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Tie dwarf generation to darwin assembler.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25093 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Laskey
2006-01-04 13:52:30 +00:00
parent 780a61cf04
commit a7cea6f599
6 changed files with 311 additions and 12 deletions
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lib/Target/PowerPC/PPCAsmPrinter.cpp
+34 -8
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@@ -25,6 +25,7 @@
#include "llvm/Module.h"
#include "llvm/Assembly/Writer.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/CodeGen/DwarfWriter.h"
#include "llvm/CodeGen/MachineDebugInfo.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineInstr.h"
@@ -205,13 +206,33 @@ namespace {
virtual bool doFinalization(Module &M) = 0;
};
/// DarwinDwarfWriter - Dwarf debug info writer customized for Darwin/Mac OS X
///
struct DarwinDwarfWriter : public DwarfWriter {
// Ctor.
DarwinDwarfWriter(std::ostream &o, AsmPrinter *ap, MachineDebugInfo &di)
: DwarfWriter(o, ap, di)
{
hasLEB128 = false;
needsSet = true;
DwarfAbbrevSection = ".section __DWARFA,__debug_abbrev,regular,debug";
DwarfInfoSection = ".section __DWARFA,__debug_info,regular,debug";
DwarfLineSection = ".section __DWARFA,__debug_line,regular,debug";
}
};
/// DarwinAsmPrinter - PowerPC assembly printer, customized for Darwin/Mac OS
/// X
///
struct DarwinAsmPrinter : public PPCAsmPrinter {
DarwinDwarfWriter DW;
DarwinAsmPrinter(std::ostream &O, TargetMachine &TM)
: PPCAsmPrinter(O, TM) {
: PPCAsmPrinter(O, TM),
// FIXME - MachineDebugInfo needs a proper location
DW(O, this, getMachineDebugInfo())
{
CommentString = ";";
GlobalPrefix = "_";
PrivateGlobalPrefix = "L"; // Marker for constant pool idxs
@@ -397,12 +418,8 @@ bool DarwinAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
SetupMachineFunction(MF);
O << "\n\n";
// Print out dwarf file info
MachineDebugInfo &DebugInfo = MF.getDebugInfo();
std::vector<std::string> Sources = DebugInfo.getSourceFiles();
for (unsigned i = 0, N = Sources.size(); i < N; i++) {
O << "\t; .file\t" << (i + 1) << "," << "\"" << Sources[i] << "\"" << "\n";
}
// Emit pre-function debug information.
DW.BeginFunction();
// Print out constants referenced by the function
EmitConstantPool(MF.getConstantPool());
@@ -449,6 +466,9 @@ bool DarwinAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
}
}
// Emit post-function debug information.
DW.EndFunction();
// We didn't modify anything.
return false;
}
@@ -461,6 +481,9 @@ bool DarwinAsmPrinter::doInitialization(Module &M) {
// Darwin wants symbols to be quoted if they have complex names.
Mang->setUseQuotes(true);
// Emit initial debug information.
DW.BeginModule();
return false;
}
@@ -583,6 +606,9 @@ bool DarwinAsmPrinter::doFinalization(Module &M) {
// code that does this, it is always safe to set.
O << "\t.subsections_via_symbols\n";
// Emit initial debug information.
DW.EndModule();
AsmPrinter::doFinalization(M);
return false; // success
}
@@ -592,7 +618,7 @@ bool DarwinAsmPrinter::doFinalization(Module &M) {
///
bool AIXAsmPrinter::runOnMachineFunction(MachineFunction &MF) {
SetupMachineFunction(MF);
// Print out constants referenced by the function
EmitConstantPool(MF.getConstantPool());