mirror of
https://github.com/tobast/libunwind-eh_elf.git
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Restore more files wiped out by Bitkeeper->CVS->GIT transition.
This commit is contained in:
David Mosberger-Tang
parent
9e927e7087
commit
37be21c01e
7 changed files with 885 additions and 0 deletions
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/* libunwind - a platform-independent unwind library
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Copyright (C) 2003-2005 Hewlett-Packard Co
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Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
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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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||||||
|
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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 HPPA_LIBUNWIND_I_H
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#define HPPA_LIBUNWIND_I_H
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/* Target-dependent definitions that are internal to libunwind but need
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to be shared with target-independent code. */
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#include <stdlib.h>
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#include <libunwind.h>
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#include "elf32.h"
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#include "dwarf.h"
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struct unw_addr_space
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{
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struct unw_accessors acc;
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unw_caching_policy_t caching_policy;
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#ifdef HAVE_ATOMIC_OPS_H
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AO_t cache_generation;
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#else
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uint32_t cache_generation;
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#endif
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unw_word_t dyn_generation; /* see dyn-common.h */
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unw_word_t dyn_info_list_addr; /* (cached) dyn_info_list_addr */
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};
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struct cursor
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{
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struct dwarf_cursor dwarf; /* must be first */
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/* Format of sigcontext structure and address at which it is
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stored: */
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enum
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{
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HPPA_SCF_NONE, /* no signal frame encountered */
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HPPA_SCF_LINUX_RT_SIGFRAME /* POSIX ucontext_t */
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}
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sigcontext_format;
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unw_word_t sigcontext_addr;
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};
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#define DWARF_GET_LOC(l) ((l).val)
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#ifdef UNW_LOCAL_ONLY
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# define DWARF_NULL_LOC DWARF_LOC (0, 0)
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# define DWARF_IS_NULL_LOC(l) (DWARF_GET_LOC (l) == 0)
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# define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r) })
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# define DWARF_IS_REG_LOC(l) 0
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# define DWARF_REG_LOC(c,r) (DWARF_LOC((unw_word_t) \
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tdep_uc_addr((c)->as_arg, (r)), 0))
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# define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0)
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# define DWARF_FPREG_LOC(c,r) (DWARF_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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dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val)
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{
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if (!DWARF_GET_LOC (loc))
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return -1;
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*val = *(unw_fpreg_t *) DWARF_GET_LOC (loc);
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return 0;
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}
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static inline int
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dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val)
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{
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if (!DWARF_GET_LOC (loc))
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return -1;
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*(unw_fpreg_t *) DWARF_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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dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val)
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{
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if (!DWARF_GET_LOC (loc))
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return -1;
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*val = *(unw_word_t *) DWARF_GET_LOC (loc);
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return 0;
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}
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static inline int
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dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val)
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{
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if (!DWARF_GET_LOC (loc))
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return -1;
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*(unw_word_t *) DWARF_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 DWARF_LOC_TYPE_FP (1 << 0)
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# define DWARF_LOC_TYPE_REG (1 << 1)
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# define DWARF_NULL_LOC DWARF_LOC (0, 0)
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# define DWARF_IS_NULL_LOC(l) \
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({ dwarf_loc_t _l = (l); _l.val == 0 && _l.type == 0; })
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# define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r), .type = (t) })
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# define DWARF_IS_REG_LOC(l) (((l).type & DWARF_LOC_TYPE_REG) != 0)
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# define DWARF_IS_FP_LOC(l) (((l).type & DWARF_LOC_TYPE_FP) != 0)
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# define DWARF_REG_LOC(c,r) DWARF_LOC((r), DWARF_LOC_TYPE_REG)
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# define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0)
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# define DWARF_FPREG_LOC(c,r) DWARF_LOC((r), (DWARF_LOC_TYPE_REG \
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| DWARF_LOC_TYPE_FP))
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static inline int
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dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val)
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{
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char *valp = (char *) &val;
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unw_word_t addr;
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int ret;
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if (DWARF_IS_NULL_LOC (loc))
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return -UNW_EBADREG;
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if (DWARF_IS_REG_LOC (loc))
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return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc),
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val, 0, c->as_arg);
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addr = DWARF_GET_LOC (loc);
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if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp,
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0, c->as_arg)) < 0)
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return ret;
