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__
13 #include "mono-compiler.h"
14 #include "mono-sigcontext.h"
15 #include "mono-machine.h"
21 #define MONO_CONTEXT_OFFSET(field, index, field_type) \
22 "i" (offsetof (MonoContext, field) + (index) * sizeof (field_type))
24 #if defined(__APPLE__)
25 typedef struct __darwin_xmm_reg MonoContextSimdReg;
29 * General notes about mono-context.
30 * Each arch defines a MonoContext struct with all GPR regs + IP/PC.
31 * IP/PC should be the last element of the struct (this is a mild sgen constraint we could drop if needed)
32 * Macros to get/set BP, SP and IP are defined too.
33 * MONO_CONTEXT_GET_CURRENT captures the current context as close as possible. One reg might be clobbered
34 * to hold the address of the target MonoContext. It will be a caller save one, so should not be a problem.
36 #if (defined(__i386__) && !defined(MONO_CROSS_COMPILE)) || (defined(TARGET_X86))
38 /*HACK, move this to an eventual mono-signal.c*/
39 #if defined( __linux__) || defined(__sun) || defined(__APPLE__) || defined(__NetBSD__) || \
40 defined(__FreeBSD__) || defined(__OpenBSD__)
41 #if defined(HAVE_SIGACTION) || defined(__APPLE__) // the __APPLE__ check is required for the tvos simulator, which has ucontext_t but not sigaction
42 #define MONO_SIGNAL_USE_UCONTEXT_T 1
46 #if defined(__native_client__)
47 #undef MONO_SIGNAL_USE_UCONTEXT_T
51 /* sigcontext surrogate */
65 #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
66 # define SC_EAX sc_eax
67 # define SC_EBX sc_ebx
68 # define SC_ECX sc_ecx
69 # define SC_EDX sc_edx
70 # define SC_EBP sc_ebp
71 # define SC_EIP sc_eip
72 # define SC_ESP sc_esp
73 # define SC_EDI sc_edi
74 # define SC_ESI sc_esi
75 #elif defined(__HAIKU__)
76 # define SC_EAX regs.eax
77 # define SC_EBX regs._reserved_2[2]
78 # define SC_ECX regs.ecx
79 # define SC_EDX regs.edx
80 # define SC_EBP regs.ebp
81 # define SC_EIP regs.eip
82 # define SC_ESP regs.esp
83 # define SC_EDI regs._reserved_2[0]
84 # define SC_ESI regs._reserved_2[1]
97 #include <mono/arch/x86/x86-codegen.h>
110 MonoContextSimdReg fregs [X86_XMM_NREG];
114 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->eip = (mgreg_t)(ip); } while (0);
115 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->ebp = (mgreg_t)(bp); } while (0);
116 #define MONO_CONTEXT_SET_SP(ctx,sp) do { (ctx)->esp = (mgreg_t)(sp); } while (0);
118 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->eip))
119 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->ebp))
120 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->esp))
122 /*We set EAX to zero since we are clobering it anyway*/
124 #define MONO_CONTEXT_GET_CURRENT(ctx) do { \
125 void *_ptr = &(ctx); \
127 __asm mov eax, _ptr \
128 __asm mov [eax+0x00], eax \
129 __asm mov [eax+0x04], ebx \
130 __asm mov [eax+0x08], ecx \
131 __asm mov [eax+0x0c], edx \
132 __asm mov [eax+0x10], ebp \
133 __asm mov [eax+0x14], esp \
134 __asm mov [eax+0x18], esi \
135 __asm mov [eax+0x1c], edi \
136 __asm call __mono_context_get_ip \
137 __asm __mono_context_get_ip: \
138 __asm pop dword ptr [eax+0x20] \
142 #define MONO_CONTEXT_GET_CURRENT(ctx) \
143 __asm__ __volatile__( \
144 "movl $0x0, %c[eax](%0)\n" \
145 "mov %%ebx, %c[ebx](%0)\n" \
146 "mov %%ecx, %c[ecx](%0)\n" \
147 "mov %%edx, %c[edx](%0)\n" \
148 "mov %%ebp, %c[ebp](%0)\n" \
149 "mov %%esp, %c[esp](%0)\n" \
150 "mov %%esi, %c[esi](%0)\n" \
151 "mov %%edi, %c[edi](%0)\n" \
153 "1: pop 0x20(%0)\n" \
