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] \
143 #define MONO_CONTEXT_GET_CURRENT_GREGS(ctx) \
144 __asm__ __volatile__( \
145 "movl $0x0, %c[eax](%0)\n" \
146 "mov %%ebx, %c[ebx](%0)\n" \
147 "mov %%ecx, %c[ecx](%0)\n" \
148 "mov %%edx, %c[edx](%0)\n" \
149 "mov %%ebp, %c[ebp](%0)\n" \
150 "mov %%esp, %c[esp](%0)\n" \
151 "mov %%esi, %c[esi](%0)\n" \
152 "mov %%edi, %c[edi](%0)\n" \
154 "1: pop 0x20(%0)\n" \
157 [eax] MONO_CONTEXT_OFFSET (eax, 0, mgreg_t), \
158 [ebx] MONO_CONTEXT_OFFSET (ebx, 0, mgreg_t), \
159 [ecx] MONO_CONTEXT_OFFSET (ecx, 0, mgreg_t), \
160 [edx] MONO_CONTEXT_OFFSET (edx, 0, mgreg_t), \
161 [ebp] MONO_CONTEXT_OFFSET (ebp, 0, mgreg_t), \
162 [esp] MONO_CONTEXT_OFFSET (esp, 0, mgreg_t), \
163 [esi] MONO_CONTEXT_OFFSET (esi, 0, mgreg_t), \
164 [edi] MONO_CONTEXT_OFFSET (edi, 0, mgreg_t) \
167 #ifdef UCONTEXT_REG_XMM
168 #define MONO_CONTEXT_GET_CURRENT_FREGS(ctx) \
170 __asm__ __volatile__ ( \
171 "movups %%xmm0, %c[xmm0](%0)\n" \
172 "movups %%xmm1, %c[xmm1](%0)\n" \
173 "movups %%xmm2, %c[xmm2](%0)\n" \
174 "movups %%xmm3, %c[xmm3](%0)\n" \
175 "movups %%xmm4, %c[xmm4](%0)\n" \
176 "movups %%xmm5, %c[xmm5](%0)\n" \
177 "movups %%xmm6, %c[xmm6](%0)\n" \
178 "movups %%xmm7, %c[xmm7](%0)\n" \
181 [xmm0] MONO_CONTEXT_OFFSET (fregs, X86_XMM0, MonoContextSimdReg), \
182 [xmm1] MONO_CONTEXT_OFFSET (fregs, X86_XMM1, MonoContextSimdReg), \
183 [xmm2] MONO_CONTEXT_OFFSET (fregs, X86_XMM2, MonoContextSimdReg), \
184 [xmm3] MONO_CONTEXT_OFFSET (fregs, X86_XMM3, MonoContextSimdReg), \
185 [xmm4] MONO_CONTEXT_OFFSET (fregs, X86_XMM4, MonoContextSimdReg), \
186 [xmm5] MONO_CONTEXT_OFFSET (fregs, X86_XMM5, MonoContextSimdReg), \
187 [xmm6] MONO_CONTEXT_OFFSET (fregs, X86_XMM6, MonoContextSimdReg), \
188 [xmm7] MONO_CONTEXT_OFFSET (fregs, X86_XMM7, MonoContextSimdReg), \
191 #define MONO_CONTEXT_GET_CURRENT_FREGS(ctx)
194 #define MONO_CONTEXT_GET_CURRENT(ctx) \
196 MONO_CONTEXT_GET_CURRENT_GREGS(ctx); \
197 MONO_CONTEXT_GET_CURRENT_FREGS(ctx); \
202 #define MONO_ARCH_HAS_MONO_CONTEXT 1
204 #elif (defined(__x86_64__) && !defined(MONO_CROSS_COMPILE)) || (defined(TARGET_AMD64)) /* defined(__i386__) */
206 #include <mono/arch/amd64/amd64-codegen.h>
208 #if !defined( HOST_WIN32 ) && !defined(__native_client__) && !defined(__native_client_codegen__)
210 #if defined(HAVE_SIGACTION) || defined(__APPLE__) // the __APPLE__ check is required for the tvos simulator, which has ucontext_t but not sigaction
211 #define MONO_SIGNAL_USE_UCONTEXT_T 1
217 mgreg_t gregs [AMD64_NREG];
219 MonoContextSimdReg fregs [AMD64_XMM_NREG];
221 double fregs [AMD64_XMM_NREG];
225 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->gregs [AMD64_RIP] = (mgreg_t)(ip); } while (0);
226 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->gregs [AMD64_RBP] = (mgreg_t)(bp); } while (0);
227 #define MONO_CONTEXT_SET_SP(ctx,esp) do { (ctx)->gregs [AMD64_RSP] = (mgreg_t)(esp); } while (0);
229 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->gregs [AMD64_RIP]))
230 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->gregs [AMD64_RBP]))
231 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->gregs [AMD64_RSP]))
