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merge the common darwin settings from the X86/PPC/ARM targets

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into DarwinTargetAsmInfo.cpp.  The remaining differences should
be evaluated.  It seems strange that x86/arm has .zerofill but ppc
doesn't, etc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73742 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-06-19 00:08:39 +00:00
parent f4a481505e
commit 4e0f25b603
8 changed files with 59 additions and 139 deletions
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2
include/llvm/Target/DarwinTargetAsmInfo.h
View File

@ -23,7 +23,7 @@ namespace llvm {
class Type;
class Mangler;
struct DarwinTargetAsmInfo: public TargetAsmInfo {
struct DarwinTargetAsmInfo : public TargetAsmInfo {
const Section* TextCoalSection;
const Section* ConstTextCoalSection;
const Section* ConstDataCoalSection;

4
include/llvm/Target/TargetAsmInfo.h
View File

@ -130,7 +130,6 @@ namespace llvm {
private:
mutable StringMap<Section> Sections;
mutable SectionFlags::FlagsStringsMapType FlagsStrings;
void fillDefaultValues();
protected:
/// TM - The current TargetMachine.
const TargetMachine &TM;
@ -312,8 +311,7 @@ namespace llvm {
/// directives for various sizes and non-default address spaces.
virtual const char *getASDirective(unsigned size,
unsigned AS) const {
assert (AS > 0
&& "Dont know the directives for default addr space");
assert(AS > 0 && "Dont know the directives for default addr space");
return NULL;
}

41
lib/Target/ARM/ARMTargetAsmInfo.cpp
View File

@ -47,52 +47,11 @@ ARMDarwinTargetAsmInfo::ARMDarwinTargetAsmInfo(const ARMTargetMachine &TM):
ARMTargetAsmInfo<DarwinTargetAsmInfo>(TM) {
Subtarget = &TM.getSubtarget<ARMSubtarget>();
GlobalPrefix = "_";
PrivateGlobalPrefix = "L";
LessPrivateGlobalPrefix = "l";
StringConstantPrefix = "\1LC";
BSSSection = 0; // no BSS section
ZeroDirective = "\t.space\t";
ZeroFillDirective = "\t.zerofill\t"; // Uses .zerofill
SetDirective = "\t.set\t";
WeakRefDirective = "\t.weak_reference\t";
WeakDefDirective = "\t.weak_definition ";
HiddenDirective = "\t.private_extern\t";
ProtectedDirective = NULL;
JumpTableDataSection = ".const";
CStringSection = "\t.cstring";
HasDotTypeDotSizeDirective = false;
HasSingleParameterDotFile = false;
NeedsIndirectEncoding = true;
AllowQuotesInName = true;
if (TM.getRelocationModel() == Reloc::Static) {
StaticCtorsSection = ".constructor";
StaticDtorsSection = ".destructor";
} else {
StaticCtorsSection = ".mod_init_func";
StaticDtorsSection = ".mod_term_func";
}
// In non-PIC modes, emit a special label before jump tables so that the
// linker can perform more accurate dead code stripping.
// Emit a local label that is preserved until the linker runs.
// We do not check the relocation model here since it can be overridden
// later.
JumpTableSpecialLabelPrefix = "l";
NeedsSet = true;
DwarfAbbrevSection = ".section __DWARF,__debug_abbrev,regular,debug";
DwarfInfoSection = ".section __DWARF,__debug_info,regular,debug";
DwarfLineSection = ".section __DWARF,__debug_line,regular,debug";
DwarfFrameSection = ".section __DWARF,__debug_frame,regular,debug";
DwarfPubNamesSection = ".section __DWARF,__debug_pubnames,regular,debug";
DwarfPubTypesSection = ".section __DWARF,__debug_pubtypes,regular,debug";
DwarfStrSection = ".section __DWARF,__debug_str,regular,debug";
DwarfLocSection = ".section __DWARF,__debug_loc,regular,debug";
DwarfARangesSection = ".section __DWARF,__debug_aranges,regular,debug";
DwarfRangesSection = ".section __DWARF,__debug_ranges,regular,debug";
DwarfMacroInfoSection = ".section __DWARF,__debug_macinfo,regular,debug";
}
ARMELFTargetAsmInfo::ARMELFTargetAsmInfo(const ARMTargetMachine &TM):

