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changed implementation of LLVM BYTECODE Length

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3089 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mehwish Nagda 2002-07-25 17:22:48 +00:00
parent db14500d88
commit 0009c2e8b3
1 changed files with 16 additions and 18 deletions
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30
lib/Target/SparcV9/EmitBytecodeToAssembly.cpp
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@ -10,8 +10,7 @@
#include "llvm/Pass.h" #include "llvm/Pass.h"
#include "llvm/Bytecode/Writer.h" #include "llvm/Bytecode/Writer.h"
#include <iostream> #include <iostream>
#include <sstream>
#include <string>
using std::ostream; using std::ostream;
namespace { namespace {
@ -41,7 +40,7 @@ namespace {
// as the underlying streambuf to write the data to. This streambuf formats // as the underlying streambuf to write the data to. This streambuf formats
// the output as .byte directives for sparc output. // the output as .byte directives for sparc output.
// //
class osparcasmstream : public ostream { class osparcasmstream : public std::ostream {
sparcasmbuf sb; sparcasmbuf sb;
public: public:
typedef char char_type; typedef char char_type;
@ -49,7 +48,7 @@ namespace {
typedef std::streampos pos_type; typedef std::streampos pos_type;
typedef std::streamoff off_type; typedef std::streamoff off_type;
explicit osparcasmstream(ostream &On) : ostream(&sb), sb(On) { } explicit osparcasmstream(std::ostream &On) : std::ostream(&sb), sb(On) { }
sparcasmbuf *rdbuf() const { sparcasmbuf *rdbuf() const {
return const_cast<sparcasmbuf*>(&sb); return const_cast<sparcasmbuf*>(&sb);
@ -67,28 +66,27 @@ namespace {
virtual bool run(Module &M) { virtual bool run(Module &M) {
// Write bytecode out to the sparc assembly stream // Write bytecode out to the sparc assembly stream
Out << "\n\n!LLVM BYTECODE OUTPUT\n\t.section \".rodata\"\n\t.align 8\n"; 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 << "\t.global LLVMBytecode\n\t.type LLVMBytecode,#object\n";
Out << "LLVMBytecode:\n"; Out << "LLVMBytecode:\n";
//changed --anand, to get the size of bytecode //changed --anand, to get the size of bytecode
std::ostringstream Ostr; osparcasmstream OS(Out);
osparcasmstream OS(Ostr);
WriteBytecodeToFile(&M, OS); WriteBytecodeToFile(&M, OS);
//compute length: count number of "."
std::string myString=Ostr.str();
int llvm_len=0;
for(std::string::iterator si=myString.begin(), se=myString.end(); si!=se; si++)
if(*si == '.')
llvm_len++;
//now put Ostr into Out
//count no of
Out<<Ostr.str();
Out << ".end_LLVMBytecode:\n"; Out << ".end_LLVMBytecode:\n";
Out << "\t.size LLVMBytecode, .end_LLVMBytecode-LLVMBytecode\n\n"; Out << "\t.size LLVMBytecode, .end_LLVMBytecode-LLVMBytecode\n\n";
Out <<"\n\n!LLVM BYTECODE Length\n\t.section \".data\",#alloc,#write\n\t.global llvm_length\n\t.align 4\n\t.type llvm_length,#object\n\t.size llvm_length,4\nllvm_length:\n\t.word "<<llvm_len<<"\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";
Out <<"\t.word\t.end_LLVMBytecode-LLVMBytecode\n";
return false; return false;
} }
}; };