1651 void os::print_signal_handlers(outputStream* st, char* buf, size_t buflen) {
1652   // do nothing
1653 }
1654 
1655 static char saved_jvm_path[MAX_PATH] = {0};
1656 
1657 // Find the full path to the current module, jvm.dll or jvm_g.dll
1658 void os::jvm_path(char *buf, jint buflen) {
1659   // Error checking.
1660   if (buflen < MAX_PATH) {
1661     assert(false, "must use a large-enough buffer");
1662     buf[0] = '\0';
1663     return;
1664   }
1665   // Lazy resolve the path to current module.
1666   if (saved_jvm_path[0] != 0) {
1667     strcpy(buf, saved_jvm_path);
1668     return;
1669   }
1670 

























1671   GetModuleFileName(vm_lib_handle, buf, buflen);

1672   strcpy(saved_jvm_path, buf);
1673 }
1674 
1675 
1676 void os::print_jni_name_prefix_on(outputStream* st, int args_size) {
1677 #ifndef _WIN64
1678   st->print("_");
1679 #endif
1680 }
1681 
1682 
1683 void os::print_jni_name_suffix_on(outputStream* st, int args_size) {
1684 #ifndef _WIN64
1685   st->print("@%d", args_size  * sizeof(int));
1686 #endif
1687 }
1688 
1689 // sun.misc.Signal
1690 // NOTE that this is a workaround for an apparent kernel bug where if
1691 // a signal handler for SIGBREAK is installed then that signal handler

1651 void os::print_signal_handlers(outputStream* st, char* buf, size_t buflen) {
1652   // do nothing
1653 }
1654 
1655 static char saved_jvm_path[MAX_PATH] = {0};
1656 
1657 // Find the full path to the current module, jvm.dll or jvm_g.dll
1658 void os::jvm_path(char *buf, jint buflen) {
1659   // Error checking.
1660   if (buflen < MAX_PATH) {
1661     assert(false, "must use a large-enough buffer");
1662     buf[0] = '\0';
1663     return;
1664   }
1665   // Lazy resolve the path to current module.
1666   if (saved_jvm_path[0] != 0) {
1667     strcpy(buf, saved_jvm_path);
1668     return;
1669   }
1670 
1671   buf[0] = '\0';
1672   if (strcmp(Arguments::sun_java_launcher(), "gamma") == 0) {
1673      // Support for the gamma launcher. Check for a JAVA_HOME
1674      // environment variable and fix up the path so it looks like
1675      // libjvm.so is installed there (append a fake suffix
1676      // hotspot/libjvm.so).
1677      char* java_home_var = ::getenv("JAVA_HOME");
1678      if (java_home_var != NULL && java_home_var[0] != 0) {
1679 
1680         strncpy(buf, java_home_var, buflen);
1681 
1682         // determine if this is a legacy image or modules image
1683         // modules image doesn't have "jre" subdirectory
1684         size_t len = strlen(buf);
1685         char* jrebin_p = buf + len;
1686         jio_snprintf(jrebin_p, buflen-len, "\\jre\\bin\\");
1687         if (0 != _access(buf, 0)) {
1688           jio_snprintf(jrebin_p, buflen-len, "\\bin\\");
1689         }
1690         len = strlen(buf);
1691         jio_snprintf(buf + len, buflen-len, "hotspot\\jvm.dll");
1692      }
1693   }
1694 
1695   if(buf[0] == '\0') {
1696      GetModuleFileName(vm_lib_handle, buf, buflen);
1697   }
1698   strcpy(saved_jvm_path, buf);
1699 }
1700 
1701 
1702 void os::print_jni_name_prefix_on(outputStream* st, int args_size) {
1703 #ifndef _WIN64
1704   st->print("_");
1705 #endif
1706 }
1707 
1708 
1709 void os::print_jni_name_suffix_on(outputStream* st, int args_size) {
1710 #ifndef _WIN64
1711   st->print("@%d", args_size  * sizeof(int));
1712 #endif
1713 }
1714 
1715 // sun.misc.Signal
1716 // NOTE that this is a workaround for an apparent kernel bug where if
1717 // a signal handler for SIGBREAK is installed then that signal handler