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return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1, 0,
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c->as_arg);
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}
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static inline int
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dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val)
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{
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char *valp = (char *) &val;
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unw_word_t addr;
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int ret;
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if (DWARF_IS_NULL_LOC (loc))
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return -UNW_EBADREG;
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if (DWARF_IS_REG_LOC (loc))
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return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc),
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&val, 1, c->as_arg);
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addr = DWARF_GET_LOC (loc);
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if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp,
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1, c->as_arg)) < 0)
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return ret;
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return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1,
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1, c->as_arg);
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}
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static inline int
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dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val)
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{
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if (DWARF_IS_NULL_LOC (loc))
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return -UNW_EBADREG;
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/* If a code-generator were to save a value of type unw_word_t in a
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floating-point register, we would have to support this case. I
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suppose it could happen with MMX registers, but does it really
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happen? */
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assert (!DWARF_IS_FP_LOC (loc));
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if (DWARF_IS_REG_LOC (loc))
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return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), val,
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0, c->as_arg);
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else
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return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), val,
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0, c->as_arg);
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}
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static inline int
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dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val)
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{
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if (DWARF_IS_NULL_LOC (loc))
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return -UNW_EBADREG;
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/* If a code-generator were to save a value of type unw_word_t in a
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floating-point register, we would have to support this case. I
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suppose it could happen with MMX registers, but does it really
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happen? */
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assert (!DWARF_IS_FP_LOC (loc));
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if (DWARF_IS_REG_LOC (loc))
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return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), &val,
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1, c->as_arg);
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else
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return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), &val,
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1, c->as_arg);
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}
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#endif /* !UNW_LOCAL_ONLY */
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#define tdep_needs_initialization UNW_OBJ(needs_initialization)
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#define tdep_init UNW_OBJ(init)
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/* Platforms that support UNW_INFO_FORMAT_TABLE need to define
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tdep_search_unwind_table. */
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#define tdep_search_unwind_table dwarf_search_unwind_table
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#define tdep_uc_addr UNW_ARCH_OBJ(uc_addr)
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#define tdep_get_elf_image UNW_ARCH_OBJ(get_elf_image)
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#define tdep_access_reg UNW_OBJ(access_reg)
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#define tdep_access_fpreg UNW_OBJ(access_fpreg)
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#ifdef UNW_LOCAL_ONLY
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# define tdep_find_proc_info(c,ip,n) \
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dwarf_find_proc_info((c)->as, (ip), &(c)->pi, (n), \
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(c)->as_arg)
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# define tdep_put_unwind_info(c,pi) \
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dwarf_put_unwind_info((c)->as, (pi), (c)->as_arg)
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#else
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# define tdep_find_proc_info(c,ip,n) \
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(*(c)->as->acc.find_proc_info)((c)->as, (ip), &(c)->pi, (n), \
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(c)->as_arg)
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# define tdep_put_unwind_info(c,pi) \
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(*(c)->as->acc.put_unwind_info)((c)->as, (pi), (c)->as_arg)
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#endif
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#define tdep_get_as(c) ((c)->dwarf.as)
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#define tdep_get_as_arg(c) ((c)->dwarf.as_arg)
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#define tdep_get_ip(c) ((c)->dwarf.ip)
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#define tdep_big_endian(as) 1
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extern int tdep_needs_initialization;
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extern void tdep_init (void);
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extern int tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip,
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unw_dyn_info_t *di, unw_proc_info_t *pi,
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int need_unwind_info, void *arg);
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extern void *tdep_uc_addr (ucontext_t *uc, int reg);
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extern int tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip,
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unsigned long *segbase, unsigned long *mapoff);
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extern int tdep_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 tdep_access_fpreg (struct cursor *c, unw_regnum_t reg,
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unw_fpreg_t *valp, int write);
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#endif /* HPPA_LIBUNWIND_I_H */
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@ -0,0 +1,67 @@
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/*
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* Copyright (C) 1998, 1999, 2002, 2003, 2005 Hewlett-Packard Co
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* David Mosberger-Tang <davidm@hpl.hp.com>
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|
*
|
||||||
|
* Register stack engine related helper functions. This file may be
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||||||
|
* used in applications, so be careful about the name-space and give
|
||||||
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* some consideration to non-GNU C compilers (though __inline__ is
|
||||||
|
* fine).
