1 /* SDCCglobl.h - global macros etc required by all files */
14 #define GC_malloc malloc
16 #define GC_realloc realloc
17 #define GC_malloc_atomic malloc
27 #define MAX_FNAME_LEN 128
28 #define MAX_REG_PARMS 1
32 #define max(a,b) (a > b ? a : b)
36 #define min(a,b) (a < b ? a : b)
48 #define CHARSIZE port->s.char_size
49 #define SHORTSIZE port->s.short_size
50 #define INTSIZE port->s.int_size
51 #define LONGSIZE port->s.long_size
52 #define PTRSIZE port->s.ptr_size
53 #define FPTRSIZE port->s.fptr_size
54 #define GPTRSIZE port->s.gptr_size
55 #define BITSIZE port->s.bit_size
56 #define FLOATSIZE port->s.float_size
57 #define MAXBASESIZE port->s.max_base_size
60 #define PRAGMA_SAVE "SAVE"
61 #define PRAGMA_RESTORE "RESTORE"
62 #define PRAGMA_NOINDUCTION "NOINDUCTION"
63 #define PRAGMA_NOINVARIANT "NOINVARIANT"
64 #define PRAGMA_NOLOOPREV "NOLOOPREVERSE"
65 #define PRAGMA_INDUCTION "INDUCTION"
66 #define PRAGMA_STACKAUTO "STACKAUTO"
67 #define PRAGMA_NOJTBOUND "NOJTBOUND"
68 #define PRAGMA_NOGCSE "NOGCSE"
69 #define PRAGMA_NOOVERLAY "NOOVERLAY"
70 #define PRAGMA_CALLEESAVES "CALLEE-SAVES"
71 #define PRAGMA_EXCLUDE "EXCLUDE"
72 #define PRAGMA_NOREGPARMS "NOREGPARMS"
79 #define MAX_INLINEASM 4*1024
80 #define DEFPOOLSTACK(type,size) \
82 type *type##FreeStack [size] ; \
83 int type##StackPtr = 0 ;
85 #define ALLOCTYPE(type,size) if (!(type##Pool = GC_malloc(size*sizeof(type)))) \
87 werror(E_OUT_OF_MEM,__FILE__,(long) size); \
91 #define PUSH(x,y) x##FreeStack[x##StackPtr++] = y
92 #define PEEK(x) x##FreeStack[x##StackPtr-1]
93 #define POP(type) type##FreeStack[--type##StackPtr]
94 /* #define POP(x) (x##StackPtr ? x##FreeStack[--x##StackPtr] : \
95 (assert(x##StackPtr),0)) */
97 #define EMPTY(x) (x##StackPtr <= 1 ? 1 : 0)
99 #define EMPTY(x) (x##StackPtr == 0 ? 1 : 0)
102 #define ALLOC(x,sz) if (!(x = GC_malloc(sz))) \
104 werror(E_OUT_OF_MEM,__FILE__,(long) sz);\
108 #define ALLOC_ATOMIC(x,sz) if (!(x = GC_malloc_atomic(sz))) \
110 werror(E_OUT_OF_MEM,__FILE__,(long) sz); \
114 #define COPYTYPE(start,end,from) (end = getSpec (start = from))
117 /* generalpurpose stack related macros */
118 #define STACK_DCL(stack,type,size) \
119 typedef type t_##stack ; \
120 t_##stack stack[size] ; \
121 t_##stack (*p_##stack) = stack + (size); \
123 /* define extern stack */
124 #define EXTERN_STACK_DCL(stack,type,size) \
125 typedef type t_##stack ; \
126 extern t_##stack stack[size] ; \
127 extern t_##stack *p_##stack;
129 #define STACK_FULL(stack) ((p_##stack) <= stack )
130 #define STACK_EMPTY(stack) ((p_##stack) >= (stack + \
131 sizeof(stack)/sizeof(*stack)) )
133 #define STACK_PUSH_(stack,x) (*--p_##stack = (x))
134 #define STACK_POP_(stack) (*p_##stack++)
136 #define STACK_PUSH(stack,x) (STACK_FULL(stack) \
137 ?((t_##stack)(long)(STACK_ERR(1))) \
138 : STACK_PUSH_(stack,x) )
140 #define STACK_POP(stack) (STACK_EMPTY(stack) \
141 ?((t_##stack)(long)(STACK_ERR(0))) \
142 : STACK_POP_(stack) )
144 #define STACK_PEEK(stack) (STACK_EMPTY(stack) \
145 ?((t_##stack) NULL) \
148 #define STACK_ERR(o) ( o \
149 ? fprintf(stderr,"stack Overflow\n")\
150 : fprintf(stderr,"stack underflow\n"))
152 /* optimization options */
154 unsigned global_cse : 1 ;
155 unsigned ptrArithmetic :1;
156 unsigned label1 : 1 ;
157 unsigned label2 : 1 ;
158 unsigned label3 : 1 ;
159 unsigned label4 : 1 ;
160 unsigned loopInvariant: 1;
161 unsigned loopInduction: 1;
162 unsigned noJTabBoundary:1;
163 unsigned noLoopReverse :1;
166 /* Values for options.model. */
