234155e3 AW |
1333 | else |
1334 | { | |
1335 | while (nargs-- > dst) | |
1336 | { | |
aef1fcf9 | 1337 | rest = scm_inline_cons (thread, LOCAL_REF (nargs), rest); |
234155e3 AW |
1338 | LOCAL_SET (nargs, SCM_UNDEFINED); |
1339 | } | |
510ca126 | 1340 | |
234155e3 AW |
1341 | RESET_FRAME (dst + 1); |
1342 | } | |
510ca126 | 1343 | |
234155e3 | 1344 | LOCAL_SET (dst, rest); |
510ca126 AW |
1345 | |
1346 | NEXT (1); | |
1347 | } | |
1348 | ||
510ca126 AW |
1349 | |
1350 | \f | |
1351 | ||
1352 | /* | |
1353 | * Branching instructions | |
1354 | */ | |
1355 | ||
1356 | /* br offset:24 | |
1357 | * | |
1358 | * Add OFFSET, a signed 24-bit number, to the current instruction | |
1359 | * pointer. | |
1360 | */ | |
b3ae2b50 | 1361 | VM_DEFINE_OP (30, br, "br", OP1 (U8_L24)) |
510ca126 AW |
1362 | { |
1363 | scm_t_int32 offset = op; | |
1364 | offset >>= 8; /* Sign-extending shift. */ | |
fcd3c8cc AW |
1365 | if (offset <= 0) |
1366 | VM_HANDLE_INTERRUPTS; | |
510ca126 AW |
1367 | NEXT (offset); |
1368 | } | |
1369 | ||
1370 | /* br-if-true test:24 invert:1 _:7 offset:24 | |
1371 | * | |
1372 | * If the value in TEST is true for the purposes of Scheme, add | |
1373 | * OFFSET, a signed 24-bit number, to the current instruction pointer. | |
1374 | */ | |
b3ae2b50 | 1375 | VM_DEFINE_OP (31, br_if_true, "br-if-true", OP2 (U8_U24, B1_X7_L24)) |
510ca126 AW |
1376 | { |
1377 | BR_UNARY (x, scm_is_true (x)); | |
1378 | } | |
1379 | ||
1380 | /* br-if-null test:24 invert:1 _:7 offset:24 | |
1381 | * | |
1382 | * If the value in TEST is the end-of-list or Lisp nil, add OFFSET, a | |
1383 | * signed 24-bit number, to the current instruction pointer. | |
1384 | */ | |
b3ae2b50 | 1385 | VM_DEFINE_OP (32, br_if_null, "br-if-null", OP2 (U8_U24, B1_X7_L24)) |
510ca126 AW |
1386 | { |
1387 | BR_UNARY (x, scm_is_null (x)); | |
1388 | } | |
1389 | ||
1390 | /* br-if-nil test:24 invert:1 _:7 offset:24 | |
1391 | * | |
1392 | * If the value in TEST is false to Lisp, add OFFSET, a signed 24-bit | |
1393 | * number, to the current instruction pointer. | |
1394 | */ | |
b3ae2b50 | 1395 | VM_DEFINE_OP (33, br_if_nil, "br-if-nil", OP2 (U8_U24, B1_X7_L24)) |
510ca126 AW |
1396 | { |
1397 | BR_UNARY (x, scm_is_lisp_false (x)); | |
1398 | } | |
1399 | ||
1400 | /* br-if-pair test:24 invert:1 _:7 offset:24 | |
1401 | * | |
1402 | * If the value in TEST is a pair, add OFFSET, a signed 24-bit number, | |
1403 | * to the current instruction pointer. | |
1404 | */ | |
b3ae2b50 | 1405 | VM_DEFINE_OP (34, br_if_pair, "br-if-pair", OP2 (U8_U24, B1_X7_L24)) |
510ca126 AW |
1406 | { |
1407 | BR_UNARY (x, scm_is_pair (x)); | |
1408 | } | |
1409 | ||
1410 | /* br-if-struct test:24 invert:1 _:7 offset:24 | |
1411 | * | |
1412 | * If the value in TEST is a struct, add OFFSET, a signed 24-bit | |
1413 | * number, to the current instruction pointer. | |
1414 | */ | |
b3ae2b50 | 1415 | VM_DEFINE_OP (35, br_if_struct, "br-if-struct", OP2 (U8_U24, B1_X7_L24)) |
510ca126 AW |
1416 | { |
1417 | BR_UNARY (x, SCM_STRUCTP (x)); | |
1418 | } | |
1419 | ||
1420 | /* br-if-char test:24 invert:1 _:7 offset:24 | |
1421 | * | |
1422 | * If the value in TEST is a char, add OFFSET, a signed 24-bit number, | |
1423 | * to the current instruction pointer. | |
1424 | */ | |
b3ae2b50 | 1425 | VM_DEFINE_OP (36, br_if_char, "br-if-char", OP2 (U8_U24, B1_X7_L24)) |
510ca126 AW |
1426 | { |
1427 | BR_UNARY (x, SCM_CHARP (x)); | |
1428 | } | |
1429 | ||
1430 | /* br-if-tc7 test:24 invert:1 tc7:7 offset:24 | |
1431 | * | |
1432 | * If the value in TEST has the TC7 given in the second word, add | |
1433 | * OFFSET, a signed 24-bit number, to the current instruction pointer. | |
1434 | */ | |
b3ae2b50 | 1435 | VM_DEFINE_OP (37, br_if_tc7, "br-if-tc7", OP2 (U8_U24, B1_U7_L24)) |
510ca126 AW |
1436 | { |
1437 | BR_UNARY (x, SCM_HAS_TYP7 (x, (ip[1] >> 1) & 0x7f)); | |
1438 | } | |
1439 | ||
1440 | /* br-if-eq a:12 b:12 invert:1 _:7 offset:24 | |
1441 | * | |
1442 | * If the value in A is eq? to the value in B, add OFFSET, a signed | |
1443 | * 24-bit number, to the current instruction pointer. | |
1444 | */ | |
b3ae2b50 | 1445 | VM_DEFINE_OP (38, br_if_eq, "br-if-eq", OP2 (U8_U12_U12, B1_X7_L24)) |
510ca126 AW |
1446 | { |
1447 | BR_BINARY (x, y, scm_is_eq (x, y)); | |
1448 | } | |
1449 | ||
1450 | /* br-if-eqv a:12 b:12 invert:1 _:7 offset:24 | |
1451 | * | |
1452 | * If the value in A is eqv? to the value in B, add OFFSET, a signed | |
1453 | * 24-bit number, to the current instruction pointer. | |
1454 | */ | |
b3ae2b50 | 1455 | VM_DEFINE_OP (39, br_if_eqv, "br-if-eqv", OP2 (U8_U12_U12, B1_X7_L24)) |
510ca126 AW |
1456 | { |
1457 | BR_BINARY (x, y, | |
1458 | scm_is_eq (x, y) | |
1459 | || (SCM_NIMP (x) && SCM_NIMP (y) | |
1460 | && scm_is_true (scm_eqv_p (x, y)))); | |
1461 | } | |
1462 | ||
af95414f | 1463 | // FIXME: remove, have compiler inline eqv test instead |
510ca126 AW |
1464 | /* br-if-equal a:12 b:12 invert:1 _:7 offset:24 |
1465 | * | |
1466 | * If the value in A is equal? to the value in B, add OFFSET, a signed | |
1467 | * 24-bit number, to the current instruction pointer. | |
1468 | */ | |
4a1ce016 AW |
1469 | // FIXME: Should sync_ip before calling out and cache_fp before coming |
1470 | // back! Another reason to remove this opcode! | |
b3ae2b50 | 1471 | VM_DEFINE_OP (40, br_if_equal, "br-if-equal", OP2 (U8_U12_U12, B1_X7_L24)) |
510ca126 AW |
1472 | { |
1473 | BR_BINARY (x, y, | |
1474 | scm_is_eq (x, y) | |
1475 | || (SCM_NIMP (x) && SCM_NIMP (y) | |
1476 | && scm_is_true (scm_equal_p (x, y)))); | |
1477 | } | |
1478 | ||
af95414f | 1479 | /* br-if-= a:12 b:12 invert:1 _:7 offset:24 |
510ca126 AW |
1480 | * |
1481 | * If the value in A is = to the value in B, add OFFSET, a signed | |
1482 | * 24-bit number, to the current instruction pointer. | |
1483 | */ | |
b3ae2b50 | 1484 | VM_DEFINE_OP (41, br_if_ee, "br-if-=", OP2 (U8_U12_U12, B1_X7_L24)) |
510ca126 AW |
1485 | { |
1486 | BR_ARITHMETIC (==, scm_num_eq_p); | |
1487 | } | |
1488 | ||
02f9d496 | 1489 | /* br-if-< a:12 b:12 invert:1 _:7 offset:24 |
510ca126 AW |
1490 | * |
1491 | * If the value in A is < to the value in B, add OFFSET, a signed | |
1492 | * 24-bit number, to the current instruction pointer. | |
1493 | */ | |
b3ae2b50 | 1494 | VM_DEFINE_OP (42, br_if_lt, "br-if-<", OP2 (U8_U12_U12, B1_X7_L24)) |
510ca126 AW |
1495 | { |
1496 | BR_ARITHMETIC (<, scm_less_p); | |
1497 | } | |
1498 | ||
02f9d496 | 1499 | /* br-if-<= a:12 b:12 invert:1 _:7 offset:24 |
510ca126 AW |
1500 | * |
1501 | * If the value in A is <= to the value in B, add OFFSET, a signed | |
1502 | * 24-bit number, to the current instruction pointer. | |
1503 | */ | |
b3ae2b50 | 1504 | VM_DEFINE_OP (43, br_if_le, "br-if-<=", OP2 (U8_U12_U12, B1_X7_L24)) |
510ca126 AW |
1505 | { |
1506 | BR_ARITHMETIC (<=, scm_leq_p); | |
1507 | } | |
1508 | ||
510ca126 AW |
1509 | |
1510 | \f | |
1511 | ||
1512 | /* | |
1513 | * Lexical binding instructions | |
1514 | */ | |
1515 | ||
1516 | /* mov dst:12 src:12 | |
1517 | * | |
1518 | * Copy a value from one local slot to another. | |
1519 | */ | |
b3ae2b50 | 1520 | VM_DEFINE_OP (44, mov, "mov", OP1 (U8_U12_U12) | OP_DST) |
510ca126 AW |
1521 | { |
1522 | scm_t_uint16 dst; | |
1523 | scm_t_uint16 src; | |
1524 | ||
20b1b913 | 1525 | UNPACK_12_12 (op, dst, src); |
510ca126 AW |
1526 | LOCAL_SET (dst, LOCAL_REF (src)); |
1527 | ||
1528 | NEXT (1); | |
1529 | } | |
1530 | ||
1531 | /* long-mov dst:24 _:8 src:24 | |
1532 | * | |
1533 | * Copy a value from one local slot to another. | |
1534 | */ | |
b3ae2b50 | 1535 | VM_DEFINE_OP (45, long_mov, "long-mov", OP2 (U8_U24, X8_U24) | OP_DST) |
510ca126 AW |
1536 | { |
1537 | scm_t_uint32 dst; | |
1538 | scm_t_uint32 src; | |
1539 | ||
20b1b913 AW |
1540 | UNPACK_24 (op, dst); |
1541 | UNPACK_24 (ip[1], src); | |
510ca126 AW |
1542 | LOCAL_SET (dst, LOCAL_REF (src)); |
1543 | ||
1544 | NEXT (2); | |
1545 | } | |
1546 | ||
1547 | /* box dst:12 src:12 | |
1548 | * | |
1549 | * Create a new variable holding SRC, and place it in DST. | |
1550 | */ | |
b3ae2b50 | 1551 | VM_DEFINE_OP (46, box, "box", OP1 (U8_U12_U12) | OP_DST) |
510ca126 AW |
1552 | { |
1553 | scm_t_uint16 dst, src; | |
20b1b913 | 1554 | UNPACK_12_12 (op, dst, src); |
aef1fcf9 AW |
1555 | LOCAL_SET (dst, scm_inline_cell (thread, scm_tc7_variable, |
1556 | SCM_UNPACK (LOCAL_REF (src)))); | |
510ca126 AW |
1557 | NEXT (1); |
1558 | } | |
1559 | ||
510ca126 AW |
1560 | /* box-ref dst:12 src:12 |
1561 | * | |
1562 | * Unpack the variable at SRC into DST, asserting that the variable is | |
1563 | * actually bound. | |
1564 | */ | |
b3ae2b50 | 1565 | VM_DEFINE_OP (47, box_ref, "box-ref", OP1 (U8_U12_U12) | OP_DST) |
510ca126 AW |
1566 | { |
1567 | scm_t_uint16 dst, src; | |
1568 | SCM var; | |
20b1b913 | 1569 | UNPACK_12_12 (op, dst, src); |
510ca126 | 1570 | var = LOCAL_REF (src); |
4f406fea AW |
1571 | VM_ASSERT (SCM_VARIABLEP (var), |
1572 | vm_error_not_a_variable ("variable-ref", var)); | |
73fc4e73 | 1573 | VM_ASSERT (VARIABLE_BOUNDP (var), vm_error_unbound (var)); |
510ca126 AW |
1574 | LOCAL_SET (dst, VARIABLE_REF (var)); |
1575 | NEXT (1); | |
1576 | } | |
1577 | ||
1578 | /* box-set! dst:12 src:12 | |
1579 | * | |
1580 | * Set the contents of the variable at DST to SET. | |
1581 | */ | |
b3ae2b50 | 1582 | VM_DEFINE_OP (48, box_set, "box-set!", OP1 (U8_U12_U12)) |
510ca126 AW |
1583 | { |
1584 | scm_t_uint16 dst, src; | |
1585 | SCM var; | |
20b1b913 | 1586 | UNPACK_12_12 (op, dst, src); |
510ca126 | 1587 | var = LOCAL_REF (dst); |
4f406fea AW |
1588 | VM_ASSERT (SCM_VARIABLEP (var), |
1589 | vm_error_not_a_variable ("variable-set!", var)); | |
510ca126 AW |
1590 | VARIABLE_SET (var, LOCAL_REF (src)); |
1591 | NEXT (1); | |
1592 | } | |
1593 | ||
7396d216 | 1594 | /* make-closure dst:24 offset:32 _:8 nfree:24 |
510ca126 AW |
1595 | * |
1596 | * Make a new closure, and write it to DST. The code for the closure | |
1597 | * will be found at OFFSET words from the current IP. OFFSET is a | |
7396d216 AW |
1598 | * signed 32-bit integer. Space for NFREE free variables will be |
