8005044: remove crufty '_g' support from HS runtime code

Summary: Phase 2 is removing '_g' support from the Runtime code.
Reviewed-by: dcubed, coleenp, hseigel
Contributed-by: ron.durbin@oracle.com

src/os/bsd/vm/os_bsd.cpp

@@ -298,12 +298,12 @@ void os::init_system_properties_values() {
 
   // The next steps are taken in the product version:
   //
-  // Obtain the JAVA_HOME value from the location of libjvm[_g].so.
+  // Obtain the JAVA_HOME value from the location of libjvm.so.
   // This library should be located at:
-  // <JAVA_HOME>/jre/lib/<arch>/{client|server}/libjvm[_g].so.
+  // <JAVA_HOME>/jre/lib/<arch>/{client|server}/libjvm.so.
   //
   // If "/jre/lib/" appears at the right place in the path, then we
-  // assume libjvm[_g].so is installed in a JDK and we use this path.
+  // assume libjvm.so is installed in a JDK and we use this path.
   //
   // Otherwise exit with message: "Could not create the Java virtual machine."
   //
@@ -313,9 +313,9 @@ void os::init_system_properties_values() {
   // instead of exit check for $JAVA_HOME environment variable.
   //
   // If it is defined and we are able to locate $JAVA_HOME/jre/lib/<arch>,
-  // then we append a fake suffix "hotspot/libjvm[_g].so" to this path so
-  // it looks like libjvm[_g].so is installed there
-  // <JAVA_HOME>/jre/lib/<arch>/hotspot/libjvm[_g].so.
+  // then we append a fake suffix "hotspot/libjvm.so" to this path so
+  // it looks like libjvm.so is installed there
+  // <JAVA_HOME>/jre/lib/<arch>/hotspot/libjvm.so.
   //
   // Otherwise exit.
   //
@@ -1228,7 +1228,7 @@ const char* os::get_current_directory(char *buf, int buflen) {
   return getcwd(buf, buflen);
 }
 
-// check if addr is inside libjvm[_g].so
+// check if addr is inside libjvm.so
 bool os::address_is_in_vm(address addr) {
   static address libjvm_base_addr;
   Dl_info dlinfo;
@@ -1689,7 +1689,7 @@ void os::print_signal_handlers(outputStream* st, char* buf, size_t buflen) {
 
 static char saved_jvm_path[MAXPATHLEN] = {0};
 
-// Find the full path to the current module, libjvm or libjvm_g
+// Find the full path to the current module, libjvm
 void os::jvm_path(char *buf, jint buflen) {
   // Error checking.
   if (buflen < MAXPATHLEN) {
@@ -1732,10 +1732,9 @@ void os::jvm_path(char *buf, jint buflen) {
         char* jrelib_p;
         int len;
 
-        // Check the current module name "libjvm" or "libjvm_g".
+        // Check the current module name "libjvm"
         p = strrchr(buf, '/');
         assert(strstr(p, "/libjvm") == p, "invalid library name");
-        p = strstr(p, "_g") ? "_g" : "";
 
         rp = realpath(java_home_var, buf);
         if (rp == NULL)
@@ -1764,11 +1763,9 @@ void os::jvm_path(char *buf, jint buflen) {
         // to complete the path to JVM being overridden.  Otherwise fallback
         // to the path to the current library.
         if (0 == access(buf, F_OK)) {
-          // Use current module name "libjvm[_g]" instead of
-          // "libjvm"debug_only("_g")"" since for fastdebug version
-          // we should have "libjvm" but debug_only("_g") adds "_g"!
+          // Use current module name "libjvm"
           len = strlen(buf);
-          snprintf(buf + len, buflen-len, "/libjvm%s%s", p, JNI_LIB_SUFFIX);
+          snprintf(buf + len, buflen-len, "/libjvm%s", JNI_LIB_SUFFIX);
         } else {
           // Fall back to path of current library
           rp = realpath(dli_fname, buf);

