/** * \file * plat independent machine state definitions * * * Copyright (c) 2011 Novell, Inc (http://www.novell.com) * Licensed under the MIT license. See LICENSE file in the project root for full license information. */ #ifndef __MONO_MONO_CONTEXT_H__ #define __MONO_MONO_CONTEXT_H__ #include "mono-compiler.h" #include "mono-sigcontext.h" #include "mono-machine.h" #ifdef HAVE_SIGNAL_H #include #endif #define MONO_CONTEXT_OFFSET(field, index, field_type) \ "i" (offsetof (MonoContext, field) + (index) * sizeof (field_type)) #if defined(__APPLE__) typedef struct __darwin_xmm_reg MonoContextSimdReg; #endif /* * General notes about mono-context. * Each arch defines a MonoContext struct with all GPR regs + IP/PC. * IP/PC should be the last element of the struct (this is a mild sgen constraint we could drop if needed) * Macros to get/set BP, SP and IP are defined too. * MONO_CONTEXT_GET_CURRENT captures the current context as close as possible. One reg might be clobbered * to hold the address of the target MonoContext. It will be a caller save one, so should not be a problem. */ #if (defined(__i386__) && !defined(MONO_CROSS_COMPILE)) || (defined(TARGET_X86)) /*HACK, move this to an eventual mono-signal.c*/ #if defined( __linux__) || defined(__sun) || defined(__APPLE__) || defined(__NetBSD__) || \ defined(__FreeBSD__) || defined(__OpenBSD__) #if defined(HAVE_SIGACTION) || defined(__APPLE__) // the __APPLE__ check is required for the tvos simulator, which has ucontext_t but not sigaction #define MONO_SIGNAL_USE_UCONTEXT_T 1 #endif #endif #if defined(__native_client__) #undef MONO_SIGNAL_USE_UCONTEXT_T #endif #ifdef __HAIKU__ /* sigcontext surrogate */ struct sigcontext { vregs regs; }; #endif #ifdef HOST_WIN32 /* sigcontext surrogate */ struct sigcontext { unsigned int eax; unsigned int ebx; unsigned int ecx; unsigned int edx; unsigned int ebp; unsigned int esp; unsigned int esi; unsigned int edi; unsigned int eip; }; #endif #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__) # define SC_EAX sc_eax # define SC_EBX sc_ebx # define SC_ECX sc_ecx # define SC_EDX sc_edx # define SC_EBP sc_ebp # define SC_EIP sc_eip # define SC_ESP sc_esp # define SC_EDI sc_edi # define SC_ESI sc_esi #elif defined(__HAIKU__) # define SC_EAX regs.eax # define SC_EBX regs.ebx # define SC_ECX regs.ecx # define SC_EDX regs.edx # define SC_EBP regs.ebp # define SC_EIP regs.eip # define SC_ESP regs.esp # define SC_EDI regs.edi # define SC_ESI regs.esi #else # define SC_EAX eax # define SC_EBX ebx # define SC_ECX ecx # define SC_EDX edx # define SC_EBP ebp # define SC_EIP eip # define SC_ESP esp # define SC_EDI edi # define SC_ESI esi #endif #include typedef struct { mgreg_t eax; mgreg_t ebx; mgreg_t ecx; mgreg_t edx; mgreg_t ebp; mgreg_t esp; mgreg_t esi; mgreg_t edi; mgreg_t eip; #ifdef __APPLE__ MonoContextSimdReg fregs [X86_XMM_NREG]; #endif } MonoContext; #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->eip = (mgreg_t)(ip); } while (0); #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->ebp = (mgreg_t)(bp); } while (0); #define MONO_CONTEXT_SET_SP(ctx,sp) do { (ctx)->esp = (mgreg_t)(sp); } while (0); #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->eip)) #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->ebp)) #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->esp)) /*We set EAX to zero since we are clobering it anyway*/ #ifdef _MSC_VER #define MONO_CONTEXT_GET_CURRENT(ctx) do { \ void *_ptr = &(ctx); \ __asm { \ __asm mov eax, _ptr \ __asm mov [eax+0x00], eax \ __asm mov [eax+0x04], ebx \ __asm mov [eax+0x08], ecx \ __asm mov [eax+0x0c], edx \ __asm mov [eax+0x10], ebp \ __asm mov [eax+0x14], esp \ __asm mov [eax+0x18], esi \ __asm mov [eax+0x1c], edi \ __asm call __mono_context_get_ip \ __asm __mono_context_get_ip: \ __asm pop dword ptr [eax+0x20] \ } \ } while (0) #else #define MONO_CONTEXT_GET_CURRENT_GREGS(ctx) \ __asm__ __volatile__( \ "movl $0x0, %c[eax](%0)\n" \ "mov %%ebx, %c[ebx](%0)\n" \ "mov %%ecx, %c[ecx](%0)\n" \ "mov %%edx, %c[edx](%0)\n" \ "mov %%ebp, %c[ebp](%0)\n" \ "mov %%esp, %c[esp](%0)\n" \ "mov %%esi, %c[esi](%0)\n" \ "mov %%edi, %c[edi](%0)\n" \ "call 1f\n" \ "1: pop 0x20(%0)\n" \ : \ : "a" (&(ctx)), \ [eax] MONO_CONTEXT_OFFSET (eax, 0, mgreg_t), \ [ebx] MONO_CONTEXT_OFFSET (ebx, 0, mgreg_t), \ [ecx] MONO_CONTEXT_OFFSET (ecx, 0, mgreg_t), \ [edx] MONO_CONTEXT_OFFSET (edx, 0, mgreg_t), \ [ebp] MONO_CONTEXT_OFFSET (ebp, 0, mgreg_t), \ [esp] MONO_CONTEXT_OFFSET (esp, 0, mgreg_t), \ [esi] MONO_CONTEXT_OFFSET (esi, 0, mgreg_t), \ [edi] MONO_CONTEXT_OFFSET (edi, 0, mgreg_t) \ : "memory") #ifdef UCONTEXT_REG_XMM #define MONO_CONTEXT_GET_CURRENT_FREGS(ctx) \ do { \ __asm__ __volatile__ ( \ "movups %%xmm0, %c[xmm0](%0)\n" \ "movups %%xmm1, %c[xmm1](%0)\n" \ "movups %%xmm2, %c[xmm2](%0)\n" \ "movups %%xmm3, %c[xmm3](%0)\n" \ "movups %%xmm4, %c[xmm4](%0)\n" \ "movups %%xmm5, %c[xmm5](%0)\n" \ "movups %%xmm6, %c[xmm6](%0)\n" \ "movups %%xmm7, %c[xmm7](%0)\n" \ : \ : "a" (&(ctx)), \ [xmm0] MONO_CONTEXT_OFFSET (fregs, X86_XMM0, MonoContextSimdReg), \ [xmm1] MONO_CONTEXT_OFFSET (fregs, X86_XMM1, MonoContextSimdReg), \ [xmm2] MONO_CONTEXT_OFFSET (fregs, X86_XMM2, MonoContextSimdReg), \ [xmm3] MONO_CONTEXT_OFFSET (fregs, X86_XMM3, MonoContextSimdReg), \ [xmm4] MONO_CONTEXT_OFFSET (fregs, X86_XMM4, MonoContextSimdReg), \ [xmm5] MONO_CONTEXT_OFFSET (fregs, X86_XMM5, MonoContextSimdReg), \ [xmm6] MONO_CONTEXT_OFFSET (fregs, X86_XMM6, MonoContextSimdReg), \ [xmm7] MONO_CONTEXT_OFFSET (fregs, X86_XMM7, MonoContextSimdReg)); \ } while (0) #else #define MONO_CONTEXT_GET_CURRENT_FREGS(ctx) #endif #define MONO_CONTEXT_GET_CURRENT(ctx) \ do { \ MONO_CONTEXT_GET_CURRENT_GREGS(ctx); \ MONO_CONTEXT_GET_CURRENT_FREGS(ctx); \ } while (0) #endif #define MONO_ARCH_HAS_MONO_CONTEXT 1 #elif (defined(__x86_64__) && !defined(MONO_CROSS_COMPILE)) || (defined(TARGET_AMD64)) /* defined(__i386__) */ #include #if !defined( HOST_WIN32 ) && !defined(__native_client__) && !defined(__native_client_codegen__) #if defined(HAVE_SIGACTION) || defined(__APPLE__) // the __APPLE__ check is required for the tvos simulator, which has ucontext_t but not sigaction #define MONO_SIGNAL_USE_UCONTEXT_T 1 #endif #endif typedef struct { mgreg_t gregs [AMD64_NREG]; #ifdef __APPLE__ MonoContextSimdReg fregs [AMD64_XMM_NREG]; #else double fregs [AMD64_XMM_NREG]; #endif } MonoContext; #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->gregs [AMD64_RIP] = (mgreg_t)(ip); } while (0); #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->gregs [AMD64_RBP] = (mgreg_t)(bp); } while (0); #define MONO_CONTEXT_SET_SP(ctx,esp) do { (ctx)->gregs [AMD64_RSP] = (mgreg_t)(esp); } while (0); #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->gregs [AMD64_RIP])) #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->gregs [AMD64_RBP])) #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->gregs [AMD64_RSP])) #if defined (HOST_WIN32) && !defined(__GNUC__) /* msvc doesn't support inline assembly, so have to use a separate .asm file */ extern void