Add plumbing for the `linker_private' linkage type. This type is meant for
"private" symbols which the assember shouldn't strip, but which the linker may
remove after evaluation. This is mostly useful for Objective-C metadata.
This is plumbing, so we don't have a use of it yet. More to come, etc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76385 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
index e561929..08c6648 100644
--- a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
@@ -93,12 +93,15 @@
void Init(const std::string &GV, Mangler *Mang) {
// Already initialized.
if (!Stub.empty()) return;
- Stub = Mang->makeNameProper(GV+"$stub", true);
- LazyPtr = Mang->makeNameProper(GV+"$lazy_ptr", true);
- SLP = Mang->makeNameProper(GV+"$slp", true);
- SCV = Mang->makeNameProper(GV+"$scv", true);
+ Stub = Mang->makeNameProper(GV + "$stub",
+ Mangler::PrivatePrefixTy);
+ LazyPtr = Mang->makeNameProper(GV + "$lazy_ptr",
+ Mangler::PrivatePrefixTy);
+ SLP = Mang->makeNameProper(GV + "$slp",
+ Mangler::PrivatePrefixTy);
+ SCV = Mang->makeNameProper(GV + "$scv",
+ Mangler::PrivatePrefixTy);
}
-
};
/// FnStubs - Keeps the set of external function GlobalAddresses that the
@@ -256,6 +259,7 @@
switch (F->getLinkage()) {
default: llvm_unreachable("Unknown linkage type!");
case Function::PrivateLinkage:
+ case Function::LinkerPrivateLinkage:
case Function::InternalLinkage:
SwitchToTextSection("\t.text", F);
break;
@@ -1184,6 +1188,7 @@
O << "\t.globl " << name << "\n";
// FALL THROUGH
case GlobalValue::PrivateLinkage:
+ case GlobalValue::LinkerPrivateLinkage:
case GlobalValue::InternalLinkage:
break;
default:
diff --git a/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp b/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp
index b772c14..ce07225 100644
--- a/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp
+++ b/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp
@@ -157,6 +157,7 @@
default: llvm_unreachable("Unknown linkage type!");
case Function::InternalLinkage: // Symbols default to internal.
case Function::PrivateLinkage:
+ case Function::LinkerPrivateLinkage:
break;
case Function::ExternalLinkage:
O << "\t.globl " << CurrentFnName << "\n";
@@ -245,6 +246,7 @@
break;
case GlobalValue::InternalLinkage:
case GlobalValue::PrivateLinkage:
+ case GlobalValue::LinkerPrivateLinkage:
break;
default:
llvm_unreachable("Unknown linkage type!");
diff --git a/lib/Target/CellSPU/AsmPrinter/SPUAsmPrinter.cpp b/lib/Target/CellSPU/AsmPrinter/SPUAsmPrinter.cpp
index 3c67718..59e5c6e 100644
--- a/lib/Target/CellSPU/AsmPrinter/SPUAsmPrinter.cpp
+++ b/lib/Target/CellSPU/AsmPrinter/SPUAsmPrinter.cpp
@@ -437,6 +437,7 @@
switch (F->getLinkage()) {
default: llvm_unreachable("Unknown linkage type!");
case Function::PrivateLinkage:
+ case Function::LinkerPrivateLinkage:
case Function::InternalLinkage: // Symbols default to internal.
