1 /*-------------------------------------------------------------------------
2 sdcdb.h - Header file used by ALL source files for the debugger
3 Written By - Sandeep Dutta . sandeep.dutta@usa.net (1999)
5 This program is free software; you can redistribute it and/or modify it
6 under the terms of the GNU General Public License as published by the
7 Free Software Foundation; either version 2, or (at your option) any
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 In other words, you are welcome to use, share and improve this program.
20 You are forbidden to forbid anyone else to use, share and improve
21 what you give them. Help stamp out software-hoarding!
22 -------------------------------------------------------------------------*/
27 /* #define SDCDB_DEBUG */
35 #include "src/SDCCset.h"
36 #include "src/SDCChasht.h"
44 #define max(a,b) (a > b ? a : b)
48 #define min(a,b) (a < b ? a : b)
52 //#define ALLOC(x,sz) if (!(x = calloc(1, sz))) \
54 // fprintf(stderr,"sdcdb: out of memory\n"); \
58 //#ifndef ALLOC_ATOMIC
59 //#define ALLOC_ATOMIC(x,sz) if (!(x = calloc(1, sz))) \
61 // fprintf(stderr,"sdcdb: out of memory\n"); \
65 /* generalpurpose stack related macros */
66 #define STACK_DCL(stack,type,size) \
67 typedef type t_##stack ; \
68 t_##stack stack[size] ; \
69 t_##stack (*p_##stack) = stack + (size); \
70 t_##stack (*w_##stack) ;
72 /* define extern stack */
73 #define EXTERN_STACK_DCL(stack,type,size) \
74 typedef type t_##stack ; \
75 extern t_##stack stack[size] ; \
76 extern t_##stack *p_##stack; \
77 extern t_##stack *w_##stack;
79 #define STACK_FULL(stack) ((p_##stack) <= stack )
80 #define STACK_EMPTY(stack) ((p_##stack) >= (stack + \
81 sizeof(stack)/sizeof(*stack)) )
83 #define STACK_PUSH_(stack,x) (*--p_##stack = (x))
84 #define STACK_POP_(stack) (*p_##stack++)
86 #define STACK_PUSH(stack,x) (STACK_FULL(stack) \
87 ?((t_##stack)(long)(STACK_ERR(1))) \
88 : STACK_PUSH_(stack,x) )
90 #define STACK_POP(stack) (STACK_EMPTY(stack) \
91 ?((t_##stack)(long)(STACK_ERR(0))) \
94 #define STACK_PEEK(stack) (STACK_EMPTY(stack) \
98 #define STACK_PPEEK(stack) (((p_##stack + 1) >= (stack + \
99 sizeof(stack)/sizeof(*stack))) \
100 ?((t_##stack) NULL) \
103 #define STACK_ERR(o) ( o \
104 ? fprintf(stderr,"stack Overflow\n")\
105 : fprintf(stderr,"stack underflow\n"))
107 #define STACK_STARTWALK(stack) (w_##stack = p_##stack)
109 #define STACK_WALK(stack) (w_##stack >= (stack + sizeof(stack)/sizeof(*stack)) \
110 ? NULL : *w_##stack++ )
112 #include "src/SDCCbitv.h"
122 enum { SRC_CMODE = 1, SRC_AMODE };
124 /*-----------------------------------------------------------------*/
125 /* source line structure */
126 /*-----------------------------------------------------------------*/
127 typedef struct srcLine
130 short block, level; /* scope information */
135 /*-----------------------------------------------------------------*/
136 /* structure for cdb record */
137 /*-----------------------------------------------------------------*/
138 typedef struct cdbrecs {
139 char type ; /* type of line */
140 char *line; /* contents of line */
141 struct cdbrecs *next; /* next in chain */
144 /*-----------------------------------------------------------------*/
145 /* module definition */
146 /*-----------------------------------------------------------------*/
147 typedef struct module {
148 char *cfullname ; /* full name Includeing path for the module */
149 char *afullname; /* fullname of assembly file */
150 char *name ; /* name of module */
151 char *c_name; /* c filename */
152 char *asm_name; /* asm file name */
153 int ncLines; /* number of lines in this module */
154 int nasmLines; /* # of lines in the assembler file */
155 srcLine **cLines; /* actual source lines */
156 srcLine **asmLines; /* actual assembler source lines*/
159 /*-----------------------------------------------------------------*/
160 /* execution point definition */
161 /*-----------------------------------------------------------------*/
162 typedef struct exePoint
166 short block , level ;
169 /*-----------------------------------------------------------------*/
170 /* definition for a function */
171 /*-----------------------------------------------------------------*/
172 typedef struct function {
173 struct symbol *sym ;/* pointer to symbol for function */
174 char *modName ;/* module name */
175 module *mod ;/* module for this function */
176 int entryline ;/* first line in the function */
178 int exitline ;/* last line in the function */
180 set *cfpoints ;/* set of all C execution points in func */
181 set *afpoints ;/* set of all ASM execution points in func */
182 unsigned int laddr ;/* last executed address */
183 int lline ;/* last executed linenumber */
186 /*-----------------------------------------------------------------*/
187 /* link record defintion */
188 /*-----------------------------------------------------------------*/
189 typedef struct linkrec {
190 char type; /* type of linker rec */
191 unsigned addr ; /* address specified by the linker rec */
192 char *name ; /* name specified by linker rec */
195 /*-----------------------------------------------------------------*/
196 /* program context */
197 /*-----------------------------------------------------------------*/
198 typedef struct context {
199 function *func; /* current function we are in */
200 char *modName; /* name of the module */
201 unsigned int addr ; /* current pc */
202 int cline ; /* current c line number */
203 int asmline; /* current asm line number */
204 int block ; /* current block number */
205 int level ; /* current level number */
208 extern cdbrecs *recsRoot ;
209 extern context *currCtxt ;
210 extern set *modules ; /* set of modules */
211 extern set *functions; /* set of functions */
212 extern set *symbols ; /* set of symbols */
214 extern int nStructs ;
215 extern struct structdef **structs ; /* all structures */
216 extern char *ssdirl; /* source directory search path */
217 void **resize (void **, int );
218 char *alloccpy(char *,int );
219 srcLine **loadFile (char *name, int *nlines);
220 extern short fullname;
222 char *searchDirsFname (char *);