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 */
58 /* sigcontext surrogate */
72 #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
73 # define SC_EAX sc_eax
74 # define SC_EBX sc_ebx
75 # define SC_ECX sc_ecx
76 # define SC_EDX sc_edx
77 # define SC_EBP sc_ebp
78 # define SC_EIP sc_eip
79 # define SC_ESP sc_esp
80 # define SC_EDI sc_edi
81 # define SC_ESI sc_esi
82 #elif defined(__HAIKU__)
83 # define SC_EAX regs.eax
84 # define SC_EBX regs.ebx
85 # define SC_ECX regs.ecx
86 # define SC_EDX regs.edx
87 # define SC_EBP regs.ebp
88 # define SC_EIP regs.eip
89 # define SC_ESP regs.esp
90 # define SC_EDI regs.edi
91 # define SC_ESI regs.esi
104 #include <mono/arch/x86/x86-codegen.h>
117 MonoContextSimdReg fregs [X86_XMM_NREG];
121 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->eip = (mgreg_t)(ip); } while (0);
122 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->ebp = (mgreg_t)(bp); } while (0);
123 #define MONO_CONTEXT_SET_SP(ctx,sp) do { (ctx)->esp = (mgreg_t)(sp); } while (0);
125 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->eip))
126 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->ebp))
127 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->esp))
129 /*We set EAX to zero since we are clobering it anyway*/
131 #define MONO_CONTEXT_GET_CURRENT(ctx) do { \
132 void *_ptr = &(ctx); \
134 __asm mov eax, _ptr \
135 __asm mov [eax+0x00], eax \
136 __asm mov [eax+0x04], ebx \
137 __asm mov [eax+0x08], ecx \
138 __asm mov [eax+0x0c], edx \
139 __asm mov [eax+0x10], ebp \
140 __asm mov [eax+0x14], esp \
141 __asm mov [eax+0x18], esi \
142 __asm mov [eax+0x1c], edi \
143 __asm call __mono_context_get_ip \
144 __asm __mono_context_get_ip: \
145 __asm pop dword ptr [eax+0x20] \
150 #define MONO_CONTEXT_GET_CURRENT_GREGS(ctx) \
151 __asm__ __volatile__( \
152 "movl $0x0, %c[eax](%0)\n" \
153 "mov %%ebx, %c[ebx](%0)\n" \
154 "mov %%ecx, %c[ecx](%0)\n" \
155 "mov %%edx, %c[edx](%0)\n" \
156 "mov %%ebp, %c[ebp](%0)\n" \
157 "mov %%esp, %c[esp](%0)\n" \
158 "mov %%esi, %c[esi](%0)\n" \
159 "mov %%edi, %c[edi](%0)\n" \
161 "1: pop 0x20(%0)\n" \
164 [eax] MONO_CONTEXT_OFFSET (eax, 0, mgreg_t), \
165 [ebx] MONO_CONTEXT_OFFSET (ebx, 0, mgreg_t), \
166 [ecx] MONO_CONTEXT_OFFSET (ecx, 0, mgreg_t), \
167 [edx] MONO_CONTEXT_OFFSET (edx, 0, mgreg_t), \
168 [ebp] MONO_CONTEXT_OFFSET (ebp, 0, mgreg_t), \
169 [esp] MONO_CONTEXT_OFFSET (esp, 0, mgreg_t), \
170 [esi] MONO_CONTEXT_OFFSET (esi, 0, mgreg_t), \
171 [edi] MONO_CONTEXT_OFFSET (edi, 0, mgreg_t) \
174 #ifdef UCONTEXT_REG_XMM
175 #define MONO_CONTEXT_GET_CURRENT_FREGS(ctx) \
177 __asm__ __volatile__ ( \
178 "movups %%xmm0, %c[xmm0](%0)\n" \
179 "movups %%xmm1, %c[xmm1](%0)\n" \
180 "movups %%xmm2, %c[xmm2](%0)\n" \
181 "movups %%xmm3, %c[xmm3](%0)\n" \
182 "movups %%xmm4, %c[xmm4](%0)\n" \
183 "movups %%xmm5, %c[xmm5](%0)\n" \
184 "movups %%xmm6, %c[xmm6](%0)\n" \
185 "movups %%xmm7, %c[xmm7](%0)\n" \
188 [xmm0] MONO_CONTEXT_OFFSET (fregs, X86_XMM0, MonoContextSimdReg), \
189 [xmm1] MONO_CONTEXT_OFFSET (fregs, X86_XMM1, MonoContextSimdReg), \
190 [xmm2] MONO_CONTEXT_OFFSET (fregs, X86_XMM2, MonoContextSimdReg), \
191 [xmm3] MONO_CONTEXT_OFFSET (fregs, X86_XMM3, MonoContextSimdReg), \
192 [xmm4] MONO_CONTEXT_OFFSET (fregs, X86_XMM4, MonoContextSimdReg), \
193 [xmm5] MONO_CONTEXT_OFFSET (fregs, X86_XMM5, MonoContextSimdReg), \
194 [xmm6] MONO_CONTEXT_OFFSET (fregs, X86_XMM6, MonoContextSimdReg), \
195 [xmm7] MONO_CONTEXT_OFFSET (fregs, X86_XMM7, MonoContextSimdReg), \
198 #define MONO_CONTEXT_GET_CURRENT_FREGS(ctx)
201 #define MONO_CONTEXT_GET_CURRENT(ctx) \
