-typedef struct {
- /** Target name used for -m */
- const char *target;
- /** Target name string, used for --help */
- const char *target_name;
- struct {
- /** Command to run (eg as-z80) */
- const char *exec_name;
- /** Arguments for debug mode */
- const char *debug_opts;
- /** Arguments for normal assembly mode */
- const char *plain_opts;
- /** TRUE if the output file name should be pre-pended to the args */
- bool requires_output_name;
- } assembler;
- struct {
- /** Command to run (eg link-z80) */
- const char *exec_name;
- } linker;
- /** Basic type sizes */
- struct {
- int char_size;
- int short_size;
- int int_size;
- int long_size;
- int ptr_size;
- int fptr_size;
- int gptr_size;
- int bit_size;
- int float_size;
- int max_base_size;
- } s;
- struct {
- /** -1 for grows down (z80), +1 for grows up (mcs51) */
- int direction;
- /** Extra overhead when calling between banks */
- int bank_overhead;
- /** Extra overhead when the function is an ISR */
- int isr_overhead;
- /** Standard overhead for a function call */
- int call_overhead;
- /** Initial SP offset */
- int start_sp;
- } stack;
- struct {
- /** 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;
- } muldiv;
- /** Parses one option + its arguments */
- bool (*parseOption)(int *pargc, char **argv);
- /** Called after all the options have been parsed. */
- void (*finaliseOptions)(void);
+typedef struct
+ {
+/** Unique id for this target */
+ const int id;
+/** Target name used for -m */
+ const char * const target;
+
+/** Target name string, used for --help */
+ const char * const target_name;
+
+/** Specific processor for the given target family. specified by -p */
+ char *processor;
+
+ struct
+ {
+ /** Pointer to glue function */
+ void (*do_glue)(void);
+ /** TRUE if all types of glue functions should be inserted 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 and arguments (eg as-z80) */
+ const char **cmd;
+ /** Alternate macro based form. */
+ const char *mcmd;
+ /** Arguments for debug mode. */
+ const char *debug_opts;
+ /** Arguments for normal assembly mode. */
+ const char *plain_opts;
+ /* print externs as global */
+ int externGlobal;
+ /* assembler file extension */
+ const char *file_ext;
+ /** If non-null will be used to execute the assembler. */
+ void (*do_assemble) (set *);
+ }
+ assembler;
+
+ /* linker related info */
+ struct
+ {
+ /** Command to run (eg link-z80) */
+ const char **cmd;
+ /** Alternate macro based form. */
+ const char *mcmd;
+ /** If non-null will be used to execute the link. */
+ void (*do_link) (void);
+ /** Extension for object files (.rel, .obj, ...) */
+ const char *rel_ext;
+ /** 1 if port needs the .lnk file, 0 otherwise */
+ const int needLinkerScript;
+ }
+ linker;
+
+ struct
+ {
+/** Default peephole rules */
+ char *default_rules;
+ int (*getSize)(lineNode *line);
+ bitVect * (*getRegsRead)(lineNode *line);
+ bitVect * (*getRegsWritten)(lineNode *line);
+ bool (*deadMove) (const char *reg, lineNode *currPl, lineNode *head);
+ bool (*notUsed) (const char *reg, lineNode *currPl, lineNode *head);
+ }
+ peep;
+
+/** Basic type sizes */
+ struct
+ {
+ int char_size;
+ int short_size;
+ unsigned int int_size;
+ int long_size;
+ int ptr_size; //near
+ int fptr_size; //far
+ int gptr_size; //generic
+ int bit_size;
+ int float_size;
+ int max_base_size;
+ }
+ s;
+
+/** tags for far, near, xstack, code generic pointers */
+ struct
+ {
+ int tag_far;
+ int tag_near;
+ int tag_xstack;
+ int tag_code;
+ }
+ gp_tags;
+
+/** memory regions related stuff */
+ struct
+ {
+ const char * const xstack_name;
+ const char * const istack_name;
+ /*
+ * The following 2 items can't be const pointers
+ * due to ugly implementation in z80 target;
+ * this should be fixed in src/z80/main.c (borutr)
+ */
+ const char *code_name;
+ const char *data_name;
+ const char * const idata_name;
+ const char * const pdata_name;
+ const char * const xdata_name;
+ const char * const bit_name;
+ const char * const reg_name;
+ const char * const static_name;
+ const char * const overlay_name;
+ const char * const post_static_name;
+ const char * const home_name;
+ const char * const xidata_name; // initialized xdata
+ const char * const xinit_name; // a code copy of xidata
+ const char * const const_name; // const data (code or not)
+ const char * const cabs_name; // const absolute data (code or not)
+ const char * const xabs_name; // absolute xdata/pdata
+ const char * const iabs_name; // absolute idata/data
+ 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;
+
+ struct
+ {
+ void (*genExtraAreaDeclaration)(FILE *, bool);
+ void (*genExtraAreaLinkOptions)(FILE *);
+ }
+ extraAreas;
+
+ /* stack related information */
+ struct
+ {
+/** -1 for grows down (z80), +1 for grows up (mcs51) */
+ int direction;
+/** Extra overhead when calling between banks */
+ int bank_overhead;
+/** Extra overhead when the function is an ISR */
+ int isr_overhead;
+/** Standard overhead for a function call */
+ 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 natively
+ Eg if the processor has an 8 bit mul, native below is 2 */
+ unsigned muldiv;
+ unsigned shift;
+ }
+ support;
+
+ struct
+ {
+ void (*emitDebuggerSymbol) (char *);
+ struct
+ {
+ int (*regNum) (struct regs *);
+ bitVect * cfiSame;
+ bitVect * cfiUndef;
+ int addressSize;
+ int regNumRet;
+ int regNumSP;
+ int regNumBP;
+ int offsetSP;
+ }
+ dwarf;
+ }
+ debugger;
+
+ struct
+ {
+ int maxCount;
+ int sizeofElement;
+ int sizeofMatchJump[3];
+ int sizeofRangeCompare[3];
+ int sizeofSubtract;
+ int sizeofDispatch;
+ }
+ jumptableCost;
+
+/** 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 variables.
+ 'port' is set before calling this. May be NULL.
+ */
+ void (*init) (void);
+/** Parses one option + its arguments */
+ bool (*parseOption) (int *pargc, char **argv, int *i);
+/** Optional list of automatically parsed options. Should be
+ implemented to at least show the help text correctly. */
+ OPTION *poptions;
+/** Initialise port spectific paths */
+ void (*initPaths)(void);
+/** Called after all the options have been parsed. */
+ void (*finaliseOptions) (void);