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8087333: Optionally Pre-Generate the HotSpot Template Interpreter

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Optional support for pregenerated template interpreter

Reviewed-by: coleenp, dholmes, kvn
This commit is contained in:
Bertrand Delsart 2015-07-01 10:53:26 +02:00
parent a7f0956201
commit 5aec2dc9fc
39 changed files with 716 additions and 257 deletions
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7
hotspot/src/share/vm/code/codeBlob.cpp
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@ -25,6 +25,7 @@
#include "precompiled.hpp"
#include "code/codeBlob.hpp"
#include "code/codeCache.hpp"
#include "code/codeCacheExtensions.hpp"
#include "code/relocInfo.hpp"
#include "compiler/disassembler.hpp"
#include "interpreter/bytecode.hpp"
@ -194,6 +195,7 @@ BufferBlob* BufferBlob::create(const char* name, int buffer_size) {
BufferBlob* blob = NULL;
unsigned int size = sizeof(BufferBlob);
CodeCacheExtensions::size_blob(name, &buffer_size);
// align the size to CodeEntryAlignment
size = align_code_offset(size);
size += round_to(buffer_size, oopSize);
@ -277,6 +279,7 @@ MethodHandlesAdapterBlob* MethodHandlesAdapterBlob::create(int buffer_size) {
MethodHandlesAdapterBlob* blob = NULL;
unsigned int size = sizeof(MethodHandlesAdapterBlob);
CodeCacheExtensions::size_blob("MethodHandles adapters", &buffer_size);
// align the size to CodeEntryAlignment
size = align_code_offset(size);
size += round_to(buffer_size, oopSize);
@ -317,11 +320,13 @@ RuntimeStub* RuntimeStub::new_runtime_stub(const char* stub_name,
{
RuntimeStub* stub = NULL;
ThreadInVMfromUnknown __tiv; // get to VM state in case we block on CodeCache_lock
{
if (!CodeCacheExtensions::skip_code_generation()) {
// bypass useless code generation
MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
unsigned int size = allocation_size(cb, sizeof(RuntimeStub));
stub = new (size) RuntimeStub(stub_name, cb, size, frame_complete, frame_size, oop_maps, caller_must_gc_arguments);
}
stub = (RuntimeStub*) CodeCacheExtensions::handle_generated_blob(stub, stub_name);
trace_new_stub(stub, "RuntimeStub - ", stub_name);