2 Definitions for what a port must provide.
3 All ports are referenced in SDCCmain.c.
10 #define TARGET_ID_MCS51 1
11 #define TARGET_ID_GBZ80 2
12 #define TARGET_ID_Z80 3
13 #define TARGET_ID_AVR 4
14 #define TARGET_ID_DS390 5
15 #define TARGET_ID_PIC 6
16 #define TARGET_ID_I186 7
17 #define TARGET_ID_TLCS900H 8
18 #define TARGET_ID_XA51 9
20 /* Macro to test the target we are compiling for.
21 Can only be used after SDCCmain has defined the port
23 #define TARGET_IS_MCS51 (port->id==TARGET_ID_MCS51)
24 #define TARGET_IS_GBZ80 (port->id==TARGET_ID_GBZ80)
25 #define TARGET_IS_Z80 (port->id==TARGET_ID_Z80)
26 #define TARGET_IS_AVR (port->id==TARGET_ID_AVR)
27 #define TARGET_IS_DS390 (port->id==TARGET_ID_DS390)
28 #define TARGET_IS_PIC (port->id==TARGET_ID_PIC)
29 #define TARGET_IS_I186 (port->id==TARGET_ID_I186)
30 #define TARGET_IS_TCLS900H (port->id==TARGET_ID_TCLS900H)
32 #define MAX_BUILTIN_ARGS 16
33 /* definition of builtin functions */
34 typedef struct builtins
36 char *name ; /* name of builtin function */
37 char *rtype; /* return type as string : see typefromStr */
38 int nParms; /* number of parms : max 8 */
39 char *parm_types[MAX_BUILTIN_ARGS]; /* each parm type as string : see typeFromStr */
42 /* Processor specific names */
45 /** Unique id for this target */
47 /** Target name used for -m */
50 /** Target name string, used for --help */
51 const char *target_name;
55 /** TRUE if all types of glue functions should be inserted into
56 the file that also defines main.
57 We dont want this in cases like the z80 where the startup
58 code is provided by a seperate module.
67 /* assembler related information */
70 /** Command to run and arguments (eg as-z80) */
72 /** Alternate macro based form. */
74 /** Arguments for debug mode. */
75 const char *debug_opts;
76 /** Arguments for normal assembly mode. */
77 const char *plain_opts;
78 /* print externs as global */
80 /* assembler file extension */
85 /* linker related info */
88 /** Command to run (eg link-z80) */
90 /** Alternate macro based form. */
92 /** If non-null will be used to execute the link. */
93 void (*do_link) (void);
94 /** Extention for object files (.rel, .obj, ...) */
101 /** Default peephole rules */
106 /** Basic type sizes */
122 /** memory regions related stuff */
125 const char *xstack_name;
126 const char *istack_name;
127 const char *code_name;
128 const char *data_name;
129 const char *idata_name;
130 const char *xdata_name;
131 const char *bit_name;
132 const char *reg_name;
133 const char *static_name;
134 const char *overlay_name;
135 const char *post_static_name;
136 const char *home_name;
137 struct memmap *default_local_map; /* default location for auto vars */
138 struct memmap *default_globl_map; /* default location for globl vars */
139 int code_ro; /* code space read-only 1=yes */
143 /* stack related information */
146 /** -1 for grows down (z80), +1 for grows up (mcs51) */
148 /** Extra overhead when calling between banks */
150 /** Extra overhead when the function is an ISR */
152 /** Standard overhead for a function call */
154 /** Re-enterant space */
156 /** 'banked' call overhead.
157 Mild overlap with bank_overhead */
164 /** One more than the smallest
165 mul/div operation the processor can do nativley
166 Eg if the processor has an 8 bit mul, nativebelow is 2 */
172 /** Prefix to add to a C function (eg "_") */
173 const char *fun_prefix;
175 /** Called once the processor target has been selected.
176 First chance to initalise and set any port specific variables.
177 'port' is set before calling this. May be NULL.
180 /** Parses one option + its arguments */
181 bool (*parseOption) (int *pargc, char **argv, int *i);
182 /** Called after all the options have been parsed. */
183 void (*finaliseOptions) (void);
184 /** Called after the port has been selected but before any
185 options are parsed. */
186 void (*setDefaultOptions) (void);
187 /** Does the dirty work. */
188 void (*assignRegisters) (struct eBBlock **, int);
190 /** Returns the register name of a symbol.
191 Used so that 'regs' can be an incomplete type. */
192 const char *(*getRegName) (struct regs * reg);
194 /* list of keywords that are used by this
195 target (used by lexer) */
198 /* Write any port specific assembler output. */
199 void (*genAssemblerPreamble) (FILE * of);
201 /* Write the port specific IVT. If genIVT is NULL or if
202 * it returns zero, default (8051) IVT generation code
205 int (*genIVT) (FILE * of, symbol ** intTable, int intCount);
208 /* parameter passing in register related functions */
209 void (*reset_regparms) (); /* reset the register count */
210 int (*reg_parm) (struct sym_link *); /* will return 1 if can be passed in register */
212 /** Process the pragma string 'sz'. Returns 0 if recognised and
213 processed, 1 otherwise. May be NULL.
215 int (*process_pragma) (const char *sz);
217 /** Mangles a support function name to reflect the calling model.
219 char *(*getMangledFunctionName) (char *szOrginial);
221 /** Returns true if the port can multiply the two types nativly
222 without using support functions.
224 bool (*hasNativeMulFor) (iCode *ic, sym_link *left, sym_link *right);
226 /** If TRUE, then tprintf and !dw will be used for some initalisers
228 bool use_dw_for_init;
230 /* condition transformations */
231 bool lt_nge; /* transform (a < b) to !(a >= b) */
232 bool gt_nle; /* transform (a > b) to !(a <= b) */
233 bool le_ngt; /* transform (a <= b) to !(a > b) */
234 bool ge_nlt; /* transform (a >= b) to !(a < b) */
235 bool ne_neq; /* transform a != b --> ! (a == b) */
236 bool eq_nne; /* transform a == b --> ! (a != b) */
238 bool arrayInitializerSuppported;
240 bool (*cseOk) (iCode *ic, iCode *pdic);
241 builtins *builtintable; /* table of builtin functions */
242 #define PORT_MAGIC 0xAC32
243 /** Used at runtime to detect if this structure has been completly filled in. */
250 #if !OPT_DISABLE_MCS51
251 extern PORT mcs51_port;
253 #if !OPT_DISABLE_GBZ80
254 extern PORT gbz80_port;
257 extern PORT z80_port;
260 extern PORT avr_port;
262 #if !OPT_DISABLE_DS390
263 extern PORT ds390_port;
266 extern PORT pic_port;
268 #if !OPT_DISABLE_I186
269 extern PORT i186_port;
271 #if !OPT_DISABLE_TLCS900H
272 extern PORT tlcs900h_port;
275 #endif /* PORT_INCLUDE*/