2 * mono-context.h: plat independent machine state definitions
5 * Copyright (c) 2011 Novell, Inc (http://www.novell.com)
6 * Licensed under the MIT license. See LICENSE file in the project root for full license information.
10 #ifndef __MONO_MONO_CONTEXT_H__
11 #define __MONO_MONO_CONTEXT_H__
15 #include "mono-compiler.h"
16 #include "mono-sigcontext.h"
17 #include "mono-machine.h"
24 * General notes about mono-context.
25 * Each arch defines a MonoContext struct with all GPR regs + IP/PC.
26 * IP/PC should be the last element of the struct (this is a mild sgen constraint we could drop if needed)
27 * Macros to get/set BP, SP and IP are defined too.
28 * MONO_CONTEXT_GET_CURRENT captures the current context as close as possible. One reg might be clobbered
29 * to hold the address of the target MonoContext. It will be a caller save one, so should not be a problem.
31 #if defined(MONO_CROSS_COMPILE)
33 typedef struct {} MonoContext;
35 #define MONO_CONTEXT_SET_IP(ctx,ip) g_assert_not_reached ()
36 #define MONO_CONTEXT_SET_BP(ctx,bp) g_assert_not_reached ()
37 #define MONO_CONTEXT_SET_SP(ctx,sp) g_assert_not_reached ()
39 #define MONO_CONTEXT_GET_IP(ctx) NULL
40 #define MONO_CONTEXT_GET_BP(ctx) NULL
41 #define MONO_CONTEXT_GET_SP(ctx) NULL
43 #define MONO_CONTEXT_GET_CURRENT(ctx) do {} while (0)
45 #elif defined(__i386__) || defined(TARGET_X86)
47 /*HACK, move this to an eventual mono-signal.c*/
48 #if defined( __linux__) || defined(__sun) || defined(__APPLE__) || defined(__NetBSD__) || \
49 defined(__FreeBSD__) || defined(__OpenBSD__)
50 #if defined(HAVE_SIGACTION) || defined(__APPLE__) // the __APPLE__ check is required for the tvos simulator, which has ucontext_t but not sigaction
51 #define MONO_SIGNAL_USE_UCONTEXT_T 1
55 #if defined(__native_client__)
56 #undef MONO_SIGNAL_USE_UCONTEXT_T
60 /* sigcontext surrogate */
74 #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
75 # define SC_EAX sc_eax
76 # define SC_EBX sc_ebx
77 # define SC_ECX sc_ecx
78 # define SC_EDX sc_edx
79 # define SC_EBP sc_ebp
80 # define SC_EIP sc_eip
81 # define SC_ESP sc_esp
82 # define SC_EDI sc_edi
83 # define SC_ESI sc_esi
84 #elif defined(__HAIKU__)
85 # define SC_EAX regs.eax
86 # define SC_EBX regs._reserved_2[2]
87 # define SC_ECX regs.ecx
88 # define SC_EDX regs.edx
89 # define SC_EBP regs.ebp
90 # define SC_EIP regs.eip
91 # define SC_ESP regs.esp
92 # define SC_EDI regs._reserved_2[0]
93 # define SC_ESI regs._reserved_2[1]
118 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->eip = (mgreg_t)(ip); } while (0);
119 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->ebp = (mgreg_t)(bp); } while (0);
120 #define MONO_CONTEXT_SET_SP(ctx,sp) do { (ctx)->esp = (mgreg_t)(sp); } while (0);