1599 | * allocated. | |
510ca126 | 1600 | */ |
b3ae2b50 | 1601 | VM_DEFINE_OP (49, make_closure, "make-closure", OP3 (U8_U24, L32, X8_U24) | OP_DST) |
510ca126 AW |
1602 | { |
1603 | scm_t_uint32 dst, nfree, n; | |
1604 | scm_t_int32 offset; | |
1605 | SCM closure; | |
1606 | ||
20b1b913 | 1607 | UNPACK_24 (op, dst); |
510ca126 | 1608 | offset = ip[1]; |
20b1b913 | 1609 | UNPACK_24 (ip[2], nfree); |
510ca126 AW |
1610 | |
1611 | // FIXME: Assert range of nfree? | |
aef1fcf9 AW |
1612 | closure = scm_inline_words (thread, scm_tc7_program | (nfree << 16), |
1613 | nfree + 2); | |
510ca126 | 1614 | SCM_SET_CELL_WORD_1 (closure, ip + offset); |
7396d216 | 1615 | // FIXME: Elide these initializations? |
510ca126 | 1616 | for (n = 0; n < nfree; n++) |
d798a895 | 1617 | SCM_PROGRAM_FREE_VARIABLE_SET (closure, n, SCM_BOOL_F); |
510ca126 | 1618 | LOCAL_SET (dst, closure); |
7396d216 | 1619 | NEXT (3); |
510ca126 AW |
1620 | } |
1621 | ||
7396d216 | 1622 | /* free-ref dst:12 src:12 _:8 idx:24 |
510ca126 | 1623 | * |
7396d216 | 1624 | * Load free variable IDX from the closure SRC into local slot DST. |
510ca126 | 1625 | */ |
b3ae2b50 | 1626 | VM_DEFINE_OP (50, free_ref, "free-ref", OP2 (U8_U12_U12, X8_U24) | OP_DST) |
510ca126 | 1627 | { |
7396d216 AW |
1628 | scm_t_uint16 dst, src; |
1629 | scm_t_uint32 idx; | |
20b1b913 AW |
1630 | UNPACK_12_12 (op, dst, src); |
1631 | UNPACK_24 (ip[1], idx); | |
7396d216 | 1632 | /* CHECK_FREE_VARIABLE (src); */ |
d798a895 | 1633 | LOCAL_SET (dst, SCM_PROGRAM_FREE_VARIABLE_REF (LOCAL_REF (src), idx)); |
7396d216 AW |
1634 | NEXT (2); |
1635 | } | |
510ca126 | 1636 | |
02f9d496 | 1637 | /* free-set! dst:12 src:12 _:8 idx:24 |
7396d216 AW |
1638 | * |
1639 | * Set free variable IDX from the closure DST to SRC. | |
1640 | */ | |
b3ae2b50 | 1641 | VM_DEFINE_OP (51, free_set, "free-set!", OP2 (U8_U12_U12, X8_U24)) |
7396d216 AW |
1642 | { |
1643 | scm_t_uint16 dst, src; | |
1644 | scm_t_uint32 idx; | |
20b1b913 AW |
1645 | UNPACK_12_12 (op, dst, src); |
1646 | UNPACK_24 (ip[1], idx); | |
7396d216 | 1647 | /* CHECK_FREE_VARIABLE (src); */ |
d798a895 | 1648 | SCM_PROGRAM_FREE_VARIABLE_SET (LOCAL_REF (dst), idx, LOCAL_REF (src)); |
7396d216 | 1649 | NEXT (2); |
510ca126 AW |
1650 | } |
1651 | ||
1652 | ||
1653 | \f | |
1654 | ||
1655 | /* | |
1656 | * Immediates and statically allocated non-immediates | |
1657 | */ | |
1658 | ||
1659 | /* make-short-immediate dst:8 low-bits:16 | |
1660 | * | |
1661 | * Make an immediate whose low bits are LOW-BITS, and whose top bits are | |
1662 | * 0. | |
1663 | */ | |
b3ae2b50 | 1664 | VM_DEFINE_OP (52, make_short_immediate, "make-short-immediate", OP1 (U8_U8_I16) | OP_DST) |
510ca126 AW |
1665 | { |
1666 | scm_t_uint8 dst; | |
1667 | scm_t_bits val; | |
1668 | ||
20b1b913 | 1669 | UNPACK_8_16 (op, dst, val); |
510ca126 AW |
1670 | LOCAL_SET (dst, SCM_PACK (val)); |
1671 | NEXT (1); | |
1672 | } | |
1673 | ||
1674 | /* make-long-immediate dst:24 low-bits:32 | |
1675 | * | |
1676 | * Make an immediate whose low bits are LOW-BITS, and whose top bits are | |
1677 | * 0. | |
1678 | */ | |
b7ee9e08 | 1679 | VM_DEFINE_OP (53, make_long_immediate, "make-long-immediate", OP2 (U8_U24, I32) | OP_DST) |
510ca126 | 1680 | { |
da60ba80 | 1681 | scm_t_uint32 dst; |
510ca126 AW |
1682 | scm_t_bits val; |
1683 | ||
20b1b913 | 1684 | UNPACK_24 (op, dst); |
510ca126 AW |
1685 | val = ip[1]; |
1686 | LOCAL_SET (dst, SCM_PACK (val)); | |
1687 | NEXT (2); | |
1688 | } | |
1689 | ||
1690 | /* make-long-long-immediate dst:24 high-bits:32 low-bits:32 | |
1691 | * | |
1692 | * Make an immediate with HIGH-BITS and LOW-BITS. | |
1693 | */ | |
b3ae2b50 | 1694 | VM_DEFINE_OP (54, make_long_long_immediate, "make-long-long-immediate", OP3 (U8_U24, A32, B32) | OP_DST) |
510ca126 | 1695 | { |
da60ba80 | 1696 | scm_t_uint32 dst; |
510ca126 AW |
1697 | scm_t_bits val; |
1698 | ||
20b1b913 | 1699 | UNPACK_24 (op, dst); |
510ca126 AW |
1700 | #if SIZEOF_SCM_T_BITS > 4 |
1701 | val = ip[1]; | |
1702 | val <<= 32; | |
1703 | val |= ip[2]; | |
1704 | #else | |
1705 | ASSERT (ip[1] == 0); | |
1706 | val = ip[2]; | |
1707 | #endif | |
1708 | LOCAL_SET (dst, SCM_PACK (val)); | |
1709 | NEXT (3); | |
1710 | } | |
1711 | ||
1712 | /* make-non-immediate dst:24 offset:32 | |
1713 | * | |
1714 | * Load a pointer to statically allocated memory into DST. The | |
1715 | * object's memory is will be found OFFSET 32-bit words away from the | |
1716 | * current instruction pointer. OFFSET is a signed value. The | |
1717 | * intention here is that the compiler would produce an object file | |
1718 | * containing the words of a non-immediate object, and this | |
1719 | * instruction creates a pointer to that memory, effectively | |
1720 | * resurrecting that object. | |
1721 | * | |
1722 | * Whether the object is mutable or immutable depends on where it was | |
1723 | * allocated by the compiler, and loaded by the loader. | |
1724 | */ | |
b3ae2b50 | 1725 | VM_DEFINE_OP (55, make_non_immediate, "make-non-immediate", OP2 (U8_U24, N32) | OP_DST) |
510ca126 AW |
1726 | { |
1727 | scm_t_uint32 dst; | |
1728 | scm_t_int32 offset; | |
1729 | scm_t_uint32* loc; | |
1730 | scm_t_bits unpacked; | |
1731 | ||
20b1b913 | 1732 | UNPACK_24 (op, dst); |
510ca126 AW |
1733 | offset = ip[1]; |
1734 | loc = ip + offset; | |
1735 | unpacked = (scm_t_bits) loc; | |
1736 | ||
1737 | VM_ASSERT (!(unpacked & 0x7), abort()); | |
1738 | ||
1739 | LOCAL_SET (dst, SCM_PACK (unpacked)); | |
1740 | ||
1741 | NEXT (2); | |
1742 | } | |
1743 | ||
1744 | /* static-ref dst:24 offset:32 | |
1745 | * | |
1746 | * Load a SCM value into DST. The SCM value will be fetched from | |
1747 | * memory, OFFSET 32-bit words away from the current instruction | |
1748 | * pointer. OFFSET is a signed value. | |
1749 | * | |
1750 | * The intention is for this instruction to be used to load constants | |
1751 | * that the compiler is unable to statically allocate, like symbols. | |
1752 | * These values would be initialized when the object file loads. | |
1753 | */ | |
b7ee9e08 | 1754 | VM_DEFINE_OP (56, static_ref, "static-ref", OP2 (U8_U24, S32) | OP_DST) |
510ca126 AW |
1755 | { |
1756 | scm_t_uint32 dst; | |
1757 | scm_t_int32 offset; | |
1758 | scm_t_uint32* loc; | |
1759 | scm_t_uintptr loc_bits; | |
1760 | ||
20b1b913 | 1761 | UNPACK_24 (op, dst); |
510ca126 AW |
1762 | offset = ip[1]; |
1763 | loc = ip + offset; | |
1764 | loc_bits = (scm_t_uintptr) loc; | |
1765 | VM_ASSERT (ALIGNED_P (loc, SCM), abort()); | |
1766 | ||
1767 | LOCAL_SET (dst, *((SCM *) loc_bits)); | |
1768 | ||
1769 | NEXT (2); | |
1770 | } | |
1771 | ||
1772 | /* static-set! src:24 offset:32 | |
1773 | * | |
1774 | * Store a SCM value into memory, OFFSET 32-bit words away from the | |
1775 | * current instruction pointer. OFFSET is a signed value. | |
1776 | */ | |
b3ae2b50 | 1777 | VM_DEFINE_OP (57, static_set, "static-set!", OP2 (U8_U24, LO32)) |
510ca126 AW |
1778 | { |
1779 | scm_t_uint32 src; | |
1780 | scm_t_int32 offset; | |
1781 | scm_t_uint32* loc; | |
1782 | ||
20b1b913 | 1783 | UNPACK_24 (op, src); |
510ca126 AW |
1784 | offset = ip[1]; |
1785 | loc = ip + offset; | |
1786 | VM_ASSERT (ALIGNED_P (loc, SCM), abort()); | |
1787 | ||
1788 | *((SCM *) loc) = LOCAL_REF (src); | |
1789 | ||
1790 | NEXT (2); | |
1791 | } | |
1792 | ||
2ab2a10d | 1793 | /* static-patch! _:24 dst-offset:32 src-offset:32 |
510ca126 | 1794 | * |
2ab2a10d AW |
1795 | * Patch a pointer at DST-OFFSET to point to SRC-OFFSET. Both offsets |
1796 | * are signed 32-bit values, indicating a memory address as a number | |
1797 | * of 32-bit words away from the current instruction pointer. | |
510ca126 | 1798 | */ |
b3ae2b50 | 1799 | VM_DEFINE_OP (58, static_patch, "static-patch!", OP3 (U8_X24, LO32, L32)) |
510ca126 | 1800 | { |
2ab2a10d AW |
1801 | scm_t_int32 dst_offset, src_offset; |
1802 | void *src; | |
1803 | void** dst_loc; | |
510ca126 | 1804 | |
2ab2a10d AW |
1805 | dst_offset = ip[1]; |
1806 | src_offset = ip[2]; | |
510ca126 | 1807 | |
2ab2a10d AW |
1808 | dst_loc = (void **) (ip + dst_offset); |
1809 | src = ip + src_offset; | |
1810 | VM_ASSERT (ALIGNED_P (dst_loc, void*), abort()); | |
510ca126 | 1811 | |
2ab2a10d AW |
1812 | *dst_loc = src; |
1813 | ||
1814 | NEXT (3); | |
510ca126 AW |
1815 | } |
1816 | ||
1817 | \f | |
1818 | ||
1819 | /* | |
1820 | * Mutable top-level bindings | |
1821 | */ | |
1822 | ||
1823 | /* There are three slightly different ways to resolve toplevel | |
1824 | variables. | |
1825 | ||
1826 | 1. A toplevel reference outside of a function. These need to be | |
1827 | looked up when the expression is evaluated -- no later, and no | |
1828 | before. They are looked up relative to the module that is | |
1829 | current when the expression is evaluated. For example: | |
1830 | ||
1831 | (if (foo) a b) | |
1832 | ||
1833 | The "resolve" instruction resolves the variable (box), and then | |
1834 | access is via box-ref or box-set!. | |
1835 | ||
1836 | 2. A toplevel reference inside a function. These are looked up | |
1837 | relative to the module that was current when the function was | |
1838 | defined. Unlike code at the toplevel, which is usually run only | |
1839 | once, these bindings benefit from memoized lookup, in which the | |
1840 | variable resulting from the lookup is cached in the function. | |
1841 | ||
1842 | (lambda () (if (foo) a b)) | |
1843 | ||
af95414f AW |
1844 | The toplevel-box instruction is equivalent to "resolve", but |
1845 | caches the resulting variable in statically allocated memory. | |
510ca126 AW |
1846 | |
1847 | 3. A reference to an identifier with respect to a particular | |
1848 | module. This can happen for primitive references, and | |
af95414f AW |
1849 | references residualized by macro expansions. These can always |
1850 | be cached. Use module-box for these. | |
510ca126 AW |
1851 | */ |
1852 | ||
1853 | /* current-module dst:24 | |
1854 | * | |
1855 | * Store the current module in DST. | |
1856 | */ | |
b3ae2b50 | 1857 | VM_DEFINE_OP (59, current_module, "current-module", OP1 (U8_U24) | OP_DST) |