3
lib/Target/ARM/ARMTargetAsmInfo.h
View File

@ -26,8 +26,7 @@ namespace llvm {
template <class BaseTAI>
struct ARMTargetAsmInfo : public BaseTAI {
explicit ARMTargetAsmInfo(const ARMTargetMachine &TM):
BaseTAI(TM) {
explicit ARMTargetAsmInfo(const ARMTargetMachine &TM) : BaseTAI(TM) {
BaseTAI::AsmTransCBE = arm_asm_table;
BaseTAI::AlignmentIsInBytes = false;

47
lib/Target/DarwinTargetAsmInfo.cpp
View File

@ -50,6 +50,53 @@ DarwinTargetAsmInfo::DarwinTargetAsmInfo(const TargetMachine &TM)
ConstDataSection = getUnnamedSection(".const_data", SectionFlags::None);
DataCoalSection = getNamedSection("\t__DATA,__datacoal_nt,coalesced",
SectionFlags::Writeable);
// Common settings for all Darwin targets.
// Syntax:
GlobalPrefix = "_";
PrivateGlobalPrefix = "L";
LessPrivateGlobalPrefix = "l"; // Marker for some ObjC metadata
StringConstantPrefix = "\1LC";
NeedsSet = true;
NeedsIndirectEncoding = true;
AllowQuotesInName = true;
HasSingleParameterDotFile = false;
// In non-PIC modes, emit a special label before jump tables so that the
// linker can perform more accurate dead code stripping. We do not check the
// relocation model here since it can be overridden later.
JumpTableSpecialLabelPrefix = "l";
// Directives:
WeakDefDirective = "\t.weak_definition ";
WeakRefDirective = "\t.weak_reference ";
HiddenDirective = "\t.private_extern ";
// Sections:
CStringSection = "\t.cstring";
JumpTableDataSection = "\t.const\n";
BSSSection = 0;
if (TM.getRelocationModel() == Reloc::Static) {
StaticCtorsSection = ".constructor";
StaticDtorsSection = ".destructor";
} else {
StaticCtorsSection = ".mod_init_func";
StaticDtorsSection = ".mod_term_func";
}
DwarfAbbrevSection = ".section __DWARF,__debug_abbrev,regular,debug";
DwarfInfoSection = ".section __DWARF,__debug_info,regular,debug";
DwarfLineSection = ".section __DWARF,__debug_line,regular,debug";
DwarfFrameSection = ".section __DWARF,__debug_frame,regular,debug";
DwarfPubNamesSection = ".section __DWARF,__debug_pubnames,regular,debug";
DwarfPubTypesSection = ".section __DWARF,__debug_pubtypes,regular,debug";
DwarfStrSection = ".section __DWARF,__debug_str,regular,debug";
DwarfLocSection = ".section __DWARF,__debug_loc,regular,debug";
DwarfARangesSection = ".section __DWARF,__debug_aranges,regular,debug";
DwarfRangesSection = ".section __DWARF,__debug_ranges,regular,debug";
DwarfMacroInfoSection = ".section __DWARF,__debug_macinfo,regular,debug";
}
/// emitUsedDirectiveFor - On Darwin, internally linked data beginning with