break;
case Function::ExternalLinkage:
@@ -571,6 +572,7 @@
<< "\t.type " << name << ", @object\n";
// FALL THROUGH
case GlobalValue::PrivateLinkage:
+ case GlobalValue::LinkerPrivateLinkage:
case GlobalValue::InternalLinkage:
break;
default:
diff --git a/lib/Target/CppBackend/CPPBackend.cpp b/lib/Target/CppBackend/CPPBackend.cpp
index d232a55..71af8a9 100644
--- a/lib/Target/CppBackend/CPPBackend.cpp
+++ b/lib/Target/CppBackend/CPPBackend.cpp
@@ -288,6 +288,8 @@
Out << "GlobalValue::InternalLinkage"; break;
case GlobalValue::PrivateLinkage:
Out << "GlobalValue::PrivateLinkage"; break;
+ case GlobalValue::LinkerPrivateLinkage:
+ Out << "GlobalValue::LinkerPrivateLinkage"; break;
case GlobalValue::AvailableExternallyLinkage:
Out << "GlobalValue::AvailableExternallyLinkage "; break;
case GlobalValue::LinkOnceAnyLinkage:
diff --git a/lib/Target/ELFTargetAsmInfo.cpp b/lib/Target/ELFTargetAsmInfo.cpp
index 752f475..0338ba4 100644
--- a/lib/Target/ELFTargetAsmInfo.cpp
+++ b/lib/Target/ELFTargetAsmInfo.cpp
@@ -77,6 +77,7 @@
switch (F->getLinkage()) {
default: llvm_unreachable("Unknown linkage type!");
case Function::PrivateLinkage:
+ case Function::LinkerPrivateLinkage:
case Function::InternalLinkage:
case Function::DLLExportLinkage:
case Function::ExternalLinkage:
diff --git a/lib/Target/IA64/AsmPrinter/IA64AsmPrinter.cpp b/lib/Target/IA64/AsmPrinter/IA64AsmPrinter.cpp
index c224c8a..dbf1b4c 100644
--- a/lib/Target/IA64/AsmPrinter/IA64AsmPrinter.cpp
+++ b/lib/Target/IA64/AsmPrinter/IA64AsmPrinter.cpp
@@ -317,6 +317,7 @@
// FALL THROUGH
case GlobalValue::InternalLinkage:
case GlobalValue::PrivateLinkage:
+ case GlobalValue::LinkerPrivateLinkage:
break;
case GlobalValue::GhostLinkage:
llvm_unreachable("GhostLinkage cannot appear in IA64AsmPrinter!");
diff --git a/lib/Target/MSP430/MSP430AsmPrinter.cpp b/lib/Target/MSP430/MSP430AsmPrinter.cpp
index 2ff5eec..49e2a2e 100644
--- a/lib/Target/MSP430/MSP430AsmPrinter.cpp
+++ b/lib/Target/MSP430/MSP430AsmPrinter.cpp
@@ -103,6 +103,7 @@
default: llvm_unreachable("Unknown linkage type!");
case Function::InternalLinkage: // Symbols default to internal.
case Function::PrivateLinkage:
+ case Function::LinkerPrivateLinkage:
break;
case Function::ExternalLinkage:
O << "\t.globl\t" << CurrentFnName << '\n';
diff --git a/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp b/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp
index abdd5a3..36c1c04 100644
--- a/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp
+++ b/lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp
@@ -538,6 +538,7 @@
O << TAI->getGlobalDirective() << name << '\n';
// Fall Through
case GlobalValue::PrivateLinkage:
+ case GlobalValue::LinkerPrivateLinkage:
case GlobalValue::InternalLinkage:
if (CVA && CVA->isCString())
printSizeAndType = false;
diff --git a/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp b/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
index a3526cc..a4fcdf6 100644
--- a/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
+++ b/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
@@ -70,9 +70,12 @@
void Init(const std::string &GV, Mangler *Mang) {
// Already initialized.
if (!Stub.empty()) return;
- Stub = Mang->makeNameProper(GV+"$stub", true);
- LazyPtr = Mang->makeNameProper(GV+"$lazy_ptr", true);
- AnonSymbol = Mang->makeNameProper(GV+"$stub$tmp", true);
+ Stub = Mang->makeNameProper(GV + "$stub",
+ Mangler::PrivatePrefixTy);
+ LazyPtr = Mang->makeNameProper(GV + "$lazy_ptr",
+ Mangler::PrivatePrefixTy);
+ AnonSymbol = Mang->makeNameProper(GV + "$stub$tmp",
+ Mangler::PrivatePrefixTy);
}
};
@@ -594,6 +597,7 @@
switch (F->getLinkage()) {
default: llvm_unreachable("Unknown linkage type!");
case Function::PrivateLinkage:
+ case Function::LinkerPrivateLinkage:
case Function::InternalLinkage: // Symbols default to internal.
break;
case Function::ExternalLinkage:
@@ -725,6 +729,7 @@
// FALL THROUGH
case GlobalValue::InternalLinkage:
case GlobalValue::PrivateLinkage:
+ case GlobalValue::LinkerPrivateLinkage:
break;
default:
llvm_unreachable("Unknown linkage type!");
@@ -771,6 +776,7 @@
switch (F->getLinkage()) {
default: llvm_unreachable("Unknown linkage type!");
case Function::PrivateLinkage:
+ case Function::LinkerPrivateLinkage:
case Function::InternalLinkage: // Symbols default to internal.