233 #if defined (HOST_WIN32) && !defined(__GNUC__)
234 /* msvc doesn't support inline assembly, so have to use a separate .asm file */
235 extern void mono_context_get_current (void *);
236 #define MONO_CONTEXT_GET_CURRENT(ctx) do { mono_context_get_current((void*)&(ctx)); } while (0)
238 #elif defined(__native_client__)
239 #define MONO_CONTEXT_GET_CURRENT(ctx) \
240 __asm__ __volatile__( \
241 "movq $0x0, %%nacl:0x00(%%r15, %0, 1)\n" \
242 "movq %%rcx, %%nacl:0x08(%%r15, %0, 1)\n" \
243 "movq %%rdx, %%nacl:0x10(%%r15, %0, 1)\n" \
244 "movq %%rbx, %%nacl:0x18(%%r15, %0, 1)\n" \
245 "movq %%rsp, %%nacl:0x20(%%r15, %0, 1)\n" \
246 "movq %%rbp, %%nacl:0x28(%%r15, %0, 1)\n" \
247 "movq %%rsi, %%nacl:0x30(%%r15, %0, 1)\n" \
248 "movq %%rdi, %%nacl:0x38(%%r15, %0, 1)\n" \
249 "movq %%r8, %%nacl:0x40(%%r15, %0, 1)\n" \
250 "movq %%r9, %%nacl:0x48(%%r15, %0, 1)\n" \
251 "movq %%r10, %%nacl:0x50(%%r15, %0, 1)\n" \
252 "movq %%r11, %%nacl:0x58(%%r15, %0, 1)\n" \
253 "movq %%r12, %%nacl:0x60(%%r15, %0, 1)\n" \
254 "movq %%r13, %%nacl:0x68(%%r15, %0, 1)\n" \
255 "movq %%r14, %%nacl:0x70(%%r15, %0, 1)\n" \
256 "movq %%r15, %%nacl:0x78(%%r15, %0, 1)\n" \
257 "leaq (%%rip), %%rdx\n" \
258 "movq %%rdx, %%nacl:0x80(%%r15, %0, 1)\n" \
260 : "a" ((int64_t)&(ctx)) \
264 #define MONO_CONTEXT_GET_CURRENT_GREGS(ctx) \
266 __asm__ __volatile__( \
267 "movq $0x0, %c[rax](%0)\n" \
268 "movq %%rcx, %c[rcx](%0)\n" \
269 "movq %%rdx, %c[rdx](%0)\n" \
270 "movq %%rbx, %c[rbx](%0)\n" \
271 "movq %%rsp, %c[rsp](%0)\n" \
272 "movq %%rbp, %c[rbp](%0)\n" \
273 "movq %%rsi, %c[rsi](%0)\n" \
274 "movq %%rdi, %c[rdi](%0)\n" \
275 "movq %%r8, %c[r8](%0)\n" \
276 "movq %%r9, %c[r9](%0)\n" \
277 "movq %%r10, %c[r10](%0)\n" \
278 "movq %%r11, %c[r11](%0)\n" \
279 "movq %%r12, %c[r12](%0)\n" \
280 "movq %%r13, %c[r13](%0)\n" \
281 "movq %%r14, %c[r14](%0)\n" \
282 "movq %%r15, %c[r15](%0)\n" \
283 /* "leaq (%%rip), %%rdx\n" is not understood by icc */ \
284 ".byte 0x48, 0x8d, 0x15, 0x00, 0x00, 0x00, 0x00\n" \
285 "movq %%rdx, %c[rip](%0)\n" \
288 [rax] MONO_CONTEXT_OFFSET (gregs, AMD64_RAX, mgreg_t), \
289 [rcx] MONO_CONTEXT_OFFSET (gregs, AMD64_RCX, mgreg_t), \
290 [rdx] MONO_CONTEXT_OFFSET (gregs, AMD64_RDX, mgreg_t), \
291 [rbx] MONO_CONTEXT_OFFSET (gregs, AMD64_RBX, mgreg_t), \
292 [rsp] MONO_CONTEXT_OFFSET (gregs, AMD64_RSP, mgreg_t), \
293 [rbp] MONO_CONTEXT_OFFSET (gregs, AMD64_RBP, mgreg_t), \
294 [rsi] MONO_CONTEXT_OFFSET (gregs, AMD64_RSI, mgreg_t), \
295 [rdi] MONO_CONTEXT_OFFSET (gregs, AMD64_RDI, mgreg_t), \
296 [r8] MONO_CONTEXT_OFFSET (gregs, AMD64_R8, mgreg_t), \
297 [r9] MONO_CONTEXT_OFFSET (gregs, AMD64_R9, mgreg_t), \
298 [r10] MONO_CONTEXT_OFFSET (gregs, AMD64_R10, mgreg_t), \
299 [r11] MONO_CONTEXT_OFFSET (gregs, AMD64_R11, mgreg_t), \
300 [r12] MONO_CONTEXT_OFFSET (gregs, AMD64_R12, mgreg_t), \
301 [r13] MONO_CONTEXT_OFFSET (gregs, AMD64_R13, mgreg_t), \
302 [r14] MONO_CONTEXT_OFFSET (gregs, AMD64_R14, mgreg_t), \
303 [r15] MONO_CONTEXT_OFFSET (gregs, AMD64_R15, mgreg_t), \
304 [rip] MONO_CONTEXT_OFFSET (gregs, AMD64_RIP, mgreg_t) \
305 : "rdx", "memory"); \
308 #ifdef UCONTEXT_REG_XMM
309 #define MONO_CONTEXT_GET_CURRENT_FREGS(ctx) \
