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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_OBJ(fn) UNW_PASTE(UNW_PREFIX, fn)
#define UNW_ARCH_OBJ(fn) UNW_PASTE(UNW_PASTE(UNW_PASTE(_U,UNW_TARGET),_), fn) #define UNW_ARCH_OBJ(fn) UNW_PASTE(UNW_PASTE(UNW_PASTE(_U,UNW_TARGET),_), fn)
#ifdef UNW_LOCAL_ONLY #ifdef UNW_LOCAL_ONLY
# define UNW_PREFIX UNW_PASTE(UNW_PASTE(_UL,UNW_TARGET),_) # define UNW_PREFIX UNW_PASTE(UNW_PASTE(_UL,UNW_TARGET),_)
#else /* !UNW_LOCAL_ONLY */ #else /* !UNW_LOCAL_ONLY */
@ -66,6 +65,10 @@ typedef enum
{ {
UNW_REG_IP = UNW_TDEP_IP, /* (rw) instruction pointer (pc) */ UNW_REG_IP = UNW_TDEP_IP, /* (rw) instruction pointer (pc) */
UNW_REG_SP = UNW_TDEP_SP, /* (ro) stack pointer */ 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_REG_LAST = UNW_TDEP_LAST_REG
} }
unw_frame_regnum_t; 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(). */ to think of unw_getcontext() as being identical to getcontext(). */
#define unw_getcontext(uc) unw_tdep_getcontext(uc) #define unw_getcontext(uc) unw_tdep_getcontext(uc)
/* We will assume that "long double" is sufficiently large and aligned typedef unw_tdep_fpreg_t unw_fpreg_t;
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 struct unw_addr_space *unw_addr_space_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, extern int UNW_OBJ(get_save_loc) (unw_cursor_t *c, int regnum,
unw_save_loc_t *loc); unw_save_loc_t *loc);
extern int UNW_OBJ(is_signal_frame) (unw_cursor_t *c); 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) #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 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 portion of the string that can fit is stored in the buffer (along
with a terminating NUL character) and -UNW_ENOMEM is returned. If with a terminating NUL character) and -UNW_ENOMEM is returned. If
no name can be determined, -UNW_ENOINFO is returned. */ 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) 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 /* 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, the range from 0 to UNW_REG_LAST. Like all other unwind routines,