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ntdll: Run the entire thread initialization code on the thread stack on remaining...
[wine.git] / dlls / ntdll / signal_powerpc.c
blobb0124975f35f552d4f69a08e56ec174d7c69475f
1 /*
2 * PowerPC signal handling routines
3 *
4 * Copyright 2002 Marcus Meissner, SuSE Linux AG
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #ifdef __powerpc__
22
23 #include "config.h"
24 #include "wine/port.h"
25
26 #include <assert.h>
27 #include <signal.h>
28 #include <stdlib.h>
29 #include <stdarg.h>
30 #include <stdio.h>
31 #include <sys/types.h>
32 #ifdef HAVE_UNISTD_H
33 # include <unistd.h>
34 #endif
35 #ifdef HAVE_SYS_PARAM_H
36 # include <sys/param.h>
37 #endif
38 #ifdef HAVE_SYSCALL_H
39 # include <syscall.h>
40 #else
41 # ifdef HAVE_SYS_SYSCALL_H
42 # include <sys/syscall.h>
43 # endif
44 #endif
45 #ifdef HAVE_SYS_SIGNAL_H
46 # include <sys/signal.h>
47 #endif
48 #ifdef HAVE_SYS_UCONTEXT_H
49 # include <sys/ucontext.h>
50 #endif
51
52 #include "ntstatus.h"
53 #define WIN32_NO_STATUS
54 #include "windef.h"
55 #include "winternl.h"
56 #include "wine/library.h"
57 #include "wine/exception.h"
58 #include "ntdll_misc.h"
59 #include "wine/debug.h"
60
61 WINE_DEFAULT_DEBUG_CHANNEL(seh);
62 WINE_DECLARE_DEBUG_CHANNEL(relay);
63
64 static pthread_key_t teb_key;
65
66 /***********************************************************************
67 * signal context platform-specific definitions
68 */
69 #ifdef linux
70
71 /* All Registers access - only for local access */
72 # define REG_sig(reg_name, context) ((context)->uc_mcontext.regs->reg_name)
73
74
75 /* Gpr Registers access */
76 # define GPR_sig(reg_num, context) REG_sig(gpr[reg_num], context)
77
78 # define IAR_sig(context) REG_sig(nip, context) /* Program counter */
79 # define MSR_sig(context) REG_sig(msr, context) /* Machine State Register (Supervisor) */
80 # define CTR_sig(context) REG_sig(ctr, context) /* Count register */
81
82 # define XER_sig(context) REG_sig(xer, context) /* User's integer exception register */
83 # define LR_sig(context) REG_sig(link, context) /* Link register */
84 # define CR_sig(context) REG_sig(ccr, context) /* Condition register */
85
86 /* Float Registers access */
87 # define FLOAT_sig(reg_num, context) (((double*)((char*)((context)->uc_mcontext.regs+48*4)))[reg_num])
88
89 # define FPSCR_sig(context) (*(int*)((char*)((context)->uc_mcontext.regs+(48+32*2)*4)))
90
91 /* Exception Registers access */
92 # define DAR_sig(context) REG_sig(dar, context)
93 # define DSISR_sig(context) REG_sig(dsisr, context)
94 # define TRAP_sig(context) REG_sig(trap, context)
95
96 #endif /* linux */
97
98 #ifdef __APPLE__
99
100 /* All Registers access - only for local access */
101 # define REG_sig(reg_name, context) ((context)->uc_mcontext->ss.reg_name)
102 # define FLOATREG_sig(reg_name, context) ((context)->uc_mcontext->fs.reg_name)
103 # define EXCEPREG_sig(reg_name, context) ((context)->uc_mcontext->es.reg_name)
104 # define VECREG_sig(reg_name, context) ((context)->uc_mcontext->vs.reg_name)
105
106 /* Gpr Registers access */
107 # define GPR_sig(reg_num, context) REG_sig(r##reg_num, context)
108
109 # define IAR_sig(context) REG_sig(srr0, context) /* Program counter */
110 # define MSR_sig(context) REG_sig(srr1, context) /* Machine State Register (Supervisor) */
111 # define CTR_sig(context) REG_sig(ctr, context)
112
113 # define XER_sig(context) REG_sig(xer, context) /* Link register */
114 # define LR_sig(context) REG_sig(lr, context) /* User's integer exception register */
115 # define CR_sig(context) REG_sig(cr, context) /* Condition register */
116
117 /* Float Registers access */
118 # define FLOAT_sig(reg_num, context) FLOATREG_sig(fpregs[reg_num], context)
119
120 # define FPSCR_sig(context) FLOATREG_sig(fpscr, context)
121
122 /* Exception Registers access */
123 # define DAR_sig(context) EXCEPREG_sig(dar, context) /* Fault registers for coredump */
124 # define DSISR_sig(context) EXCEPREG_sig(dsisr, context)
125 # define TRAP_sig(context) EXCEPREG_sig(exception, context) /* number of powerpc exception taken */
126
127 /* Signal defs : Those are undefined on darwin
128 SIGBUS
129 #undef BUS_ADRERR
130 #undef BUS_OBJERR
131 SIGILL
132 #undef ILL_ILLOPN
133 #undef ILL_ILLTRP
134 #undef ILL_ILLADR
135 #undef ILL_COPROC
136 #undef ILL_PRVREG
137 #undef ILL_BADSTK
138 SIGTRAP
139 #undef TRAP_BRKPT
140 #undef TRAP_TRACE
141 SIGFPE
142 */
143
144 #endif /* __APPLE__ */
145
146
147
148 typedef int (*wine_signal_handler)(unsigned int sig);
149
150 static wine_signal_handler handlers[256];
151
152 /***********************************************************************
153 * dispatch_signal
154 */
155 static inline int dispatch_signal(unsigned int sig)
156 {
157 if (handlers[sig] == NULL) return 0;
158 return handlers[sig](sig);
159 }
160
161 /***********************************************************************
162 * save_context
163 *
164 * Set the register values from a sigcontext.