311 __asm__ __volatile__ ( \
312 "movups %%xmm0, %c[xmm0](%0)\n" \
313 "movups %%xmm1, %c[xmm1](%0)\n" \
314 "movups %%xmm2, %c[xmm2](%0)\n" \
315 "movups %%xmm3, %c[xmm3](%0)\n" \
316 "movups %%xmm4, %c[xmm4](%0)\n" \
317 "movups %%xmm5, %c[xmm5](%0)\n" \
318 "movups %%xmm6, %c[xmm6](%0)\n" \
319 "movups %%xmm7, %c[xmm7](%0)\n" \
320 "movups %%xmm8, %c[xmm8](%0)\n" \
321 "movups %%xmm9, %c[xmm9](%0)\n" \
322 "movups %%xmm10, %c[xmm10](%0)\n" \
323 "movups %%xmm11, %c[xmm11](%0)\n" \
324 "movups %%xmm12, %c[xmm12](%0)\n" \
325 "movups %%xmm12, %c[xmm12](%0)\n" \
326 "movups %%xmm14, %c[xmm14](%0)\n" \
327 "movups %%xmm15, %c[xmm15](%0)\n" \
330 [xmm0] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM0, MonoContextSimdReg), \
331 [xmm1] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM1, MonoContextSimdReg), \
332 [xmm2] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM2, MonoContextSimdReg), \
333 [xmm3] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM3, MonoContextSimdReg), \
334 [xmm4] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM4, MonoContextSimdReg), \
335 [xmm5] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM5, MonoContextSimdReg), \
336 [xmm6] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM6, MonoContextSimdReg), \
337 [xmm7] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM7, MonoContextSimdReg), \
338 [xmm8] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM8, MonoContextSimdReg), \
339 [xmm9] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM9, MonoContextSimdReg), \
340 [xmm10] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM10, MonoContextSimdReg), \
341 [xmm11] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM11, MonoContextSimdReg), \
342 [xmm12] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM12, MonoContextSimdReg), \
343 [xmm13] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM13, MonoContextSimdReg), \
344 [xmm14] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM14, MonoContextSimdReg), \
345 [xmm15] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM15, MonoContextSimdReg)); \
348 #define MONO_CONTEXT_GET_CURRENT_FREGS(ctx)
351 #define MONO_CONTEXT_GET_CURRENT(ctx) \
353 MONO_CONTEXT_GET_CURRENT_GREGS(ctx); \
354 MONO_CONTEXT_GET_CURRENT_FREGS(ctx); \
358 #define MONO_ARCH_HAS_MONO_CONTEXT 1
360 #elif (defined(__arm__) && !defined(MONO_CROSS_COMPILE)) || (defined(TARGET_ARM)) /* defined(__x86_64__) */
362 #include <mono/arch/arm/arm-codegen.h>
371 /* we have the stack pointer, not the base pointer in sigcontext */
372 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->pc = (mgreg_t)ip; } while (0);
373 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->regs [ARMREG_FP] = (mgreg_t)bp; } while (0);
374 #define MONO_CONTEXT_SET_SP(ctx,bp) do { (ctx)->regs [ARMREG_SP] = (mgreg_t)bp; } while (0);
376 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->pc))
377 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->regs [ARMREG_FP]))
378 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->regs [ARMREG_SP]))
380 #if defined(HOST_WATCHOS)
382 #define MONO_CONTEXT_GET_CURRENT(ctx) do { \
