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[CodeView] Implement support for thread-local variables

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@274734 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Majnemer 2016-07-07 05:14:21 +00:00
parent c4b1cdda55
commit 3ceb1244c8
2 changed files with 19 additions and 9 deletions
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19
lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
View File

@ -1998,12 +1998,23 @@ void CodeViewDebug::emitDebugInfoForGlobal(const DIGlobalVariable *DIGV,
OS.AddComment("Record length");
OS.emitAbsoluteSymbolDiff(DataEnd, DataBegin, 2);
OS.EmitLabel(DataBegin);
const auto *GV = cast<GlobalVariable>(DIGV->getVariable());
if (DIGV->isLocalToUnit()) {
OS.AddComment("Record kind: S_LDATA32");
OS.EmitIntValue(unsigned(SymbolKind::S_LDATA32), 2);
if (GV->isThreadLocal()) {
OS.AddComment("Record kind: S_LTHREAD32");
OS.EmitIntValue(unsigned(SymbolKind::S_LTHREAD32), 2);
} else {
OS.AddComment("Record kind: S_LDATA32");
OS.EmitIntValue(unsigned(SymbolKind::S_LDATA32), 2);
}
} else {
OS.AddComment("Record kind: S_GDATA32");
OS.EmitIntValue(unsigned(SymbolKind::S_GDATA32), 2);
if (GV->isThreadLocal()) {
OS.AddComment("Record kind: S_GTHREAD32");
OS.EmitIntValue(unsigned(SymbolKind::S_GTHREAD32), 2);
} else {
OS.AddComment("Record kind: S_GDATA32");
OS.EmitIntValue(unsigned(SymbolKind::S_GDATA32), 2);
}
}
OS.AddComment("Type");
OS.EmitIntValue(getCompleteTypeIndex(DIGV->getType()).getIndex(), 4);

9
test/DebugInfo/COFF/globals.ll
View File

@ -21,7 +21,7 @@
; ASM: .asciz "first" # Name
; ASM: .short {{.*-.*}} # Record length
; ASM: .short 4365 # Record kind: S_GDATA32
; ASM: .short 4371 # Record kind: S_GTHREAD32
; ASM: .long 4097 # Type
; ASM: .secrel32 "?middle@@3PEBHEB" # DataOffset
; ASM: .secidx "?middle@@3PEBHEB" # Segment
@ -80,8 +80,7 @@
; OBJ: DisplayName: first
; OBJ: LinkageName: ?first@@3HA
; OBJ: }
; OBJ: DataSym {
; OBJ: Kind: S_GDATA32 (0x110D)
; OBJ: ThreadLocalDataSym {
; OBJ: DataOffset: ?middle@@3PEBHEB+0x0
; OBJ: Type: const int* (0x1001)
; OBJ: DisplayName: middle
@ -97,7 +96,7 @@
; OBJ: ]
; OBJ: ]
; OBJ: CodeViewDebugInfo [
; OBJ: Section: .debug$S (6)
; OBJ: Section: .debug$S (7)
; OBJ: Magic: 0x4
; OBJ: Subsection [
; OBJ: SubSectionType: Symbols (0xF1)
@ -120,7 +119,7 @@ $"\01?comdat@?$A@X@@2HB" = comdat any
@"\01?first@@3HA" = internal global i32 0, align 4
@"\01?comdat@?$A@X@@2HB" = linkonce_odr constant i32 3, comdat, align 4
@"\01?middle@@3PEBHEB" = global i32* @"\01?comdat@?$A@X@@2HB", align 8
@"\01?middle@@3PEBHEB" = thread_local global i32* @"\01?comdat@?$A@X@@2HB", align 8
@"\01?last@@3HA" = global i32 0, align 4
!llvm.dbg.cu = !{!0}