156 [eax] MONO_CONTEXT_OFFSET (eax, 0, mgreg_t), \
157 [ebx] MONO_CONTEXT_OFFSET (ebx, 0, mgreg_t), \
158 [ecx] MONO_CONTEXT_OFFSET (ecx, 0, mgreg_t), \
159 [edx] MONO_CONTEXT_OFFSET (edx, 0, mgreg_t), \
160 [ebp] MONO_CONTEXT_OFFSET (ebp, 0, mgreg_t), \
161 [esp] MONO_CONTEXT_OFFSET (esp, 0, mgreg_t), \
162 [esi] MONO_CONTEXT_OFFSET (esi, 0, mgreg_t), \
163 [edi] MONO_CONTEXT_OFFSET (edi, 0, mgreg_t) \
167 #define MONO_ARCH_HAS_MONO_CONTEXT 1
169 #elif (defined(__x86_64__) && !defined(MONO_CROSS_COMPILE)) || (defined(TARGET_AMD64)) /* defined(__i386__) */
171 #include <mono/arch/amd64/amd64-codegen.h>
173 #if !defined( HOST_WIN32 ) && !defined(__native_client__) && !defined(__native_client_codegen__)
175 #if defined(HAVE_SIGACTION) || defined(__APPLE__) // the __APPLE__ check is required for the tvos simulator, which has ucontext_t but not sigaction
176 #define MONO_SIGNAL_USE_UCONTEXT_T 1
182 mgreg_t gregs [AMD64_NREG];
184 MonoContextSimdReg fregs [AMD64_XMM_NREG];
186 double fregs [AMD64_XMM_NREG];
190 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->gregs [AMD64_RIP] = (mgreg_t)(ip); } while (0);
191 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->gregs [AMD64_RBP] = (mgreg_t)(bp); } while (0);
192 #define MONO_CONTEXT_SET_SP(ctx,esp) do { (ctx)->gregs [AMD64_RSP] = (mgreg_t)(esp); } while (0);
194 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->gregs [AMD64_RIP]))
195 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->gregs [AMD64_RBP]))
196 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->gregs [AMD64_RSP]))
198 #if defined (HOST_WIN32) && !defined(__GNUC__)
199 /* msvc doesn't support inline assembly, so have to use a separate .asm file */
200 extern void mono_context_get_current (void *);
201 #define MONO_CONTEXT_GET_CURRENT(ctx) do { mono_context_get_current((void*)&(ctx)); } while (0)
203 #elif defined(__native_client__)
204 #define MONO_CONTEXT_GET_CURRENT(ctx) \
205 __asm__ __volatile__( \
206 "movq $0x0, %%nacl:0x00(%%r15, %0, 1)\n" \
207 "movq %%rcx, %%nacl:0x08(%%r15, %0, 1)\n" \
208 "movq %%rdx, %%nacl:0x10(%%r15, %0, 1)\n" \
209 "movq %%rbx, %%nacl:0x18(%%r15, %0, 1)\n" \
210 "movq %%rsp, %%nacl:0x20(%%r15, %0, 1)\n" \
211 "movq %%rbp, %%nacl:0x28(%%r15, %0, 1)\n" \
212 "movq %%rsi, %%nacl:0x30(%%r15, %0, 1)\n" \
213 "movq %%rdi, %%nacl:0x38(%%r15, %0, 1)\n" \
214 "movq %%r8, %%nacl:0x40(%%r15, %0, 1)\n" \
215 "movq %%r9, %%nacl:0x48(%%r15, %0, 1)\n" \
216 "movq %%r10, %%nacl:0x50(%%r15, %0, 1)\n" \
217 "movq %%r11, %%nacl:0x58(%%r15, %0, 1)\n" \
218 "movq %%r12, %%nacl:0x60(%%r15, %0, 1)\n" \
219 "movq %%r13, %%nacl:0x68(%%r15, %0, 1)\n" \
220 "movq %%r14, %%nacl:0x70(%%r15, %0, 1)\n" \
221 "movq %%r15, %%nacl:0x78(%%r15, %0, 1)\n" \
222 "leaq (%%rip), %%rdx\n" \
223 "movq %%rdx, %%nacl:0x80(%%r15, %0, 1)\n" \
225 : "a" ((int64_t)&(ctx)) \
229 #define MONO_CONTEXT_GET_CURRENT_GREGS(ctx) \
231 __asm__ __volatile__( \
232 "movq $0x0, %c[rax](%0)\n" \
233 "movq %%rcx, %c[rcx](%0)\n" \
234 "movq %%rdx, %c[rdx](%0)\n" \
235 "movq %%rbx, %c[rbx](%0)\n" \
236 "movq %%rsp, %c[rsp](%0)\n" \
237 "movq %%rbp, %c[rbp](%0)\n" \
238 "movq %%rsi, %c[rsi](%0)\n" \
239 "movq %%rdi, %c[rdi](%0)\n" \
240 "movq %%r8, %c[r8](%0)\n" \
241 "movq %%r9, %c[r9](%0)\n" \
242 "movq %%r10, %c[r10](%0)\n" \
243 "movq %%r11, %c[r11](%0)\n" \
244 "movq %%r12, %c[r12](%0)\n" \
245 "movq %%r13, %c[r13](%0)\n" \
246 "movq %%r14, %c[r14](%0)\n" \
247 "movq %%r15, %c[r15](%0)\n" \
248 /* "leaq (%%rip), %%rdx\n" is not understood by icc */ \