510ca126 AW |
1858 | { |
1859 | scm_t_uint32 dst; | |
1860 | ||
20b1b913 | 1861 | UNPACK_24 (op, dst); |
510ca126 AW |
1862 | |
1863 | SYNC_IP (); | |
1864 | LOCAL_SET (dst, scm_current_module ()); | |
1865 | ||
1866 | NEXT (1); | |
1867 | } | |
1868 | ||
af95414f | 1869 | /* resolve dst:24 bound?:1 _:7 sym:24 |
510ca126 | 1870 | * |
af95414f AW |
1871 | * Resolve SYM in the current module, and place the resulting variable |
1872 | * in DST. | |
510ca126 | 1873 | */ |
b3ae2b50 | 1874 | VM_DEFINE_OP (60, resolve, "resolve", OP2 (U8_U24, B1_X7_U24) | OP_DST) |
510ca126 | 1875 | { |
af95414f AW |
1876 | scm_t_uint32 dst; |
1877 | scm_t_uint32 sym; | |
1878 | SCM var; | |
510ca126 | 1879 | |
20b1b913 AW |
1880 | UNPACK_24 (op, dst); |
1881 | UNPACK_24 (ip[1], sym); | |
510ca126 AW |
1882 | |
1883 | SYNC_IP (); | |
af95414f | 1884 | var = scm_lookup (LOCAL_REF (sym)); |
4a1ce016 | 1885 | CACHE_FP (); |
af95414f | 1886 | if (ip[1] & 0x1) |
73fc4e73 | 1887 | VM_ASSERT (VARIABLE_BOUNDP (var), vm_error_unbound (LOCAL_REF (sym))); |
af95414f | 1888 | LOCAL_SET (dst, var); |
510ca126 | 1889 | |
af95414f | 1890 | NEXT (2); |
510ca126 AW |
1891 | } |
1892 | ||
6165d812 | 1893 | /* define! sym:12 val:12 |
510ca126 AW |
1894 | * |
1895 | * Look up a binding for SYM in the current module, creating it if | |
1896 | * necessary. Set its value to VAL. | |
1897 | */ | |
b3ae2b50 | 1898 | VM_DEFINE_OP (61, define, "define!", OP1 (U8_U12_U12)) |
510ca126 AW |
1899 | { |
1900 | scm_t_uint16 sym, val; | |
20b1b913 | 1901 | UNPACK_12_12 (op, sym, val); |
510ca126 AW |
1902 | SYNC_IP (); |
1903 | scm_define (LOCAL_REF (sym), LOCAL_REF (val)); | |
4a1ce016 | 1904 | CACHE_FP (); |
510ca126 AW |
1905 | NEXT (1); |
1906 | } | |
1907 | ||
af95414f | 1908 | /* toplevel-box dst:24 var-offset:32 mod-offset:32 sym-offset:32 bound?:1 _:31 |
510ca126 AW |
1909 | * |
1910 | * Load a SCM value. The SCM value will be fetched from memory, | |
1911 | * VAR-OFFSET 32-bit words away from the current instruction pointer. | |
af95414f | 1912 | * VAR-OFFSET is a signed value. Up to here, toplevel-box is like |
510ca126 AW |
1913 | * static-ref. |
1914 | * | |
af95414f AW |
1915 | * Then, if the loaded value is a variable, it is placed in DST, and control |
1916 | * flow continues. | |
510ca126 AW |
1917 | * |
1918 | * Otherwise, we have to resolve the variable. In that case we load | |
1919 | * the module from MOD-OFFSET, just as we loaded the variable. | |
1920 | * Usually the module gets set when the closure is created. The name | |
1921 | * is an offset to a symbol. | |
1922 | * | |
af95414f AW |
1923 | * We use the module and the symbol to resolve the variable, placing it in |
1924 | * DST, and caching the resolved variable so that we will hit the cache next | |
1925 | * time. | |
510ca126 | 1926 | */ |
b3ae2b50 | 1927 | VM_DEFINE_OP (62, toplevel_box, "toplevel-box", OP5 (U8_U24, S32, S32, N32, B1_X31) | OP_DST) |
510ca126 AW |
1928 | { |
1929 | scm_t_uint32 dst; | |
1930 | scm_t_int32 var_offset; | |
1931 | scm_t_uint32* var_loc_u32; | |
1932 | SCM *var_loc; | |
1933 | SCM var; | |
1934 | ||
20b1b913 | 1935 | UNPACK_24 (op, dst); |
510ca126 AW |
1936 | var_offset = ip[1]; |
1937 | var_loc_u32 = ip + var_offset; | |
1938 | VM_ASSERT (ALIGNED_P (var_loc_u32, SCM), abort()); | |
1939 | var_loc = (SCM *) var_loc_u32; | |
1940 | var = *var_loc; | |
1941 | ||
1942 | if (SCM_UNLIKELY (!SCM_VARIABLEP (var))) | |
1943 | { | |
1944 | SCM mod, sym; | |
1945 | scm_t_int32 mod_offset = ip[2]; /* signed */ | |
1946 | scm_t_int32 sym_offset = ip[3]; /* signed */ | |
1947 | scm_t_uint32 *mod_loc = ip + mod_offset; | |
1948 | scm_t_uint32 *sym_loc = ip + sym_offset; | |
1949 | ||
1950 | SYNC_IP (); | |
1951 | ||
1952 | VM_ASSERT (ALIGNED_P (mod_loc, SCM), abort()); | |
1953 | VM_ASSERT (ALIGNED_P (sym_loc, SCM), abort()); | |
1954 | ||
1955 | mod = *((SCM *) mod_loc); | |
1956 | sym = *((SCM *) sym_loc); | |
1957 | ||
e23f9e44 AW |
1958 | /* If the toplevel scope was captured before modules were |
1959 | booted, use the root module. */ | |
1960 | if (scm_is_false (mod)) | |
1961 | mod = scm_the_root_module (); | |
1962 | ||
510ca126 | 1963 | var = scm_module_lookup (mod, sym); |
4a1ce016 | 1964 | CACHE_FP (); |
af95414f | 1965 | if (ip[4] & 0x1) |
73fc4e73 | 1966 | VM_ASSERT (VARIABLE_BOUNDP (var), vm_error_unbound (sym)); |
510ca126 AW |
1967 | |
1968 | *var_loc = var; | |
1969 | } | |
1970 | ||
af95414f AW |
1971 | LOCAL_SET (dst, var); |
1972 | NEXT (5); | |
510ca126 AW |
1973 | } |
1974 | ||
af95414f | 1975 | /* module-box dst:24 var-offset:32 mod-offset:32 sym-offset:32 bound?:1 _:31 |
510ca126 | 1976 | * |
af95414f | 1977 | * Like toplevel-box, except MOD-OFFSET points at the name of a module |
510ca126 AW |
1978 | * instead of the module itself. |
1979 | */ | |
b3ae2b50 | 1980 | VM_DEFINE_OP (63, module_box, "module-box", OP5 (U8_U24, S32, N32, N32, B1_X31) | OP_DST) |
510ca126 AW |
1981 | { |
1982 | scm_t_uint32 dst; | |
1983 | scm_t_int32 var_offset; | |
1984 | scm_t_uint32* var_loc_u32; | |
1985 | SCM *var_loc; | |
1986 | SCM var; | |
1987 | ||
20b1b913 | 1988 | UNPACK_24 (op, dst); |
510ca126 AW |
1989 | var_offset = ip[1]; |
1990 | var_loc_u32 = ip + var_offset; | |
1991 | VM_ASSERT (ALIGNED_P (var_loc_u32, SCM), abort()); | |
1992 | var_loc = (SCM *) var_loc_u32; | |
1993 | var = *var_loc; | |
1994 | ||
1995 | if (SCM_UNLIKELY (!SCM_VARIABLEP (var))) | |
1996 | { | |
1997 | SCM modname, sym; | |
1998 | scm_t_int32 modname_offset = ip[2]; /* signed */ | |
1999 | scm_t_int32 sym_offset = ip[3]; /* signed */ | |
2000 | scm_t_uint32 *modname_words = ip + modname_offset; | |
2001 | scm_t_uint32 *sym_loc = ip + sym_offset; | |
2002 | ||
2003 | SYNC_IP (); | |
2004 | ||
2005 | VM_ASSERT (!(((scm_t_uintptr) modname_words) & 0x7), abort()); | |
2006 | VM_ASSERT (ALIGNED_P (sym_loc, SCM), abort()); | |
2007 | ||
2008 | modname = SCM_PACK ((scm_t_bits) modname_words); | |
2009 | sym = *((SCM *) sym_loc); | |
2010 | ||
e23f9e44 AW |
2011 | if (!scm_module_system_booted_p) |
2012 | { | |
698c55b0 AW |
2013 | ASSERT (scm_is_true |
2014 | scm_equal_p (modname, | |
2015 | scm_list_2 | |
2016 | (SCM_BOOL_T, | |
2017 | scm_from_utf8_symbol ("guile")))); | |
e23f9e44 AW |
2018 | var = scm_lookup (sym); |
2019 | } | |
2020 | else if (scm_is_true (SCM_CAR (modname))) | |
510ca126 AW |
2021 | var = scm_public_lookup (SCM_CDR (modname), sym); |
2022 | else | |
2023 | var = scm_private_lookup (SCM_CDR (modname), sym); | |
2024 | ||
4a1ce016 AW |
2025 | CACHE_FP (); |
2026 | ||
af95414f | 2027 | if (ip[4] & 0x1) |
73fc4e73 | 2028 | VM_ASSERT (VARIABLE_BOUNDP (var), vm_error_unbound (sym)); |
510ca126 AW |
2029 | |
2030 | *var_loc = var; | |
2031 | } | |
2032 | ||
af95414f AW |
2033 | LOCAL_SET (dst, var); |
2034 | NEXT (5); | |
510ca126 AW |
2035 | } |
2036 | ||
2037 | \f | |
2038 | ||
2039 | /* | |
2040 | * The dynamic environment | |
2041 | */ | |
2042 | ||
8d59d55e | 2043 | /* prompt tag:24 escape-only?:1 _:7 proc-slot:24 _:8 handler-offset:24 |
510ca126 AW |
2044 | * |
2045 | * Push a new prompt on the dynamic stack, with a tag from TAG and a | |
2046 | * handler at HANDLER-OFFSET words from the current IP. The handler | |
8d59d55e AW |
2047 | * will expect a multiple-value return as if from a call with the |
2048 | * procedure at PROC-SLOT. | |
510ca126 | 2049 | */ |
b3ae2b50 | 2050 | VM_DEFINE_OP (64, prompt, "prompt", OP3 (U8_U24, B1_X7_U24, X8_L24)) |
510ca126 | 2051 | { |
8d59d55e | 2052 | scm_t_uint32 tag, proc_slot; |
510ca126 AW |
2053 | scm_t_int32 offset; |
2054 | scm_t_uint8 escape_only_p; | |
2055 | scm_t_dynstack_prompt_flags flags; | |
2056 | ||
20b1b913 | 2057 | UNPACK_24 (op, tag); |
8d59d55e | 2058 | escape_only_p = ip[1] & 0x1; |
20b1b913 | 2059 | UNPACK_24 (ip[1], proc_slot); |
8d59d55e | 2060 | offset = ip[2]; |
510ca126 AW |
2061 | offset >>= 8; /* Sign extension */ |
2062 | ||
2063 | /* Push the prompt onto the dynamic stack. */ | |
2064 | flags = escape_only_p ? SCM_F_DYNSTACK_PROMPT_ESCAPE_ONLY : 0; | |
aef1fcf9 | 2065 | scm_dynstack_push_prompt (&thread->dynstack, flags, |
510ca126 | 2066 | LOCAL_REF (tag), |
0bca90aa AW |
2067 | fp - vp->stack_base, |
2068 | LOCAL_ADDRESS (proc_slot) - vp->stack_base, | |
9121d9f1 | 2069 | ip + offset, |
dd1c7dec | 2070 | registers); |
8d59d55e | 2071 | NEXT (3); |
510ca126 | 2072 | } |
510ca126 AW |
2073 | |
2074 | /* wind winder:12 unwinder:12 | |
2075 | * | |
2076 | * Push wind and unwind procedures onto the dynamic stack. Note that | |
2077 | * neither are actually called; the compiler should emit calls to wind | |
2078 | * and unwind for the normal dynamic-wind control flow. Also note that | |
2079 | * the compiler should have inserted checks that they wind and unwind | |
2080 | * procs are thunks, if it could not prove that to be the case. | |
2081 | */ | |
b3ae2b50 | 2082 | VM_DEFINE_OP (65, wind, "wind", OP1 (U8_U12_U12)) |
510ca126 AW |
2083 | { |
2084 | scm_t_uint16 winder, unwinder; | |
20b1b913 | 2085 | UNPACK_12_12 (op, winder, unwinder); |
aef1fcf9 | 2086 | scm_dynstack_push_dynwind (&thread->dynstack, |
510ca126 AW |
2087 | LOCAL_REF (winder), LOCAL_REF (unwinder)); |
2088 | NEXT (1); | |
2089 | } | |
2090 | ||
510ca126 AW |
2091 | /* unwind _:24 |
2092 | * | |
2093 | * A normal exit from the dynamic extent of an expression. Pop the top | |
2094 | * entry off of the dynamic stack. | |
2095 | */ | |
b3ae2b50 | 2096 | VM_DEFINE_OP (66, unwind, "unwind", OP1 (U8_X24)) |
510ca126 | 2097 | { |
aef1fcf9 | 2098 | scm_dynstack_pop (&thread->dynstack); |
510ca126 AW |
2099 | NEXT (1); |
2100 | } | |
2101 | ||
98eaef1b | 2102 | /* push-fluid fluid:12 value:12 |
510ca126 | 2103 | * |
ddf0d7bb | 2104 | * Dynamically bind VALUE to FLUID. |
510ca126 | 2105 | */ |
b3ae2b50 | 2106 | VM_DEFINE_OP (67, push_fluid, "push-fluid", OP1 (U8_U12_U12)) |
510ca126 | 2107 | { |
98eaef1b | 2108 | scm_t_uint32 fluid, value; |
510ca126 | 2109 | |
20b1b913 | 2110 | UNPACK_12_12 (op, fluid, value); |
510ca126 | 2111 | |
aef1fcf9 | 2112 | scm_dynstack_push_fluid (&thread->dynstack, |
