/home/travis/build/MoarVM/MoarVM/src/core/nativecall_dyncall.c
Line | Count | Source (jump to first uncovered line) |
1 | | #include "moar.h" |
2 | | #ifndef _WIN32 |
3 | | #include <dlfcn.h> |
4 | | #endif |
5 | | |
6 | | /* Maps a calling convention name to an ID. */ |
7 | 3 | MVMint16 MVM_nativecall_get_calling_convention(MVMThreadContext *tc, MVMString *name) { |
8 | 3 | MVMint16 result = DC_CALL_C_DEFAULT; |
9 | 3 | if (name && MVM_string_graphs(tc, name) > 0) { |
10 | 0 | char *cname = MVM_string_utf8_encode_C_string(tc, name); |
11 | 0 | if (strcmp(cname, "cdecl") == 0) |
12 | 0 | result = DC_CALL_C_X86_CDECL; |
13 | 0 | else if (strcmp(cname, "stdcall") == 0) |
14 | 0 | result = DC_CALL_C_X86_WIN32_STD; |
15 | 0 | else if (strcmp(cname, "thisgnu") == 0) |
16 | 0 | result = DC_CALL_C_X86_WIN32_THIS_GNU; |
17 | 0 | else if (strcmp(cname, "thisms") == 0) |
18 | 0 | result = DC_CALL_C_X86_WIN32_THIS_MS; |
19 | 0 | else if (strcmp(cname, "stdcall") == 0) |
20 | 0 | result = DC_CALL_C_X64_WIN64; |
21 | 0 | else { |
22 | 0 | char *waste[] = { cname, NULL }; |
23 | 0 | MVM_exception_throw_adhoc_free(tc, waste, |
24 | 0 | "Unknown calling convention '%s' used for native call", cname); |
25 | 0 | } |
26 | 0 | MVM_free(cname); |
27 | 0 | } |
28 | 3 | return result; |
29 | 3 | } |
30 | | |
31 | | /* Map argument type ID to dyncall character ID. */ |
32 | 0 | static char get_signature_char(MVMint16 type_id) { |
33 | 0 | if ( (type_id & MVM_NATIVECALL_ARG_RW_MASK) == MVM_NATIVECALL_ARG_RW) |
34 | 0 | return 'p'; |
35 | 0 |
|
36 | 0 | switch (type_id & MVM_NATIVECALL_ARG_TYPE_MASK) { |
37 | 0 | case MVM_NATIVECALL_ARG_VOID: |
38 | 0 | return 'v'; |
39 | 0 | case MVM_NATIVECALL_ARG_CHAR: |
40 | 0 | return 'c'; |
41 | 0 | case MVM_NATIVECALL_ARG_SHORT: |
42 | 0 | return 's'; |
43 | 0 | case MVM_NATIVECALL_ARG_INT: |
44 | 0 | return 'i'; |
45 | 0 | case MVM_NATIVECALL_ARG_LONG: |
46 | 0 | return 'j'; |
47 | 0 | case MVM_NATIVECALL_ARG_LONGLONG: |
48 | 0 | return 'l'; |
49 | 0 | case MVM_NATIVECALL_ARG_FLOAT: |
50 | 0 | return 'f'; |
51 | 0 | case MVM_NATIVECALL_ARG_DOUBLE: |
52 | 0 | return 'd'; |
53 | 0 | case MVM_NATIVECALL_ARG_ASCIISTR: |
54 | 0 | case MVM_NATIVECALL_ARG_UTF8STR: |
55 | 0 | case MVM_NATIVECALL_ARG_UTF16STR: |
56 | 0 | case MVM_NATIVECALL_ARG_CSTRUCT: |
57 | 0 | case MVM_NATIVECALL_ARG_CPOINTER: |
58 | 0 | case MVM_NATIVECALL_ARG_CARRAY: |
59 | 0 | case MVM_NATIVECALL_ARG_CUNION: |
60 | 0 | case MVM_NATIVECALL_ARG_VMARRAY: |
61 | 0 | case MVM_NATIVECALL_ARG_CALLBACK: |
62 | 0 | return 'p'; |
63 | 0 | case MVM_NATIVECALL_ARG_UCHAR: |
64 | 0 | return 'C'; |
65 | 0 | case MVM_NATIVECALL_ARG_USHORT: |
66 | 0 | return 'S'; |
67 | 0 | case MVM_NATIVECALL_ARG_UINT: |
68 | 0 | return 'I'; |
69 | 0 | case MVM_NATIVECALL_ARG_ULONG: |
70 | 0 | return 'J'; |
71 | 0 | case MVM_NATIVECALL_ARG_ULONGLONG: |
72 | 0 | return 'L'; |
73 | 0 | default: |
74 | 0 | return '\0'; |
75 | 0 | } |
76 | 0 | } |
77 | | |
78 | | /* Sets up a callback, caching the information to avoid duplicate work. */ |
79 | | static char callback_handler(DCCallback *cb, DCArgs *args, DCValue *result, MVMNativeCallback *data); |
80 | 0 | static void * unmarshal_callback(MVMThreadContext *tc, MVMObject *callback, MVMObject *sig_info) { |
81 | 0 | MVMNativeCallbackCacheHead *callback_data_head = NULL; |
82 | 0 | MVMNativeCallback **callback_data_handle; |
83 | 0 | MVMString *cuid; |
84 | 0 |
|
85 | 0 | if (!IS_CONCRETE(callback)) |
86 | 0 | return NULL; |
87 | 0 |
|
88 | 0 | /* Try to locate existing cached callback info. */ |
89 | 0 | callback = MVM_frame_find_invokee(tc, callback, NULL); |
90 | 0 | cuid = ((MVMCode *)callback)->body.sf->body.cuuid; |
91 | 0 | MVM_HASH_GET(tc, tc->native_callback_cache, cuid, callback_data_head); |
92 | 0 |
|
93 | 0 | if (!callback_data_head) { |
94 | 0 | callback_data_head = MVM_malloc(sizeof(MVMNativeCallbackCacheHead)); |
95 | 0 | callback_data_head->head = NULL; |
96 | 0 |
|
97 | 0 | MVM_HASH_BIND(tc, tc->native_callback_cache, cuid, callback_data_head); |
98 | 0 | } |
99 | 0 |
|
100 | 0 | callback_data_handle = &(callback_data_head->head); |
101 | 0 |
|
102 | 0 | while (*callback_data_handle) { |
103 | 0 | if ((*callback_data_handle)->target == callback) /* found it, break */ |
104 | 0 | break; |
105 | 0 |
|
106 | 0 | callback_data_handle = &((*callback_data_handle)->next); |
107 | 0 | } |
108 | 0 |
|
109 | 0 | if (!*callback_data_handle) { |
