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 ;
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)
103 #define COPYTYPE(start,end,from) (end = getSpec (start = from))
106 /* generalpurpose stack related macros */
107 #define STACK_DCL(stack,type,size) \
108 typedef type t_##stack ; \
109 t_##stack stack[size] ; \
110 t_##stack (*p_##stack) = stack + (size); \
112 /* define extern stack */
113 #define EXTERN_STACK_DCL(stack,type,size) \
114 typedef type t_##stack ; \
115 extern t_##stack stack[size] ; \
116 extern t_##stack *p_##stack;
118 #define STACK_FULL(stack) ((p_##stack) <= stack )
119 #define STACK_EMPTY(stack) ((p_##stack) >= (stack + \
120 sizeof(stack)/sizeof(*stack)) )
122 #define STACK_PUSH_(stack,x) (*--p_##stack = (x))
123 #define STACK_POP_(stack) (*p_##stack++)
125 #define STACK_PUSH(stack,x) (STACK_FULL(stack) \
126 ?((t_##stack)(long)(STACK_ERR(1))) \
127 : STACK_PUSH_(stack,x) )
129 #define STACK_POP(stack) (STACK_EMPTY(stack) \
130 ?((t_##stack)(long)(STACK_ERR(0))) \
131 : STACK_POP_(stack) )
133 #define STACK_PEEK(stack) (STACK_EMPTY(stack) \
134 ?((t_##stack) NULL) \
137 #define STACK_ERR(o) ( o \
138 ? fprintf(stderr,"stack Overflow\n")\
139 : fprintf(stderr,"stack underflow\n"))
141 /* optimization options */
143 unsigned global_cse : 1 ;
144 unsigned ptrArithmetic :1;
145 unsigned label1 : 1 ;
146 unsigned label2 : 1 ;
147 unsigned label3 : 1 ;
148 unsigned label4 : 1 ;
149 unsigned loopInvariant: 1;
150 unsigned loopInduction: 1;
151 unsigned noJTabBoundary:1;
152 unsigned noLoopReverse :1;
156 Used in options.model.A bit each as port.supported_models is an OR
167 /* other command line options */
169 int model; /* see MODEL_* defines above */
170 int stackAuto : 3 ; /* Stack Automatic */
171 int useXstack : 3 ; /* use Xternal Stack */
172 int stack10bit : 3; /* use 10 bit stack (flat24 model only) */
173 int genericPtr: 1 ; /* use generic pointers */
174 int regExtend : 1 ; /* don't use extended registers */
175 int dump_raw : 1 ; /* dump after intermediate code generation */
176 int dump_gcse : 1 ; /* dump after gcse */
177 int dump_loop : 1 ; /* dump after loop optimizations */
178 int dump_kill : 1 ; /* dump after dead code elimination */
179 int dump_range: 1 ; /* dump after live range analysis */
180 int dump_pack : 1 ; /* dump after register packing */
181 int dump_rassgn:1 ; /* dump after register assignment */
182 int cc_only : 1 ; /* compile only flag */
183 int intlong_rent:1 ; /* integer & long support routines reentrant */
184 int float_rent: 1 ; /* floating point routines are reentrant */
185 int out_fmt : 1 ; /* 1 = motorola S19 format 0 = intel Hex format */
186 int cyclomatic: 1 ; /* print cyclomatic information */
187 int noOverlay : 1 ; /* don't overlay local variables & parameters */
188 int mainreturn: 1 ; /* issue a return after main */
189 int nopeep : 1 ; /* no peep hole optimization */
190 int asmpeep : 1 ; /* pass inline assembler thru peep hole */
191 int debug : 1 ; /* generate extra debug info */
192 int nodebug : 1 ; /* Generate no debug info. */
193 int stackOnData:1 ; /* stack after data segment */
194 int noregparms: 1 ; /* do not pass parameters in registers */
195 int c1mode : 1 ; /* Act like c1 - no pre-proc, asm or link */
196 char *peep_file ; /* additional rules for peep hole */
197 char *out_name ; /* Asm output name for c1 mode */
198 int nostdlib : 1 ; /* Don't use standard lib files */
199 int nostdinc : 1 ; /* Don't use standard include files */
200 int verbose : 1 ; /* Show what the compiler is doing */
201 int ANSIint : 1 ; /* Use ANSI integer promotion rules in expressions. */
203 char *calleeSaves[128]; /* list of functions using callee save */
204 char *excludeRegs[32] ; /* registers excluded from saving */
206 /* starting address of the segments */
207 int xstack_loc ; /* initial location of external stack */
208 int stack_loc ; /* initial value of internal stack pointer */
209 int xdata_loc ; /* xternal ram starts at address */
210 int data_loc ; /* interram start location */
211 int idata_loc ; /* indirect address space */
212 int code_loc ; /* code location start */
213 int iram_size ; /* internal ram size (used only for error checking) */
216 /* forward definition for variables accessed globally */
217 extern char *currFname ;
218 extern char *srcFileName; /* source file name without the extenstion */
219 extern char *moduleName ; /* source file name without path & extension */
220 extern int currLineno ; /* current line number */
221 extern int yylineno ; /* line number of the current file SDCC.lex */
222 extern FILE *yyin ; /* */
223 extern FILE *asmFile ; /* assembly output file */
224 extern FILE *cdbFile ; /* debugger symbol file */
225 extern int NestLevel ; /* NestLevel SDCC.y */
226 extern int stackPtr ; /* stack pointer SDCC.y */
227 extern int xstackPtr ; /* external stack pointer SDCC.y */
228 extern int reentrant ; /* /X flag has been sent SDCC.y */
229 extern char buffer[] ;/* general buffer SDCCgen.c */
230 extern int currRegBank; /* register bank being used SDCCgens.c */
231 extern struct symbol *currFunc; /* current function SDCCgens.c */
232 extern int cNestLevel; /* block nest level SDCCval.c */
233 extern int currBlockno; /* sequentail block number */
234 extern struct optimize optimize ;
235 extern struct options options;
236 extern int maxInterrupts;
238 /* Visible from SDCCmain.c */
239 extern int nrelFiles;
240 extern char *relFiles[128];
241 extern char *libFiles[128] ;
242 extern int nlibFiles;
245 void buildCmdLine(char *into, char **args, const char **cmds,
246 const char *p1, const char *p2,
247 const char *p3, const char **list);
248 int my_system (const char *cmd, char **cmd_argv);
251 void parseWithComma (char **,char *) ;
253 /** Creates a temporary file a'la tmpfile which avoids the bugs
254 in cygwin wrt c:\tmp.
255 Scans, in order: TMP, TEMP, TMPDIR, else uses tmpfile().
257 FILE *tempfile(void);
259 /** Creates a duplicate of the string 'sz' a'la strdup but using
262 char *gc_strdup(const char *sz);
264 /** An assert() macro that will go out through sdcc's error
267 #define wassertl(a,s) ((a) ? 0 : \
268 (werror (E_INTERNAL_ERROR,__FILE__,__LINE__, s), 0))
270 #define wassert(a) wassertl(a,"code generator internal error")