122 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->eip))
123 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->ebp))
124 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->esp))
126 /*We set EAX to zero since we are clobering it anyway*/
128 #define MONO_CONTEXT_GET_CURRENT(ctx) do { \
129 void *_ptr = &(ctx); \
131 __asm mov eax, _ptr \
132 __asm mov [eax+0x00], eax \
133 __asm mov [eax+0x04], ebx \
134 __asm mov [eax+0x08], ecx \
135 __asm mov [eax+0x0c], edx \
136 __asm mov [eax+0x10], ebp \
137 __asm mov [eax+0x14], esp \
138 __asm mov [eax+0x18], esi \
139 __asm mov [eax+0x1c], edi \
140 __asm call __mono_context_get_ip \
141 __asm __mono_context_get_ip: \
142 __asm pop dword ptr [eax+0x20] \
146 #define MONO_CONTEXT_GET_CURRENT(ctx) \
147 __asm__ __volatile__( \
148 "movl $0x0, 0x00(%0)\n" \
149 "mov %%ebx, 0x04(%0)\n" \
150 "mov %%ecx, 0x08(%0)\n" \
151 "mov %%edx, 0x0c(%0)\n" \
152 "mov %%ebp, 0x10(%0)\n" \
153 "mov %%esp, 0x14(%0)\n" \
154 "mov %%esi, 0x18(%0)\n" \
155 "mov %%edi, 0x1c(%0)\n" \
157 "1: pop 0x20(%0)\n" \
163 #define MONO_ARCH_HAS_MONO_CONTEXT 1
165 #elif defined(__x86_64__) || defined(TARGET_AMD64) /* defined(__i386__) */
167 #include <mono/arch/amd64/amd64-codegen.h>
169 #if !defined( HOST_WIN32 ) && !defined(__native_client__) && !defined(__native_client_codegen__)
171 #if defined(HAVE_SIGACTION) || defined(__APPLE__) // the __APPLE__ check is required for the tvos simulator, which has ucontext_t but not sigaction
172 #define MONO_SIGNAL_USE_UCONTEXT_T 1
178 mgreg_t gregs [AMD64_NREG];
179 double fregs [AMD64_XMM_NREG];
182 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->gregs [AMD64_RIP] = (mgreg_t)(ip); } while (0);
183 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->gregs [AMD64_RBP] = (mgreg_t)(bp); } while (0);
184 #define MONO_CONTEXT_SET_SP(ctx,esp) do { (ctx)->gregs [AMD64_RSP] = (mgreg_t)(esp); } while (0);
186 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->gregs [AMD64_RIP]))
187 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->gregs [AMD64_RBP]))
188 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->gregs [AMD64_RSP]))
190 #if defined (HOST_WIN32) && !defined(__GNUC__)
191 /* msvc doesn't support inline assembly, so have to use a separate .asm file */
192 extern void mono_context_get_current (void *);
193 #define MONO_CONTEXT_GET_CURRENT(ctx) do { mono_context_get_current((void*)&(ctx)); } while (0)
195 #elif defined(__native_client__)
196 #define MONO_CONTEXT_GET_CURRENT(ctx) \
197 __asm__ __volatile__( \
198 "movq $0x0, %%nacl:0x00(%%r15, %0, 1)\n" \
199 "movq %%rcx, %%nacl:0x08(%%r15, %0, 1)\n" \
200 "movq %%rdx, %%nacl:0x10(%%r15, %0, 1)\n" \
201 "movq %%rbx, %%nacl:0x18(%%r15, %0, 1)\n" \
