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Change MachineRelocation::DoesntNeedFnStub to NeedStub. This fields will be used

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for non-function GV relocations that require function address stubs (e.g. Mac OS X in non-static mode).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45527 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2008-01-03 02:56:28 +00:00
parent 9848ced5d0
commit 02aabbf96b
5 changed files with 67 additions and 66 deletions
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27
include/llvm/CodeGen/MachineRelocation.h
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@@ -64,7 +64,7 @@ class MachineRelocation {
unsigned TargetReloType : 6; // The target relocation ID.
AddressType AddrType : 4; // The field of Target to use.
bool DoesntNeedFnStub : 1; // True if we don't need a fn stub.
bool NeedStub : 1; // True if this relocation requires a stub.
bool GOTRelative : 1; // Should this relocation be relative to the GOT?
public:
@@ -79,7 +79,7 @@ public:
///
static MachineRelocation getGV(intptr_t offset, unsigned RelocationType,
GlobalValue *GV, intptr_t cst = 0,
bool DoesntNeedFunctionStub = 0,
bool NeedStub = 0,
bool GOTrelative = 0) {
assert((RelocationType & ~63) == 0 && "Relocation type too large!");
MachineRelocation Result;
@@ -87,7 +87,7 @@ public:
Result.ConstantVal = cst;
Result.TargetReloType = RelocationType;
Result.AddrType = isGV;
Result.DoesntNeedFnStub = DoesntNeedFunctionStub;
Result.NeedStub = NeedStub;
Result.GOTRelative = GOTrelative;
Result.Target.GV = GV;
return Result;
@@ -103,7 +103,7 @@ public:
Result.ConstantVal = cst;
Result.TargetReloType = RelocationType;
Result.AddrType = isBB;
Result.DoesntNeedFnStub = false;
Result.NeedStub = false;
Result.GOTRelative = false;
Result.Target.MBB = MBB;
return Result;
@@ -121,7 +121,7 @@ public:
Result.ConstantVal = cst;
Result.TargetReloType = RelocationType;
Result.AddrType = isExtSym;
Result.DoesntNeedFnStub = false;
Result.NeedStub = false;
Result.GOTRelative = GOTrelative;
Result.Target.ExtSym = ES;
return Result;
@@ -138,7 +138,7 @@ public:
Result.ConstantVal = cst;
Result.TargetReloType = RelocationType;
Result.AddrType = isConstPool;
Result.DoesntNeedFnStub = false;
Result.NeedStub = false;
Result.GOTRelative = false;
Result.Target.Index = CPI;
return Result;
@@ -155,7 +155,7 @@ public:
Result.ConstantVal = cst;
Result.TargetReloType = RelocationType;
Result.AddrType = isJumpTable;
Result.DoesntNeedFnStub = false;
Result.NeedStub = false;
Result.GOTRelative = false;
Result.Target.Index = JTI;
return Result;
@@ -223,13 +223,12 @@ public:
return GOTRelative;
}
/// doesntNeedFunctionStub - This function returns true if the JIT for this
/// target is capable of directly handling the relocated instruction without
/// using a stub function. It is always conservatively correct for this flag
/// to be false, but targets can improve their compilation callback functions
/// to handle more general cases if they want improved performance.
bool doesntNeedFunctionStub() const {
return DoesntNeedFnStub;
/// doesntNeedStub - This function returns true if the JIT for this target
/// target is capable of directly handling the relocated GlobalValue reference
/// without using either a stub function or issuing an extra load to get the
/// GV address.
bool doesntNeedStub() const {
return !NeedStub;
}
/// getGlobalValue - If this is a global value reference, return the