1 ;/* SDCCglobl.h - global macros etc required by all files */
13 # include "sdccconf.h"
19 # define NATIVE_WIN32 1
23 #define NATIVE_WIN32 1
27 #define NATIVE_WIN32 1
33 #define MAX_FNAME_LEN 128
34 #define MAX_REG_PARMS 1
38 #define max(a,b) (a > b ? a : b)
42 #define min(a,b) (a < b ? a : b)
54 #define CHARSIZE port->s.char_size
55 #define SHORTSIZE port->s.short_size
56 #define INTSIZE port->s.int_size
57 #define LONGSIZE port->s.long_size
58 #define PTRSIZE port->s.ptr_size
59 #define FPTRSIZE port->s.fptr_size
60 #define GPTRSIZE port->s.gptr_size
61 #define BITSIZE port->s.bit_size
62 #define FLOATSIZE port->s.float_size
63 #define MAXBASESIZE port->s.max_base_size
66 #define PRAGMA_SAVE "SAVE"
67 #define PRAGMA_RESTORE "RESTORE"
68 #define PRAGMA_NOINDUCTION "NOINDUCTION"
69 #define PRAGMA_NOINVARIANT "NOINVARIANT"
70 #define PRAGMA_NOLOOPREV "NOLOOPREVERSE"
71 #define PRAGMA_INDUCTION "INDUCTION"
72 #define PRAGMA_STACKAUTO "STACKAUTO"
73 #define PRAGMA_NOJTBOUND "NOJTBOUND"
74 #define PRAGMA_NOGCSE "NOGCSE"
75 #define PRAGMA_NOOVERLAY "NOOVERLAY"
76 #define PRAGMA_CALLEESAVES "CALLEE-SAVES"
77 #define PRAGMA_EXCLUDE "EXCLUDE"
78 #define PRAGMA_NOREGPARMS "NOREGPARMS"
85 #define MAX_INLINEASM 4*1024
86 #define DEFPOOLSTACK(type,size) \
88 type *type##FreeStack [size] ; \
89 int type##StackPtr = 0 ;
92 #define ALLOC(x,sz) if (!(x = calloc(1, sz))) \
94 werror(E_OUT_OF_MEM,__FILE__,(long) sz);\
100 #define ALLOCTYPE(type,size) if (!(type##Pool = calloc(1, size*sizeof(type))))\
102 werror(E_OUT_OF_MEM,__FILE__,(long) size); \
107 #define PUSH(x,y) x##FreeStack[x##StackPtr++] = y
108 #define PEEK(x) x##FreeStack[x##StackPtr-1]
109 #define POP(type) type##FreeStack[--type##StackPtr]
110 /* #define POP(x) (x##StackPtr ? x##FreeStack[--x##StackPtr] : \
111 (assert(x##StackPtr),0)) */
113 #define EMPTY(x) (x##StackPtr <= 1 ? 1 : 0)
115 #define EMPTY(x) (x##StackPtr == 0 ? 1 : 0)
119 #define COPYTYPE(start,end,from) (end = getSpec (start = from))
122 /* generalpurpose stack related macros */
123 #define STACK_DCL(stack,type,size) \
124 typedef type t_##stack ; \
125 t_##stack stack[size] ; \
126 t_##stack (*p_##stack) = stack + (size); \
128 /* define extern stack */
129 #define EXTERN_STACK_DCL(stack,type,size) \
130 typedef type t_##stack ; \
131 extern t_##stack stack[size] ; \
132 extern t_##stack *p_##stack;
134 #define STACK_FULL(stack) ((p_##stack) <= stack )
135 #define STACK_EMPTY(stack) ((p_##stack) >= (stack + \
136 sizeof(stack)/sizeof(*stack)) )
138 #define STACK_PUSH_(stack,x) (*--p_##stack = (x))
139 #define STACK_POP_(stack) (*p_##stack++)
141 #define STACK_PUSH(stack,x) (STACK_FULL(stack) \
142 ?((t_##stack)(long)(STACK_ERR(1))) \
143 : STACK_PUSH_(stack,x) )
145 #define STACK_POP(stack) (STACK_EMPTY(stack) \
146 ?((t_##stack)(long)(STACK_ERR(0))) \
147 : STACK_POP_(stack) )
149 #define STACK_PEEK(stack) (STACK_EMPTY(stack) \
150 ?((t_##stack) NULL) \
153 #define STACK_ERR(o) ( o \
154 ? fprintf(stderr,"stack Overflow\n")\
155 : fprintf(stderr,"stack underflow\n"))
157 /* optimization options */
159 unsigned global_cse : 1 ;
160 unsigned ptrArithmetic :1;
161 unsigned label1 : 1 ;
162 unsigned label2 : 1 ;
163 unsigned label3 : 1 ;
164 unsigned label4 : 1 ;
165 unsigned loopInvariant: 1;
166 unsigned loopInduction: 1;
167 unsigned noJTabBoundary:1;
168 unsigned noLoopReverse :1;
172 Used in options.model.A bit each as port.supported_models is an OR
183 /* other command line options */
185 int model; /* see MODEL_* defines above */
186 int stackAuto : 3 ; /* Stack Automatic */
187 int useXstack : 3 ; /* use Xternal Stack */
188 int stack10bit : 3; /* use 10 bit stack (flat24 model only) */
189 int genericPtr: 1 ; /* use generic pointers */
190 int regExtend : 1 ; /* don't use extended registers */
191 int dump_raw : 1 ; /* dump after intermediate code generation */
192 int dump_gcse : 1 ; /* dump after gcse */
193 int dump_loop : 1 ; /* dump after loop optimizations */
194 int dump_kill : 1 ; /* dump after dead code elimination */