202 "movq %%rsp, %%nacl:0x20(%%r15, %0, 1)\n" \
203 "movq %%rbp, %%nacl:0x28(%%r15, %0, 1)\n" \
204 "movq %%rsi, %%nacl:0x30(%%r15, %0, 1)\n" \
205 "movq %%rdi, %%nacl:0x38(%%r15, %0, 1)\n" \
206 "movq %%r8, %%nacl:0x40(%%r15, %0, 1)\n" \
207 "movq %%r9, %%nacl:0x48(%%r15, %0, 1)\n" \
208 "movq %%r10, %%nacl:0x50(%%r15, %0, 1)\n" \
209 "movq %%r11, %%nacl:0x58(%%r15, %0, 1)\n" \
210 "movq %%r12, %%nacl:0x60(%%r15, %0, 1)\n" \
211 "movq %%r13, %%nacl:0x68(%%r15, %0, 1)\n" \
212 "movq %%r14, %%nacl:0x70(%%r15, %0, 1)\n" \
213 "movq %%r15, %%nacl:0x78(%%r15, %0, 1)\n" \
214 "leaq (%%rip), %%rdx\n" \
215 "movq %%rdx, %%nacl:0x80(%%r15, %0, 1)\n" \
217 : "a" ((int64_t)&(ctx)) \
221 #define MONO_CONTEXT_GET_CURRENT(ctx) \
222 __asm__ __volatile__( \
223 "movq $0x0, 0x00(%0)\n" \
224 "movq %%rcx, 0x08(%0)\n" \
225 "movq %%rdx, 0x10(%0)\n" \
226 "movq %%rbx, 0x18(%0)\n" \
227 "movq %%rsp, 0x20(%0)\n" \
228 "movq %%rbp, 0x28(%0)\n" \
229 "movq %%rsi, 0x30(%0)\n" \
230 "movq %%rdi, 0x38(%0)\n" \
231 "movq %%r8, 0x40(%0)\n" \
232 "movq %%r9, 0x48(%0)\n" \
233 "movq %%r10, 0x50(%0)\n" \
234 "movq %%r11, 0x58(%0)\n" \
235 "movq %%r12, 0x60(%0)\n" \
236 "movq %%r13, 0x68(%0)\n" \
237 "movq %%r14, 0x70(%0)\n" \
238 "movq %%r15, 0x78(%0)\n" \
239 /* "leaq (%%rip), %%rdx\n" is not understood by icc */ \
240 ".byte 0x48, 0x8d, 0x15, 0x00, 0x00, 0x00, 0x00\n" \
241 "movq %%rdx, 0x80(%0)\n" \
247 #define MONO_ARCH_HAS_MONO_CONTEXT 1
249 #elif defined(__arm__) || defined(TARGET_ARM) /* defined(__x86_64__) */
251 #include <mono/arch/arm/arm-codegen.h>
260 /* we have the stack pointer, not the base pointer in sigcontext */
261 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->pc = (mgreg_t)ip; } while (0);
262 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->regs [ARMREG_FP] = (mgreg_t)bp; } while (0);
263 #define MONO_CONTEXT_SET_SP(ctx,bp) do { (ctx)->regs [ARMREG_SP] = (mgreg_t)bp; } while (0);
265 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->pc))
266 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->regs [ARMREG_FP]))
267 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->regs [ARMREG_SP]))
269 #if defined(HOST_WATCHOS)
271 #define MONO_CONTEXT_GET_CURRENT(ctx) do { \
276 #define MONO_CONTEXT_GET_CURRENT(ctx) do { \
277 __asm__ __volatile__( \
281 "ldr r1, [sp, #4]\n" \
283 "ldr r1, [sp, #0]\n" \
285 "stmia r0!, {r2-r12}\n" \
296 ctx.pc = ctx.regs [15]; \
301 #define MONO_ARCH_HAS_MONO_CONTEXT 1
303 #elif defined(__aarch64__) || defined(TARGET_ARM64)
305 #include <mono/arch/arm64/arm64-codegen.h>
313 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->pc = (mgreg_t)ip; } while (0)
314 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->regs [ARMREG_FP] = (mgreg_t)bp; } while (0);