249 ".byte 0x48, 0x8d, 0x15, 0x00, 0x00, 0x00, 0x00\n" \
250 "movq %%rdx, %c[rip](%0)\n" \
253 [rax] MONO_CONTEXT_OFFSET (gregs, AMD64_RAX, mgreg_t), \
254 [rcx] MONO_CONTEXT_OFFSET (gregs, AMD64_RCX, mgreg_t), \
255 [rdx] MONO_CONTEXT_OFFSET (gregs, AMD64_RDX, mgreg_t), \
256 [rbx] MONO_CONTEXT_OFFSET (gregs, AMD64_RBX, mgreg_t), \
257 [rsp] MONO_CONTEXT_OFFSET (gregs, AMD64_RSP, mgreg_t), \
258 [rbp] MONO_CONTEXT_OFFSET (gregs, AMD64_RBP, mgreg_t), \
259 [rsi] MONO_CONTEXT_OFFSET (gregs, AMD64_RSI, mgreg_t), \
260 [rdi] MONO_CONTEXT_OFFSET (gregs, AMD64_RDI, mgreg_t), \
261 [r8] MONO_CONTEXT_OFFSET (gregs, AMD64_R8, mgreg_t), \
262 [r9] MONO_CONTEXT_OFFSET (gregs, AMD64_R9, mgreg_t), \
263 [r10] MONO_CONTEXT_OFFSET (gregs, AMD64_R10, mgreg_t), \
264 [r11] MONO_CONTEXT_OFFSET (gregs, AMD64_R11, mgreg_t), \
265 [r12] MONO_CONTEXT_OFFSET (gregs, AMD64_R12, mgreg_t), \
266 [r13] MONO_CONTEXT_OFFSET (gregs, AMD64_R13, mgreg_t), \
267 [r14] MONO_CONTEXT_OFFSET (gregs, AMD64_R14, mgreg_t), \
268 [r15] MONO_CONTEXT_OFFSET (gregs, AMD64_R15, mgreg_t), \
269 [rip] MONO_CONTEXT_OFFSET (gregs, AMD64_RIP, mgreg_t) \
270 : "rdx", "memory"); \
273 #ifdef UCONTEXT_REG_XMM
274 #define MONO_CONTEXT_GET_CURRENT_FREGS(ctx) \
276 __asm__ __volatile__ ( \
277 "movups %%xmm0, %c[xmm0](%0)\n" \
278 "movups %%xmm1, %c[xmm1](%0)\n" \
279 "movups %%xmm2, %c[xmm2](%0)\n" \
280 "movups %%xmm3, %c[xmm3](%0)\n" \
281 "movups %%xmm4, %c[xmm4](%0)\n" \
282 "movups %%xmm5, %c[xmm5](%0)\n" \
283 "movups %%xmm6, %c[xmm6](%0)\n" \
284 "movups %%xmm7, %c[xmm7](%0)\n" \
285 "movups %%xmm8, %c[xmm8](%0)\n" \
286 "movups %%xmm9, %c[xmm9](%0)\n" \
287 "movups %%xmm10, %c[xmm10](%0)\n" \
288 "movups %%xmm11, %c[xmm11](%0)\n" \
289 "movups %%xmm12, %c[xmm12](%0)\n" \
290 "movups %%xmm12, %c[xmm12](%0)\n" \
291 "movups %%xmm14, %c[xmm14](%0)\n" \
292 "movups %%xmm15, %c[xmm15](%0)\n" \
295 [xmm0] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM0, MonoContextSimdReg), \
296 [xmm1] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM1, MonoContextSimdReg), \
297 [xmm2] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM2, MonoContextSimdReg), \
298 [xmm3] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM3, MonoContextSimdReg), \
299 [xmm4] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM4, MonoContextSimdReg), \
300 [xmm5] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM5, MonoContextSimdReg), \
301 [xmm6] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM6, MonoContextSimdReg), \
302 [xmm7] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM7, MonoContextSimdReg), \
303 [xmm8] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM8, MonoContextSimdReg), \
304 [xmm9] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM9, MonoContextSimdReg), \
305 [xmm10] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM10, MonoContextSimdReg), \
306 [xmm11] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM11, MonoContextSimdReg), \
307 [xmm12] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM12, MonoContextSimdReg), \
308 [xmm13] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM13, MonoContextSimdReg), \
309 [xmm14] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM14, MonoContextSimdReg), \
310 [xmm15] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM15, MonoContextSimdReg)); \
313 #define MONO_CONTEXT_GET_CURRENT_FREGS(ctx)
316 #define MONO_CONTEXT_GET_CURRENT(ctx) \
318 MONO_CONTEXT_GET_CURRENT_GREGS(ctx); \
