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reverts 195057 per request 

llvm-svn: 195152
This commit is contained in:
Jack Carter 2013-11-19 20:53:28 +00:00
parent ef6909df4c
commit 6ef6cc5c40
9 changed files with 83 additions and 28 deletions
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36
llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
View File

@ -193,6 +193,8 @@ class MipsAsmParser : public MCTargetAsmParser {
bool isEvaluated(const MCExpr *Expr);
bool parseDirectiveSet();
bool parseDirectiveMipsHackStocg();
bool parseDirectiveMipsHackELFFlags();
bool parseSetAtDirective();
bool parseSetNoAtDirective();
@ -2368,6 +2370,34 @@ bool MipsAsmParser::parseDirectiveSet() {
return true;
}
bool MipsAsmParser::parseDirectiveMipsHackStocg() {
MCAsmParser &Parser = getParser();
StringRef Name;
if (Parser.parseIdentifier(Name))
reportParseError("expected identifier");
MCSymbol *Sym = getContext().GetOrCreateSymbol(Name);
if (getLexer().isNot(AsmToken::Comma))
return TokError("unexpected token");
Lex();
int64_t Flags = 0;
if (Parser.parseAbsoluteExpression(Flags))
return TokError("unexpected token");
getTargetStreamer().emitMipsHackSTOCG(Sym, Flags);
return false;
}
bool MipsAsmParser::parseDirectiveMipsHackELFFlags() {
int64_t Flags = 0;
if (Parser.parseAbsoluteExpression(Flags))
return TokError("unexpected token");
getTargetStreamer().emitMipsHackELFFlags(Flags);
return false;
}
/// parseDirectiveWord
/// ::= .word [ expression (, expression)* ]
bool MipsAsmParser::parseDirectiveWord(unsigned Size, SMLoc L) {
@ -2458,6 +2488,12 @@ bool MipsAsmParser::ParseDirective(AsmToken DirectiveID) {
return false;
}
if (IDVal == ".mips_hack_stocg")
return parseDirectiveMipsHackStocg();
if (IDVal == ".mips_hack_elf_flags")
return parseDirectiveMipsHackELFFlags();
return true;
}

2
llvm/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp
View File

@ -141,7 +141,7 @@ createMCAsmStreamer(MCContext &Ctx, formatted_raw_ostream &OS,
bool isVerboseAsm, bool useLoc, bool useCFI,
bool useDwarfDirectory, MCInstPrinter *InstPrint,
MCCodeEmitter *CE, MCAsmBackend *TAB, bool ShowInst) {
MipsTargetAsmStreamer *S = new MipsTargetAsmStreamer();
MipsTargetAsmStreamer *S = new MipsTargetAsmStreamer(OS);
return llvm::createAsmStreamer(Ctx, S, OS, isVerboseAsm, useLoc, useCFI,
useDwarfDirectory, InstPrint, CE, TAB,

28
llvm/lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp
View File

@ -20,11 +20,33 @@
using namespace llvm;
static cl::opt<bool> PrintHackDirectives("print-hack-directives",
cl::init(false), cl::Hidden);
// pin vtable to this file
void MipsTargetStreamer::anchor() {}
void MipsTargetAsmStreamer::emitMipsHackELFFlags(unsigned Flags) { return; }
void MipsTargetAsmStreamer::emitSymSTO(MCSymbol *Sym, unsigned Val) { return; }
MipsTargetAsmStreamer::MipsTargetAsmStreamer(formatted_raw_ostream &OS)
: OS(OS) {}
void MipsTargetAsmStreamer::emitMipsHackELFFlags(unsigned Flags) {
if (!PrintHackDirectives)
return;
OS << "\t.mips_hack_elf_flags 0x";
OS.write_hex(Flags);
OS << '\n';
}
void MipsTargetAsmStreamer::emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val) {
if (!PrintHackDirectives)
return;
OS << "\t.mips_hack_stocg ";
OS << Sym->getName();
OS << ", ";
OS << Val;
OS << '\n';
}
MCELFStreamer &MipsTargetELFStreamer::getStreamer() {
return static_cast<MCELFStreamer &>(*Streamer);
@ -36,7 +58,7 @@ void MipsTargetELFStreamer::emitMipsHackELFFlags(unsigned Flags) {
}
// Set a symbol's STO flags
void MipsTargetELFStreamer::emitSymSTO(MCSymbol *Sym, unsigned Val) {
void MipsTargetELFStreamer::emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val) {
MCSymbolData &Data = getStreamer().getOrCreateSymbolData(Sym);
// The "other" values are stored in the last 6 bits of the second byte
// The traditional defines for STO values assume the full byte and thus

4
llvm/lib/Target/Mips/MipsAsmPrinter.cpp
View File

@ -276,8 +276,8 @@ void MipsAsmPrinter::EmitFunctionEntryLabel() {
}
if (Subtarget->inMicroMipsMode())
getTargetStreamer().emitSymSTO(CurrentFnSym,
(unsigned)ELF::STO_MIPS_MICROMIPS);
getTargetStreamer().emitMipsHackSTOCG(CurrentFnSym,
(unsigned)ELF::STO_MIPS_MICROMIPS);
OutStreamer.EmitLabel(CurrentFnSym);
}

