1 /* SDCCglobl.h - global macros etc required by all files */
16 * Define host port dependant constants etc.
19 #define UNIX_DIR_SEPARATOR_CHAR '/'
21 #ifdef _WIN32 /* WIN32 native */
23 # define NATIVE_WIN32 1
24 # ifdef __MINGW32__ /* GCC MINGW32 depends on configure */
25 # include "sdccconf.h"
28 # define PATH_MAX _MAX_PATH
31 #else /* Assume Un*x style system */
32 # include "sdccconf.h"
40 #include <limits.h> /* PATH_MAX */
41 #ifndef PATH_MAX /* POSIX, but not required */
42 # define PATH_MAX 255 /* define a reasonable value */
45 #define MAX_REG_PARMS 1
49 # define max(a,b) (a > b ? a : b)
53 # define min(a,b) (a < b ? a : b)
65 #define CHARSIZE port->s.char_size
66 #define SHORTSIZE port->s.short_size
67 #define INTSIZE port->s.int_size
68 #define LONGSIZE port->s.long_size
69 #define PTRSIZE port->s.ptr_size
70 #define FPTRSIZE port->s.fptr_size
71 #define GPTRSIZE port->s.gptr_size
72 #define BITSIZE port->s.bit_size
73 #define FLOATSIZE port->s.float_size
74 #define MAXBASESIZE port->s.max_base_size
82 #define INITIAL_INLINEASM 4*1024
83 #define DEFPOOLSTACK(type,size) \
85 type *type##FreeStack [size] ; \
86 int type##StackPtr = 0 ;
88 #define PUSH(x,y) x##FreeStack[x##StackPtr++] = y
89 #define PEEK(x) x##FreeStack[x##StackPtr-1]
90 #define POP(type) type##FreeStack[--type##StackPtr]
91 /* #define POP(x) (x##StackPtr ? x##FreeStack[--x##StackPtr] : \
92 (assert(x##StackPtr),0)) */
94 #define EMPTY(x) (x##StackPtr <= 1 ? 1 : 0)
96 #define EMPTY(x) (x##StackPtr == 0 ? 1 : 0)
100 #define COPYTYPE(start,end,from) (end = getSpec (start = from))
103 /* general purpose stack related macros */
104 #define STACK_DCL(stack,type,size) \
105 typedef type t_##stack ; \
106 t_##stack stack[size] ; \
107 t_##stack (*p_##stack) = stack;
109 /* define extern stack */
110 #define EXTERN_STACK_DCL(stack,type,size) \
111 typedef type t_##stack ; \
112 extern t_##stack stack[size] ; \
113 extern t_##stack *p_##stack;
115 #define STACK_EMPTY(stack) ((p_##stack) <= stack )
116 #define STACK_FULL(stack) ((p_##stack) >= (stack + \
117 sizeof(stack)/sizeof(*stack)) )
119 #define STACK_PUSH_(stack, x) (*++p_##stack = (x))
120 #define STACK_POP_(stack) (*p_##stack--)
122 #define STACK_PUSH(stack, x) (STACK_FULL(stack) \
123 ? (STACK_ERR(1, stack), *p_##stack) \
124 : STACK_PUSH_(stack,x) )
126 #define STACK_POP(stack) (STACK_EMPTY(stack) \
127 ? (STACK_ERR(-1, stack), *p_##stack) \
128 : STACK_POP_(stack) )
130 #define STACK_PEEK(stack) (STACK_EMPTY(stack) \
131 ? (STACK_ERR(0, stack), *p_##stack) \
134 #define STACK_ERR(o, stack) (fatal(1, E_STACK_VIOLATION, #stack, \
141 /* optimization options */
143 * cloneOptimize function in SDCC.lex should be updated every time
144 * a new set is added to the optimize structure!
149 unsigned ptrArithmetic;
154 unsigned loopInvariant;
155 unsigned loopInduction;
156 unsigned noJTabBoundary;
157 unsigned noLoopReverse;
161 Used in options.model.A bit each as port.supported_models is an OR
171 MODEL_PAGE0 = 32 /* for the xa51 port */
174 /* overlay segment name and the functions
175 that belong to it. used by pragma overlay */
177 char *osname; /* overlay segment name */
178 int nfuncs; /* number of functions in this overlay */
179 char *funcs[128]; /* function name that belong to this */
182 /* other command line options */
184 * cloneOptions function in SDCC.lex should be updated every time
185 * a new set is added to the options structure!