315 #define MONO_CONTEXT_SET_SP(ctx,bp) do { (ctx)->regs [ARMREG_SP] = (mgreg_t)bp; } while (0);
317 #define MONO_CONTEXT_GET_IP(ctx) (gpointer)((ctx)->pc)
318 #define MONO_CONTEXT_GET_BP(ctx) (gpointer)((ctx)->regs [ARMREG_FP])
319 #define MONO_CONTEXT_GET_SP(ctx) (gpointer)((ctx)->regs [ARMREG_SP])
321 #if defined (HOST_APPLETVOS)
323 #define MONO_CONTEXT_GET_CURRENT(ctx) do { \
324 arm_unified_thread_state_t thread_state; \
325 int state_flavor = ARM_UNIFIED_THREAD_STATE; \
326 unsigned state_count = ARM_UNIFIED_THREAD_STATE_COUNT; \
327 thread_port_t self = mach_thread_self (); \
328 kern_return_t ret = thread_get_state (self, state_flavor, (thread_state_t) &thread_state, &state_count); \
329 g_assert (ret == 0); \
330 mono_mach_arch_thread_state_to_mono_context ((thread_state_t)&thread_state, &ctx); \
331 mach_port_deallocate (current_task (), self); \
336 #define MONO_CONTEXT_GET_CURRENT(ctx) do { \
337 __asm__ __volatile__( \
339 "stp x0, x1, [x16], #16\n" \
340 "stp x2, x3, [x16], #16\n" \
341 "stp x4, x5, [x16], #16\n" \
342 "stp x6, x7, [x16], #16\n" \
343 "stp x8, x9, [x16], #16\n" \
344 "stp x10, x11, [x16], #16\n" \
345 "stp x12, x13, [x16], #16\n" \
346 "stp x14, x15, [x16], #16\n" \
347 "stp xzr, x17, [x16], #16\n" \
348 "stp x18, x19, [x16], #16\n" \
349 "stp x20, x21, [x16], #16\n" \
350 "stp x22, x23, [x16], #16\n" \
351 "stp x24, x25, [x16], #16\n" \
352 "stp x26, x27, [x16], #16\n" \
353 "stp x28, x29, [x16], #16\n" \
354 "stp x30, xzr, [x16]\n" \
356 "str x30, [x16, #8]\n" \
361 __asm__ __volatile__( \
372 #define MONO_ARCH_HAS_MONO_CONTEXT 1
374 #elif defined(__mono_ppc__) /* defined(__arm__) */
376 /* we define our own structure and we'll copy the data
377 * from sigcontext/ucontext/mach when we need it.
378 * This also makes us save stack space and time when copying
379 * We might also want to add an additional field to propagate
380 * the original context from the signal handler.
382 #ifdef __mono_ppc64__
391 /* we have the stack pointer, not the base pointer in sigcontext */
392 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->sc_ir = (gulong)ip; } while (0);
393 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->sc_sp = (gulong)bp; } while (0);
394 #define MONO_CONTEXT_SET_SP(ctx,sp) do { (ctx)->sc_sp = (gulong)sp; } while (0);
396 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->sc_ir))
397 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->regs [ppc_r31-13]))
398 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->sc_sp))
400 #define MONO_CONTEXT_GET_CURRENT(ctx) \
401 __asm__ __volatile__( \
404 "std 0, 8*0+16(%0)\n" \
405 "std 1, 8*1+16(%0)\n" \
406 "std 2, 8*2+16(%0)\n" \
407 "std 3, 8*3+16(%0)\n" \