167 #define MODEL_SMALL 0
168 #define MODEL_LARGE 1
169 #define MODEL_FLAT24 2
171 /* other command line options */
173 int model : 3 ; /* see MODEL_* defines above */
174 int stackAuto : 3 ; /* Stack Automatic */
175 int useXstack : 3 ; /* use Xternal Stack */
176 int genericPtr: 1 ; /* use generic pointers */
177 int regExtend : 1 ; /* don't use extended registers */
178 int dump_raw : 1 ; /* dump after intermediate code generation */
179 int dump_gcse : 1 ; /* dump after gcse */
180 int dump_loop : 1 ; /* dump after loop optimizations */
181 int dump_kill : 1 ; /* dump after dead code elimination */
182 int dump_range: 1 ; /* dump after live range analysis */
183 int dump_pack : 1 ; /* dump after register packing */
184 int dump_rassgn:1 ; /* dump after register assignment */
185 int cc_only : 1 ; /* compile only flag */
186 int intlong_rent:1 ; /* integer & long support routines reentrant */
187 int float_rent: 1 ; /* floating point routines are reentrant */
188 int out_fmt : 1 ; /* 1 = motorola S19 format 0 = intel Hex format */
189 int cyclomatic: 1 ; /* print cyclomatic information */
190 int noOverlay : 1 ; /* don't overlay local variables & parameters */
191 int mainreturn: 1 ; /* issue a return after main */
192 int nopeep : 1 ; /* no peep hole optimization */
193 int asmpeep : 1 ; /* pass inline assembler thru peep hole */
194 int debug : 1 ; /* generate extra debug info */
195 int stackOnData:1 ; /* stack after data segment */
196 int noregparms: 1 ; /* do not pass parameters in registers */
197 int c1mode : 1 ; /* Act like c1 - no pre-proc, asm or link */
198 char *peep_file ; /* additional rules for peep hole */
199 char *out_name ; /* Asm output name for c1 mode */
201 char *calleeSaves[128]; /* list of functions using callee save */
202 char *excludeRegs[32] ; /* registers excluded from saving */
204 /* starting address of the segments */
205 int xstack_loc ; /* initial location of external stack */
206 int stack_loc ; /* initial value of internal stack pointer */
207 int xdata_loc ; /* xternal ram starts at address */
208 int data_loc ; /* interram start location */
209 int idata_loc ; /* indirect address space */
210 int code_loc ; /* code location start */
211 int iram_size ; /* internal ram size (used only for error checking) */
214 /* forward definition for variables accessed globally */
215 extern char *currFname ;
216 extern char *srcFileName; /* source file name without the extenstion */
217 extern char *moduleName ; /* source file name without path & extension */
218 extern int currLineno ; /* current line number */
219 extern int yylineno ; /* line number of the current file SDCC.lex */
220 extern FILE *yyin ; /* */
221 extern FILE *asmFile ; /* assembly output file */
222 extern FILE *cdbFile ; /* debugger symbol file */
223 extern int NestLevel ; /* NestLevel SDCC.y */
224 extern int stackPtr ; /* stack pointer SDCC.y */
225 extern int xstackPtr ; /* external stack pointer SDCC.y */
226 extern int reentrant ; /* /X flag has been sent SDCC.y */
227 extern char buffer[] ;/* general buffer SDCCgen.c */
228 extern int currRegBank; /* register bank being used SDCCgens.c */
229 extern struct symbol *currFunc; /* current function SDCCgens.c */
230 extern int cNestLevel; /* block nest level SDCCval.c */
231 extern int currBlockno; /* sequentail block number */
232 extern struct optimize optimize ;
233 extern struct options options;
234 extern int maxInterrupts;
235 void parseWithComma (char **,char *) ;