From: Rodrigo Kumpera <kumpera@gmail.com>
Date: Mon, 21 Aug 2017 22:30:16 +0000 (-0700)
Subject: [wasm] Add wasm stubs for MonoContext and membar ops.
X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=commitdiff_plain;ds=sidebyside;h=61529745be76d5395f6d7eb260d0779e668972c5;p=mono.git

[wasm] Add wasm stubs for MonoContext and membar ops.
---

diff --git a/mono/utils/mono-context.h b/mono/utils/mono-context.h
index b26442f73f5..827e0ed9f81 100644
--- a/mono/utils/mono-context.h
+++ b/mono/utils/mono-context.h
@@ -34,7 +34,25 @@ typedef struct __darwin_xmm_reg MonoContextSimdReg;
  * 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))
+#if defined (TARGET_WASM)
+
+typedef struct {
+	mgreg_t wasm_sp;
+	mgreg_t wasm_bp;
+	mgreg_t llvm_exc_reg;
+	mgreg_t wasm_ip;
+	mgreg_t wasm_pc;
+} MonoContext;
+
+#define MONO_CONTEXT_SET_IP(ctx,ip) do { (ctx)->wasm_ip = (mgreg_t)(ip); } while (0);
+#define MONO_CONTEXT_SET_BP(ctx,bp) do { (ctx)->wasm_bp = (mgreg_t)(bp); } while (0);
+#define MONO_CONTEXT_SET_SP(ctx,sp) do { (ctx)->wasm_sp = (mgreg_t)(sp); } while (0);
+
+#define MONO_CONTEXT_GET_IP(ctx) ((gpointer)((ctx)->wasm_ip))
+#define MONO_CONTEXT_GET_BP(ctx) ((gpointer)((ctx)->wasm_bp))
+#define MONO_CONTEXT_GET_SP(ctx) ((gpointer)((ctx)->wasm_sp))
+
+#elif (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__) || \
diff --git a/mono/utils/mono-membar.h b/mono/utils/mono-membar.h
index 3f937b3b431..7abf273a650 100644
--- a/mono/utils/mono-membar.h
+++ b/mono/utils/mono-membar.h
@@ -15,7 +15,22 @@
 
 #include <glib.h>
 
-#ifdef _MSC_VER
+
+#ifdef TARGET_WASM
+
+static inline void mono_memory_barrier (void)
+{
+}
+
+static inline void mono_memory_read_barrier (void)
+{
+}
+
+static inline void mono_memory_write_barrier (void)
+{
+}
+
+#elif _MSC_VER
 #ifndef WIN32_LEAN_AND_MEAN
 #define WIN32_LEAN_AND_MEAN
 #endif