408 "std 4, 8*4+16(%0)\n" \
409 "std 5, 8*5+16(%0)\n" \
410 "std 6, 8*6+16(%0)\n" \
411 "std 7, 8*7+16(%0)\n" \
412 "std 8, 8*8+16(%0)\n" \
413 "std 9, 8*9+16(%0)\n" \
414 "std 10, 8*10+16(%0)\n" \
415 "std 11, 8*11+16(%0)\n" \
416 "std 12, 8*12+16(%0)\n" \
417 "std 13, 8*13+16(%0)\n" \
418 "std 14, 8*14+16(%0)\n" \
419 "std 15, 8*15+16(%0)\n" \
420 "std 16, 8*16+16(%0)\n" \
421 "std 17, 8*17+16(%0)\n" \
422 "std 18, 8*18+16(%0)\n" \
423 "std 19, 8*19+16(%0)\n" \
424 "std 20, 8*20+16(%0)\n" \
425 "std 21, 8*21+16(%0)\n" \
426 "std 22, 8*22+16(%0)\n" \
427 "std 23, 8*23+16(%0)\n" \
428 "std 24, 8*24+16(%0)\n" \
429 "std 25, 8*25+16(%0)\n" \
430 "std 26, 8*26+16(%0)\n" \
431 "std 27, 8*27+16(%0)\n" \
432 "std 28, 8*28+16(%0)\n" \
433 "std 29, 8*29+16(%0)\n" \
434 "std 30, 8*30+16(%0)\n" \
435 "std 31, 8*31+16(%0)\n" \
436 "stfd 0, 8*0+8*32+16(%0)\n" \
437 "stfd 1, 8*1+8*32+16(%0)\n" \
438 "stfd 2, 8*2+8*32+16(%0)\n" \
439 "stfd 3, 8*3+8*32+16(%0)\n" \
440 "stfd 4, 8*4+8*32+16(%0)\n" \
441 "stfd 5, 8*5+8*32+16(%0)\n" \
442 "stfd 6, 8*6+8*32+16(%0)\n" \
443 "stfd 7, 8*7+8*32+16(%0)\n" \
444 "stfd 8, 8*8+8*32+16(%0)\n" \
445 "stfd 9, 8*9+8*32+16(%0)\n" \
446 "stfd 10, 8*10+8*32+16(%0)\n" \
447 "stfd 11, 8*11+8*32+16(%0)\n" \
448 "stfd 12, 8*12+8*32+16(%0)\n" \
449 "stfd 13, 8*13+8*32+16(%0)\n" \
450 "stfd 14, 8*14+8*32+16(%0)\n" \
451 "stfd 15, 8*15+8*32+16(%0)\n" \
452 "stfd 16, 8*16+8*32+16(%0)\n" \
453 "stfd 17, 8*17+8*32+16(%0)\n" \
454 "stfd 18, 8*18+8*32+16(%0)\n" \
455 "stfd 19, 8*19+8*32+16(%0)\n" \
456 "stfd 20, 8*20+8*32+16(%0)\n" \
457 "stfd 21, 8*21+8*32+16(%0)\n" \
458 "stfd 22, 8*22+8*32+16(%0)\n" \
459 "stfd 23, 8*23+8*32+16(%0)\n" \
460 "stfd 24, 8*24+8*32+16(%0)\n" \
461 "stfd 25, 8*25+8*32+16(%0)\n" \
462 "stfd 26, 8*26+8*32+16(%0)\n" \
463 "stfd 27, 8*27+8*32+16(%0)\n" \
464 "stfd 28, 8*28+8*32+16(%0)\n" \
465 "stfd 29, 8*29+8*32+16(%0)\n" \
466 "stfd 30, 8*30+8*32+16(%0)\n" \
467 "stfd 31, 8*31+8*32+16(%0)\n" \
472 #else /* !defined(__mono_ppc64__) */
481 /* we have the stack pointer, not the base pointer in sigcontext */
482 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->sc_ir = (mgreg_t)ip; } while (0);
483 /* FIXME: should be called SET_SP */
484 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->sc_sp = (mgreg_t)bp; } while (0);
485 #define MONO_CONTEXT_SET_SP(ctx,sp) do { (ctx)->sc_sp = (mgreg_t)sp; } while (0);
487 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->sc_ir))
488 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->regs [ppc_r31-13]))
489 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->sc_sp))
491 #define MONO_CONTEXT_GET_CURRENT(ctx) \
492 __asm__ __volatile__( \
495 "std 0, 4*0+8(%0)\n" \