2a4ee2ac | 2113 | LOCAL_REF (fluid), LOCAL_REF (value), |
aef1fcf9 | 2114 | thread->dynamic_state); |
98eaef1b | 2115 | NEXT (1); |
510ca126 | 2116 | } |
510ca126 | 2117 | |
98eaef1b | 2118 | /* pop-fluid _:24 |
510ca126 | 2119 | * |
ddf0d7bb AW |
2120 | * Leave the dynamic extent of a with-fluid* expression, restoring the |
2121 | * fluid to its previous value. | |
510ca126 | 2122 | */ |
b3ae2b50 | 2123 | VM_DEFINE_OP (68, pop_fluid, "pop-fluid", OP1 (U8_X24)) |
510ca126 AW |
2124 | { |
2125 | /* This function must not allocate. */ | |
aef1fcf9 AW |
2126 | scm_dynstack_unwind_fluid (&thread->dynstack, |
2127 | thread->dynamic_state); | |
510ca126 AW |
2128 | NEXT (1); |
2129 | } | |
2130 | ||
2131 | /* fluid-ref dst:12 src:12 | |
2132 | * | |
2133 | * Reference the fluid in SRC, and place the value in DST. | |
2134 | */ | |
b3ae2b50 | 2135 | VM_DEFINE_OP (69, fluid_ref, "fluid-ref", OP1 (U8_U12_U12) | OP_DST) |
510ca126 AW |
2136 | { |
2137 | scm_t_uint16 dst, src; | |
2138 | size_t num; | |
2139 | SCM fluid, fluids; | |
2140 | ||
20b1b913 | 2141 | UNPACK_12_12 (op, dst, src); |
510ca126 | 2142 | fluid = LOCAL_REF (src); |
aef1fcf9 | 2143 | fluids = SCM_I_DYNAMIC_STATE_FLUIDS (thread->dynamic_state); |
510ca126 AW |
2144 | if (SCM_UNLIKELY (!SCM_FLUID_P (fluid)) |
2145 | || ((num = SCM_I_FLUID_NUM (fluid)) >= SCM_SIMPLE_VECTOR_LENGTH (fluids))) | |
2146 | { | |
2147 | /* Punt dynstate expansion and error handling to the C proc. */ | |
2148 | SYNC_IP (); | |
2149 | LOCAL_SET (dst, scm_fluid_ref (fluid)); | |
2150 | } | |
2151 | else | |
2152 | { | |
2153 | SCM val = SCM_SIMPLE_VECTOR_REF (fluids, num); | |
2154 | if (scm_is_eq (val, SCM_UNDEFINED)) | |
2155 | val = SCM_I_FLUID_DEFAULT (fluid); | |
2156 | VM_ASSERT (!scm_is_eq (val, SCM_UNDEFINED), | |
73fc4e73 | 2157 | vm_error_unbound_fluid (fluid)); |
510ca126 AW |
2158 | LOCAL_SET (dst, val); |
2159 | } | |
2160 | ||
2161 | NEXT (1); | |
2162 | } | |
2163 | ||
2164 | /* fluid-set fluid:12 val:12 | |
2165 | * | |
2166 | * Set the value of the fluid in DST to the value in SRC. | |
2167 | */ | |
b3ae2b50 | 2168 | VM_DEFINE_OP (70, fluid_set, "fluid-set", OP1 (U8_U12_U12)) |
510ca126 AW |
2169 | { |
2170 | scm_t_uint16 a, b; | |
2171 | size_t num; | |
2172 | SCM fluid, fluids; | |
2173 | ||
20b1b913 | 2174 | UNPACK_12_12 (op, a, b); |
510ca126 | 2175 | fluid = LOCAL_REF (a); |
aef1fcf9 | 2176 | fluids = SCM_I_DYNAMIC_STATE_FLUIDS (thread->dynamic_state); |
510ca126 AW |
2177 | if (SCM_UNLIKELY (!SCM_FLUID_P (fluid)) |
2178 | || ((num = SCM_I_FLUID_NUM (fluid)) >= SCM_SIMPLE_VECTOR_LENGTH (fluids))) | |
2179 | { | |
2180 | /* Punt dynstate expansion and error handling to the C proc. */ | |
2181 | SYNC_IP (); | |
2182 | scm_fluid_set_x (fluid, LOCAL_REF (b)); | |
2183 | } | |
2184 | else | |
2185 | SCM_SIMPLE_VECTOR_SET (fluids, num, LOCAL_REF (b)); | |
2186 | ||
2187 | NEXT (1); | |
2188 | } | |
2189 | ||
2190 | ||
2191 | \f | |
2192 | ||
2193 | /* | |
2194 | * Strings, symbols, and keywords | |
2195 | */ | |
2196 | ||
2197 | /* string-length dst:12 src:12 | |
2198 | * | |
2199 | * Store the length of the string in SRC in DST. | |
2200 | */ | |
b3ae2b50 | 2201 | VM_DEFINE_OP (71, string_length, "string-length", OP1 (U8_U12_U12) | OP_DST) |
510ca126 AW |
2202 | { |
2203 | ARGS1 (str); | |
2204 | if (SCM_LIKELY (scm_is_string (str))) | |
2205 | RETURN (SCM_I_MAKINUM (scm_i_string_length (str))); | |
2206 | else | |
2207 | { | |
2208 | SYNC_IP (); | |
2209 | RETURN (scm_string_length (str)); | |
2210 | } | |
2211 | } | |
2212 | ||
2213 | /* string-ref dst:8 src:8 idx:8 | |
2214 | * | |
2215 | * Fetch the character at position IDX in the string in SRC, and store | |
2216 | * it in DST. | |
2217 | */ | |
b3ae2b50 | 2218 | VM_DEFINE_OP (72, string_ref, "string-ref", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 AW |
2219 | { |
2220 | scm_t_signed_bits i = 0; | |
2221 | ARGS2 (str, idx); | |
2222 | if (SCM_LIKELY (scm_is_string (str) | |
2223 | && SCM_I_INUMP (idx) | |
2224 | && ((i = SCM_I_INUM (idx)) >= 0) | |
2225 | && i < scm_i_string_length (str))) | |
2226 | RETURN (SCM_MAKE_CHAR (scm_i_string_ref (str, i))); | |
2227 | else | |
2228 | { | |
2229 | SYNC_IP (); | |
2230 | RETURN (scm_string_ref (str, idx)); | |
2231 | } | |
2232 | } | |
2233 | ||
2234 | /* No string-set! instruction, as there is no good fast path there. */ | |
2235 | ||
ddf0d7bb | 2236 | /* string->number dst:12 src:12 |
510ca126 AW |
2237 | * |
2238 | * Parse a string in SRC to a number, and store in DST. | |
2239 | */ | |
b3ae2b50 | 2240 | VM_DEFINE_OP (73, string_to_number, "string->number", OP1 (U8_U12_U12) | OP_DST) |
510ca126 AW |
2241 | { |
2242 | scm_t_uint16 dst, src; | |
2243 | ||
20b1b913 | 2244 | UNPACK_12_12 (op, dst, src); |
510ca126 AW |
2245 | SYNC_IP (); |
2246 | LOCAL_SET (dst, | |
2247 | scm_string_to_number (LOCAL_REF (src), | |
2248 | SCM_UNDEFINED /* radix = 10 */)); | |
2249 | NEXT (1); | |
2250 | } | |
2251 | ||
ddf0d7bb | 2252 | /* string->symbol dst:12 src:12 |
510ca126 AW |
2253 | * |
2254 | * Parse a string in SRC to a symbol, and store in DST. | |
2255 | */ | |
b3ae2b50 | 2256 | VM_DEFINE_OP (74, string_to_symbol, "string->symbol", OP1 (U8_U12_U12) | OP_DST) |
510ca126 AW |
2257 | { |
2258 | scm_t_uint16 dst, src; | |
2259 | ||
20b1b913 | 2260 | UNPACK_12_12 (op, dst, src); |
510ca126 AW |
2261 | SYNC_IP (); |
2262 | LOCAL_SET (dst, scm_string_to_symbol (LOCAL_REF (src))); | |
2263 | NEXT (1); | |
2264 | } | |
2265 | ||
2266 | /* symbol->keyword dst:12 src:12 | |
2267 | * | |
2268 | * Make a keyword from the symbol in SRC, and store it in DST. | |
2269 | */ | |
b3ae2b50 | 2270 | VM_DEFINE_OP (75, symbol_to_keyword, "symbol->keyword", OP1 (U8_U12_U12) | OP_DST) |
510ca126 AW |
2271 | { |
2272 | scm_t_uint16 dst, src; | |
20b1b913 | 2273 | UNPACK_12_12 (op, dst, src); |
510ca126 AW |
2274 | SYNC_IP (); |
2275 | LOCAL_SET (dst, scm_symbol_to_keyword (LOCAL_REF (src))); | |
2276 | NEXT (1); | |
2277 | } | |
2278 | ||
2279 | \f | |
2280 | ||
2281 | /* | |
2282 | * Pairs | |
2283 | */ | |
2284 | ||
2285 | /* cons dst:8 car:8 cdr:8 | |
2286 | * | |
2287 | * Cons CAR and CDR, and store the result in DST. | |
2288 | */ | |
b3ae2b50 | 2289 | VM_DEFINE_OP (76, cons, "cons", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 AW |
2290 | { |
2291 | ARGS2 (x, y); | |
aef1fcf9 | 2292 | RETURN (scm_inline_cons (thread, x, y)); |
510ca126 AW |
2293 | } |
2294 | ||
2295 | /* car dst:12 src:12 | |
2296 | * | |
2297 | * Place the car of SRC in DST. | |
2298 | */ | |
b3ae2b50 | 2299 | VM_DEFINE_OP (77, car, "car", OP1 (U8_U12_U12) | OP_DST) |
510ca126 AW |
2300 | { |
2301 | ARGS1 (x); | |
2302 | VM_VALIDATE_PAIR (x, "car"); | |
2303 | RETURN (SCM_CAR (x)); | |
2304 | } | |
2305 | ||
2306 | /* cdr dst:12 src:12 | |
2307 | * | |
2308 | * Place the cdr of SRC in DST. | |
2309 | */ | |
b3ae2b50 | 2310 | VM_DEFINE_OP (78, cdr, "cdr", OP1 (U8_U12_U12) | OP_DST) |
510ca126 AW |
2311 | { |
2312 | ARGS1 (x); | |
2313 | VM_VALIDATE_PAIR (x, "cdr"); | |
2314 | RETURN (SCM_CDR (x)); | |
2315 | } | |
2316 | ||
2317 | /* set-car! pair:12 car:12 | |
2318 | * | |
2319 | * Set the car of DST to SRC. | |
2320 | */ | |
b3ae2b50 | 2321 | VM_DEFINE_OP (79, set_car, "set-car!", OP1 (U8_U12_U12)) |
510ca126 AW |
2322 | { |
2323 | scm_t_uint16 a, b; | |
2324 | SCM x, y; | |
20b1b913 | 2325 | UNPACK_12_12 (op, a, b); |
510ca126 AW |
2326 | x = LOCAL_REF (a); |
2327 | y = LOCAL_REF (b); | |
2328 | VM_VALIDATE_PAIR (x, "set-car!"); | |
2329 | SCM_SETCAR (x, y); | |
2330 | NEXT (1); | |
2331 | } | |
2332 | ||
2333 | /* set-cdr! pair:12 cdr:12 | |
2334 | * | |
2335 | * Set the cdr of DST to SRC. | |
2336 | */ | |
b3ae2b50 | 2337 | VM_DEFINE_OP (80, set_cdr, "set-cdr!", OP1 (U8_U12_U12)) |
510ca126 AW |
2338 | { |
2339 | scm_t_uint16 a, b; | |
2340 | SCM x, y; | |
20b1b913 | 2341 | UNPACK_12_12 (op, a, b); |
510ca126 AW |
2342 | x = LOCAL_REF (a); |
2343 | y = LOCAL_REF (b); | |
2344 | VM_VALIDATE_PAIR (x, "set-car!"); | |
2345 | SCM_SETCDR (x, y); | |
2346 | NEXT (1); | |
2347 | } | |
2348 | ||
2349 | ||
2350 | \f | |
2351 | ||
2352 | /* | |
2353 | * Numeric operations | |
2354 | */ | |
2355 | ||
2356 | /* add dst:8 a:8 b:8 | |
2357 | * | |
2358 | * Add A to B, and place the result in DST. | |
2359 | */ | |
b3ae2b50 | 2360 | VM_DEFINE_OP (81, add, "add", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 AW |
2361 | { |
2362 | BINARY_INTEGER_OP (+, scm_sum); | |
2363 | } | |
2364 | ||
2365 | /* add1 dst:12 src:12 | |
2366 | * | |
2367 | * Add 1 to the value in SRC, and place the result in DST. | |
2368 | */ | |
b3ae2b50 | 2369 | VM_DEFINE_OP (82, add1, "add1", OP1 (U8_U12_U12) | OP_DST) |
510ca126 AW |
2370 | { |
2371 | ARGS1 (x); | |
2372 | ||
d2295ba5 MW |
2373 | /* Check for overflow. We must avoid overflow in the signed |
2374 | addition below, even if X is not an inum. */ | |
2375 | if (SCM_LIKELY ((scm_t_signed_bits) SCM_UNPACK (x) <= INUM_MAX - INUM_STEP)) | |
510ca126 AW |
2376 | { |
2377 | SCM result; | |
2378 | ||
d2295ba5 MW |
2379 | /* Add 1 to the integer without untagging. */ |
2380 | result = SCM_PACK ((scm_t_signed_bits) SCM_UNPACK (x) + INUM_STEP); | |
510ca126 AW |
2381 | |
2382 | if (SCM_LIKELY (SCM_I_INUMP (result))) | |
2383 | RETURN (result); | |
2384 | } | |
2385 | ||
4a1ce016 | 2386 | RETURN_EXP (scm_sum (x, SCM_I_MAKINUM (1))); |
510ca126 AW |
2387 | } |
2388 | ||
2389 | /* sub dst:8 a:8 b:8 | |
2390 | * | |
2391 | * Subtract B from A, and place the result in DST. | |
2392 | */ | |
b3ae2b50 | 2393 | VM_DEFINE_OP (83, sub, "sub", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 AW |
2394 | { |
2395 | BINARY_INTEGER_OP (-, scm_difference); | |
2396 | } | |
2397 | ||
2398 | /* sub1 dst:12 src:12 | |
2399 | * | |
2400 | * Subtract 1 from SRC, and place the result in DST. | |
2401 | */ | |
b3ae2b50 | 2402 | VM_DEFINE_OP (84, sub1, "sub1", OP1 (U8_U12_U12) | OP_DST) |
510ca126 AW |
2403 | { |
2404 | ARGS1 (x); | |
2405 | ||
d2295ba5 MW |
2406 | /* Check for overflow. We must avoid overflow in the signed |
2407 | subtraction below, even if X is not an inum. */ | |