src/os/linux/vm/os_linux.cpp

@@ -321,12 +321,12 @@ void os::init_system_properties_values() {
 
   // The next steps are taken in the product version:
   //
-  // Obtain the JAVA_HOME value from the location of libjvm[_g].so.
+  // Obtain the JAVA_HOME value from the location of libjvm.so.
   // This library should be located at:
-  // <JAVA_HOME>/jre/lib/<arch>/{client|server}/libjvm[_g].so.
+  // <JAVA_HOME>/jre/lib/<arch>/{client|server}/libjvm.so.
   //
   // If "/jre/lib/" appears at the right place in the path, then we
-  // assume libjvm[_g].so is installed in a JDK and we use this path.
+  // assume libjvm.so is installed in a JDK and we use this path.
   //
   // Otherwise exit with message: "Could not create the Java virtual machine."
   //
@@ -336,9 +336,9 @@ void os::init_system_properties_values() {
   // instead of exit check for $JAVA_HOME environment variable.
   //
   // If it is defined and we are able to locate $JAVA_HOME/jre/lib/<arch>,
-  // then we append a fake suffix "hotspot/libjvm[_g].so" to this path so
-  // it looks like libjvm[_g].so is installed there
-  // <JAVA_HOME>/jre/lib/<arch>/hotspot/libjvm[_g].so.
+  // then we append a fake suffix "hotspot/libjvm.so" to this path so
+  // it looks like libjvm.so is installed there
+  // <JAVA_HOME>/jre/lib/<arch>/hotspot/libjvm.so.
   //
   // Otherwise exit.
   //
@@ -1679,7 +1679,7 @@ const char* os::get_current_directory(char *buf, int buflen) {
   return getcwd(buf, buflen);
 }
 
-// check if addr is inside libjvm[_g].so
+// check if addr is inside libjvm.so
 bool os::address_is_in_vm(address addr) {
   static address libjvm_base_addr;
   Dl_info dlinfo;
@@ -2180,7 +2180,7 @@ void os::print_signal_handlers(outputStream* st, char* buf, size_t buflen) {
 
 static char saved_jvm_path[MAXPATHLEN] = {0};
 
-// Find the full path to the current module, libjvm.so or libjvm_g.so
+// Find the full path to the current module, libjvm.so
 void os::jvm_path(char *buf, jint buflen) {
   // Error checking.
   if (buflen < MAXPATHLEN) {
@@ -2223,10 +2223,9 @@ void os::jvm_path(char *buf, jint buflen) {
         char* jrelib_p;
         int len;
 
-        // Check the current module name "libjvm.so" or "libjvm_g.so".
+        // Check the current module name "libjvm.so".
         p = strrchr(buf, '/');
         assert(strstr(p, "/libjvm") == p, "invalid library name");
-        p = strstr(p, "_g") ? "_g" : "";
 
         rp = realpath(java_home_var, buf);
         if (rp == NULL)
@@ -2242,11 +2241,9 @@ void os::jvm_path(char *buf, jint buflen) {
         }
 
         if (0 == access(buf, F_OK)) {
-          // Use current module name "libjvm[_g].so" instead of
-          // "libjvm"debug_only("_g")".so" since for fastdebug version
-          // we should have "libjvm.so" but debug_only("_g") adds "_g"!
+          // Use current module name "libjvm.so"
           len = strlen(buf);
-          snprintf(buf + len, buflen-len, "/hotspot/libjvm%s.so", p);
+          snprintf(buf + len, buflen-len, "/hotspot/libjvm.so");
         } else {
           // Go back to path of .so
           rp = realpath(dli_fname, buf);

src/os/solaris/vm/os_solaris.cpp

@@ -734,12 +734,12 @@ void os::init_system_properties_values() {
 
   // The next steps are taken in the product version:
   //
-  // Obtain the JAVA_HOME value from the location of libjvm[_g].so.
+  // Obtain the JAVA_HOME value from the location of libjvm.so.
   // This library should be located at:
-  // <JAVA_HOME>/jre/lib/<arch>/{client|server}/libjvm[_g].so.
+  // <JAVA_HOME>/jre/lib/<arch>/{client|server}/libjvm.so.
   //
   // If "/jre/lib/" appears at the right place in the path, then we
-  // assume libjvm[_g].so is installed in a JDK and we use this path.
+  // assume libjvm.so is installed in a JDK and we use this path.
   //
   // Otherwise exit with message: "Could not create the Java virtual machine."
   //
@@ -749,9 +749,9 @@ void os::init_system_properties_values() {
   // instead of exit check for $JAVA_HOME environment variable.
   //
   // If it is defined and we are able to locate $JAVA_HOME/jre/lib/<arch>,
-  // then we append a fake suffix "hotspot/libjvm[_g].so" to this path so
-  // it looks like libjvm[_g].so is installed there
-  // <JAVA_HOME>/jre/lib/<arch>/hotspot/libjvm[_g].so.
+  // then we append a fake suffix "hotspot/libjvm.so" to this path so
+  // it looks like libjvm.so is installed there
+  // <JAVA_HOME>/jre/lib/<arch>/hotspot/libjvm.so.
   //
   // Otherwise exit.
   //
@@ -1934,7 +1934,7 @@ const char* os::get_current_directory(char *buf, int buflen) {
   return getcwd(buf, buflen);
 }
 
