mono/utils/mach-support-amd64.c

   1 /**
   2  * \file
   3  * mach support for x86
   4  *
   5  * Authors:
   6  *   Geoff Norton (gnorton@novell.com)
   7  *   Rodrigo Kumpera (kumpera@gmail.com)
   8  *
   9  * (C) 2010 Novell, Inc.
  10  * (C) 2013 Xamarin, Inc.
  11  */
  12
  13 #include <config.h>
  14
  15 #if defined(__MACH__)
  16 #include <stdint.h>
  17 #include <glib.h>
  18 #include <pthread.h>
  19 #include "utils/mono-sigcontext.h"
  20 #include "mach-support.h"
  21
  22 //For reg numbers
  23 #include <mono/arch/amd64/amd64-codegen.h>
  24
  25 int
  26 mono_mach_arch_get_mcontext_size ()
  27 {
  28         return sizeof (struct __darwin_mcontext64);
  29 }
  30
  31 void
  32 mono_mach_arch_thread_states_to_mcontext (thread_state_t state, thread_state_t fpstate, void *context)
  33 {
  34         x86_thread_state64_t *arch_state = (x86_thread_state64_t *) state;
  35         x86_float_state64_t *arch_fpstate = (x86_float_state64_t *) fpstate;
  36         struct __darwin_mcontext64 *ctx = (struct __darwin_mcontext64 *) context;
  37         ctx->__ss = *arch_state;
  38         ctx->__fs = *arch_fpstate;
  39 }
  40
  41 void
  42 mono_mach_arch_mcontext_to_thread_states (void *context, thread_state_t state, thread_state_t fpstate)
  43 {
  44         x86_thread_state64_t *arch_state = (x86_thread_state64_t *) state;
  45         x86_float_state64_t *arch_fpstate = (x86_float_state64_t *) fpstate;
  46         struct __darwin_mcontext64 *ctx = (struct __darwin_mcontext64 *) context;
  47         *arch_state = ctx->__ss;
  48         *arch_fpstate = ctx->__fs;
  49 }
  50
  51 void
  52 mono_mach_arch_thread_states_to_mono_context (thread_state_t state, thread_state_t fpstate, MonoContext *context)
  53 {
  54         x86_thread_state64_t *arch_state = (x86_thread_state64_t *) state;
  55         x86_float_state64_t *arch_fpstate = (x86_float_state64_t *) fpstate;
  56         context->gregs [AMD64_RAX] = arch_state->__rax;
  57         context->gregs [AMD64_RBX] = arch_state->__rbx;
  58         context->gregs [AMD64_RCX] = arch_state->__rcx;
  59         context->gregs [AMD64_RDX] = arch_state->__rdx;
  60         context->gregs [AMD64_RDI] = arch_state->__rdi;
  61         context->gregs [AMD64_RSI] = arch_state->__rsi;
  62         context->gregs [AMD64_RBP] = arch_state->__rbp;
  63         context->gregs [AMD64_RSP] = arch_state->__rsp;
  64         context->gregs [AMD64_R8] = arch_state->__r8;
  65         context->gregs [AMD64_R9] = arch_state->__r9;
  66         context->gregs [AMD64_R10] = arch_state->__r10;
  67         context->gregs [AMD64_R11] = arch_state->__r11;
  68         context->gregs [AMD64_R12] = arch_state->__r12;
  69         context->gregs [AMD64_R13] = arch_state->__r13;
  70         context->gregs [AMD64_R14] = arch_state->__r14;
  71         context->gregs [AMD64_R15] = arch_state->__r15;
  72         context->gregs [AMD64_RIP] = arch_state->__rip;
  73         context->fregs [AMD64_XMM0] = arch_fpstate->__fpu_xmm0;
  74         context->fregs [AMD64_XMM1] = arch_fpstate->__fpu_xmm1;
  75         context->fregs [AMD64_XMM2] = arch_fpstate->__fpu_xmm2;
  76         context->fregs [AMD64_XMM3] = arch_fpstate->__fpu_xmm3;
  77         context->fregs [AMD64_XMM4] = arch_fpstate->__fpu_xmm4;
  78         context->fregs [AMD64_XMM5] = arch_fpstate->__fpu_xmm5;
  79         context->fregs [AMD64_XMM6] = arch_fpstate->__fpu_xmm6;
  80         context->fregs [AMD64_XMM7] = arch_fpstate->__fpu_xmm7;
  81         context->fregs [AMD64_XMM8] = arch_fpstate->__fpu_xmm8;
  82         context->fregs [AMD64_XMM9] = arch_fpstate->__fpu_xmm9;
  83         context->fregs [AMD64_XMM10] = arch_fpstate->__fpu_xmm10;
  84         context->fregs [AMD64_XMM11] = arch_fpstate->__fpu_xmm11;
  85         context->fregs [AMD64_XMM12] = arch_fpstate->__fpu_xmm12;
  86         context->fregs [AMD64_XMM13] = arch_fpstate->__fpu_xmm13;
  87         context->fregs [AMD64_XMM14] = arch_fpstate->__fpu_xmm14;
  88         context->fregs [AMD64_XMM15] = arch_fpstate->__fpu_xmm15;
  89 }
  90
  91 int
  92 mono_mach_arch_get_thread_state_size ()
  93 {
  94         return sizeof (x86_thread_state64_t);
  95 }
  96
  97 int
  98 mono_mach_arch_get_thread_fpstate_size ()
  99 {
 100         return sizeof (x86_float_state64_t);
 101 }
 102
 103 kern_return_t
 104 mono_mach_arch_get_thread_states (thread_port_t thread, thread_state_t state, mach_msg_type_number_t *count, thread_state_t fpstate, mach_msg_type_number_t *fpcount)
 105 {
 106 #if defined(HOST_WATCHOS)
 107         g_error ("thread_get_state() is not supported by this platform");
 108 #else
 109         x86_thread_state64_t *arch_state = (x86_thread_state64_t *)state;
 110         x86_float_state64_t *arch_fpstate = (x86_float_state64_t *)fpstate;
 111         kern_return_t ret;
 112
 113         *count = x86_THREAD_STATE64_COUNT;
 114         *fpcount = x86_FLOAT_STATE64_COUNT;
 115
 116         ret = thread_get_state (thread, x86_THREAD_STATE64, (thread_state_t)arch_state, count);
 117         if (ret != KERN_SUCCESS)
 118                 return ret;
 119
 120         ret = thread_get_state (thread, x86_FLOAT_STATE64, (thread_state_t)arch_fpstate, fpcount);
 121         return ret;
 122 #endif
 123 }
 124
 125 kern_return_t
 126 mono_mach_arch_set_thread_states (thread_port_t thread, thread_state_t state, mach_msg_type_number_t count, thread_state_t fpstate, mach_msg_type_number_t fpcount)
 127 {
 128 #if defined(HOST_WATCHOS)
 129         g_error ("thread_set_state() is not supported by this platform");
 130 #else
 131         kern_return_t ret;
 132         ret = thread_set_state (thread, x86_THREAD_STATE64, state, count);
 133         if (ret != KERN_SUCCESS)
 134                 return ret;
 135         ret = thread_set_state (thread, x86_FLOAT_STATE64, fpstate, fpcount);
 136         return ret;
 137 #endif
 138 }
 139
 140 #endif