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6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits

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Cache Jvmti and DTrace flags used by Compiler.

Reviewed-by: never
This commit is contained in:
Vladimir Kozlov 2009-05-08 10:44:20 -07:00
parent b5cff6a1a0
commit 34ee921399
16 changed files with 118 additions and 35 deletions
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26
hotspot/src/share/vm/ci/ciEnv.hpp
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@ -53,6 +53,18 @@ private:
char* _name_buffer;
int _name_buffer_len;
// Cache Jvmti state
bool _jvmti_can_hotswap_or_post_breakpoint;
bool _jvmti_can_examine_or_deopt_anywhere;
bool _jvmti_can_access_local_variables;
bool _jvmti_can_post_exceptions;
// Cache DTrace flags
bool _dtrace_extended_probes;
bool _dtrace_monitor_probes;
bool _dtrace_method_probes;
bool _dtrace_alloc_probes;
// Distinguished instances of certain ciObjects..
static ciObject* _null_object_instance;
static ciMethodKlass* _method_klass_instance;
@ -236,6 +248,20 @@ public:
bool break_at_compile() { return _break_at_compile; }
void set_break_at_compile(bool z) { _break_at_compile = z; }
// Cache Jvmti state
void cache_jvmti_state();
bool jvmti_can_hotswap_or_post_breakpoint() const { return _jvmti_can_hotswap_or_post_breakpoint; }
bool jvmti_can_examine_or_deopt_anywhere() const { return _jvmti_can_examine_or_deopt_anywhere; }
bool jvmti_can_access_local_variables() const { return _jvmti_can_access_local_variables; }
bool jvmti_can_post_exceptions() const { return _jvmti_can_post_exceptions; }
// Cache DTrace flags
void cache_dtrace_flags();
bool dtrace_extended_probes() const { return _dtrace_extended_probes; }
bool dtrace_monitor_probes() const { return _dtrace_monitor_probes; }
bool dtrace_method_probes() const { return _dtrace_method_probes; }
bool dtrace_alloc_probes() const { return _dtrace_alloc_probes; }
// The compiler task which has created this env.
// May be useful to find out compile_id, comp_level, etc.
CompileTask* task() { return _task; }