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||||||
|
*/
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|
#ifndef RSE_H
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||||||
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#define RSE_H
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||||||
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||||||
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#include <libunwind.h>
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||||||
|
|
||||||
|
static inline uint64_t
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||||||
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rse_slot_num (uint64_t addr)
|
||||||
|
{
|
||||||
|
return (addr >> 3) & 0x3f;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Return TRUE if ADDR is the address of an RNAT slot.
|
||||||
|
*/
|
||||||
|
static inline uint64_t
|
||||||
|
rse_is_rnat_slot (uint64_t addr)
|
||||||
|
{
|
||||||
|
return rse_slot_num (addr) == 0x3f;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Returns the address of the RNAT slot that covers the slot at
|
||||||
|
* address SLOT_ADDR.
|
||||||
|
*/
|
||||||
|
static inline uint64_t
|
||||||
|
rse_rnat_addr (uint64_t slot_addr)
|
||||||
|
{
|
||||||
|
return slot_addr | (0x3f << 3);
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Calculate the number of registers in the dirty partition starting at
|
||||||
|
* BSPSTORE and ending at BSP. This isn't simply (BSP-BSPSTORE)/8
|
||||||
|
* because every 64th slot stores ar.rnat.
|
||||||
|
*/
|
||||||
|
static inline uint64_t
|
||||||
|
rse_num_regs (uint64_t bspstore, uint64_t bsp)
|
||||||
|
{
|
||||||
|
uint64_t slots = (bsp - bspstore) >> 3;
|
||||||
|
|
||||||
|
return slots - (rse_slot_num(bspstore) + slots)/0x40;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* The inverse of the above: given bspstore and the number of
|
||||||
|
* registers, calculate ar.bsp.
|
||||||
|
*/
|
||||||
|
static inline uint64_t
|
||||||
|
rse_skip_regs (uint64_t addr, long num_regs)
|
||||||
|
{
|
||||||
|
long delta = rse_slot_num(addr) + num_regs;
|
||||||
|
|
||||||
|
if (num_regs < 0)
|
||||||
|
delta -= 0x3e;
|
||||||
|
return addr + ((num_regs + delta/0x3f) << 3);
|
||||||
|
}
|
||||||
|
|
||||||
|
#endif /* RSE_H */
|
||||||
|
|
@ -0,0 +1,261 @@
|
||||||
|
/* libunwind - a platform-independent unwind library
|
||||||
|
Copyright (C) 2002-2005 Hewlett-Packard Co
|
||||||
|
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
|
||||||
|
|
||||||
|
This file is part of libunwind.
|
||||||
|
|
||||||
|
Permission is hereby granted, free of charge, to any person obtaining
|
||||||
|
a copy of this software and associated documentation files (the
|
||||||
|
"Software"), to deal in the Software without restriction, including
|
||||||
|
without limitation the rights to use, copy, modify, merge, publish,
|
||||||
|
distribute, sublicense, and/or sell copies of the Software, and to
|
||||||
|
permit persons to whom the Software is furnished to do so, subject to
|
||||||
|
the following conditions:
|
||||||
|
|
||||||
|
The above copyright notice and this permission notice shall be
|
||||||
|
included in all copies or substantial portions of the Software.
