Revert "Merge branch 'master' of https://github.com/mono/mono"

[mono.git] / mono / utils / mono-context.h

diff --git a/mono/utils/mono-context.h b/mono/utils/mono-context.h
old mode 100644 (file)
new mode 100755 (executable)
index 2c9e094..84409cf
--- a/mono/utils/mono-context.h
+++ b/mono/utils/mono-context.h
@@ -105,6 +105,24 @@ typedef struct {
 #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 $+5                                                                                                         \
+        __asm pop dword ptr [eax+0x20]                                                                         \
+                }                                                                                                                              \
+       } while (0)
+#else
 #define MONO_CONTEXT_GET_CURRENT(ctx) \
        __asm__ __volatile__(   \
        "movl $0x0, 0x00(%0)\n" \
@@ -120,10 +138,9 @@ typedef struct {
        :       \
        : "a" (&(ctx))  \
        : "memory")
+#endif
 
-#if !defined(HOST_WIN32)
 #define MONO_ARCH_HAS_MONO_CONTEXT 1
-#endif
 
 #elif (defined(__x86_64__) && !defined(MONO_CROSS_COMPILE)) || (defined(TARGET_AMD64)) /* defined(__i386__) */
 
@@ -221,7 +238,7 @@ typedef struct {
 typedef struct {
        mgreg_t pc;
        mgreg_t regs [16];
-       double fregs [8];
+       double fregs [16];
        mgreg_t cpsr;
 } MonoContext;
 
@@ -234,11 +251,30 @@ typedef struct {
 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->regs [ARMREG_FP]))
 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->regs [ARMREG_SP]))
 
-// FIXME:
 #define MONO_CONTEXT_GET_CURRENT(ctx)  do {    \
-       g_assert_not_reached (); \
+       __asm__ __volatile__(                   \
+               "push {r0}\n"                           \
+               "push {r1}\n"                           \
+               "mov r0, %0\n"                          \
+               "ldr r1, [sp, #4]\n"                    \
+               "str r1, [r0]!\n"                       \
+               "ldr r1, [sp, #0]\n"                    \
+               "str r1, [r0]!\n"                       \
+               "stmia r0!, {r2-r12}\n"         \
+               "str sp, [r0]!\n"                       \
+               "str lr, [r0]!\n"                       \
+               "mov r1, pc\n"                          \
+               "str r1, [r0]!\n"                       \
+               "pop {r1}\n"                            \
+               "pop {r0}\n"                            \
+               :                                                       \
+               : "r" (&ctx.regs)                       \
+               : "memory"                                      \
+       );                                                              \
+       ctx.pc = ctx.regs [15];                 \
 } while (0)
 
+
 #elif defined(__mono_ppc__) /* defined(__arm__) */
 
 /* we define our own structure and we'll copy the data