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Separate target specific asm properties from the asm printers.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30126 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Laskey
2006-09-06 18:34:40 +00:00
parent b52b54d4af
commit 563321a258
17 changed files with 382 additions and 613 deletions
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144
lib/CodeGen/DwarfWriter.cpp
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@ -23,6 +23,7 @@
#include "llvm/Support/Dwarf.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Mangler.h"
#include "llvm/Target/TargetAsmInfo.h"
#include "llvm/Target/MRegisterInfo.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetMachine.h"
@ -674,7 +675,7 @@ void DIEDwarfLabel::EmitValue(const DwarfWriter &DW, unsigned Form) const {
/// SizeOf - Determine size of label value in bytes.
///
unsigned DIEDwarfLabel::SizeOf(const DwarfWriter &DW, unsigned Form) const {
return DW.getAddressSize();
return DW.getTargetAsmInfo()->getAddressSize();
}
//===----------------------------------------------------------------------===//
@ -688,7 +689,7 @@ void DIEObjectLabel::EmitValue(const DwarfWriter &DW, unsigned Form) const {
/// SizeOf - Determine size of label value in bytes.
///
unsigned DIEObjectLabel::SizeOf(const DwarfWriter &DW, unsigned Form) const {
return DW.getAddressSize();
return DW.getTargetAsmInfo()->getAddressSize();
}
//===----------------------------------------------------------------------===//
@ -702,7 +703,7 @@ void DIEDelta::EmitValue(const DwarfWriter &DW, unsigned Form) const {
/// SizeOf - Determine size of delta value in bytes.
///
unsigned DIEDelta::SizeOf(const DwarfWriter &DW, unsigned Form) const {
return DW.getAddressSize();
return DW.getTargetAsmInfo()->getAddressSize();
}
//===----------------------------------------------------------------------===//
@ -957,7 +958,7 @@ void DwarfWriter::PrintHex(int Value) const {
void DwarfWriter::EOL(const std::string &Comment) const {
if (DwarfVerbose && !Comment.empty()) {
O << "\t"
<< Asm->CommentString
<< TAI->getCommentString()
<< " "
<< Comment;
}
@ -967,17 +968,17 @@ void DwarfWriter::EOL(const std::string &Comment) const {
/// EmitAlign - Print a align directive.
///
void DwarfWriter::EmitAlign(unsigned Alignment) const {
O << Asm->AlignDirective << Alignment << "\n";
O << TAI->getAlignDirective() << Alignment << "\n";
}
/// EmitULEB128Bytes - Emit an assembler byte data directive to compose an
/// unsigned leb128 value.
void DwarfWriter::EmitULEB128Bytes(unsigned Value) const {
if (hasLEB128) {
if (TAI->hasLEB128()) {
O << "\t.uleb128\t"
<< Value;
} else {
O << Asm->Data8bitsDirective;
O << TAI->getData8bitsDirective();
PrintULEB128(Value);
}
}
@ -985,11 +986,11 @@ void DwarfWriter::EmitULEB128Bytes(unsigned Value) const {
/// EmitSLEB128Bytes - Emit an assembler byte data directive to compose a
/// signed leb128 value.
void DwarfWriter::EmitSLEB128Bytes(int Value) const {
if (hasLEB128) {
if (TAI->hasLEB128()) {
O << "\t.sleb128\t"
<< Value;
} else {
O << Asm->Data8bitsDirective;
O << TAI->getData8bitsDirective();
PrintSLEB128(Value);
}
}
@ -1052,29 +1053,29 @@ unsigned DwarfWriter::SizeSLEB128(int Value) {
/// EmitInt8 - Emit a byte directive and value.
///
void DwarfWriter::EmitInt8(int Value) const {
O << Asm->Data8bitsDirective;
O << TAI->getData8bitsDirective();
PrintHex(Value & 0xFF);
}
/// EmitInt16 - Emit a short directive and value.