|
||||||
|
|
||||||
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||||
|
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||||
|
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||||
|
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
||||||
|
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
||||||
|
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
||||||
|
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
||||||
|
|
||||||
|
#ifndef X86_LIBUNWIND_I_H
|
||||||
|
#define X86_LIBUNWIND_I_H
|
||||||
|
|
||||||
|
/* Target-dependent definitions that are internal to libunwind but need
|
||||||
|
to be shared with target-independent code. */
|
||||||
|
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <libunwind.h>
|
||||||
|
|
||||||
|
#include "elf32.h"
|
||||||
|
#include "dwarf.h"
|
||||||
|
|
||||||
|
struct unw_addr_space
|
||||||
|
{
|
||||||
|
struct unw_accessors acc;
|
||||||
|
unw_caching_policy_t caching_policy;
|
||||||
|
#ifdef HAVE_ATOMIC_OPS_H
|
||||||
|
AO_t cache_generation;
|
||||||
|
#else
|
||||||
|
uint32_t cache_generation;
|
||||||
|
#endif
|
||||||
|
unw_word_t dyn_generation; /* see dyn-common.h */
|
||||||
|
unw_word_t dyn_info_list_addr; /* (cached) dyn_info_list_addr */
|
||||||
|
};
|
||||||
|
|
||||||
|
struct cursor
|
||||||
|
{
|
||||||
|
struct dwarf_cursor dwarf; /* must be first */
|
||||||
|
|
||||||
|
/* Format of sigcontext structure and address at which it is
|
||||||
|
stored: */
|
||||||
|
enum
|
||||||
|
{
|
||||||
|
X86_SCF_NONE, /* no signal frame encountered */
|
||||||
|
X86_SCF_LINUX_SIGFRAME, /* classic x86 sigcontext */
|
||||||
|
X86_SCF_LINUX_RT_SIGFRAME /* POSIX ucontext_t */
|
||||||
|
}
|
||||||
|
sigcontext_format;
|
||||||
|
unw_word_t sigcontext_addr;
|
||||||
|
};
|
||||||
|
|
||||||
|
#define DWARF_GET_LOC(l) ((l).val)
|
||||||
|
|
||||||
|
#ifdef UNW_LOCAL_ONLY
|
||||||
|
# define DWARF_NULL_LOC DWARF_LOC (0, 0)
|
||||||
|
# define DWARF_IS_NULL_LOC(l) (DWARF_GET_LOC (l) == 0)
|
||||||
|
# define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r) })
|
||||||
|
# define DWARF_IS_REG_LOC(l) 0
|
||||||
|
# define DWARF_REG_LOC(c,r) (DWARF_LOC((unw_word_t) \
|
||||||
|
tdep_uc_addr((c)->as_arg, (r)), 0))
|
||||||
|
# define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0)
|
||||||
|
# define DWARF_FPREG_LOC(c,r) (DWARF_LOC((unw_word_t) \
|
||||||
|
tdep_uc_addr((c)->as_arg, (r)), 0))
|
||||||
|
|
||||||
|
static inline int
|
||||||
|
dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val)
|
||||||
|
{
|
||||||
|
if (!DWARF_GET_LOC (loc))
|
||||||
|
return -1;
|
||||||
|
*val = *(unw_fpreg_t *) DWARF_GET_LOC (loc);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static inline int
|
||||||
|
dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val)
|
||||||
|
{
|
||||||
|
if (!DWARF_GET_LOC (loc))
|
||||||
|
return -1;
|
||||||
|
*(unw_fpreg_t *) DWARF_GET_LOC (loc) = val;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static inline int
|
||||||
|
dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val)
|
||||||
|
{
|
||||||
|
if (!DWARF_GET_LOC (loc))
|
||||||
|
return -1;
|
||||||
|
*val = *(unw_word_t *) DWARF_GET_LOC (loc);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static inline int
|
||||||
|
dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val)
|
||||||
|
{
|
||||||
|
if (!DWARF_GET_LOC (loc))
|
||||||
|
return -1;
|
||||||
|
*(unw_word_t *) DWARF_GET_LOC (loc) = val;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
#else /* !UNW_LOCAL_ONLY */
