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authorEric Christopher <echristo@apple.com>2010-05-26 00:02:12 +0000
committerEric Christopher <echristo@apple.com>2010-05-26 00:02:12 +0000
commit37f02762a6bf43d6aa45555a5fe20232d84d7e3f (patch)
treea97ce8e51e5cd25d043907985b60f91f0dfca084
parentb1f8c9a09d1a27a0da62d5ea46640c3e9a38e0db (diff)
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Start adding mach-o tls reloc support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104651 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--include/llvm/MC/MCExpr.h3
-rw-r--r--lib/MC/MCExpr.cpp2
-rw-r--r--lib/MC/MachObjectWriter.cpp10
3 files changed, 12 insertions, 3 deletions
diff --git a/include/llvm/MC/MCExpr.h b/include/llvm/MC/MCExpr.h
index bb8f2bb..1f9b8f2 100644
--- a/include/llvm/MC/MCExpr.h
+++ b/include/llvm/MC/MCExpr.h
@@ -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:
diff --git a/lib/MC/MCExpr.cpp b/lib/MC/MCExpr.cpp
index 068ca81..c000dd7 100644
--- a/lib/MC/MCExpr.cpp
+++ b/lib/MC/MCExpr.cpp
@@ -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);
}
diff --git a/lib/MC/MachObjectWriter.cpp b/lib/MC/MachObjectWriter.cpp
index 9bcb93e..fc742e4 100644
--- a/lib/MC/MachObjectWriter.cpp
+++ b/lib/MC/MachObjectWriter.cpp
@@ -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