wasm-std refactoring (#6278)

ethcore/wasm/src/env.rs

@@ -81,63 +81,16 @@ pub const SIGNATURES: &'static [UserFunctionDescriptor] = &[
 		&[I32],
 		None,
 	),
-	Static(
-		"_abort",
-		&[],
-		None,
-	),
-	Static(
-		"abortOnCannotGrowMemory",
-		&[I32; 0],
-		Some(I32)
-	),
-
-	/*
-		THIS IS EXPERIMENTAL RUST-ONLY RUNTIME EXTERNS, THEY ARE SUBJECT TO CHANGE
-
-		AVOID YOUR WASM CONTAINS ANY OF THESE OTHERWISE
-			EITHER FACE THE NEED OF HARDFORK
-			OR YOU CAN STUCK ON SPECIFIC RUST VERSION FOR WASM COMPILATION
-	*/
-
-	Static(
-		"_rust_begin_unwind",
-		&[I32; 4],
-		None,
-	),
 	Static(
 		"_emscripten_memcpy_big",
 		&[I32; 3],
 		Some(I32),
 	),
-	Static(
-		"___syscall6",
-		&[I32; 2],
-		Some(I32),
-	),
-	Static(
-		"___syscall140",
-		&[I32; 2],
-		Some(I32)
-	),
-	Static(
-		"___syscall146",
-		&[I32; 2],
-		Some(I32)
-	),
-	Static(
-		"___syscall54",
-		&[I32; 2],
-		Some(I32)
-	),
+
+	// TODO: Get rid of it also somehow?
 	Static(
 		"_llvm_trap",
 		&[I32; 0],
 		None
 	),
-	Static(
-		"___setErrNo",
-		&[I32; 1],
-		None
-	),
 ];