203 MONO_CONTEXT_GET_CURRENT_GREGS(ctx); \
204 MONO_CONTEXT_GET_CURRENT_FREGS(ctx); \
209 #define MONO_ARCH_HAS_MONO_CONTEXT 1
211 #elif (defined(__x86_64__) && !defined(MONO_CROSS_COMPILE)) || (defined(TARGET_AMD64)) /* defined(__i386__) */
213 #include <mono/arch/amd64/amd64-codegen.h>
215 #if !defined( HOST_WIN32 ) && !defined(__native_client__) && !defined(__native_client_codegen__)
217 #if defined(HAVE_SIGACTION) || defined(__APPLE__) // the __APPLE__ check is required for the tvos simulator, which has ucontext_t but not sigaction
218 #define MONO_SIGNAL_USE_UCONTEXT_T 1
224 mgreg_t gregs [AMD64_NREG];
226 MonoContextSimdReg fregs [AMD64_XMM_NREG];
228 double fregs [AMD64_XMM_NREG];
232 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->gregs [AMD64_RIP] = (mgreg_t)(ip); } while (0);
233 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->gregs [AMD64_RBP] = (mgreg_t)(bp); } while (0);
234 #define MONO_CONTEXT_SET_SP(ctx,esp) do { (ctx)->gregs [AMD64_RSP] = (mgreg_t)(esp); } while (0);
236 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->gregs [AMD64_RIP]))
237 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->gregs [AMD64_RBP]))
238 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->gregs [AMD64_RSP]))
240 #if defined (HOST_WIN32) && !defined(__GNUC__)
241 /* msvc doesn't support inline assembly, so have to use a separate .asm file */
242 extern void mono_context_get_current (void *);
243 #define MONO_CONTEXT_GET_CURRENT(ctx) do { mono_context_get_current((void*)&(ctx)); } while (0)
245 #elif defined(__native_client__)
246 #define MONO_CONTEXT_GET_CURRENT(ctx) \
247 __asm__ __volatile__( \
248 "movq $0x0, %%nacl:0x00(%%r15, %0, 1)\n" \
249 "movq %%rcx, %%nacl:0x08(%%r15, %0, 1)\n" \
250 "movq %%rdx, %%nacl:0x10(%%r15, %0, 1)\n" \
251 "movq %%rbx, %%nacl:0x18(%%r15, %0, 1)\n" \
252 "movq %%rsp, %%nacl:0x20(%%r15, %0, 1)\n" \
253 "movq %%rbp, %%nacl:0x28(%%r15, %0, 1)\n" \
254 "movq %%rsi, %%nacl:0x30(%%r15, %0, 1)\n" \
255 "movq %%rdi, %%nacl:0x38(%%r15, %0, 1)\n" \
256 "movq %%r8, %%nacl:0x40(%%r15, %0, 1)\n" \
257 "movq %%r9, %%nacl:0x48(%%r15, %0, 1)\n" \
258 "movq %%r10, %%nacl:0x50(%%r15, %0, 1)\n" \
259 "movq %%r11, %%nacl:0x58(%%r15, %0, 1)\n" \
260 "movq %%r12, %%nacl:0x60(%%r15, %0, 1)\n" \
261 "movq %%r13, %%nacl:0x68(%%r15, %0, 1)\n" \
262 "movq %%r14, %%nacl:0x70(%%r15, %0, 1)\n" \
263 "movq %%r15, %%nacl:0x78(%%r15, %0, 1)\n" \
264 "leaq (%%rip), %%rdx\n" \
265 "movq %%rdx, %%nacl:0x80(%%r15, %0, 1)\n" \
267 : "a" ((int64_t)&(ctx)) \
271 #define MONO_CONTEXT_GET_CURRENT_GREGS(ctx) \
273 __asm__ __volatile__( \
274 "movq $0x0, %c[rax](%0)\n" \
275 "movq %%rcx, %c[rcx](%0)\n" \
276 "movq %%rdx, %c[rdx](%0)\n" \
277 "movq %%rbx, %c[rbx](%0)\n" \
278 "movq %%rsp, %c[rsp](%0)\n" \
279 "movq %%rbp, %c[rbp](%0)\n" \
280 "movq %%rsi, %c[rsi](%0)\n" \
281 "movq %%rdi, %c[rdi](%0)\n" \
282 "movq %%r8, %c[r8](%0)\n" \
283 "movq %%r9, %c[r9](%0)\n" \
284 "movq %%r10, %c[r10](%0)\n" \
285 "movq %%r11, %c[r11](%0)\n" \
286 "movq %%r12, %c[r12](%0)\n" \
287 "movq %%r13, %c[r13](%0)\n" \
288 "movq %%r14, %c[r14](%0)\n" \
289 "movq %%r15, %c[r15](%0)\n" \
290 /* "leaq (%%rip), %%rdx\n" is not understood by icc */ \
291 ".byte 0x48, 0x8d, 0x15, 0x00, 0x00, 0x00, 0x00\n" \
292 "movq %%rdx, %c[rip](%0)\n" \
295 [rax] MONO_CONTEXT_OFFSET (gregs, AMD64_RAX, mgreg_t), \
296 [rcx] MONO_CONTEXT_OFFSET (gregs, AMD64_RCX, mgreg_t), \
297 [rdx] MONO_CONTEXT_OFFSET (gregs, AMD64_RDX, mgreg_t), \
298 [rbx] MONO_CONTEXT_OFFSET (gregs, AMD64_RBX, mgreg_t), \
299 [rsp] MONO_CONTEXT_OFFSET (gregs, AMD64_RSP, mgreg_t), \