2408 | if (SCM_LIKELY ((scm_t_signed_bits) SCM_UNPACK (x) >= INUM_MIN + INUM_STEP)) | |
510ca126 AW |
2409 | { |
2410 | SCM result; | |
2411 | ||
d2295ba5 MW |
2412 | /* Substract 1 from the integer without untagging. */ |
2413 | result = SCM_PACK ((scm_t_signed_bits) SCM_UNPACK (x) - INUM_STEP); | |
510ca126 AW |
2414 | |
2415 | if (SCM_LIKELY (SCM_I_INUMP (result))) | |
2416 | RETURN (result); | |
2417 | } | |
2418 | ||
4a1ce016 | 2419 | RETURN_EXP (scm_difference (x, SCM_I_MAKINUM (1))); |
510ca126 AW |
2420 | } |
2421 | ||
2422 | /* mul dst:8 a:8 b:8 | |
2423 | * | |
2424 | * Multiply A and B, and place the result in DST. | |
2425 | */ | |
b3ae2b50 | 2426 | VM_DEFINE_OP (85, mul, "mul", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 AW |
2427 | { |
2428 | ARGS2 (x, y); | |
4a1ce016 | 2429 | RETURN_EXP (scm_product (x, y)); |
510ca126 AW |
2430 | } |
2431 | ||
2432 | /* div dst:8 a:8 b:8 | |
2433 | * | |
2434 | * Divide A by B, and place the result in DST. | |
2435 | */ | |
b3ae2b50 | 2436 | VM_DEFINE_OP (86, div, "div", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 AW |
2437 | { |
2438 | ARGS2 (x, y); | |
4a1ce016 | 2439 | RETURN_EXP (scm_divide (x, y)); |
510ca126 AW |
2440 | } |
2441 | ||
2442 | /* quo dst:8 a:8 b:8 | |
2443 | * | |
2444 | * Divide A by B, and place the quotient in DST. | |
2445 | */ | |
b3ae2b50 | 2446 | VM_DEFINE_OP (87, quo, "quo", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 AW |
2447 | { |
2448 | ARGS2 (x, y); | |
4a1ce016 | 2449 | RETURN_EXP (scm_quotient (x, y)); |
510ca126 AW |
2450 | } |
2451 | ||
2452 | /* rem dst:8 a:8 b:8 | |
2453 | * | |
2454 | * Divide A by B, and place the remainder in DST. | |
2455 | */ | |
b3ae2b50 | 2456 | VM_DEFINE_OP (88, rem, "rem", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 AW |
2457 | { |
2458 | ARGS2 (x, y); | |
4a1ce016 | 2459 | RETURN_EXP (scm_remainder (x, y)); |
510ca126 AW |
2460 | } |
2461 | ||
2462 | /* mod dst:8 a:8 b:8 | |
2463 | * | |
2464 | * Place the modulo of A by B in DST. | |
2465 | */ | |
b3ae2b50 | 2466 | VM_DEFINE_OP (89, mod, "mod", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 AW |
2467 | { |
2468 | ARGS2 (x, y); | |
4a1ce016 | 2469 | RETURN_EXP (scm_modulo (x, y)); |
510ca126 AW |
2470 | } |
2471 | ||
2472 | /* ash dst:8 a:8 b:8 | |
2473 | * | |
2474 | * Shift A arithmetically by B bits, and place the result in DST. | |
2475 | */ | |
b3ae2b50 | 2476 | VM_DEFINE_OP (90, ash, "ash", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 AW |
2477 | { |
2478 | ARGS2 (x, y); | |
2479 | if (SCM_I_INUMP (x) && SCM_I_INUMP (y)) | |
2480 | { | |
2481 | if (SCM_I_INUM (y) < 0) | |
2482 | /* Right shift, will be a fixnum. */ | |
0bd65965 MW |
2483 | RETURN (SCM_I_MAKINUM |
2484 | (SCM_SRS (SCM_I_INUM (x), | |
2485 | (-SCM_I_INUM (y) <= SCM_I_FIXNUM_BIT-1) | |
2486 | ? -SCM_I_INUM (y) : SCM_I_FIXNUM_BIT-1))); | |
510ca126 AW |
2487 | else |
2488 | /* Left shift. See comments in scm_ash. */ | |
2489 | { | |
2490 | scm_t_signed_bits nn, bits_to_shift; | |
2491 | ||
2492 | nn = SCM_I_INUM (x); | |
2493 | bits_to_shift = SCM_I_INUM (y); | |
2494 | ||
2495 | if (bits_to_shift < SCM_I_FIXNUM_BIT-1 | |
2496 | && ((scm_t_bits) | |
2497 | (SCM_SRS (nn, (SCM_I_FIXNUM_BIT-1 - bits_to_shift)) + 1) | |
2498 | <= 1)) | |
475772ea MW |
2499 | RETURN (SCM_I_MAKINUM (nn < 0 |
2500 | ? -(-nn << bits_to_shift) | |
2501 | : (nn << bits_to_shift))); | |
510ca126 AW |
2502 | /* fall through */ |
2503 | } | |
2504 | /* fall through */ | |
2505 | } | |
4a1ce016 | 2506 | RETURN_EXP (scm_ash (x, y)); |
510ca126 AW |
2507 | } |
2508 | ||
2509 | /* logand dst:8 a:8 b:8 | |
2510 | * | |
2511 | * Place the bitwise AND of A and B into DST. | |
2512 | */ | |
b3ae2b50 | 2513 | VM_DEFINE_OP (91, logand, "logand", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 AW |
2514 | { |
2515 | ARGS2 (x, y); | |
2516 | if (SCM_I_INUMP (x) && SCM_I_INUMP (y)) | |
e7f64971 MW |
2517 | /* Compute bitwise AND without untagging */ |
2518 | RETURN (SCM_PACK (SCM_UNPACK (x) & SCM_UNPACK (y))); | |
4a1ce016 | 2519 | RETURN_EXP (scm_logand (x, y)); |
510ca126 AW |
2520 | } |
2521 | ||
2522 | /* logior dst:8 a:8 b:8 | |
2523 | * | |
2524 | * Place the bitwise inclusive OR of A with B in DST. | |
2525 | */ | |
b3ae2b50 | 2526 | VM_DEFINE_OP (92, logior, "logior", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 AW |
2527 | { |
2528 | ARGS2 (x, y); | |
2529 | if (SCM_I_INUMP (x) && SCM_I_INUMP (y)) | |
e7f64971 MW |
2530 | /* Compute bitwise OR without untagging */ |
2531 | RETURN (SCM_PACK (SCM_UNPACK (x) | SCM_UNPACK (y))); | |
4a1ce016 | 2532 | RETURN_EXP (scm_logior (x, y)); |
510ca126 AW |
2533 | } |
2534 | ||
2535 | /* logxor dst:8 a:8 b:8 | |
2536 | * | |
2537 | * Place the bitwise exclusive OR of A with B in DST. | |
2538 | */ | |
b3ae2b50 | 2539 | VM_DEFINE_OP (93, logxor, "logxor", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 AW |
2540 | { |
2541 | ARGS2 (x, y); | |
2542 | if (SCM_I_INUMP (x) && SCM_I_INUMP (y)) | |
2543 | RETURN (SCM_I_MAKINUM (SCM_I_INUM (x) ^ SCM_I_INUM (y))); | |
4a1ce016 | 2544 | RETURN_EXP (scm_logxor (x, y)); |
510ca126 AW |
2545 | } |
2546 | ||
d38ca16e AW |
2547 | /* make-vector dst:8 length:8 init:8 |
2548 | * | |
2549 | * Make a vector and write it to DST. The vector will have space for | |
2550 | * LENGTH slots. They will be filled with the value in slot INIT. | |
2551 | */ | |
2552 | VM_DEFINE_OP (94, make_vector, "make-vector", OP1 (U8_U8_U8_U8) | OP_DST) | |
2553 | { | |
2554 | scm_t_uint8 dst, init, length; | |
2555 | ||
2556 | UNPACK_8_8_8 (op, dst, length, init); | |
2557 | ||
2558 | LOCAL_SET (dst, scm_make_vector (LOCAL_REF (length), LOCAL_REF (init))); | |
2559 | ||
2560 | NEXT (1); | |
2561 | } | |
2562 | ||
4c906ad5 | 2563 | /* make-vector/immediate dst:8 length:8 init:8 |
607fe5a6 AW |
2564 | * |
2565 | * Make a short vector of known size and write it to DST. The vector | |
2566 | * will have space for LENGTH slots, an immediate value. They will be | |
2567 | * filled with the value in slot INIT. | |
2568 | */ | |
d38ca16e | 2569 | VM_DEFINE_OP (95, make_vector_immediate, "make-vector/immediate", OP1 (U8_U8_U8_U8) | OP_DST) |
607fe5a6 AW |
2570 | { |
2571 | scm_t_uint8 dst, init; | |
2572 | scm_t_int32 length, n; | |
2573 | SCM val, vector; | |
2574 | ||
20b1b913 | 2575 | UNPACK_8_8_8 (op, dst, length, init); |
607fe5a6 AW |
2576 | |
2577 | val = LOCAL_REF (init); | |
aef1fcf9 AW |
2578 | vector = scm_inline_words (thread, scm_tc7_vector | (length << 8), |
2579 | length + 1); | |
607fe5a6 AW |
2580 | for (n = 0; n < length; n++) |
2581 | SCM_SIMPLE_VECTOR_SET (vector, n, val); | |
2582 | LOCAL_SET (dst, vector); | |
2583 | NEXT (1); | |
2584 | } | |
2585 | ||
510ca126 AW |
2586 | /* vector-length dst:12 src:12 |
2587 | * | |
2588 | * Store the length of the vector in SRC in DST. | |
2589 | */ | |
d38ca16e | 2590 | VM_DEFINE_OP (96, vector_length, "vector-length", OP1 (U8_U12_U12) | OP_DST) |
510ca126 AW |
2591 | { |
2592 | ARGS1 (vect); | |
a32488ba AW |
2593 | VM_ASSERT (SCM_I_IS_VECTOR (vect), |
2594 | vm_error_not_a_vector ("vector-ref", vect)); | |
2595 | RETURN (SCM_I_MAKINUM (SCM_I_VECTOR_LENGTH (vect))); | |
510ca126 AW |
2596 | } |
2597 | ||
2598 | /* vector-ref dst:8 src:8 idx:8 | |
2599 | * | |
2600 | * Fetch the item at position IDX in the vector in SRC, and store it | |
2601 | * in DST. | |
2602 | */ | |
d38ca16e | 2603 | VM_DEFINE_OP (97, vector_ref, "vector-ref", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 AW |
2604 | { |
2605 | scm_t_signed_bits i = 0; | |
2606 | ARGS2 (vect, idx); | |
a32488ba AW |
2607 | VM_ASSERT (SCM_I_IS_VECTOR (vect), |
2608 | vm_error_not_a_vector ("vector-ref", vect)); | |
2609 | VM_ASSERT ((SCM_I_INUMP (idx) | |
2610 | && ((i = SCM_I_INUM (idx)) >= 0) | |
2611 | && i < SCM_I_VECTOR_LENGTH (vect)), | |
2612 | vm_error_out_of_range ("vector-ref", idx)); | |
2613 | RETURN (SCM_I_VECTOR_ELTS (vect)[i]); | |
510ca126 AW |
2614 | } |
2615 | ||
4c906ad5 | 2616 | /* vector-ref/immediate dst:8 src:8 idx:8 |
510ca126 AW |
2617 | * |
2618 | * Fill DST with the item IDX elements into the vector at SRC. Useful | |
2619 | * for building data types using vectors. | |
2620 | */ | |
d38ca16e | 2621 | VM_DEFINE_OP (98, vector_ref_immediate, "vector-ref/immediate", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 AW |
2622 | { |
2623 | scm_t_uint8 dst, src, idx; | |
2624 | SCM v; | |
2625 | ||
20b1b913 | 2626 | UNPACK_8_8_8 (op, dst, src, idx); |
510ca126 | 2627 | v = LOCAL_REF (src); |
a32488ba AW |
2628 | VM_ASSERT (SCM_I_IS_VECTOR (v), |
2629 | vm_error_not_a_vector ("vector-ref", v)); | |
2630 | VM_ASSERT (idx < SCM_I_VECTOR_LENGTH (v), | |
2631 | vm_error_out_of_range ("vector-ref", scm_from_size_t (idx))); | |
2632 | LOCAL_SET (dst, SCM_I_VECTOR_ELTS (LOCAL_REF (src))[idx]); | |
510ca126 AW |
2633 | NEXT (1); |
2634 | } | |
2635 | ||
2636 | /* vector-set! dst:8 idx:8 src:8 | |
2637 | * | |
2638 | * Store SRC into the vector DST at index IDX. | |
2639 | */ | |
d38ca16e | 2640 | VM_DEFINE_OP (99, vector_set, "vector-set!", OP1 (U8_U8_U8_U8)) |
510ca126 AW |
2641 | { |
2642 | scm_t_uint8 dst, idx_var, src; | |
2643 | SCM vect, idx, val; | |
2644 | scm_t_signed_bits i = 0; | |
2645 | ||
20b1b913 | 2646 | UNPACK_8_8_8 (op, dst, idx_var, src); |
510ca126 AW |
2647 | vect = LOCAL_REF (dst); |
2648 | idx = LOCAL_REF (idx_var); | |
2649 | val = LOCAL_REF (src); | |
2650 | ||
a32488ba AW |
2651 | VM_ASSERT (SCM_I_IS_VECTOR (vect), |
2652 | vm_error_not_a_vector ("vector-ref", vect)); | |
2653 | VM_ASSERT ((SCM_I_INUMP (idx) | |
2654 | && ((i = SCM_I_INUM (idx)) >= 0) | |
2655 | && i < SCM_I_VECTOR_LENGTH (vect)), | |
2656 | vm_error_out_of_range ("vector-ref", idx)); | |
2657 | SCM_I_VECTOR_WELTS (vect)[i] = val; | |
510ca126 AW |
2658 | NEXT (1); |
2659 | } | |
2660 | ||
4c906ad5 | 2661 | /* vector-set!/immediate dst:8 idx:8 src:8 |
8ba3f20c AW |
2662 | * |
2663 | * Store SRC into the vector DST at index IDX. Here IDX is an | |
2664 | * immediate value. | |
2665 | */ | |