496 "std 1, 4*1+8(%0)\n" \
497 "std 2, 4*2+8(%0)\n" \
498 "std 3, 4*3+8(%0)\n" \
499 "std 4, 4*4+8(%0)\n" \
500 "std 5, 4*5+8(%0)\n" \
501 "std 6, 4*6+8(%0)\n" \
502 "std 7, 4*7+8(%0)\n" \
503 "std 8, 4*8+8(%0)\n" \
504 "std 9, 4*9+8(%0)\n" \
505 "std 10, 4*10+8(%0)\n" \
506 "std 11, 4*11+8(%0)\n" \
507 "std 12, 4*12+8(%0)\n" \
508 "std 13, 4*13+8(%0)\n" \
509 "std 14, 4*14+8(%0)\n" \
510 "std 15, 4*15+8(%0)\n" \
511 "std 16, 4*16+8(%0)\n" \
512 "std 17, 4*17+8(%0)\n" \
513 "std 18, 4*18+8(%0)\n" \
514 "std 19, 4*19+8(%0)\n" \
515 "std 20, 4*20+8(%0)\n" \
516 "std 21, 4*21+8(%0)\n" \
517 "std 22, 4*22+8(%0)\n" \
518 "std 23, 4*23+8(%0)\n" \
519 "std 24, 4*24+8(%0)\n" \
520 "std 25, 4*25+8(%0)\n" \
521 "std 26, 4*26+8(%0)\n" \
522 "std 27, 4*27+8(%0)\n" \
523 "std 28, 4*28+8(%0)\n" \
524 "std 29, 4*29+8(%0)\n" \
525 "std 30, 4*30+8(%0)\n" \
526 "std 31, 4*31+8(%0)\n" \
527 "stfd 0, 8*0+4*32+8(%0)\n" \
528 "stfd 1, 8*1+4*32+8(%0)\n" \
529 "stfd 2, 8*2+4*32+8(%0)\n" \
530 "stfd 3, 8*3+4*32+8(%0)\n" \
531 "stfd 4, 8*4+4*32+8(%0)\n" \
532 "stfd 5, 8*5+4*32+8(%0)\n" \
533 "stfd 6, 8*6+4*32+8(%0)\n" \
534 "stfd 7, 8*7+4*32+8(%0)\n" \
535 "stfd 8, 8*8+4*32+8(%0)\n" \
536 "stfd 9, 8*9+4*32+8(%0)\n" \
537 "stfd 10, 8*10+4*32+8(%0)\n" \
538 "stfd 11, 8*11+4*32+8(%0)\n" \
539 "stfd 12, 8*12+4*32+8(%0)\n" \
540 "stfd 13, 8*13+4*32+8(%0)\n" \
541 "stfd 14, 8*14+4*32+8(%0)\n" \
542 "stfd 15, 8*15+4*32+8(%0)\n" \
543 "stfd 16, 8*16+4*32+8(%0)\n" \
544 "stfd 17, 8*17+4*32+8(%0)\n" \
545 "stfd 18, 8*18+4*32+8(%0)\n" \
546 "stfd 19, 8*19+4*32+8(%0)\n" \
547 "stfd 20, 8*20+4*32+8(%0)\n" \
548 "stfd 21, 8*21+4*32+8(%0)\n" \
549 "stfd 22, 8*22+4*32+8(%0)\n" \
550 "stfd 23, 8*23+4*32+8(%0)\n" \
551 "stfd 24, 8*24+4*32+8(%0)\n" \
552 "stfd 25, 8*25+4*32+8(%0)\n" \
553 "stfd 26, 8*26+4*32+8(%0)\n" \
554 "stfd 27, 8*27+4*32+8(%0)\n" \
555 "stfd 28, 8*28+4*32+8(%0)\n" \
556 "stfd 29, 8*29+4*32+8(%0)\n" \
557 "stfd 30, 8*30+4*32+8(%0)\n" \
558 "stfd 31, 8*31+4*32+8(%0)\n" \
565 #define MONO_ARCH_HAS_MONO_CONTEXT 1
567 #elif defined(__sparc__) || defined(sparc) /* defined(__mono_ppc__) */
569 typedef struct MonoContext {
576 #define MONO_CONTEXT_SET_IP(ctx,eip) do { (ctx)->ip = (gpointer)(eip); } while (0);
577 #define MONO_CONTEXT_SET_BP(ctx,ebp) do { (ctx)->fp = (gpointer*)(ebp); } while (0);
578 #define MONO_CONTEXT_SET_SP(ctx,esp) do { (ctx)->sp = (gpointer*)(esp); } while (0);
580 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->ip))
581 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->fp))
582 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->sp))
585 #define MONO_CONTEXT_GET_CURRENT(ctx) \
586 __asm__ __volatile__( \
588 "st %%g2,[%0+0x08]\n" \
589 "st %%g3,[%0+0x10]\n" \
590 "st %%g4,[%0+0x18]\n" \
