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(unw_save_loc_type_t): New type.

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(unw_save_loc_t): New type.
(get_save_loc): New prototype.

(Logical change 1.9)
This commit is contained in:
mostang.com!davidm 2002-04-01 23:01:22 +00:00
parent 85bd7b8e9d
commit 70dd4fbccf
1 changed files with 22 additions and 0 deletions
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22
include/libunwind.h
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@ -142,6 +142,26 @@ typedef struct unw_accessors
}
unw_accessors_t;
typedef enum unw_save_loc_type
{
UNW_SLT_NONE, /* register is not saved ("not an l-value") */
UNW_SLT_MEMORY, /* register has been saved in memory */
UNW_SLT_REG, /* register has been saved in (another) register */
}
unw_save_loc_type_t;
typedef struct unw_save_loc
{
unw_save_loc_type_t type;
union
{
unw_word_t addr; /* valid if type==UNW_SLT_MEMORY */
unw_regnum_t regnum; /* valid if type==UNW_SLT_REG */
}
u;
}
unw_save_loc_t;
/* These routines work both for local and remote unwinding. */
extern int UNW_OBJ(init_local) (unw_cursor_t *c, ucontext_t *u);
@ -152,6 +172,8 @@ extern int UNW_OBJ(get_reg) (unw_cursor_t *c, int regnum, unw_word_t *valp);
extern int UNW_OBJ(set_reg) (unw_cursor_t *c, int regnum, unw_word_t val);
extern int UNW_OBJ(get_fpreg) (unw_cursor_t *c, int regnum, unw_fpreg_t *val);
extern int UNW_OBJ(set_fpreg) (unw_cursor_t *c, int regnum, unw_fpreg_t val);
extern int UNW_OBJ(get_save_loc) (unw_cursor_t *c, int regnum,
unw_save_loc_t *loc);
extern int UNW_OBJ(is_signal_frame) (unw_cursor_t *c);
/* Initialize cursor C such that unwinding starts at the point