2007-08-30 Jonathan Chambers <joncham@gmail.com>

[mono.git] / mono / mini / mini-amd64.h

diff --git a/mono/mini/mini-amd64.h b/mono/mini/mini-amd64.h
index b9ff7048586106bb7dd2ab7925440dd447d137c5..5ad5b691e298a856ec60c384b2e1bf76bab98f3a 100644 (file)
--- a/mono/mini/mini-amd64.h
+++ b/mono/mini/mini-amd64.h
@@ -47,6 +47,7 @@ LONG CALLBACK seh_handler(EXCEPTION_POINTERS* ep);
 
 #ifdef sun    // Solaris x86
 #  undef SIGSEGV_ON_ALTSTACK
+#  define MONO_ARCH_NOMAP32BIT
 
 struct sigcontext {
         unsigned short gs, __gsh;
@@ -73,14 +74,14 @@ struct sigcontext {
 };
 #endif  // sun, Solaris x86
 
-#define MONO_ARCH_SIGNAL_STACK_SIZE (64 * 1024)
+#define MONO_ARCH_SIGNAL_STACK_SIZE (16 * 1024)
+
+#define MONO_ARCH_CPU_SPEC amd64_desc
 
 #define MONO_MAX_IREGS 16
 
 #define MONO_MAX_FREGS AMD64_XMM_NREG
 
-#define MONO_ARCH_HAS_XP_LOCAL_REGALLOC
-
 /* xmm15 is reserved for use by some opcodes */
 #define MONO_ARCH_CALLEE_FREGS 0xef
 #define MONO_ARCH_CALLEE_SAVED_FREGS 0
@@ -141,6 +142,7 @@ typedef struct MonoCompileArch {
        gint32 reg_save_area_offset;
        gint32 stack_alloc_size;
        gboolean omit_fp, omit_fp_computed;
+       gpointer cinfo;
 } MonoCompileArch;
 
 typedef struct {
@@ -159,21 +161,41 @@ typedef struct {
        guint64 r15;
 } MonoContext;
 
-#define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->rip = (long)(ip); } while (0); 
-#define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->rbp = (long)(bp); } while (0); 
-#define MONO_CONTEXT_SET_SP(ctx,esp) do { (ctx)->rsp = (long)(esp); } while (0); 
+#define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->rip = (guint64)(ip); } while (0); 
+#define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->rbp = (guint64)(bp); } while (0); 
+#define MONO_CONTEXT_SET_SP(ctx,esp) do { (ctx)->rsp = (guint64)(esp); } while (0); 
 
 #define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->rip))
 #define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->rbp))
 #define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->rsp))
 
+#ifdef _MSC_VER
+
+#define MONO_INIT_CONTEXT_FROM_FUNC(ctx, start_func) do { \
+    guint64 stackptr; \
+       mono_arch_flush_register_windows (); \
+       stackptr = ((guint64)_GetAddressOfReturnAddress () - sizeof (void*));\
+       MONO_CONTEXT_SET_IP ((ctx), (start_func)); \
+       MONO_CONTEXT_SET_BP ((ctx), stackptr); \
+       MONO_CONTEXT_SET_SP ((ctx), stackptr); \
+} while (0)
+
+#else
+
+/* 
+ * __builtin_frame_address () is broken on some older gcc versions in the presence of
+ * frame pointer elimination, see bug #82095.
+ */
 #define MONO_INIT_CONTEXT_FROM_FUNC(ctx,start_func) do {       \
+        int tmp; \
+        guint64 stackptr = (guint64)&tmp; \
                mono_arch_flush_register_windows ();    \
                MONO_CONTEXT_SET_IP ((ctx), (start_func));      \
-               MONO_CONTEXT_SET_BP ((ctx), __builtin_frame_address (0));       \
+               MONO_CONTEXT_SET_BP ((ctx), stackptr);  \
+               MONO_CONTEXT_SET_SP ((ctx), stackptr);  \
        } while (0)
 
-#define MONO_ARCH_USE_SIGACTION 1
+#endif
 
 /*
  * some icalls like mono_array_new_va needs to be called using a different 
@@ -183,6 +205,8 @@ typedef struct {
 
 #ifndef PLATFORM_WIN32
 
+#define MONO_ARCH_USE_SIGACTION 1
+
 #ifdef HAVE_WORKING_SIGALTSTACK
 
 #define MONO_ARCH_SIGSEGV_ON_ALTSTACK
@@ -237,6 +261,10 @@ typedef struct {
 #define MONO_ARCH_HAVE_CREATE_SPECIFIC_TRAMPOLINE 1
 #define MONO_ARCH_HAVE_CREATE_DELEGATE_TRAMPOLINE 1
 #define MONO_ARCH_HAVE_CREATE_VARS 1
+#define MONO_ARCH_HAVE_IMT 1
+#define MONO_ARCH_IMT_REG AMD64_R11
+
+#define MONO_ARCH_AOT_SUPPORTED 1
 
 gboolean
 mono_amd64_is_sse2 (void);