110 | 0 | /* First, build the MVMNativeCallback */ |
111 | 0 | MVMCallsite *cs; |
112 | 0 | char *signature; |
113 | 0 | MVMObject *typehash; |
114 | 0 | MVMint64 num_info, i; |
115 | 0 | MVMNativeCallback *callback_data; |
116 | 0 |
|
117 | 0 | num_info = MVM_repr_elems(tc, sig_info); |
118 | 0 | callback_data = MVM_malloc(sizeof(MVMNativeCallback)); |
119 | 0 | callback_data->num_types = num_info; |
120 | 0 | callback_data->typeinfos = MVM_malloc(num_info * sizeof(MVMint16)); |
121 | 0 | callback_data->types = MVM_malloc(num_info * sizeof(MVMObject *)); |
122 | 0 | callback_data->next = NULL; |
123 | 0 |
|
124 | 0 | /* A dyncall signature looks like this: xxx)x |
125 | 0 | * Argument types before the ) and return type after it. Thus, |
126 | 0 | * num_info+1 must be NULL (zero-terminated string) and num_info-1 |
127 | 0 | * must be the ). |
128 | 0 | */ |
129 | 0 | signature = MVM_malloc(num_info + 2); |
130 | 0 | signature[num_info + 1] = '\0'; |
131 | 0 | signature[num_info - 1] = ')'; |
132 | 0 |
|
133 | 0 | /* We'll also build up a MoarVM callsite as we go. */ |
134 | 0 | cs = MVM_calloc(1, sizeof(MVMCallsite)); |
135 | 0 | cs->flag_count = num_info - 1; |
136 | 0 | cs->arg_flags = MVM_malloc(cs->flag_count * sizeof(MVMCallsiteEntry)); |
137 | 0 | cs->arg_count = num_info - 1; |
138 | 0 | cs->num_pos = num_info - 1; |
139 | 0 | cs->has_flattening = 0; |
140 | 0 | cs->is_interned = 0; |
141 | 0 | cs->with_invocant = NULL; |
142 | 0 |
|
143 | 0 | typehash = MVM_repr_at_pos_o(tc, sig_info, 0); |
144 | 0 | callback_data->types[0] = MVM_repr_at_key_o(tc, typehash, |
145 | 0 | tc->instance->str_consts.typeobj); |
146 | 0 | callback_data->typeinfos[0] = MVM_nativecall_get_arg_type(tc, typehash, 1); |
147 | 0 | signature[num_info] = get_signature_char(callback_data->typeinfos[0]); |
148 | 0 | for (i = 1; i < num_info; i++) { |
149 | 0 | typehash = MVM_repr_at_pos_o(tc, sig_info, i); |
150 | 0 | callback_data->types[i] = MVM_repr_at_key_o(tc, typehash, |
151 | 0 | tc->instance->str_consts.typeobj); |
152 | 0 | callback_data->typeinfos[i] = MVM_nativecall_get_arg_type(tc, typehash, 0) & ~MVM_NATIVECALL_ARG_FREE_STR; |
153 | 0 | signature[i - 1] = get_signature_char(callback_data->typeinfos[i]); |
154 | 0 | switch (callback_data->typeinfos[i] & MVM_NATIVECALL_ARG_TYPE_MASK) { |
155 | 0 | case MVM_NATIVECALL_ARG_CHAR: |
156 | 0 | case MVM_NATIVECALL_ARG_SHORT: |
157 | 0 | case MVM_NATIVECALL_ARG_INT: |
158 | 0 | case MVM_NATIVECALL_ARG_LONG: |
159 | 0 | case MVM_NATIVECALL_ARG_LONGLONG: |
160 | 0 | cs->arg_flags[i - 1] = MVM_CALLSITE_ARG_INT; |
161 | 0 | break; |
162 | 0 | case MVM_NATIVECALL_ARG_UCHAR: |
163 | 0 | case MVM_NATIVECALL_ARG_USHORT: |
164 | 0 | case MVM_NATIVECALL_ARG_UINT: |
165 | 0 | case MVM_NATIVECALL_ARG_ULONG: |
166 | 0 | case MVM_NATIVECALL_ARG_ULONGLONG: |
167 | 0 | /* TODO: should probably be UINT, when we can support that. */ |
168 | 0 | cs->arg_flags[i - 1] = MVM_CALLSITE_ARG_INT; |
169 | 0 | break; |
170 | 0 | case MVM_NATIVECALL_ARG_FLOAT: |
171 | 0 | case MVM_NATIVECALL_ARG_DOUBLE: |
172 | 0 | cs->arg_flags[i - 1] = MVM_CALLSITE_ARG_NUM; |
173 | 0 | break; |
174 | 0 | default: |
175 | 0 | cs->arg_flags[i - 1] = MVM_CALLSITE_ARG_OBJ; |
176 | 0 | break; |
177 | 0 | } |
178 | 0 | } |
179 | 0 |
|
180 | 0 | MVM_callsite_try_intern(tc, &cs); |
181 | 0 |
|
182 | 0 | callback_data->tc = tc; |
183 | 0 | callback_data->cs = cs; |
184 | 0 | callback_data->target = callback; |
185 | 0 | callback_data->cb = dcbNewCallback(signature, (DCCallbackHandler *)callback_handler, callback_data); |
186 | 0 |
|
187 | 0 | /* Now insert the MVMCallback into the linked list. */ |
188 | 0 | *callback_data_handle = callback_data; |
189 | 0 | MVM_free(signature); |
190 | 0 | } |
191 | 0 |
|
192 | 0 | return (*callback_data_handle)->cb; |
193 | 0 | } |
194 | | |
195 | | /* Called to handle a callback. */ |
196 | | typedef struct { |
197 | | MVMObject *invokee; |
198 | | MVMRegister *args; |
199 | | MVMCallsite *cs; |
200 | | } CallbackInvokeData; |
201 | 0 | static void callback_invoke(MVMThreadContext *tc, void *data) { |
202 | 0 | /* Invoke the coderef, to set up the nested interpreter. */ |
203 | 0 | CallbackInvokeData *cid = (CallbackInvokeData *)data; |
204 | 0 | STABLE(cid->invokee)->invoke(tc, cid->invokee, cid->cs, cid->args); |
205 | 0 |
|
206 | 0 | /* Ensure we exit interp after callback. */ |
207 | 0 | tc->thread_entry_frame = tc->cur_frame; |