mono_context_get_current (void *); #define MONO_CONTEXT_GET_CURRENT(ctx) do { mono_context_get_current((void*)&(ctx)); } while (0) #elif defined(__native_client__) #define MONO_CONTEXT_GET_CURRENT(ctx) \ __asm__ __volatile__( \ "movq $0x0, %%nacl:0x00(%%r15, %0, 1)\n" \ "movq %%rcx, %%nacl:0x08(%%r15, %0, 1)\n" \ "movq %%rdx, %%nacl:0x10(%%r15, %0, 1)\n" \ "movq %%rbx, %%nacl:0x18(%%r15, %0, 1)\n" \ "movq %%rsp, %%nacl:0x20(%%r15, %0, 1)\n" \ "movq %%rbp, %%nacl:0x28(%%r15, %0, 1)\n" \ "movq %%rsi, %%nacl:0x30(%%r15, %0, 1)\n" \ "movq %%rdi, %%nacl:0x38(%%r15, %0, 1)\n" \ "movq %%r8, %%nacl:0x40(%%r15, %0, 1)\n" \ "movq %%r9, %%nacl:0x48(%%r15, %0, 1)\n" \ "movq %%r10, %%nacl:0x50(%%r15, %0, 1)\n" \ "movq %%r11, %%nacl:0x58(%%r15, %0, 1)\n" \ "movq %%r12, %%nacl:0x60(%%r15, %0, 1)\n" \ "movq %%r13, %%nacl:0x68(%%r15, %0, 1)\n" \ "movq %%r14, %%nacl:0x70(%%r15, %0, 1)\n" \ "movq %%r15, %%nacl:0x78(%%r15, %0, 1)\n" \ "leaq (%%rip), %%rdx\n" \ "movq %%rdx, %%nacl:0x80(%%r15, %0, 1)\n" \ : \ : "a" ((int64_t)&(ctx)) \ : "rdx", "memory") #else #define MONO_CONTEXT_GET_CURRENT_GREGS(ctx) \ do { \ __asm__ __volatile__( \ "movq $0x0, %c[rax](%0)\n" \ "movq %%rcx, %c[rcx](%0)\n" \ "movq %%rdx, %c[rdx](%0)\n" \ "movq %%rbx, %c[rbx](%0)\n" \ "movq %%rsp, %c[rsp](%0)\n" \ "movq %%rbp, %c[rbp](%0)\n" \ "movq %%rsi, %c[rsi](%0)\n" \ "movq %%rdi, %c[rdi](%0)\n" \ "movq %%r8, %c[r8](%0)\n" \ "movq %%r9, %c[r9](%0)\n" \ "movq %%r10, %c[r10](%0)\n" \ "movq %%r11, %c[r11](%0)\n" \ "movq %%r12, %c[r12](%0)\n" \ "movq %%r13, %c[r13](%0)\n" \ "movq %%r14, %c[r14](%0)\n" \ "movq %%r15, %c[r15](%0)\n" \ /* "leaq (%%rip), %%rdx\n" is not understood by icc */ \ ".byte 0x48, 0x8d, 0x15, 0x00, 0x00, 0x00, 0x00\n" \ "movq %%rdx, %c[rip](%0)\n" \ : \ : "a" (&(ctx)), \ [rax] MONO_CONTEXT_OFFSET (gregs, AMD64_RAX, mgreg_t), \ [rcx] MONO_CONTEXT_OFFSET (gregs, AMD64_RCX, mgreg_t), \ [rdx] MONO_CONTEXT_OFFSET (gregs, AMD64_RDX, mgreg_t), \ [rbx] MONO_CONTEXT_OFFSET (gregs, AMD64_RBX, mgreg_t), \ [rsp] MONO_CONTEXT_OFFSET (gregs, AMD64_RSP, mgreg_t), \ [rbp] MONO_CONTEXT_OFFSET (gregs, AMD64_RBP, mgreg_t), \ [rsi] MONO_CONTEXT_OFFSET (gregs, AMD64_RSI, mgreg_t), \ [rdi] MONO_CONTEXT_OFFSET (gregs, AMD64_RDI, mgreg_t), \ [r8] MONO_CONTEXT_OFFSET (gregs, AMD64_R8, mgreg_t), \ [r9] MONO_CONTEXT_OFFSET (gregs, AMD64_R9, mgreg_t), \ [r10] MONO_CONTEXT_OFFSET (gregs, AMD64_R10, mgreg_t), \ [r11] MONO_CONTEXT_OFFSET (gregs, AMD64_R11, mgreg_t), \ [r12] MONO_CONTEXT_OFFSET (gregs, AMD64_R12, mgreg_t), \ [r13] MONO_CONTEXT_OFFSET (gregs, AMD64_R13, mgreg_t), \ [r14] MONO_CONTEXT_OFFSET (gregs, AMD64_R14, mgreg_t), \ [r15] MONO_CONTEXT_OFFSET (gregs, AMD64_R15, mgreg_t), \ [rip] MONO_CONTEXT_OFFSET (gregs, AMD64_RIP, mgreg_t) \ : "rdx", "memory"); \ } while (0) #ifdef UCONTEXT_REG_XMM #define MONO_CONTEXT_GET_CURRENT_FREGS(ctx) \ do { \ __asm__ __volatile__ ( \ "movups %%xmm0, %c[xmm0](%0)\n" \ "movups %%xmm1, %c[xmm1](%0)\n" \ "movups %%xmm2, %c[xmm2](%0)\n" \ "movups %%xmm3, %c[xmm3](%0)\n" \ "movups %%xmm4, %c[xmm4](%0)\n" \ "movups %%xmm5, %c[xmm5](%0)\n" \ "movups %%xmm6, %c[xmm6](%0)\n" \ "movups %%xmm7, %c[xmm7](%0)\n" \ "movups %%xmm8, %c[xmm8](%0)\n" \ "movups %%xmm9, %c[xmm9](%0)\n" \ "movups %%xmm10, %c[xmm10](%0)\n" \ "movups %%xmm11, %c[xmm11](%0)\n" \ "movups %%xmm12, %c[xmm12](%0)\n" \ "movups %%xmm12, %c[xmm12](%0)\n" \ "movups %%xmm14, %c[xmm14](%0)\n" \ "movups %%xmm15, %c[xmm15](%0)\n" \ : \ : "a" (&(ctx)), \ [xmm0] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM0, MonoContextSimdReg), \ [xmm1] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM1, MonoContextSimdReg), \ [xmm2] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM2, MonoContextSimdReg), \ [xmm3] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM3, MonoContextSimdReg), \ [xmm4] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM4, MonoContextSimdReg), \ [xmm5] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM5, MonoContextSimdReg), \ [xmm6] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM6, MonoContextSimdReg), \ [xmm7] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM7, MonoContextSimdReg), \ [xmm8] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM8, MonoContextSimdReg), \ [xmm9] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM9, MonoContextSimdReg), \ [xmm10] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM10, MonoContextSimdReg), \ [xmm11] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM11, MonoContextSimdReg), \ [xmm12] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM12, MonoContextSimdReg), \ [xmm13] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM13, MonoContextSimdReg), \ [xmm14] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM14, MonoContextSimdReg), \ [xmm15] MONO_CONTEXT_OFFSET (fregs, AMD64_XMM15, MonoContextSimdReg)); \ } while (0) #else #define MONO_CONTEXT_GET_CURRENT_FREGS(ctx) #endif #define MONO_CONTEXT_GET_CURRENT(ctx) \ do { \ MONO_CONTEXT_GET_CURRENT_GREGS(ctx); \ MONO_CONTEXT_GET_CURRENT_FREGS(ctx); \ } while (0) #endif #define MONO_ARCH_HAS_MONO_CONTEXT 1 #elif (defined(__arm__) && !defined(MONO_CROSS_COMPILE)) || (defined(TARGET_ARM)) /* defined(__x86_64__) */ #include typedef struct { mgreg_t pc; mgreg_t regs [16]; double fregs [16]; mgreg_t cpsr; } MonoContext; /* we have the stack pointer, not the base pointer in sigcontext */ #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->pc = (mgreg_t)ip; } while (0); #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->regs [ARMREG_FP] = (mgreg_t)bp; } while (0); #define MONO_CONTEXT_SET_SP(ctx,bp) do { (ctx)->regs [ARMREG_SP] = (mgreg_t)bp; } while (0); #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->pc)) #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->regs [ARMREG_FP])) #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->regs [ARMREG_SP])) #if defined(HOST_WATCHOS) #define MONO_CONTEXT_GET_CURRENT(ctx) do { \ gpointer _dummy; \ ctx.regs [ARMREG_SP] = &_dummy; \ } while (0); #else #define MONO_CONTEXT_GET_CURRENT(ctx) do { \ __asm__ __volatile__( \ "push {r0}\n" \ "push {r1}\n" \ "mov r0, %0\n" \ "ldr r1, [sp, #4]\n" \ "str r1, [r0], #4\n" \ "ldr r1, [sp, #0]\n" \ "str r1, [r0], #4\n" \ "stmia r0!, {r2-r12}\n" \ "str sp, [r0], #4\n" \ "str lr, [r0], #4\n" \ "mov r1, pc\n" \ "str r1, [r0], #4\n" \ "pop {r1}\n" \ "pop {r0}\n" \ : \ : "r" (&ctx.regs) \ : "memory" \ ); \ ctx.pc = ctx.regs [15]; \ } while (0) #endif #define MONO_ARCH_HAS_MONO_CONTEXT 1 #elif (defined(__aarch64__) && !defined(MONO_CROSS_COMPILE)) || (defined(TARGET_ARM64)) #include typedef struct { mgreg_t regs [32]; double fregs [32]; mgreg_t pc; /* * fregs might not be initialized if this context was created from a * ucontext. */ mgreg_t has_fregs; } MonoContext; #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->pc = (mgreg_t)ip; } while (0) #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->regs [ARMREG_FP] = (mgreg_t)bp; } while (0); #define MONO_CONTEXT_SET_SP(ctx,bp) do { (ctx)->regs [ARMREG_SP] = (mgreg_t)bp; } while (0); #define