9
llvm/lib/Target/Mips/MipsTargetStreamer.h
View File

@ -19,14 +19,17 @@ class MipsTargetStreamer : public MCTargetStreamer {
public:
virtual void emitMipsHackELFFlags(unsigned Flags) = 0;
virtual void emitSymSTO(MCSymbol *Sym, unsigned Val) = 0;
virtual void emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val) = 0;
};
// This part is for ascii assembly output
class MipsTargetAsmStreamer : public MipsTargetStreamer {
formatted_raw_ostream &OS;
public:
MipsTargetAsmStreamer(formatted_raw_ostream &OS);
virtual void emitMipsHackELFFlags(unsigned Flags);
virtual void emitSymSTO(MCSymbol *Sym, unsigned Val);
virtual void emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val);
};
// This part is for ELF object output
@ -34,7 +37,7 @@ class MipsTargetELFStreamer : public MipsTargetStreamer {
public:
MCELFStreamer &getStreamer();
virtual void emitMipsHackELFFlags(unsigned Flags);
virtual void emitSymSTO(MCSymbol *Sym, unsigned Val);
virtual void emitMipsHackSTOCG(MCSymbol *Sym, unsigned Val);
};
}

24
llvm/test/MC/Mips/elf_eflags.ll
View File

@ -1,5 +1,3 @@
; XFAIL: *
; This tests ELF EFLAGS setting with direct object.
; When the assembler is ready a .s file for it will
; be created.
@ -18,19 +16,19 @@
; Note that EF_MIPS_CPIC is set by -mabicalls which is the default on Linux
; TODO need to support -mno-abicalls
; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32 -relocation-model=static %s -o - | FileCheck -check-prefix=CHECK-BE32 %s
; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32 %s -o - | FileCheck -check-prefix=CHECK-BE32_PIC %s
; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32r2 -relocation-model=static %s -o - | FileCheck -check-prefix=CHECK-BE32R2 %s
; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32r2 %s -o - | FileCheck -check-prefix=CHECK-BE32R2_PIC %s
; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32r2 -mattr=+micromips -relocation-model=static %s -o - | FileCheck -check-prefix=CHECK-BE32R2-MICROMIPS %s
; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32r2 -mattr=+micromips %s -o - | FileCheck -check-prefix=CHECK-BE32R2-MICROMIPS_PIC %s
; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32 -relocation-model=static %s -print-hack-directives -o - | FileCheck -check-prefix=CHECK-BE32 %s
; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32 -print-hack-directives %s -o - | FileCheck -check-prefix=CHECK-BE32_PIC %s
; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32r2 -relocation-model=static %s -print-hack-directives -o - | FileCheck -check-prefix=CHECK-BE32R2 %s
; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32r2 -print-hack-directives %s -o - | FileCheck -check-prefix=CHECK-BE32R2_PIC %s
; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32r2 -mattr=+micromips -relocation-model=static -print-hack-directives %s -o - | FileCheck -check-prefix=CHECK-BE32R2-MICROMIPS %s
; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32r2 -mattr=+micromips -print-hack-directives %s -o - | FileCheck -check-prefix=CHECK-BE32R2-MICROMIPS_PIC %s
; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips64 -relocation-model=static %s -o - | FileCheck -check-prefix=CHECK-BE64 %s
; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips64 %s -o - | FileCheck -check-prefix=CHECK-BE64_PIC %s
; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips64r2 -relocation-model=static %s -o - | FileCheck -check-prefix=CHECK-BE64R2 %s
; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips64r2 %s -o - | FileCheck -check-prefix=CHECK-BE64R2_PIC %s
; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips64 -relocation-model=static %s -print-hack-directives -o - | FileCheck -check-prefix=CHECK-BE64 %s
; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips64 %s -print-hack-directives -o - | FileCheck -check-prefix=CHECK-BE64_PIC %s
; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips64r2 -relocation-model=static -print-hack-directives %s -o - | FileCheck -check-prefix=CHECK-BE64R2 %s
; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips64r2 -print-hack-directives %s -o - | FileCheck -check-prefix=CHECK-BE64R2_PIC %s
; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32r2 -mattr=+mips16 -relocation-model=pic %s -o - | FileCheck -check-prefix=CHECK-LE32R2-MIPS16 %s
; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32r2 -mattr=+mips16 -relocation-model=pic -print-hack-directives %s -o - | FileCheck -check-prefix=CHECK-LE32R2-MIPS16 %s
; 32(R1) bit with NO_REORDER and static
; CHECK-BE32: .mips_hack_elf_flags 0x50001005

2
llvm/test/MC/Mips/elf_eflags.s
View File

@ -1,5 +1,5 @@
; XFAIL: *
// RUN: llvm-mc -filetype=obj -triple mipsel-unknown-linux %s -o -| llvm-readobj -h | FileCheck %s
.mips_hack_elf_flags 0x50001005
// CHECK: Flags [ (0x50001005)

4
llvm/test/MC/Mips/elf_st_other.ll
View File

@ -1,9 +1,7 @@
; XFAIL: *
; This tests value of ELF st_other field for function symbol table entries.
; For microMIPS value should be equal to STO_MIPS_MICROMIPS.
; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32r2 -mattr=+micromips %s -o - | FileCheck %s
; RUN: llc -mtriple mipsel-unknown-linux -mcpu=mips32r2 -mattr=+micromips -print-hack-directives %s -o - | FileCheck %s
define i32 @main() nounwind {
entry:

2
llvm/test/MC/Mips/elf_st_other.s
View File

@ -1,5 +1,3 @@
; XFAIL: *
// RUN: llvm-mc -filetype=obj -triple mipsel-unknown-linux %s -o -| llvm-readobj -t | FileCheck %s
.text