///
void DwarfWriter::EmitInt16(int Value) const {
O << Asm->Data16bitsDirective;
O << TAI->getData16bitsDirective();
PrintHex(Value & 0xFFFF);
}
/// EmitInt32 - Emit a long directive and value.
///
void DwarfWriter::EmitInt32(int Value) const {
O << Asm->Data32bitsDirective;
O << TAI->getData32bitsDirective();
PrintHex(Value);
}
/// EmitInt64 - Emit a long long directive and value.
///
void DwarfWriter::EmitInt64(uint64_t Value) const {
if (Asm->Data64bitsDirective) {
O << Asm->Data64bitsDirective << "0x" << std::hex << Value << std::dec;
if (TAI->getData64bitsDirective()) {
O << TAI->getData64bitsDirective() << "0x" << std::hex << Value << std::dec;
} else {
if (TD->isBigEndian()) {
EmitInt32(unsigned(Value >> 32)); O << "\n";
@ -1089,7 +1090,7 @@ void DwarfWriter::EmitInt64(uint64_t Value) const {
/// EmitString - Emit a string with quotes and a null terminator.
/// Special characters are emitted properly. (Eg. '\t')
void DwarfWriter::EmitString(const std::string &String) const {
O << Asm->AsciiDirective
O << TAI->getAsciiDirective()
<< "\"";
for (unsigned i = 0, N = String.size(); i < N; ++i) {
unsigned char C = String[i];
@ -1122,7 +1123,7 @@ void DwarfWriter::EmitString(const std::string &String) const {
/// PrintLabelName - Print label name in form used by Dwarf writer.
///
void DwarfWriter::PrintLabelName(const char *Tag, unsigned Number) const {
O << Asm->PrivateGlobalPrefix
O << TAI->getPrivateGlobalPrefix()
<< "debug_"
<< Tag;
if (Number) O << Number;
@ -1138,18 +1139,18 @@ void DwarfWriter::EmitLabel(const char *Tag, unsigned Number) const {
/// EmitReference - Emit a reference to a label.
///
void DwarfWriter::EmitReference(const char *Tag, unsigned Number) const {
if (AddressSize == 4)
O << Asm->Data32bitsDirective;
if (TAI->getAddressSize() == 4)
O << TAI->getData32bitsDirective();
else
O << Asm->Data64bitsDirective;
O << TAI->getData64bitsDirective();
PrintLabelName(Tag, Number);
}
void DwarfWriter::EmitReference(const std::string &Name) const {
if (AddressSize == 4)
O << Asm->Data32bitsDirective;
if (TAI->getAddressSize() == 4)
O << TAI->getData32bitsDirective();
else
O << Asm->Data64bitsDirective;
O << TAI->getData64bitsDirective();
O << Name;
}
@ -1159,7 +1160,7 @@ void DwarfWriter::EmitReference(const std::string &Name) const {
/// is an option (needsSet) to use an intermediary 'set' expression.
void DwarfWriter::EmitDifference(const char *TagHi, unsigned NumberHi,
const char *TagLo, unsigned NumberLo) const {
if (needsSet) {
if (TAI->getNeedsSet()) {
static unsigned SetCounter = 0;
O << "\t.set\t";
@ -1170,19 +1171,19 @@ void DwarfWriter::EmitDifference(const char *TagHi, unsigned NumberHi,
PrintLabelName(TagLo, NumberLo);
O << "\n";
if (AddressSize == sizeof(int32_t))
O << Asm->Data32bitsDirective;
if (TAI->getAddressSize() == sizeof(int32_t))
O << TAI->getData32bitsDirective();
else
O << Asm->Data64bitsDirective;
O << TAI->getData64bitsDirective();
PrintLabelName("set", SetCounter);
++SetCounter;
} else {
if (AddressSize == sizeof(int32_t))
O << Asm->Data32bitsDirective;
if (TAI->getAddressSize() == sizeof(int32_t))
O << TAI->getData32bitsDirective();
else
O << Asm->Data64bitsDirective;
O << TAI->getData64bitsDirective();
PrintLabelName(TagHi, NumberHi);
O << "-";
@ -1782,33 +1783,33 @@ void DwarfWriter::EmitInitial() {
didInitial = true;
// Dwarf sections base addresses.