165 */
166 static void save_context( CONTEXT *context, const ucontext_t *sigcontext )
167 {
168
169 #define C(x) context->Gpr##x = GPR_sig(x,sigcontext)
170 /* Save Gpr registers */
171 C(0); C(1); C(2); C(3); C(4); C(5); C(6); C(7); C(8); C(9); C(10);
172 C(11); C(12); C(13); C(14); C(15); C(16); C(17); C(18); C(19); C(20);
173 C(21); C(22); C(23); C(24); C(25); C(26); C(27); C(28); C(29); C(30);
174 C(31);
175 #undef C
176
177 context->Iar = IAR_sig(sigcontext); /* Program Counter */
178 context->Msr = MSR_sig(sigcontext); /* Machine State Register (Supervisor) */
179 context->Ctr = CTR_sig(sigcontext);
180
181 context->Xer = XER_sig(sigcontext);
182 context->Lr = LR_sig(sigcontext);
183 context->Cr = CR_sig(sigcontext);
184
185 /* Saving Exception regs */
186 context->Dar = DAR_sig(sigcontext);
187 context->Dsisr = DSISR_sig(sigcontext);
188 context->Trap = TRAP_sig(sigcontext);
189 }
190
191
192 /***********************************************************************
193 * restore_context
194 *
195 * Build a sigcontext from the register values.
196 */
197 static void restore_context( const CONTEXT *context, ucontext_t *sigcontext )
198 {
199
200 #define C(x) GPR_sig(x,sigcontext) = context->Gpr##x
201 C(0); C(1); C(2); C(3); C(4); C(5); C(6); C(7); C(8); C(9); C(10);
202 C(11); C(12); C(13); C(14); C(15); C(16); C(17); C(18); C(19); C(20);
203 C(21); C(22); C(23); C(24); C(25); C(26); C(27); C(28); C(29); C(30);
204 C(31);
205 #undef C
206
207 IAR_sig(sigcontext) = context->Iar; /* Program Counter */
208 MSR_sig(sigcontext) = context->Msr; /* Machine State Register (Supervisor) */
209 CTR_sig(sigcontext) = context->Ctr;
210
211 XER_sig(sigcontext) = context->Xer;
212 LR_sig(sigcontext) = context->Lr;
213 CR_sig(sigcontext) = context->Cr;
214
215 /* Setting Exception regs */
216 DAR_sig(sigcontext) = context->Dar;
217 DSISR_sig(sigcontext) = context->Dsisr;
218 TRAP_sig(sigcontext) = context->Trap;
219 }
220
221
222 /***********************************************************************
223 * save_fpu
224 *
225 * Set the FPU context from a sigcontext.
226 */
227 static inline void save_fpu( CONTEXT *context, const ucontext_t *sigcontext )
228 {
229 #define C(x) context->Fpr##x = FLOAT_sig(x,sigcontext)
230 C(0); C(1); C(2); C(3); C(4); C(5); C(6); C(7); C(8); C(9); C(10);
231 C(11); C(12); C(13); C(14); C(15); C(16); C(17); C(18); C(19); C(20);
232 C(21); C(22); C(23); C(24); C(25); C(26); C(27); C(28); C(29); C(30);
233 C(31);
234 #undef C
235 context->Fpscr = FPSCR_sig(sigcontext);
236 }
237
238
239 /***********************************************************************
240 * restore_fpu
241 *
242 * Restore the FPU context to a sigcontext.
243 */
244 static inline void restore_fpu( CONTEXT *context, const ucontext_t *sigcontext )
245 {
246 #define C(x) FLOAT_sig(x,sigcontext) = context->Fpr##x
247 C(0); C(1); C(2); C(3); C(4); C(5); C(6); C(7); C(8); C(9); C(10);
248 C(11); C(12); C(13); C(14); C(15); C(16); C(17); C(18); C(19); C(20);
249 C(21); C(22); C(23); C(24); C(25); C(26); C(27); C(28); C(29); C(30);
250 C(31);
251 #undef C
252 FPSCR_sig(sigcontext) = context->Fpscr;
253 }
254
255
256 /***********************************************************************
257 * RtlCaptureContext (NTDLL.@)
258 */
259 void WINAPI RtlCaptureContext( CONTEXT *context )
260 {
261 FIXME("not implemented\n");
262 memset( context, 0, sizeof(*context) );
263 }
264
265
266 /***********************************************************************
267 * set_cpu_context
268 *
269 * Set the new CPU context.
270 */
271 static void set_cpu_context( const CONTEXT *context )
272 {
273 FIXME("not implemented\n");
274 }
275
276
277 /***********************************************************************
278 * copy_context
279 *
280 * Copy a register context according to the flags.
281 */
282 static void copy_context( CONTEXT *to, const CONTEXT *from, DWORD flags )
283 {
284 if (flags & CONTEXT_CONTROL)
285 {
286 to->Msr = from->Msr;
287 to->Ctr = from->Ctr;
288 to->Iar = from->Iar;
289 to->Lr = from->Lr;
290 to->Dar = from->Dar;
291 to->Dsisr = from->Dsisr;
292 to->Trap = from->Trap;
293 }
294 if (flags & CONTEXT_INTEGER)
295 {
296 to->Gpr0 = from->Gpr0;
297 to->Gpr1 = from->Gpr1;
298 to->Gpr2 = from->Gpr2;
299 to->Gpr3 = from->Gpr3;
300 to->Gpr4 = from->Gpr4;
301 to->Gpr5 = from->Gpr5;
302 to->Gpr6 = from->Gpr6;
303 to->Gpr7 = from->Gpr7;
304 to->Gpr8 = from->Gpr8;
305 to->Gpr9 = from->Gpr9;
306 to->Gpr10 = from->Gpr10;
307 to->Gpr11 = from->Gpr11;
308 to->Gpr12 = from->Gpr12;
309 to->Gpr13 = from->Gpr13;
310 to->Gpr14 = from->Gpr14;
311 to->Gpr15 = from->Gpr15;
312 to->Gpr16 = from->Gpr16;
313 to->Gpr17 = from->Gpr17;
314 to->Gpr18 = from->Gpr18;
315 to->Gpr19 = from->Gpr19;
316 to->Gpr20 = from->Gpr20;
317 to->Gpr21 = from->Gpr21;
318 to->Gpr22 = from->Gpr22;
319 to->Gpr23 = from->Gpr23;
320 to->Gpr24 = from->Gpr24;
321 to->Gpr25 = from->Gpr25;
322 to->Gpr26 = from->Gpr26;
323 to->Gpr27 = from->Gpr27;
324 to->Gpr28 = from->Gpr28;
325 to->Gpr29 = from->Gpr29;
326 to->Gpr30 = from->Gpr30;
327 to->Gpr31 = from->Gpr31;
328 to->Xer = from->Xer;
329 to->Cr = from->Cr;
330 }
331 if (flags & CONTEXT_FLOATING_POINT)
332 {
333 to->Fpr0 = from->Fpr0;
334 to->Fpr1 = from->Fpr1;
335 to->Fpr2 = from->Fpr2;
336 to->Fpr3 = from->Fpr3;
337 to->Fpr4 = from->Fpr4;
338 to->Fpr5 = from->Fpr5;
339 to->Fpr6 = from->Fpr6;
340 to->Fpr7 = from->Fpr7;
341 to->Fpr8 = from->Fpr8;
342 to->Fpr9 = from->Fpr9;
343 to->Fpr10 = from->Fpr10;
344 to->Fpr11 = from->Fpr11;
345 to->Fpr12 = from->Fpr12;
346 to->Fpr13 = from->Fpr13;
347 to->Fpr14 = from->Fpr14;
348 to->Fpr15 = from->Fpr15;
349 to->Fpr16 = from->Fpr16;
350 to->Fpr17 = from->Fpr17;
351 to->Fpr18 = from->Fpr18;
352 to->Fpr19 = from->Fpr19;
353 to->Fpr20 = from->Fpr20;
354 to->Fpr21 = from->Fpr21;
355 to->Fpr22 = from->Fpr22;
356 to->Fpr23 = from->Fpr23;
357 to->Fpr24 = from->Fpr24;
358 to->Fpr25 = from->Fpr25;
359 to->Fpr26 = from->Fpr26;
360 to->Fpr27 = from->Fpr27;
361 to->Fpr28 = from->Fpr28;
362 to->Fpr29 = from->Fpr29;
363 to->Fpr30 = from->Fpr30;
364 to->Fpr31 = from->Fpr31;
365 to->Fpscr = from->Fpscr;
366 }
367 }
368
369
370 /***********************************************************************
371 * context_to_server
372 *
373 * Convert a register context to the server format.
