Changes in directory llvm/lib/Target/X86:
X86ATTAsmPrinter.cpp updated: 1.69 -> 1.70
X86AsmPrinter.cpp updated: 1.207 -> 1.208
X86AsmPrinter.h updated: 1.33 -> 1.34
X86ISelLowering.cpp updated: 1.282 -> 1.283
X86InstrInfo.td updated: 1.292 -> 1.293
X86TargetAsmInfo.cpp updated: 1.5 -> 1.6
---
Log message:
Add debug support for X86/ELF targets (Linux). This allows llvm-gcc4
generated object modules to be debugged with gdb. Hopefully this helps
pre-release debugging.
---
Diffs of the changes: (+39 -9)
X86ATTAsmPrinter.cpp | 6 +++---
X86AsmPrinter.cpp | 8 +++++++-
X86AsmPrinter.h | 2 +-
X86ISelLowering.cpp | 2 +-
X86InstrInfo.td | 6 +++---
X86TargetAsmInfo.cpp | 24 ++++++++++++++++++++++++
6 files changed, 39 insertions(+), 9 deletions(-)
Index: llvm/lib/Target/X86/X86ATTAsmPrinter.cpp
diff -u llvm/lib/Target/X86/X86ATTAsmPrinter.cpp:1.69
llvm/lib/Target/X86/X86ATTAsmPrinter.cpp:1.70
--- llvm/lib/Target/X86/X86ATTAsmPrinter.cpp:1.69 Wed Oct 18 04:12:29 2006
+++ llvm/lib/Target/X86/X86ATTAsmPrinter.cpp Mon Oct 30 16:32:30 2006
@@ -52,7 +52,7 @@
/// method to print assembly for each instruction.
///
bool X86ATTAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
- if (Subtarget->isTargetDarwin()) {
+ if (Subtarget->isTargetDarwin() || Subtarget->isTargetELF()) {
// Let PassManager know we need debug information and relay
// the MachineDebugInfo address on to DwarfWriter.
DW.SetDebugInfo(&getAnalysis<MachineDebugInfo>());
@@ -111,7 +111,7 @@
F->getLinkage() == Function::WeakLinkage))
O << "_llvm$workaround$fake$stub_" << CurrentFnName << ":\n";
- if (Subtarget->isTargetDarwin()) {
+ if (Subtarget->isTargetDarwin() || Subtarget->isTargetELF()) {
// Emit pre-function debug information.
DW.BeginFunction(&MF);
}
@@ -141,7 +141,7 @@
if (TAI->hasDotTypeDotSizeDirective())
O << "\t.size " << CurrentFnName << ", .-" << CurrentFnName << "\n";
- if (Subtarget->isTargetDarwin()) {
+ if (Subtarget->isTargetDarwin() || Subtarget->isTargetELF()) {
// Emit post-function debug information.
DW.EndFunction();
}
Index: llvm/lib/Target/X86/X86AsmPrinter.cpp
diff -u llvm/lib/Target/X86/X86AsmPrinter.cpp:1.207
llvm/lib/Target/X86/X86AsmPrinter.cpp:1.208
--- llvm/lib/Target/X86/X86AsmPrinter.cpp:1.207 Sat Oct 28 00:56:06 2006
+++ llvm/lib/Target/X86/X86AsmPrinter.cpp Mon Oct 30 16:32:30 2006
@@ -116,6 +116,9 @@
// Emit initial debug information.
DW.BeginModule(&M);
+ } else if (Subtarget->isTargetELF()) {
+ // Emit initial debug information.
+ DW.BeginModule(&M);
}
return AsmPrinter::doInitialization(M);
@@ -278,7 +281,7 @@
O << "\t.long\t0\n";
}
- // Emit initial debug information.
+ // Emit final debug information.
DW.EndModule();
// Funny Darwin hack: This flag tells the linker that no global symbols
@@ -287,6 +290,9 @@
// linker can safely perform dead code stripping. Since LLVM never
// generates code that does this, it is always safe to set.
O << "\t.subsections_via_symbols\n";
+ } else if (Subtarget->isTargetELF()) {
+ // Emit final debug information.