300 [rbp] MONO_CONTEXT_OFFSET (gregs, AMD64_RBP, mgreg_t), \
301 [rsi] MONO_CONTEXT_OFFSET (gregs, AMD64_RSI, mgreg_t), \
302 [rdi] MONO_CONTEXT_OFFSET (gregs, AMD64_RDI, mgreg_t), \
303 [r8] MONO_CONTEXT_OFFSET (gregs, AMD64_R8, mgreg_t), \
304 [r9] MONO_CONTEXT_OFFSET (gregs, AMD64_R9, mgreg_t), \
305 [r10] MONO_CONTEXT_OFFSET (gregs, AMD64_R10, mgreg_t), \
306 [r11] MONO_CONTEXT_OFFSET (gregs, AMD64_R11, mgreg_t), \
307 [r12] MONO_CONTEXT_OFFSET (gregs, AMD64_R12, mgreg_t), \
308 [r13] MONO_CONTEXT_OFFSET (gregs, AMD64_R13, mgreg_t), \
309 [r14] MONO_CONTEXT_OFFSET (gregs, AMD64_R14, mgreg_t), \
310 [r15] MONO_CONTEXT_OFFSET (gregs, AMD64_R15, mgreg_t), \
311 [rip] MONO_CONTEXT_OFFSET (gregs, AMD64_RIP, mgreg_t) \
312 : "rdx", "memory"); \
315 #ifdef UCONTEXT_REG_XMM
316 #define MONO_CONTEXT_GET_CURRENT_FREGS(ctx) \
318 __asm__ __volatile__ ( \
319 "movups %%xmm0, %c[xmm0](%0)\n" \
320 "movups %%xmm1, %c[xmm1](%0)\n" \
321 "movups %%xmm2, %c[xmm2](%0)\n" \
322 "movups %%xmm3, %c[xmm3](%0)\n" \
323 "movups %%xmm4, %c[xmm4](%0)\n" \
324 "movups %%xmm5, %c[xmm5](%0)\n" \
325 "movups %%xmm6, %c[xmm6](%0)\n" \
326 "movups %%xmm7, %c[xmm7](%0)\n" \
327 "movups %%xmm8, %c[xmm8](%0)\n" \
328 "movups %%xmm9, %c[xmm9](%0)\n" \
329 "movups %%xmm10, %c[xmm10](%0)\n" \
330 "movups %%xmm11, %c[xmm11](%0)\n" \
331 "movups %%xmm12, %c[xmm12](%0)\n" \
332 "movups %%xmm12, %c[xmm12](%0)\n" \
333 "movups %%xmm14, %c[xmm14](%0)\n" \
334 "movups %%xmm15, %c[xmm15](%0)\n" \
337 [xmm0] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM0, MonoContextSimdReg), \
338 [xmm1] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM1, MonoContextSimdReg), \
339 [xmm2] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM2, MonoContextSimdReg), \
340 [xmm3] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM3, MonoContextSimdReg), \
341 [xmm4] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM4, MonoContextSimdReg), \
342 [xmm5] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM5, MonoContextSimdReg), \
343 [xmm6] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM6, MonoContextSimdReg), \
344 [xmm7] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM7, MonoContextSimdReg), \
345 [xmm8] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM8, MonoContextSimdReg), \
346 [xmm9] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM9, MonoContextSimdReg), \
347 [xmm10] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM10, MonoContextSimdReg), \
348 [xmm11] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM11, MonoContextSimdReg), \
349 [xmm12] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM12, MonoContextSimdReg), \
350 [xmm13] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM13, MonoContextSimdReg), \
351 [xmm14] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM14, MonoContextSimdReg), \
352 [xmm15] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM15, MonoContextSimdReg)); \
355 #define MONO_CONTEXT_GET_CURRENT_FREGS(ctx)
358 #define MONO_CONTEXT_GET_CURRENT(ctx) \
360 MONO_CONTEXT_GET_CURRENT_GREGS(ctx); \
361 MONO_CONTEXT_GET_CURRENT_FREGS(ctx); \
365 #define MONO_ARCH_HAS_MONO_CONTEXT 1
367 #elif (defined(__arm__) && !defined(MONO_CROSS_COMPILE)) || (defined(TARGET_ARM)) /* defined(__x86_64__) */
369 #include <mono/arch/arm/arm-codegen.h>
378 /* we have the stack pointer, not the base pointer in sigcontext */
379 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->pc = (mgreg_t)ip; } while (0);
380 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->regs [ARMREG_FP] = (mgreg_t)bp; } while (0);
