1 /* SDCCglobl.h - global macros etc required by all files */
13 #define NATIVE_WIN32 1
16 #define NATIVE_WIN32 1
21 #define GC_malloc malloc
23 #define GC_realloc realloc
24 #define GC_malloc_atomic malloc
34 #define MAX_FNAME_LEN 128
35 #define MAX_REG_PARMS 1
39 #define max(a,b) (a > b ? a : b)
43 #define min(a,b) (a < b ? a : b)
55 #define CHARSIZE port->s.char_size
56 #define SHORTSIZE port->s.short_size
57 #define INTSIZE port->s.int_size
58 #define LONGSIZE port->s.long_size
59 #define PTRSIZE port->s.ptr_size
60 #define FPTRSIZE port->s.fptr_size
61 #define GPTRSIZE port->s.gptr_size
62 #define BITSIZE port->s.bit_size
63 #define FLOATSIZE port->s.float_size
64 #define MAXBASESIZE port->s.max_base_size
67 #define PRAGMA_SAVE "SAVE"
68 #define PRAGMA_RESTORE "RESTORE"
69 #define PRAGMA_NOINDUCTION "NOINDUCTION"
70 #define PRAGMA_NOINVARIANT "NOINVARIANT"
71 #define PRAGMA_NOLOOPREV "NOLOOPREVERSE"
72 #define PRAGMA_INDUCTION "INDUCTION"
73 #define PRAGMA_STACKAUTO "STACKAUTO"
74 #define PRAGMA_NOJTBOUND "NOJTBOUND"
75 #define PRAGMA_NOGCSE "NOGCSE"
76 #define PRAGMA_NOOVERLAY "NOOVERLAY"
77 #define PRAGMA_CALLEESAVES "CALLEE-SAVES"
78 #define PRAGMA_EXCLUDE "EXCLUDE"
79 #define PRAGMA_NOREGPARMS "NOREGPARMS"
86 #define MAX_INLINEASM 4*1024
87 #define DEFPOOLSTACK(type,size) \
89 type *type##FreeStack [size] ; \
90 int type##StackPtr = 0 ;
92 #define ALLOCTYPE(type,size) if (!(type##Pool = GC_malloc(size*sizeof(type)))) \
94 werror(E_OUT_OF_MEM,__FILE__,(long) size); \
98 #define PUSH(x,y) x##FreeStack[x##StackPtr++] = y
99 #define PEEK(x) x##FreeStack[x##StackPtr-1]
100 #define POP(type) type##FreeStack[--type##StackPtr]
101 /* #define POP(x) (x##StackPtr ? x##FreeStack[--x##StackPtr] : \
102 (assert(x##StackPtr),0)) */
104 #define EMPTY(x) (x##StackPtr <= 1 ? 1 : 0)
106 #define EMPTY(x) (x##StackPtr == 0 ? 1 : 0)
109 #define ALLOC(x,sz) if (!(x = GC_malloc(sz))) \
111 werror(E_OUT_OF_MEM,__FILE__,(long) sz);\
115 #define ALLOC_ATOMIC(x,sz) if (!(x = GC_malloc_atomic(sz))) \
117 werror(E_OUT_OF_MEM,__FILE__,(long) sz); \
121 #define COPYTYPE(start,end,from) (end = getSpec (start = from))
124 /* generalpurpose stack related macros */
125 #define STACK_DCL(stack,type,size) \
126 typedef type t_##stack ; \
127 t_##stack stack[size] ; \
128 t_##stack (*p_##stack) = stack + (size); \
130 /* define extern stack */
131 #define EXTERN_STACK_DCL(stack,type,size) \
132 typedef type t_##stack ; \
133 extern t_##stack stack[size] ; \
134 extern t_##stack *p_##stack;
136 #define STACK_FULL(stack) ((p_##stack) <= stack )
137 #define STACK_EMPTY(stack) ((p_##stack) >= (stack + \
138 sizeof(stack)/sizeof(*stack)) )
140 #define STACK_PUSH_(stack,x) (*--p_##stack = (x))
141 #define STACK_POP_(stack) (*p_##stack++)
143 #define STACK_PUSH(stack,x) (STACK_FULL(stack) \
144 ?((t_##stack)(long)(STACK_ERR(1))) \
145 : STACK_PUSH_(stack,x) )
147 #define STACK_POP(stack) (STACK_EMPTY(stack) \
148 ?((t_##stack)(long)(STACK_ERR(0))) \
149 : STACK_POP_(stack) )
151 #define STACK_PEEK(stack) (STACK_EMPTY(stack) \
152 ?((t_##stack) NULL) \
155 #define STACK_ERR(o) ( o \
156 ? fprintf(stderr,"stack Overflow\n")\
157 : fprintf(stderr,"stack underflow\n"))
159 /* optimization options */
161 unsigned global_cse : 1 ;
162 unsigned ptrArithmetic :1;
163 unsigned label1 : 1 ;
164 unsigned label2 : 1 ;
165 unsigned label3 : 1 ;
166 unsigned label4 : 1 ;
167 unsigned loopInvariant: 1;
168 unsigned loopInduction: 1;
169 unsigned noJTabBoundary:1;
170 unsigned noLoopReverse :1;
173 /* Values for options.model. */
174 #define MODEL_SMALL 0
175 #define MODEL_LARGE 1
176 #define MODEL_FLAT24 2
178 /* other command line options */
180 int model : 3 ; /* see MODEL_* defines above */
181 int stackAuto : 3 ; /* Stack Automatic */
182 int useXstack : 3 ; /* use Xternal Stack */