384 ctx.regs [ARMREG_SP] = &_dummy; \
389 #define MONO_CONTEXT_GET_CURRENT(ctx) do { \
390 __asm__ __volatile__( \
394 "ldr r1, [sp, #4]\n" \
395 "str r1, [r0], #4\n" \
396 "ldr r1, [sp, #0]\n" \
397 "str r1, [r0], #4\n" \
398 "stmia r0!, {r2-r12}\n" \
399 "str sp, [r0], #4\n" \
400 "str lr, [r0], #4\n" \
402 "str r1, [r0], #4\n" \
409 ctx.pc = ctx.regs [15]; \
414 #define MONO_ARCH_HAS_MONO_CONTEXT 1
416 #elif (defined(__aarch64__) && !defined(MONO_CROSS_COMPILE)) || (defined(TARGET_ARM64))
418 #include <mono/arch/arm64/arm64-codegen.h>
425 * fregs might not be initialized if this context was created from a
431 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->pc = (mgreg_t)ip; } while (0)
432 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->regs [ARMREG_FP] = (mgreg_t)bp; } while (0);
433 #define MONO_CONTEXT_SET_SP(ctx,bp) do { (ctx)->regs [ARMREG_SP] = (mgreg_t)bp; } while (0);
435 #define MONO_CONTEXT_GET_IP(ctx) (gpointer)((ctx)->pc)
436 #define MONO_CONTEXT_GET_BP(ctx) (gpointer)((ctx)->regs [ARMREG_FP])
437 #define MONO_CONTEXT_GET_SP(ctx) (gpointer)((ctx)->regs [ARMREG_SP])
439 #if defined (HOST_APPLETVOS)
441 #define MONO_CONTEXT_GET_CURRENT(ctx) do { \
442 arm_unified_thread_state_t thread_state; \
443 int state_flavor = ARM_UNIFIED_THREAD_STATE; \
444 unsigned state_count = ARM_UNIFIED_THREAD_STATE_COUNT; \
445 thread_port_t self = mach_thread_self (); \
446 kern_return_t ret = thread_get_state (self, state_flavor, (thread_state_t) &thread_state, &state_count); \
447 g_assert (ret == 0); \
448 mono_mach_arch_thread_states_to_mono_context ((thread_state_t)&thread_state, (thread_state_t)NULL, &ctx); \
449 mach_port_deallocate (current_task (), self); \
454 #define MONO_CONTEXT_GET_CURRENT(ctx) do { \
455 __asm__ __volatile__( \
457 "stp x0, x1, [x16], #16\n" \
458 "stp x2, x3, [x16], #16\n" \
459 "stp x4, x5, [x16], #16\n" \
460 "stp x6, x7, [x16], #16\n" \
461 "stp x8, x9, [x16], #16\n" \
462 "stp x10, x11, [x16], #16\n" \
463 "stp x12, x13, [x16], #16\n" \
464 "stp x14, x15, [x16], #16\n" \
465 "stp xzr, x17, [x16], #16\n" \
466 "stp x18, x19, [x16], #16\n" \
467 "stp x20, x21, [x16], #16\n" \
468 "stp x22, x23, [x16], #16\n" \
469 "stp x24, x25, [x16], #16\n" \
470 "stp x26, x27, [x16], #16\n" \
471 "stp x28, x29, [x16], #16\n" \
472 "stp x30, xzr, [x16], #8\n" \
474 "str x30, [x16], #8\n" \
475 "stp d0, d1, [x16], #16\n" \
476 "stp d2, d3, [x16], #16\n" \
477 "stp d4, d5, [x16], #16\n" \
478 "stp d6, d7, [x16], #16\n" \
479 "stp d8, d9, [x16], #16\n" \
480 "stp d10, d11, [x16], #16\n" \
481 "stp d12, d13, [x16], #16\n" \
482 "stp d14, d15, [x16], #16\n" \
483 "stp d16, d17, [x16], #16\n" \
484 "stp d18, d19, [x16], #16\n" \
485 "stp d20, d21, [x16], #16\n" \
486 "stp d22, d23, [x16], #16\n" \
487 "stp d24, d25, [x16], #16\n" \
488 "stp d26, d27, [x16], #16\n" \
489 "stp d28, d29, [x16], #16\n" \
490 "stp d30, d31, [x16], #16\n" \
493 : "x16", "x30", "memory" \
495 __asm__ __volatile__( \
506 #define MONO_ARCH_HAS_MONO_CONTEXT 1
508 #elif defined(__mono_ppc__) /* defined(__arm__) */
510 /* we define our own structure and we'll copy the data
511 * from sigcontext/ucontext/mach when we need it.