381 #define MONO_CONTEXT_SET_SP(ctx,bp) do { (ctx)->regs [ARMREG_SP] = (mgreg_t)bp; } while (0);
383 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->pc))
384 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->regs [ARMREG_FP]))
385 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->regs [ARMREG_SP]))
387 #if defined(HOST_WATCHOS)
389 #define MONO_CONTEXT_GET_CURRENT(ctx) do { \
391 ctx.regs [ARMREG_SP] = &_dummy; \
396 #define MONO_CONTEXT_GET_CURRENT(ctx) do { \
397 __asm__ __volatile__( \
401 "ldr r1, [sp, #4]\n" \
402 "str r1, [r0], #4\n" \
403 "ldr r1, [sp, #0]\n" \
404 "str r1, [r0], #4\n" \
405 "stmia r0!, {r2-r12}\n" \
406 "str sp, [r0], #4\n" \
407 "str lr, [r0], #4\n" \
409 "str r1, [r0], #4\n" \
416 ctx.pc = ctx.regs [15]; \
421 #define MONO_ARCH_HAS_MONO_CONTEXT 1
423 #elif (defined(__aarch64__) && !defined(MONO_CROSS_COMPILE)) || (defined(TARGET_ARM64))
425 #include <mono/arch/arm64/arm64-codegen.h>
432 * fregs might not be initialized if this context was created from a
438 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->pc = (mgreg_t)ip; } while (0)
439 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->regs [ARMREG_FP] = (mgreg_t)bp; } while (0);
440 #define MONO_CONTEXT_SET_SP(ctx,bp) do { (ctx)->regs [ARMREG_SP] = (mgreg_t)bp; } while (0);
442 #define MONO_CONTEXT_GET_IP(ctx) (gpointer)((ctx)->pc)
443 #define MONO_CONTEXT_GET_BP(ctx) (gpointer)((ctx)->regs [ARMREG_FP])
444 #define MONO_CONTEXT_GET_SP(ctx) (gpointer)((ctx)->regs [ARMREG_SP])
446 #if defined (HOST_APPLETVOS)
448 #define MONO_CONTEXT_GET_CURRENT(ctx) do { \
449 arm_unified_thread_state_t thread_state; \
450 int state_flavor = ARM_UNIFIED_THREAD_STATE; \
451 unsigned state_count = ARM_UNIFIED_THREAD_STATE_COUNT; \
452 thread_port_t self = mach_thread_self (); \
453 kern_return_t ret = thread_get_state (self, state_flavor, (thread_state_t) &thread_state, &state_count); \
454 g_assert (ret == 0); \
455 mono_mach_arch_thread_states_to_mono_context ((thread_state_t)&thread_state, (thread_state_t)NULL, &ctx); \
456 mach_port_deallocate (current_task (), self); \
461 #define MONO_CONTEXT_GET_CURRENT(ctx) do { \
462 __asm__ __volatile__( \
464 "stp x0, x1, [x16], #16\n" \
465 "stp x2, x3, [x16], #16\n" \
466 "stp x4, x5, [x16], #16\n" \
467 "stp x6, x7, [x16], #16\n" \
468 "stp x8, x9, [x16], #16\n" \
469 "stp x10, x11, [x16], #16\n" \
470 "stp x12, x13, [x16], #16\n" \
471 "stp x14, x15, [x16], #16\n" \
472 "stp xzr, x17, [x16], #16\n" \
473 "stp x18, x19, [x16], #16\n" \
474 "stp x20, x21, [x16], #16\n" \
475 "stp x22, x23, [x16], #16\n" \
476 "stp x24, x25, [x16], #16\n" \
477 "stp x26, x27, [x16], #16\n" \
478 "stp x28, x29, [x16], #16\n" \
479 "stp x30, xzr, [x16], #8\n" \
481 "str x30, [x16], #8\n" \
482 "stp d0, d1, [x16], #16\n" \
483 "stp d2, d3, [x16], #16\n" \
484 "stp d4, d5, [x16], #16\n" \
485 "stp d6, d7, [x16], #16\n" \
486 "stp d8, d9, [x16], #16\n" \
487 "stp d10, d11, [x16], #16\n" \
488 "stp d12, d13, [x16], #16\n" \
489 "stp d14, d15, [x16], #16\n" \
490 "stp d16, d17, [x16], #16\n" \
491 "stp d18, d19, [x16], #16\n" \
492 "stp d20, d21, [x16], #16\n" \
493 "stp d22, d23, [x16], #16\n" \
494 "stp d24, d25, [x16], #16\n" \
495 "stp d26, d27, [x16], #16\n" \
496 "stp d28, d29, [x16], #16\n" \
497 "stp d30, d31, [x16], #16\n" \
500 : "x16", "x30", "memory" \
502 __asm__ __volatile__( \
513 #define MONO_ARCH_HAS_MONO_CONTEXT 1
515 #elif defined(__mono_ppc__) /* defined(__arm__) */
517 /* we define our own structure and we'll copy the data
518 * from sigcontext/ucontext/mach when we need it.