|
||||||
|
# define DWARF_LOC_TYPE_FP (1 << 0)
|
||||||
|
# define DWARF_LOC_TYPE_REG (1 << 1)
|
||||||
|
# define DWARF_NULL_LOC DWARF_LOC (0, 0)
|
||||||
|
# define DWARF_IS_NULL_LOC(l) \
|
||||||
|
({ dwarf_loc_t _l = (l); _l.val == 0 && _l.type == 0; })
|
||||||
|
# define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r), .type = (t) })
|
||||||
|
# define DWARF_IS_REG_LOC(l) (((l).type & DWARF_LOC_TYPE_REG) != 0)
|
||||||
|
# define DWARF_IS_FP_LOC(l) (((l).type & DWARF_LOC_TYPE_FP) != 0)
|
||||||
|
# define DWARF_REG_LOC(c,r) DWARF_LOC((r), DWARF_LOC_TYPE_REG)
|
||||||
|
# define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0)
|
||||||
|
# define DWARF_FPREG_LOC(c,r) DWARF_LOC((r), (DWARF_LOC_TYPE_REG \
|
||||||
|
| DWARF_LOC_TYPE_FP))
|
||||||
|
|
||||||
|
static inline int
|
||||||
|
dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val)
|
||||||
|
{
|
||||||
|
char *valp = (char *) &val;
|
||||||
|
unw_word_t addr;
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
if (DWARF_IS_NULL_LOC (loc))
|
||||||
|
return -UNW_EBADREG;
|
||||||
|
|
||||||
|
if (DWARF_IS_REG_LOC (loc))
|
||||||
|
return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc),
|
||||||
|
val, 0, c->as_arg);
|
||||||
|
|
||||||
|
addr = DWARF_GET_LOC (loc);
|
||||||
|
if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp,
|
||||||
|
0, c->as_arg)) < 0)
|
||||||
|
return ret;
|
||||||
|
|
||||||
|
return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1, 0,
|
||||||
|
c->as_arg);
|
||||||
|
}
|
||||||
|
|
||||||
|
static inline int
|
||||||
|
dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val)
|
||||||
|
{
|
||||||
|
char *valp = (char *) &val;
|
||||||
|
unw_word_t addr;
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
if (DWARF_IS_NULL_LOC (loc))
|
||||||
|
return -UNW_EBADREG;
|
||||||
|
|
||||||
|
if (DWARF_IS_REG_LOC (loc))
|
||||||
|
return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc),
|
||||||
|
&val, 1, c->as_arg);
|
||||||
|
|
||||||
|
addr = DWARF_GET_LOC (loc);
|
||||||
|
if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp,
|
||||||
|
1, c->as_arg)) < 0)
|
||||||
|
return ret;
|
||||||
|
|
||||||
|
return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1,
|
||||||
|
1, c->as_arg);
|
||||||
|
}
|
||||||
|
|
||||||
|
static inline int
|
||||||
|
dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val)
|
||||||
|
{
|
||||||
|
if (DWARF_IS_NULL_LOC (loc))
|
||||||
|
return -UNW_EBADREG;
|
||||||
|
|
||||||
|
/* If a code-generator were to save a value of type unw_word_t in a
|
||||||
|
floating-point register, we would have to support this case. I
|
||||||
|
suppose it could happen with MMX registers, but does it really
|
||||||
|
happen? */
|
||||||
|
assert (!DWARF_IS_FP_LOC (loc));
|
||||||
|
|
||||||
|
if (DWARF_IS_REG_LOC (loc))
|
||||||
|
return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), val,
|
||||||
|
0, c->as_arg);
|
||||||
|
else
|
||||||
|
return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), val,
|
||||||
|
0, c->as_arg);
|
||||||
|
}
|
||||||
|
|
||||||
|
static inline int
|
||||||
|
dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val)
|
||||||
|
{
|
||||||
|
if (DWARF_IS_NULL_LOC (loc))
|
||||||
|
return -UNW_EBADREG;
|
||||||
|
|
||||||
|
/* If a code-generator were to save a value of type unw_word_t in a
|
||||||
|
floating-point register, we would have to support this case. I
|
||||||
|
suppose it could happen with MMX registers, but does it really
|
||||||
|
happen? */
|
||||||
|