319 MONO_CONTEXT_GET_CURRENT_FREGS(ctx); \
323 #define MONO_ARCH_HAS_MONO_CONTEXT 1
325 #elif (defined(__arm__) && !defined(MONO_CROSS_COMPILE)) || (defined(TARGET_ARM)) /* defined(__x86_64__) */
327 #include <mono/arch/arm/arm-codegen.h>
336 /* we have the stack pointer, not the base pointer in sigcontext */
337 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->pc = (mgreg_t)ip; } while (0);
338 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->regs [ARMREG_FP] = (mgreg_t)bp; } while (0);
339 #define MONO_CONTEXT_SET_SP(ctx,bp) do { (ctx)->regs [ARMREG_SP] = (mgreg_t)bp; } while (0);
341 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->pc))
342 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->regs [ARMREG_FP]))
343 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->regs [ARMREG_SP]))
345 #if defined(HOST_WATCHOS)
347 #define MONO_CONTEXT_GET_CURRENT(ctx) do { \
349 ctx.regs [ARMREG_SP] = &_dummy; \
354 #define MONO_CONTEXT_GET_CURRENT(ctx) do { \
355 __asm__ __volatile__( \
359 "ldr r1, [sp, #4]\n" \
360 "str r1, [r0], #4\n" \
361 "ldr r1, [sp, #0]\n" \
362 "str r1, [r0], #4\n" \
363 "stmia r0!, {r2-r12}\n" \
364 "str sp, [r0], #4\n" \
365 "str lr, [r0], #4\n" \
367 "str r1, [r0], #4\n" \
374 ctx.pc = ctx.regs [15]; \
379 #define MONO_ARCH_HAS_MONO_CONTEXT 1
381 #elif (defined(__aarch64__) && !defined(MONO_CROSS_COMPILE)) || (defined(TARGET_ARM64))
383 #include <mono/arch/arm64/arm64-codegen.h>
390 * fregs might not be initialized if this context was created from a
396 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->pc = (mgreg_t)ip; } while (0)
397 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->regs [ARMREG_FP] = (mgreg_t)bp; } while (0);
398 #define MONO_CONTEXT_SET_SP(ctx,bp) do { (ctx)->regs [ARMREG_SP] = (mgreg_t)bp; } while (0);
400 #define MONO_CONTEXT_GET_IP(ctx) (gpointer)((ctx)->pc)
401 #define MONO_CONTEXT_GET_BP(ctx) (gpointer)((ctx)->regs [ARMREG_FP])
402 #define MONO_CONTEXT_GET_SP(ctx) (gpointer)((ctx)->regs [ARMREG_SP])
404 #if defined (HOST_APPLETVOS)
406 #define MONO_CONTEXT_GET_CURRENT(ctx) do { \
407 arm_unified_thread_state_t thread_state; \
408 int state_flavor = ARM_UNIFIED_THREAD_STATE; \
409 unsigned state_count = ARM_UNIFIED_THREAD_STATE_COUNT; \
410 thread_port_t self = mach_thread_self (); \
411 kern_return_t ret = thread_get_state (self, state_flavor, (thread_state_t) &thread_state, &state_count); \
412 g_assert (ret == 0); \
413 mono_mach_arch_thread_states_to_mono_context ((thread_state_t)&thread_state, (thread_state_t)NULL, &ctx); \
414 mach_port_deallocate (current_task (), self); \
419 #define MONO_CONTEXT_GET_CURRENT(ctx) do { \
420 __asm__ __volatile__( \
422 "stp x0, x1, [x16], #16\n" \
423 "stp x2, x3, [x16], #16\n" \
424 "stp x4, x5, [x16], #16\n" \
425 "stp x6, x7, [x16], #16\n" \
426 "stp x8, x9, [x16], #16\n" \
427 "stp x10, x11, [x16], #16\n" \
428 "stp x12, x13, [x16], #16\n" \
429 "stp x14, x15, [x16], #16\n" \
430 "stp xzr, x17, [x16], #16\n" \
431 "stp x18, x19, [x16], #16\n" \
432 "stp x20, x21, [x16], #16\n" \
433 "stp x22, x23, [x16], #16\n" \
434 "stp x24, x25, [x16], #16\n" \
435 "stp x26, x27, [x16], #16\n" \
436 "stp x28, x29, [x16], #16\n" \
437 "stp x30, xzr, [x16]\n" \
439 "str x30, [x16, #8]\n" \
444 __asm__ __volatile__( \
455 #define MONO_ARCH_HAS_MONO_CONTEXT 1
457 #elif defined(__mono_ppc__) /* defined(__arm__) */
459 /* we define our own structure and we'll copy the data
460 * from sigcontext/ucontext/mach when we need it.
