gem5  v21.1.0.2
branch.cc
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28 
30 
32 //
33 // Branch instructions
34 //
35 
36 namespace gem5
37 {
38 
39 namespace SparcISA
40 {
41 
42 template class BranchNBits<19>;
43 template class BranchNBits<22>;
44 template class BranchNBits<30>;
45 
46 std::string
48 {
49  std::stringstream response;
50 
51  printMnemonic(response, mnemonic);
52  printRegArray(response, &srcRegIdx(0), _numSrcRegs);
54  response << ", ";
55  printDestReg(response, 0);
56 
57  return response.str();
58 }
59 
60 std::string
62  Addr pc, const loader::SymbolTable *symtab) const
63 {
64  std::stringstream response;
65 
66  printMnemonic(response, mnemonic);
67  printRegArray(response, &srcRegIdx(0), _numSrcRegs);
68  if (_numSrcRegs > 0)
69  response << ", ";
70  ccprintf(response, "0x%x", imm);
71  if (_numDestRegs > 0)
72  response << ", ";
73  printDestReg(response, 0);
74 
75  return response.str();
76 }
77 
78 std::string
80  Addr pc, const loader::SymbolTable *symtab) const
81 {
82  std::stringstream response;
83 
84  Addr target = disp + pc;
85 
86  printMnemonic(response, mnemonic);
87  ccprintf(response, "%#x", target);
88 
90  if (symtab && (it = symtab->findNearest(target)) != symtab->end()) {
91  ccprintf(response, " <%s", it->name);
92  if (it->address != target)
93  ccprintf(response, "+%d>", target - it->address);
94  else
95  ccprintf(response, ">");
96  }
97 
98  return response.str();
99 }
100 
101 } // namespace SparcISA
102 } // namespace gem5
gem5::SparcISA::Branch::generateDisassembly
std::string generateDisassembly(Addr pc, const loader::SymbolTable *symtab) const override
Internal function to generate disassembly string.
Definition: branch.cc:47
gem5::loader::SymbolTable::end
const_iterator end() const
Definition: symtab.hh:176
gem5::loader::SymbolTable
Definition: symtab.hh:65
gem5::SparcISA::SparcStaticInst::printRegArray
void printRegArray(std::ostream &os, const RegId *indexArray, int num) const
Definition: static_inst.cc:69
gem5::ccprintf
void ccprintf(cp::Print &print)
Definition: cprintf.hh:130
gem5::loader::SymbolTable::const_iterator
SymbolVector::const_iterator const_iterator
Definition: symtab.hh:170
gem5::SparcISA::BranchImm13::imm
int32_t imm
Definition: branch.hh:116
gem5::StaticInst::srcRegIdx
const RegId & srcRegIdx(int i) const
Return logical index (architectural reg num) of i'th source reg.
Definition: static_inst.hh:247
gem5::loader::SymbolTable::findNearest
const_iterator findNearest(Addr addr, Addr &next_addr) const
Find the nearest symbol equal to or less than the supplied address (e.g., the label for the enclosing...
Definition: symtab.hh:361
gem5::SparcISA::SparcStaticInst::printDestReg
void printDestReg(std::ostream &os, int reg) const
Definition: static_inst.cc:95
gem5::Addr
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition: types.hh:147
gem5::SparcISA::BranchDisp::disp
int32_t disp
Definition: branch.hh:71
gem5::StaticInst::_numDestRegs
int8_t _numDestRegs
See numDestRegs().
Definition: static_inst.hh:112
gem5::MipsISA::pc
Bitfield< 4 > pc
Definition: pra_constants.hh:243
branch.hh
gem5::SparcISA::BranchImm13::generateDisassembly
std::string generateDisassembly(Addr pc, const loader::SymbolTable *symtab) const override
Internal function to generate disassembly string.
Definition: branch.cc:61
gem5::SparcISA::SparcStaticInst::printMnemonic
static void printMnemonic(std::ostream &os, const char *mnemonic)
Definition: static_inst.cc:63
gem5::SparcISA::BranchDisp::generateDisassembly
std::string generateDisassembly(Addr pc, const loader::SymbolTable *symtab) const override
Internal function to generate disassembly string.
Definition: branch.cc:79
gem5::StaticInst::mnemonic
const char * mnemonic
Base mnemonic (e.g., "add").
Definition: static_inst.hh:281
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: decoder.cc:40
gem5::StaticInst::_numSrcRegs
int8_t _numSrcRegs
See numSrcRegs().
Definition: static_inst.hh:109

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