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debugger: improve disassembling of 68k F-Traps.

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This commit is contained in:
Maxim Poliakovski
2021-10-13 09:04:52 +02:00
parent 9caef55c19
commit e66979d30f
1 changed files with 11 additions and 1 deletions
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12
debugger/debugger.cpp
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@@ -117,13 +117,23 @@ static void disasm_68k(uint32_t count, uint32_t address) {
code_size = sizeof(code); code_size = sizeof(code);
dis_addr = address; dis_addr = address;
// catch and handle F-Traps (Nanokernel calls) ourselves because
// Capstone will likely return no meaningful assembly for them
if ((code[0] & 0xF0) == 0xF0) {
goto print_bin;
}
if (cs_disasm_iter(cs_handle, &code_ptr, &code_size, &dis_addr, insn)) { if (cs_disasm_iter(cs_handle, &code_ptr, &code_size, &dis_addr, insn)) {
cout << uppercase << hex << insn->address << " "; cout << uppercase << hex << insn->address << " ";
cout << setfill(' '); cout << setfill(' ');
cout << setw(10) << left << insn->mnemonic << insn->op_str << endl; cout << setw(10) << left << insn->mnemonic << insn->op_str << endl;
address = dis_addr; address = dis_addr;
} else { } else {
cout << "DS.W " << hex << ((code[0] << 8) | code[1]) << endl; print_bin:
cout << uppercase << hex << address << " ";
cout << setfill(' ');
cout << setw(10) << left << "dc.w" << "$" << hex <<
((code[0] << 8) | code[1]) << endl;
address += 2; address += 2;
} }
} }