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Add full support for calls on z/OS and enable corresponding tests #4907

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merged 17 commits into from
Apr 2, 2020
Merged

Add full support for calls on z/OS and enable corresponding tests #4907

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c195267
Enhance JitBuilder Call sample to be more exhaustive
fjeremic Mar 4, 2020
7b3ecf2
Enable Tril tests with calls on z/OS
fjeremic Mar 4, 2020
cda9342
Deprecate isXPLinkToPureOSLinkageCall path
fjeremic Mar 5, 2020
a971b3c
Fix loading of double arguments on Z
fjeremic Mar 5, 2020
f20d681
Add documentation on PPM file format of Mandelbrot sample
fjeremic Mar 5, 2020
bb4cbe8
Enhance Tril LinkageTest to be much more comprehensive
fjeremic Mar 6, 2020
e0fdba4
Create the XPLINK Function Descriptor for OMR compiled bodies on z/OS
fjeremic Mar 6, 2020
cbc0185
Use method symbol address to get the entry point in Tril and JitBuilder
fjeremic Mar 6, 2020
448f3f0
Reformat performProcessRelocationsPhase function
fjeremic Mar 6, 2020
eaaa3c7
Enable JitBuilder extended tests on z/OS
fjeremic Mar 6, 2020
9278fbe
Revert "Disable test compiler tests on z/OS"
fjeremic Mar 9, 2020
5545930
Revert "Disable Tril's IlGenTest on z/OS"
fjeremic Mar 9, 2020
68fafb1
Replace uintptrj_t with uintptr_t
fjeremic Mar 20, 2020
0bd553a
Add missing OMRPORT_ACCESS_FROM_OMRPORT in LinkageTest
fjeremic Mar 20, 2020
f5f00a4
Simplify if/else to ternary in OMRLinkage.cpp
fjeremic Mar 31, 2020
fa96327
Remove redundant static_cast in LinkageTest.cpp
fjeremic Mar 31, 2020
cf60a96
Add SKIP_ON_S390_LINUX macros and use them in LinkageTest.cpp
fjeremic Mar 31, 2020
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18 changes: 0 additions & 18 deletions compiler/z/codegen/OMRLinkage.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2035,31 +2035,13 @@ OMR::Z::Linkage::buildArgs(TR::Node * callNode, TR::RegisterDependencyConditions
argSize += gprSize;
}

bool isXPLinkToPureOSLinkageCall = false;
if (!self()->isFirstParmAtFixedOffset())
{
stackOffset = argSize;
}
else
{
stackOffset = self()->getOffsetToFirstParm();
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if (isXPLinkToPureOSLinkageCall)
{
// Load argument list (GPR1) pointer here in XPLink to OS linkage call
// The OS linkage argument list is embedded in the XPLink outbound argument area
// at offset 8 instead of 0 (to bypass collision with long displacement slot)
TR::Register *r1Reg = self()->cg()->allocateRegister();
if (stackOffset == self()->getOffsetToLongDispSlot())
{
stackOffset += 8; // avoid first parm at long displacement slot
}
TR::RealRegister * stackPtr = self()->getNormalStackPointerRealRegister();
generateRXInstruction(self()->cg(), TR::InstOpCode::LA, callNode, r1Reg,
generateS390MemoryReference(stackPtr, stackOffset, self()->cg()));
dependencies->addPreCondition(r1Reg, TR::RealRegister::GPR1);
self()->cg()->stopUsingRegister(r1Reg);
}
}

//store env register
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