208 | 0 | } |
209 | 0 | static char callback_handler(DCCallback *cb, DCArgs *cb_args, DCValue *cb_result, MVMNativeCallback *data) { |
210 | 0 | CallbackInvokeData cid; |
211 | 0 | MVMint32 num_roots, i; |
212 | 0 | MVMRegister res; |
213 | 0 | MVMRegister *args; |
214 | 0 |
|
215 | 0 | /* Unblock GC if needed, so this thread can do work. */ |
216 | 0 | MVMThreadContext *tc = data->tc; |
217 | 0 | MVMint32 was_blocked = MVM_gc_is_thread_blocked(tc); |
218 | 0 | if (was_blocked) |
219 | 0 | MVM_gc_mark_thread_unblocked(tc); |
220 | 0 |
|
221 | 0 | /* Build a callsite and arguments buffer. */ |
222 | 0 | args = MVM_malloc(data->num_types * sizeof(MVMRegister)); |
223 | 0 | num_roots = 0; |
224 | 0 | for (i = 1; i < data->num_types; i++) { |
225 | 0 | MVMObject *type = data->types[i]; |
226 | 0 | MVMint16 typeinfo = data->typeinfos[i]; |
227 | 0 | switch (typeinfo & MVM_NATIVECALL_ARG_TYPE_MASK) { |
228 | 0 | case MVM_NATIVECALL_ARG_CHAR: |
229 | 0 | args[i - 1].i64 = dcbArgChar(cb_args); |
230 | 0 | break; |
231 | 0 | case MVM_NATIVECALL_ARG_SHORT: |
232 | 0 | args[i - 1].i64 = dcbArgShort(cb_args); |
233 | 0 | break; |
234 | 0 | case MVM_NATIVECALL_ARG_INT: |
235 | 0 | args[i - 1].i64 = dcbArgInt(cb_args); |
236 | 0 | break; |
237 | 0 | case MVM_NATIVECALL_ARG_LONG: |
238 | 0 | args[i - 1].i64 = dcbArgLong(cb_args); |
239 | 0 | break; |
240 | 0 | case MVM_NATIVECALL_ARG_LONGLONG: |
241 | 0 | args[i - 1].i64 = dcbArgLongLong(cb_args); |
242 | 0 | break; |
243 | 0 | case MVM_NATIVECALL_ARG_FLOAT: |
244 | 0 | args[i - 1].n64 = dcbArgFloat(cb_args); |
245 | 0 | break; |
246 | 0 | case MVM_NATIVECALL_ARG_DOUBLE: |
247 | 0 | args[i - 1].n64 = dcbArgDouble(cb_args); |
248 | 0 | break; |
249 | 0 | case MVM_NATIVECALL_ARG_ASCIISTR: |
250 | 0 | case MVM_NATIVECALL_ARG_UTF8STR: |
251 | 0 | case MVM_NATIVECALL_ARG_UTF16STR: |
252 | 0 | args[i - 1].o = MVM_nativecall_make_str(tc, type, typeinfo, |
253 | 0 | (char *)dcbArgPointer(cb_args)); |
254 | 0 | MVM_gc_root_temp_push(tc, (MVMCollectable **)&(args[i - 1].o)); |
255 | 0 | num_roots++; |
256 | 0 | break; |
257 | 0 | case MVM_NATIVECALL_ARG_CSTRUCT: |
258 | 0 | args[i - 1].o = MVM_nativecall_make_cstruct(tc, type, |
259 | 0 | dcbArgPointer(cb_args)); |
260 | 0 | MVM_gc_root_temp_push(tc, (MVMCollectable **)&(args[i - 1].o)); |
261 | 0 | num_roots++; |
262 | 0 | break; |
263 | 0 | case MVM_NATIVECALL_ARG_CPOINTER: |
264 | 0 | args[i - 1].o = MVM_nativecall_make_cpointer(tc, type, |
265 | 0 | dcbArgPointer(cb_args)); |
266 | 0 | MVM_gc_root_temp_push(tc, (MVMCollectable **)&(args[i - 1].o)); |
267 | 0 | num_roots++; |
268 | 0 | break; |
269 | 0 | case MVM_NATIVECALL_ARG_CARRAY: |
270 | 0 | args[i - 1].o = MVM_nativecall_make_carray(tc, type, |
271 | 0 | dcbArgPointer(cb_args)); |
272 | 0 | MVM_gc_root_temp_push(tc, (MVMCollectable **)&(args[i - 1].o)); |
273 | 0 | num_roots++; |
274 | 0 | break; |
275 | 0 | case MVM_NATIVECALL_ARG_CUNION: |
276 | 0 | args[i - 1].o = MVM_nativecall_make_cunion(tc, type, |
277 | 0 | dcbArgPointer(cb_args)); |
278 | 0 | MVM_gc_root_temp_push(tc, (MVMCollectable **)&(args[i - 1].o)); |
279 | 0 | num_roots++; |
280 | 0 | break; |
281 | 0 | case MVM_NATIVECALL_ARG_CALLBACK: |
282 | 0 | /* TODO: A callback -return- value means that we have a C method |
283 | 0 | * that needs to be wrapped similarly to a is native(...) Perl 6 |
284 | 0 | * sub. */ |
285 | 0 | dcbArgPointer(cb_args); |
286 | 0 | args[i - 1].o = type; |
287 | 0 | MVM_gc_root_temp_push(tc, (MVMCollectable **)&(args[i - 1].o)); |
288 | 0 | num_roots++; |
289 | 0 | break; |
290 | 0 | case MVM_NATIVECALL_ARG_UCHAR: |
291 | 0 | args[i - 1].i64 = dcbArgUChar(cb_args); |
292 | 0 | break; |
293 | 0 | case MVM_NATIVECALL_ARG_USHORT: |
294 | 0 | args[i - 1].i64 = dcbArgUShort(cb_args); |
295 | 0 | break; |
296 | 0 | case MVM_NATIVECALL_ARG_UINT: |
297 | 0 | args[i - 1].i64 = dcbArgUInt(cb_args); |
298 | 0 | break; |
299 | 0 | case MVM_NATIVECALL_ARG_ULONG: |
300 | 0 | args[i - 1].i64 = dcbArgULong(cb_args); |
301 | 0 | break; |
302 | 0 | case MVM_NATIVECALL_ARG_ULONGLONG: |
303 | 0 | args[i - 1].i64 = dcbArgULongLong(cb_args); |
304 | 0 | break; |
305 | 0 | default: |
306 | 0 | MVM_exception_throw_adhoc(tc, |
307 | 0 | "Internal error: unhandled dyncall callback argument type"); |
308 | 0 | } |
309 | 0 | } |
310 | 0 |
|
311 | 0 | /* Call into a nested interpreter (since we already are in one). Need to |