d38ca16e | 2666 | VM_DEFINE_OP (100, vector_set_immediate, "vector-set!/immediate", OP1 (U8_U8_U8_U8)) |
8ba3f20c AW |
2667 | { |
2668 | scm_t_uint8 dst, idx, src; | |
2669 | SCM vect, val; | |
2670 | ||
20b1b913 | 2671 | UNPACK_8_8_8 (op, dst, idx, src); |
8ba3f20c AW |
2672 | vect = LOCAL_REF (dst); |
2673 | val = LOCAL_REF (src); | |
2674 | ||
a32488ba AW |
2675 | VM_ASSERT (SCM_I_IS_VECTOR (vect), |
2676 | vm_error_not_a_vector ("vector-ref", vect)); | |
2677 | VM_ASSERT (idx < SCM_I_VECTOR_LENGTH (vect), | |
2678 | vm_error_out_of_range ("vector-ref", scm_from_size_t (idx))); | |
2679 | SCM_I_VECTOR_WELTS (vect)[idx] = val; | |
8ba3f20c AW |
2680 | NEXT (1); |
2681 | } | |
2682 | ||
510ca126 AW |
2683 | |
2684 | \f | |
2685 | ||
2686 | /* | |
2687 | * Structs and GOOPS | |
2688 | */ | |
2689 | ||
2690 | /* struct-vtable dst:12 src:12 | |
2691 | * | |
2692 | * Store the vtable of SRC into DST. | |
2693 | */ | |
d38ca16e | 2694 | VM_DEFINE_OP (101, struct_vtable, "struct-vtable", OP1 (U8_U12_U12) | OP_DST) |
510ca126 AW |
2695 | { |
2696 | ARGS1 (obj); | |
2697 | VM_VALIDATE_STRUCT (obj, "struct_vtable"); | |
2698 | RETURN (SCM_STRUCT_VTABLE (obj)); | |
2699 | } | |
2700 | ||
4c906ad5 | 2701 | /* allocate-struct/immediate dst:8 vtable:8 nfields:8 |
510ca126 | 2702 | * |
14d10292 AW |
2703 | * Allocate a new struct with VTABLE, and place it in DST. The struct |
2704 | * will be constructed with space for NFIELDS fields, which should | |
2705 | * correspond to the field count of the VTABLE. | |
510ca126 | 2706 | */ |
d38ca16e | 2707 | VM_DEFINE_OP (102, allocate_struct_immediate, "allocate-struct/immediate", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 | 2708 | { |
14d10292 AW |
2709 | scm_t_uint8 dst, vtable, nfields; |
2710 | SCM ret; | |
510ca126 | 2711 | |
20b1b913 | 2712 | UNPACK_8_8_8 (op, dst, vtable, nfields); |
510ca126 AW |
2713 | |
2714 | SYNC_IP (); | |
14d10292 | 2715 | ret = scm_allocate_struct (LOCAL_REF (vtable), SCM_I_MAKINUM (nfields)); |
510ca126 | 2716 | LOCAL_SET (dst, ret); |
14d10292 AW |
2717 | |
2718 | NEXT (1); | |
510ca126 | 2719 | } |
510ca126 | 2720 | |
4c906ad5 | 2721 | /* struct-ref/immediate dst:8 src:8 idx:8 |
510ca126 AW |
2722 | * |
2723 | * Fetch the item at slot IDX in the struct in SRC, and store it | |
4c906ad5 | 2724 | * in DST. IDX is an immediate unsigned 8-bit value. |
510ca126 | 2725 | */ |
d38ca16e | 2726 | VM_DEFINE_OP (103, struct_ref_immediate, "struct-ref/immediate", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 | 2727 | { |
4c906ad5 AW |
2728 | scm_t_uint8 dst, src, idx; |
2729 | SCM obj; | |
2730 | ||
20b1b913 | 2731 | UNPACK_8_8_8 (op, dst, src, idx); |
4c906ad5 AW |
2732 | |
2733 | obj = LOCAL_REF (src); | |
510ca126 AW |
2734 | |
2735 | if (SCM_LIKELY (SCM_STRUCTP (obj) | |
2736 | && SCM_STRUCT_VTABLE_FLAG_IS_SET (obj, | |
2737 | SCM_VTABLE_FLAG_SIMPLE) | |
4c906ad5 AW |
2738 | && idx < SCM_STRUCT_DATA_REF (SCM_STRUCT_VTABLE (obj), |
2739 | scm_vtable_index_size))) | |
2740 | RETURN (SCM_STRUCT_SLOT_REF (obj, idx)); | |
510ca126 AW |
2741 | |
2742 | SYNC_IP (); | |
4c906ad5 | 2743 | RETURN (scm_struct_ref (obj, SCM_I_MAKINUM (idx))); |
510ca126 AW |
2744 | } |
2745 | ||
4c906ad5 | 2746 | /* struct-set!/immediate dst:8 idx:8 src:8 |
510ca126 | 2747 | * |
4c906ad5 AW |
2748 | * Store SRC into the struct DST at slot IDX. IDX is an immediate |
2749 | * unsigned 8-bit value. | |
510ca126 | 2750 | */ |
d38ca16e | 2751 | VM_DEFINE_OP (104, struct_set_immediate, "struct-set!/immediate", OP1 (U8_U8_U8_U8)) |
510ca126 AW |
2752 | { |
2753 | scm_t_uint8 dst, idx, src; | |
4c906ad5 AW |
2754 | SCM obj, val; |
2755 | ||
20b1b913 | 2756 | UNPACK_8_8_8 (op, dst, idx, src); |
4c906ad5 | 2757 | |
510ca126 | 2758 | obj = LOCAL_REF (dst); |
510ca126 | 2759 | val = LOCAL_REF (src); |
4c906ad5 | 2760 | |
510ca126 AW |
2761 | if (SCM_LIKELY (SCM_STRUCTP (obj) |
2762 | && SCM_STRUCT_VTABLE_FLAG_IS_SET (obj, | |
2763 | SCM_VTABLE_FLAG_SIMPLE) | |
2764 | && SCM_STRUCT_VTABLE_FLAG_IS_SET (obj, | |
2765 | SCM_VTABLE_FLAG_SIMPLE_RW) | |
4c906ad5 AW |
2766 | && idx < SCM_STRUCT_DATA_REF (SCM_STRUCT_VTABLE (obj), |
2767 | scm_vtable_index_size))) | |
510ca126 | 2768 | { |
4c906ad5 AW |
2769 | SCM_STRUCT_SLOT_SET (obj, idx, val); |
2770 | NEXT (1); | |
510ca126 AW |
2771 | } |
2772 | ||
2773 | SYNC_IP (); | |
4c906ad5 | 2774 | scm_struct_set_x (obj, SCM_I_MAKINUM (idx), val); |
510ca126 AW |
2775 | NEXT (1); |
2776 | } | |
2777 | ||
2778 | /* class-of dst:12 type:12 | |
2779 | * | |
2780 | * Store the vtable of SRC into DST. | |
2781 | */ | |
d38ca16e | 2782 | VM_DEFINE_OP (105, class_of, "class-of", OP1 (U8_U12_U12) | OP_DST) |
510ca126 AW |
2783 | { |
2784 | ARGS1 (obj); | |
2785 | if (SCM_INSTANCEP (obj)) | |
2786 | RETURN (SCM_CLASS_OF (obj)); | |
2787 | SYNC_IP (); | |
2788 | RETURN (scm_class_of (obj)); | |
2789 | } | |
2790 | ||
510ca126 AW |
2791 | \f |
2792 | ||
2793 | /* | |
2794 | * Arrays, packed uniform arrays, and bytevectors. | |
2795 | */ | |
2796 | ||
2797 | /* load-typed-array dst:8 type:8 shape:8 offset:32 len:32 | |
2798 | * | |
2799 | * Load the contiguous typed array located at OFFSET 32-bit words away | |
2800 | * from the instruction pointer, and store into DST. LEN is a byte | |
2801 | * length. OFFSET is signed. | |
2802 | */ | |
d38ca16e | 2803 | VM_DEFINE_OP (106, load_typed_array, "load-typed-array", OP3 (U8_U8_U8_U8, N32, U32) | OP_DST) |
510ca126 AW |
2804 | { |
2805 | scm_t_uint8 dst, type, shape; | |
2806 | scm_t_int32 offset; | |
2807 | scm_t_uint32 len; | |
2808 | ||
20b1b913 | 2809 | UNPACK_8_8_8 (op, dst, type, shape); |
510ca126 AW |
2810 | offset = ip[1]; |
2811 | len = ip[2]; | |
2812 | SYNC_IP (); | |
2813 | LOCAL_SET (dst, scm_from_contiguous_typed_array (LOCAL_REF (type), | |
2814 | LOCAL_REF (shape), | |
2815 | ip + offset, len)); | |
2816 | NEXT (3); | |
2817 | } | |
2818 | ||
c09708f9 | 2819 | /* make-array dst:8 type:8 fill:8 _:8 bounds:24 |
510ca126 AW |
2820 | * |
2821 | * Make a new array with TYPE, FILL, and BOUNDS, storing it in DST. | |
2822 | */ | |
d38ca16e | 2823 | VM_DEFINE_OP (107, make_array, "make-array", OP2 (U8_U8_U8_U8, X8_U24) | OP_DST) |
510ca126 | 2824 | { |
c09708f9 AW |
2825 | scm_t_uint8 dst, type, fill, bounds; |
2826 | UNPACK_8_8_8 (op, dst, type, fill); | |
2827 | UNPACK_24 (ip[1], bounds); | |
510ca126 AW |
2828 | SYNC_IP (); |
2829 | LOCAL_SET (dst, scm_make_typed_array (LOCAL_REF (type), LOCAL_REF (fill), | |
2830 | LOCAL_REF (bounds))); | |
2831 | NEXT (2); | |
2832 | } | |
2833 | ||
2834 | /* bv-u8-ref dst:8 src:8 idx:8 | |
2835 | * bv-s8-ref dst:8 src:8 idx:8 | |
2836 | * bv-u16-ref dst:8 src:8 idx:8 | |
2837 | * bv-s16-ref dst:8 src:8 idx:8 | |
2838 | * bv-u32-ref dst:8 src:8 idx:8 | |
2839 | * bv-s32-ref dst:8 src:8 idx:8 | |
2840 | * bv-u64-ref dst:8 src:8 idx:8 | |
2841 | * bv-s64-ref dst:8 src:8 idx:8 | |
2842 | * bv-f32-ref dst:8 src:8 idx:8 | |
2843 | * bv-f64-ref dst:8 src:8 idx:8 | |
2844 | * | |
2845 | * Fetch the item at byte offset IDX in the bytevector SRC, and store | |
2846 | * it in DST. All accesses use native endianness. | |
2847 | */ | |
2848 | #define BV_FIXABLE_INT_REF(stem, fn_stem, type, size) \ | |
2849 | do { \ | |
2850 | scm_t_signed_bits i; \ | |
2851 | const scm_t_ ## type *int_ptr; \ | |
2852 | ARGS2 (bv, idx); \ | |
2853 | \ | |
2854 | VM_VALIDATE_BYTEVECTOR (bv, "bv-" #stem "-ref"); \ | |
2855 | i = SCM_I_INUM (idx); \ | |
2856 | int_ptr = (scm_t_ ## type *) (SCM_BYTEVECTOR_CONTENTS (bv) + i); \ | |
2857 | \ | |
2858 | if (SCM_LIKELY (SCM_I_INUMP (idx) \ | |
2859 | && (i >= 0) \ | |
2860 | && (i + size <= SCM_BYTEVECTOR_LENGTH (bv)) \ | |
2861 | && (ALIGNED_P (int_ptr, scm_t_ ## type)))) \ | |
2862 | RETURN (SCM_I_MAKINUM (*int_ptr)); \ | |
2863 | else \ | |
2864 | { \ | |
2865 | SYNC_IP (); \ | |
2866 | RETURN (scm_bytevector_ ## fn_stem ## _ref (bv, idx)); \ | |
2867 | } \ | |
2868 | } while (0) | |
2869 | ||
2870 | #define BV_INT_REF(stem, type, size) \ | |
2871 | do { \ | |
2872 | scm_t_signed_bits i; \ | |
2873 | const scm_t_ ## type *int_ptr; \ | |
2874 | ARGS2 (bv, idx); \ | |
2875 | \ | |
2876 | VM_VALIDATE_BYTEVECTOR (bv, "bv-" #stem "-ref"); \ | |
2877 | i = SCM_I_INUM (idx); \ | |
2878 | int_ptr = (scm_t_ ## type *) (SCM_BYTEVECTOR_CONTENTS (bv) + i); \ | |
2879 | \ | |
2880 | if (SCM_LIKELY (SCM_I_INUMP (idx) \ | |
2881 | && (i >= 0) \ | |
2882 | && (i + size <= SCM_BYTEVECTOR_LENGTH (bv)) \ | |
2883 | && (ALIGNED_P (int_ptr, scm_t_ ## type)))) \ | |
2884 | { \ | |
2885 | scm_t_ ## type x = *int_ptr; \ | |
2886 | if (SCM_FIXABLE (x)) \ | |
2887 | RETURN (SCM_I_MAKINUM (x)); \ | |
2888 | else \ | |
2889 | { \ | |
2890 | SYNC_IP (); \ | |
2891 | RETURN (scm_from_ ## type (x)); \ | |
2892 | } \ | |
2893 | } \ | |
2894 | else \ | |
2895 | { \ | |
2896 | SYNC_IP (); \ | |
2897 | RETURN (scm_bytevector_ ## stem ## _native_ref (bv, idx)); \ | |
2898 | } \ | |
2899 | } while (0) | |
2900 | ||
2901 | #define BV_FLOAT_REF(stem, fn_stem, type, size) \ | |
2902 | do { \ | |
2903 | scm_t_signed_bits i; \ | |
2904 | const type *float_ptr; \ | |
2905 | ARGS2 (bv, idx); \ | |
2906 | \ | |
2907 | VM_VALIDATE_BYTEVECTOR (bv, "bv-" #stem "-ref"); \ | |
2908 | i = SCM_I_INUM (idx); \ | |
2909 | float_ptr = (type *) (SCM_BYTEVECTOR_CONTENTS (bv) + i); \ | |
2910 | \ | |
2911 | SYNC_IP (); \ | |
2912 | if (SCM_LIKELY (SCM_I_INUMP (idx) \ | |
2913 | && (i >= 0) \ | |
2914 | && (i + size <= SCM_BYTEVECTOR_LENGTH (bv)) \ | |
2915 | && (ALIGNED_P (float_ptr, type)))) \ | |
2916 | RETURN (scm_from_double (*float_ptr)); \ | |
2917 | else \ | |
2918 | RETURN (scm_bytevector_ ## fn_stem ## _native_ref (bv, idx)); \ | |
2919 | } while (0) | |
2920 | ||
d38ca16e | 2921 | VM_DEFINE_OP (108, bv_u8_ref, "bv-u8-ref", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 AW |
2922 | BV_FIXABLE_INT_REF (u8, u8, uint8, 1); |
2923 | ||
d38ca16e | 2924 | VM_DEFINE_OP (109, bv_s8_ref, "bv-s8-ref", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 AW |
2925 | BV_FIXABLE_INT_REF (s8, s8, int8, 1); |
2926 | ||
d38ca16e | 2927 | VM_DEFINE_OP (110, bv_u16_ref, "bv-u16-ref", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 AW |
