2 Definitions for what a port must provide.
3 All ports are referenced in SDCCmain.c.
10 #include "SDCCpeeph.h"
12 #include "mcs51/peep.h"
14 #define TARGET_ID_MCS51 1
15 #define TARGET_ID_GBZ80 2
16 #define TARGET_ID_Z80 3
17 #define TARGET_ID_AVR 4
18 #define TARGET_ID_DS390 5
19 #define TARGET_ID_PIC 6
20 #define TARGET_ID_PIC16 7
21 #define TARGET_ID_XA51 9
22 #define TARGET_ID_DS400 10
23 #define TARGET_ID_HC08 11
25 /* Macro to test the target we are compiling for.
26 Can only be used after SDCCmain has defined the port
28 #define TARGET_IS_MCS51 (port->id==TARGET_ID_MCS51)
29 #define TARGET_IS_GBZ80 (port->id==TARGET_ID_GBZ80)
30 #define TARGET_IS_Z80 (port->id==TARGET_ID_Z80)
31 #define TARGET_Z80_LIKE ((port->id==TARGET_ID_Z80) || (port->id==TARGET_ID_GBZ80))
32 #define TARGET_IS_AVR (port->id==TARGET_ID_AVR)
33 #define TARGET_IS_DS390 (port->id==TARGET_ID_DS390)
34 #define TARGET_IS_DS400 (port->id==TARGET_ID_DS400)
35 #define TARGET_IS_PIC (port->id==TARGET_ID_PIC)
36 #define TARGET_IS_PIC16 (port->id==TARGET_ID_PIC16)
37 #define TARGET_IS_XA51 (port->id==TARGET_ID_XA51)
38 #define TARGET_IS_HC08 (port->id==TARGET_ID_HC08)
40 #define MAX_BUILTIN_ARGS 16
41 /* definition of builtin functions */
42 typedef struct builtins
44 char *name; /* name of builtin function */
45 char *rtype; /* return type as string : see typefromStr */
46 int nParms; /* number of parms : max 8 */
47 char *parm_types[MAX_BUILTIN_ARGS]; /* each parm type as string : see typeFromStr */
52 /* pragma structure */
58 int (*func)(int id, const char *name, const char *cp);
61 /* defined in SDCClex.lex */
62 int process_pragma_tbl(const struct pragma_s *pragma_tbl, const char *s);
64 /* Processor specific names */
67 /** Unique id for this target */
69 /** Target name used for -m */
70 const char * const target;
72 /** Target name string, used for --help */
73 const char * const target_name;
75 /** Specific processor for the given target family. specified by -p */
80 /** Pointer to glue function */
81 void (*do_glue)(void);
82 /** TRUE if all types of glue functions should be inserted into
83 the file that also defines main.
84 We dont want this in cases like the z80 where the startup
85 code is provided by a seperate module.
94 /* assembler related information */
97 /** Command to run and arguments (eg as-z80) */
99 /** Alternate macro based form. */
101 /** Arguments for debug mode. */
102 const char *debug_opts;
103 /** Arguments for normal assembly mode. */
104 const char *plain_opts;
105 /* print externs as global */
107 /* assembler file extension */
108 const char *file_ext;
109 /** If non-null will be used to execute the assembler. */
110 void (*do_assemble) (set *);
114 /* linker related info */
117 /** Command to run (eg link-z80) */
119 /** Alternate macro based form. */
121 /** If non-null will be used to execute the link. */
122 void (*do_link) (void);
123 /** Extension for object files (.rel, .obj, ...) */
125 /** 1 if port needs the .lnk file, 0 otherwise */
126 const int needLinkerScript;
132 /** Default peephole rules */
134 int (*getSize)(lineNode *line);
135 bitVect * (*getRegsRead)(lineNode *line);
136 bitVect * (*getRegsWritten)(lineNode *line);
137 bool (*deadMove) (const char *reg, lineNode *currPl, lineNode *head);
141 /** Basic type sizes */
146 unsigned int int_size;
150 int gptr_size; //generic
157 /** tags for far, near, xstack, code generic pointers */
167 /** memory regions related stuff */
170 const char * const xstack_name;
171 const char * const istack_name;
173 * The following 2 items can't be const pointers
174 * due to ugly implementation in z80 target;
175 * this should be fixed in src/z80/main.c (borutr)
177 const char *code_name;
178 const char *data_name;
179 const char * const idata_name;
180 const char * const pdata_name;
181 const char * const xdata_name;
182 const char * const bit_name;
183 const char * const reg_name;
184 const char * const static_name;
185 const char * const overlay_name;
186 const char * const post_static_name;
187 const char * const home_name;
188 const char * const xidata_name; // initialized xdata
189 const char * const xinit_name; // a code copy of xidata
190 const char * const const_name; // const data (code or not)
191 const char * const cabs_name; // const absolute data (code or not)
192 const char * const xabs_name; // absolute xdata/pdata
193 const char * const iabs_name; // absolute idata/data
194 struct memmap *default_local_map; // default location for auto vars
195 struct memmap *default_globl_map; // default location for globl vars
196 int code_ro; /* code space read-only 1=yes */
202 void (*genExtraAreaDeclaration)(FILE *, bool);
203 void (*genExtraAreaLinkOptions)(FILE *);
207 /* stack related information */
210 /** -1 for grows down (z80), +1 for grows up (mcs51) */
212 /** Extra overhead when calling between banks */
214 /** Extra overhead when the function is an ISR */
216 /** Standard overhead for a function call */
218 /** Re-enterant space */
220 /** 'banked' call overhead.