Asm->SwitchToDataSection(DwarfFrameSection, 0);
Asm->SwitchToDataSection(TAI->getDwarfFrameSection(), 0);
EmitLabel("section_frame", 0);
Asm->SwitchToDataSection(DwarfInfoSection, 0);
Asm->SwitchToDataSection(TAI->getDwarfInfoSection(), 0);
EmitLabel("section_info", 0);
EmitLabel("info", 0);
Asm->SwitchToDataSection(DwarfAbbrevSection, 0);
Asm->SwitchToDataSection(TAI->getDwarfAbbrevSection(), 0);
EmitLabel("section_abbrev", 0);
EmitLabel("abbrev", 0);
Asm->SwitchToDataSection(DwarfARangesSection, 0);
Asm->SwitchToDataSection(TAI->getDwarfARangesSection(), 0);
EmitLabel("section_aranges", 0);
Asm->SwitchToDataSection(DwarfMacInfoSection, 0);
Asm->SwitchToDataSection(TAI->getDwarfMacInfoSection(), 0);
EmitLabel("section_macinfo", 0);
Asm->SwitchToDataSection(DwarfLineSection, 0);
Asm->SwitchToDataSection(TAI->getDwarfLineSection(), 0);
EmitLabel("section_line", 0);
EmitLabel("line", 0);
Asm->SwitchToDataSection(DwarfLocSection, 0);
Asm->SwitchToDataSection(TAI->getDwarfLocSection(), 0);
EmitLabel("section_loc", 0);
Asm->SwitchToDataSection(DwarfPubNamesSection, 0);
Asm->SwitchToDataSection(TAI->getDwarfPubNamesSection(), 0);
EmitLabel("section_pubnames", 0);
Asm->SwitchToDataSection(DwarfStrSection, 0);
Asm->SwitchToDataSection(TAI->getDwarfStrSection(), 0);
EmitLabel("section_str", 0);
Asm->SwitchToDataSection(DwarfRangesSection, 0);
Asm->SwitchToDataSection(TAI->getDwarfRangesSection(), 0);
EmitLabel("section_ranges", 0);
Asm->SwitchToTextSection(TextSection, 0);
Asm->SwitchToTextSection(TAI->getTextSection(), 0);
EmitLabel("text_begin", 0);
Asm->SwitchToDataSection(DataSection, 0);
Asm->SwitchToDataSection(TAI->getDataSection(), 0);
EmitLabel("data_begin", 0);
// Emit common frame information.
@ -1958,7 +1959,7 @@ void DwarfWriter::EmitFrameMoves(const char *BaseLabel, unsigned BaseLabelID,
int stackGrowth =
Asm->TM.getFrameInfo()->getStackGrowthDirection() ==
TargetFrameInfo::StackGrowsUp ?
AddressSize : -AddressSize;
TAI->getAddressSize() : -TAI->getAddressSize();
// If advancing cfa.
if (Dst.isRegister() && Dst.getRegister() == MachineLocation::VirtualFP) {
@ -2013,7 +2014,7 @@ void DwarfWriter::EmitFrameMoves(const char *BaseLabel, unsigned BaseLabelID,
///
void DwarfWriter::EmitDebugInfo() const {
// Start debug info section.
Asm->SwitchToDataSection(DwarfInfoSection, 0);
Asm->SwitchToDataSection(TAI->getDwarfInfoSection(), 0);
// Process each compile unit.
for (unsigned i = 0, N = CompileUnits.size(); i < N; ++i) {
@ -2033,7 +2034,7 @@ void DwarfWriter::EmitDebugInfo() const {
EmitInt16(DWARF_VERSION); EOL("DWARF version number");
EmitDifference("abbrev_begin", 0, "section_abbrev", 0);
EOL("Offset Into Abbrev. Section");
EmitInt8(AddressSize); EOL("Address Size (in bytes)");
EmitInt8(TAI->getAddressSize()); EOL("Address Size (in bytes)");
EmitDIE(Die);
EmitLabel("info_end", Unit->getID());
@ -2049,7 +2050,7 @@ void DwarfWriter::EmitAbbreviations() const {
// Check to see if it is worth the effort.
if (!Abbreviations.empty()) {
// Start the debug abbrev section.