512 * This also makes us save stack space and time when copying
513 * We might also want to add an additional field to propagate
514 * the original context from the signal handler.
516 #ifdef __mono_ppc64__
525 /* we have the stack pointer, not the base pointer in sigcontext */
526 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->sc_ir = (gulong)ip; } while (0);
527 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->sc_sp = (gulong)bp; } while (0);
528 #define MONO_CONTEXT_SET_SP(ctx,sp) do { (ctx)->sc_sp = (gulong)sp; } while (0);
530 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->sc_ir))
531 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->regs [ppc_r31]))
532 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->sc_sp))
534 #define MONO_CONTEXT_GET_CURRENT(ctx) \
535 __asm__ __volatile__( \
538 "std 0, 8*0+16(%0)\n" \
539 "std 1, 8*1+16(%0)\n" \
540 "std 2, 8*2+16(%0)\n" \
541 "std 3, 8*3+16(%0)\n" \
542 "std 4, 8*4+16(%0)\n" \
543 "std 5, 8*5+16(%0)\n" \
544 "std 6, 8*6+16(%0)\n" \
545 "std 7, 8*7+16(%0)\n" \
546 "std 8, 8*8+16(%0)\n" \
547 "std 9, 8*9+16(%0)\n" \
548 "std 10, 8*10+16(%0)\n" \
549 "std 11, 8*11+16(%0)\n" \
550 "std 12, 8*12+16(%0)\n" \
551 "std 13, 8*13+16(%0)\n" \
552 "std 14, 8*14+16(%0)\n" \
553 "std 15, 8*15+16(%0)\n" \
554 "std 16, 8*16+16(%0)\n" \
555 "std 17, 8*17+16(%0)\n" \
556 "std 18, 8*18+16(%0)\n" \
557 "std 19, 8*19+16(%0)\n" \
558 "std 20, 8*20+16(%0)\n" \
559 "std 21, 8*21+16(%0)\n" \
560 "std 22, 8*22+16(%0)\n" \
561 "std 23, 8*23+16(%0)\n" \
562 "std 24, 8*24+16(%0)\n" \
563 "std 25, 8*25+16(%0)\n" \
564 "std 26, 8*26+16(%0)\n" \
565 "std 27, 8*27+16(%0)\n" \
566 "std 28, 8*28+16(%0)\n" \
567 "std 29, 8*29+16(%0)\n" \
568 "std 30, 8*30+16(%0)\n" \
569 "std 31, 8*31+16(%0)\n" \
570 "stfd 0, 8*0+8*32+16(%0)\n" \
571 "stfd 1, 8*1+8*32+16(%0)\n" \
572 "stfd 2, 8*2+8*32+16(%0)\n" \
573 "stfd 3, 8*3+8*32+16(%0)\n" \
574 "stfd 4, 8*4+8*32+16(%0)\n" \
575 "stfd 5, 8*5+8*32+16(%0)\n" \
576 "stfd 6, 8*6+8*32+16(%0)\n" \
577 "stfd 7, 8*7+8*32+16(%0)\n" \
578 "stfd 8, 8*8+8*32+16(%0)\n" \
579 "stfd 9, 8*9+8*32+16(%0)\n" \
580 "stfd 10, 8*10+8*32+16(%0)\n" \
581 "stfd 11, 8*11+8*32+16(%0)\n" \
582 "stfd 12, 8*12+8*32+16(%0)\n" \
583 "stfd 13, 8*13+8*32+16(%0)\n" \
584 "stfd 14, 8*14+8*32+16(%0)\n" \
585 "stfd 15, 8*15+8*32+16(%0)\n" \
586 "stfd 16, 8*16+8*32+16(%0)\n" \
587 "stfd 17, 8*17+8*32+16(%0)\n" \
588 "stfd 18, 8*18+8*32+16(%0)\n" \
589 "stfd 19, 8*19+8*32+16(%0)\n" \
590 "stfd 20, 8*20+8*32+16(%0)\n" \
591 "stfd 21, 8*21+8*32+16(%0)\n" \
592 "stfd 22, 8*22+8*32+16(%0)\n" \
593 "stfd 23, 8*23+8*32+16(%0)\n" \
594 "stfd 24, 8*24+8*32+16(%0)\n" \
595 "stfd 25, 8*25+8*32+16(%0)\n" \
596 "stfd 26, 8*26+8*32+16(%0)\n" \
597 "stfd 27, 8*27+8*32+16(%0)\n" \
598 "stfd 28, 8*28+8*32+16(%0)\n" \
599 "stfd 29, 8*29+8*32+16(%0)\n" \
600 "stfd 30, 8*30+8*32+16(%0)\n" \
601 "stfd 31, 8*31+8*32+16(%0)\n" \
606 #else /* !defined(__mono_ppc64__) */