183 int stack10bit : 3; /* use 10 bit stack (flat24 model only) */
184 int genericPtr: 1 ; /* use generic pointers */
185 int regExtend : 1 ; /* don't use extended registers */
186 int dump_raw : 1 ; /* dump after intermediate code generation */
187 int dump_gcse : 1 ; /* dump after gcse */
188 int dump_loop : 1 ; /* dump after loop optimizations */
189 int dump_kill : 1 ; /* dump after dead code elimination */
190 int dump_range: 1 ; /* dump after live range analysis */
191 int dump_pack : 1 ; /* dump after register packing */
192 int dump_rassgn:1 ; /* dump after register assignment */
193 int cc_only : 1 ; /* compile only flag */
194 int intlong_rent:1 ; /* integer & long support routines reentrant */
195 int float_rent: 1 ; /* floating point routines are reentrant */
196 int out_fmt : 1 ; /* 1 = motorola S19 format 0 = intel Hex format */
197 int cyclomatic: 1 ; /* print cyclomatic information */
198 int noOverlay : 1 ; /* don't overlay local variables & parameters */
199 int mainreturn: 1 ; /* issue a return after main */
200 int nopeep : 1 ; /* no peep hole optimization */
201 int asmpeep : 1 ; /* pass inline assembler thru peep hole */
202 int debug : 1 ; /* generate extra debug info */
203 int nodebug : 1 ; /* Generate no debug info. */
204 int stackOnData:1 ; /* stack after data segment */
205 int noregparms: 1 ; /* do not pass parameters in registers */
206 int c1mode : 1 ; /* Act like c1 - no pre-proc, asm or link */
207 char *peep_file ; /* additional rules for peep hole */
208 char *out_name ; /* Asm output name for c1 mode */
210 char *calleeSaves[128]; /* list of functions using callee save */
211 char *excludeRegs[32] ; /* registers excluded from saving */
213 /* starting address of the segments */
214 int xstack_loc ; /* initial location of external stack */
215 int stack_loc ; /* initial value of internal stack pointer */
216 int xdata_loc ; /* xternal ram starts at address */
217 int data_loc ; /* interram start location */
218 int idata_loc ; /* indirect address space */
219 int code_loc ; /* code location start */
220 int iram_size ; /* internal ram size (used only for error checking) */
223 /* forward definition for variables accessed globally */
224 extern char *currFname ;
225 extern char *srcFileName; /* source file name without the extenstion */
226 extern char *moduleName ; /* source file name without path & extension */
227 extern int currLineno ; /* current line number */
228 extern int yylineno ; /* line number of the current file SDCC.lex */
229 extern FILE *yyin ; /* */
230 extern FILE *asmFile ; /* assembly output file */
231 extern FILE *cdbFile ; /* debugger symbol file */
232 extern int NestLevel ; /* NestLevel SDCC.y */
233 extern int stackPtr ; /* stack pointer SDCC.y */
234 extern int xstackPtr ; /* external stack pointer SDCC.y */
235 extern int reentrant ; /* /X flag has been sent SDCC.y */
236 extern char buffer[] ;/* general buffer SDCCgen.c */
237 extern int currRegBank; /* register bank being used SDCCgens.c */
238 extern struct symbol *currFunc; /* current function SDCCgens.c */
239 extern int cNestLevel; /* block nest level SDCCval.c */
240 extern int currBlockno; /* sequentail block number */
241 extern struct optimize optimize ;
242 extern struct options options;
243 extern int maxInterrupts;
244 void parseWithComma (char **,char *) ;
246 /** Creates a temporary file a'la tmpfile which avoids the bugs
247 in cygwin wrt c:\tmp.
248 Scans, in order: TMP, TEMP, TMPDIR, else uses tmpfile().
250 FILE *tempfile(void);
252 /** Creates a duplicate of the string 'sz' a'la strdup but using
255 char *gc_strdup(const char *sz);
257 /** An assert() macro that will go out through sdcc's error
260 #define wassertl(a,s) ((a) ? 0 : \
261 (werror (E_INTERNAL_ERROR,__FILE__,__LINE__, s), 0))
263 #define wassert(a) wassertl(a,"code generator internal error")