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