615 /* we have the stack pointer, not the base pointer in sigcontext */
616 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->sc_ir = (mgreg_t)ip; } while (0);
617 /* FIXME: should be called SET_SP */
618 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->sc_sp = (mgreg_t)bp; } while (0);
619 #define MONO_CONTEXT_SET_SP(ctx,sp) do { (ctx)->sc_sp = (mgreg_t)sp; } while (0);
621 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->sc_ir))
622 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->regs [ppc_r31]))
623 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->sc_sp))
625 #define MONO_CONTEXT_GET_CURRENT(ctx) \
626 __asm__ __volatile__( \
629 "stw 0, 4*0+8(%0)\n" \
630 "stw 1, 4*1+8(%0)\n" \
631 "stw 2, 4*2+8(%0)\n" \
632 "stw 3, 4*3+8(%0)\n" \
633 "stw 4, 4*4+8(%0)\n" \
634 "stw 5, 4*5+8(%0)\n" \
635 "stw 6, 4*6+8(%0)\n" \
636 "stw 7, 4*7+8(%0)\n" \
637 "stw 8, 4*8+8(%0)\n" \
638 "stw 9, 4*9+8(%0)\n" \
639 "stw 10, 4*10+8(%0)\n" \
640 "stw 11, 4*11+8(%0)\n" \
641 "stw 12, 4*12+8(%0)\n" \
642 "stw 13, 4*13+8(%0)\n" \
643 "stw 14, 4*14+8(%0)\n" \
644 "stw 15, 4*15+8(%0)\n" \
645 "stw 16, 4*16+8(%0)\n" \
646 "stw 17, 4*17+8(%0)\n" \
647 "stw 18, 4*18+8(%0)\n" \
648 "stw 19, 4*19+8(%0)\n" \
649 "stw 20, 4*20+8(%0)\n" \
650 "stw 21, 4*21+8(%0)\n" \
651 "stw 22, 4*22+8(%0)\n" \
652 "stw 23, 4*23+8(%0)\n" \
653 "stw 24, 4*24+8(%0)\n" \
654 "stw 25, 4*25+8(%0)\n" \
655 "stw 26, 4*26+8(%0)\n" \
656 "stw 27, 4*27+8(%0)\n" \
657 "stw 28, 4*28+8(%0)\n" \
658 "stw 29, 4*29+8(%0)\n" \
659 "stw 30, 4*30+8(%0)\n" \
660 "stw 31, 4*31+8(%0)\n" \
661 "stfd 0, 8*0+4*32+8(%0)\n" \
662 "stfd 1, 8*1+4*32+8(%0)\n" \
663 "stfd 2, 8*2+4*32+8(%0)\n" \
664 "stfd 3, 8*3+4*32+8(%0)\n" \
665 "stfd 4, 8*4+4*32+8(%0)\n" \
666 "stfd 5, 8*5+4*32+8(%0)\n" \
667 "stfd 6, 8*6+4*32+8(%0)\n" \
668 "stfd 7, 8*7+4*32+8(%0)\n" \
669 "stfd 8, 8*8+4*32+8(%0)\n" \
670 "stfd 9, 8*9+4*32+8(%0)\n" \
671 "stfd 10, 8*10+4*32+8(%0)\n" \
672 "stfd 11, 8*11+4*32+8(%0)\n" \
673 "stfd 12, 8*12+4*32+8(%0)\n" \
674 "stfd 13, 8*13+4*32+8(%0)\n" \
675 "stfd 14, 8*14+4*32+8(%0)\n" \
676 "stfd 15, 8*15+4*32+8(%0)\n" \
677 "stfd 16, 8*16+4*32+8(%0)\n" \
678 "stfd 17, 8*17+4*32+8(%0)\n" \
679 "stfd 18, 8*18+4*32+8(%0)\n" \
680 "stfd 19, 8*19+4*32+8(%0)\n" \
681 "stfd 20, 8*20+4*32+8(%0)\n" \
682 "stfd 21, 8*21+4*32+8(%0)\n" \
683 "stfd 22, 8*22+4*32+8(%0)\n" \
684 "stfd 23, 8*23+4*32+8(%0)\n" \
685 "stfd 24, 8*24+4*32+8(%0)\n" \
686 "stfd 25, 8*25+4*32+8(%0)\n" \
687 "stfd 26, 8*26+4*32+8(%0)\n" \
688 "stfd 27, 8*27+4*32+8(%0)\n" \
689 "stfd 28, 8*28+4*32+8(%0)\n" \
690 "stfd 29, 8*29+4*32+8(%0)\n" \
691 "stfd 30, 8*30+4*32+8(%0)\n" \
692 "stfd 31, 8*31+4*32+8(%0)\n" \
699 #define MONO_ARCH_HAS_MONO_CONTEXT 1
701 #elif defined(__sparc__) || defined(sparc) /* defined(__mono_ppc__) */
703 typedef struct MonoContext {
710 #define MONO_CONTEXT_SET_IP(ctx,eip) do { (ctx)->ip = (gpointer)(eip); } while (0);