374 */
375 NTSTATUS context_to_server( context_t *to, const CONTEXT *from )
376 {
377 DWORD flags = from->ContextFlags; /* no CPU id? */
378
379 memset( to, 0, sizeof(*to) );
380 to->cpu = CPU_POWERPC;
381
382 if (flags & CONTEXT_CONTROL)
383 {
384 to->flags |= SERVER_CTX_CONTROL;
385 to->ctl.powerpc_regs.iar = from->Iar;
386 to->ctl.powerpc_regs.msr = from->Msr;
387 to->ctl.powerpc_regs.ctr = from->Ctr;
388 to->ctl.powerpc_regs.lr = from->Lr;
389 to->ctl.powerpc_regs.dar = from->Dar;
390 to->ctl.powerpc_regs.dsisr = from->Dsisr;
391 to->ctl.powerpc_regs.trap = from->Trap;
392 }
393 if (flags & CONTEXT_INTEGER)
394 {
395 to->flags |= SERVER_CTX_INTEGER;
396 to->integer.powerpc_regs.gpr[0] = from->Gpr0;
397 to->integer.powerpc_regs.gpr[1] = from->Gpr1;
398 to->integer.powerpc_regs.gpr[2] = from->Gpr2;
399 to->integer.powerpc_regs.gpr[3] = from->Gpr3;
400 to->integer.powerpc_regs.gpr[4] = from->Gpr4;
401 to->integer.powerpc_regs.gpr[5] = from->Gpr5;
402 to->integer.powerpc_regs.gpr[6] = from->Gpr6;
403 to->integer.powerpc_regs.gpr[7] = from->Gpr7;
404 to->integer.powerpc_regs.gpr[8] = from->Gpr8;
405 to->integer.powerpc_regs.gpr[9] = from->Gpr9;
406 to->integer.powerpc_regs.gpr[10] = from->Gpr10;
407 to->integer.powerpc_regs.gpr[11] = from->Gpr11;
408 to->integer.powerpc_regs.gpr[12] = from->Gpr12;
409 to->integer.powerpc_regs.gpr[13] = from->Gpr13;
410 to->integer.powerpc_regs.gpr[14] = from->Gpr14;
411 to->integer.powerpc_regs.gpr[15] = from->Gpr15;
412 to->integer.powerpc_regs.gpr[16] = from->Gpr16;
413 to->integer.powerpc_regs.gpr[17] = from->Gpr17;
414 to->integer.powerpc_regs.gpr[18] = from->Gpr18;
415 to->integer.powerpc_regs.gpr[19] = from->Gpr19;
416 to->integer.powerpc_regs.gpr[20] = from->Gpr20;
417 to->integer.powerpc_regs.gpr[21] = from->Gpr21;
418 to->integer.powerpc_regs.gpr[22] = from->Gpr22;
419 to->integer.powerpc_regs.gpr[23] = from->Gpr23;
420 to->integer.powerpc_regs.gpr[24] = from->Gpr24;
421 to->integer.powerpc_regs.gpr[25] = from->Gpr25;
422 to->integer.powerpc_regs.gpr[26] = from->Gpr26;
423 to->integer.powerpc_regs.gpr[27] = from->Gpr27;
424 to->integer.powerpc_regs.gpr[28] = from->Gpr28;
425 to->integer.powerpc_regs.gpr[29] = from->Gpr29;
426 to->integer.powerpc_regs.gpr[30] = from->Gpr30;
427 to->integer.powerpc_regs.gpr[31] = from->Gpr31;
428 to->integer.powerpc_regs.xer = from->Xer;
429 to->integer.powerpc_regs.cr = from->Cr;
430 }
431 if (flags & CONTEXT_FLOATING_POINT)
432 {
433 to->flags |= SERVER_CTX_FLOATING_POINT;
434 to->fp.powerpc_regs.fpr[0] = from->Fpr0;
435 to->fp.powerpc_regs.fpr[1] = from->Fpr1;
436 to->fp.powerpc_regs.fpr[2] = from->Fpr2;
437 to->fp.powerpc_regs.fpr[3] = from->Fpr3;
438 to->fp.powerpc_regs.fpr[4] = from->Fpr4;
439 to->fp.powerpc_regs.fpr[5] = from->Fpr5;
440 to->fp.powerpc_regs.fpr[6] = from->Fpr6;
441 to->fp.powerpc_regs.fpr[7] = from->Fpr7;
442 to->fp.powerpc_regs.fpr[8] = from->Fpr8;
443 to->fp.powerpc_regs.fpr[9] = from->Fpr9;
444 to->fp.powerpc_regs.fpr[10] = from->Fpr10;
445 to->fp.powerpc_regs.fpr[11] = from->Fpr11;
446 to->fp.powerpc_regs.fpr[12] = from->Fpr12;
447 to->fp.powerpc_regs.fpr[13] = from->Fpr13;
448 to->fp.powerpc_regs.fpr[14] = from->Fpr14;
449 to->fp.powerpc_regs.fpr[15] = from->Fpr15;
450 to->fp.powerpc_regs.fpr[16] = from->Fpr16;
451 to->fp.powerpc_regs.fpr[17] = from->Fpr17;
452 to->fp.powerpc_regs.fpr[18] = from->Fpr18;
453 to->fp.powerpc_regs.fpr[19] = from->Fpr19;
454 to->fp.powerpc_regs.fpr[20] = from->Fpr20;
455 to->fp.powerpc_regs.fpr[21] = from->Fpr21;
456 to->fp.powerpc_regs.fpr[22] = from->Fpr22;
457 to->fp.powerpc_regs.fpr[23] = from->Fpr23;
458 to->fp.powerpc_regs.fpr[24] = from->Fpr24;
459 to->fp.powerpc_regs.fpr[25] = from->Fpr25;
460 to->fp.powerpc_regs.fpr[26] = from->Fpr26;
461 to->fp.powerpc_regs.fpr[27] = from->Fpr27;
462 to->fp.powerpc_regs.fpr[28] = from->Fpr28;
463 to->fp.powerpc_regs.fpr[29] = from->Fpr29;
464 to->fp.powerpc_regs.fpr[30] = from->Fpr30;
465 to->fp.powerpc_regs.fpr[31] = from->Fpr31;
466 to->fp.powerpc_regs.fpscr = from->Fpscr;
467 }
468 return STATUS_SUCCESS;
469 }
470
471
472 /***********************************************************************
473 * context_from_server
474 *
475 * Convert a register context from the server format.
