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Make the symbol prologue/epilogue stuff redundant with MappingInfo, in

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preparation for refactoring.
Rename the pass creator fn to mimic the other creator fn names.

llvm-svn: 8596
This commit is contained in:
Brian Gaeke 2003-09-18 17:37:14 +00:00
parent 9f7bb3c331
commit bbbb03f96a
1 changed files with 31 additions and 20 deletions
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51
lib/Target/Sparc/EmitBytecodeToAssembly.cpp
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@ -55,6 +55,28 @@ namespace {
}
};
static void writePrologue (std::ostream &Out, const std::string &comment,
const std::string &symName) {
// Prologue:
// Output a comment describing the object.
Out << "!" << comment << "\n";
// Switch the current section to .rodata in the assembly output:
Out << "\t.section \".rodata\"\n\t.align 8\n";
// Output a global symbol naming the object:
Out << "\t.global " << symName << "\n";
Out << "\t.type " << symName << ",#object\n";
Out << symName << ":\n";
}
static void writeEpilogue (std::ostream &Out, const std::string &symName) {
// Epilogue:
// Output a local symbol marking the end of the object:
Out << ".end_" << symName << ":\n";
// Output size directive giving the size of the object:
Out << "\t.size " << symName << ", .end_" << symName << "-" << symName
<< "\n";
}
// SparcBytecodeWriter - Write bytecode out to a stream that is sparc'ified
class SparcBytecodeWriter : public Pass {
std::ostream &Out;
@ -64,34 +86,23 @@ namespace {
const char *getPassName() const { return "Emit Bytecode to Sparc Assembly";}
virtual bool run(Module &M) {
// Write bytecode out to the sparc assembly stream
Out << "\n\n!LLVM BYTECODE OUTPUT\n\t.section \".rodata\"\n\t.align 8\n";
Out << "\t.global LLVMBytecode\n\t.type LLVMBytecode,#object\n";
Out << "LLVMBytecode:\n";
//changed --anand, to get the size of bytecode
// Write an object containing the bytecode to the SPARC assembly stream
writePrologue (Out, "LLVM BYTECODE OUTPUT", "LLVMBytecode");
osparcasmstream OS(Out);
WriteBytecodeToFile(&M, OS);
writeEpilogue (Out, "LLVMBytecode");
Out << ".end_LLVMBytecode:\n";
Out << "\t.size LLVMBytecode, .end_LLVMBytecode-LLVMBytecode\n\n";
Out <<"\n\n!LLVM BYTECODE Length\n";
Out <<"\t.section \".data\",#alloc,#write\n";
Out <<"\t.global llvm_length\n";
Out <<"\t.align 4\n";
Out <<"\t.type llvm_length,#object\n";
Out <<"\t.size llvm_length,4\n";
Out <<"llvm_length:\n";
// Write an object containing its length as an integer to the
// SPARC assembly stream
writePrologue (Out, "LLVM BYTECODE LENGTH", "llvm_length");
Out <<"\t.word\t.end_LLVMBytecode-LLVMBytecode\n";
writeEpilogue (Out, "llvm_length");
return false;
}
};
} // end anonymous namespace
Pass *UltraSparc::getEmitBytecodeToAsmPass(std::ostream &Out) {
Pass *UltraSparc::getBytecodeAsmPrinterPass(std::ostream &Out) {
return new SparcBytecodeWriter(Out);
}