int Compilation::emit_code_body() {
// emit code
if (!setup_code_buffer(code(), allocator()->num_calls())) {
BAILOUT_("size requested greater than avail code buffer size", 0);
}
code()->initialize_oop_recorder(env()->oop_recorder());
_masm = new C1_MacroAssembler(code());
_masm->set_oop_recorder(env()->oop_recorder());
LIR_Assembler lir_asm(this);
lir_asm.emit_code(hir()->code());
CHECK_BAILOUT_(0);
emit_code_epilog(&lir_asm);
CHECK_BAILOUT_(0);
generate_exception_handler_table();
#ifndef PRODUCT
if (PrintExceptionHandlers && Verbose) {
exception_handler_table()->print();
}
#endif /* PRODUCT */
return frame_map()->framesize();
}
void Runtime1::generate_blob_for(StubID id) {
assert(0 <= id && id < number_of_ids, "illegal stub id");
ResourceMark rm;
// create code buffer for code storage
CodeBuffer code(get_buffer_blob()->instructions_begin(),
get_buffer_blob()->instructions_size());
setup_code_buffer(&code, 0);
// create assembler for code generation
StubAssembler* sasm = new StubAssembler(&code, name_for(id), id);
// generate code for runtime stub
OopMapSet* oop_maps;
oop_maps = generate_code_for(id, sasm);
assert(oop_maps == NULL || sasm->frame_size() != no_frame_size,
"if stub has an oop map it must have a valid frame size");
#ifdef ASSERT
// Make sure that stubs that need oopmaps have them
switch (id) {
// These stubs don't need to have an oopmap
case dtrace_object_alloc_id:
case g1_pre_barrier_slow_id:
case g1_post_barrier_slow_id:
case slow_subtype_check_id:
case fpu2long_stub_id:
case unwind_exception_id:
#ifndef TIERED
case counter_overflow_id: // Not generated outside the tiered world
#endif
#ifdef SPARC
case handle_exception_nofpu_id: // Unused on sparc
#endif
break;
// All other stubs should have oopmaps
default:
assert(oop_maps != NULL, "must have an oopmap");
}
#endif
// align so printing shows nop's instead of random code at the end (SimpleStubs are aligned)
sasm->align(BytesPerWord);
// make sure all code is in code buffer
sasm->flush();
// create blob - distinguish a few special cases
CodeBlob* blob = RuntimeStub::new_runtime_stub(name_for(id),
&code,
CodeOffsets::frame_never_safe,
sasm->frame_size(),
oop_maps,
sasm->must_gc_arguments());
// install blob
assert(blob != NULL, "blob must exist");
_blobs[id] = blob;
}
