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8014972: Crash with specific values for -XX:InitialCodeCacheSize=500K -XX:ReservedCodeCacheSize=500k

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Introduce a minimum code cache size that guarantees that the VM can startup.

Reviewed-by: kvn, twisti
This commit is contained in:
Albert Noll 2013-07-02 07:51:31 +02:00
parent fc1302ea95
commit 386e37ba15
7 changed files with 42 additions and 10 deletions
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29
hotspot/src/share/vm/runtime/arguments.cpp
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@ -2211,11 +2211,24 @@ bool Arguments::check_vm_args_consistency() {
status = false;
}
if (ReservedCodeCacheSize < InitialCodeCacheSize) {
// Check lower bounds of the code cache
// Template Interpreter code is approximately 3X larger in debug builds.
uint min_code_cache_size = (CodeCacheMinimumUseSpace DEBUG_ONLY(* 3)) + CodeCacheMinimumFreeSpace;
if (InitialCodeCacheSize < (uintx)os::vm_page_size()) {
jio_fprintf(defaultStream::error_stream(),
"Invalid ReservedCodeCacheSize: %dK. Should be greater than InitialCodeCacheSize=%dK\n",
"Invalid InitialCodeCacheSize=%dK. Must be at least %dK.\n", InitialCodeCacheSize/K,
os::vm_page_size()/K);
status = false;
} else if (ReservedCodeCacheSize < InitialCodeCacheSize) {
jio_fprintf(defaultStream::error_stream(),
"Invalid ReservedCodeCacheSize: %dK. Must be at least InitialCodeCacheSize=%dK.\n",
ReservedCodeCacheSize/K, InitialCodeCacheSize/K);
status = false;
} else if (ReservedCodeCacheSize < min_code_cache_size) {
jio_fprintf(defaultStream::error_stream(),
"Invalid ReservedCodeCacheSize=%dK. Must be at least %uK.\n", ReservedCodeCacheSize/K,
min_code_cache_size/K);
status = false;
}
return status;
@ -2616,10 +2629,20 @@ jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args,
// -Xoss
} else if (match_option(option, "-Xoss", &tail)) {
// HotSpot does not have separate native and Java stacks, ignore silently for compatibility
// -Xmaxjitcodesize
} else if (match_option(option, "-XX:CodeCacheExpansionSize=", &tail)) {
julong long_CodeCacheExpansionSize = 0;
ArgsRange errcode = parse_memory_size(tail, &long_CodeCacheExpansionSize, os::vm_page_size());
if (errcode != arg_in_range) {
jio_fprintf(defaultStream::error_stream(),
"Invalid argument: %s. Must be at least %luK.\n", option->optionString,
os::vm_page_size()/K);
return JNI_EINVAL;
}
FLAG_SET_CMDLINE(uintx, CodeCacheExpansionSize, (uintx)long_CodeCacheExpansionSize);
} else if (match_option(option, "-Xmaxjitcodesize", &tail) ||
match_option(option, "-XX:ReservedCodeCacheSize=", &tail)) {
julong long_ReservedCodeCacheSize = 0;
ArgsRange errcode = parse_memory_size(tail, &long_ReservedCodeCacheSize, 1);
if (errcode != arg_in_range) {
jio_fprintf(defaultStream::error_stream(),