461 * This also makes us save stack space and time when copying
462 * We might also want to add an additional field to propagate
463 * the original context from the signal handler.
465 #ifdef __mono_ppc64__
474 /* we have the stack pointer, not the base pointer in sigcontext */
475 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->sc_ir = (gulong)ip; } while (0);
476 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->sc_sp = (gulong)bp; } while (0);
477 #define MONO_CONTEXT_SET_SP(ctx,sp) do { (ctx)->sc_sp = (gulong)sp; } while (0);
479 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->sc_ir))
480 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->regs [ppc_r31-13]))
481 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->sc_sp))
483 #define MONO_CONTEXT_GET_CURRENT(ctx) \
484 __asm__ __volatile__( \
487 "std 0, 8*0+16(%0)\n" \
488 "std 1, 8*1+16(%0)\n" \
489 "std 2, 8*2+16(%0)\n" \
490 "std 3, 8*3+16(%0)\n" \
491 "std 4, 8*4+16(%0)\n" \
492 "std 5, 8*5+16(%0)\n" \
493 "std 6, 8*6+16(%0)\n" \
494 "std 7, 8*7+16(%0)\n" \
495 "std 8, 8*8+16(%0)\n" \
496 "std 9, 8*9+16(%0)\n" \
497 "std 10, 8*10+16(%0)\n" \
498 "std 11, 8*11+16(%0)\n" \
499 "std 12, 8*12+16(%0)\n" \
500 "std 13, 8*13+16(%0)\n" \
501 "std 14, 8*14+16(%0)\n" \
502 "std 15, 8*15+16(%0)\n" \
503 "std 16, 8*16+16(%0)\n" \
504 "std 17, 8*17+16(%0)\n" \
505 "std 18, 8*18+16(%0)\n" \
506 "std 19, 8*19+16(%0)\n" \
507 "std 20, 8*20+16(%0)\n" \
508 "std 21, 8*21+16(%0)\n" \
509 "std 22, 8*22+16(%0)\n" \
510 "std 23, 8*23+16(%0)\n" \
511 "std 24, 8*24+16(%0)\n" \
512 "std 25, 8*25+16(%0)\n" \
513 "std 26, 8*26+16(%0)\n" \
514 "std 27, 8*27+16(%0)\n" \
515 "std 28, 8*28+16(%0)\n" \
516 "std 29, 8*29+16(%0)\n" \
517 "std 30, 8*30+16(%0)\n" \
518 "std 31, 8*31+16(%0)\n" \
519 "stfd 0, 8*0+8*32+16(%0)\n" \
520 "stfd 1, 8*1+8*32+16(%0)\n" \
521 "stfd 2, 8*2+8*32+16(%0)\n" \
522 "stfd 3, 8*3+8*32+16(%0)\n" \
523 "stfd 4, 8*4+8*32+16(%0)\n" \
524 "stfd 5, 8*5+8*32+16(%0)\n" \
525 "stfd 6, 8*6+8*32+16(%0)\n" \
526 "stfd 7, 8*7+8*32+16(%0)\n" \
527 "stfd 8, 8*8+8*32+16(%0)\n" \
528 "stfd 9, 8*9+8*32+16(%0)\n" \
529 "stfd 10, 8*10+8*32+16(%0)\n" \
530 "stfd 11, 8*11+8*32+16(%0)\n" \
531 "stfd 12, 8*12+8*32+16(%0)\n" \
532 "stfd 13, 8*13+8*32+16(%0)\n" \
533 "stfd 14, 8*14+8*32+16(%0)\n" \
534 "stfd 15, 8*15+8*32+16(%0)\n" \
535 "stfd 16, 8*16+8*32+16(%0)\n" \
536 "stfd 17, 8*17+8*32+16(%0)\n" \
537 "stfd 18, 8*18+8*32+16(%0)\n" \
538 "stfd 19, 8*19+8*32+16(%0)\n" \
539 "stfd 20, 8*20+8*32+16(%0)\n" \
540 "stfd 21, 8*21+8*32+16(%0)\n" \
541 "stfd 22, 8*22+8*32+16(%0)\n" \
542 "stfd 23, 8*23+8*32+16(%0)\n" \
543 "stfd 24, 8*24+8*32+16(%0)\n" \
544 "stfd 25, 8*25+8*32+16(%0)\n" \
545 "stfd 26, 8*26+8*32+16(%0)\n" \
546 "stfd 27, 8*27+8*32+16(%0)\n" \
547 "stfd 28, 8*28+8*32+16(%0)\n" \
548 "stfd 29, 8*29+8*32+16(%0)\n" \
549 "stfd 30, 8*30+8*32+16(%0)\n" \
550 "stfd 31, 8*31+8*32+16(%0)\n" \
555 #else /* !defined(__mono_ppc64__) */