476 */
477 NTSTATUS context_from_server( CONTEXT *to, const context_t *from )
478 {
479 if (from->cpu != CPU_POWERPC) return STATUS_INVALID_PARAMETER;
480
481 to->ContextFlags = 0; /* no CPU id? */
482 if (from->flags & SERVER_CTX_CONTROL)
483 {
484 to->ContextFlags |= CONTEXT_CONTROL;
485 to->Msr = from->ctl.powerpc_regs.msr;
486 to->Ctr = from->ctl.powerpc_regs.ctr;
487 to->Iar = from->ctl.powerpc_regs.iar;
488 to->Lr = from->ctl.powerpc_regs.lr;
489 to->Dar = from->ctl.powerpc_regs.dar;
490 to->Dsisr = from->ctl.powerpc_regs.dsisr;
491 to->Trap = from->ctl.powerpc_regs.trap;
492 }
493 if (from->flags & SERVER_CTX_INTEGER)
494 {
495 to->ContextFlags |= CONTEXT_INTEGER;
496 to->Gpr0 = from->integer.powerpc_regs.gpr[0];
497 to->Gpr1 = from->integer.powerpc_regs.gpr[1];
498 to->Gpr2 = from->integer.powerpc_regs.gpr[2];
499 to->Gpr3 = from->integer.powerpc_regs.gpr[3];
500 to->Gpr4 = from->integer.powerpc_regs.gpr[4];
501 to->Gpr5 = from->integer.powerpc_regs.gpr[5];
502 to->Gpr6 = from->integer.powerpc_regs.gpr[6];
503 to->Gpr7 = from->integer.powerpc_regs.gpr[7];
504 to->Gpr8 = from->integer.powerpc_regs.gpr[8];
505 to->Gpr9 = from->integer.powerpc_regs.gpr[9];
506 to->Gpr10 = from->integer.powerpc_regs.gpr[10];
507 to->Gpr11 = from->integer.powerpc_regs.gpr[11];
508 to->Gpr12 = from->integer.powerpc_regs.gpr[12];
509 to->Gpr13 = from->integer.powerpc_regs.gpr[13];
510 to->Gpr14 = from->integer.powerpc_regs.gpr[14];
511 to->Gpr15 = from->integer.powerpc_regs.gpr[15];
512 to->Gpr16 = from->integer.powerpc_regs.gpr[16];
513 to->Gpr17 = from->integer.powerpc_regs.gpr[17];
514 to->Gpr18 = from->integer.powerpc_regs.gpr[18];
515 to->Gpr19 = from->integer.powerpc_regs.gpr[19];
516 to->Gpr20 = from->integer.powerpc_regs.gpr[20];
517 to->Gpr21 = from->integer.powerpc_regs.gpr[21];
518 to->Gpr22 = from->integer.powerpc_regs.gpr[22];
519 to->Gpr23 = from->integer.powerpc_regs.gpr[23];
520 to->Gpr24 = from->integer.powerpc_regs.gpr[24];
521 to->Gpr25 = from->integer.powerpc_regs.gpr[25];
522 to->Gpr26 = from->integer.powerpc_regs.gpr[26];
523 to->Gpr27 = from->integer.powerpc_regs.gpr[27];
524 to->Gpr28 = from->integer.powerpc_regs.gpr[28];
525 to->Gpr29 = from->integer.powerpc_regs.gpr[29];
526 to->Gpr30 = from->integer.powerpc_regs.gpr[30];
527 to->Gpr31 = from->integer.powerpc_regs.gpr[31];
528 to->Xer = from->integer.powerpc_regs.xer;
529 to->Cr = from->integer.powerpc_regs.cr;
530 }
531 if (from->flags & SERVER_CTX_FLOATING_POINT)
532 {
533 to->ContextFlags |= CONTEXT_FLOATING_POINT;
534 to->Fpr0 = from->fp.powerpc_regs.fpr[0];
535 to->Fpr1 = from->fp.powerpc_regs.fpr[1];
536 to->Fpr2 = from->fp.powerpc_regs.fpr[2];
537 to->Fpr3 = from->fp.powerpc_regs.fpr[3];
538 to->Fpr4 = from->fp.powerpc_regs.fpr[4];
539 to->Fpr5 = from->fp.powerpc_regs.fpr[5];
540 to->Fpr6 = from->fp.powerpc_regs.fpr[6];
541 to->Fpr7 = from->fp.powerpc_regs.fpr[7];
542 to->Fpr8 = from->fp.powerpc_regs.fpr[8];
543 to->Fpr9 = from->fp.powerpc_regs.fpr[9];
544 to->Fpr10 = from->fp.powerpc_regs.fpr[10];
545 to->Fpr11 = from->fp.powerpc_regs.fpr[11];
546 to->Fpr12 = from->fp.powerpc_regs.fpr[12];
547 to->Fpr13 = from->fp.powerpc_regs.fpr[13];
548 to->Fpr14 = from->fp.powerpc_regs.fpr[14];
549 to->Fpr15 = from->fp.powerpc_regs.fpr[15];
550 to->Fpr16 = from->fp.powerpc_regs.fpr[16];
551 to->Fpr17 = from->fp.powerpc_regs.fpr[17];
552 to->Fpr18 = from->fp.powerpc_regs.fpr[18];
553 to->Fpr19 = from->fp.powerpc_regs.fpr[19];
554 to->Fpr20 = from->fp.powerpc_regs.fpr[20];
555 to->Fpr21 = from->fp.powerpc_regs.fpr[21];
556 to->Fpr22 = from->fp.powerpc_regs.fpr[22];
557 to->Fpr23 = from->fp.powerpc_regs.fpr[23];
558 to->Fpr24 = from->fp.powerpc_regs.fpr[24];
559 to->Fpr25 = from->fp.powerpc_regs.fpr[25];
560 to->Fpr26 = from->fp.powerpc_regs.fpr[26];
561 to->Fpr27 = from->fp.powerpc_regs.fpr[27];
562 to->Fpr28 = from->fp.powerpc_regs.fpr[28];
563 to->Fpr29 = from->fp.powerpc_regs.fpr[29];
564 to->Fpr30 = from->fp.powerpc_regs.fpr[30];
565 to->Fpr31 = from->fp.powerpc_regs.fpr[31];
566 to->Fpscr = from->fp.powerpc_regs.fpscr;
567 }
568 return STATUS_SUCCESS;
