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8193260: AArch64: JVMCI: Implement trampoline calls

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Reviewed-by: adinn
This commit is contained in:
Andrew Haley 2018-01-03 17:29:20 +00:00
parent 407df53824
commit c7e601e911
13 changed files with 67 additions and 16 deletions
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17
src/hotspot/share/jvmci/jvmciCodeInstaller.cpp
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@ -696,6 +696,7 @@ int CodeInstaller::estimate_stubs_size(TRAPS) {
// Estimate the number of static and aot call stubs that might be emitted.
int static_call_stubs = 0;
int aot_call_stubs = 0;
int trampoline_stubs = 0;
objArrayOop sites = this->sites();
for (int i = 0; i < sites->length(); i++) {
oop site = sites->obj_at(i);
@ -707,8 +708,18 @@ int CodeInstaller::estimate_stubs_size(TRAPS) {
JVMCI_ERROR_0("expected Integer id, got %s", id_obj->klass()->signature_name());
}
jint id = id_obj->int_field(java_lang_boxing_object::value_offset_in_bytes(T_INT));
if (id == INVOKESTATIC || id == INVOKESPECIAL) {
switch (id) {
case INVOKEINTERFACE:
case INVOKEVIRTUAL:
trampoline_stubs++;
break;
case INVOKESTATIC:
case INVOKESPECIAL:
static_call_stubs++;
trampoline_stubs++;
break;
default:
break;
}
}
}
@ -723,6 +734,7 @@ int CodeInstaller::estimate_stubs_size(TRAPS) {
}
}
int size = static_call_stubs * CompiledStaticCall::to_interp_stub_size();
size += trampoline_stubs * CompiledStaticCall::to_trampoline_stub_size();
#if INCLUDE_AOT
size += aot_call_stubs * CompiledStaticCall::to_aot_stub_size();
#endif
@ -1168,7 +1180,7 @@ void CodeInstaller::site_Call(CodeBuffer& buffer, jint pc_offset, Handle site, T
}
TRACE_jvmci_3("method call");
CodeInstaller::pd_relocate_JavaMethod(hotspot_method, pc_offset, CHECK);
CodeInstaller::pd_relocate_JavaMethod(buffer, hotspot_method, pc_offset, CHECK);
if (_next_call_type == INVOKESTATIC || _next_call_type == INVOKESPECIAL) {
// Need a static call stub for transitions from compiled to interpreted.
CompiledStaticCall::emit_to_interp_stub(buffer, _instructions->start() + pc_offset);
@ -1279,4 +1291,3 @@ void CodeInstaller::site_Mark(CodeBuffer& buffer, jint pc_offset, Handle site, T
}
}
}