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teach MCAsmStreamer::EmitBytes to use .ascii and .asciz
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94259 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -101,7 +101,7 @@ namespace llvm {
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/// Emit - Print the abbreviation using the specified asm printer.
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///
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void Emit(const DwarfPrinter *Asm) const;
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void Emit(const DwarfPrinter *DP) const;
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#ifndef NDEBUG
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void print(raw_ostream &O);
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@ -271,13 +271,57 @@ void MCAsmStreamer::EmitZerofill(const MCSection *Section, MCSymbol *Symbol,
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EmitEOL();
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}
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static inline char toOctal(int X) { return (X&7)+'0'; }
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void MCAsmStreamer::EmitBytes(StringRef Data, unsigned AddrSpace) {
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assert(CurSection && "Cannot emit contents before setting section!");
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const char *Directive = MAI.getData8bitsDirective(AddrSpace);
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for (unsigned i = 0, e = Data.size(); i != e; ++i) {
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OS << Directive << (unsigned)(unsigned char)Data[i];
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if (Data.empty()) return;
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if (Data.size() == 1) {
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OS << MAI.getData8bitsDirective(AddrSpace);
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OS << (unsigned)(unsigned char)Data[0];
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EmitEOL();
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return;
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}
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// If the data ends with 0 and the target supports .asciz, use it, otherwise
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// use .ascii
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if (MAI.getAscizDirective() && Data.back() == 0) {
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OS << MAI.getAscizDirective();
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Data = Data.substr(0, Data.size()-1);
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} else {
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OS << MAI.getAsciiDirective();
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}
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OS << " \"";
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for (unsigned i = 0, e = Data.size(); i != e; ++i) {
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unsigned char C = Data[i];
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if (C == '"' || C == '\\') {
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OS << '\\' << (char)C;
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continue;
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}
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if (isprint((unsigned char)C)) {
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OS << (char)C;
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continue;
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}
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switch (C) {
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case '\b': OS << "\\b"; break;
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case '\f': OS << "\\f"; break;
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case '\n': OS << "\\n"; break;
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case '\r': OS << "\\r"; break;
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case '\t': OS << "\\t"; break;
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default:
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OS << '\\';
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OS << toOctal(C >> 6);
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OS << toOctal(C >> 3);
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OS << toOctal(C >> 0);
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break;
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}
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}
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OS << '"';
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EmitEOL();
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}
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/// EmitIntValue - Special case of EmitValue that avoids the client having
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@ -23,27 +23,12 @@ TEST3:
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.asciz "B", "C"
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# CHECK: TEST4:
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# CHECK: .byte 1
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# CHECK: .byte 1
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# CHECK: .byte 7
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# CHECK: .byte 0
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# CHECK: .byte 56
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# CHECK: .byte 1
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# CHECK: .byte 0
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# CHECK: .byte 49
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# CHECK: .byte 128
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# CHECK: .byte 0
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# CHECK: .asciz "\001\001\007\0008\001\0001\200"
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TEST4:
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.ascii "\1\01\07\08\001\0001\200\0"
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# CHECK: TEST5:
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# CHECK: .byte 8
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# CHECK: .byte 12
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# CHECK: .byte 10
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# CHECK: .byte 13
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# CHECK: .byte 9
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# CHECK: .byte 92
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# CHECK: .byte 34
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# CHECK: .ascii "\b\f\n\r\t\\\""
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TEST5:
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.ascii "\b\f\n\r\t\\\""
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