312 | 0 | * save a bunch of state around each side of this. */ |
313 | 0 | cid.invokee = data->target; |
314 | 0 | cid.args = args; |
315 | 0 | cid.cs = data->cs; |
316 | 0 | { |
317 | 0 | MVMuint8 **backup_interp_cur_op = tc->interp_cur_op; |
318 | 0 | MVMuint8 **backup_interp_bytecode_start = tc->interp_bytecode_start; |
319 | 0 | MVMRegister **backup_interp_reg_base = tc->interp_reg_base; |
320 | 0 | MVMCompUnit **backup_interp_cu = tc->interp_cu; |
321 | 0 | MVMFrame *backup_cur_frame = MVM_frame_force_to_heap(tc, tc->cur_frame); |
322 | 0 | MVMFrame *backup_thread_entry_frame = tc->thread_entry_frame; |
323 | 0 | MVMROOT(tc, backup_cur_frame, { |
324 | 0 | MVMROOT(tc, backup_thread_entry_frame, { |
325 | 0 | MVMuint32 backup_mark = MVM_gc_root_temp_mark(tc); |
326 | 0 | jmp_buf backup_interp_jump; |
327 | 0 | memcpy(backup_interp_jump, tc->interp_jump, sizeof(jmp_buf)); |
328 | 0 |
|
329 | 0 | tc->cur_frame->return_value = &res; |
330 | 0 | tc->cur_frame->return_type = MVM_RETURN_OBJ; |
331 | 0 | MVM_interp_run(tc, callback_invoke, &cid); |
332 | 0 |
|
333 | 0 | tc->interp_cur_op = backup_interp_cur_op; |
334 | 0 | tc->interp_bytecode_start = backup_interp_bytecode_start; |
335 | 0 | tc->interp_reg_base = backup_interp_reg_base; |
336 | 0 | tc->interp_cu = backup_interp_cu; |
337 | 0 | tc->cur_frame = backup_cur_frame; |
338 | 0 | tc->current_frame_nr = backup_cur_frame->sequence_nr; |
339 | 0 | tc->thread_entry_frame = backup_thread_entry_frame; |
340 | 0 | memcpy(tc->interp_jump, backup_interp_jump, sizeof(jmp_buf)); |
341 | 0 | MVM_gc_root_temp_mark_reset(tc, backup_mark); |
342 | 0 | }); |
343 | 0 | }); |
344 | 0 | } |
345 | 0 |
|
346 | 0 | /* Handle return value. */ |
347 | 0 | if (res.o) { |
348 | 0 | MVMContainerSpec const *contspec = STABLE(res.o)->container_spec; |
349 | 0 | if (contspec && contspec->fetch_never_invokes) |
350 | 0 | contspec->fetch(data->tc, res.o, &res); |
351 | 0 | } |
352 | 0 | switch (data->typeinfos[0] & MVM_NATIVECALL_ARG_TYPE_MASK) { |
353 | 0 | case MVM_NATIVECALL_ARG_VOID: |
354 | 0 | break; |
355 | 0 | case MVM_NATIVECALL_ARG_CHAR: |
356 | 0 | cb_result->c = (signed char)MVM_nativecall_unmarshal_char(data->tc, res.o); |
357 | 0 | break; |
358 | 0 | case MVM_NATIVECALL_ARG_SHORT: |
359 | 0 | cb_result->s = MVM_nativecall_unmarshal_short(data->tc, res.o); |
360 | 0 | break; |
361 | 0 | case MVM_NATIVECALL_ARG_INT: |
362 | 0 | cb_result->i = MVM_nativecall_unmarshal_int(data->tc, res.o); |
363 | 0 | break; |
364 | 0 | case MVM_NATIVECALL_ARG_LONG: |
365 | 0 | cb_result->j = MVM_nativecall_unmarshal_long(data->tc, res.o); |
366 | 0 | break; |
367 | 0 | case MVM_NATIVECALL_ARG_LONGLONG: |
368 | 0 | cb_result->l = MVM_nativecall_unmarshal_longlong(data->tc, res.o); |
369 | 0 | break; |
370 | 0 | case MVM_NATIVECALL_ARG_FLOAT: |
371 | 0 | cb_result->f = MVM_nativecall_unmarshal_float(data->tc, res.o); |
372 | 0 | break; |
373 | 0 | case MVM_NATIVECALL_ARG_DOUBLE: |
374 | 0 | cb_result->d = MVM_nativecall_unmarshal_double(data->tc, res.o); |
375 | 0 | break; |
376 | 0 | case MVM_NATIVECALL_ARG_ASCIISTR: |
377 | 0 | case MVM_NATIVECALL_ARG_UTF8STR: |
378 | 0 | case MVM_NATIVECALL_ARG_UTF16STR: |
379 | 0 | cb_result->Z = MVM_nativecall_unmarshal_string(data->tc, res.o, data->typeinfos[0], NULL); |
380 | 0 | break; |
381 | 0 | case MVM_NATIVECALL_ARG_CSTRUCT: |
382 | 0 | cb_result->p = MVM_nativecall_unmarshal_cstruct(data->tc, res.o); |
383 | 0 | break; |
384 | 0 | case MVM_NATIVECALL_ARG_CPOINTER: |
385 | 0 | cb_result->p = MVM_nativecall_unmarshal_cpointer(data->tc, res.o); |
386 | 0 | break; |
387 | 0 | case MVM_NATIVECALL_ARG_CARRAY: |
388 | 0 | cb_result->p = MVM_nativecall_unmarshal_carray(data->tc, res.o); |
389 | 0 | break; |
390 | 0 | case MVM_NATIVECALL_ARG_CUNION: |
391 | 0 | cb_result->p = MVM_nativecall_unmarshal_cunion(data->tc, res.o); |
392 | 0 | break; |
393 | 0 | case MVM_NATIVECALL_ARG_VMARRAY: |
394 | 0 | cb_result->p = MVM_nativecall_unmarshal_vmarray(data->tc, res.o); |
395 | 0 | break; |
396 | 0 | case MVM_NATIVECALL_ARG_CALLBACK: |
397 | 0 | cb_result->p = unmarshal_callback(data->tc, res.o, data->types[0]); |
398 | 0 | break; |
399 | 0 | case MVM_NATIVECALL_ARG_UCHAR: |
400 | 0 | cb_result->c = MVM_nativecall_unmarshal_uchar(data->tc, res.o); |
401 | 0 | break; |
402 | 0 | case MVM_NATIVECALL_ARG_USHORT: |
403 | 0 | cb_result->s = MVM_nativecall_unmarshal_ushort(data->tc, res.o); |
