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Start adding mach-o tls reloc support.

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llvm-svn: 104651
This commit is contained in:
Eric Christopher 2010-05-26 00:02:12 +00:00
parent 41388819f1
commit 371732bd2a
3 changed files with 12 additions and 3 deletions
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3
include/llvm/MC/MCExpr.h
View File

@ -136,7 +136,8 @@ public:
VK_TLSGD,
VK_TPOFF,
VK_ARM_HI16, // The R_ARM_MOVT_ABS relocation (:upper16: in the asm file)
VK_ARM_LO16 // The R_ARM_MOVW_ABS_NC relocation (:lower16: in the asm file)
VK_ARM_LO16, // The R_ARM_MOVW_ABS_NC relocation (:lower16: in the asm file)
VK_TLVP // Mach-O thread local variable relocation
};
private:

2
lib/MC/MCExpr.cpp
View File

@ -177,6 +177,7 @@ StringRef MCSymbolRefExpr::getVariantKindName(VariantKind Kind) {
case VK_TPOFF: return "TPOFF";
case VK_ARM_HI16: return ":upper16:";
case VK_ARM_LO16: return ":lower16:";
case VK_TLVP: return "TLVP";
}
}
@ -192,6 +193,7 @@ MCSymbolRefExpr::getVariantKindForName(StringRef Name) {
.Case("PLT", VK_PLT)
.Case("TLSGD", VK_TLSGD)
.Case("TPOFF", VK_TPOFF)
.Case("TLVP", VK_TLVP)
.Default(VK_Invalid);
}

10
lib/MC/MachObjectWriter.cpp
View File

@ -145,7 +145,8 @@ class MachObjectWriterImpl {
RIT_Pair = 1,
RIT_Difference = 2,
RIT_PreboundLazyPointer = 3,
RIT_LocalDifference = 4
RIT_LocalDifference = 4,
RIT_TLV = 5
};
/// X86_64 uses its own relocation types.
@ -158,7 +159,8 @@ class MachObjectWriterImpl {
RIT_X86_64_Subtractor = 5,
RIT_X86_64_Signed1 = 6,
RIT_X86_64_Signed2 = 7,
RIT_X86_64_Signed4 = 8
RIT_X86_64_Signed4 = 8,
RIT_X86_64_TLV = 9
};
/// MachSymbolData - Helper struct for containing some precomputed information
@ -610,6 +612,8 @@ public:
Type = RIT_X86_64_GOT;
} else if (Modifier != MCSymbolRefExpr::VK_None) {
report_fatal_error("unsupported symbol modifier in relocation");
} else if (Modifier == MCSymbolRefExpr::VK_TLVP) {
Type = RIT_X86_64_TLV;
} else {
Type = RIT_X86_64_Signed;
@ -650,6 +654,8 @@ public:
// required to include any necessary offset directly.
Type = RIT_X86_64_GOT;
IsPCRel = 1;
} else if (Modifier == MCSymbolRefExpr::VK_TLVP) {
report_fatal_error("TLVP symbol modifier should have been rip-rel");
} else if (Modifier != MCSymbolRefExpr::VK_None)
report_fatal_error("unsupported symbol modifier in relocation");
else