1 /* SDCCglobl.h - global macros etc required by all files */
11 * Define host port dependant constants etc.
14 #define DOS_DIR_SEPARATOR_CHAR '\\'
15 #define DOS_DIR_SEPARATOR_STRING "\\"
16 #define UNIX_DIR_SEPARATOR_CHAR '/'
17 #define UNIX_DIR_SEPARATOR_STRING "/"
19 #if defined(__BORLANDC__) /* Borland Turbo C/Win32 Host */
21 #define NATIVE_WIN32 1
22 #define DIR_SEPARATOR_CHAR DOS_DIR_SEPARATOR_CHAR
23 #define DIR_SEPARATOR_STRING DOS_DIR_SEPARATOR_STRING
25 #elif defined(_MSC_VER) /* Miscosoft VC6/Win32 Host */
27 #define NATIVE_WIN32 1
29 #define DIR_SEPARATOR_CHAR DOS_DIR_SEPARATOR_CHAR
30 #define DIR_SEPARATOR_STRING DOS_DIR_SEPARATOR_STRING
32 #elif defined(__MINGW32__) /* MINGW32 DOS Host */
34 #define NATIVE_WIN32 1
35 #define DIR_SEPARATOR_CHAR DOS_DIR_SEPARATOR_CHAR
36 #define DIR_SEPARATOR_STRING DOS_DIR_SEPARATOR_STRING
38 #else /* Assume Un*x style system */
41 #define DIR_SEPARATOR_CHAR UNIX_DIR_SEPARATOR_CHAR
42 #define DIR_SEPARATOR_STRING UNIX_DIR_SEPARATOR_STRING
51 #define MAX_FNAME_LEN 128
52 #define MAX_REG_PARMS 1
56 #define max(a,b) (a > b ? a : b)
60 #define min(a,b) (a < b ? a : b)
72 #define CHARSIZE port->s.char_size
73 #define SHORTSIZE port->s.short_size
74 #define INTSIZE port->s.int_size
75 #define LONGSIZE port->s.long_size
76 #define PTRSIZE port->s.ptr_size
77 #define FPTRSIZE port->s.fptr_size
78 #define GPTRSIZE port->s.gptr_size
79 #define BITSIZE port->s.bit_size
80 #define FLOATSIZE port->s.float_size
81 #define MAXBASESIZE port->s.max_base_size
84 #define PRAGMA_SAVE "SAVE"
85 #define PRAGMA_RESTORE "RESTORE"
86 #define PRAGMA_NOINDUCTION "NOINDUCTION"
87 #define PRAGMA_NOINVARIANT "NOINVARIANT"
88 #define PRAGMA_NOLOOPREV "NOLOOPREVERSE"
89 #define PRAGMA_INDUCTION "INDUCTION"
90 #define PRAGMA_STACKAUTO "STACKAUTO"
91 #define PRAGMA_NOJTBOUND "NOJTBOUND"
92 #define PRAGMA_NOGCSE "NOGCSE"
93 #define PRAGMA_NOOVERLAY "NOOVERLAY"
94 #define PRAGMA_CALLEESAVES "CALLEE-SAVES"
95 #define PRAGMA_EXCLUDE "EXCLUDE"
102 #define INITIAL_INLINEASM 4*1024
103 #define DEFPOOLSTACK(type,size) \
105 type *type##FreeStack [size] ; \
106 int type##StackPtr = 0 ;
108 #define PUSH(x,y) x##FreeStack[x##StackPtr++] = y
109 #define PEEK(x) x##FreeStack[x##StackPtr-1]
110 #define POP(type) type##FreeStack[--type##StackPtr]
111 /* #define POP(x) (x##StackPtr ? x##FreeStack[--x##StackPtr] : \
112 (assert(x##StackPtr),0)) */
114 #define EMPTY(x) (x##StackPtr <= 1 ? 1 : 0)
116 #define EMPTY(x) (x##StackPtr == 0 ? 1 : 0)
120 #define COPYTYPE(start,end,from) (end = getSpec (start = from))
123 /* generalpurpose stack related macros */
124 #define STACK_DCL(stack,type,size) \
125 typedef type t_##stack ; \
126 t_##stack stack[size] ; \
127 t_##stack (*p_##stack) = stack + (size); \
129 /* define extern stack */
130 #define EXTERN_STACK_DCL(stack,type,size) \
131 typedef type t_##stack ; \
132 extern t_##stack stack[size] ; \
133 extern t_##stack *p_##stack;
135 #define STACK_FULL(stack) ((p_##stack) <= stack )
136 #define STACK_EMPTY(stack) ((p_##stack) >= (stack + \
137 sizeof(stack)/sizeof(*stack)) )
139 #define STACK_PUSH_(stack,x) (*--p_##stack = (x))
140 #define STACK_POP_(stack) (*p_##stack++)
142 #define STACK_PUSH(stack,x) (STACK_FULL(stack) \
143 ?((t_##stack)(long)(STACK_ERR(1))) \
144 : STACK_PUSH_(stack,x) )
146 #define STACK_POP(stack) (STACK_EMPTY(stack) \
147 ?((t_##stack)(long)(STACK_ERR(0))) \
148 : STACK_POP_(stack) )
150 #define STACK_PEEK(stack) (STACK_EMPTY(stack) \
151 ?((t_##stack) NULL) \
154 #define STACK_ERR(o) ( o \
155 ? fprintf(stderr,"stack Overflow\n")\
156 : fprintf(stderr,"stack underflow\n"))
158 /* optimization options */
162 unsigned ptrArithmetic;
167 unsigned loopInvariant;
168 unsigned loopInduction;
169 unsigned noJTabBoundary;
170 unsigned noLoopReverse;
174 Used in options.model.A bit each as port.supported_models is an OR
186 /* other command line options */
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 genericPtr; /* use generic pointers */
194 int dump_raw; /* dump after intermediate code generation */
195 int dump_gcse; /* dump after gcse */
196 int dump_loop; /* dump after loop optimizations */
197 int dump_kill; /* dump after dead code elimination */