assert (!DWARF_IS_FP_LOC (loc));
|
||||||
|
|
||||||
|
if (DWARF_IS_REG_LOC (loc))
|
||||||
|
return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), &val,
|
||||||
|
1, c->as_arg);
|
||||||
|
else
|
||||||
|
return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), &val,
|
||||||
|
1, c->as_arg);
|
||||||
|
}
|
||||||
|
|
||||||
|
#endif /* !UNW_LOCAL_ONLY */
|
||||||
|
|
||||||
|
#define tdep_needs_initialization UNW_OBJ(needs_initialization)
|
||||||
|
#define tdep_init UNW_OBJ(init)
|
||||||
|
/* Platforms that support UNW_INFO_FORMAT_TABLE need to define
|
||||||
|
tdep_search_unwind_table. */
|
||||||
|
#define tdep_search_unwind_table dwarf_search_unwind_table
|
||||||
|
#define tdep_uc_addr UNW_ARCH_OBJ(uc_addr)
|
||||||
|
#define tdep_get_elf_image UNW_ARCH_OBJ(get_elf_image)
|
||||||
|
#define tdep_access_reg UNW_OBJ(access_reg)
|
||||||
|
#define tdep_access_fpreg UNW_OBJ(access_fpreg)
|
||||||
|
|
||||||
|
#ifdef UNW_LOCAL_ONLY
|
||||||
|
# define tdep_find_proc_info(c,ip,n) \
|
||||||
|
dwarf_find_proc_info((c)->as, (ip), &(c)->pi, (n), \
|
||||||
|
(c)->as_arg)
|
||||||
|
# define tdep_put_unwind_info(as,pi,arg) \
|
||||||
|
dwarf_put_unwind_info((as), (pi), (arg))
|
||||||
|
#else
|
||||||
|
# define tdep_find_proc_info(c,ip,n) \
|
||||||
|
(*(c)->as->acc.find_proc_info)((c)->as, (ip), &(c)->pi, (n), \
|
||||||
|
(c)->as_arg)
|
||||||
|
# define tdep_put_unwind_info(as,pi,arg) \
|
||||||
|
(*(as)->acc.put_unwind_info)((as), (pi), (arg))
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#define tdep_get_as(c) ((c)->dwarf.as)
|
||||||
|
#define tdep_get_as_arg(c) ((c)->dwarf.as_arg)
|
||||||
|
#define tdep_get_ip(c) ((c)->dwarf.ip)
|
||||||
|
#define tdep_big_endian(as) 0
|
||||||
|
|
||||||
|
extern int tdep_needs_initialization;
|
||||||
|
|
||||||
|
extern void tdep_init (void);
|
||||||
|
extern int tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip,
|
||||||
|
unw_dyn_info_t *di, unw_proc_info_t *pi,
|
||||||
|
int need_unwind_info, void *arg);
|
||||||
|
extern void *tdep_uc_addr (ucontext_t *uc, int reg);
|
||||||
|
extern int tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip,
|
||||||
|
unsigned long *segbase, unsigned long *mapoff);
|
||||||
|
extern int tdep_access_reg (struct cursor *c, unw_regnum_t reg,
|
||||||
|
unw_word_t *valp, int write);
|
||||||
|
extern int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg,
|
||||||
|
unw_fpreg_t *valp, int write);
|
||||||
|
|
||||||
|
#endif /* X86_LIBUNWIND_I_H */
|
||||||
|
|
@ -0,0 +1,55 @@
|
||||||
|
/* libunwind - a platform-independent unwind library
|
||||||
|
Copyright (c) 2003, 2005 Hewlett-Packard Development Company, L.P.
|
||||||
|
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
|
||||||
|
|
||||||
|
Modified for x86_64 by Max Asbock <masbock@us.ibm.com>
|
||||||
|
|
||||||
|
This file is part of libunwind.
|
||||||
|
|
||||||
|
Permission is hereby granted, free of charge, to any person obtaining
|
||||||
|
a copy of this software and associated documentation files (the
|
||||||
|
"Software"), to deal in the Software without restriction, including
|
||||||
|
without limitation the rights to use, copy, modify, merge, publish,
|
||||||
|
distribute, sublicense, and/or sell copies of the Software, and to
|
||||||
|
permit persons to whom the Software is furnished to do so, subject to
|
||||||
|
the following conditions:
|
||||||
|
|
||||||
|
The above copyright notice and this permission notice shall be
|
||||||
|
included in all copies or substantial portions of the Software.
