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8027113: decouple the '-XXaltjvm=<path>' option from the gamma launcher

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Decoupled the '-XXaltjvm=<path>' option from the gamma launcher.  Clearing the way for removing the remaining cruft associated with the previously removed gamma launcher.

Reviewed-by: dcubed, dholmes
This commit is contained in:
Ron Durbin 2014-01-30 14:12:22 -08:00
parent 455663f56e
commit 97d55c801e
9 changed files with 105 additions and 77 deletions
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14
hotspot/src/os/bsd/vm/os_bsd.cpp
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@ -1788,12 +1788,14 @@ void os::jvm_path(char *buf, jint buflen) {
if (rp == NULL)
return;
if (Arguments::created_by_gamma_launcher()) {
// Support for the gamma launcher. Typical value for buf is
// "<JAVA_HOME>/jre/lib/<arch>/<vmtype>/libjvm". If "/jre/lib/" appears at
// the right place in the string, then assume we are installed in a JDK and
// we're done. Otherwise, check for a JAVA_HOME environment variable and
// construct a path to the JVM being overridden.
if (Arguments::sun_java_launcher_is_altjvm()) {
// Support for the java launcher's '-XXaltjvm=<path>' option. Typical
// value for buf is "<JAVA_HOME>/jre/lib/<arch>/<vmtype>/libjvm.so"
// or "<JAVA_HOME>/jre/lib/<vmtype>/libjvm.dylib". If "/jre/lib/"
// appears at the right place in the string, then assume we are
// installed in a JDK and we're done. Otherwise, check for a
// JAVA_HOME environment variable and construct a path to the JVM
// being overridden.
const char *p = buf + strlen(buf) - 1;
for (int count = 0; p > buf && count < 5; ++count) {