519 * This also makes us save stack space and time when copying
520 * We might also want to add an additional field to propagate
521 * the original context from the signal handler.
523 #ifdef __mono_ppc64__
532 /* we have the stack pointer, not the base pointer in sigcontext */
533 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->sc_ir = (gulong)ip; } while (0);
534 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->sc_sp = (gulong)bp; } while (0);
535 #define MONO_CONTEXT_SET_SP(ctx,sp) do { (ctx)->sc_sp = (gulong)sp; } while (0);
537 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->sc_ir))
538 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->regs [ppc_r31]))
539 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->sc_sp))
541 #define MONO_CONTEXT_GET_CURRENT(ctx) \
542 __asm__ __volatile__( \
545 "std 0, 8*0+16(%0)\n" \
546 "std 1, 8*1+16(%0)\n" \
547 "std 2, 8*2+16(%0)\n" \
548 "std 3, 8*3+16(%0)\n" \
549 "std 4, 8*4+16(%0)\n" \
550 "std 5, 8*5+16(%0)\n" \
551 "std 6, 8*6+16(%0)\n" \
552 "std 7, 8*7+16(%0)\n" \
553 "std 8, 8*8+16(%0)\n" \
554 "std 9, 8*9+16(%0)\n" \
555 "std 10, 8*10+16(%0)\n" \
556 "std 11, 8*11+16(%0)\n" \
557 "std 12, 8*12+16(%0)\n" \
558 "std 13, 8*13+16(%0)\n" \
559 "std 14, 8*14+16(%0)\n" \
560 "std 15, 8*15+16(%0)\n" \
561 "std 16, 8*16+16(%0)\n" \
562 "std 17, 8*17+16(%0)\n" \
563 "std 18, 8*18+16(%0)\n" \
564 "std 19, 8*19+16(%0)\n" \
565 "std 20, 8*20+16(%0)\n" \
566 "std 21, 8*21+16(%0)\n" \
567 "std 22, 8*22+16(%0)\n" \
568 "std 23, 8*23+16(%0)\n" \
569 "std 24, 8*24+16(%0)\n" \
570 "std 25, 8*25+16(%0)\n" \
571 "std 26, 8*26+16(%0)\n" \
572 "std 27, 8*27+16(%0)\n" \
573 "std 28, 8*28+16(%0)\n" \
574 "std 29, 8*29+16(%0)\n" \
575 "std 30, 8*30+16(%0)\n" \
576 "std 31, 8*31+16(%0)\n" \
577 "stfd 0, 8*0+8*32+16(%0)\n" \
578 "stfd 1, 8*1+8*32+16(%0)\n" \
579 "stfd 2, 8*2+8*32+16(%0)\n" \
580 "stfd 3, 8*3+8*32+16(%0)\n" \
581 "stfd 4, 8*4+8*32+16(%0)\n" \
582 "stfd 5, 8*5+8*32+16(%0)\n" \
583 "stfd 6, 8*6+8*32+16(%0)\n" \
584 "stfd 7, 8*7+8*32+16(%0)\n" \
585 "stfd 8, 8*8+8*32+16(%0)\n" \
586 "stfd 9, 8*9+8*32+16(%0)\n" \
587 "stfd 10, 8*10+8*32+16(%0)\n" \
588 "stfd 11, 8*11+8*32+16(%0)\n" \
589 "stfd 12, 8*12+8*32+16(%0)\n" \
590 "stfd 13, 8*13+8*32+16(%0)\n" \
591 "stfd 14, 8*14+8*32+16(%0)\n" \
592 "stfd 15, 8*15+8*32+16(%0)\n" \
593 "stfd 16, 8*16+8*32+16(%0)\n" \
594 "stfd 17, 8*17+8*32+16(%0)\n" \
595 "stfd 18, 8*18+8*32+16(%0)\n" \
596 "stfd 19, 8*19+8*32+16(%0)\n" \
597 "stfd 20, 8*20+8*32+16(%0)\n" \
598 "stfd 21, 8*21+8*32+16(%0)\n" \
599 "stfd 22, 8*22+8*32+16(%0)\n" \
600 "stfd 23, 8*23+8*32+16(%0)\n" \
601 "stfd 24, 8*24+8*32+16(%0)\n" \
602 "stfd 25, 8*25+8*32+16(%0)\n" \
603 "stfd 26, 8*26+8*32+16(%0)\n" \
604 "stfd 27, 8*27+8*32+16(%0)\n" \
605 "stfd 28, 8*28+8*32+16(%0)\n" \
606 "stfd 29, 8*29+8*32+16(%0)\n" \
607 "stfd 30, 8*30+8*32+16(%0)\n" \
608 "stfd 31, 8*31+8*32+16(%0)\n" \
613 #else /* !defined(__mono_ppc64__) */