|
||||||
|
|
||||||
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||||
|
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||||
|
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||||
|
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
||||||
|
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
||||||
|
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
||||||
|
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
||||||
|
|
||||||
|
/* copy of include/tdep-x86/dwarf-config.h, modified slightly for x86-64
|
||||||
|
some consolidation is possible here */
|
||||||
|
|
||||||
|
#ifndef dwarf_config_h
|
||||||
|
#define dwarf_config_h
|
||||||
|
|
||||||
|
/* XXX need to verify if this value is correct */
|
||||||
|
#define DWARF_NUM_PRESERVED_REGS 17
|
||||||
|
|
||||||
|
#define DWARF_REGNUM_MAP_LENGTH 17
|
||||||
|
|
||||||
|
/* Return TRUE if the ADDR_SPACE uses big-endian byte-order. */
|
||||||
|
#define dwarf_is_big_endian(addr_space) 0
|
||||||
|
|
||||||
|
/* Convert a pointer to a dwarf_cursor structure to a pointer to
|
||||||
|
unw_cursor_t. */
|
||||||
|
#define dwarf_to_cursor(c) ((unw_cursor_t *) (c))
|
||||||
|
|
||||||
|
typedef struct dwarf_loc
|
||||||
|
{
|
||||||
|
unw_word_t val;
|
||||||
|
#ifndef UNW_LOCAL_ONLY
|
||||||
|
unw_word_t type; /* see X86_LOC_TYPE_* macros. */
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
dwarf_loc_t;
|
||||||
|
|
||||||
|
#endif /* dwarf_config_h */
|
||||||
|
|
@ -0,0 +1,232 @@
|
||||||
|
/* libunwind - a platform-independent unwind library
|
||||||
|
Copyright (C) 2002-2005 Hewlett-Packard Co
|
||||||
|
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
|
||||||
|
|
||||||
|
Modified for x86_64 by Max Asbock <masbock@us.ibm.com>
|
||||||
|
|
||||||
|
This file is part of libunwind.
|
||||||
|
|
||||||
|
Permission is hereby granted, free of charge, to any person obtaining
|
||||||
|
a copy of this software and associated documentation files (the
|
||||||
|
"Software"), to deal in the Software without restriction, including
|
||||||
|
without limitation the rights to use, copy, modify, merge, publish,
|
||||||
|
distribute, sublicense, and/or sell copies of the Software, and to
|
||||||
|
permit persons to whom the Software is furnished to do so, subject to
|
||||||
|
the following conditions:
|
||||||
|
|
||||||
|
The above copyright notice and this permission notice shall be
|
||||||
|
included in all copies or substantial portions of the Software.