711 #define MONO_CONTEXT_SET_BP(ctx,ebp) do { (ctx)->fp = (gpointer*)(ebp); } while (0);
712 #define MONO_CONTEXT_SET_SP(ctx,esp) do { (ctx)->sp = (gpointer*)(esp); } while (0);
714 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->ip))
715 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->fp))
716 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->sp))
719 #define MONO_CONTEXT_GET_CURRENT(ctx) \
720 __asm__ __volatile__( \
722 "st %%g2,[%0+0x08]\n" \
723 "st %%g3,[%0+0x10]\n" \
724 "st %%g4,[%0+0x18]\n" \
725 "st %%g5,[%0+0x20]\n" \
726 "st %%g6,[%0+0x28]\n" \
727 "st %%g7,[%0+0x30]\n" \
728 "st %%o0,[%0+0x38]\n" \
729 "st %%o1,[%0+0x40]\n" \
730 "st %%o2,[%0+0x48]\n" \
731 "st %%o3,[%0+0x50]\n" \
732 "st %%o4,[%0+0x58]\n" \
733 "st %%o5,[%0+0x60]\n" \
734 "st %%o6,[%0+0x68]\n" \
735 "st %%o7,[%0+0x70]\n" \
741 #define MONO_CONTEXT_GET_CURRENT(ctx) \
742 __asm__ __volatile__( \
744 "st %%g2,[%0+0x04]\n" \
745 "st %%g3,[%0+0x08]\n" \
746 "st %%g4,[%0+0x0c]\n" \
747 "st %%g5,[%0+0x10]\n" \
748 "st %%g6,[%0+0x14]\n" \
749 "st %%g7,[%0+0x18]\n" \
750 "st %%o0,[%0+0x1c]\n" \
751 "st %%o1,[%0+0x20]\n" \
752 "st %%o2,[%0+0x24]\n" \
753 "st %%o3,[%0+0x28]\n" \
754 "st %%o4,[%0+0x2c]\n" \
755 "st %%o5,[%0+0x30]\n" \
756 "st %%o6,[%0+0x34]\n" \
757 "st %%o7,[%0+0x38]\n" \
764 #define MONO_ARCH_HAS_MONO_CONTEXT 1
766 #elif defined(__ia64__) /*defined(__sparc__) || defined(sparc) */
768 #ifndef UNW_LOCAL_ONLY
770 #define UNW_LOCAL_ONLY
771 #include <libunwind.h>
775 typedef struct MonoContext {
777 /* Whenever the ip in 'cursor' points to the ip where the exception happened */
778 /* This is true for the initial context for exceptions thrown from signal handlers */
782 /*XXX SET_BP is missing*/
783 #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)
784 #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)
786 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)(mono_ia64_context_get_ip ((ctx))))
787 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)(mono_ia64_context_get_fp ((ctx))))
788 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)(mono_ia64_context_get_sp ((ctx))))
790 static inline unw_word_t
791 mono_ia64_context_get_ip (MonoContext *ctx)
796 err = unw_get_reg (&ctx->cursor, UNW_IA64_IP, &ip);
799 if (ctx->precise_ip) {
802 /* Subtrack 1 so ip points into the actual instruction */
807 static inline unw_word_t
808 mono_ia64_context_get_sp (MonoContext *ctx)
813 err = unw_get_reg (&ctx->cursor, UNW_IA64_SP, &sp);
819 static inline unw_word_t
820 mono_ia64_context_get_fp (MonoContext *ctx)
822 unw_cursor_t new_cursor;
829 err = unw_get_reg (&ctx->cursor, UNW_IA64_SP, &sp);
832 err = unw_get_reg (&ctx->cursor, UNW_IA64_IP, &ip);
836 /* fp is the SP of the parent frame */
837 new_cursor = ctx->cursor;
839 err = unw_step (&new_cursor);
842 err = unw_get_reg (&new_cursor, UNW_IA64_SP, &fp);
