Adding code for outputing length in .s

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2979 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anand Shukla 2002-07-21 09:35:01 +00:00
parent 9bdf841ef1
commit 3ee2ea8625

View File

@ -10,13 +10,16 @@
#include "llvm/Pass.h"
#include "llvm/Bytecode/Writer.h"
#include <iostream>
#include <sstream>
#include <string>
using std::ostream;
namespace {
// sparcasmbuf - stream buf for encoding output bytes as .byte directives for
// the sparc assembler.
//
class sparcasmbuf : public streambuf {
class sparcasmbuf : public std::streambuf {
std::ostream &BaseStr;
public:
typedef char char_type;
@ -63,14 +66,29 @@ namespace {
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";
osparcasmstream OS(Out);
//changed --anand, to get the size of bytecode
std::ostringstream Ostr;
osparcasmstream OS(Ostr);
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 << "\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";
return false;
}
};