569 }
570
571
572 /***********************************************************************
573 * NtSetContextThread (NTDLL.@)
574 * ZwSetContextThread (NTDLL.@)
575 */
576 NTSTATUS WINAPI NtSetContextThread( HANDLE handle, const CONTEXT *context )
577 {
578 NTSTATUS ret;
579 BOOL self;
580
581 ret = set_thread_context( handle, context, &self );
582 if (self && ret == STATUS_SUCCESS) set_cpu_context( context );
583 return ret;
584 }
585
586
587 /***********************************************************************
588 * NtGetContextThread (NTDLL.@)
589 * ZwGetContextThread (NTDLL.@)
590 */
591 NTSTATUS WINAPI NtGetContextThread( HANDLE handle, CONTEXT *context )
592 {
593 NTSTATUS ret;
594 DWORD needed_flags = context->ContextFlags;
595 BOOL self = (handle == GetCurrentThread());
596
597 if (!self)
598 {
599 if ((ret = get_thread_context( handle, context, &self ))) return ret;
600 needed_flags &= ~context->ContextFlags;
601 }
602
603 if (self && needed_flags)
604 {
605 CONTEXT ctx;
606 RtlCaptureContext( &ctx );
607 copy_context( context, &ctx, ctx.ContextFlags & needed_flags );
608 context->ContextFlags |= ctx.ContextFlags & needed_flags;
609 }
610 return STATUS_SUCCESS;
611 }
612
613
614 /**********************************************************************
615 * call_stack_handlers
616 *
617 * Call the stack handlers chain.
618 */
619 static NTSTATUS call_stack_handlers( EXCEPTION_RECORD *rec, CONTEXT *context )
620 {
621 EXCEPTION_POINTERS ptrs;
622
623 FIXME( "not implemented on PowerPC\n" );
624
625 /* hack: call unhandled exception filter directly */
626 ptrs.ExceptionRecord = rec;
627 ptrs.ContextRecord = context;
628 unhandled_exception_filter( &ptrs );
629 return STATUS_UNHANDLED_EXCEPTION;
630 }
631
632
633 /*******************************************************************
634 * raise_exception
635 *
636 * Implementation of NtRaiseException.
637 */
638 static NTSTATUS raise_exception( EXCEPTION_RECORD *rec, CONTEXT *context, BOOL first_chance )
639 {
640 NTSTATUS status;
641
642 if (first_chance)
643 {
644 DWORD c;
645
646 TRACE( "code=%x flags=%x addr=%p ip=%x tid=%04x\n",
647 rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress,
648 context->Iar, GetCurrentThreadId() );
649 for (c = 0; c < rec->NumberParameters; c++)
650 TRACE( " info[%d]=%08lx\n", c, rec->ExceptionInformation[c] );
651 if (rec->ExceptionCode == EXCEPTION_WINE_STUB)
652 {
653 if (rec->ExceptionInformation[1] >> 16)
654 MESSAGE( "wine: Call from %p to unimplemented function %s.%s, aborting\n",
655 rec->ExceptionAddress,
656 (char*)rec->ExceptionInformation[0], (char*)rec->ExceptionInformation[1] );
657 else
658 MESSAGE( "wine: Call from %p to unimplemented function %s.%ld, aborting\n",
659 rec->ExceptionAddress,
660 (char*)rec->ExceptionInformation[0], rec->ExceptionInformation[1] );
661 }
662 else
663 {
664 /* FIXME: dump context */
665 }
666
667 status = send_debug_event( rec, TRUE, context );
668 if (status == DBG_CONTINUE || status == DBG_EXCEPTION_HANDLED)
669 return STATUS_SUCCESS;
670
671 if (call_vectored_handlers( rec, context ) == EXCEPTION_CONTINUE_EXECUTION)
672 return STATUS_SUCCESS;
673
674 if ((status = call_stack_handlers( rec, context )) != STATUS_UNHANDLED_EXCEPTION)
675 return status;
676 }
677
678 /* last chance exception */
679
680 status = send_debug_event( rec, FALSE, context );
681 if (status != DBG_CONTINUE)
682 {
683 if (rec->ExceptionFlags & EH_STACK_INVALID)
684 ERR("Exception frame is not in stack limits => unable to dispatch exception.\n");
685 else if (rec->ExceptionCode == STATUS_NONCONTINUABLE_EXCEPTION)
686 ERR("Process attempted to continue execution after noncontinuable exception.\n");
687 else
688 ERR("Unhandled exception code %x flags %x addr %p\n",
689 rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress );
690 NtTerminateProcess( NtCurrentProcess(), rec->ExceptionCode );
691 }
692 return STATUS_SUCCESS;
693 }
694
695
696 /**********************************************************************
697 * segv_handler
698 *
699 * Handler for SIGSEGV and related errors.