2928 | BV_FIXABLE_INT_REF (u16, u16_native, uint16, 2); |
2929 | ||
d38ca16e | 2930 | VM_DEFINE_OP (111, bv_s16_ref, "bv-s16-ref", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 AW |
2931 | BV_FIXABLE_INT_REF (s16, s16_native, int16, 2); |
2932 | ||
d38ca16e | 2933 | VM_DEFINE_OP (112, bv_u32_ref, "bv-u32-ref", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 AW |
2934 | #if SIZEOF_VOID_P > 4 |
2935 | BV_FIXABLE_INT_REF (u32, u32_native, uint32, 4); | |
2936 | #else | |
2937 | BV_INT_REF (u32, uint32, 4); | |
2938 | #endif | |
2939 | ||
d38ca16e | 2940 | VM_DEFINE_OP (113, bv_s32_ref, "bv-s32-ref", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 AW |
2941 | #if SIZEOF_VOID_P > 4 |
2942 | BV_FIXABLE_INT_REF (s32, s32_native, int32, 4); | |
2943 | #else | |
2944 | BV_INT_REF (s32, int32, 4); | |
2945 | #endif | |
2946 | ||
d38ca16e | 2947 | VM_DEFINE_OP (114, bv_u64_ref, "bv-u64-ref", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 AW |
2948 | BV_INT_REF (u64, uint64, 8); |
2949 | ||
d38ca16e | 2950 | VM_DEFINE_OP (115, bv_s64_ref, "bv-s64-ref", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 AW |
2951 | BV_INT_REF (s64, int64, 8); |
2952 | ||
d38ca16e | 2953 | VM_DEFINE_OP (116, bv_f32_ref, "bv-f32-ref", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 AW |
2954 | BV_FLOAT_REF (f32, ieee_single, float, 4); |
2955 | ||
d38ca16e | 2956 | VM_DEFINE_OP (117, bv_f64_ref, "bv-f64-ref", OP1 (U8_U8_U8_U8) | OP_DST) |
510ca126 AW |
2957 | BV_FLOAT_REF (f64, ieee_double, double, 8); |
2958 | ||
2959 | /* bv-u8-set! dst:8 idx:8 src:8 | |
2960 | * bv-s8-set! dst:8 idx:8 src:8 | |
2961 | * bv-u16-set! dst:8 idx:8 src:8 | |
2962 | * bv-s16-set! dst:8 idx:8 src:8 | |
2963 | * bv-u32-set! dst:8 idx:8 src:8 | |
2964 | * bv-s32-set! dst:8 idx:8 src:8 | |
2965 | * bv-u64-set! dst:8 idx:8 src:8 | |
2966 | * bv-s64-set! dst:8 idx:8 src:8 | |
2967 | * bv-f32-set! dst:8 idx:8 src:8 | |
2968 | * bv-f64-set! dst:8 idx:8 src:8 | |
2969 | * | |
2970 | * Store SRC into the bytevector DST at byte offset IDX. Multibyte | |
2971 | * values are written using native endianness. | |
2972 | */ | |
2973 | #define BV_FIXABLE_INT_SET(stem, fn_stem, type, min, max, size) \ | |
2974 | do { \ | |
2975 | scm_t_uint8 dst, idx, src; \ | |
2976 | scm_t_signed_bits i, j = 0; \ | |
2977 | SCM bv, scm_idx, val; \ | |
2978 | scm_t_ ## type *int_ptr; \ | |
2979 | \ | |
20b1b913 | 2980 | UNPACK_8_8_8 (op, dst, idx, src); \ |
510ca126 AW |
2981 | bv = LOCAL_REF (dst); \ |
2982 | scm_idx = LOCAL_REF (idx); \ | |
2983 | val = LOCAL_REF (src); \ | |
ecbef966 | 2984 | VM_VALIDATE_BYTEVECTOR (bv, "bv-" #stem "-set!"); \ |
510ca126 AW |
2985 | i = SCM_I_INUM (scm_idx); \ |
2986 | int_ptr = (scm_t_ ## type *) (SCM_BYTEVECTOR_CONTENTS (bv) + i); \ | |
2987 | \ | |
2988 | if (SCM_LIKELY (SCM_I_INUMP (scm_idx) \ | |
2989 | && (i >= 0) \ | |
2990 | && (i + size <= SCM_BYTEVECTOR_LENGTH (bv)) \ | |
2991 | && (ALIGNED_P (int_ptr, scm_t_ ## type)) \ | |
2992 | && (SCM_I_INUMP (val)) \ | |
2993 | && ((j = SCM_I_INUM (val)) >= min) \ | |
2994 | && (j <= max))) \ | |
2995 | *int_ptr = (scm_t_ ## type) j; \ | |
2996 | else \ | |
2997 | { \ | |
2998 | SYNC_IP (); \ | |
2999 | scm_bytevector_ ## fn_stem ## _set_x (bv, scm_idx, val); \ | |
3000 | } \ | |
3001 | NEXT (1); \ | |
3002 | } while (0) | |
3003 | ||
3004 | #define BV_INT_SET(stem, type, size) \ | |
3005 | do { \ | |
3006 | scm_t_uint8 dst, idx, src; \ | |
3007 | scm_t_signed_bits i; \ | |
3008 | SCM bv, scm_idx, val; \ | |
3009 | scm_t_ ## type *int_ptr; \ | |
3010 | \ | |
20b1b913 | 3011 | UNPACK_8_8_8 (op, dst, idx, src); \ |
510ca126 AW |
3012 | bv = LOCAL_REF (dst); \ |
3013 | scm_idx = LOCAL_REF (idx); \ | |
3014 | val = LOCAL_REF (src); \ | |
ecbef966 | 3015 | VM_VALIDATE_BYTEVECTOR (bv, "bv-" #stem "-set!"); \ |
510ca126 AW |
3016 | i = SCM_I_INUM (scm_idx); \ |
3017 | int_ptr = (scm_t_ ## type *) (SCM_BYTEVECTOR_CONTENTS (bv) + i); \ | |
3018 | \ | |
3019 | if (SCM_LIKELY (SCM_I_INUMP (scm_idx) \ | |
3020 | && (i >= 0) \ | |
3021 | && (i + size <= SCM_BYTEVECTOR_LENGTH (bv)) \ | |
3022 | && (ALIGNED_P (int_ptr, scm_t_ ## type)))) \ | |
3023 | *int_ptr = scm_to_ ## type (val); \ | |
3024 | else \ | |
3025 | { \ | |
3026 | SYNC_IP (); \ | |
3027 | scm_bytevector_ ## stem ## _native_set_x (bv, scm_idx, val); \ | |
3028 | } \ | |
3029 | NEXT (1); \ | |
3030 | } while (0) | |
3031 | ||
3032 | #define BV_FLOAT_SET(stem, fn_stem, type, size) \ | |
3033 | do { \ | |
3034 | scm_t_uint8 dst, idx, src; \ | |
3035 | scm_t_signed_bits i; \ | |
3036 | SCM bv, scm_idx, val; \ | |
3037 | type *float_ptr; \ | |
3038 | \ | |
20b1b913 | 3039 | UNPACK_8_8_8 (op, dst, idx, src); \ |
510ca126 AW |
3040 | bv = LOCAL_REF (dst); \ |
3041 | scm_idx = LOCAL_REF (idx); \ | |
3042 | val = LOCAL_REF (src); \ | |
ecbef966 | 3043 | VM_VALIDATE_BYTEVECTOR (bv, "bv-" #stem "-set!"); \ |
510ca126 AW |
3044 | i = SCM_I_INUM (scm_idx); \ |
3045 | float_ptr = (type *) (SCM_BYTEVECTOR_CONTENTS (bv) + i); \ | |
3046 | \ | |
3047 | if (SCM_LIKELY (SCM_I_INUMP (scm_idx) \ | |
3048 | && (i >= 0) \ | |
3049 | && (i + size <= SCM_BYTEVECTOR_LENGTH (bv)) \ | |
3050 | && (ALIGNED_P (float_ptr, type)))) \ | |
3051 | *float_ptr = scm_to_double (val); \ | |
3052 | else \ | |
3053 | { \ | |
3054 | SYNC_IP (); \ | |
3055 | scm_bytevector_ ## fn_stem ## _native_set_x (bv, scm_idx, val); \ | |
3056 | } \ | |
3057 | NEXT (1); \ | |
3058 | } while (0) | |
3059 | ||
d38ca16e | 3060 | VM_DEFINE_OP (118, bv_u8_set, "bv-u8-set!", OP1 (U8_U8_U8_U8)) |
510ca126 AW |
3061 | BV_FIXABLE_INT_SET (u8, u8, uint8, 0, SCM_T_UINT8_MAX, 1); |
3062 | ||
d38ca16e | 3063 | VM_DEFINE_OP (119, bv_s8_set, "bv-s8-set!", OP1 (U8_U8_U8_U8)) |
510ca126 AW |
3064 | BV_FIXABLE_INT_SET (s8, s8, int8, SCM_T_INT8_MIN, SCM_T_INT8_MAX, 1); |
3065 | ||
d38ca16e | 3066 | VM_DEFINE_OP (120, bv_u16_set, "bv-u16-set!", OP1 (U8_U8_U8_U8)) |
510ca126 AW |
3067 | BV_FIXABLE_INT_SET (u16, u16_native, uint16, 0, SCM_T_UINT16_MAX, 2); |
3068 | ||
d38ca16e | 3069 | VM_DEFINE_OP (121, bv_s16_set, "bv-s16-set!", OP1 (U8_U8_U8_U8)) |
510ca126 AW |
3070 | BV_FIXABLE_INT_SET (s16, s16_native, int16, SCM_T_INT16_MIN, SCM_T_INT16_MAX, 2); |
3071 | ||
d38ca16e | 3072 | VM_DEFINE_OP (122, bv_u32_set, "bv-u32-set!", OP1 (U8_U8_U8_U8)) |
510ca126 AW |
3073 | #if SIZEOF_VOID_P > 4 |
3074 | BV_FIXABLE_INT_SET (u32, u32_native, uint32, 0, SCM_T_UINT32_MAX, 4); | |
3075 | #else | |
3076 | BV_INT_SET (u32, uint32, 4); | |
3077 | #endif | |
3078 | ||
d38ca16e | 3079 | VM_DEFINE_OP (123, bv_s32_set, "bv-s32-set!", OP1 (U8_U8_U8_U8)) |
510ca126 AW |
3080 | #if SIZEOF_VOID_P > 4 |
3081 | BV_FIXABLE_INT_SET (s32, s32_native, int32, SCM_T_INT32_MIN, SCM_T_INT32_MAX, 4); | |
3082 | #else | |
3083 | BV_INT_SET (s32, int32, 4); | |
3084 | #endif | |
3085 | ||
d38ca16e | 3086 | VM_DEFINE_OP (124, bv_u64_set, "bv-u64-set!", OP1 (U8_U8_U8_U8)) |
510ca126 AW |
3087 | BV_INT_SET (u64, uint64, 8); |
3088 | ||
d38ca16e | 3089 | VM_DEFINE_OP (125, bv_s64_set, "bv-s64-set!", OP1 (U8_U8_U8_U8)) |
510ca126 AW |
3090 | BV_INT_SET (s64, int64, 8); |
3091 | ||
d38ca16e | 3092 | VM_DEFINE_OP (126, bv_f32_set, "bv-f32-set!", OP1 (U8_U8_U8_U8)) |
510ca126 AW |
3093 | BV_FLOAT_SET (f32, ieee_single, float, 4); |
3094 | ||
d38ca16e | 3095 | VM_DEFINE_OP (127, bv_f64_set, "bv-f64-set!", OP1 (U8_U8_U8_U8)) |
510ca126 AW |
3096 | BV_FLOAT_SET (f64, ieee_double, double, 8); |
3097 | ||
8c6206f3 AW |
3098 | /* br-if-logtest a:12 b:12 invert:1 _:7 offset:24 |
3099 | * | |
3100 | * If the exact integer in A has any bits in common with the exact | |
3101 | * integer in B, add OFFSET, a signed 24-bit number, to the current | |
3102 | * instruction pointer. | |
3103 | */ | |
3104 | VM_DEFINE_OP (128, br_if_logtest, "br-if-logtest", OP2 (U8_U12_U12, B1_X7_L24)) | |
3105 | { | |
3106 | BR_BINARY (x, y, | |
3107 | ((SCM_I_INUMP (x) && SCM_I_INUMP (y)) | |
3108 | ? (SCM_UNPACK (x) & SCM_UNPACK (y) & ~scm_tc2_int) | |
3109 | : scm_is_true (scm_logtest (x, y)))); | |
3110 | } | |
3111 | ||
27b3b5b9 AW |
3112 | /* FIXME: Move above */ |
3113 | ||
3114 | /* allocate-struct dst:8 vtable:8 nfields:8 | |
3115 | * | |
3116 | * Allocate a new struct with VTABLE, and place it in DST. The struct | |
3117 | * will be constructed with space for NFIELDS fields, which should | |
3118 | * correspond to the field count of the VTABLE. | |
3119 | */ | |
3120 | VM_DEFINE_OP (129, allocate_struct, "allocate-struct", OP1 (U8_U8_U8_U8) | OP_DST) | |
3121 | { | |
3122 | scm_t_uint8 dst, vtable, nfields; | |
3123 | SCM ret; | |
3124 | ||
3125 | UNPACK_8_8_8 (op, dst, vtable, nfields); | |
3126 | ||
3127 | SYNC_IP (); | |
3128 | ret = scm_allocate_struct (LOCAL_REF (vtable), LOCAL_REF (nfields)); | |
3129 | LOCAL_SET (dst, ret); | |
3130 | ||
3131 | NEXT (1); | |
3132 | } | |
3133 | ||
3134 | /* struct-ref dst:8 src:8 idx:8 | |
3135 | * | |
3136 | * Fetch the item at slot IDX in the struct in SRC, and store it | |
3137 | * in DST. | |
3138 | */ | |
3139 | VM_DEFINE_OP (130, struct_ref, "struct-ref", OP1 (U8_U8_U8_U8) | OP_DST) | |
3140 | { | |
3141 | scm_t_uint8 dst, src, idx; | |
3142 | SCM obj; | |
3143 | SCM index; | |
3144 | ||
3145 | UNPACK_8_8_8 (op, dst, src, idx); | |
3146 | ||
3147 | obj = LOCAL_REF (src); | |
3148 | index = LOCAL_REF (idx); | |
3149 | ||
3150 | if (SCM_LIKELY (SCM_STRUCTP (obj) | |
3151 | && SCM_STRUCT_VTABLE_FLAG_IS_SET (obj, | |
3152 | SCM_VTABLE_FLAG_SIMPLE) | |
3153 | && SCM_I_INUMP (index) | |
3154 | && SCM_I_INUM (index) >= 0 | |
3155 | && SCM_I_INUM (index) < (SCM_STRUCT_DATA_REF | |
3156 | (SCM_STRUCT_VTABLE (obj), | |
3157 | scm_vtable_index_size)))) | |
3158 | RETURN (SCM_STRUCT_SLOT_REF (obj, SCM_I_INUM (index))); | |
3159 | ||
3160 | SYNC_IP (); | |
3161 | RETURN (scm_struct_ref (obj, index)); | |
3162 | } | |
3163 | ||
3164 | /* struct-set! dst:8 idx:8 src:8 | |
3165 | * | |
3166 | * Store SRC into the struct DST at slot IDX. | |
3167 | */ | |
3168 | VM_DEFINE_OP (131, struct_set, "struct-set!", OP1 (U8_U8_U8_U8)) | |
3169 | { | |