404 | 0 | break; |
405 | 0 | case MVM_NATIVECALL_ARG_UINT: |
406 | 0 | cb_result->i = MVM_nativecall_unmarshal_uint(data->tc, res.o); |
407 | 0 | break; |
408 | 0 | case MVM_NATIVECALL_ARG_ULONG: |
409 | 0 | cb_result->j = MVM_nativecall_unmarshal_ulong(data->tc, res.o); |
410 | 0 | break; |
411 | 0 | case MVM_NATIVECALL_ARG_ULONGLONG: |
412 | 0 | cb_result->l = MVM_nativecall_unmarshal_ulonglong(data->tc, res.o); |
413 | 0 | break; |
414 | 0 | default: |
415 | 0 | MVM_exception_throw_adhoc(data->tc, |
416 | 0 | "Internal error: unhandled dyncall callback return type"); |
417 | 0 | } |
418 | 0 |
|
419 | 0 | /* Clean up. */ |
420 | 0 | MVM_gc_root_temp_pop_n(tc, num_roots); |
421 | 0 | MVM_free(args); |
422 | 0 |
|
423 | 0 | /* Re-block GC if needed, so other threads will be able to collect. */ |
424 | 0 | if (was_blocked) |
425 | 0 | MVM_gc_mark_thread_blocked(tc); |
426 | 0 |
|
427 | 0 | /* Indicate what we're producing as a result. */ |
428 | 0 | return get_signature_char(data->typeinfos[0]); |
429 | 0 | } |
430 | | |
431 | 0 | #define handle_arg(what, cont_X, dc_type, reg_slot, dc_fun, unmarshal_fun) do { \ |
432 | 0 | MVMRegister r; \ |
433 | 0 | if ((arg_types[i] & MVM_NATIVECALL_ARG_RW_MASK) == MVM_NATIVECALL_ARG_RW) { \ |
434 | 0 | if (MVM_6model_container_is ## cont_X(tc, value)) { \ |
435 | 0 | dc_type *rw = (dc_type *)MVM_malloc(sizeof(dc_type)); \ |
436 | 0 | MVM_6model_container_de ## cont_X(tc, value, &r); \ |
437 | 0 | *rw = (dc_type)r. reg_slot ; \ |
438 | 0 | if (!free_rws) \ |
439 | 0 | free_rws = (void **)MVM_malloc(num_args * sizeof(void *)); \ |
440 | 0 | free_rws[num_rws] = rw; \ |
441 | 0 | num_rws++; \ |
442 | 0 | dcArgPointer(vm, rw); \ |
443 | 0 | } \ |
444 | 0 | else \ |
445 | 0 | MVM_exception_throw_adhoc(tc, \ |
446 | 0 | "Native call expected argument that references a native %s, but got %s", \ |
447 | 0 | what, REPR(value)->name); \ |
448 | 0 | } \ |
449 | 0 | else { \ |
450 | 0 | if (value && IS_CONCRETE(value) && STABLE(value)->container_spec) { \ |
451 | 0 | STABLE(value)->container_spec->fetch(tc, value, &r); \ |
452 | 0 | dc_fun(vm, unmarshal_fun(tc, r.o)); \ |
453 | 0 | } \ |
454 | 0 | else { \ |
455 | 0 | dc_fun(vm, unmarshal_fun(tc, value)); \ |
456 | 0 | } \ |
457 | 0 | } \ |
458 | 0 | } while (0) |
459 | | |
460 | | MVMObject * MVM_nativecall_invoke(MVMThreadContext *tc, MVMObject *res_type, |
461 | 3 | MVMObject *site, MVMObject *args) { |
462 | 3 | MVMObject *result = NULL; |
463 | 3 | char **free_strs = NULL; |
464 | 3 | void **free_rws = NULL; |
465 | 3 | MVMint16 num_strs = 0; |
466 | 3 | MVMint16 num_rws = 0; |
467 | 3 | MVMint16 i; |
468 | 3 | |
469 | 3 | /* Get native call body, so we can locate the call info. Read out all we |
470 | 3 | * shall need, since later we may allocate a result and and move it. */ |
471 | 3 | MVMNativeCallBody *body = MVM_nativecall_get_nc_body(tc, site); |
472 | 3 | MVMint16 num_args = body->num_args; |
473 | 3 | MVMint16 *arg_types = body->arg_types; |
474 | 3 | MVMint16 ret_type = body->ret_type; |
475 | 3 | void *entry_point = body->entry_point; |
476 | 3 | void *ptr = NULL; |
477 | 3 | |
478 | 3 | /* Create and set up call VM. */ |
479 | 3 | DCCallVM *vm = dcNewCallVM(8192); |
480 | 3 | dcMode(vm, body->convention); |
481 | 3 | dcReset(vm); |
482 | 3 | |
483 | 3 | /* Process arguments. */ |
484 | 6 | for (i = 0; i < num_args; i++) { |
485 | 3 | MVMObject *value = MVM_repr_at_pos_o(tc, args, i); |
486 | 3 | switch (arg_types[i] & MVM_NATIVECALL_ARG_TYPE_MASK) { |
487 | 0 | case MVM_NATIVECALL_ARG_CHAR: |
488 | 0 | handle_arg("integer", cont_i, DCchar, i64, dcArgChar, MVM_nativecall_unmarshal_char); |
489 | 0 | break; |
490 | 0 | case MVM_NATIVECALL_ARG_SHORT: |
491 | 0 | handle_arg("integer", cont_i, DCshort, i64, dcArgShort, MVM_nativecall_unmarshal_short); |
492 | 0 | break; |
493 | 0 | case MVM_NATIVECALL_ARG_INT: |
494 | 0 | handle_arg("integer", cont_i, DCint, i64, dcArgInt, MVM_nativecall_unmarshal_int); |
495 | 0 | break; |
496 | 0 | case MVM_NATIVECALL_ARG_LONG: |
497 | 0 | handle_arg("integer", cont_i, DClong, i64, dcArgLong, MVM_nativecall_unmarshal_long); |
498 | 0 | break; |
499 | 0 | case MVM_NATIVECALL_ARG_LONGLONG: |
500 | 0 | handle_arg("integer", cont_i, DClonglong, i64, dcArgLongLong, MVM_nativecall_unmarshal_longlong); |
501 | 0 | break; |
502 | 0 | case MVM_NATIVECALL_ARG_FLOAT: |
503 | 0 | handle_arg("number", cont_n, DCfloat, n64, dcArgFloat, MVM_nativecall_unmarshal_float); |
