135 lines
3.3 KiB
C
135 lines
3.3 KiB
C
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/*====================================================================
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project: GameCube DSP Tool (gcdsp)
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created: 2005.03.04
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mail: duddie@walla.com
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Copyright (c) 2005 Duddie
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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====================================================================*/
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#ifndef _DSP_ASSEMBLE_H
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#define _DSP_ASSEMBLE_H
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#include <string>
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#include <map>
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#include "Common.h"
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#include "disassemble.h"
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#include "DSPTables.h"
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enum err_t
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{
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ERR_OK = 0,
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ERR_UNKNOWN,
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ERR_UNKNOWN_OPCODE,
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ERR_NOT_ENOUGH_PARAMETERS,
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ERR_TOO_MANY_PARAMETERS,
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ERR_WRONG_PARAMETER,
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ERR_EXPECTED_PARAM_STR,
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ERR_EXPECTED_PARAM_VAL,
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ERR_EXPECTED_PARAM_REG,
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ERR_EXPECTED_PARAM_MEM,
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ERR_EXPECTED_PARAM_IMM,
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ERR_INCORRECT_BIN,
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ERR_INCORRECT_HEX,
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ERR_INCORRECT_DEC,
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ERR_LABEL_EXISTS,
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ERR_UNKNOWN_LABEL,
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ERR_NO_MATCHING_BRACKETS,
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ERR_EXT_CANT_EXTEND_OPCODE,
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ERR_EXT_PAR_NOT_EXT,
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ERR_WRONG_PARAMETER_ACC,
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ERR_WRONG_PARAMETER_MID_ACC,
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ERR_INVALID_REGISTER,
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ERR_OUT_RANGE_NUMBER
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};
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// Unless you want labels to carry over between files, you probably
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// want to create a new DSPAssembler for every file you assemble.
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class DSPAssembler
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{
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public:
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DSPAssembler();
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~DSPAssembler();
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void Assemble(const char *text, std::vector<u16> *code);
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typedef struct fass_t
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{
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FILE *fsrc;
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u32 code_line;
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bool failed;
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} fass_t;
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struct label_t
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{
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char *label;
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s32 addr;
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};
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struct param_t
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{
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u32 val;
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partype_t type;
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char *str;
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};
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enum segment_t
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{
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SEGMENT_CODE = 0,
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SEGMENT_DATA,
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SEGMENT_OVERLAY,
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SEGMENT_MAX
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};
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void gd_ass_init_pass(int pass);
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bool gd_ass_file(gd_globals_t *gdg, const char *fname, int pass);
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private:
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void parse_error(err_t err_code, fass_t *fa, const char *extra_info = NULL);
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void gd_ass_register_label(const char *label, u16 lval);
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void gd_ass_clear_labels();
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s32 strtoval(const char *str);
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char *find_brackets(char *src, char *dst);
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u32 parse_exp(const char *ptr);
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u32 parse_exp_f(const char *ptr, fass_t *fa);
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u32 get_params(char *parstr, param_t *par, fass_t *fa);
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const opc_t *find_opcode(const char *opcode, u32 par_count, const opc_t * const opcod, u32 opcod_size, fass_t *fa);
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bool verify_params(const opc_t *opc, param_t *par, u32 count, fass_t *fa);
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void build_code(const opc_t *opc, param_t *par, u32 par_count, u16 *outbuf);
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char *include_dir;
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label_t labels[10000];
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int labels_count;
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char cur_line[4096];
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u32 cur_addr;
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u8 cur_pass;
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fass_t *cur_fa;
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typedef std::map<std::string, std::string> AliasMap;
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AliasMap aliases;
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segment_t cur_segment;
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u32 segment_addr[SEGMENT_MAX];
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int current_param;
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};
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#endif // _DSP_ASSEMBLE_H
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