198 int dump_range; /* dump after live range analysis */
199 int dump_pack; /* dump after register packing */
200 int dump_rassgn; /* dump after register assignment */
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 nopeep; /* no peep hole optimization */
209 int asmpeep; /* pass inline assembler thru peep hole */
210 int debug; /* generate extra debug info */
211 int stackOnData; /* stack after data segment */
212 int c1mode; /* Act like c1 - no pre-proc, asm or link */
213 char *peep_file; /* additional rules for peep hole */
214 char *out_name; /* Asm output name for c1 mode */
215 int nostdlib; /* Don't use standard lib files */
216 int nostdinc; /* Don't use standard include files */
217 int noRegParams; /* Disable passing some parameters in registers */
218 int verbose; /* Show what the compiler is doing */
219 int shortis8bits; /* treat short like int or char */
220 int profile; /* Turn on extra profiling information */
221 char *calleeSaves[128]; /* list of functions using callee save */
222 char *excludeRegs[32]; /* registers excluded from saving */
224 /* starting address of the segments */
225 int xstack_loc; /* initial location of external stack */
226 int stack_loc; /* initial value of internal stack pointer */
227 int xdata_loc; /* xternal ram starts at address */
228 int data_loc; /* interram start location */
229 int idata_loc; /* indirect address space */
230 int code_loc; /* code location start */
231 int iram_size; /* internal ram size (used only for error checking) */
234 /* forward definition for variables accessed globally */
235 extern int noAssemble; /* no assembly, stop after code generation */
237 extern char *currFname;
238 extern char *srcFileName; /* source file name without the extenstion */
239 extern char *moduleName; /* source file name without path & extension */
240 extern int currLineno; /* current line number */
241 extern int yylineno; /* line number of the current file SDCC.lex */
242 extern FILE *yyin; /* */
243 extern FILE *asmFile; /* assembly output file */
244 extern FILE *cdbFile; /* debugger symbol file */
245 extern int NestLevel; /* NestLevel SDCC.y */
246 extern int stackPtr; /* stack pointer SDCC.y */
247 extern int xstackPtr; /* external stack pointer SDCC.y */
248 extern int reentrant; /* /X flag has been sent SDCC.y */
249 extern char buffer[]; /* general buffer SDCCgen.c */
250 extern int currRegBank; /* register bank being used SDCCgens.c */
251 extern struct symbol *currFunc; /* current function SDCCgens.c */
252 extern int cNestLevel; /* block nest level SDCCval.c */
253 extern int currBlockno; /* sequentail block number */
254 extern struct optimize optimize;
255 extern struct options options;
256 extern unsigned maxInterrupts;
258 /* Visible from SDCCmain.c */
259 extern int nrelFiles;
260 extern char *relFiles[128];
261 extern char *libFiles[128];
262 extern int nlibFiles;
263 extern char *libPaths[128];
264 extern int nlibPaths;
266 extern bool verboseExec ;
268 void parseWithComma (char **, char *);
270 /** Creates a temporary file a'la tmpfile which avoids the bugs
271 in cygwin wrt c:\tmp.
272 Scans, in order: TMP, TEMP, TMPDIR, else uses tmpfile().
274 FILE *tempfile (void);
276 /** Creates a duplicate of the string 'sz' a'la strdup but using
279 char *gc_strdup (const char *sz);
281 /** An assert() macro that will go out through sdcc's error
284 #define wassertl(a,s) ((a) ? 0 : \
285 (werror (E_INTERNAL_ERROR,__FILE__,__LINE__, s), 0))
287 #define wassert(a) wassertl(a,"code generator internal error")
290 #define DUMP_RAW1 DUMP_RAW0+1
291 #define DUMP_CSE DUMP_RAW1+1
292 #define DUMP_DFLOW DUMP_CSE+1
293 #define DUMP_GCSE DUMP_DFLOW+1
294 #define DUMP_DEADCODE DUMP_GCSE+1
295 #define DUMP_LOOP DUMP_DEADCODE+1
296 #define DUMP_LOOPG DUMP_LOOP+1
297 #define DUMP_LOOPD DUMP_LOOPG+1
298 #define DUMP_RANGE DUMP_LOOPD+1
299 #define DUMP_PACK DUMP_RANGE+1
300 #define DUMP_RASSGN DUMP_PACK+1
301 #define DUMP_LRANGE DUMP_RASSGN+1
309 extern struct _dumpFiles dumpFiles[];
311 /* Buffer which can be used to hold a file name; assume it will
312 * be trashed by any function call within SDCC.
314 extern char scratchFileName[FILENAME_MAX];