+ DW.EndModule();
}
AsmPrinter::doFinalization(M);
Index: llvm/lib/Target/X86/X86AsmPrinter.h
diff -u llvm/lib/Target/X86/X86AsmPrinter.h:1.33
llvm/lib/Target/X86/X86AsmPrinter.h:1.34
--- llvm/lib/Target/X86/X86AsmPrinter.h:1.33 Mon Sep 25 22:57:53 2006
+++ llvm/lib/Target/X86/X86AsmPrinter.h Mon Oct 30 16:32:30 2006
@@ -67,7 +67,7 @@
void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
- if (Subtarget->isTargetDarwin()) {
+ if (Subtarget->isTargetDarwin() || Subtarget->isTargetELF()) {
AU.addRequired<MachineDebugInfo>();
}
MachineFunctionPass::getAnalysisUsage(AU);
Index: llvm/lib/Target/X86/X86ISelLowering.cpp
diff -u llvm/lib/Target/X86/X86ISelLowering.cpp:1.282
llvm/lib/Target/X86/X86ISelLowering.cpp:1.283
--- llvm/lib/Target/X86/X86ISelLowering.cpp:1.282 Mon Oct 30 02:02:39 2006
+++ llvm/lib/Target/X86/X86ISelLowering.cpp Mon Oct 30 16:32:30 2006
@@ -219,7 +219,7 @@
setOperationAction(ISD::LOCATION, MVT::Other, Expand);
setOperationAction(ISD::DEBUG_LOC, MVT::Other, Expand);
// FIXME - use subtarget debug flags
- if (!Subtarget->isTargetDarwin())
+ if (!Subtarget->isTargetDarwin() && !Subtarget->isTargetELF())
setOperationAction(ISD::DEBUG_LABEL, MVT::Other, Expand);
// VASTART needs to be custom lowered to use the VarArgsFrameIndex
Index: llvm/lib/Target/X86/X86InstrInfo.td
diff -u llvm/lib/Target/X86/X86InstrInfo.td:1.292
llvm/lib/Target/X86/X86InstrInfo.td:1.293
--- llvm/lib/Target/X86/X86InstrInfo.td:1.292 Fri Oct 13 16:14:26 2006
+++ llvm/lib/Target/X86/X86InstrInfo.td Mon Oct 30 16:32:30 2006
@@ -2451,9 +2451,9 @@
[(dwarf_loc (i32 imm:$line), (i32 imm:$col),
(i32 imm:$file))]>;
-def DWARF_LABEL : I<0, Pseudo, (ops i32imm:$id),
- "\nLdebug_loc${id:debug}:",
- [(dwarf_label (i32 imm:$id))]>;
+def DWARF_LABEL : I<0, Pseudo, (ops i32imm:$id),
+ "\n${:private}debug_loc${id:debug}:",
+ [(dwarf_label (i32 imm:$id))]>;
//===----------------------------------------------------------------------===//
// Non-Instruction Patterns
Index: llvm/lib/Target/X86/X86TargetAsmInfo.cpp
diff -u llvm/lib/Target/X86/X86TargetAsmInfo.cpp:1.5
llvm/lib/Target/X86/X86TargetAsmInfo.cpp:1.6
--- llvm/lib/Target/X86/X86TargetAsmInfo.cpp:1.5 Thu Oct 26 14:18:18 2006
+++ llvm/lib/Target/X86/X86TargetAsmInfo.cpp Mon Oct 30 16:32:30 2006
@@ -60,6 +60,30 @@
DwarfRangesSection = ".section __DWARF,__debug_ranges,regular,debug";
DwarfMacInfoSection = ".section __DWARF,__debug_macinfo,regular,debug";
break;
+
+ case X86Subtarget::isELF:
+ // Set up DWARF directives
+ HasLEB128 = true; // Target asm supports leb128 directives (little-endian)
+ // bool HasLEB128; // Defaults to false.
+ // hasDotLoc - True if target asm supports .loc directives.
+ // bool HasDotLoc; // Defaults to false.
+ // HasDotFile - True if target asm supports .file directives.
+ // bool HasDotFile; // Defaults to false.
+ PrivateGlobalPrefix = "."; // Prefix for private global symbols
+ DwarfRequiresFrameSection = false;
+ DwarfAbbrevSection = "\t.section\t.debug_abbrev,\"\",@progbits";
+ DwarfInfoSection = "\t.section\t.debug_info,\"\",@progbits";
+ DwarfLineSection = "\t.section\t.debug_line,\"\",@progbits";
+ DwarfFrameSection = "\t.section\t.debug_frame,\"\",@progbits";
+ DwarfPubNamesSection ="\t.section\t.debug_pubnames,\"\",@progbits";
+ DwarfPubTypesSection ="\t.section\t.debug_pubtypes,\"\",@progbits";
+ DwarfStrSection = "\t.section\t.debug_str,\"\",@progbits";
+ DwarfLocSection = "\t.section\t.debug_loc,\"\",@progbits";
+ DwarfARangesSection = "\t.section\t.debug_aranges,\"\",@progbits";
+ DwarfRangesSection = "\t.section\t.debug_ranges,\"\",@progbits";
+ DwarfMacInfoSection = "\t.section\t.debug_macinfo,\"\",@progbits";
+ break;
+
case X86Subtarget::isCygwin:
GlobalPrefix = "_";
COMMDirectiveTakesAlignment = false;
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