591 "st %%g5,[%0+0x20]\n" \
592 "st %%g6,[%0+0x28]\n" \
593 "st %%g7,[%0+0x30]\n" \
594 "st %%o0,[%0+0x38]\n" \
595 "st %%o1,[%0+0x40]\n" \
596 "st %%o2,[%0+0x48]\n" \
597 "st %%o3,[%0+0x50]\n" \
598 "st %%o4,[%0+0x58]\n" \
599 "st %%o5,[%0+0x60]\n" \
600 "st %%o6,[%0+0x68]\n" \
601 "st %%o7,[%0+0x70]\n" \
607 #define MONO_CONTEXT_GET_CURRENT(ctx) \
608 __asm__ __volatile__( \
610 "st %%g2,[%0+0x04]\n" \
611 "st %%g3,[%0+0x08]\n" \
612 "st %%g4,[%0+0x0c]\n" \
613 "st %%g5,[%0+0x10]\n" \
614 "st %%g6,[%0+0x14]\n" \
615 "st %%g7,[%0+0x18]\n" \
616 "st %%o0,[%0+0x1c]\n" \
617 "st %%o1,[%0+0x20]\n" \
618 "st %%o2,[%0+0x24]\n" \
619 "st %%o3,[%0+0x28]\n" \
620 "st %%o4,[%0+0x2c]\n" \
621 "st %%o5,[%0+0x30]\n" \
622 "st %%o6,[%0+0x34]\n" \
623 "st %%o7,[%0+0x38]\n" \
630 #define MONO_ARCH_HAS_MONO_CONTEXT 1
632 #elif defined(__ia64__) /*defined(__sparc__) || defined(sparc) */
634 #ifndef UNW_LOCAL_ONLY
636 #define UNW_LOCAL_ONLY
637 #include <libunwind.h>
641 typedef struct MonoContext {
643 /* Whenever the ip in 'cursor' points to the ip where the exception happened */
644 /* This is true for the initial context for exceptions thrown from signal handlers */
648 /*XXX SET_BP is missing*/
649 #define MONO_CONTEXT_SET_IP(ctx,eip) do { int err = unw_set_reg (&(ctx)->cursor, UNW_IA64_IP, (unw_word_t)(eip)); g_assert (err == 0); } while (0)
650 #define MONO_CONTEXT_SET_SP(ctx,esp) do { int err = unw_set_reg (&(ctx)->cursor, UNW_IA64_SP, (unw_word_t)(esp)); g_assert (err == 0); } while (0)
652 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)(mono_ia64_context_get_ip ((ctx))))
653 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)(mono_ia64_context_get_fp ((ctx))))
654 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)(mono_ia64_context_get_sp ((ctx))))
656 static inline unw_word_t
657 mono_ia64_context_get_ip (MonoContext *ctx)
662 err = unw_get_reg (&ctx->cursor, UNW_IA64_IP, &ip);
665 if (ctx->precise_ip) {
668 /* Subtrack 1 so ip points into the actual instruction */
673 static inline unw_word_t
674 mono_ia64_context_get_sp (MonoContext *ctx)
679 err = unw_get_reg (&ctx->cursor, UNW_IA64_SP, &sp);
685 static inline unw_word_t
686 mono_ia64_context_get_fp (MonoContext *ctx)
688 unw_cursor_t new_cursor;
695 err = unw_get_reg (&ctx->cursor, UNW_IA64_SP, &sp);
698 err = unw_get_reg (&ctx->cursor, UNW_IA64_IP, &ip);
702 /* fp is the SP of the parent frame */
703 new_cursor = ctx->cursor;
705 err = unw_step (&new_cursor);
708 err = unw_get_reg (&new_cursor, UNW_IA64_SP, &fp);
714 #elif (defined(__mips__) || defined(TARGET_MIPS)) && SIZEOF_REGISTER == 4 /* defined(__ia64__) */
716 #include <mono/arch/mips/mips-codegen.h>
720 mgreg_t sc_regs [32];
721 gfloat sc_fpregs [32];
