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(UNW_REG_EH_ARG0): New well-known register name.

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(UNW_REG_EH_ARG1): Ditto.
(UNW_REG_EH_ARG2): Ditto.
(UNW_REG_EH_ARG3): Ditto.
(unw_fpreg_t): Make it a target-dependent type.
(unw_get_proc_name): Also return the offset relative to the function name returned.

(Logical change 1.45)
This commit is contained in:
mostang.com!davidm 2003-02-08 10:10:59 +00:00
parent 5db393915c
commit 981c8cc37b
1 changed files with 10 additions and 15 deletions
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25
include/libunwind-common.h
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@ -28,7 +28,6 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#define UNW_OBJ(fn) UNW_PASTE(UNW_PREFIX, fn)
#define UNW_ARCH_OBJ(fn) UNW_PASTE(UNW_PASTE(UNW_PASTE(_U,UNW_TARGET),_), fn)
#ifdef UNW_LOCAL_ONLY
# define UNW_PREFIX UNW_PASTE(UNW_PASTE(_UL,UNW_TARGET),_)
#else /* !UNW_LOCAL_ONLY */
@ -66,6 +65,10 @@ typedef enum
{
UNW_REG_IP = UNW_TDEP_IP, /* (rw) instruction pointer (pc) */
UNW_REG_SP = UNW_TDEP_SP, /* (ro) stack pointer */
UNW_REG_EH_ARG0 = UNW_TDEP_EH_ARG0, /* (rw) exception-handling arg 0 */
UNW_REG_EH_ARG1 = UNW_TDEP_EH_ARG1, /* (rw) exception-handling arg 1 */
UNW_REG_EH_ARG2 = UNW_TDEP_EH_ARG2, /* (rw) exception-handling arg 2 */
UNW_REG_EH_ARG3 = UNW_TDEP_EH_ARG3, /* (rw) exception-handling arg 3 */
UNW_REG_LAST = UNW_TDEP_LAST_REG
}
unw_frame_regnum_t;
@ -99,17 +102,7 @@ typedef unw_tdep_context_t unw_context_t;
to think of unw_getcontext() as being identical to getcontext(). */
#define unw_getcontext(uc) unw_tdep_getcontext(uc)
/* We will assume that "long double" is sufficiently large and aligned
to hold the contents of a floating-point register. Note that the
fp register format is not usually the same format as a "long
double". Instead, the content of unw_fpreg_t should be manipulated
only through the "raw.bits" member. */
typedef union
{
struct { unw_word_t bits[1]; } raw;
long double dummy; /* dummy to force 16-byte alignment */
}
unw_fpreg_t;
typedef unw_tdep_fpreg_t unw_fpreg_t;
typedef struct unw_addr_space *unw_addr_space_t;
@ -224,7 +217,8 @@ 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);
extern int UNW_OBJ(get_proc_name) (unw_cursor_t *c, char *buf, size_t buf_len);
extern int UNW_OBJ(get_proc_name) (unw_cursor_t *c, char *buf, size_t buf_len,
unw_word_t *offsetp);
#define unw_local_addr_space UNW_OBJ(local_addr_space)
@ -303,8 +297,9 @@ extern int UNW_OBJ(get_proc_name) (unw_cursor_t *c, char *buf, size_t buf_len);
string buffer is too small to store the entire name, the first
portion of the string that can fit is stored in the buffer (along
with a terminating NUL character) and -UNW_ENOMEM is returned. If
no name can be determined, -UNW_ENOINFO is returned. */
#define unw_get_proc_name(c,s,l) UNW_OBJ(get_proc_name)(c, s, l)
no name can be determined, -UNW_ENOINFO is returned.
This routine is NOT signal-safe. */
#define unw_get_proc_name(c,s,l,o) UNW_OBJ(get_proc_name)(c, s, l, o)
/* Returns the canonical register name of register R. R must be in
the range from 0 to UNW_REG_LAST. Like all other unwind routines,