564 /* we have the stack pointer, not the base pointer in sigcontext */
565 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->sc_ir = (mgreg_t)ip; } while (0);
566 /* FIXME: should be called SET_SP */
567 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->sc_sp = (mgreg_t)bp; } while (0);
568 #define MONO_CONTEXT_SET_SP(ctx,sp) do { (ctx)->sc_sp = (mgreg_t)sp; } while (0);
570 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->sc_ir))
571 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->regs [ppc_r31-13]))
572 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->sc_sp))
574 #define MONO_CONTEXT_GET_CURRENT(ctx) \
575 __asm__ __volatile__( \
578 "std 0, 4*0+8(%0)\n" \
579 "std 1, 4*1+8(%0)\n" \
580 "std 2, 4*2+8(%0)\n" \
581 "std 3, 4*3+8(%0)\n" \
582 "std 4, 4*4+8(%0)\n" \
583 "std 5, 4*5+8(%0)\n" \
584 "std 6, 4*6+8(%0)\n" \
585 "std 7, 4*7+8(%0)\n" \
586 "std 8, 4*8+8(%0)\n" \
587 "std 9, 4*9+8(%0)\n" \
588 "std 10, 4*10+8(%0)\n" \
589 "std 11, 4*11+8(%0)\n" \
590 "std 12, 4*12+8(%0)\n" \
591 "std 13, 4*13+8(%0)\n" \
592 "std 14, 4*14+8(%0)\n" \
593 "std 15, 4*15+8(%0)\n" \
594 "std 16, 4*16+8(%0)\n" \
595 "std 17, 4*17+8(%0)\n" \
596 "std 18, 4*18+8(%0)\n" \
597 "std 19, 4*19+8(%0)\n" \
598 "std 20, 4*20+8(%0)\n" \
599 "std 21, 4*21+8(%0)\n" \
600 "std 22, 4*22+8(%0)\n" \
601 "std 23, 4*23+8(%0)\n" \
602 "std 24, 4*24+8(%0)\n" \
603 "std 25, 4*25+8(%0)\n" \
604 "std 26, 4*26+8(%0)\n" \
605 "std 27, 4*27+8(%0)\n" \
606 "std 28, 4*28+8(%0)\n" \
607 "std 29, 4*29+8(%0)\n" \
608 "std 30, 4*30+8(%0)\n" \
609 "std 31, 4*31+8(%0)\n" \
610 "stfd 0, 8*0+4*32+8(%0)\n" \
611 "stfd 1, 8*1+4*32+8(%0)\n" \
612 "stfd 2, 8*2+4*32+8(%0)\n" \
613 "stfd 3, 8*3+4*32+8(%0)\n" \
614 "stfd 4, 8*4+4*32+8(%0)\n" \
615 "stfd 5, 8*5+4*32+8(%0)\n" \
616 "stfd 6, 8*6+4*32+8(%0)\n" \
617 "stfd 7, 8*7+4*32+8(%0)\n" \
618 "stfd 8, 8*8+4*32+8(%0)\n" \
619 "stfd 9, 8*9+4*32+8(%0)\n" \
620 "stfd 10, 8*10+4*32+8(%0)\n" \
621 "stfd 11, 8*11+4*32+8(%0)\n" \
622 "stfd 12, 8*12+4*32+8(%0)\n" \
623 "stfd 13, 8*13+4*32+8(%0)\n" \
624 "stfd 14, 8*14+4*32+8(%0)\n" \
625 "stfd 15, 8*15+4*32+8(%0)\n" \
626 "stfd 16, 8*16+4*32+8(%0)\n" \
627 "stfd 17, 8*17+4*32+8(%0)\n" \
628 "stfd 18, 8*18+4*32+8(%0)\n" \
629 "stfd 19, 8*19+4*32+8(%0)\n" \
630 "stfd 20, 8*20+4*32+8(%0)\n" \
631 "stfd 21, 8*21+4*32+8(%0)\n" \
632 "stfd 22, 8*22+4*32+8(%0)\n" \
633 "stfd 23, 8*23+4*32+8(%0)\n" \
634 "stfd 24, 8*24+4*32+8(%0)\n" \
635 "stfd 25, 8*25+4*32+8(%0)\n" \
636 "stfd 26, 8*26+4*32+8(%0)\n" \
637 "stfd 27, 8*27+4*32+8(%0)\n" \
638 "stfd 28, 8*28+4*32+8(%0)\n" \
639 "stfd 29, 8*29+4*32+8(%0)\n" \
640 "stfd 30, 8*30+4*32+8(%0)\n" \
641 "stfd 31, 8*31+4*32+8(%0)\n" \
648 #define MONO_ARCH_HAS_MONO_CONTEXT 1
650 #elif defined(__sparc__) || defined(sparc) /* defined(__mono_ppc__) */
652 typedef struct MonoContext {
659 #define MONO_CONTEXT_SET_IP(ctx,eip) do { (ctx)->ip = (gpointer)(eip); } while (0);