3170 | scm_t_uint8 dst, idx, src; | |
3171 | SCM obj, val, index; | |
3172 | ||
3173 | UNPACK_8_8_8 (op, dst, idx, src); | |
3174 | ||
3175 | obj = LOCAL_REF (dst); | |
3176 | val = LOCAL_REF (src); | |
3177 | index = LOCAL_REF (idx); | |
3178 | ||
3179 | if (SCM_LIKELY (SCM_STRUCTP (obj) | |
3180 | && SCM_STRUCT_VTABLE_FLAG_IS_SET (obj, | |
3181 | SCM_VTABLE_FLAG_SIMPLE) | |
3182 | && SCM_STRUCT_VTABLE_FLAG_IS_SET (obj, | |
3183 | SCM_VTABLE_FLAG_SIMPLE_RW) | |
3184 | && SCM_I_INUMP (index) | |
3185 | && SCM_I_INUM (index) >= 0 | |
3186 | && SCM_I_INUM (index) < (SCM_STRUCT_DATA_REF | |
3187 | (SCM_STRUCT_VTABLE (obj), | |
3188 | scm_vtable_index_size)))) | |
3189 | { | |
3190 | SCM_STRUCT_SLOT_SET (obj, SCM_I_INUM (index), val); | |
3191 | NEXT (1); | |
3192 | } | |
3193 | ||
3194 | SYNC_IP (); | |
3195 | scm_struct_set_x (obj, index, val); | |
3196 | NEXT (1); | |
3197 | } | |
3198 | ||
d86682ba AW |
3199 | VM_DEFINE_OP (132, unused_132, NULL, NOP) |
3200 | VM_DEFINE_OP (133, unused_133, NULL, NOP) | |
3201 | VM_DEFINE_OP (134, unused_134, NULL, NOP) | |
3202 | VM_DEFINE_OP (135, unused_135, NULL, NOP) | |
3203 | VM_DEFINE_OP (136, unused_136, NULL, NOP) | |
3204 | VM_DEFINE_OP (137, unused_137, NULL, NOP) | |
3205 | VM_DEFINE_OP (138, unused_138, NULL, NOP) | |
3206 | VM_DEFINE_OP (139, unused_139, NULL, NOP) | |
3207 | VM_DEFINE_OP (140, unused_140, NULL, NOP) | |
3208 | VM_DEFINE_OP (141, unused_141, NULL, NOP) | |
3209 | VM_DEFINE_OP (142, unused_142, NULL, NOP) | |
3210 | VM_DEFINE_OP (143, unused_143, NULL, NOP) | |
3211 | VM_DEFINE_OP (144, unused_144, NULL, NOP) | |
3212 | VM_DEFINE_OP (145, unused_145, NULL, NOP) | |
3213 | VM_DEFINE_OP (146, unused_146, NULL, NOP) | |
3214 | VM_DEFINE_OP (147, unused_147, NULL, NOP) | |
3215 | VM_DEFINE_OP (148, unused_148, NULL, NOP) | |
3216 | VM_DEFINE_OP (149, unused_149, NULL, NOP) | |
3217 | VM_DEFINE_OP (150, unused_150, NULL, NOP) | |
3218 | VM_DEFINE_OP (151, unused_151, NULL, NOP) | |
3219 | VM_DEFINE_OP (152, unused_152, NULL, NOP) | |
3220 | VM_DEFINE_OP (153, unused_153, NULL, NOP) | |
3221 | VM_DEFINE_OP (154, unused_154, NULL, NOP) | |
3222 | VM_DEFINE_OP (155, unused_155, NULL, NOP) | |
3223 | VM_DEFINE_OP (156, unused_156, NULL, NOP) | |
3224 | VM_DEFINE_OP (157, unused_157, NULL, NOP) | |
3225 | VM_DEFINE_OP (158, unused_158, NULL, NOP) | |
3226 | VM_DEFINE_OP (159, unused_159, NULL, NOP) | |
3227 | VM_DEFINE_OP (160, unused_160, NULL, NOP) | |
3228 | VM_DEFINE_OP (161, unused_161, NULL, NOP) | |
3229 | VM_DEFINE_OP (162, unused_162, NULL, NOP) | |
3230 | VM_DEFINE_OP (163, unused_163, NULL, NOP) | |
3231 | VM_DEFINE_OP (164, unused_164, NULL, NOP) | |
3232 | VM_DEFINE_OP (165, unused_165, NULL, NOP) | |
3233 | VM_DEFINE_OP (166, unused_166, NULL, NOP) | |
3234 | VM_DEFINE_OP (167, unused_167, NULL, NOP) | |
3235 | VM_DEFINE_OP (168, unused_168, NULL, NOP) | |
3236 | VM_DEFINE_OP (169, unused_169, NULL, NOP) | |
3237 | VM_DEFINE_OP (170, unused_170, NULL, NOP) | |
3238 | VM_DEFINE_OP (171, unused_171, NULL, NOP) | |
3239 | VM_DEFINE_OP (172, unused_172, NULL, NOP) | |
3240 | VM_DEFINE_OP (173, unused_173, NULL, NOP) | |
3241 | VM_DEFINE_OP (174, unused_174, NULL, NOP) | |
3242 | VM_DEFINE_OP (175, unused_175, NULL, NOP) | |
3243 | VM_DEFINE_OP (176, unused_176, NULL, NOP) | |
3244 | VM_DEFINE_OP (177, unused_177, NULL, NOP) | |
3245 | VM_DEFINE_OP (178, unused_178, NULL, NOP) | |
3246 | VM_DEFINE_OP (179, unused_179, NULL, NOP) | |
3247 | VM_DEFINE_OP (180, unused_180, NULL, NOP) | |
3248 | VM_DEFINE_OP (181, unused_181, NULL, NOP) | |
3249 | VM_DEFINE_OP (182, unused_182, NULL, NOP) | |
3250 | VM_DEFINE_OP (183, unused_183, NULL, NOP) | |
3251 | VM_DEFINE_OP (184, unused_184, NULL, NOP) | |
3252 | VM_DEFINE_OP (185, unused_185, NULL, NOP) | |
3253 | VM_DEFINE_OP (186, unused_186, NULL, NOP) | |
3254 | VM_DEFINE_OP (187, unused_187, NULL, NOP) | |
3255 | VM_DEFINE_OP (188, unused_188, NULL, NOP) | |
3256 | VM_DEFINE_OP (189, unused_189, NULL, NOP) | |
3257 | VM_DEFINE_OP (190, unused_190, NULL, NOP) | |
3258 | VM_DEFINE_OP (191, unused_191, NULL, NOP) | |
3259 | VM_DEFINE_OP (192, unused_192, NULL, NOP) | |
3260 | VM_DEFINE_OP (193, unused_193, NULL, NOP) | |
3261 | VM_DEFINE_OP (194, unused_194, NULL, NOP) | |
3262 | VM_DEFINE_OP (195, unused_195, NULL, NOP) | |
3263 | VM_DEFINE_OP (196, unused_196, NULL, NOP) | |
3264 | VM_DEFINE_OP (197, unused_197, NULL, NOP) | |
3265 | VM_DEFINE_OP (198, unused_198, NULL, NOP) | |
3266 | VM_DEFINE_OP (199, unused_199, NULL, NOP) | |
3267 | VM_DEFINE_OP (200, unused_200, NULL, NOP) | |
3268 | VM_DEFINE_OP (201, unused_201, NULL, NOP) | |
3269 | VM_DEFINE_OP (202, unused_202, NULL, NOP) | |
3270 | VM_DEFINE_OP (203, unused_203, NULL, NOP) | |
3271 | VM_DEFINE_OP (204, unused_204, NULL, NOP) | |
3272 | VM_DEFINE_OP (205, unused_205, NULL, NOP) | |
3273 | VM_DEFINE_OP (206, unused_206, NULL, NOP) | |
3274 | VM_DEFINE_OP (207, unused_207, NULL, NOP) | |
3275 | VM_DEFINE_OP (208, unused_208, NULL, NOP) | |
3276 | VM_DEFINE_OP (209, unused_209, NULL, NOP) | |
3277 | VM_DEFINE_OP (210, unused_210, NULL, NOP) | |
3278 | VM_DEFINE_OP (211, unused_211, NULL, NOP) | |
3279 | VM_DEFINE_OP (212, unused_212, NULL, NOP) | |
3280 | VM_DEFINE_OP (213, unused_213, NULL, NOP) | |
3281 | VM_DEFINE_OP (214, unused_214, NULL, NOP) | |
3282 | VM_DEFINE_OP (215, unused_215, NULL, NOP) | |
3283 | VM_DEFINE_OP (216, unused_216, NULL, NOP) | |
3284 | VM_DEFINE_OP (217, unused_217, NULL, NOP) | |
3285 | VM_DEFINE_OP (218, unused_218, NULL, NOP) | |
3286 | VM_DEFINE_OP (219, unused_219, NULL, NOP) | |
3287 | VM_DEFINE_OP (220, unused_220, NULL, NOP) | |
3288 | VM_DEFINE_OP (221, unused_221, NULL, NOP) | |
3289 | VM_DEFINE_OP (222, unused_222, NULL, NOP) | |
3290 | VM_DEFINE_OP (223, unused_223, NULL, NOP) | |
3291 | VM_DEFINE_OP (224, unused_224, NULL, NOP) | |
3292 | VM_DEFINE_OP (225, unused_225, NULL, NOP) | |
3293 | VM_DEFINE_OP (226, unused_226, NULL, NOP) | |
3294 | VM_DEFINE_OP (227, unused_227, NULL, NOP) | |
3295 | VM_DEFINE_OP (228, unused_228, NULL, NOP) | |
3296 | VM_DEFINE_OP (229, unused_229, NULL, NOP) | |
3297 | VM_DEFINE_OP (230, unused_230, NULL, NOP) | |
3298 | VM_DEFINE_OP (231, unused_231, NULL, NOP) | |
3299 | VM_DEFINE_OP (232, unused_232, NULL, NOP) | |
3300 | VM_DEFINE_OP (233, unused_233, NULL, NOP) | |
3301 | VM_DEFINE_OP (234, unused_234, NULL, NOP) | |
3302 | VM_DEFINE_OP (235, unused_235, NULL, NOP) | |
3303 | VM_DEFINE_OP (236, unused_236, NULL, NOP) | |
3304 | VM_DEFINE_OP (237, unused_237, NULL, NOP) | |
3305 | VM_DEFINE_OP (238, unused_238, NULL, NOP) | |
3306 | VM_DEFINE_OP (239, unused_239, NULL, NOP) | |
3307 | VM_DEFINE_OP (240, unused_240, NULL, NOP) | |
3308 | VM_DEFINE_OP (241, unused_241, NULL, NOP) | |
3309 | VM_DEFINE_OP (242, unused_242, NULL, NOP) | |
3310 | VM_DEFINE_OP (243, unused_243, NULL, NOP) | |
3311 | VM_DEFINE_OP (244, unused_244, NULL, NOP) | |
3312 | VM_DEFINE_OP (245, unused_245, NULL, NOP) | |
3313 | VM_DEFINE_OP (246, unused_246, NULL, NOP) | |
3314 | VM_DEFINE_OP (247, unused_247, NULL, NOP) | |
3315 | VM_DEFINE_OP (248, unused_248, NULL, NOP) | |
3316 | VM_DEFINE_OP (249, unused_249, NULL, NOP) | |
3317 | VM_DEFINE_OP (250, unused_250, NULL, NOP) | |
3318 | VM_DEFINE_OP (251, unused_251, NULL, NOP) | |
3319 | VM_DEFINE_OP (252, unused_252, NULL, NOP) | |
3320 | VM_DEFINE_OP (253, unused_253, NULL, NOP) | |
3321 | VM_DEFINE_OP (254, unused_254, NULL, NOP) | |
3322 | VM_DEFINE_OP (255, unused_255, NULL, NOP) | |
3323 | { | |
3324 | vm_error_bad_instruction (op); | |
3325 | abort (); /* never reached */ | |
3326 | } | |
510ca126 | 3327 | |
d86682ba | 3328 | END_DISPATCH_SWITCH; |
510ca126 AW |
3329 | } |
3330 | ||
3331 | ||
3332 | #undef ABORT_CONTINUATION_HOOK | |
3333 | #undef ALIGNED_P | |
3334 | #undef APPLY_HOOK | |
3335 | #undef ARGS1 | |
3336 | #undef ARGS2 | |
3337 | #undef BEGIN_DISPATCH_SWITCH | |
3338 | #undef BINARY_INTEGER_OP | |
3339 | #undef BR_ARITHMETIC | |
3340 | #undef BR_BINARY | |
3341 | #undef BR_NARGS | |
3342 | #undef BR_UNARY | |
3343 | #undef BV_FIXABLE_INT_REF | |
3344 | #undef BV_FIXABLE_INT_SET | |
3345 | #undef BV_FLOAT_REF | |
3346 | #undef BV_FLOAT_SET | |
3347 | #undef BV_INT_REF | |
3348 | #undef BV_INT_SET | |
3349 | #undef CACHE_REGISTER | |
510ca126 AW |
3350 | #undef END_DISPATCH_SWITCH |
3351 | #undef FREE_VARIABLE_REF | |
3352 | #undef INIT | |
3353 | #undef INUM_MAX | |
3354 | #undef INUM_MIN | |
3355 | #undef LOCAL_REF | |
3356 | #undef LOCAL_SET | |
3357 | #undef NEXT | |
3358 | #undef NEXT_HOOK | |
3359 | #undef NEXT_JUMP | |
3360 | #undef POP_CONTINUATION_HOOK | |
3361 | #undef PUSH_CONTINUATION_HOOK | |
510ca126 AW |
3362 | #undef RETURN |
3363 | #undef RETURN_ONE_VALUE | |
3364 | #undef RETURN_VALUE_LIST | |
3365 | #undef RUN_HOOK | |
3366 | #undef RUN_HOOK0 | |
ea0cd17d | 3367 | #undef RUN_HOOK1 |
510ca126 | 3368 | #undef SYNC_IP |
20b1b913 AW |
3369 | #undef UNPACK_8_8_8 |
3370 | #undef UNPACK_8_16 | |
3371 | #undef UNPACK_16_8 | |
3372 | #undef UNPACK_12_12 | |
3373 | #undef UNPACK_24 | |
510ca126 AW |
3374 | #undef VARIABLE_BOUNDP |
3375 | #undef VARIABLE_REF | |
3376 | #undef VARIABLE_SET | |
3377 | #undef VM_CHECK_FREE_VARIABLE | |
3378 | #undef VM_CHECK_OBJECT | |
3379 | #undef VM_CHECK_UNDERFLOW | |
3380 | #undef VM_DEFINE_OP | |
3381 | #undef VM_INSTRUCTION_TO_LABEL | |
3382 | #undef VM_USE_HOOKS | |
3383 | #undef VM_VALIDATE_BYTEVECTOR | |
3384 | #undef VM_VALIDATE_PAIR | |
3385 | #undef VM_VALIDATE_STRUCT | |
3386 | ||
3387 | /* | |
3388 | (defun renumber-ops () | |
3389 | "start from top of buffer and renumber 'VM_DEFINE_FOO (\n' sequences" | |
3390 | (interactive "") | |
3391 | (save-excursion | |
3392 | (let ((counter -1)) (goto-char (point-min)) | |
3393 | (while (re-search-forward "^ *VM_DEFINE_[^ ]+ (\\([^,]+\\)," (point-max) t) | |
3394 | (replace-match | |
3395 | (number-to-string (setq counter (1+ counter))) | |
3396 | t t nil 1))))) | |
3397 | (renumber-ops) | |
3398 | */ | |
17e90c5e KN |
3399 | /* |
3400 | Local Variables: | |
3401 | c-file-style: "gnu" | |
3402 | End: | |
3403 | */ |