504 | 0 | break; |
505 | 0 | case MVM_NATIVECALL_ARG_DOUBLE: |
506 | 0 | handle_arg("number", cont_n, DCdouble, n64, dcArgDouble, MVM_nativecall_unmarshal_double); |
507 | 0 | break; |
508 | 2 | case MVM_NATIVECALL_ARG_ASCIISTR: |
509 | 2 | case MVM_NATIVECALL_ARG_UTF8STR: |
510 | 2 | case MVM_NATIVECALL_ARG_UTF16STR: |
511 | 2 | { |
512 | 2 | MVMint16 free = 0; |
513 | 2 | char *str = MVM_nativecall_unmarshal_string(tc, value, arg_types[i], &free); |
514 | 2 | if (free) { |
515 | 2 | if (!free_strs) |
516 | 2 | free_strs = (char**)MVM_malloc(num_args * sizeof(char *)); |
517 | 2 | free_strs[num_strs] = str; |
518 | 2 | num_strs++; |
519 | 2 | } |
520 | 2 | dcArgPointer(vm, str); |
521 | 2 | } |
522 | 2 | break; |
523 | 0 | case MVM_NATIVECALL_ARG_CSTRUCT: |
524 | 0 | dcArgPointer(vm, MVM_nativecall_unmarshal_cstruct(tc, value)); |
525 | 0 | break; |
526 | 0 | case MVM_NATIVECALL_ARG_CPPSTRUCT: { |
527 | 0 | /* We need to allocate the struct (THIS) for C++ constructor before passing it along. */ |
528 | 0 | if (i == 0 && !IS_CONCRETE(value)) { |
529 | 0 | MVMCPPStructREPRData *repr_data = (MVMCPPStructREPRData *)STABLE(res_type)->REPR_data; |
530 | 0 | /* Allocate a full byte aligned area where the C++ structure fits into. */ |
531 | 0 | ptr = MVM_malloc(repr_data->struct_size > 0 ? repr_data->struct_size : 1); |
532 | 0 | result = MVM_nativecall_make_cppstruct(tc, res_type, ptr); |
533 | 0 |
|
534 | 0 | dcArgPointer(vm, ptr); |
535 | 0 | } |
536 | 0 | else { |
537 | 0 | dcArgPointer(vm, MVM_nativecall_unmarshal_cppstruct(tc, value)); |
538 | 0 | } |
539 | 0 | } |
540 | 0 | break; |
541 | 1 | case MVM_NATIVECALL_ARG_CPOINTER: |
542 | 1 | if ((arg_types[i] & MVM_NATIVECALL_ARG_RW_MASK) == MVM_NATIVECALL_ARG_RW) { |
543 | 0 | DCpointer *rw = (DCpointer *)MVM_malloc(sizeof(DCpointer *)); |
544 | 0 | *rw = (DCpointer)MVM_nativecall_unmarshal_cpointer(tc, value); |
545 | 0 | if (!free_rws) |
546 | 0 | free_rws = (void **)MVM_malloc(num_args * sizeof(void *)); |
547 | 0 | free_rws[num_rws] = rw; |
548 | 0 | num_rws++; |
549 | 0 | dcArgPointer(vm, rw); |
550 | 0 | } |
551 | 1 | else { |
552 | 1 | dcArgPointer(vm, MVM_nativecall_unmarshal_cpointer(tc, value)); |
553 | 1 | } |
554 | 1 | break; |
555 | 0 | case MVM_NATIVECALL_ARG_CARRAY: |
556 | 0 | dcArgPointer(vm, MVM_nativecall_unmarshal_carray(tc, value)); |
557 | 0 | break; |
558 | 0 | case MVM_NATIVECALL_ARG_CUNION: |
559 | 0 | dcArgPointer(vm, MVM_nativecall_unmarshal_cunion(tc, value)); |
560 | 0 | break; |
561 | 0 | case MVM_NATIVECALL_ARG_VMARRAY: |
562 | 0 | dcArgPointer(vm, MVM_nativecall_unmarshal_vmarray(tc, value)); |
563 | 0 | break; |
564 | 0 | case MVM_NATIVECALL_ARG_CALLBACK: |
565 | 0 | dcArgPointer(vm, unmarshal_callback(tc, value, body->arg_info[i])); |
566 | 0 | break; |
567 | 0 | case MVM_NATIVECALL_ARG_UCHAR: |
568 | 0 | handle_arg("integer", cont_i, DCuchar, i64, dcArgChar, MVM_nativecall_unmarshal_uchar); |
569 | 0 | break; |
570 | 0 | case MVM_NATIVECALL_ARG_USHORT: |
571 | 0 | handle_arg("integer", cont_i, DCushort, i64, dcArgShort, MVM_nativecall_unmarshal_ushort); |
572 | 0 | break; |
573 | 0 | case MVM_NATIVECALL_ARG_UINT: |
574 | 0 | handle_arg("integer", cont_i, DCuint, i64, dcArgInt, MVM_nativecall_unmarshal_uint); |
575 | 0 | break; |
576 | 0 | case MVM_NATIVECALL_ARG_ULONG: |
577 | 0 | handle_arg("integer", cont_i, DCulong, i64, dcArgLong, MVM_nativecall_unmarshal_ulong); |
578 | 0 | break; |
579 | 0 | case MVM_NATIVECALL_ARG_ULONGLONG: |
580 | 0 | handle_arg("integer", cont_i, DCulonglong, i64, dcArgLongLong, MVM_nativecall_unmarshal_ulonglong); |
581 | 0 | break; |
582 | 0 | default: |
583 | 0 | MVM_exception_throw_adhoc(tc, "Internal error: unhandled dyncall argument type"); |
584 | 3 | } |
585 | 3 | } |
586 | 3 | |
587 | 3 | MVMROOT(tc, args, { |
588 | 3 | MVMROOT(tc, res_type, { |
589 | 3 | MVM_gc_mark_thread_blocked(tc); |
590 | 3 | if (result) { |
591 | 3 | /* We are calling a C++ constructor so we hand back the invocant (THIS) we recorded earlier. */ |
592 | 3 | dcCallVoid(vm, body->entry_point); |
593 | 3 | MVM_gc_mark_thread_unblocked(tc); |
594 | 3 | } |
595 | 3 | else { |
596 | 3 | /* Call and process return values. */ |
597 | 3 | switch (ret_type & MVM_NATIVECALL_ARG_TYPE_MASK) { |
598 | 3 | case MVM_NATIVECALL_ARG_VOID: |
599 | 3 | dcCallVoid(vm, entry_point); |
600 | 3 | MVM_gc_mark_thread_unblocked(tc); |