189 int model; /* see MODEL_* defines above */
190 int stackAuto; /* Stack Automatic */
191 int useXstack; /* use Xternal Stack */
192 int stack10bit; /* use 10 bit stack (flat24 model only) */
193 int dump_raw; /* dump after intermediate code generation */
194 int dump_gcse; /* dump after gcse */
195 int dump_loop; /* dump after loop optimizations */
196 int dump_kill; /* dump after dead code elimination */
197 int dump_range; /* dump after live range analysis */
198 int dump_pack; /* dump after register packing */
199 int dump_rassgn; /* dump after register assignment */
200 int dump_tree; /* dump front-end tree before lowering to iCode */
201 int cc_only; /* compile only flag */
202 int intlong_rent; /* integer & long support routines reentrant */
203 int float_rent; /* floating point routines are reentrant */
204 int out_fmt; /* 1 = motorola S19 format 0 = intel Hex format */
205 int cyclomatic; /* print cyclomatic information */
206 int noOverlay; /* don't overlay local variables & parameters */
207 int mainreturn; /* issue a return after main */
208 int xram_movc; /* use movc instead of movx to read xram (mcs51) */
209 int nopeep; /* no peep hole optimization */
210 int asmpeep; /* pass inline assembler thru peep hole */
211 int debug; /* generate extra debug info */
212 int c1mode; /* Act like c1 - no pre-proc, asm or link */
213 char *peep_file; /* additional rules for peep hole */
214 int nostdlib; /* Don't use standard lib files */
215 int nostdinc; /* Don't use standard include files */
216 int noRegParams; /* Disable passing some parameters in registers */
217 int verbose; /* Show what the compiler is doing */
218 int shortis8bits; /* treat short like int or char */
219 int lessPedantic; /* disable some warnings */
220 int profile; /* Turn on extra profiling information */
221 int ommitFramePtr; /* Turn off the frame pointer. */
222 int useAccelerator; /* use ds390 Arithmetic Accelerator */
223 int noiv; /* do not generate irq vector table entries */
224 int all_callee_saves; /* callee saves for all functions */
225 int stack_probe; /* insert call to function __stack_probe */
226 int tini_libid; /* library ID for TINI */
227 int protect_sp_update; /* DS390 - will disable interrupts during ESP:SP updates */
228 int parms_in_bank1; /* DS390 - use reg bank1 to pass parameters */
229 int stack_size; /* MCS51/DS390 - Tells the linker to allocate this space for stack */
230 int pack_iram; /* MCS51/DS390 - Tells the linker to pack variables in internal ram */
231 /* starting address of the segments */
232 int xstack_loc; /* initial location of external stack */
233 int stack_loc; /* initial value of internal stack pointer */
234 int xdata_loc; /* xternal ram starts at address */
235 int data_loc; /* interram start location */
236 int idata_loc; /* indirect address space */
237 int code_loc; /* code location start */
238 int iram_size; /* internal ram size (used only for error checking) */
239 int xram_size; /* external ram size (used only for error checking) */
240 bool xram_size_set; /* since xram_size=0 is a possibility */
241 int code_size; /* code size (used only for error checking) */
242 int verboseExec; /* show what we are doing */
243 int noXinitOpt; /* don't optimize initialized xdata */
244 int noCcodeInAsm; /* hide c-code from asm */
245 int iCodeInAsm; /* show i-code in asm */
246 int noPeepComments; /* hide peephole optimizer comments */
247 int printSearchDirs; /* display the directories in the compiler's search path */
248 int vc_err_style; /* errors and warnings are compatible with Micro$oft visual studio */
249 int use_stdout; /* send errors to stdout instead of stderr */
250 int no_std_crt0; /*For the z80/gbz80 do not link default crt0.o*/
