[llvm] r288411 - [WebAssembly] Define more wasm binary encoding constants.

[Dan Gohman via llvm-commits]

Author: djg
Date: Thu Dec  1 14:02:12 2016
New Revision: 288411

URL: http://llvm.org/viewvc/llvm-project?rev=288411&view=rev
Log:
[WebAssembly] Define more wasm binary encoding constants.

Modified:
    llvm/trunk/include/llvm/Support/Wasm.h

Modified: llvm/trunk/include/llvm/Support/Wasm.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/Wasm.h?rev=288411&r1=288410&r2=288411&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Support/Wasm.h (original)
+++ llvm/trunk/include/llvm/Support/Wasm.h Thu Dec  1 14:02:12 2016
@@ -52,6 +52,35 @@ enum : unsigned {
   WASM_SEC_DATA = 11     // Data segments
 };
 
+// Type immediate encodings used in various contexts.
+enum : unsigned {
+  WASM_TYPE_I32          = 0x7f,
+  WASM_TYPE_I64          = 0x7e,
+  WASM_TYPE_F32          = 0x7d,
+  WASM_TYPE_F64          = 0x7c,
+  WASM_TYPE_ANYFUNC      = 0x70,
+  WASM_TYPE_FUNC         = 0x60,
+  WASM_TYPE_NORESULT     = 0x40, // for blocks with no result values
+};
+
+// Kinds of externals (for imports and exports).
+enum : unsigned {
+  WASM_EXTERNAL_FUNCTION = 0x0,
+  WASM_EXTERNAL_TABLE    = 0x1,
+  WASM_EXTERNAL_MEMORY   = 0x2,
+  WASM_EXTERNAL_GLOBAL   = 0x3,
+};
+
+// Opcodes used in initializer expressions.
+enum : unsigned {
+  WASM_OPCODE_END        = 0x0b,
+  WASM_OPCODE_GET_GLOBAL = 0x23,
+  WASM_OPCODE_I32_CONST  = 0x41,
+  WASM_OPCODE_I64_CONST  = 0x42,
+  WASM_OPCODE_F32_CONST  = 0x43,
+  WASM_OPCODE_F64_CONST  = 0x44,
+};
+
 } // end namespace wasm
 } // end namespace llvm