diff options
Diffstat (limited to 'gdb/trad-frame.h')
| -rw-r--r-- | gdb/trad-frame.h | 91 |
1 files changed, 31 insertions, 60 deletions
diff --git a/gdb/trad-frame.h b/gdb/trad-frame.h index 6af0df301ac..0fe1a5d2c4b 100644 --- a/gdb/trad-frame.h +++ b/gdb/trad-frame.h @@ -1,6 +1,6 @@ /* Traditional frame unwind support, for GDB the GNU Debugger. - Copyright 2003, 2004 Free Software Foundation, Inc. + Copyright 2003 Free Software Foundation, Inc. This file is part of GDB. @@ -22,10 +22,18 @@ #ifndef TRAD_FRAME_H #define TRAD_FRAME_H +#include "frame.h" /* For "struct frame_id". */ + struct frame_info; -struct trad_frame; -#include "frame.h" /* For frame_id. */ +struct trad_frame_cache +{ + CORE_ADDR this_base; + struct trad_frame_saved_reg *prev_regs; + struct frame_id this_id; +}; + +struct trad_frame_cache *trad_frame_cache_zalloc (struct frame_info *next_frame); /* A traditional saved regs table, indexed by REGNUM, encoding where the value of REGNUM for the previous frame can be found in this @@ -59,70 +67,33 @@ struct trad_frame_saved_reg int realreg; }; -struct trad_frame_cache -{ - struct frame_id this_id; - CORE_ADDR this_base; - struct trad_frame_saved_reg *saved_regs; -}; - -struct trad_frame_cache *trad_frame_cache_zalloc (struct frame_info *next_frame); - +/* Encode REGNUM value in the trad-frame. */ +void trad_frame_set_value (struct trad_frame_saved_reg this_saved_regs[], + int regnum, LONGEST val); -/* Encode REGNUM's value in the trad-frame. */ -void trad_frame_set_reg_value (struct trad_frame_cache *this_cache, - int regnum, LONGEST val); -void trad_frame_set_reg_addr (struct trad_frame_cache *this_cache, - int regnum, CORE_ADDR addr); -void trad_frame_set_reg_reg (struct trad_frame_cache *this_cache, - int regnum, int realreg); -void trad_frame_set_reg_unknown (struct trad_frame_cache *this_cache, - int regnum); -void trad_frame_set_this_id (struct trad_frame_cache *this_cache, - struct frame_id *this_id); -void trad_frame_set_this_base (struct trad_frame_cache *this_cache, - CORE_ADDR base); - -/* Set the offset of a register, and then update all offsets. Useful - when the offset of a register is known before its absolute - address. */ -void trad_frame_set_reg_offset (struct trad_frame_cache *this_cache, - int regnum, LONGEST addr); -void trad_frame_add_reg_addr (struct trad_frame_cache *this_cache, - int regnum, CORE_ADDR addr); +/* Mark REGNUM as unknown. */ +void trad_frame_set_unknown (struct trad_frame_saved_reg this_saved_regs[], + int regnum); /* Convenience functions, return non-zero if the register has been encoded as specified. */ -int trad_frame_reg_value_p (struct trad_frame_cache *this_cache, - int regnum); -int trad_frame_reg_addr_p (struct trad_frame_cache *this_cache, - int regnum); -int trad_frame_reg_reg_p (struct trad_frame_cache *this_cache, +int trad_frame_value_p (struct trad_frame_saved_reg this_saved_regs[], + int regnum); +int trad_frame_addr_p (struct trad_frame_saved_reg this_saved_regs[], + int regnum); +int trad_frame_realreg_p (struct trad_frame_saved_reg this_saved_regs[], int regnum); -typedef struct trad_frame_cache *(trad_frame_sniffer_ftype) (const struct trad_frame *self, - struct frame_info *next_frame); - -struct trad_frame -{ - enum frame_type type; - trad_frame_sniffer_ftype *sniffer; - const struct trad_frame_data *trad_data; -}; - -void trad_frame_append (struct gdbarch *gdbarch, - const struct trad_frame *trad_frame); -void trad_frame_this_id (struct trad_frame_cache *trad_cache, - struct frame_info *next_frame, - struct frame_id *this_id); +/* Return a freshly allocated (and initialized) trad_frame array. */ +struct trad_frame_saved_reg *trad_frame_alloc_saved_regs (struct frame_info *next_frame); -void trad_frame_prev_register (struct trad_frame_cache *trad_cache, - struct frame_info *next_frame, - int prev_regnum, - int *optimizedp, - enum lval_type * lvalp, - CORE_ADDR *addrp, - int *realnump, void *valuep); +/* Given the trad_frame info, return the location of the specified + register. */ +void trad_frame_prev_register (struct frame_info *next_frame, + struct trad_frame_saved_reg this_saved_regs[], + int regnum, int *optimizedp, + enum lval_type *lvalp, CORE_ADDR *addrp, + int *realregp, void *bufferp); #endif |