601 | 3 | result = res_type; |
602 | 3 | break; |
603 | 3 | case MVM_NATIVECALL_ARG_CHAR: { |
604 | 3 | MVMint64 native_result = (signed char)dcCallChar(vm, entry_point); |
605 | 3 | MVM_gc_mark_thread_unblocked(tc); |
606 | 3 | result = MVM_nativecall_make_int(tc, res_type, native_result); |
607 | 3 | break; |
608 | 3 | } |
609 | 3 | case MVM_NATIVECALL_ARG_SHORT: { |
610 | 3 | MVMint64 native_result = dcCallShort(vm, entry_point); |
611 | 3 | MVM_gc_mark_thread_unblocked(tc); |
612 | 3 | result = MVM_nativecall_make_int(tc, res_type, native_result); |
613 | 3 | break; |
614 | 3 | } |
615 | 3 | case MVM_NATIVECALL_ARG_INT: { |
616 | 3 | MVMint64 native_result = dcCallInt(vm, entry_point); |
617 | 3 | MVM_gc_mark_thread_unblocked(tc); |
618 | 3 | result = MVM_nativecall_make_int(tc, res_type, native_result); |
619 | 3 | break; |
620 | 3 | } |
621 | 3 | case MVM_NATIVECALL_ARG_LONG: { |
622 | 3 | MVMint64 native_result = dcCallLong(vm, entry_point); |
623 | 3 | MVM_gc_mark_thread_unblocked(tc); |
624 | 3 | result = MVM_nativecall_make_int(tc, res_type, native_result); |
625 | 3 | break; |
626 | 3 | } |
627 | 3 | case MVM_NATIVECALL_ARG_LONGLONG: { |
628 | 3 | MVMint64 native_result = dcCallLongLong(vm, entry_point); |
629 | 3 | MVM_gc_mark_thread_unblocked(tc); |
630 | 3 | result = MVM_nativecall_make_int(tc, res_type, native_result); |
631 | 3 | break; |
632 | 3 | } |
633 | 3 | case MVM_NATIVECALL_ARG_FLOAT: { |
634 | 3 | MVMnum64 native_result = dcCallFloat(vm, entry_point); |
635 | 3 | MVM_gc_mark_thread_unblocked(tc); |
636 | 3 | result = MVM_nativecall_make_num(tc, res_type, native_result); |
637 | 3 | break; |
638 | 3 | } |
639 | 3 | case MVM_NATIVECALL_ARG_DOUBLE: { |
640 | 3 | MVMnum64 native_result = dcCallDouble(vm, entry_point); |
641 | 3 | MVM_gc_mark_thread_unblocked(tc); |
642 | 3 | result = MVM_nativecall_make_num(tc, res_type, native_result); |
643 | 3 | break; |
644 | 3 | } |
645 | 3 | case MVM_NATIVECALL_ARG_ASCIISTR: |
646 | 3 | case MVM_NATIVECALL_ARG_UTF8STR: |
647 | 3 | case MVM_NATIVECALL_ARG_UTF16STR: { |
648 | 3 | char *native_result = (char *)dcCallPointer(vm, entry_point); |
649 | 3 | MVM_gc_mark_thread_unblocked(tc); |
650 | 3 | result = MVM_nativecall_make_str(tc, res_type, body->ret_type, |
651 | 3 | native_result); |
652 | 3 | break; |
653 | 3 | } |
654 | 3 | case MVM_NATIVECALL_ARG_CSTRUCT: { |
655 | 3 | void *native_result = dcCallPointer(vm, body->entry_point); |
656 | 3 | MVM_gc_mark_thread_unblocked(tc); |
657 | 3 | result = MVM_nativecall_make_cstruct(tc, res_type, native_result); |
658 | 3 | break; |
659 | 3 | } |
660 | 3 | case MVM_NATIVECALL_ARG_CPPSTRUCT: { |
661 | 3 | void *native_result = dcCallPointer(vm, body->entry_point); |
662 | 3 | MVM_gc_mark_thread_unblocked(tc); |
663 | 3 | result = MVM_nativecall_make_cppstruct(tc, res_type, native_result); |
664 | 3 | break; |
665 | 3 | } |
666 | 3 | case MVM_NATIVECALL_ARG_CPOINTER: { |
667 | 3 | void *native_result = dcCallPointer(vm, body->entry_point); |
668 | 3 | MVM_gc_mark_thread_unblocked(tc); |
669 | 3 | result = MVM_nativecall_make_cpointer(tc, res_type, native_result); |
670 | 3 | break; |
671 | 3 | } |
672 | 3 | case MVM_NATIVECALL_ARG_CARRAY: { |
673 | 3 | void *native_result = dcCallPointer(vm, body->entry_point); |
674 | 3 | MVM_gc_mark_thread_unblocked(tc); |
675 | 3 | result = MVM_nativecall_make_carray(tc, res_type, native_result); |
676 | 3 | break; |
677 | 3 | } |
678 | 3 | case MVM_NATIVECALL_ARG_CUNION: { |
679 | 3 | void *native_result = dcCallPointer(vm, body->entry_point); |
680 | 3 | MVM_gc_mark_thread_unblocked(tc); |
681 | 3 | result = MVM_nativecall_make_cunion(tc, res_type, native_result); |
682 | 3 | break; |
683 | 3 | } |
684 | 3 | case MVM_NATIVECALL_ARG_CALLBACK: |
685 | 3 | /* TODO: A callback -return- value means that we have a C method |
686 | 3 | * that needs to be wrapped similarly to a is native(...) Perl 6 |
687 | 3 | * sub. */ |
688 | 3 | dcCallPointer(vm, body->entry_point); |
689 | 3 | MVM_gc_mark_thread_unblocked(tc); |
690 | 3 | result = res_type; |
691 | 3 | break; |
692 | 3 | case MVM_NATIVECALL_ARG_UCHAR: { |
693 | 3 | MVMuint64 native_result = (DCuchar)dcCallChar(vm, entry_point); |
694 | 3 | MVM_gc_mark_thread_unblocked(tc); |
695 | 3 | result = MVM_nativecall_make_uint(tc, res_type, native_result); |
696 | 3 | break; |
697 | 3 | } |
698 | 3 | case MVM_NATIVECALL_ARG_USHORT: { |
