branch.cc

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/*
 * Copyright (c) 2006-2007 The Regents of The University of Michigan
 * All rights reserved.
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 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#include "arch/sparc/insts/branch.hh"
#include "base/loader/symtab.hh"

//
// Branch instructions
//
 
namespace gem5
{
 
namespace SparcISA
{
 
template class BranchNBits<19>;
template class BranchNBits<22>;
template class BranchNBits<30>;
 
std::string
Branch::generateDisassembly(Addr pc, const loader::SymbolTable *symtab) const
{
    std::stringstream response;
 
    printMnemonic(response, mnemonic);
    printRegArray(response, &srcRegIdx(0), _numSrcRegs);
    if (_numDestRegs && _numSrcRegs)
            response << ", ";
    printDestReg(response, 0);
 
    return response.str();
}
 
std::string
BranchImm13::generateDisassembly(
        Addr pc, const loader::SymbolTable *symtab) const
{
    std::stringstream response;
 
    printMnemonic(response, mnemonic);
    printRegArray(response, &srcRegIdx(0), _numSrcRegs);
    if (_numSrcRegs > 0)
        response << ", ";
    ccprintf(response, "0x%x", imm);
    if (_numDestRegs > 0)
        response << ", ";
    printDestReg(response, 0);
 
    return response.str();
}
 
std::string
BranchDisp::generateDisassembly(
        Addr pc, const loader::SymbolTable *symtab) const
{
    std::stringstream response;
 
    Addr target = disp + pc;
 
    printMnemonic(response, mnemonic);
    ccprintf(response, "%#x", target);
 
    loader::SymbolTable::const_iterator it;
    if (symtab && (it = symtab->findNearest(target)) != symtab->end()) {
        ccprintf(response, " <%s", it->name());
        if (it->address() != target)
            ccprintf(response, "+%d>", target - it->address());
        else
            ccprintf(response, ">");
    }
 
    return response.str();
}
 
} // namespace SparcISA
} // namespace gem5