Magic-Mirror/capstone
1
0
Fork 0
mirror of https://github.com/capstone-engine/capstone.git synced 2025-02-02 20:11:57 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Improve TriCore InstPrinter and Mapping

Browse Source
This commit is contained in:
Sidney Pontes Filho 2016-06-10 13:08:46 +02:00 committed by billow
parent 5d1cd026d8
commit 104ad28a7e
2 changed files with 156 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

141
arch/TriCore/TriCoreInstPrinter.c
View File

@ -29,8 +29,6 @@
#include "../../MathExtras.h"
#include "TriCoreMapping.h"
// TODO: Implement all functions
static char *getRegisterName(unsigned RegNo);
static void printInstruction(MCInst *MI, SStream *O, MCRegisterInfo *MRI);
static void printMemOperand(MCInst *MI, int opNum, SStream *O, const char *Modifier);
@ -72,7 +70,7 @@ void TriCore_post_printer(csh ud, cs_insn *insn, char *insn_asm, MCInst *mci)
static void printRegName(SStream *OS, unsigned RegNo)
{
SStream_concat0(OS, "%");
SStream_concat0(OS, "$");
SStream_concat0(OS, getRegisterName(RegNo));
}
@ -90,8 +88,143 @@ void TriCore_printInst(MCInst *MI, SStream *O, void *Info)
static void printOperand(MCInst *MI, int OpNum, SStream *O)
{
if (OpNum >= MI->size)
MCOperand *Op;
if (OpNo >= MI->size)
return;
Op = MCInst_getOperand(MI, OpNo);
if (MCOperand_isReg(Op)) {
unsigned int reg = MCOperand_getReg(Op);
printRegName(O, reg);
reg = TriCore_map_register(reg);
if (MI->csh->detail) {
if (MI->csh->doing_mem) {
MI->flat_insn->detail->tricore.operands[MI->flat_insn->detail->tricore.op_count].mem.base = reg;
} else {
MI->flat_insn->detail->tricore.operands[MI->flat_insn->detail->tricore.op_count].type = TRICORE_OP_REG;
MI->flat_insn->detail->tricore.operands[MI->flat_insn->detail->tricore.op_count].reg = reg;
MI->flat_insn->detail->tricore.op_count++;
}
}
} else if (MCOperand_isImm(Op)) {
int64_t imm = MCOperand_getImm(Op);
if (MI->csh->doing_mem) {
if (imm) { // only print Imm offset if it is not 0
if (imm >= 0) {
if (imm > HEX_THRESHOLD)
SStream_concat(O, "0x%"PRIx64, imm);
else
SStream_concat(O, "%"PRIu64, imm);
} else {
if (imm < -HEX_THRESHOLD)
SStream_concat(O, "-0x%"PRIx64, -imm);
else
SStream_concat(O, "-%"PRIu64, -imm);
}
}
if (MI->csh->detail)
MI->flat_insn->detail->tricore.operands[MI->flat_insn->detail->tricore.op_count].mem.disp = imm;
} else {
if (imm >= 0) {
if (imm > HEX_THRESHOLD)
SStream_concat(O, "0x%"PRIx64, imm);
else
SStream_concat(O, "%"PRIu64, imm);
} else {
if (imm < -HEX_THRESHOLD)
SStream_concat(O, "-0x%"PRIx64, -imm);
else
SStream_concat(O, "-%"PRIu64, -imm);
}
if (MI->csh->detail) {
MI->flat_insn->detail->tricore.operands[MI->flat_insn->detail->tricore.op_count].type = TRICORE_OP_IMM;
MI->flat_insn->detail->tricore.operands[MI->flat_insn->detail->tricore.op_count].imm = imm;
MI->flat_insn->detail->tricore.op_count++;
}
}
}
}
static void printSExtImm(MCInst *MI, int opNum, SStream *O)
{
MCOperand *MO = MCInst_getOperand(MI, opNum);
if (MCOperand_isImm(MO)) {
int64_t imm = MCOperand_getImm(MO);
if (imm >= 0) {
if (imm > HEX_THRESHOLD)
SStream_concat(O, "0x%x", (unsigned short int)imm);
else
SStream_concat(O, "%u", (unsigned short int)imm);
} else {
if (imm < -HEX_THRESHOLD)
SStream_concat(O, "-0x%x", (short int)-imm);
else
SStream_concat(O, "-%u", (short int)-imm);
}
if (MI->csh->detail) {
MI->flat_insn->detail->tricore.operands[MI->flat_insn->detail->tricore.op_count].type = TRICORE_OP_IMM;
MI->flat_insn->detail->tricore.operands[MI->flat_insn->detail->tricore.op_count].imm = (unsigned short int)imm;
MI->flat_insn->detail->tricore.op_count++;
}
} else
printOperand(MI, opNum, O);
}
static void printZExtImm(MCInst *MI, int opNum, SStream *O)
{
MCOperand *MO = MCInst_getOperand(MI, opNum);
if (MCOperand_isImm(MO)) {
unsigned imm = (unsigned)MCOperand_getImm(MO);
if (imm > HEX_THRESHOLD)
SStream_concat(O, "0x%x", imm);
else
SStream_concat(O, "%u", imm);
if (MI->csh->detail) {
MI->flat_insn->detail->tricore.operands[MI->flat_insn->detail->tricore.op_count].type = TRICORE_OP_IMM;
MI->flat_insn->detail->tricore.operands[MI->flat_insn->detail->tricore.op_count].imm = imm;
MI->flat_insn->detail->tricore.op_count++;
}
} else
printOperand(MI, opNum, O);
}
// Print a 'memsrc' operand which is a (Register, Offset) pair.
// TODO: verify this function
void printAddrModeMemSrc(const MCInst *MI, unsigned OpNum, raw_ostream &O) {
MCOperand *Base = MCInst_getOperand(MI, opNum);
// Print register base field
if (MCOperand_isReg(Base)) {
SStream_concat(O, "[%");
printRegName(O, MCOperand_getReg(Base));
SStream_concat(O, "]");
}
SStream_concat(O, " ");
printOperand(MI, opNum+1, O); // Disp
}
static void printCCOperand(MCInst *MI, int opNum, SStream *O)
{
MCOperand *MO = MCInst_getOperand(MI, opNum);
unsigned CC = MCOperand_getImm(MO);
switch (CC) {
default: // unreachable
case 0:
SStream_concat0(O, "eq");
break;
case 1:
SStream_concat0(O, "ne");
break;
case 3:
SStream_concat0(O, "lt");
break;
case 2:
SStream_concat0(O, "ge");
break;
}
#define PRINT_ALIAS_INSTR

19
arch/TriCore/TriCoreMapping.c
View File

@ -876,6 +876,25 @@ const char *TriCore_insn_name(csh handle, unsigned int id)
#endif
}
#ifndef CAPSTONE_DIET
static name_map group_name_maps[] = {
{ TRICORE_GRP_INVALID, NULL },
{ TRICORE_GRP_JUMP, "jump" },
};
#endif
const char *TriCore_group_name(csh handle, unsigned int id)
{
#ifndef CAPSTONE_DIET
if (id >= TRICORE_GRP_ENDING)
return NULL;
return group_name_maps[id].name;
#else
return NULL;
#endif
}
// map internal raw register to 'public' register
tricore_reg TriCore_map_register(unsigned int r)
{