/* $Id$ */ /* Copyright (c) 2011 Pierre Pronchery */ /* This file is part of DeforaOS Devel asm */ /* This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, version 3 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #include #include "Asm.h" /* yasep */ /* private */ /* variables */ /* plug-in */ #define REG(name, size, id) { "" # name, size, id }, static ArchRegister _yasep_registers[] = { #include "yasep.reg" { NULL, 0, 0 } }; #undef REG static ArchInstruction _yasep_instructions[] = { #include "yasep.ins" #include "common.ins" #include "null.ins" }; /* prototypes */ /* plug-in */ static int _yasep_encode(ArchPlugin * plugin, ArchInstruction * instruction, ArchInstructionCall * call); static int _yasep_decode(ArchPlugin * plugin, ArchInstructionCall * call); /* protected */ /* variables */ ArchPlugin arch_plugin = { NULL, "yasep", NULL, _yasep_registers, _yasep_instructions, NULL, NULL, _yasep_encode, _yasep_decode }; /* private */ /* functions */ /* plug-in */ /* yasep_encode */ static int _encode_16(ArchPlugin * plugin, ArchInstruction * instruction, ArchInstructionCall * call); static int _encode_32(ArchPlugin * plugin, ArchInstruction * instruction, ArchInstructionCall * call); static int _yasep_encode(ArchPlugin * plugin, ArchInstruction * instruction, ArchInstructionCall * call) { return (instruction->opcode & 0x1) ? _encode_32(plugin, instruction, call) : _encode_16(plugin, instruction, call); } static int _encode_16(ArchPlugin * plugin, ArchInstruction * instruction, ArchInstructionCall * call) { ArchPluginHelper * helper = plugin->helper; uint16_t opcode = instruction->opcode; opcode = _htob16(opcode); if(helper->write(helper->arch, &opcode, sizeof(opcode)) != sizeof(opcode)) return -1; return 0; } static int _encode_32(ArchPlugin * plugin, ArchInstruction * instruction, ArchInstructionCall * call) { ArchPluginHelper * helper = plugin->helper; uint32_t opcode = instruction->opcode; opcode = _htob32(opcode); if(helper->write(helper->arch, &opcode, sizeof(opcode)) != sizeof(opcode)) return -1; return 0; } /* yasep_decode */ static int _yasep_decode(ArchPlugin * plugin, ArchInstructionCall * call) { ArchPluginHelper * helper = plugin->helper; uint16_t u16; uint16_t opcode; ArchInstruction * ai; if(helper->read(helper->arch, &u16, sizeof(u16)) != sizeof(u16)) return -1; u16 = _htob16(u16); opcode = u16 & 0x00ff; if((ai = helper->get_instruction_by_opcode(helper->arch, 16, opcode)) == NULL) return -1; call->name = ai->name; return 0; }