724 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->sc_pc = (mgreg_t)(ip); } while (0);
725 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->sc_regs[mips_fp] = (mgreg_t)(bp); } while (0);
726 #define MONO_CONTEXT_SET_SP(ctx,sp) do { (ctx)->sc_regs[mips_sp] = (mgreg_t)(sp); } while (0);
728 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->sc_pc))
729 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->sc_regs[mips_fp]))
730 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->sc_regs[mips_sp]))
732 #define MONO_CONTEXT_GET_CURRENT(ctx) \
733 __asm__ __volatile__( \
744 "sw $10,40(%0)\n\t" \
745 "sw $11,44(%0)\n\t" \
746 "sw $12,48(%0)\n\t" \
747 "sw $13,52(%0)\n\t" \
748 "sw $14,56(%0)\n\t" \
749 "sw $15,60(%0)\n\t" \
750 "sw $16,64(%0)\n\t" \
751 "sw $17,68(%0)\n\t" \
752 "sw $18,72(%0)\n\t" \
753 "sw $19,76(%0)\n\t" \
754 "sw $20,80(%0)\n\t" \
755 "sw $21,84(%0)\n\t" \
756 "sw $22,88(%0)\n\t" \
757 "sw $23,92(%0)\n\t" \
758 "sw $24,96(%0)\n\t" \
759 "sw $25,100(%0)\n\t" \
760 "sw $26,104(%0)\n\t" \
761 "sw $27,108(%0)\n\t" \
762 "sw $28,112(%0)\n\t" \
763 "sw $29,116(%0)\n\t" \
764 "sw $30,120(%0)\n\t" \
765 "sw $31,124(%0)\n\t" \
766 : : "r" (&(ctx).sc_regs [0]) \
770 #elif defined(__s390x__)
772 #define MONO_ARCH_HAS_MONO_CONTEXT 1
774 typedef struct ucontext MonoContext;
776 #define MONO_CONTEXT_SET_IP(ctx,ip) \
778 (ctx)->uc_mcontext.gregs[14] = (unsigned long)ip; \
779 (ctx)->uc_mcontext.psw.addr = (unsigned long)ip; \
782 #define MONO_CONTEXT_SET_SP(ctx,bp) MONO_CONTEXT_SET_BP((ctx),(bp))
783 #define MONO_CONTEXT_SET_BP(ctx,bp) \
785 (ctx)->uc_mcontext.gregs[15] = (unsigned long)bp; \
786 (ctx)->uc_stack.ss_sp = (void*)bp; \
789 #define MONO_CONTEXT_GET_IP(ctx) (gpointer) (ctx)->uc_mcontext.psw.addr
790 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->uc_mcontext.gregs[15]))
791 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->uc_mcontext.gregs[11]))
793 #define MONO_CONTEXT_GET_CURRENT(ctx) \
794 __asm__ __volatile__( \
795 "stmg %%r0,%%r15,0(%0)\n" \
796 : : "r" (&(ctx).uc_mcontext.gregs[0]) \
802 #error "Implement mono-context for the current arch"
807 * The naming is misleading, the SIGCTX argument should be the platform's context
808 * structure (ucontext_c on posix, CONTEXT on windows).
810 void mono_sigctx_to_monoctx (void *sigctx, MonoContext *mctx);
813 * This will not completely initialize SIGCTX since MonoContext contains less
814 * information that the system context. The caller should obtain a SIGCTX from
815 * the system, and use this function to override the parts of it which are
816 * also in MonoContext.
818 void mono_monoctx_to_sigctx (MonoContext *mctx, void *sigctx);
820 #endif /* __MONO_MONO_CONTEXT_H__ */