700 */
701 static void segv_handler( int signal, siginfo_t *siginfo, void *sigcontext )
702 {
703 EXCEPTION_RECORD rec;
704 CONTEXT context;
705 NTSTATUS status;
706
707 save_context( &context, sigcontext );
708
709 rec.ExceptionRecord = NULL;
710 rec.ExceptionFlags = EXCEPTION_CONTINUABLE;
711 rec.ExceptionAddress = (LPVOID)context.Iar;
712 rec.NumberParameters = 0;
713
714 switch (signal)
715 {
716 case SIGSEGV:
717 switch (siginfo->si_code & 0xffff)
718 {
719 case SEGV_MAPERR:
720 case SEGV_ACCERR:
721 rec.NumberParameters = 2;
722 rec.ExceptionInformation[0] = 0; /* FIXME ? */
723 rec.ExceptionInformation[1] = (ULONG_PTR)siginfo->si_addr;
724 if (!(rec.ExceptionCode = virtual_handle_fault(siginfo->si_addr, rec.ExceptionInformation[0], FALSE)))
725 goto done;
726 break;
727 default:
728 FIXME("Unhandled SIGSEGV/%x\n",siginfo->si_code);
729 break;
730 }
731 break;
732 case SIGBUS:
733 switch (siginfo->si_code & 0xffff)
734 {
735 case BUS_ADRALN:
736 rec.ExceptionCode = EXCEPTION_DATATYPE_MISALIGNMENT;
737 break;
738 #ifdef BUS_ADRERR
739 case BUS_ADRERR:
740 #endif
741 #ifdef BUS_OBJERR
742 case BUS_OBJERR:
743 /* FIXME: correct for all cases ? */
744 rec.NumberParameters = 2;
745 rec.ExceptionInformation[0] = 0; /* FIXME ? */
746 rec.ExceptionInformation[1] = (ULONG_PTR)siginfo->si_addr;
747 if (!(rec.ExceptionCode = virtual_handle_fault(siginfo->si_addr, rec.ExceptionInformation[0], FALSE)))
748 goto done;
749 break;
750 #endif
751 default:
752 FIXME("Unhandled SIGBUS/%x\n",siginfo->si_code);
753 break;
754 }
755 break;
756 case SIGILL:
757 switch (siginfo->si_code & 0xffff)
758 {
759 case ILL_ILLOPC: /* illegal opcode */
760 #ifdef ILL_ILLOPN
761 case ILL_ILLOPN: /* illegal operand */
762 #endif
763 #ifdef ILL_ILLADR
764 case ILL_ILLADR: /* illegal addressing mode */
765 #endif
766 #ifdef ILL_ILLTRP
767 case ILL_ILLTRP: /* illegal trap */
768 #endif
769 #ifdef ILL_COPROC
770 case ILL_COPROC: /* coprocessor error */
771 #endif
772 rec.ExceptionCode = EXCEPTION_ILLEGAL_INSTRUCTION;
773 break;
774 case ILL_PRVOPC: /* privileged opcode */
775 #ifdef ILL_PRVREG
776 case ILL_PRVREG: /* privileged register */
777 #endif
778 rec.ExceptionCode = EXCEPTION_PRIV_INSTRUCTION;
779 break;
780 #ifdef ILL_BADSTK
781 case ILL_BADSTK: /* internal stack error */
782 rec.ExceptionCode = EXCEPTION_STACK_OVERFLOW;
783 break;
784 #endif
785 default:
786 FIXME("Unhandled SIGILL/%x\n", siginfo->si_code);
787 break;
788 }
789 break;
790 }
791 status = raise_exception( &rec, &context, TRUE );
792 if (status) raise_status( status, &rec );
793 done:
794 restore_context( &context, sigcontext );
795 }
796
797 /**********************************************************************
798 * trap_handler
799 *
800 * Handler for SIGTRAP.
801 */
802 static void trap_handler( int signal, siginfo_t *siginfo, void *sigcontext )
803 {
804 EXCEPTION_RECORD rec;
805 CONTEXT context;
806 NTSTATUS status;
807
808 save_context( &context, sigcontext );
809
810 rec.ExceptionFlags = EXCEPTION_CONTINUABLE;
811 rec.ExceptionRecord = NULL;
812 rec.ExceptionAddress = (LPVOID)context.Iar;
813 rec.NumberParameters = 0;
814
815 /* FIXME: check if we might need to modify PC */
816 switch (siginfo->si_code & 0xffff)
817 {
818 #ifdef TRAP_BRKPT
819 case TRAP_BRKPT:
820 rec.ExceptionCode = EXCEPTION_BREAKPOINT;
821 break;
822 #endif
823 #ifdef TRAP_TRACE
824 case TRAP_TRACE:
825 rec.ExceptionCode = EXCEPTION_SINGLE_STEP;
826 break;
827 #endif
828 default:
829 FIXME("Unhandled SIGTRAP/%x\n", siginfo->si_code);
830 break;
831 }
832 status = raise_exception( &rec, &context, TRUE );
833 if (status) raise_status( status, &rec );
834 restore_context( &context, sigcontext );
835 }
836
837 /**********************************************************************
838 * fpe_handler
839 *
840 * Handler for SIGFPE.
841 */
842 static void fpe_handler( int signal, siginfo_t *siginfo, void *sigcontext )
843 {
844 EXCEPTION_RECORD rec;
845 CONTEXT context;
846 NTSTATUS status;
847
848 save_fpu( &context, sigcontext );
849 save_context( &context, sigcontext );
850
851 switch (siginfo->si_code & 0xffff )
852 {
853 #ifdef FPE_FLTSUB
854 case FPE_FLTSUB:
855 rec.ExceptionCode = EXCEPTION_ARRAY_BOUNDS_EXCEEDED;
856 break;
857 #endif
858 #ifdef FPE_INTDIV
859 case FPE_INTDIV:
860 rec.ExceptionCode = EXCEPTION_INT_DIVIDE_BY_ZERO;
861 break;
862 #endif
863 #ifdef FPE_INTOVF
864 case FPE_INTOVF:
865 rec.ExceptionCode = EXCEPTION_INT_OVERFLOW;
866 break;
867 #endif
868 #ifdef FPE_FLTDIV
869 case FPE_FLTDIV:
870 rec.ExceptionCode = EXCEPTION_FLT_DIVIDE_BY_ZERO;
871 break;
872 #endif
873 #ifdef FPE_FLTOVF
874 case FPE_FLTOVF:
875 rec.ExceptionCode = EXCEPTION_FLT_OVERFLOW;
876 break;
877 #endif
878 #ifdef FPE_FLTUND
879 case FPE_FLTUND:
880 rec.ExceptionCode = EXCEPTION_FLT_UNDERFLOW;
881 break;
882 #endif
883 #ifdef FPE_FLTRES
884 case FPE_FLTRES:
885 rec.ExceptionCode = EXCEPTION_FLT_INEXACT_RESULT;
886 break;
887 #endif
888 #ifdef FPE_FLTINV
889 case FPE_FLTINV:
890 #endif
891 default:
892 rec.ExceptionCode = EXCEPTION_FLT_INVALID_OPERATION;
893 break;
894 }
895 rec.ExceptionFlags = EXCEPTION_CONTINUABLE;
896 rec.ExceptionRecord = NULL;
897 rec.ExceptionAddress = (LPVOID)context.Iar;
898 rec.NumberParameters = 0;
899 status = raise_exception( &rec, &context, TRUE );
900 if (status) raise_status( status, &rec );
901
902 restore_context( &context, sigcontext );
903 restore_fpu( &context, sigcontext );
904 }
905
906 /**********************************************************************
907 * int_handler
908 *
909 * Handler for SIGINT.
