Add Linux SGX support (#106)

core/shared-lib/include/bh_common.h

@@ -23,6 +23,9 @@
 #include "bh_log.h"
 #include "bh_list.h"
 
+typedef void (*bh_print_function_t)(const char* message);
+void bh_set_print_function(bh_print_function_t pf);
+
 #define bh_memcpy_s(dest, dlen, src, slen) do {                         \
     int _ret = slen == 0 ? 0 : b_memcpy_s (dest, dlen, src, slen);      \
     (void)_ret;                                                         \

core/shared-lib/include/config.h

@@ -26,7 +26,9 @@
 #define DEFAULT_MEM_ALLOCATOR MEM_ALLOCATOR_EMS
 
 /* Beihai log system */
+#ifndef BEIHAI_ENABLE_LOG
 #define BEIHAI_ENABLE_LOG 1
+#endif
 
 /* Beihai debugger support */
 #define BEIHAI_ENABLE_TOOL_AGENT 1
@@ -43,7 +45,9 @@
 #endif
 
 /* WASM VM log system */
+#ifndef WASM_ENABLE_LOG
 #define WASM_ENABLE_LOG 1
+#endif
 
 /* WASM Interpreter labels-as-values feature */
 #define WASM_ENABLE_LABELS_AS_VALUES 1