622 /* we have the stack pointer, not the base pointer in sigcontext */
623 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->sc_ir = (mgreg_t)ip; } while (0);
624 /* FIXME: should be called SET_SP */
625 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->sc_sp = (mgreg_t)bp; } while (0);
626 #define MONO_CONTEXT_SET_SP(ctx,sp) do { (ctx)->sc_sp = (mgreg_t)sp; } while (0);
628 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->sc_ir))
629 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->regs [ppc_r31]))
630 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->sc_sp))
632 #define MONO_CONTEXT_GET_CURRENT(ctx) \
633 __asm__ __volatile__( \
636 "stw 0, 4*0+8(%0)\n" \
637 "stw 1, 4*1+8(%0)\n" \
638 "stw 2, 4*2+8(%0)\n" \
639 "stw 3, 4*3+8(%0)\n" \
640 "stw 4, 4*4+8(%0)\n" \
641 "stw 5, 4*5+8(%0)\n" \
642 "stw 6, 4*6+8(%0)\n" \
643 "stw 7, 4*7+8(%0)\n" \
644 "stw 8, 4*8+8(%0)\n" \
645 "stw 9, 4*9+8(%0)\n" \
646 "stw 10, 4*10+8(%0)\n" \
647 "stw 11, 4*11+8(%0)\n" \
648 "stw 12, 4*12+8(%0)\n" \
649 "stw 13, 4*13+8(%0)\n" \
650 "stw 14, 4*14+8(%0)\n" \
651 "stw 15, 4*15+8(%0)\n" \
652 "stw 16, 4*16+8(%0)\n" \
653 "stw 17, 4*17+8(%0)\n" \
654 "stw 18, 4*18+8(%0)\n" \
655 "stw 19, 4*19+8(%0)\n" \
656 "stw 20, 4*20+8(%0)\n" \
657 "stw 21, 4*21+8(%0)\n" \
658 "stw 22, 4*22+8(%0)\n" \
659 "stw 23, 4*23+8(%0)\n" \
660 "stw 24, 4*24+8(%0)\n" \
661 "stw 25, 4*25+8(%0)\n" \
662 "stw 26, 4*26+8(%0)\n" \
663 "stw 27, 4*27+8(%0)\n" \
664 "stw 28, 4*28+8(%0)\n" \
665 "stw 29, 4*29+8(%0)\n" \
666 "stw 30, 4*30+8(%0)\n" \
667 "stw 31, 4*31+8(%0)\n" \
668 "stfd 0, 8*0+4*32+8(%0)\n" \
669 "stfd 1, 8*1+4*32+8(%0)\n" \
670 "stfd 2, 8*2+4*32+8(%0)\n" \
671 "stfd 3, 8*3+4*32+8(%0)\n" \
672 "stfd 4, 8*4+4*32+8(%0)\n" \
673 "stfd 5, 8*5+4*32+8(%0)\n" \
674 "stfd 6, 8*6+4*32+8(%0)\n" \
675 "stfd 7, 8*7+4*32+8(%0)\n" \
676 "stfd 8, 8*8+4*32+8(%0)\n" \
677 "stfd 9, 8*9+4*32+8(%0)\n" \
678 "stfd 10, 8*10+4*32+8(%0)\n" \
679 "stfd 11, 8*11+4*32+8(%0)\n" \
680 "stfd 12, 8*12+4*32+8(%0)\n" \
681 "stfd 13, 8*13+4*32+8(%0)\n" \
682 "stfd 14, 8*14+4*32+8(%0)\n" \
683 "stfd 15, 8*15+4*32+8(%0)\n" \
684 "stfd 16, 8*16+4*32+8(%0)\n" \
685 "stfd 17, 8*17+4*32+8(%0)\n" \
686 "stfd 18, 8*18+4*32+8(%0)\n" \
687 "stfd 19, 8*19+4*32+8(%0)\n" \
688 "stfd 20, 8*20+4*32+8(%0)\n" \
689 "stfd 21, 8*21+4*32+8(%0)\n" \
690 "stfd 22, 8*22+4*32+8(%0)\n" \
691 "stfd 23, 8*23+4*32+8(%0)\n" \
692 "stfd 24, 8*24+4*32+8(%0)\n" \
693 "stfd 25, 8*25+4*32+8(%0)\n" \
694 "stfd 26, 8*26+4*32+8(%0)\n" \
695 "stfd 27, 8*27+4*32+8(%0)\n" \
696 "stfd 28, 8*28+4*32+8(%0)\n" \
697 "stfd 29, 8*29+4*32+8(%0)\n" \
698 "stfd 30, 8*30+4*32+8(%0)\n" \
699 "stfd 31, 8*31+4*32+8(%0)\n" \
706 #define MONO_ARCH_HAS_MONO_CONTEXT 1
708 #elif defined(__sparc__) || defined(sparc) /* defined(__mono_ppc__) */
710 typedef struct MonoContext {
717 #define MONO_CONTEXT_SET_IP(ctx,eip) do { (ctx)->ip = (gpointer)(eip); } while (0);