221 Mild overlap with bank_overhead */
228 /** One more than the smallest
229 mul/div operation the processor can do natively
230 Eg if the processor has an 8 bit mul, native below is 2 */
238 void (*emitDebuggerSymbol) (char *);
241 int (*regNum) (struct regs *);
258 int sizeofMatchJump[3];
259 int sizeofRangeCompare[3];
265 /** Prefix to add to a C function (eg "_") */
266 const char *fun_prefix;
268 /** Called once the processor target has been selected.
269 First chance to initalise and set any port specific variables.
270 'port' is set before calling this. May be NULL.
273 /** Parses one option + its arguments */
274 bool (*parseOption) (int *pargc, char **argv, int *i);
275 /** Optional list of automatically parsed options. Should be
276 implemented to at least show the help text correctly. */
278 /** Initialise port spectific paths */
279 void (*initPaths)(void);
280 /** Called after all the options have been parsed. */
281 void (*finaliseOptions) (void);
282 /** Called after the port has been selected but before any
283 options are parsed. */
284 void (*setDefaultOptions) (void);
285 /** Does the dirty work. */
286 void (*assignRegisters) (struct ebbIndex *);
288 /** Returns the register name of a symbol.
289 Used so that 'regs' can be an incomplete type. */
290 const char *(*getRegName) (struct regs * reg);
292 /* list of keywords that are used by this
293 target (used by lexer) */
296 /* Write any port specific assembler output. */
297 void (*genAssemblerPreamble) (FILE * of);
298 /* invoked at end assembler file */
299 void (*genAssemblerEnd) (FILE * of);
301 /* Write the port specific IVT. If genIVT is NULL or if
302 * it returns zero, default (8051) IVT generation code
305 int (*genIVT) (struct dbuf_s *oBuf, symbol ** intTable, int intCount);
307 void (*genXINIT) (FILE * of);
309 /* Write port specific startup code */
310 void (*genInitStartup) (FILE * of);
312 /* parameter passing in register related functions */
313 void (*reset_regparms) (void); /* reset the register count */
314 int (*reg_parm) (struct sym_link *, bool reentrant); /* will return 1 if can be passed in register */
316 /** Process the pragma string 'sz'. Returns 0 if recognised and
317 processed, 1 otherwise. May be NULL.
319 int (*process_pragma) (const char *sz);
321 /** Mangles a support function name to reflect the calling model.
323 char *(*getMangledFunctionName) (char *szOrginial);
325 /** Returns true if the port can multiply the two types nativly
326 without using support functions.
328 bool (*hasNativeMulFor) (iCode *ic, sym_link *left, sym_link *right);
330 /** Returns true if the port has implemented certain bit
331 manipulation iCodes (RRC, RLC, SWAP, GETHBIT, GETABIT, GETBYTE, GETWORD)
333 bool (*hasExtBitOp) (int op, int size);
335 /** Returns the relative expense of accessing a particular output
336 storage class. Larger values indicate higher expense.
338 int (*oclsExpense) (struct memmap *oclass);
340 /** If TRUE, then tprintf and !dw will be used for some initalisers
342 bool use_dw_for_init;
344 /** TRUE for targets with little endian byte ordering, FALSE for
345 targets with big endian byte ordering.
349 /* condition transformations */
350 bool lt_nge; /* transform (a < b) to !(a >= b) */
351 bool gt_nle; /* transform (a > b) to !(a <= b) */
352 bool le_ngt; /* transform (a <= b) to !(a > b) */
353 bool ge_nlt; /* transform (a >= b) to !(a < b) */
354 bool ne_neq; /* transform a != b --> ! (a == b) */
355 bool eq_nne; /* transform a == b --> ! (a != b) */
357 bool arrayInitializerSuppported;
358 bool (*cseOk) (iCode *ic, iCode *pdic);
359 builtins *builtintable; /* table of builtin functions */
360 int unqualified_pointer; /* unqualified pointers type is */
361 int reset_labelKey ; /* reset Label no 1 at the start of a function */
362 int globals_allowed ; /* global & static locals not allowed ? 0 ONLY TININative*/
363 #define PORT_MAGIC 0xAC32
364 /** Used at runtime to detect if this structure has been completly filled in. */
371 #if !OPT_DISABLE_MCS51
372 extern PORT mcs51_port;
374 #if !OPT_DISABLE_GBZ80
375 extern PORT gbz80_port;
378 extern PORT z80_port;
381 extern PORT avr_port;
383 #if !OPT_DISABLE_DS390
384 extern PORT ds390_port;
387 extern PORT pic_port;
389 #if !OPT_DISABLE_PIC16
390 extern PORT pic16_port;
392 #if !OPT_DISABLE_TININative
393 extern PORT tininative_port;
395 #if !OPT_DISABLE_XA51
396 extern PORT xa51_port;
398 #if !OPT_DISABLE_DS400
399 extern PORT ds400_port;
401 #if !OPT_DISABLE_HC08
402 extern PORT hc08_port;
405 #endif /* PORT_INCLUDE*/