252 set *calleeSavesSet; /* list of functions using callee save */
253 set *excludeRegsSet; /* registers excluded from saving */
254 /* set *olaysSet; * not implemented yet: overlay segments used in #pragma OVERLAY */
257 /* forward definition for variables accessed globally */
258 extern int noAssemble; /* no assembly, stop after code generation */
260 extern char *currFname;
261 extern char *fullSrcFileName; /* full name for the source file; */
262 /* can be NULL while linking without compiling */
263 extern char *fullDstFileName; /* full name for the output file; */
264 /* only given by -o, otherwise NULL */
265 extern char *dstFileName; /* destination file name without extension */
266 extern char *dstPath; /* path for the output files; */
267 /* "" is equivalent with cwd */
268 extern char *moduleName; /* module name is source file without path and extension */
269 /* can be NULL while linking without compiling */
270 extern int seqPointNo; /* current sequence point */
271 extern int currLineno; /* current line number */
272 extern int mylineno; /* line number of the current file SDCC.lex */
273 extern FILE *yyin; /* */
274 extern FILE *asmFile; /* assembly output file */
275 extern FILE *cdbFile; /* debugger symbol file */
276 extern int NestLevel; /* NestLevel SDCC.y */
277 extern int stackPtr; /* stack pointer SDCC.y */
278 extern int xstackPtr; /* external stack pointer SDCC.y */
279 extern int reentrant; /* /X flag has been sent SDCC.y */
280 extern char buffer[PATH_MAX * 2];/* general buffer SDCCmain.c */
281 extern int currRegBank; /* register bank being used SDCCgens.c */
282 extern int RegBankUsed[4]; /* JCF: register banks used SDCCmain.c */
283 extern struct symbol *currFunc; /* current function SDCCgens.c */
284 extern int cNestLevel; /* block nest level SDCCval.c */
285 extern int currBlockno; /* sequentail block number */
286 extern struct optimize optimize;
287 extern struct options options;
288 extern unsigned maxInterrupts;
289 extern int ignoreTypedefType;
291 /* Visible from SDCCmain.c */
292 extern set *preArgvSet;
293 extern set *relFilesSet;
294 extern set *libFilesSet;
295 extern set *libPathsSet;
296 extern set *libDirsSet; /* list of lib search directories */
298 void setParseWithComma (set **, char *);
300 /** Creates a temporary file a'la tmpfile which avoids the bugs
301 in cygwin wrt c:\tmp.
302 Scans, in order: TMP, TEMP, TMPDIR, else uses tmpfile().
304 FILE *tempfile (void);
306 /** Creates a temporary file name a'la tmpnam which avoids the bugs
307 in cygwin wrt c:\tmp.
308 Scans, in order: TMP, TEMP, TMPDIR, else uses tmpfile().
310 char *tempfilename (void);
312 /** An assert() macro that will go out through sdcc's error
315 #define wassertl(a,s) ((a) ? 0 : \
316 (werror (E_INTERNAL_ERROR,__FILE__,__LINE__, s), 0))
318 #define wassert(a) wassertl(a,"code generator internal error")
321 #define DUMP_RAW1 DUMP_RAW0+1
322 #define DUMP_CSE DUMP_RAW1+1
323 #define DUMP_DFLOW DUMP_CSE+1
324 #define DUMP_GCSE DUMP_DFLOW+1
325 #define DUMP_DEADCODE DUMP_GCSE+1
326 #define DUMP_LOOP DUMP_DEADCODE+1
327 #define DUMP_LOOPG DUMP_LOOP+1
328 #define DUMP_LOOPD DUMP_LOOPG+1
329 #define DUMP_RANGE DUMP_LOOPD+1
330 #define DUMP_PACK DUMP_RANGE+1
331 #define DUMP_RASSGN DUMP_PACK+1
332 #define DUMP_LRANGE DUMP_RASSGN+1
340 extern struct _dumpFiles dumpFiles[];
342 /* Buffer which can be used to hold a file name; assume it will
343 * be trashed by any function call within SDCC.
345 extern char scratchFileName[PATH_MAX];
347 /* Define well known filenos if the system does not define them. */
349 # define STDIN_FILENO 0
351 #ifndef STDOUT_FILENO
352 # define STDOUT_FILENO 1
354 #ifndef STDERR_FILENO
355 # define STDERR_FILENO 2