848 #elif ((defined(__mips__) && !defined(MONO_CROSS_COMPILE)) || (defined(TARGET_MIPS))) && SIZEOF_REGISTER == 4 /* defined(__ia64__) */
850 #define MONO_ARCH_HAS_MONO_CONTEXT 1
852 #include <mono/arch/mips/mips-codegen.h>
856 mgreg_t sc_regs [32];
857 gfloat sc_fpregs [32];
860 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->sc_pc = (mgreg_t)(ip); } while (0);
861 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->sc_regs[mips_fp] = (mgreg_t)(bp); } while (0);
862 #define MONO_CONTEXT_SET_SP(ctx,sp) do { (ctx)->sc_regs[mips_sp] = (mgreg_t)(sp); } while (0);
864 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->sc_pc))
865 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->sc_regs[mips_fp]))
866 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->sc_regs[mips_sp]))
868 #define MONO_CONTEXT_GET_CURRENT(ctx) \
869 __asm__ __volatile__( \
880 "sw $10,40(%0)\n\t" \
881 "sw $11,44(%0)\n\t" \
882 "sw $12,48(%0)\n\t" \
883 "sw $13,52(%0)\n\t" \
884 "sw $14,56(%0)\n\t" \
885 "sw $15,60(%0)\n\t" \
886 "sw $16,64(%0)\n\t" \
887 "sw $17,68(%0)\n\t" \
888 "sw $18,72(%0)\n\t" \
889 "sw $19,76(%0)\n\t" \
890 "sw $20,80(%0)\n\t" \
891 "sw $21,84(%0)\n\t" \
892 "sw $22,88(%0)\n\t" \
893 "sw $23,92(%0)\n\t" \
894 "sw $24,96(%0)\n\t" \
895 "sw $25,100(%0)\n\t" \
896 "sw $26,104(%0)\n\t" \
897 "sw $27,108(%0)\n\t" \
898 "sw $28,112(%0)\n\t" \
899 "sw $29,116(%0)\n\t" \
900 "sw $30,120(%0)\n\t" \
901 "sw $31,124(%0)\n\t" \
902 : : "r" (&(ctx).sc_regs [0]) \
906 #elif defined(__s390x__)
908 #define MONO_ARCH_HAS_MONO_CONTEXT 1
910 typedef struct ucontext MonoContext;
912 #define MONO_CONTEXT_SET_IP(ctx,ip) \
914 (ctx)->uc_mcontext.gregs[14] = (unsigned long)ip; \
915 (ctx)->uc_mcontext.psw.addr = (unsigned long)ip; \
918 #define MONO_CONTEXT_SET_SP(ctx,bp) MONO_CONTEXT_SET_BP((ctx),(bp))
919 #define MONO_CONTEXT_SET_BP(ctx,bp) \
921 (ctx)->uc_mcontext.gregs[15] = (unsigned long)bp; \
922 (ctx)->uc_stack.ss_sp = (void*)bp; \
925 #define MONO_CONTEXT_GET_IP(ctx) (gpointer) (ctx)->uc_mcontext.psw.addr
926 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->uc_mcontext.gregs[15]))
927 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->uc_mcontext.gregs[11]))
929 #define MONO_CONTEXT_GET_CURRENT(ctx) \
930 __asm__ __volatile__( \
931 "stmg %%r0,%%r15,0(%0)\n" \
932 : : "r" (&(ctx).uc_mcontext.gregs[0]) \
938 #error "Implement mono-context for the current arch"
943 * The naming is misleading, the SIGCTX argument should be the platform's context
944 * structure (ucontext_c on posix, CONTEXT on windows).
946 void mono_sigctx_to_monoctx (void *sigctx, MonoContext *mctx);
949 * This will not completely initialize SIGCTX since MonoContext contains less
950 * information that the system context. The caller should obtain a SIGCTX from
951 * the system, and use this function to override the parts of it which are
952 * also in MonoContext.
954 void mono_monoctx_to_sigctx (MonoContext *mctx, void *sigctx);
956 #endif /* __MONO_MONO_CONTEXT_H__ */