44
lib/Target/PowerPC/PPCTargetAsmInfo.cpp
View File

@ -19,59 +19,19 @@
using namespace llvm;
using namespace llvm::dwarf;
PPCDarwinTargetAsmInfo::PPCDarwinTargetAsmInfo(const PPCTargetMachine &TM):
PPCDarwinTargetAsmInfo::PPCDarwinTargetAsmInfo(const PPCTargetMachine &TM) :
PPCTargetAsmInfo<DarwinTargetAsmInfo>(TM) {
PCSymbol = ".";
CommentString = ";";
GlobalPrefix = "_";
PrivateGlobalPrefix = "L";
LessPrivateGlobalPrefix = "l";
StringConstantPrefix = "\1LC";
ConstantPoolSection = "\t.const\t";
JumpTableDataSection = ".const";
CStringSection = "\t.cstring";
if (TM.getRelocationModel() == Reloc::Static) {
StaticCtorsSection = ".constructor";
StaticDtorsSection = ".destructor";
} else {
StaticCtorsSection = ".mod_init_func";
StaticDtorsSection = ".mod_term_func";
}
HasSingleParameterDotFile = false;
SwitchToSectionDirective = "\t.section ";
UsedDirective = "\t.no_dead_strip\t";
WeakDefDirective = "\t.weak_definition ";
WeakRefDirective = "\t.weak_reference ";
HiddenDirective = "\t.private_extern ";
SupportsExceptionHandling = true;
NeedsIndirectEncoding = true;
AllowQuotesInName = true;
NeedsSet = true;
BSSSection = 0;
DwarfEHFrameSection =
".section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support";
".section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support";
DwarfExceptionSection = ".section __DATA,__gcc_except_tab";
GlobalEHDirective = "\t.globl\t";
SupportsWeakOmittedEHFrame = false;
DwarfAbbrevSection = ".section __DWARF,__debug_abbrev,regular,debug";
DwarfInfoSection = ".section __DWARF,__debug_info,regular,debug";
DwarfLineSection = ".section __DWARF,__debug_line,regular,debug";
DwarfFrameSection = ".section __DWARF,__debug_frame,regular,debug";
DwarfPubNamesSection = ".section __DWARF,__debug_pubnames,regular,debug";
DwarfPubTypesSection = ".section __DWARF,__debug_pubtypes,regular,debug";
DwarfStrSection = ".section __DWARF,__debug_str,regular,debug";
DwarfLocSection = ".section __DWARF,__debug_loc,regular,debug";
DwarfARangesSection = ".section __DWARF,__debug_aranges,regular,debug";
DwarfRangesSection = ".section __DWARF,__debug_ranges,regular,debug";
DwarfMacroInfoSection = ".section __DWARF,__debug_macinfo,regular,debug";
// In non-PIC modes, emit a special label before jump tables so that the
// linker can perform more accurate dead code stripping.
// We do not check the relocation model here since it can be overridden
// later.
JumpTableSpecialLabelPrefix = "l";
}
/// PreferredEHDataFormat - This hook allows the target to select data

9
lib/Target/TargetAsmInfo.cpp
View File

@ -24,10 +24,10 @@
#include "llvm/Support/Dwarf.h"
#include <cctype>
#include <cstring>
using namespace llvm;
void TargetAsmInfo::fillDefaultValues() {
TargetAsmInfo::TargetAsmInfo(const TargetMachine &tm)
: TM(tm) {
BSSSection = "\t.bss";
BSSSection_ = 0;
ReadOnlySection = 0;
@ -126,11 +126,6 @@ void TargetAsmInfo::fillDefaultValues() {
DataSection = getUnnamedSection("\t.data", SectionFlags::Writeable);
}
TargetAsmInfo::TargetAsmInfo(const TargetMachine &tm)
: TM(tm) {
fillDefaultValues();
}
TargetAsmInfo::~TargetAsmInfo() {
}

