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8145221: Use trampolines for i2i and i2c entries in Methods that are stored in CDS archive

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This optimization reduces the size of the RW region of the CDS archive. It also reduces the amount of pages in the RW region that are actually written into during runtime.

Co-authored-by: Ioi Lam <ioi.lam@oracle.com>
Co-authored-by: Goetz Lindenmaier <goetz.lindenmaier@sap.com>
Reviewed-by: dlong, iklam, jiangli
This commit is contained in:
Calvin Cheung 2016-04-07 22:03:04 -07:00
parent 2d2abce433
commit 28edd79d64
27 changed files with 408 additions and 47 deletions
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9
hotspot/src/cpu/zero/vm/sharedRuntime_zero.cpp
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@ -132,6 +132,15 @@ RuntimeStub* SharedRuntime::generate_resolve_blob(address destination, const cha
return generate_empty_runtime_stub("resolve_blob");
}
size_t SharedRuntime::trampoline_size() {
ShouldNotCallThis();
return 0;
}
void SharedRuntime::generate_trampoline(MacroAssembler *masm, address destination) {
ShouldNotCallThis();
return;
}
int SharedRuntime::c_calling_convention(const BasicType *sig_bt,
VMRegPair *regs,