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153 lines
4.5 KiB
C
153 lines
4.5 KiB
C
/* libunwind - a platform-independent unwind library
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Copyright (C) 2003 Hewlett-Packard Co
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Contributed by ...
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This file is part of libunwind.
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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#ifndef unwind_i_h
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#define unwind_i_h
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#include <memory.h>
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#include <stdint.h>
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#include <libunwind-hppa.h>
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#include "internal.h"
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#include "tdep.h"
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#define HPPA_GET_LOC(l) ((l).val)
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#ifdef UNW_LOCAL_ONLY
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# define HPPA_LOC(r, t) ((struct hppa_loc) { .val = (r) })
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# define HPPA_REG_LOC(c,r) (HPPA_LOC((unw_word_t) \
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tdep_uc_addr((c)->as_arg, (r)), 0))
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# define HPPA_FPREG_FLOC(c,r) (HPPA_LOC((unw_word_t) \
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tdep_uc_addr((c)->as_arg, (r)), 0))
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static inline int
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hppa_getfp (struct cursor *c, struct hppa_loc loc, unw_fpreg_t *val)
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{
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if (!HPPA_GET_LOC (loc))
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return -1;
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*val = *(unw_fpreg_t *) HPPA_GET_LOC (loc);
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return 0;
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}
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static inline int
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hppa_putfp (struct cursor *c, struct hppa_loc loc, unw_fpreg_t *val)
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{
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if (!HPPA_GET_LOC (loc))
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return -1;
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*(unw_fpreg_t *) HPPA_GET_LOC (loc) = *val;
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return 0;
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}
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static inline int
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hppa_get (struct cursor *c, struct hppa_loc loc, unw_word_t *val)
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{
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if (!HPPA_GET_LOC (loc))
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return -1;
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*val = *(unw_word_t *) HPPA_GET_LOC (loc);
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return 0;
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}
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static inline int
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hppa_put (struct cursor *c, struct hppa_loc loc, unw_word_t val)
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{
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if (!HPPA_GET_LOC (loc))
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return -1;
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*(unw_word_t *) HPPA_GET_LOC (loc) = val;
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return 0;
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}
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#else /* !UNW_LOCAL_ONLY */
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# define HPPA_LOC_TYPE_FP (1 << 0)
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# define HPPA_LOC_TYPE_REG (1 << 1)
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# define HPPA_LOC(r, t) ((struct hppa_loc) { .val = (r), .type = (t) })
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# define HPPA_IS_REG_LOC(l) (((l).type & HPPA_LOC_TYPE_REG) != 0)
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# define HPPA_IS_FP_LOC(l) (((l).type & HPPA_LOC_TYPE_FP) != 0)
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# define HPPA_REG_LOC(c,r) HPPA_LOC((r), HPPA_LOC_TYPE_REG)
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# define HPPA_FPREG_LOC(c,r) HPPA_LOC((r), (HPPA_LOC_TYPE_REG \
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| HPPA_LOC_TYPE_FP))
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static inline int
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hppa_getfp (struct cursor *c, struct hppa_loc loc, unw_fpreg_t *val)
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{
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abort ();
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}
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static inline int
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hppa_putfp (struct cursor *c, struct hppa_loc loc, unw_fpreg_t val)
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{
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abort ();
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}
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static inline int
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hppa_get (struct cursor *c, struct hppa_loc loc, unw_word_t *val)
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{
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if (HPPA_IS_FP_LOC (loc))
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abort ();
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if (HPPA_IS_REG_LOC (loc))
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return (*c->as->acc.access_reg)(c->as, HPPA_GET_LOC (loc), val, 0,
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c->as_arg);
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else
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return (*c->as->acc.access_mem)(c->as, HPPA_GET_LOC (loc), val, 0,
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c->as_arg);
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}
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static inline int
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hppa_put (struct cursor *c, struct hppa_loc loc, unw_word_t val)
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{
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if (HPPA_IS_FP_LOC (loc))
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abort ();
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if (HPPA_IS_REG_LOC (loc))
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return (*c->as->acc.access_reg)(c->as, HPPA_GET_LOC (loc), &val, 1,
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c->as_arg);
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else
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return (*c->as->acc.access_mem)(c->as, HPPA_GET_LOC (loc), &val, 1,
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c->as_arg);
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}
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#endif /* !UNW_LOCAL_ONLY */
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#define hppa_needs_initialization UNW_ARCH_OBJ(needs_initialization)
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#define hppa_init UNW_ARCH_OBJ(init)
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#define hppa_access_reg UNW_OBJ(access_reg)
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#define hppa_access_fpreg UNW_OBJ(access_fpreg)
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#define hppa_local_resume UNW_OBJ(local_resume)
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#define hppa_local_addr_space_init UNW_OBJ(local_addr_space_init)
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extern int hppa_needs_initialization;
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extern void hppa_init (void);
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extern int hppa_access_reg (struct cursor *c, unw_regnum_t reg,
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unw_word_t *valp, int write);
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extern int hppa_access_fpreg (struct cursor *c, unw_regnum_t reg,
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unw_fpreg_t *valp, int write);
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extern void hppa_local_addr_space_init (void);
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extern int hppa_local_resume (unw_addr_space_t as, unw_cursor_t *cursor,
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void *arg);
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#endif /* unwind_i_h */
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