diff options
Diffstat (limited to 'ddb/db_sym.h')
| -rw-r--r-- | ddb/db_sym.h | 46 |
1 files changed, 40 insertions, 6 deletions
diff --git a/ddb/db_sym.h b/ddb/db_sym.h index 453ac7f..e40264a 100644 --- a/ddb/db_sym.h +++ b/ddb/db_sym.h @@ -28,6 +28,9 @@ * Date: 8/90 */ +#ifndef _DDB_DB_SYM_H_ +#define _DDB_DB_SYM_H_ + #include <mach/boolean.h> #include <mach/machine/vm_types.h> #include <machine/db_machdep.h> @@ -115,22 +118,43 @@ extern void db_symbol_values( db_symtab_t *stab, /* find name&value given approx val */ #define db_find_sym_and_offset(val,namep,offp) \ - db_symbol_values(0, db_search_symbol(val,DB_STGY_ANY,offp),namep,0) + do { \ + db_sym_t s; \ + db_symbol_values(0, s = db_search_symbol(val,DB_STGY_ANY,offp) \ + ,namep,0); \ + db_free_symbol(s); \ + } while(0); + /* ditto, but no locals */ #define db_find_xtrn_sym_and_offset(val,namep,offp) \ - db_symbol_values(0, db_search_symbol(val,DB_STGY_XTRN,offp),namep,0) + do { \ + db_sym_t s; \ + db_symbol_values(0, s = db_search_symbol(val,DB_STGY_XTRN,offp) \ + ,namep,0); \ + db_free_symbol(s); \ + } while(0); /* find name&value given approx val */ #define db_find_task_sym_and_offset(val,namep,offp,task) \ - db_symbol_values(0, db_search_task_symbol(val,DB_STGY_ANY,offp,task), \ - namep, 0) + do { \ + db_sym_t s; \ + db_symbol_values(0, s = db_search_task_symbol(val,DB_STGY_ANY \ + ,offp,task), \ + namep, 0); \ + db_free_symbol(s); \ + } while(0); /* ditto, but no locals */ #define db_find_xtrn_task_sym_and_offset(val,namep,offp,task) \ - db_symbol_values(0, db_search_task_symbol(val,DB_STGY_XTRN,offp,task), \ - namep,0) + do { \ + db_sym_t s; \ + db_symbol_values(0, s = db_search_task_symbol(val,DB_STGY_XTRN \ + ,offp,task), \ + namep,0); \ + db_free_symbol(s); \ + } while(0); /* find symbol in current task */ #define db_search_symbol(val,strgy,offp) \ @@ -147,6 +171,10 @@ extern void db_task_printsym( db_expr_t off, /* print closest symbol to a value */ extern void db_printsym( db_expr_t off, db_strategy_t strategy); +/* free a symbol */ +extern void db_free_symbol(db_sym_t s); + + /* * Symbol table switch, defines the interface * to symbol-table specific routines. @@ -187,6 +215,9 @@ extern struct db_sym_switch { db_expr_t *valuep ); + void (*free_symbol)( + db_sym_t sym + ); } x_db[]; #ifndef symtab_type @@ -198,9 +229,12 @@ extern struct db_sym_switch { #define X_db_search_symbol(s,o,t,d) x_db[(s)->type].search_symbol(s,o,t,d) #define X_db_line_at_pc(s,p,f,l,a) x_db[(s)->type].line_at_pc(s,p,f,l,a) #define X_db_symbol_values(s,p,n,v) x_db[(s)->type].symbol_values(s,p,n,v) +#define X_db_free_symbol(s,m) x_db[(s)->type].free_symbol(m) extern boolean_t db_line_at_pc( db_sym_t sym, char **filename, int *linenum, db_expr_t pc); + +#endif |