typedef struct {
/** Target name used for -m */
const char *target;
+
/** Target name string, used for --help */
const char *target_name;
+
+ struct {
+ /** TRUE if all types of glue functions should be inseted into
+ the file that also defines main.
+ We dont want this in cases like the z80 where the startup
+ code is provided by a seperate module.
+ */
+ bool glue_up_main;
+ /* OR of MODEL_* */
+ int supported_models;
+ int default_model;
+ } general;
+
+ /* assembler related information */
struct {
- /** Command to run (eg as-z80) */
- const char *exec_name;
- /** Arguments for debug mode */
+ /** Command to run and arguments (eg as-z80) */
+ const char **cmd;
+ /** Arguments for debug mode. PENDING: ignored */
const char *debug_opts;
- /** Arguments for normal assembly mode */
+ /** Arguments for normal assembly mode. PENDING: ignored */
const char *plain_opts;
- /** TRUE if the output file name should be pre-pended to the args */
- bool requires_output_name;
+ /* print externs as global */
+ int externGlobal;
} assembler;
+
+ /* linker related info */
struct {
/** Command to run (eg link-z80) */
- const char *exec_name;
+ const char **cmd;
+ /** If non-null will be used to execute the link. */
+ void (*do_link)(void);
+ /** Extention for object files (.rel, .obj, ...) */
+ const char *rel_ext;
} linker;
+
+ struct {
+ /** Default peephole rules */
+ char *default_rules;
+ } peep;
+
/** Basic type sizes */
struct {
int char_size;
int float_size;
int max_base_size;
} s;
- /** Names for all the memory regions */
+
+ /** memory regions related stuff */
struct {
const char *xstack_name;
const char *istack_name;
const char *reg_name;
const char *static_name;
const char *overlay_name;
+ const char *post_static_name;
+ const char *home_name;
+ struct memmap *default_local_map ; /* default location for auto vars */
+ struct memmap *default_globl_map ; /* default location for globl vars*/
+ int code_ro; /* code space read-only 1=yes */
} mem;
+
+ /* stack related information */
struct {
/** -1 for grows down (z80), +1 for grows up (mcs51) */
int direction;
int call_overhead;
/** Re-enterant space */
int reent_overhead;
-
+ /** 'banked' call overhead.
+ Mild overlap with bank_overhead */
+ int banked_overhead;
} stack;
+
struct {
- /** One more than the smallest mul/div operation the processor can do nativley
+ /** One more than the smallest
+ mul/div operation the processor can do nativley
Eg if the processor has an 8 bit mul, nativebelow is 2 */
- int nativebelow;
+ int native_below;
+ /** The mul/div/mod functions will be made to use regparams
+ for sizeof(param) < log2(force_reg)
+ i.e. Use 2 for WORD and BYTE, 0 for none. */
+ int force_reg_param_below;
} muldiv;
+
+ /** Prefix to add to a C function (eg "_") */
+ const char *fun_prefix;
+
+ /** Called once the processor target has been selected.
+ First chance to initalise and set any port specific varibles.
+ 'port' is set before calling this. May be NULL.
+ */
+ void (*init)(void);
/** Parses one option + its arguments */
- bool (*parseOption)(int *pargc, char **argv);
+ bool (*parseOption)(int *pargc, char **argv, int *i);
/** Called after all the options have been parsed. */
void (*finaliseOptions)(void);
/** Called after the port has been selected but before any
options are parsed. */
void (*setDefaultOptions)(void);
/** Does the dirty work. */
- void (*assignRegisters)(eBBlock **, int);
+ void (*assignRegisters)(struct eBBlock **, int);
+
/** Returns the register name of a symbol.
Used so that 'regs' can be an incomplete type. */
const char *(*getRegName)(struct regs *reg);
+
+ /* list of keywords that are used by this
+ target (used by lexer) */
+ char **keywords;
+
+ /* Write any port specific assembler output. */
+ void (*genAssemblerPreamble)(FILE *of);
+
+ /* Write the port specific IVT. If genIVT is NULL or if
+ * it returns zero, default (8051) IVT generation code
+ * will be used.
+ */
+ int (*genIVT)(FILE *of, symbol **intTable, int intCount);
+
+
+ /* parameter passing in register related functions */
+ void (*reset_regparms)(); /* reset the register count */
+ int (*reg_parm)(struct link *); /* will return 1 if can be passed in register */
+
+ /** Process the pragma string 'sz'. Returns 0 if recognised and
+ processed, 1 otherwise. May be NULL.
+ */
+ int (*process_pragma)(const char *sz);
+
+ /** If TRUE, then tprintf and !dw will be used for some initalisers
+ */
+ bool use_dw_for_init;
+
+ /* condition transformations */
+ bool lt_nge ; /* transform (a < b) to !(a >= b) */
+ bool gt_nle ; /* transform (a > b) to !(a <= b) */
+ bool le_ngt ; /* transform (a <= b) to !(a > b) */
+ bool ge_nlt ; /* transform (a >= b) to !(a < b) */
+ bool ne_neq ; /* transform a != b --> ! (a == b) */
+ bool eq_nne ; /* transform a == b --> ! (a != b) */
} PORT;
extern PORT *port;
+#if !OPT_DISABLE_MCS51
+extern PORT mcs51_port;
#endif
+#if !OPT_DISABLE_GBZ80
+extern PORT gbz80_port;
+#endif
+#if !OPT_DISABLE_Z80
+extern PORT z80_port;
+#endif
+#if !OPT_DISABLE_AVR
+extern PORT avr_port;
+#endif
+#if !OPT_DISABLE_DS390
+extern PORT ds390_port;
+#endif
+
+/* Test to see if we are current compiling in DS390 mode. */
+#define IS_MCS51_PORT (port == &mcs51_port)
+#define IS_GBZ80_PORT (port == &gbz80_port)
+#define IS_Z80_PORT (port == &z80_port)
+#define IS_AVR_PORT (port == &avr_port)
+#define IS_DS390_PORT (port == &ds390_port)
+#endif
projects / fw / sdcc / blobdiff