910 */
911 static void int_handler( int signal, siginfo_t *siginfo, void *sigcontext )
912 {
913 if (!dispatch_signal(SIGINT))
914 {
915 EXCEPTION_RECORD rec;
916 CONTEXT context;
917 NTSTATUS status;
918
919 save_context( &context, sigcontext );
920 rec.ExceptionCode = CONTROL_C_EXIT;
921 rec.ExceptionFlags = EXCEPTION_CONTINUABLE;
922 rec.ExceptionRecord = NULL;
923 rec.ExceptionAddress = (LPVOID)context.Iar;
924 rec.NumberParameters = 0;
925 status = raise_exception( &rec, &context, TRUE );
926 if (status) raise_status( status, &rec );
927 restore_context( &context, sigcontext );
928 }
929 }
930
931
932 /**********************************************************************
933 * abrt_handler
934 *
935 * Handler for SIGABRT.
936 */
937 static void abrt_handler( int signal, siginfo_t *siginfo, void *sigcontext )
938 {
939 EXCEPTION_RECORD rec;
940 CONTEXT context;
941 NTSTATUS status;
942
943 save_context( &context, sigcontext );
944 rec.ExceptionCode = EXCEPTION_WINE_ASSERTION;
945 rec.ExceptionFlags = EH_NONCONTINUABLE;
946 rec.ExceptionRecord = NULL;
947 rec.ExceptionAddress = (LPVOID)context.Iar;
948 rec.NumberParameters = 0;
949 status = raise_exception( &rec, &context, TRUE );
950 if (status) raise_status( status, &rec );
951 restore_context( &context, sigcontext );
952 }
953
954
955 /**********************************************************************
956 * quit_handler
957 *
958 * Handler for SIGQUIT.
959 */
960 static void quit_handler( int signal, siginfo_t *siginfo, void *sigcontext )
961 {
962 abort_thread(0);
963 }
964
965
966 /**********************************************************************
967 * usr1_handler
968 *
969 * Handler for SIGUSR1, used to signal a thread that it got suspended.
970 */
971 static void usr1_handler( int signal, siginfo_t *siginfo, void *sigcontext )
972 {
973 CONTEXT context;
974
975 save_context( &context, sigcontext );
976 wait_suspend( &context );
977 restore_context( &context, sigcontext );
978 }
979
980
981 /***********************************************************************
982 * __wine_set_signal_handler (NTDLL.@)
983 */
984 int CDECL __wine_set_signal_handler(unsigned int sig, wine_signal_handler wsh)
985 {
986 if (sig >= sizeof(handlers) / sizeof(handlers[0])) return -1;
987 if (handlers[sig] != NULL) return -2;
988 handlers[sig] = wsh;
989 return 0;
990 }
991
992
993 /**********************************************************************
994 * signal_alloc_thread
995 */
996 NTSTATUS signal_alloc_thread( TEB **teb )
997 {
998 static size_t sigstack_zero_bits;
999 SIZE_T size;
1000 NTSTATUS status;
1001
1002 if (!sigstack_zero_bits)
1003 {
1004 size_t min_size = page_size; /* this is just for the TEB, we don't use a signal stack yet */
1005 /* find the first power of two not smaller than min_size */
1006 while ((1u << sigstack_zero_bits) < min_size) sigstack_zero_bits++;
1007 assert( sizeof(TEB) <= min_size );
1008 }
1009
1010 size = 1 << sigstack_zero_bits;
1011 *teb = NULL;
1012 if (!(status = NtAllocateVirtualMemory( NtCurrentProcess(), (void **)teb, sigstack_zero_bits,
1013 &size, MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE )))
1014 {
1015 (*teb)->Tib.Self = &(*teb)->Tib;
1016 (*teb)->Tib.ExceptionList = (void *)~0UL;
1017 }
1018 return status;
1019 }
1020
1021
1022 /**********************************************************************
1023 * signal_free_thread
1024 */
1025 void signal_free_thread( TEB *teb )
1026 {
1027 SIZE_T size = 0;
1028
1029 NtFreeVirtualMemory( NtCurrentProcess(), (void **)&teb, &size, MEM_RELEASE );
1030 }
1031
1032
1033 /**********************************************************************
1034 * signal_init_thread
1035 */
1036 void signal_init_thread( TEB *teb )
1037 {
1038 static BOOL init_done;
1039
1040 if (!init_done)
1041 {
1042 pthread_key_create( &teb_key, NULL );
1043 init_done = TRUE;
1044 }
1045 pthread_setspecific( teb_key, teb );
1046 }
1047
1048
1049 /**********************************************************************
1050 * signal_init_process
1051 */
1052 void signal_init_process(void)
1053 {
1054 struct sigaction sig_act;
1055
1056 sig_act.sa_mask = server_block_set;
1057 sig_act.sa_flags = SA_RESTART | SA_SIGINFO;
1058
1059 sig_act.sa_sigaction = int_handler;
1060 if (sigaction( SIGINT, &sig_act, NULL ) == -1) goto error;
1061 sig_act.sa_sigaction = fpe_handler;
1062 if (sigaction( SIGFPE, &sig_act, NULL ) == -1) goto error;
1063 sig_act.sa_sigaction = abrt_handler;
1064 if (sigaction( SIGABRT, &sig_act, NULL ) == -1) goto error;
1065 sig_act.sa_sigaction = quit_handler;
1066 if (sigaction( SIGQUIT, &sig_act, NULL ) == -1) goto error;
1067 sig_act.sa_sigaction = usr1_handler;
1068 if (sigaction( SIGUSR1, &sig_act, NULL ) == -1) goto error;
1069
1070 sig_act.sa_sigaction = segv_handler;
1071 if (sigaction( SIGSEGV, &sig_act, NULL ) == -1) goto error;
1072 if (sigaction( SIGILL, &sig_act, NULL ) == -1) goto error;
1073 #ifdef SIGBUS
1074 if (sigaction( SIGBUS, &sig_act, NULL ) == -1) goto error;
1075 #endif
1076
1077 #ifdef SIGTRAP
1078 sig_act.sa_sigaction = trap_handler;
1079 if (sigaction( SIGTRAP, &sig_act, NULL ) == -1) goto error;
1080 #endif
1081 return;
1082
1083 error:
1084 perror("sigaction");
