dolphin/Source/Core/DSPCore/Src/assemble.h

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/*====================================================================
project: GameCube DSP Tool (gcdsp)
created: 2005.03.04
mail: duddie@walla.com
Copyright (c) 2005 Duddie
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; either version 2
of the License, or (at your option) any later version.
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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
====================================================================*/
#ifndef _DSP_ASSEMBLE_H
#define _DSP_ASSEMBLE_H
#include <string>
#include <map>
#include "Common.h"
#include "disassemble.h"
#include "DSPTables.h"
#include "LabelMap.h"
enum err_t
{
ERR_OK = 0,
ERR_UNKNOWN,
ERR_UNKNOWN_OPCODE,
ERR_NOT_ENOUGH_PARAMETERS,
ERR_TOO_MANY_PARAMETERS,
ERR_WRONG_PARAMETER,
ERR_EXPECTED_PARAM_STR,
ERR_EXPECTED_PARAM_VAL,
ERR_EXPECTED_PARAM_REG,
ERR_EXPECTED_PARAM_MEM,
ERR_EXPECTED_PARAM_IMM,
ERR_INCORRECT_BIN,
ERR_INCORRECT_HEX,
ERR_INCORRECT_DEC,
ERR_LABEL_EXISTS,
ERR_UNKNOWN_LABEL,
ERR_NO_MATCHING_BRACKETS,
ERR_EXT_CANT_EXTEND_OPCODE,
ERR_EXT_PAR_NOT_EXT,
ERR_WRONG_PARAMETER_ACC,
ERR_WRONG_PARAMETER_MID_ACC,
ERR_INVALID_REGISTER,
ERR_OUT_RANGE_NUMBER
};
// Unless you want labels to carry over between files, you probably
// want to create a new DSPAssembler for every file you assemble.
class DSPAssembler
{
public:
DSPAssembler(const AssemblerSettings &settings);
~DSPAssembler();
// line_numbers is optional (and not yet implemented). It'll receieve a list of ints,
// one for each word of code, indicating the source assembler code line number it came from.
// If returns false, call GetErrorString to get some text to present to the user.
bool Assemble(const char *text, std::vector<u16> &code, std::vector<int> *line_numbers = NULL);
std::string GetErrorString() const { return last_error_str; }
err_t GetError() const { return last_error; }
private:
struct param_t
{
u32 val;
partype_t type;
char *str;
};
enum segment_t
{
SEGMENT_CODE = 0,
SEGMENT_DATA,
SEGMENT_OVERLAY,
SEGMENT_MAX
};
// Utility functions
s32 ParseValue(const char *str);
u32 ParseExpression(const char *ptr);
u32 GetParams(char *parstr, param_t *par);
void InitPass(int pass);
bool AssembleFile(const char *fname, int pass);
void ShowError(err_t err_code, const char *extra_info = NULL);
// void ShowWarning(err_t err_code, const char *extra_info = NULL);
char *FindBrackets(char *src, char *dst);
const opc_t *FindOpcode(const char *opcode, u32 par_count, const opc_t * const opcod, int opcod_size);
bool VerifyParams(const opc_t *opc, param_t *par, int count, bool ext = false);
void BuildCode(const opc_t *opc, param_t *par, u32 par_count, u16 *outbuf);
char *gdg_buffer;
std::string include_dir;
std::string cur_line;
u32 m_cur_addr;
int m_totalSize;
u8 m_cur_pass;
LabelMap labels;
u32 code_line;
bool failed;
std::string last_error_str;
err_t last_error;
typedef std::map<std::string, std::string> AliasMap;
AliasMap aliases;
segment_t cur_segment;
u32 segment_addr[SEGMENT_MAX];
int m_current_param;
const AssemblerSettings settings_;
};
#endif // _DSP_ASSEMBLE_H