718 #define MONO_CONTEXT_SET_BP(ctx,ebp) do { (ctx)->fp = (gpointer*)(ebp); } while (0);
719 #define MONO_CONTEXT_SET_SP(ctx,esp) do { (ctx)->sp = (gpointer*)(esp); } while (0);
721 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->ip))
722 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->fp))
723 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->sp))
726 #define MONO_CONTEXT_GET_CURRENT(ctx) \
727 __asm__ __volatile__( \
729 "st %%g2,[%0+0x08]\n" \
730 "st %%g3,[%0+0x10]\n" \
731 "st %%g4,[%0+0x18]\n" \
732 "st %%g5,[%0+0x20]\n" \
733 "st %%g6,[%0+0x28]\n" \
734 "st %%g7,[%0+0x30]\n" \
735 "st %%o0,[%0+0x38]\n" \
736 "st %%o1,[%0+0x40]\n" \
737 "st %%o2,[%0+0x48]\n" \
738 "st %%o3,[%0+0x50]\n" \
739 "st %%o4,[%0+0x58]\n" \
740 "st %%o5,[%0+0x60]\n" \
741 "st %%o6,[%0+0x68]\n" \
742 "st %%o7,[%0+0x70]\n" \
748 #define MONO_CONTEXT_GET_CURRENT(ctx) \
749 __asm__ __volatile__( \
751 "st %%g2,[%0+0x04]\n" \
752 "st %%g3,[%0+0x08]\n" \
753 "st %%g4,[%0+0x0c]\n" \
754 "st %%g5,[%0+0x10]\n" \
755 "st %%g6,[%0+0x14]\n" \
756 "st %%g7,[%0+0x18]\n" \
757 "st %%o0,[%0+0x1c]\n" \
758 "st %%o1,[%0+0x20]\n" \
759 "st %%o2,[%0+0x24]\n" \
760 "st %%o3,[%0+0x28]\n" \
761 "st %%o4,[%0+0x2c]\n" \
762 "st %%o5,[%0+0x30]\n" \
763 "st %%o6,[%0+0x34]\n" \
764 "st %%o7,[%0+0x38]\n" \
771 #define MONO_ARCH_HAS_MONO_CONTEXT 1
773 #elif defined(__ia64__) /*defined(__sparc__) || defined(sparc) */
775 #ifndef UNW_LOCAL_ONLY
777 #define UNW_LOCAL_ONLY
778 #include <libunwind.h>
782 typedef struct MonoContext {
784 /* Whenever the ip in 'cursor' points to the ip where the exception happened */
785 /* This is true for the initial context for exceptions thrown from signal handlers */
789 /*XXX SET_BP is missing*/
790 #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)
791 #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)
793 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)(mono_ia64_context_get_ip ((ctx))))
794 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)(mono_ia64_context_get_fp ((ctx))))
795 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)(mono_ia64_context_get_sp ((ctx))))
797 static inline unw_word_t
798 mono_ia64_context_get_ip (MonoContext *ctx)
803 err = unw_get_reg (&ctx->cursor, UNW_IA64_IP, &ip);
806 if (ctx->precise_ip) {
809 /* Subtrack 1 so ip points into the actual instruction */
814 static inline unw_word_t
815 mono_ia64_context_get_sp (MonoContext *ctx)
820 err = unw_get_reg (&ctx->cursor, UNW_IA64_SP, &sp);
826 static inline unw_word_t
827 mono_ia64_context_get_fp (MonoContext *ctx)
829 unw_cursor_t new_cursor;
836 err = unw_get_reg (&ctx->cursor, UNW_IA64_SP, &sp);
839 err = unw_get_reg (&ctx->cursor, UNW_IA64_IP, &ip);
843 /* fp is the SP of the parent frame */
844 new_cursor = ctx->cursor;
846 err = unw_step (&new_cursor);
849 err = unw_get_reg (&new_cursor, UNW_IA64_SP, &fp);