1085 exit(1);
1086 }
1087
1088
1089 /**********************************************************************
1090 * __wine_enter_vm86 (NTDLL.@)
1091 */
1092 void __wine_enter_vm86( CONTEXT *context )
1093 {
1094 MESSAGE("vm86 mode not supported on this platform\n");
1095 }
1096
1097 /***********************************************************************
1098 * RtlUnwind (NTDLL.@)
1099 */
1100 void WINAPI RtlUnwind( PVOID pEndFrame, PVOID targetIp, PEXCEPTION_RECORD pRecord, PVOID retval )
1101 {
1102 FIXME( "Not implemented on PowerPC\n" );
1103 }
1104
1105 /*******************************************************************
1106 * NtRaiseException (NTDLL.@)
1107 */
1108 NTSTATUS WINAPI NtRaiseException( EXCEPTION_RECORD *rec, CONTEXT *context, BOOL first_chance )
1109 {
1110 NTSTATUS status = raise_exception( rec, context, first_chance );
1111 if (status == STATUS_SUCCESS) NtSetContextThread( GetCurrentThread(), context );
1112 return status;
1113 }
1114
1115 /***********************************************************************
1116 * RtlRaiseException (NTDLL.@)
1117 */
1118 void WINAPI RtlRaiseException( EXCEPTION_RECORD *rec )
1119 {
1120 CONTEXT context;
1121 NTSTATUS status;
1122
1123 RtlCaptureContext( &context );
1124 rec->ExceptionAddress = (void *)context.Iar;
1125 status = raise_exception( rec, &context, TRUE );
1126 if (status) raise_status( status, rec );
1127 }
1128
1129 /*************************************************************************
1130 * RtlCaptureStackBackTrace (NTDLL.@)
1131 */
1132 USHORT WINAPI RtlCaptureStackBackTrace( ULONG skip, ULONG count, PVOID *buffer, ULONG *hash )
1133 {
1134 FIXME( "(%d, %d, %p, %p) stub!\n", skip, count, buffer, hash );
1135 return 0;
1136 }
1137
1138 /***********************************************************************
1139 * call_thread_entry_point
1140 */
1141 static void call_thread_entry_point( LPTHREAD_START_ROUTINE entry, void *arg )
1142 {
1143 __TRY
1144 {
1145 TRACE_(relay)( "\1Starting thread proc %p (arg=%p)\n", entry, arg );
1146 exit_thread( entry( arg ));
1147 }
1148 __EXCEPT(unhandled_exception_filter)
1149 {
1150 NtTerminateThread( GetCurrentThread(), GetExceptionCode() );
1151 }
1152 __ENDTRY
1153 abort(); /* should not be reached */
1154 }
1155
1156 struct startup_info
1157 {
1158 LPTHREAD_START_ROUTINE entry;
1159 void *arg;
1160 BOOL suspend;
1161 };
1162
1163 /***********************************************************************
1164 * thread_startup
1165 */
1166 static void thread_startup( void *param )
1167 {
1168 CONTEXT context = { 0 };
1169 struct startup_info *info = param;
1170
1171 /* build the initial context */
1172 context.ContextFlags = CONTEXT_FULL;
1173 context.Gpr1 = (DWORD)NtCurrentTeb()->Tib.StackBase;
1174 context.Gpr3 = (DWORD)info->entry;
1175 context.Gpr4 = (DWORD)info->arg;
1176 context.Iar = (DWORD)call_thread_entry_point;
1177
1178 if (info->suspend) wait_suspend( &context );
1179 attach_dlls( &context );
1180
1181 call_thread_entry_point( (LPTHREAD_START_ROUTINE)context.Gpr3, (void *)context.Gpr4 );
1182 }
1183
1184 /***********************************************************************
1185 * signal_start_thread
1186 *
1187 * Thread startup sequence:
1188 * signal_start_thread()
1189 * -> thread_startup()
1190 * -> call_thread_entry_point()
1191 */
1192 void signal_start_thread( LPTHREAD_START_ROUTINE entry, void *arg, BOOL suspend )
1193 {
1194 struct startup_info info = { entry, arg, suspend };
1195 wine_switch_to_stack( thread_startup, &info, NtCurrentTeb()->Tib.StackBase );
1196 }
1197
1198 /**********************************************************************
1199 * signal_start_process
1200 *
1201 * Process startup sequence:
1202 * signal_start_process()
1203 * -> thread_startup()
1204 * -> call_thread_entry_point()
1205 * -> kernel32_start_process()
1206 */
1207 void signal_start_process( LPTHREAD_START_ROUTINE entry, BOOL suspend )
1208 {
1209 struct startup_info info = { kernel32_start_process, entry, suspend };
1210 wine_switch_to_stack( thread_startup, &info, NtCurrentTeb()->Tib.StackBase );
1211 }
1212
1213 /***********************************************************************
1214 * RtlExitUserThread (NTDLL.@)
1215 */
1216 void WINAPI RtlExitUserThread( ULONG status )
1217 {
1218 exit_thread( status );
1219 }
1220
1221 /***********************************************************************
1222 * abort_thread
1223 */
1224 void abort_thread( int status )
1225 {
1226 terminate_thread( status );
1227 }
1228
1229 /**********************************************************************
1230 * DbgBreakPoint (NTDLL.@)
1231 */
1232 void WINAPI DbgBreakPoint(void)
1233 {
1234 kill(getpid(), SIGTRAP);
1235 }
1236
1237 /**********************************************************************
1238 * DbgUserBreakPoint (NTDLL.@)
1239 */
1240 void WINAPI DbgUserBreakPoint(void)
1241 {
1242 kill(getpid(), SIGTRAP);
1243 }
1244
1245 /**********************************************************************
1246 * NtCurrentTeb (NTDLL.@)
1247 */
1248 TEB * WINAPI NtCurrentTeb(void)
1249 {
1250 return pthread_getspecific( teb_key );
1251 }
1252
1253 #endif /* __powerpc__ */
Windows API implementation