660 #define MONO_CONTEXT_SET_BP(ctx,ebp) do { (ctx)->fp = (gpointer*)(ebp); } while (0);
661 #define MONO_CONTEXT_SET_SP(ctx,esp) do { (ctx)->sp = (gpointer*)(esp); } while (0);
663 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->ip))
664 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->fp))
665 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->sp))
668 #define MONO_CONTEXT_GET_CURRENT(ctx) \
669 __asm__ __volatile__( \
671 "st %%g2,[%0+0x08]\n" \
672 "st %%g3,[%0+0x10]\n" \
673 "st %%g4,[%0+0x18]\n" \
674 "st %%g5,[%0+0x20]\n" \
675 "st %%g6,[%0+0x28]\n" \
676 "st %%g7,[%0+0x30]\n" \
677 "st %%o0,[%0+0x38]\n" \
678 "st %%o1,[%0+0x40]\n" \
679 "st %%o2,[%0+0x48]\n" \
680 "st %%o3,[%0+0x50]\n" \
681 "st %%o4,[%0+0x58]\n" \
682 "st %%o5,[%0+0x60]\n" \
683 "st %%o6,[%0+0x68]\n" \
684 "st %%o7,[%0+0x70]\n" \
690 #define MONO_CONTEXT_GET_CURRENT(ctx) \
691 __asm__ __volatile__( \
693 "st %%g2,[%0+0x04]\n" \
694 "st %%g3,[%0+0x08]\n" \
695 "st %%g4,[%0+0x0c]\n" \
696 "st %%g5,[%0+0x10]\n" \
697 "st %%g6,[%0+0x14]\n" \
698 "st %%g7,[%0+0x18]\n" \
699 "st %%o0,[%0+0x1c]\n" \
700 "st %%o1,[%0+0x20]\n" \
701 "st %%o2,[%0+0x24]\n" \
702 "st %%o3,[%0+0x28]\n" \
703 "st %%o4,[%0+0x2c]\n" \
704 "st %%o5,[%0+0x30]\n" \
705 "st %%o6,[%0+0x34]\n" \
706 "st %%o7,[%0+0x38]\n" \
713 #define MONO_ARCH_HAS_MONO_CONTEXT 1
715 #elif defined(__ia64__) /*defined(__sparc__) || defined(sparc) */
717 #ifndef UNW_LOCAL_ONLY
719 #define UNW_LOCAL_ONLY
720 #include <libunwind.h>
724 typedef struct MonoContext {
726 /* Whenever the ip in 'cursor' points to the ip where the exception happened */
727 /* This is true for the initial context for exceptions thrown from signal handlers */
731 /*XXX SET_BP is missing*/
732 #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)
733 #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)
735 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)(mono_ia64_context_get_ip ((ctx))))
736 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)(mono_ia64_context_get_fp ((ctx))))
737 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)(mono_ia64_context_get_sp ((ctx))))
739 static inline unw_word_t
740 mono_ia64_context_get_ip (MonoContext *ctx)
745 err = unw_get_reg (&ctx->cursor, UNW_IA64_IP, &ip);
748 if (ctx->precise_ip) {
751 /* Subtrack 1 so ip points into the actual instruction */
756 static inline unw_word_t
757 mono_ia64_context_get_sp (MonoContext *ctx)
762 err = unw_get_reg (&ctx->cursor, UNW_IA64_SP, &sp);
768 static inline unw_word_t
769 mono_ia64_context_get_fp (MonoContext *ctx)
771 unw_cursor_t new_cursor;
778 err = unw_get_reg (&ctx->cursor, UNW_IA64_SP, &sp);
781 err = unw_get_reg (&ctx->cursor, UNW_IA64_IP, &ip);
785 /* fp is the SP of the parent frame */
786 new_cursor = ctx->cursor;
788 err = unw_step (&new_cursor);
791 err = unw_get_reg (&new_cursor, UNW_IA64_SP, &fp);