48
lib/Target/X86/X86TargetAsmInfo.cpp
View File

@ -44,40 +44,25 @@ X86DarwinTargetAsmInfo::X86DarwinTargetAsmInfo(const X86TargetMachine &TM):
AlignmentIsInBytes = false;
TextAlignFillValue = 0x90;
GlobalPrefix = "_";
if (!is64Bit)
Data64bitsDirective = 0; // we can't emit a 64-bit unit
ZeroDirective = "\t.space\t"; // ".space N" emits N zeros.
PrivateGlobalPrefix = "L"; // Marker for constant pool idxs
LessPrivateGlobalPrefix = "l"; // Marker for some ObjC metadata
BSSSection = 0; // no BSS section.
ZeroFillDirective = "\t.zerofill\t"; // Uses .zerofill
if (TM.getRelocationModel() != Reloc::Static)
ConstantPoolSection = "\t.const_data";
else
ConstantPoolSection = "\t.const\n";
JumpTableDataSection = "\t.const\n";
CStringSection = "\t.cstring";
// FIXME: Why don't always use this section?
if (is64Bit) {
// FIXME: Why don't we always use this section?
if (is64Bit)
SixteenByteConstantSection = getUnnamedSection("\t.literal16\n",
SectionFlags::Mergeable);
}
LCOMMDirective = "\t.lcomm\t";
SwitchToSectionDirective = "\t.section ";
StringConstantPrefix = "\1LC";
// Leopard and above support aligned common symbols.
COMMDirectiveTakesAlignment = (Subtarget->getDarwinVers() >= 9);
HasDotTypeDotSizeDirective = false;
HasSingleParameterDotFile = false;
NonLocalEHFrameLabel = true;
if (TM.getRelocationModel() == Reloc::Static) {
StaticCtorsSection = ".constructor";
StaticDtorsSection = ".destructor";
} else {
StaticCtorsSection = ".mod_init_func";
StaticDtorsSection = ".mod_term_func";
}
if (is64Bit) {
PersonalityPrefix = "";
PersonalitySuffix = "+4@GOTPCREL";
@ -85,41 +70,18 @@ X86DarwinTargetAsmInfo::X86DarwinTargetAsmInfo(const X86TargetMachine &TM):
PersonalityPrefix = "L";
PersonalitySuffix = "$non_lazy_ptr";
}
NeedsIndirectEncoding = true;
AllowQuotesInName = true;
InlineAsmStart = "## InlineAsm Start";
InlineAsmEnd = "## InlineAsm End";
CommentString = "##";
SetDirective = "\t.set";
PCSymbol = ".";
UsedDirective = "\t.no_dead_strip\t";
WeakDefDirective = "\t.weak_definition ";
WeakRefDirective = "\t.weak_reference ";
HiddenDirective = "\t.private_extern ";
ProtectedDirective = "\t.globl\t";
// In non-PIC modes, emit a special label before jump tables so that the
// linker can perform more accurate dead code stripping.
// Emit a local label that is preserved until the linker runs.
// We do not check the relocation model here since it can be overridden
// later.
JumpTableSpecialLabelPrefix = "l";
SupportsDebugInformation = true;
NeedsSet = true;
DwarfAbbrevSection = ".section __DWARF,__debug_abbrev,regular,debug";
DwarfInfoSection = ".section __DWARF,__debug_info,regular,debug";
DwarfLineSection = ".section __DWARF,__debug_line,regular,debug";
DwarfFrameSection = ".section __DWARF,__debug_frame,regular,debug";
DwarfPubNamesSection = ".section __DWARF,__debug_pubnames,regular,debug";
DwarfPubTypesSection = ".section __DWARF,__debug_pubtypes,regular,debug";
DwarfDebugInlineSection = ".section __DWARF,__debug_inlined,regular,debug";
DwarfUsesInlineInfoSection = true;
DwarfStrSection = ".section __DWARF,__debug_str,regular,debug";
DwarfLocSection = ".section __DWARF,__debug_loc,regular,debug";
DwarfARangesSection = ".section __DWARF,__debug_aranges,regular,debug";
DwarfRangesSection = ".section __DWARF,__debug_ranges,regular,debug";
DwarfMacroInfoSection = ".section __DWARF,__debug_macinfo,regular,debug";
// Exceptions handling
SupportsExceptionHandling = true;