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/SDCCalloc.h"
36 #include "src/SDCCset.h"
37 #include "src/SDCChasht.h"
45 #define max(a,b) (a > b ? a : b)
49 #define min(a,b) (a < b ? a : b)
53 #define ALLOC(x,sz) if (!(x = GC_malloc(sz))) \
55 fprintf(stderr,"sdcdb: out of memory\n"); \
60 #define ALLOC_ATOMIC(x,sz) if (!(x = GC_malloc_atomic(sz))) \
62 fprintf(stderr,"sdcdb: out of memory\n"); \
66 /* generalpurpose stack related macros */
67 #define STACK_DCL(stack,type,size) \
68 typedef type t_##stack ; \
69 t_##stack stack[size] ; \
70 t_##stack (*p_##stack) = stack + (size); \
71 t_##stack (*w_##stack) ;
73 /* define extern stack */
74 #define EXTERN_STACK_DCL(stack,type,size) \
75 typedef type t_##stack ; \
76 extern t_##stack stack[size] ; \
77 extern t_##stack *p_##stack; \
78 extern t_##stack *w_##stack;
80 #define STACK_FULL(stack) ((p_##stack) <= stack )
81 #define STACK_EMPTY(stack) ((p_##stack) >= (stack + \
82 sizeof(stack)/sizeof(*stack)) )
84 #define STACK_PUSH_(stack,x) (*--p_##stack = (x))
85 #define STACK_POP_(stack) (*p_##stack++)
87 #define STACK_PUSH(stack,x) (STACK_FULL(stack) \
88 ?((t_##stack)(long)(STACK_ERR(1))) \
89 : STACK_PUSH_(stack,x) )
91 #define STACK_POP(stack) (STACK_EMPTY(stack) \
92 ?((t_##stack)(long)(STACK_ERR(0))) \
95 #define STACK_PEEK(stack) (STACK_EMPTY(stack) \
99 #define STACK_PPEEK(stack) (((p_##stack + 1) >= (stack + \
100 sizeof(stack)/sizeof(*stack))) \
101 ?((t_##stack) NULL) \
104 #define STACK_ERR(o) ( o \
105 ? fprintf(stderr,"stack Overflow\n")\
106 : fprintf(stderr,"stack underflow\n"))
108 #define STACK_STARTWALK(stack) (w_##stack = p_##stack)
110 #define STACK_WALK(stack) (w_##stack >= (stack + sizeof(stack)/sizeof(*stack)) \
111 ? NULL : *w_##stack++ )
113 #include "src/SDCCbitv.h"
123 enum { SRC_CMODE = 1, SRC_AMODE };
125 /*-----------------------------------------------------------------*/
126 /* source line structure */
127 /*-----------------------------------------------------------------*/
128 typedef struct srcLine
131 short block, level; /* scope information */
136 /*-----------------------------------------------------------------*/
137 /* structure for cdb record */
138 /*-----------------------------------------------------------------*/
139 typedef struct cdbrecs {
140 char type ; /* type of line */
141 char *line; /* contents of line */
142 struct cdbrecs *next; /* next in chain */
145 /*-----------------------------------------------------------------*/
146 /* module definition */
147 /*-----------------------------------------------------------------*/
148 typedef struct module {
149 char *cfullname ; /* full name Includeing path for the module */
150 char *afullname; /* fullname of assembly file */
151 char *name ; /* name of module */
152 char *c_name; /* c filename */
153 char *asm_name; /* asm file name */
154 int ncLines; /* number of lines in this module */
155 int nasmLines; /* # of lines in the assembler file */
156 srcLine **cLines; /* actual source lines */
157 srcLine **asmLines; /* actual assembler source lines*/
160 /*-----------------------------------------------------------------*/
161 /* execution point definition */
162 /*-----------------------------------------------------------------*/
163 typedef struct exePoint
167 short block , level ;
170 /*-----------------------------------------------------------------*/
171 /* definition for a function */
172 /*-----------------------------------------------------------------*/
173 typedef struct function {
174 struct symbol *sym ;/* pointer to symbol for function */
175 char *modName ;/* module name */
176 module *mod ;/* module for this function */
177 int entryline ;/* first line in the function */
179 int exitline ;/* last line in the function */
181 set *cfpoints ;/* set of all C execution points in func */
182 set *afpoints ;/* set of all ASM execution points in func */
183 unsigned int laddr ;/* last executed address */
184 int lline ;/* last executed linenumber */
187 /*-----------------------------------------------------------------*/
188 /* link record defintion */
189 /*-----------------------------------------------------------------*/
190 typedef struct linkrec {
191 char type; /* type of linker rec */
192 unsigned addr ; /* address specified by the linker rec */
193 char *name ; /* name specified by linker rec */
196 /*-----------------------------------------------------------------*/
197 /* program context */
198 /*-----------------------------------------------------------------*/
199 typedef struct context {
200 function *func; /* current function we are in */
201 char *modName; /* name of the module */
202 unsigned int addr ; /* current pc */
203 int cline ; /* current c line number */
204 int asmline; /* current asm line number */
205 int block ; /* current block number */
206 int level ; /* current level number */
209 extern cdbrecs *recsRoot ;
210 extern context *currCtxt ;
211 extern set *modules ; /* set of modules */
212 extern set *functions; /* set of functions */
213 extern set *symbols ; /* set of symbols */
215 extern int nStructs ;
216 extern struct structdef **structs ; /* all structures */
217 extern char *ssdirl; /* source directory search path */
218 void **resize (void **, int );
219 char *alloccpy(char *,int );
220 srcLine **loadFile (char *name, int *nlines);
221 extern short fullname;
223 char *searchDirsFname (char *);