begin rework for js tests and hook examples

hook/tests/hookapi/wasm/api.h

@@ -0,0 +1,7 @@
+#include <stdint.h>
+#include "../../../examples/hookapi.h"
+#define ASSERT(x)\
+{\
+    if (!(x))\
+        rollback(SBUF(#x), __LINE__);\
+}

hook/tests/hookapi/wasm/log.c

@@ -0,0 +1,19 @@
+#include "api.h"
+
+int64_t hook(uint32_t reserved )
+{
+    int64_t x = float_set(0, 1234567890);
+    int64_t l = float_log(x);
+    int64_t i = float_int(l, 15, 1);
+
+    ASSERT(i == 9091514977169268ULL);
+
+    ASSERT(float_log(float_one()) == 0);
+
+    // RH TODO: more tests
+
+    accept (0,0,0); 
+    _g(1,1);   // every hook needs to import guard function and use it at least once
+    // unreachable
+    return 0;
+}

hook/tests/hookapi/wasm/makefile

@@ -0,0 +1,7 @@
+all: log.wasm root.wasm
+log.wasm: log.c
+	wasmcc log.c -o log.wasm -O0 -Wl,--allow-undefined -I../
+	hook-cleaner log.wasm
+root.wasm: root.c
+	wasmcc root.c -o root.wasm -O0 -Wl,--allow-undefined -I../
+	hook-cleaner root.wasm

hook/tests/hookapi/wasm/root.c

@@ -0,0 +1,21 @@
+#include "api.h"
+
+int64_t hook(uint32_t reserved )
+{
+    int64_t x = float_set(0, 1234567890);
+    int64_t l = float_root(x, 2);
+    TRACEXFL(l);
+    int64_t i = float_int(l, 6, 1);
+
+    TRACEVAR(i);
+
+    ASSERT(i == 35136418286444ULL);
+
+
+    // RH TODO: more tests
+
+    accept (0,0,0); 
+    _g(1,1);   // every hook needs to import guard function and use it at least once
+    // unreachable
+    return 0;
+}