Asm->SwitchToDataSection(DwarfAbbrevSection, 0);
Asm->SwitchToDataSection(TAI->getDwarfAbbrevSection(), 0);
EmitLabel("abbrev_begin", 0);
@ -2083,7 +2084,7 @@ void DwarfWriter::EmitDebugLines() const {
const int MaxLineDelta = 255 + MinLineDelta;
// Start the dwarf line section.
Asm->SwitchToDataSection(DwarfLineSection, 0);
Asm->SwitchToDataSection(TAI->getDwarfLineSection(), 0);
// Construct the section header.
@ -2148,7 +2149,7 @@ void DwarfWriter::EmitDebugLines() const {
if (DwarfVerbose) {
O << "\t"
<< Asm->CommentString << " "
<< TAI->getCommentString() << " "
<< "Section "
<< SectionMap[j + 1].c_str() << "\n";
}
@ -2166,7 +2167,7 @@ void DwarfWriter::EmitDebugLines() const {
const SourceFileInfo &SourceFile = SourceFiles[SourceID];
unsigned DirectoryID = SourceFile.getDirectoryID();
O << "\t"
<< Asm->CommentString << " "
<< TAI->getCommentString() << " "
<< Directories[DirectoryID]
<< SourceFile.getName() << ":"
<< LineInfo->getLine() << "\n";
@ -2233,10 +2234,10 @@ void DwarfWriter::EmitInitialDebugFrame() {
int stackGrowth =
Asm->TM.getFrameInfo()->getStackGrowthDirection() ==
TargetFrameInfo::StackGrowsUp ?
AddressSize : -AddressSize;
TAI->getAddressSize() : -TAI->getAddressSize();
// Start the dwarf frame section.
Asm->SwitchToDataSection(DwarfFrameSection, 0);
Asm->SwitchToDataSection(TAI->getDwarfFrameSection(), 0);
EmitLabel("frame_common", 0);
EmitDifference("frame_common_end", 0,
@ -2266,7 +2267,7 @@ void DwarfWriter::EmitInitialDebugFrame() {
/// section.
void DwarfWriter::EmitFunctionDebugFrame() {
// Start the dwarf frame section.
Asm->SwitchToDataSection(DwarfFrameSection, 0);
Asm->SwitchToDataSection(TAI->getDwarfFrameSection(), 0);
EmitDifference("frame_end", SubprogramCount,
"frame_begin", SubprogramCount);
@ -2296,7 +2297,7 @@ void DwarfWriter::EmitFunctionDebugFrame() {
///
void DwarfWriter::EmitDebugPubNames() {
// Start the dwarf pubnames section.
Asm->SwitchToDataSection(DwarfPubNamesSection, 0);
Asm->SwitchToDataSection(TAI->getDwarfPubNamesSection(), 0);
// Process each compile unit.
for (unsigned i = 0, N = CompileUnits.size(); i < N; ++i) {
@ -2343,7 +2344,7 @@ void DwarfWriter::EmitDebugStr() {
// Check to see if it is worth the effort.
if (!StringPool.empty()) {
// Start the dwarf str section.
Asm->SwitchToDataSection(DwarfStrSection, 0);
Asm->SwitchToDataSection(TAI->getDwarfStrSection(), 0);
// For each of strings in the string pool.
for (unsigned StringID = 1, N = StringPool.size();
@ -2363,7 +2364,7 @@ void DwarfWriter::EmitDebugStr() {
///
void DwarfWriter::EmitDebugLoc() {
// Start the dwarf loc section.