195 int dump_range: 1 ; /* dump after live range analysis */
196 int dump_pack : 1 ; /* dump after register packing */
197 int dump_rassgn:1 ; /* dump after register assignment */
198 int cc_only : 1 ; /* compile only flag */
199 int intlong_rent:1 ; /* integer & long support routines reentrant */
200 int float_rent: 1 ; /* floating point routines are reentrant */
201 int out_fmt : 1 ; /* 1 = motorola S19 format 0 = intel Hex format */
202 int cyclomatic: 1 ; /* print cyclomatic information */
203 int noOverlay : 1 ; /* don't overlay local variables & parameters */
204 int mainreturn: 1 ; /* issue a return after main */
205 int nopeep : 1 ; /* no peep hole optimization */
206 int asmpeep : 1 ; /* pass inline assembler thru peep hole */
207 int debug : 1 ; /* generate extra debug info */
208 int nodebug : 1 ; /* Generate no debug info. */
209 int stackOnData:1 ; /* stack after data segment */
210 int noregparms: 1 ; /* do not pass parameters in registers */
211 int c1mode : 1 ; /* Act like c1 - no pre-proc, asm or link */
212 char *peep_file ; /* additional rules for peep hole */
213 char *out_name ; /* Asm output name for c1 mode */
214 int nostdlib : 1 ; /* Don't use standard lib files */
215 int nostdinc : 1 ; /* Don't use standard include files */
216 int verbose : 1 ; /* Show what the compiler is doing */
217 int ANSIint : 1 ; /* Use ANSI integer promotion rules in expressions. */
219 char *calleeSaves[128]; /* list of functions using callee save */
220 char *excludeRegs[32] ; /* registers excluded from saving */
222 /* starting address of the segments */
223 int xstack_loc ; /* initial location of external stack */
224 int stack_loc ; /* initial value of internal stack pointer */
225 int xdata_loc ; /* xternal ram starts at address */
226 int data_loc ; /* interram start location */
227 int idata_loc ; /* indirect address space */
228 int code_loc ; /* code location start */
229 int iram_size ; /* internal ram size (used only for error checking) */
232 /* forward definition for variables accessed globally */
233 extern char *currFname ;
234 extern char *srcFileName; /* source file name without the extenstion */
235 extern char *moduleName ; /* source file name without path & extension */
236 extern int currLineno ; /* current line number */
237 extern int yylineno ; /* line number of the current file SDCC.lex */
238 extern FILE *yyin ; /* */
239 extern FILE *asmFile ; /* assembly output file */
240 extern FILE *cdbFile ; /* debugger symbol file */
241 extern int NestLevel ; /* NestLevel SDCC.y */
242 extern int stackPtr ; /* stack pointer SDCC.y */
243 extern int xstackPtr ; /* external stack pointer SDCC.y */
244 extern int reentrant ; /* /X flag has been sent SDCC.y */
245 extern char buffer[] ;/* general buffer SDCCgen.c */
246 extern int currRegBank; /* register bank being used SDCCgens.c */
247 extern struct symbol *currFunc; /* current function SDCCgens.c */
248 extern int cNestLevel; /* block nest level SDCCval.c */
249 extern int currBlockno; /* sequentail block number */
250 extern struct optimize optimize ;
251 extern struct options options;
252 extern int maxInterrupts;
254 /* Visible from SDCCmain.c */
255 extern int nrelFiles;
256 extern char *relFiles[128];
257 extern char *libFiles[128] ;
258 extern int nlibFiles;
261 void buildCmdLine(char *into, char **args, const char **cmds,
262 const char *p1, const char *p2,
263 const char *p3, const char **list);
264 int my_system (const char *cmd, char **cmd_argv);
267 void parseWithComma (char **,char *) ;
269 /** Creates a temporary file a'la tmpfile which avoids the bugs
270 in cygwin wrt c:\tmp.
271 Scans, in order: TMP, TEMP, TMPDIR, else uses tmpfile().
273 FILE *tempfile(void);
275 /** Creates a duplicate of the string 'sz' a'la strdup but using
278 char *gc_strdup(const char *sz);
280 /** An assert() macro that will go out through sdcc's error
283 #define wassertl(a,s) ((a) ? 0 : \
284 (werror (E_INTERNAL_ERROR,__FILE__,__LINE__, s), 0))
286 #define wassert(a) wassertl(a,"code generator internal error")