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)
53 * #define ALLOC(x,sz) if (!(x = calloc(1, sz))) \
55 * fprintf(stderr,"sdcdb: out of memory\n"); \
59 * #ifndef ALLOC_ATOMIC
60 * #define ALLOC_ATOMIC(x,sz) if (!(x = calloc(1, sz))) \
62 * fprintf(stderr,"sdcdb: out of memory\n"); \
68 /* generalpurpose stack related macros */
69 #define STACK_DCL(stack,type,size) \
70 typedef type t_##stack ; \
71 t_##stack stack[size] ; \
72 t_##stack (*p_##stack) = stack + (size); \
73 t_##stack (*w_##stack) ;
75 /* define extern stack */
76 #define EXTERN_STACK_DCL(stack,type,size) \
77 typedef type t_##stack ; \
78 extern t_##stack stack[size] ; \
79 extern t_##stack *p_##stack; \
80 extern t_##stack *w_##stack;
82 #define STACK_FULL(stack) ((p_##stack) <= stack )
83 #define STACK_EMPTY(stack) ((p_##stack) >= (stack + \
84 sizeof(stack)/sizeof(*stack)) )
86 #define STACK_PUSH_(stack,x) (*--p_##stack = (x))
87 #define STACK_POP_(stack) (*p_##stack++)
89 #define STACK_PUSH(stack,x) (STACK_FULL(stack) \
90 ?((t_##stack)(long)(STACK_ERR(1))) \
91 : STACK_PUSH_(stack,x) )
93 #define STACK_POP(stack) (STACK_EMPTY(stack) \
94 ?((t_##stack)(long)(STACK_ERR(0))) \
97 #define STACK_PEEK(stack) (STACK_EMPTY(stack) \
101 #define STACK_PPEEK(stack) (((p_##stack + 1) >= (stack + \
102 sizeof(stack)/sizeof(*stack))) \
103 ?((t_##stack) NULL) \
106 #define STACK_ERR(o) ( o \
107 ? fprintf(stderr,"stack Overflow\n")\
108 : fprintf(stderr,"stack underflow\n"))
110 #define STACK_STARTWALK(stack) (w_##stack = p_##stack)
112 #define STACK_WALK(stack) (w_##stack >= (stack + sizeof(stack)/sizeof(*stack)) \
113 ? NULL : *w_##stack++ )
115 #include "src/SDCCbitv.h"
125 enum { SRC_CMODE = 1, SRC_AMODE };
127 /*-----------------------------------------------------------------*/
128 /* source line structure */
129 /*-----------------------------------------------------------------*/
130 typedef struct srcLine
133 short block, level; /* scope information */
138 /*-----------------------------------------------------------------*/
139 /* structure for cdb record */
140 /*-----------------------------------------------------------------*/
141 typedef struct cdbrecs {
142 char type ; /* type of line */
143 char *line; /* contents of line */
144 struct cdbrecs *next; /* next in chain */
147 /*-----------------------------------------------------------------*/
148 /* module definition */
149 /*-----------------------------------------------------------------*/
150 typedef struct module {
151 char *cfullname ; /* full name Includeing path for the module */
152 char *afullname; /* fullname of assembly file */
153 char *name ; /* name of module */
154 char *c_name; /* c filename */
155 char *asm_name; /* asm file name */
156 int ncLines; /* number of lines in this module */
157 int nasmLines; /* # of lines in the assembler file */
158 srcLine **cLines; /* actual source lines */
159 srcLine **asmLines; /* actual assembler source lines*/
162 /*-----------------------------------------------------------------*/
163 /* execution point definition */
164 /*-----------------------------------------------------------------*/
165 typedef struct exePoint
169 short block , level ;
172 /*-----------------------------------------------------------------*/
173 /* definition for a function */
174 /*-----------------------------------------------------------------*/
175 typedef struct function {
176 struct symbol *sym ;/* pointer to symbol for function */
177 char *modName ;/* module name */
178 module *mod ;/* module for this function */
179 int entryline ;/* first line in the function */
181 int exitline ;/* last line in the function */
183 set *cfpoints ;/* set of all C execution points in func */
184 set *afpoints ;/* set of all ASM execution points in func */
185 unsigned int laddr ;/* last executed address */
186 int lline ;/* last executed linenumber */
189 /*-----------------------------------------------------------------*/
190 /* link record defintion */
191 /*-----------------------------------------------------------------*/
192 typedef struct linkrec {
193 char type; /* type of linker rec */
194 unsigned addr ; /* address specified by the linker rec */
195 char *name ; /* name specified by linker rec */
198 /*-----------------------------------------------------------------*/
199 /* program context */
200 /*-----------------------------------------------------------------*/
201 typedef struct context {
202 function *func; /* current function we are in */
203 char *modName; /* name of the module */
204 unsigned int addr ; /* current pc */
205 int cline ; /* current c line number */
206 int asmline; /* current asm line number */
207 int block ; /* current block number */
208 int level ; /* current level number */
211 extern cdbrecs *recsRoot ;
212 extern context *currCtxt ;
213 extern set *modules ; /* set of modules */
214 extern set *functions; /* set of functions */
215 extern set *symbols ; /* set of symbols */
217 extern int nStructs ;
218 extern struct structdef **structs ; /* all structures */
219 extern char *ssdirl; /* source directory search path */
220 void **resize (void **, int );
221 char *alloccpy(char *,int );
222 srcLine **loadFile (char *name, int *nlines);
223 extern short fullname;
225 char *searchDirsFname (char *);