Asm->SwitchToDataSection(DwarfLocSection, 0);
Asm->SwitchToDataSection(TAI->getDwarfLocSection(), 0);
O << "\n";
}
@ -2372,7 +2373,7 @@ void DwarfWriter::EmitDebugLoc() {
///
void DwarfWriter::EmitDebugARanges() {
// Start the dwarf aranges section.
Asm->SwitchToDataSection(DwarfARangesSection, 0);
Asm->SwitchToDataSection(TAI->getDwarfARangesSection(), 0);
// FIXME - Mock up
#if 0
@ -2389,7 +2390,7 @@ void DwarfWriter::EmitDebugARanges() {
EmitReference("info_begin", Unit->getID());
EOL("Offset of Compilation Unit Info");
EmitInt8(AddressSize); EOL("Size of Address");
EmitInt8(TAI->getAddressSize()); EOL("Size of Address");
EmitInt8(0); EOL("Size of Segment Descriptor");
@ -2413,7 +2414,7 @@ void DwarfWriter::EmitDebugARanges() {
///
void DwarfWriter::EmitDebugRanges() {
// Start the dwarf ranges section.
Asm->SwitchToDataSection(DwarfRangesSection, 0);
Asm->SwitchToDataSection(TAI->getDwarfRangesSection(), 0);
O << "\n";
}
@ -2422,7 +2423,7 @@ void DwarfWriter::EmitDebugRanges() {
///
void DwarfWriter::EmitDebugMacInfo() {
// Start the dwarf macinfo section.
Asm->SwitchToDataSection(DwarfMacInfoSection, 0);
Asm->SwitchToDataSection(TAI->getDwarfMacInfoSection(), 0);
O << "\n";
}
@ -2466,9 +2467,10 @@ void DwarfWriter::ConstructSubprogramDIEs() {
// Main entry points.
//
DwarfWriter::DwarfWriter(std::ostream &OS, AsmPrinter *A)
DwarfWriter::DwarfWriter(std::ostream &OS, AsmPrinter *A, TargetAsmInfo *T)
: O(OS)
, Asm(A)
, TAI(T)
, TD(Asm->TM.getTargetData())
, RI(Asm->TM.getRegisterInfo())
, M(NULL)
@ -2484,24 +2486,6 @@ DwarfWriter::DwarfWriter(std::ostream &OS, AsmPrinter *A)
, DescToDieMap()
, SectionMap()
, SectionSourceLines()
, AddressSize(sizeof(int32_t))
, hasLEB128(false)
, hasDotLoc(false)
, hasDotFile(false)
, needsSet(false)
, DwarfAbbrevSection(".debug_abbrev")
, DwarfInfoSection(".debug_info")
, DwarfLineSection(".debug_line")
, DwarfFrameSection(".debug_frame")
, DwarfPubNamesSection(".debug_pubnames")
, DwarfPubTypesSection(".debug_pubtypes")
, DwarfStrSection(".debug_str")
, DwarfLocSection(".debug_loc")
, DwarfARangesSection(".debug_aranges")
, DwarfRangesSection(".debug_ranges")
, DwarfMacInfoSection(".debug_macinfo")
, TextSection(".text")
, DataSection(".data")
{}
DwarfWriter::~DwarfWriter() {
for (unsigned i = 0, N = CompileUnits.size(); i < N; ++i) {
@ -2530,7 +2514,7 @@ void DwarfWriter::SetDebugInfo(MachineDebugInfo *DI) {
ConstructSubprogramDIEs();
// Prime section data.
SectionMap.insert(std::string("\t") + TextSection);
SectionMap.insert(std::string("\t") + TAI->getTextSection());
}
}
@ -2550,9 +2534,9 @@ void DwarfWriter::EndModule() {
EOL("Dwarf End Module");
// Standard sections final addresses.
Asm->SwitchToTextSection(TextSection, 0);
Asm->SwitchToTextSection(TAI->getTextSection(), 0);
EmitLabel("text_end", 0);
Asm->SwitchToDataSection(DataSection, 0);
Asm->SwitchToDataSection(TAI->getDataSection(), 0);
EmitLabel("data_end", 0);
// End text sections.