855 #elif ((defined(__mips__) && !defined(MONO_CROSS_COMPILE)) || (defined(TARGET_MIPS))) && SIZEOF_REGISTER == 4 /* defined(__ia64__) */
857 #define MONO_ARCH_HAS_MONO_CONTEXT 1
859 #include <mono/arch/mips/mips-codegen.h>
863 mgreg_t sc_regs [32];
864 gfloat sc_fpregs [32];
867 #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->sc_pc = (mgreg_t)(ip); } while (0);
868 #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->sc_regs[mips_fp] = (mgreg_t)(bp); } while (0);
869 #define MONO_CONTEXT_SET_SP(ctx,sp) do { (ctx)->sc_regs[mips_sp] = (mgreg_t)(sp); } while (0);
871 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->sc_pc))
872 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->sc_regs[mips_fp]))
873 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->sc_regs[mips_sp]))
875 #define MONO_CONTEXT_GET_CURRENT(ctx) \
876 __asm__ __volatile__( \
887 "sw $10,40(%0)\n\t" \
888 "sw $11,44(%0)\n\t" \
889 "sw $12,48(%0)\n\t" \
890 "sw $13,52(%0)\n\t" \
891 "sw $14,56(%0)\n\t" \
892 "sw $15,60(%0)\n\t" \
893 "sw $16,64(%0)\n\t" \
894 "sw $17,68(%0)\n\t" \
895 "sw $18,72(%0)\n\t" \
896 "sw $19,76(%0)\n\t" \
897 "sw $20,80(%0)\n\t" \
898 "sw $21,84(%0)\n\t" \
899 "sw $22,88(%0)\n\t" \
900 "sw $23,92(%0)\n\t" \
901 "sw $24,96(%0)\n\t" \
902 "sw $25,100(%0)\n\t" \
903 "sw $26,104(%0)\n\t" \
904 "sw $27,108(%0)\n\t" \
905 "sw $28,112(%0)\n\t" \
906 "sw $29,116(%0)\n\t" \
907 "sw $30,120(%0)\n\t" \
908 "sw $31,124(%0)\n\t" \
909 : : "r" (&(ctx).sc_regs [0]) \
913 #elif defined(__s390x__)
915 #define MONO_ARCH_HAS_MONO_CONTEXT 1
917 typedef struct ucontext MonoContext;
919 #define MONO_CONTEXT_SET_IP(ctx,ip) \
921 (ctx)->uc_mcontext.gregs[14] = (unsigned long)ip; \
922 (ctx)->uc_mcontext.psw.addr = (unsigned long)ip; \
925 #define MONO_CONTEXT_SET_SP(ctx,bp) MONO_CONTEXT_SET_BP((ctx),(bp))
926 #define MONO_CONTEXT_SET_BP(ctx,bp) \
928 (ctx)->uc_mcontext.gregs[15] = (unsigned long)bp; \
929 (ctx)->uc_stack.ss_sp = (void*)bp; \
932 #define MONO_CONTEXT_GET_IP(ctx) (gpointer) (ctx)->uc_mcontext.psw.addr
933 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->uc_mcontext.gregs[15]))
934 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->uc_mcontext.gregs[11]))
936 #define MONO_CONTEXT_GET_CURRENT(ctx) \
937 __asm__ __volatile__( \
938 "stmg %%r0,%%r15,0(%0)\n" \
939 : : "r" (&(ctx).uc_mcontext.gregs[0]) \
945 #error "Implement mono-context for the current arch"
950 * The naming is misleading, the SIGCTX argument should be the platform's context
951 * structure (ucontext_c on posix, CONTEXT on windows).
953 void mono_sigctx_to_monoctx (void *sigctx, MonoContext *mctx);
956 * This will not completely initialize SIGCTX since MonoContext contains less
957 * information that the system context. The caller should obtain a SIGCTX from
958 * the system, and use this function to override the parts of it which are
959 * also in MonoContext.
961 void mono_monoctx_to_sigctx (MonoContext *mctx, void *sigctx);
963 #endif /* __MONO_MONO_CONTEXT_H__ */