699 | 3 | MVMuint64 native_result = (DCushort)dcCallShort(vm, entry_point); |
700 | 3 | MVM_gc_mark_thread_unblocked(tc); |
701 | 3 | result = MVM_nativecall_make_uint(tc, res_type, native_result); |
702 | 3 | break; |
703 | 3 | } |
704 | 3 | case MVM_NATIVECALL_ARG_UINT: { |
705 | 3 | MVMuint64 native_result = (DCuint)dcCallInt(vm, entry_point); |
706 | 3 | MVM_gc_mark_thread_unblocked(tc); |
707 | 3 | result = MVM_nativecall_make_uint(tc, res_type, native_result); |
708 | 3 | break; |
709 | 3 | } |
710 | 3 | case MVM_NATIVECALL_ARG_ULONG: { |
711 | 3 | MVMuint64 native_result = (DCulong)dcCallLong(vm, entry_point); |
712 | 3 | MVM_gc_mark_thread_unblocked(tc); |
713 | 3 | result = MVM_nativecall_make_uint(tc, res_type, native_result); |
714 | 3 | break; |
715 | 3 | } |
716 | 3 | case MVM_NATIVECALL_ARG_ULONGLONG: { |
717 | 3 | MVMuint64 native_result = (DCulonglong)dcCallLongLong(vm, entry_point); |
718 | 3 | MVM_gc_mark_thread_unblocked(tc); |
719 | 3 | result = MVM_nativecall_make_uint(tc, res_type, native_result); |
720 | 3 | break; |
721 | 3 | } |
722 | 3 | default: |
723 | 3 | MVM_exception_throw_adhoc(tc, "Internal error: unhandled dyncall return type"); |
724 | 3 | } |
725 | 3 | } |
726 | 3 | }); |
727 | 3 | }); |
728 | 3 | |
729 | 3 | num_rws = 0; |
730 | 6 | for (i = 0; i < num_args; i++) { |
731 | 3 | MVMObject *value = MVM_repr_at_pos_o(tc, args, i); |
732 | 3 | if ((arg_types[i] & MVM_NATIVECALL_ARG_RW_MASK) == MVM_NATIVECALL_ARG_RW) { |
733 | 0 | switch (arg_types[i] & MVM_NATIVECALL_ARG_TYPE_MASK) { |
734 | 0 | case MVM_NATIVECALL_ARG_CHAR: |
735 | 0 | MVM_6model_container_assign_i(tc, value, (MVMint64)*(DCchar *)free_rws[num_rws]); |
736 | 0 | break; |
737 | 0 | case MVM_NATIVECALL_ARG_SHORT: |
738 | 0 | MVM_6model_container_assign_i(tc, value, (MVMint64)*(DCshort *)free_rws[num_rws]); |
739 | 0 | break; |
740 | 0 | case MVM_NATIVECALL_ARG_INT: |
741 | 0 | MVM_6model_container_assign_i(tc, value, (MVMint64)*(DCint *)free_rws[num_rws]); |
742 | 0 | break; |
743 | 0 | case MVM_NATIVECALL_ARG_LONG: |
744 | 0 | MVM_6model_container_assign_i(tc, value, (MVMint64)*(DClong *)free_rws[num_rws]); |
745 | 0 | break; |
746 | 0 | case MVM_NATIVECALL_ARG_LONGLONG: |
747 | 0 | MVM_6model_container_assign_i(tc, value, (MVMint64)*(DClonglong *)free_rws[num_rws]); |
748 | 0 | break; |
749 | 0 | case MVM_NATIVECALL_ARG_FLOAT: |
750 | 0 | MVM_6model_container_assign_n(tc, value, (MVMnum64)*(DCfloat *)free_rws[num_rws]); |
751 | 0 | break; |
752 | 0 | case MVM_NATIVECALL_ARG_DOUBLE: |
753 | 0 | MVM_6model_container_assign_n(tc, value, (MVMnum64)*(DCdouble *)free_rws[num_rws]); |
754 | 0 | break; |
755 | 0 | case MVM_NATIVECALL_ARG_UCHAR: |
756 | 0 | MVM_6model_container_assign_i(tc, value, (MVMint64)*(DCuchar *)free_rws[num_rws]); |
757 | 0 | break; |
758 | 0 | case MVM_NATIVECALL_ARG_USHORT: |
759 | 0 | MVM_6model_container_assign_i(tc, value, (MVMint64)*(DCushort *)free_rws[num_rws]); |
760 | 0 | break; |
761 | 0 | case MVM_NATIVECALL_ARG_UINT: |
762 | 0 | MVM_6model_container_assign_i(tc, value, (MVMint64)*(DCuint *)free_rws[num_rws]); |
763 | 0 | break; |
764 | 0 | case MVM_NATIVECALL_ARG_ULONG: |
765 | 0 | MVM_6model_container_assign_i(tc, value, (MVMint64)*(DCulong *)free_rws[num_rws]); |
766 | 0 | break; |
767 | 0 | case MVM_NATIVECALL_ARG_ULONGLONG: |
768 | 0 | MVM_6model_container_assign_i(tc, value, (MVMint64)*(DCulonglong *)free_rws[num_rws]); |
769 | 0 | break; |
770 | 0 | case MVM_NATIVECALL_ARG_CPOINTER: |
771 | 0 | REPR(value)->box_funcs.set_int(tc, STABLE(value), value, OBJECT_BODY(value), |
772 | 0 | (MVMint64)*(DCpointer *)free_rws[num_rws]); |
773 | 0 | break; |
774 | 0 | default: |
775 | 0 | MVM_exception_throw_adhoc(tc, "Internal error: unhandled dyncall argument type"); |
776 | 0 | } |
777 | 0 | num_rws++; |
778 | 0 | } |
779 | 3 | /* Perform CArray/CStruct write barriers. */ |
780 | 3 | MVM_nativecall_refresh(tc, value); |
781 | 3 | } |
782 | 3 | |
783 | 3 | /* Free any memory that we need to. */ |
784 | 3 | if (free_strs) { |
785 | 4 | for (i = 0; i < num_strs; i++) |
786 | 2 | MVM_free(free_strs[i]); |
787 | 2 | MVM_free(free_strs); |
788 | 2 | } |
789 | 3 | |
790 | 3 | if (free_rws) { |
791 | 0 | for (i = 0; i < num_rws; i++) |
792 | 0 | MVM_free(free_rws[i]); |
793 | 0 | MVM_free(free_rws); |
794 | 0 | } |
795 | 3 | |
796 | 3 | /* Finally, free call VM. */ |
797 | 3 | dcFree(vm); |
798 | 3 | |
799 | 3 | return result; |
800 | 3 | } |