MONO_CONTEXT_GET_IP(ctx) (gpointer)((ctx)->pc) #define MONO_CONTEXT_GET_BP(ctx) (gpointer)((ctx)->regs [ARMREG_FP]) #define MONO_CONTEXT_GET_SP(ctx) (gpointer)((ctx)->regs [ARMREG_SP]) #if defined (HOST_APPLETVOS) #define MONO_CONTEXT_GET_CURRENT(ctx) do { \ arm_unified_thread_state_t thread_state; \ int state_flavor = ARM_UNIFIED_THREAD_STATE; \ unsigned state_count = ARM_UNIFIED_THREAD_STATE_COUNT; \ thread_port_t self = mach_thread_self (); \ kern_return_t ret = thread_get_state (self, state_flavor, (thread_state_t) &thread_state, &state_count); \ g_assert (ret == 0); \ mono_mach_arch_thread_states_to_mono_context ((thread_state_t)&thread_state, (thread_state_t)NULL, &ctx); \ mach_port_deallocate (current_task (), self); \ } while (0); #else #define MONO_CONTEXT_GET_CURRENT(ctx) do { \ __asm__ __volatile__( \ "mov x16, %0\n" \ "stp x0, x1, [x16], #16\n" \ "stp x2, x3, [x16], #16\n" \ "stp x4, x5, [x16], #16\n" \ "stp x6, x7, [x16], #16\n" \ "stp x8, x9, [x16], #16\n" \ "stp x10, x11, [x16], #16\n" \ "stp x12, x13, [x16], #16\n" \ "stp x14, x15, [x16], #16\n" \ "stp xzr, x17, [x16], #16\n" \ "stp x18, x19, [x16], #16\n" \ "stp x20, x21, [x16], #16\n" \ "stp x22, x23, [x16], #16\n" \ "stp x24, x25, [x16], #16\n" \ "stp x26, x27, [x16], #16\n" \ "stp x28, x29, [x16], #16\n" \ "stp x30, xzr, [x16], #8\n" \ "mov x30, sp\n" \ "str x30, [x16], #8\n" \ "stp d0, d1, [x16], #16\n" \ "stp d2, d3, [x16], #16\n" \ "stp d4, d5, [x16], #16\n" \ "stp d6, d7, [x16], #16\n" \ "stp d8, d9, [x16], #16\n" \ "stp d10, d11, [x16], #16\n" \ "stp d12, d13, [x16], #16\n" \ "stp d14, d15, [x16], #16\n" \ "stp d16, d17, [x16], #16\n" \ "stp d18, d19, [x16], #16\n" \ "stp d20, d21, [x16], #16\n" \ "stp d22, d23, [x16], #16\n" \ "stp d24, d25, [x16], #16\n" \ "stp d26, d27, [x16], #16\n" \ "stp d28, d29, [x16], #16\n" \ "stp d30, d31, [x16], #16\n" \ : \ : "r" (&ctx.regs) \ : "x16", "x30", "memory" \ ); \ __asm__ __volatile__( \ "adr %0, L0%=\n" \ "L0%=:\n" \ : "=r" (ctx.pc) \ : \ : "memory" \ ); \ } while (0) #endif #define MONO_ARCH_HAS_MONO_CONTEXT 1 #elif defined(__mono_ppc__) /* defined(__arm__) */ /* we define our own structure and we'll copy the data * from sigcontext/ucontext/mach when we need it. * This also makes us save stack space and time when copying * We might also want to add an additional field to propagate * the original context from the signal handler. */ #ifdef __mono_ppc64__ typedef struct { gulong sc_ir; // pc gulong sc_sp; // r1 mgreg_t regs [32]; double fregs [32]; } MonoContext; /* we have the stack pointer, not the base pointer in sigcontext */ #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->sc_ir = (gulong)ip; } while (0); #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->sc_sp = (gulong)bp; } while (0); #define MONO_CONTEXT_SET_SP(ctx,sp) do { (ctx)->sc_sp = (gulong)sp; } while (0); #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->sc_ir)) #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->regs [ppc_r31])) #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->sc_sp)) #define MONO_CONTEXT_GET_CURRENT(ctx) \ __asm__ __volatile__( \ "std 0, 0(%0)\n" \ "std 1, 8(%0)\n" \ "std 0, 8*0+16(%0)\n" \ "std 1, 8*1+16(%0)\n" \ "std 2, 8*2+16(%0)\n" \ "std 3, 8*3+16(%0)\n" \ "std 4, 8*4+16(%0)\n" \ "std 5, 8*5+16(%0)\n" \ "std 6, 8*6+16(%0)\n" \ "std 7, 8*7+16(%0)\n" \ "std 8, 8*8+16(%0)\n" \ "std 9, 8*9+16(%0)\n" \ "std 10, 8*10+16(%0)\n" \ "std 11, 8*11+16(%0)\n" \ "std 12, 8*12+16(%0)\n" \ "std 13, 8*13+16(%0)\n" \ "std 14, 8*14+16(%0)\n" \ "std 15, 8*15+16(%0)\n" \ "std 16, 8*16+16(%0)\n" \ "std 17, 8*17+16(%0)\n" \ "std 18, 8*18+16(%0)\n" \ "std 19, 8*19+16(%0)\n" \ "std 20, 8*20+16(%0)\n" \ "std 21, 8*21+16(%0)\n" \ "std 22, 8*22+16(%0)\n" \ "std 23, 8*23+16(%0)\n" \ "std 24, 8*24+16(%0)\n" \ "std 25, 8*25+16(%0)\n" \ "std 26, 8*26+16(%0)\n" \ "std 27, 8*27+16(%0)\n" \ "std 28, 8*28+16(%0)\n" \ "std 29, 8*29+16(%0)\n" \ "std 30, 8*30+16(%0)\n" \ "std 31, 8*31+16(%0)\n" \ "stfd 0, 8*0+8*32+16(%0)\n" \ "stfd 1, 8*1+8*32+16(%0)\n" \ "stfd 2, 8*2+8*32+16(%0)\n" \ "stfd 3, 8*3+8*32+16(%0)\n" \ "stfd 4, 8*4+8*32+16(%0)\n" \ "stfd 5, 8*5+8*32+16(%0)\n" \ "stfd 6, 8*6+8*32+16(%0)\n" \ "stfd 7, 8*7+8*32+16(%0)\n" \ "stfd 8, 8*8+8*32+16(%0)\n" \ "stfd 9, 8*9+8*32+16(%0)\n" \ "stfd 10, 8*10+8*32+16(%0)\n" \ "stfd 11, 8*11+8*32+16(%0)\n" \ "stfd 12, 8*12+8*32+16(%0)\n" \ "stfd 13, 8*13+8*32+16(%0)\n" \ "stfd 14, 8*14+8*32+16(%0)\n" \ "stfd 15, 8*15+8*32+16(%0)\n" \ "stfd 16, 8*16+8*32+16(%0)\n" \ "stfd 17, 8*17+8*32+16(%0)\n" \ "stfd 18, 8*18+8*32+16(%0)\n" \ "stfd 19, 8*19+8*32+16(%0)\n" \ "stfd 20, 8*20+8*32+16(%0)\n" \ "stfd 21, 8*21+8*32+16(%0)\n" \ "stfd 22, 8*22+8*32+16(%0)\n" \ "stfd 23, 8*23+8*32+16(%0)\n" \ "stfd 24, 8*24+8*32+16(%0)\n" \ "stfd 25, 8*25+8*32+16(%0)\n" \ "stfd 26, 8*26+8*32+16(%0)\n" \ "stfd 27, 8*27+8*32+16(%0)\n" \ "stfd 28, 8*28+8*32+16(%0)\n" \ "stfd 29, 8*29+8*32+16(%0)\n" \ "stfd 30, 8*30+8*32+16(%0)\n" \ "stfd 31, 8*31+8*32+16(%0)\n" \ : : "r" (&(ctx)) \ : "memory" \ ) #else /* !defined(__mono_ppc64__) */ typedef struct { mgreg_t sc_ir; // pc mgreg_t sc_sp; // r1 mgreg_t regs [32]; double fregs [32]; } MonoContext; /* we have the stack pointer, not the base pointer in sigcontext */ #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->sc_ir = (mgreg_t)ip; } while (0); /* FIXME: should be called SET_SP */ #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->sc_sp = (mgreg_t)bp; } while (0); #define MONO_CONTEXT_SET_SP(ctx,sp) do { (ctx)->sc_sp = (mgreg_t)sp; } while (0); #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->sc_ir)) #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->regs [ppc_r31])) #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->sc_sp)) #define MONO_CONTEXT_GET_CURRENT(ctx) \ __asm__ __volatile__( \ "stw 0, 0(%0)\n" \ "stw 1, 4(%0)\n" \ "stw 0, 4*0+8(%0)\n" \ "stw 1, 4*1+8(%0)\n" \ "stw 2, 4*2+8(%0)\n" \ "stw 3, 4*3+8(%0)\n" \ "stw 4, 4*4+8(%0)\n" \ "stw 5, 4*5+8(%0)\n" \ "stw 6, 4*6+8(%0)\n" \ "stw 7, 4*7+8(%0)\n" \ "stw 8, 4*8+8(%0)\n" \ "stw 9, 4*9+8(%0)\n" \ "stw 10, 4*10+8(%0)\n" \ "stw 11, 4*11+8(%0)\n" \ "stw 12, 4*12+8(%0)\n" \ "stw 13, 4*13+8(%0)\n" \ "stw 14, 4*14+8(%0)\n" \ "stw 15, 4*15+8(%0)\n" \ "stw 16, 4*16+8(%0)\n" \ "stw 17, 4*17+8(%0)\n" \ "stw 18, 4*18+8(%0)\n" \ "stw 19, 4*19+8(%0)\n" \ "stw 20, 4*20+8(%0)\n" \ "stw 21, 4*21+8(%0)\n" \ "stw 22, 4*22+8(%0)\n" \ "stw 23, 4*23+8(%0)\n" \ "stw 24, 4*24+8(%0)\n" \ "stw 25, 4*25+8(%0)\n" \ "stw 26, 4*26+8(%0)\n" \ "stw 27, 4*27+8(%0)\n" \ "stw 28, 4*28+8(%0)\n" \ "stw 29, 4*29+8(%0)\n" \ "stw 30, 4*30+8(%0)\n" \ "stw 31, 4*31+8(%0)\n" \ "stfd 0, 8*0+4*32+8(%0)\n" \ "stfd 1, 8*1+4*32+8(%0)\n" \ "stfd 2, 8*2+4*32+8(%0)\n" \ "stfd 3, 8*3+4*32+8(%0)\n" \ "stfd 4, 8*4+4*32+8(%0)\n" \ "stfd 5, 8*5+4*32+8(%0)\n" \ "stfd 6, 8*6+4*32+8(%0)\n" \ "stfd 7, 8*7+4*32+8(%0)\n" \ "stfd 8, 8*8+4*32+8(%0)\n" \ "stfd 9, 8*9+4*32+8(%0)\n" \ "stfd 10, 8*10+4*32+8(%0)\n" \ "stfd 11, 8*11+4*32+8(%0)\n" \ "stfd 12, 8*12+4*32+8(%0)\n" \ "stfd 13, 8*13+4*32+8(%0)\n" \ "stfd 14, 8*14+4*32+8(%0)\n" \ "stfd 15, 8*15+4*32+8(%0)\n" \ "stfd 16, 8*16+4*32+8(%0)\n" \ "stfd 17, 8*17+4*32+8(%0)\n" \ "stfd 18, 8*18+4*32+8(%0)\n" \ "stfd 19, 8*19+4*32+8(%0)\n" \ "stfd 20, 8*20+4*32+8(%0)\n" \ "stfd 21, 8*21+4*32+8(%0)\n" \ "stfd 22, 8*22+4*32+8(%0)\n" \ "stfd 23, 8*23+4*32+8(%0)\n" \ "stfd 24, 8*24+4*32+8(%0)\n" \ "stfd 25, 8*25+4*32+8(%0)\n" \ "stfd 26, 8*26+4*32+8(%0)\n" \ "stfd 27, 8*27+4*32+8(%0)\n" \ "stfd 28, 8*28+4*32+8(%0)\n" \ "stfd 29, 8*29+4*32+8(%0)\n" \ "stfd 30, 8*30+4*32+8(%0)\n" \ "stfd 31, 8*31+4*32+8(%0)\n" \ : : "r" (&(ctx)) \ : "memory", "r0" \ ) #endif #define MONO_ARCH_HAS_MONO_CONTEXT 1 #elif defined(__sparc__) || defined(sparc) /* defined(__mono_ppc__) */ typedef struct MonoContext { mgreg_t regs [15]; guint8 *ip; gpointer *sp; gpointer *fp; } MonoContext; #define MONO_CONTEXT_SET_IP(ctx,eip) do { (ctx)->ip = (gpointer)(eip); } while (0); #define MONO_CONTEXT_SET_BP(ctx,ebp) do { (ctx)->fp = (gpointer*)(ebp); } while (0); #define MONO_CONTEXT_SET_SP(ctx,esp) do { (ctx)->sp = (gpointer*)(esp); } while (0); #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->ip)) #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->fp)) #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->sp)) #ifdef __sparcv9 #define MONO_CONTEXT_GET_CURRENT(ctx) \ __asm__ __volatile__( \ "st %%g1,[%0]\n" \ "st %%g2,[%0+0x08]\n" \ "st %%g3,[%0+0x10]\n" \ "st %%g4,[%0+0x18]\n" \ "st %%g5,[%0+0x20]\n" \ "st %%g6,[%0+0x28]\n" \ "st %%g7,[%0+0x30]\n" \ "st %%o0,[%0+0x38]\n" \ "st %%o1,[%0+0x40]\n" \ "st %%o2,[%0+0x48]\n" \ "st %%o3,[%0+0x50]\n" \ "st %%o4,[%0+0x58]\n" \ "st %%o5,[%0+0x60]\n" \ "st %%o6,[%0+0x68]\n" \ "st %%o7,[%0+0x70]\n" \ : \ : "r" (&(ctx)) \ : "memory" \ ) #else #define MONO_CONTEXT_GET_CURRENT(ctx) \ __asm__ __volatile__( \ "st %%g1,[%0]\n" \ "st %%g2,[%0+0x04]\n" \ "st %%g3,[%0+0x08]\n" \ "st %%g4,[%0+0x0c]\n" \ "st %%g5,[%0+0x10]\n" \ "st %%g6,[%0+0x14]\n" \ "st %%g7,[%0+0x18]\n" \ "st %%o0,[%0+0x1c]\n" \ "st %%o1,[%0+0x20]\n" \ "st %%o2,[%0+0x24]\n" \ "st %%o3,[%0+0x28]\n" \ "st %%o4,[%0+0x2c]\n" \ "st %%o5,[%0+0x30]\n" \ "st %%o6,[%0+0x34]\n" \ "st %%o7,[%0+0x38]\n" \ : \ : "r" (&(ctx)) \ : "memory" \ ) #endif #define MONO_ARCH_HAS_MONO_CONTEXT 1 #elif defined(__ia64__) /*defined(__sparc__) || defined(sparc) */ #ifndef UNW_LOCAL_ONLY #define UNW_LOCAL_ONLY #include #endif typedef struct MonoContext { unw_cursor_t cursor; /* Whenever the ip in 'cursor' points to the ip where the exception happened */ /* This is true for the initial context for exceptions thrown from signal handlers */ gboolean precise_ip; } MonoContext; /*XXX SET_BP is missing*/ #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) #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) #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)(mono_ia64_context_get_ip ((ctx)))) #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)(mono_ia64_context_get_fp ((ctx)))) #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)(mono_ia64_context_get_sp ((ctx)))) static inline unw_word_t mono_ia64_context_get_ip (MonoContext *ctx) { unw_word_t ip; int err; err = unw_get_reg (&ctx->cursor, UNW_IA64_IP, &ip); g_assert (err == 0); if (ctx->precise_ip) { return ip; } else { /* Subtrack 1 so ip points into the actual instruction */ return ip - 1; } } static inline unw_word_t mono_ia64_context_get_sp (MonoContext *ctx) { unw_word_t sp; int err; err = unw_get_reg (&ctx->cursor, UNW_IA64_SP, &sp); g_assert (err == 0); return sp; } static inline unw_word_t mono_ia64_context_get_fp (MonoContext *ctx) { unw_cursor_t new_cursor; unw_word_t fp; int err; { unw_word_t ip, sp; err = unw_get_reg (&ctx->cursor, UNW_IA64_SP, &sp); g_assert (err == 0); err = unw_get_reg (&ctx->cursor, UNW_IA64_IP, &ip); g_assert (err == 0); } /* fp is the SP of the parent frame */ new_cursor = ctx->cursor; err = unw_step (&new_cursor); g_assert (err >= 0); err = unw_get_reg (&new_cursor, UNW_IA64_SP, &fp); g_assert (err == 0); return fp; } #elif ((defined(__mips__) && !defined(MONO_CROSS_COMPILE)) || (defined(TARGET_MIPS))) && SIZEOF_REGISTER == 4 /* defined(__ia64__) */ #define MONO_ARCH_HAS_MONO_CONTEXT 1 #include typedef struct { mgreg_t sc_pc; mgreg_t sc_regs [32]; gfloat sc_fpregs [32]; } MonoContext; #define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->sc_pc = (mgreg_t)(ip); } while (0); #define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->sc_regs[mips_fp] = (mgreg_t)(bp); } while (0); #define MONO_CONTEXT_SET_SP(ctx,sp) do { (ctx)->sc_regs[mips_sp] = (mgreg_t)(sp); } while (0); #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->sc_pc)) #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->sc_regs[mips_fp])) #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->sc_regs[mips_sp])) #define MONO_CONTEXT_GET_CURRENT(ctx) \ __asm__ __volatile__( \ "sw $0,0(%0)\n\t" \ "sw $1,4(%0)\n\t" \ "sw $2,8(%0)\n\t" \ "sw $3,12(%0)\n\t" \ "sw $4,16(%0)\n\t" \ "sw $5,20(%0)\n\t" \ "sw $6,24(%0)\n\t" \ "sw $7,28(%0)\n\t" \ "sw $8,32(%0)\n\t" \ "sw $9,36(%0)\n\t" \ "sw $10,40(%0)\n\t" \ "sw $11,44(%0)\n\t" \ "sw $12,48(%0)\n\t" \ "sw $13,52(%0)\n\t" \ "sw $14,56(%0)\n\t" \ "sw $15,60(%0)\n\t" \ "sw $16,64(%0)\n\t" \ "sw $17,68(%0)\n\t" \ "sw $18,72(%0)\n\t" \ "sw $19,76(%0)\n\t" \ "sw $20,80(%0)\n\t" \ "sw $21,84(%0)\n\t" \ "sw $22,88(%0)\n\t" \ "sw $23,92(%0)\n\t" \ "sw $24,96(%0)\n\t" \ "sw $25,100(%0)\n\t" \ "sw $26,104(%0)\n\t" \ "sw $27,108(%0)\n\t" \ "sw $28,112(%0)\n\t" \ "sw $29,116(%0)\n\t" \ "sw $30,120(%0)\n\t" \ "sw $31,124(%0)\n\t" \ : : "r" (&(ctx).sc_regs [0]) \ : "memory" \ ) #elif defined(__s390x__) #define MONO_ARCH_HAS_MONO_CONTEXT 1 typedef struct ucontext MonoContext; #define MONO_CONTEXT_SET_IP(ctx,ip) \ do { \ (ctx)->uc_mcontext.gregs[14] = (unsigned long)ip; \ (ctx)->uc_mcontext.psw.addr = (unsigned long)ip; \ } while (0); #define MONO_CONTEXT_SET_SP(ctx,bp) MONO_CONTEXT_SET_BP((ctx),(bp)) #define MONO_CONTEXT_SET_BP(ctx,bp) \ do { \ (ctx)->uc_mcontext.gregs[15] = (unsigned long)bp; \ (ctx)->uc_stack.ss_sp = (void*)bp; \ } while (0) #define MONO_CONTEXT_GET_IP(ctx) (gpointer) (ctx)->uc_mcontext.psw.addr #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->uc_mcontext.gregs[15])) #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->uc_mcontext.gregs[11])) #define MONO_CONTEXT_GET_CURRENT(ctx) \ __asm__ __volatile__( \ "stmg %%r0,%%r15,0(%0)\n" \ : : "r" (&(ctx).uc_mcontext.gregs[0]) \ : "memory" \ ) #else #error "Implement mono-context for the current arch" #endif /* * The naming is misleading, the SIGCTX argument should be the platform's context * structure (ucontext_c on posix, CONTEXT on windows). */ void mono_sigctx_to_monoctx (void *sigctx, MonoContext *mctx); /* * This will not completely initialize SIGCTX since MonoContext contains less * information that the system context. The caller should obtain a SIGCTX from * the system, and use this function to override the parts of it which are * also in MonoContext. */ void mono_monoctx_to_sigctx (MonoContext *mctx, void *sigctx); #endif /* __MONO_MONO_CONTEXT_H__ */