8328614: hsdis: dlsym can't find decode symbol

Reviewed-by: ihse, luhenry, mli

make/Hsdis.gmk

@@ -144,7 +144,9 @@ $(eval $(call SetupJdkLibrary, BUILD_HSDIS, \
     NAME := hsdis, \
     LINK_TYPE := $(HSDIS_LINK_TYPE), \
     SRC := $(TOPDIR)/src/utils/hsdis/$(HSDIS_BACKEND), \
-    EXTRA_HEADER_DIRS := $(TOPDIR)/src/utils/hsdis, \
+    EXTRA_HEADER_DIRS := \
+          java.base:include \
+          $(TOPDIR)/src/utils/hsdis, \
     OUTPUT_DIR := $(HSDIS_OUTPUT_DIR), \
     OBJECT_DIR := $(HSDIS_OUTPUT_DIR), \
     DISABLED_WARNINGS_gcc := undef format-nonliteral sign-compare, \

src/utils/hsdis/binutils/hsdis-binutils.c

@@ -120,10 +120,8 @@ static const char* format_insn_close(const char* close,
                                      disassemble_info* dinfo,
                                      char* buf, size_t bufsize);
 
+JNIEXPORT
 void*
-#ifdef DLL_ENTRY
-  DLL_ENTRY
-#endif
 decode_instructions_virtual(uintptr_t start_va, uintptr_t end_va,
                             unsigned char* buffer, uintptr_t length,
                             event_callback_t  event_callback_arg,  void* event_stream_arg,
@@ -145,10 +143,8 @@ decode_instructions_virtual(uintptr_t start_va, uintptr_t end_va,
 }
 
 /* This is the compatability interface for older version of hotspot */
+JNIEXPORT
 void*
-#ifdef DLL_ENTRY
-  DLL_ENTRY
-#endif
 decode_instructions(void* start_pv, void* end_pv,
                     event_callback_t  event_callback_arg,  void* event_stream_arg,
                     printf_callback_t printf_callback_arg, void* printf_stream_arg,

src/utils/hsdis/capstone/hsdis-capstone.c

@@ -120,9 +120,7 @@ static Options parse_options(const char* options, printf_callback_t printf_callb
   return ops;
 }
 
-#ifdef _WIN32
-__declspec(dllexport)
-#endif
+JNIEXPORT
 void* decode_instructions_virtual(uintptr_t start_va, uintptr_t end_va,
                                   unsigned char* buffer, uintptr_t length,
                                   event_callback_t event_callback,

src/utils/hsdis/hsdis.h

@@ -72,6 +72,8 @@
 #ifndef SHARED_TOOLS_HSDIS_H
 #define SHARED_TOOLS_HSDIS_H
 
+#include "jni.h"
+
 #ifdef __cplusplus
 extern "C"
 {

src/utils/hsdis/llvm/hsdis-llvm.cpp

@@ -328,6 +328,7 @@ class hsdis_backend : public hsdis_backend_base {
 };
 
 
+JNIEXPORT
 void* decode_instructions_virtual(uintptr_t start_va, uintptr_t end_va,
                             unsigned char* buffer, uintptr_t length,
                             event_callback_t  event_callback_arg,  void* event_stream_arg,
@@ -342,6 +343,7 @@ void* decode_instructions_virtual(uintptr_t start_va, uintptr_t end_va,
 }
 
 /* This is the compatability interface for older version of hotspot */
+JNIEXPORT
 void* decode_instructions(void* start_pv, void* end_pv,
                     event_callback_t  event_callback_arg,  void* event_stream_arg,
                     printf_callback_t printf_callback_arg, void* printf_stream_arg,