break;
case Function::ExternalLinkage:
@@ -954,6 +960,7 @@
// FALL THROUGH
case GlobalValue::InternalLinkage:
case GlobalValue::PrivateLinkage:
+ case GlobalValue::LinkerPrivateLinkage:
break;
default:
llvm_unreachable("Unknown linkage type!");
diff --git a/lib/Target/Sparc/AsmPrinter/SparcAsmPrinter.cpp b/lib/Target/Sparc/AsmPrinter/SparcAsmPrinter.cpp
index f6a5e0b..3247cec 100644
--- a/lib/Target/Sparc/AsmPrinter/SparcAsmPrinter.cpp
+++ b/lib/Target/Sparc/AsmPrinter/SparcAsmPrinter.cpp
@@ -294,6 +294,7 @@
O << TAI->getGlobalDirective() << name << '\n';
// FALL THROUGH
case GlobalValue::PrivateLinkage:
+ case GlobalValue::LinkerPrivateLinkage:
case GlobalValue::InternalLinkage:
break;
case GlobalValue::GhostLinkage:
diff --git a/lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp b/lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp
index 1bb4d42..7dd6fcc 100644
--- a/lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp
+++ b/lib/Target/SystemZ/AsmPrinter/SystemZAsmPrinter.cpp
@@ -118,6 +118,7 @@
default: assert(0 && "Unknown linkage type!");
case Function::InternalLinkage: // Symbols default to internal.
case Function::PrivateLinkage:
+ case Function::LinkerPrivateLinkage:
break;
case Function::ExternalLinkage:
O << "\t.globl\t" << CurrentFnName << '\n';
@@ -396,6 +397,7 @@
O << "\t.globl " << name << '\n';
// FALL THROUGH
case GlobalValue::PrivateLinkage:
+ case GlobalValue::LinkerPrivateLinkage:
case GlobalValue::InternalLinkage:
break;
default:
diff --git a/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp b/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
index 2cec373..4cb447b 100644
--- a/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
+++ b/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
@@ -171,6 +171,7 @@
default: llvm_unreachable("Unknown linkage type!");
case Function::InternalLinkage: // Symbols default to internal.
case Function::PrivateLinkage:
+ case Function::LinkerPrivateLinkage:
EmitAlignment(FnAlign, F);
break;
case Function::DLLExportLinkage:
@@ -877,6 +878,7 @@
O << "\t.globl " << name << '\n';
// FALL THROUGH
case GlobalValue::PrivateLinkage:
+ case GlobalValue::LinkerPrivateLinkage:
case GlobalValue::InternalLinkage:
break;
default:
diff --git a/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.cpp b/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.cpp
index 4b88841..3c2722e 100644
--- a/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.cpp
+++ b/lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.cpp
@@ -146,6 +146,7 @@
switch (F->getLinkage()) {
default: llvm_unreachable("Unsupported linkage type!");
case Function::PrivateLinkage:
+ case Function::LinkerPrivateLinkage:
case Function::InternalLinkage:
EmitAlignment(FnAlign);
break;
diff --git a/lib/Target/XCore/XCoreAsmPrinter.cpp b/lib/Target/XCore/XCoreAsmPrinter.cpp
index 218b21d..6bb29b3 100644
--- a/lib/Target/XCore/XCoreAsmPrinter.cpp
+++ b/lib/Target/XCore/XCoreAsmPrinter.cpp
@@ -172,6 +172,7 @@
// FALL THROUGH
case GlobalValue::InternalLinkage:
case GlobalValue::PrivateLinkage:
+ case GlobalValue::LinkerPrivateLinkage:
break;
case GlobalValue::GhostLinkage:
llvm_unreachable("Should not have any unmaterialized functions!");
@@ -228,6 +229,7 @@
default: llvm_unreachable("Unknown linkage type!");
case Function::InternalLinkage: // Symbols default to internal.
case Function::PrivateLinkage:
+ case Function::LinkerPrivateLinkage:
break;
case Function::ExternalLinkage:
emitGlobalDirective(CurrentFnName);