-// check if addr is inside libjvm[_g].so
+// check if addr is inside libjvm.so
 bool os::address_is_in_vm(address addr) {
   static address libjvm_base_addr;
   Dl_info dlinfo;
@@ -2474,7 +2474,7 @@ void os::print_signal_handlers(outputStream* st, char* buf, size_t buflen) {
 
 static char saved_jvm_path[MAXPATHLEN] = { 0 };
 
-// Find the full path to the current module, libjvm.so or libjvm_g.so
+// Find the full path to the current module, libjvm.so
 void os::jvm_path(char *buf, jint buflen) {
   // Error checking.
   if (buflen < MAXPATHLEN) {
@@ -2522,10 +2522,9 @@ void os::jvm_path(char *buf, jint buflen) {
           strcpy(cpu_arch, "amd64");
         }
 #endif
-        // Check the current module name "libjvm.so" or "libjvm_g.so".
+        // Check the current module name "libjvm.so".
         p = strrchr(buf, '/');
         assert(strstr(p, "/libjvm") == p, "invalid library name");
-        p = strstr(p, "_g") ? "_g" : "";
 
         realpath(java_home_var, buf);
         // determine if this is a legacy image or modules image
@@ -2538,11 +2537,9 @@ void os::jvm_path(char *buf, jint buflen) {
         }
 
         if (0 == access(buf, F_OK)) {
-          // Use current module name "libjvm[_g].so" instead of
-          // "libjvm"debug_only("_g")".so" since for fastdebug version
-          // we should have "libjvm.so" but debug_only("_g") adds "_g"!
+          // Use current module name "libjvm.so"
           len = strlen(buf);
-          snprintf(buf + len, buflen-len, "/hotspot/libjvm%s.so", p);
+          snprintf(buf + len, buflen-len, "/hotspot/libjvm.so");
         } else {
           // Go back to path of .so
           realpath((char *)dlinfo.dli_fname, buf);

src/os/windows/vm/os_windows.cpp

@@ -182,7 +182,7 @@ void os::init_system_properties_values() {
 
       if (!getenv("_ALT_JAVA_HOME_DIR", home_dir, MAX_PATH)) {
           os::jvm_path(home_dir, sizeof(home_dir));
-          // Found the full path to jvm[_g].dll.
+          // Found the full path to jvm.dll.
           // Now cut the path to <java_home>/jre if we can.
           *(strrchr(home_dir, '\\')) = '\0';  /* get rid of \jvm.dll */
           pslash = strrchr(home_dir, '\\');
@@ -1715,7 +1715,7 @@ void os::print_signal_handlers(outputStream* st, char* buf, size_t buflen) {
 
 static char saved_jvm_path[MAX_PATH] = {0};
 
-// Find the full path to the current module, jvm.dll or jvm_g.dll
+// Find the full path to the current module, jvm.dll
 void os::jvm_path(char *buf, jint buflen) {
   // Error checking.
   if (buflen < MAX_PATH) {

src/share/tools/ProjectCreator/ProjectCreator.java

@@ -36,7 +36,7 @@ public class ProjectCreator {
             + "into .dsp file, substituting for path given in "
             + "-sourceBase. Example: HotSpotWorkSpace>");
       System.err.println("  -dllLoc <path to directory in which to put "
-            + "jvm.dll and jvm_g.dll; no trailing slash>");
+            + "jvm.dll; no trailing slash>");
       System.err.println("  If any of the above are specified, "
             + "they must all be.");
       System.err.println("  Additional, optional arguments, which can be "

src/share/vm/runtime/arguments.cpp

@@ -3030,7 +3030,6 @@ jint Arguments::parse(const JavaVMInitArgs* args) {
   strcpy(shared_archive_path, jvm_path);
   strcat(shared_archive_path, os::file_separator());
   strcat(shared_archive_path, "classes");
-  DEBUG_ONLY(strcat(shared_archive_path, "_g");)
   strcat(shared_archive_path, ".jsa");
   SharedArchivePath = shared_archive_path;