797 #elif ((defined(__mips__) && !defined(MONO_CROSS_COMPILE)) || (defined(TARGET_MIPS))) && SIZEOF_REGISTER == 4 /* defined(__ia64__) */
799 #define MONO_ARCH_HAS_MONO_CONTEXT 1
801 #include <mono/arch/mips/mips-codegen.h>
805 mgreg_t sc_regs [32];
806 gfloat sc_fpregs [32];
809 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->sc_pc = (mgreg_t)(ip); } while (0);
810 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->sc_regs[mips_fp] = (mgreg_t)(bp); } while (0);
811 #define MONO_CONTEXT_SET_SP(ctx,sp) do { (ctx)->sc_regs[mips_sp] = (mgreg_t)(sp); } while (0);
813 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->sc_pc))
814 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->sc_regs[mips_fp]))
815 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->sc_regs[mips_sp]))
817 #define MONO_CONTEXT_GET_CURRENT(ctx) \
818 __asm__ __volatile__( \
829 "sw $10,40(%0)\n\t" \
830 "sw $11,44(%0)\n\t" \
831 "sw $12,48(%0)\n\t" \
832 "sw $13,52(%0)\n\t" \
833 "sw $14,56(%0)\n\t" \
834 "sw $15,60(%0)\n\t" \
835 "sw $16,64(%0)\n\t" \
836 "sw $17,68(%0)\n\t" \
837 "sw $18,72(%0)\n\t" \
838 "sw $19,76(%0)\n\t" \
839 "sw $20,80(%0)\n\t" \
840 "sw $21,84(%0)\n\t" \
841 "sw $22,88(%0)\n\t" \
842 "sw $23,92(%0)\n\t" \
843 "sw $24,96(%0)\n\t" \
844 "sw $25,100(%0)\n\t" \
845 "sw $26,104(%0)\n\t" \
846 "sw $27,108(%0)\n\t" \
847 "sw $28,112(%0)\n\t" \
848 "sw $29,116(%0)\n\t" \
849 "sw $30,120(%0)\n\t" \
850 "sw $31,124(%0)\n\t" \
851 : : "r" (&(ctx).sc_regs [0]) \
855 #elif defined(__s390x__)
857 #define MONO_ARCH_HAS_MONO_CONTEXT 1
859 typedef struct ucontext MonoContext;
861 #define MONO_CONTEXT_SET_IP(ctx,ip) \
863 (ctx)->uc_mcontext.gregs[14] = (unsigned long)ip; \
864 (ctx)->uc_mcontext.psw.addr = (unsigned long)ip; \
867 #define MONO_CONTEXT_SET_SP(ctx,bp) MONO_CONTEXT_SET_BP((ctx),(bp))
868 #define MONO_CONTEXT_SET_BP(ctx,bp) \
870 (ctx)->uc_mcontext.gregs[15] = (unsigned long)bp; \
871 (ctx)->uc_stack.ss_sp = (void*)bp; \
874 #define MONO_CONTEXT_GET_IP(ctx) (gpointer) (ctx)->uc_mcontext.psw.addr
875 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->uc_mcontext.gregs[15]))
876 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->uc_mcontext.gregs[11]))
878 #define MONO_CONTEXT_GET_CURRENT(ctx) \
879 __asm__ __volatile__( \
880 "stmg %%r0,%%r15,0(%0)\n" \
881 : : "r" (&(ctx).uc_mcontext.gregs[0]) \
887 #error "Implement mono-context for the current arch"
892 * The naming is misleading, the SIGCTX argument should be the platform's context
893 * structure (ucontext_c on posix, CONTEXT on windows).
895 void mono_sigctx_to_monoctx (void *sigctx, MonoContext *mctx);
898 * This will not completely initialize SIGCTX since MonoContext contains less
899 * information that the system context. The caller should obtain a SIGCTX from
900 * the system, and use this function to override the parts of it which are
901 * also in MonoContext.
903 void mono_monoctx_to_sigctx (MonoContext *mctx, void *sigctx);
905 #endif /* __MONO_MONO_CONTEXT_H__ */