|
||||||
|
|
||||||
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||||
|
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||||
|
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||||
|
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
||||||
|
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
||||||
|
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
||||||
|
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
||||||
|
|
||||||
|
#ifndef X86_64_LIBUNWIND_I_H
|
||||||
|
#define X86_64_LIBUNWIND_I_H
|
||||||
|
|
||||||
|
/* Target-dependent definitions that are internal to libunwind but need
|
||||||
|
to be shared with target-independent code. */
|
||||||
|
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <libunwind.h>
|
||||||
|
|
||||||
|
#include "elf64.h"
|
||||||
|
#include "dwarf.h"
|
||||||
|
|
||||||
|
struct unw_addr_space
|
||||||
|
{
|
||||||
|
struct unw_accessors acc;
|
||||||
|
unw_caching_policy_t caching_policy;
|
||||||
|
#ifdef HAVE_ATOMIC_OPS_H
|
||||||
|
AO_t cache_generation;
|
||||||
|
#else
|
||||||
|
uint32_t cache_generation;
|
||||||
|
#endif
|
||||||
|
unw_word_t dyn_generation; /* see dyn-common.h */
|
||||||
|
unw_word_t dyn_info_list_addr; /* (cached) dyn_info_list_addr */
|
||||||
|
};
|
||||||
|
|
||||||
|
struct cursor
|
||||||
|
{
|
||||||
|
struct dwarf_cursor dwarf; /* must be first */
|
||||||
|
|
||||||
|
/* Format of sigcontext structure and address at which it is
|
||||||
|
stored: */
|
||||||
|
enum
|
||||||
|
{
|
||||||
|
X86_64_SCF_NONE, /* no signal frame encountered */
|
||||||
|
X86_64_SCF_LINUX_RT_SIGFRAME /* POSIX ucontext_t */
|
||||||
|
}
|
||||||
|
sigcontext_format;
|
||||||
|
unw_word_t sigcontext_addr;
|
||||||
|
};
|
||||||
|
|
||||||
|
#define DWARF_GET_LOC(l) ((l).val)
|
||||||
|
|
||||||
|
#ifdef UNW_LOCAL_ONLY
|
||||||
|
# define DWARF_NULL_LOC DWARF_LOC (0, 0)
|
||||||
|
# define DWARF_IS_NULL_LOC(l) (DWARF_GET_LOC (l) == 0)
|
||||||
|
# define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r) })
|
||||||
|
# define DWARF_IS_REG_LOC(l) 0
|
||||||
|
# define DWARF_REG_LOC(c,r) (DWARF_LOC((unw_word_t) \
|
||||||
|
tdep_uc_addr((c)->as_arg, (r)), 0))
|
||||||
|
# define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0)
|
||||||
|
# define DWARF_FPREG_LOC(c,r) (DWARF_LOC((unw_word_t) \
|
||||||
|
tdep_uc_addr((c)->as_arg, (r)), 0))
|
||||||
|
|
||||||
|
static inline int
|
||||||
|
dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val)
|
||||||
|
{
|
||||||
|
if (!DWARF_GET_LOC (loc))
|
||||||
|
return -1;
|
||||||
|
*val = *(unw_fpreg_t *) DWARF_GET_LOC (loc);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static inline int
|
||||||
|
dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val)
|
||||||
|
{
|
||||||
|
if (!DWARF_GET_LOC (loc))
|
||||||
|
return -1;
|
||||||
|
*(unw_fpreg_t *) DWARF_GET_LOC (loc) = val;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static inline int
|
||||||
|
dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val)
|
||||||
|
{
|
||||||
|
if (!DWARF_GET_LOC (loc))
|
||||||
|
return -1;
|
||||||
|
*val = *(unw_word_t *) DWARF_GET_LOC (loc);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static inline int
|
||||||
|
dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val)
|
||||||
|
{
|
||||||
|
if (!DWARF_GET_LOC (loc))
|
||||||
|
return -1;
|
||||||
|
*(unw_word_t *) DWARF_GET_LOC (loc) = val;
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
#else /* !UNW_LOCAL_ONLY */
|
||||||
|
# define DWARF_LOC_TYPE_FP (1 << 0)
|
||||||
|
# define DWARF_LOC_TYPE_REG (1 << 1)
|
||||||
|
# define DWARF_NULL_LOC DWARF_LOC (0, 0)
|
||||||
|
# define DWARF_IS_NULL_LOC(l) \
|
||||||
|
({ dwarf_loc_t _l = (l); _l.val == 0 && _l.type == 0; })
|
||||||
|
# define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r), .type = (t) })
|
||||||
|
# define DWARF_IS_REG_LOC(l) (((l).type & DWARF_LOC_TYPE_REG) != 0)
|
||||||
|
# define DWARF_IS_FP_LOC(l) (((l).type & DWARF_LOC_TYPE_FP) != 0)
|
||||||
|
# define DWARF_REG_LOC(c,r) DWARF_LOC((r), DWARF_LOC_TYPE_REG)
|
||||||
|
# define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0)
|
||||||
|
# define DWARF_FPREG_LOC(c,r) DWARF_LOC((r), (DWARF_LOC_TYPE_REG \
|
||||||
|
| DWARF_LOC_TYPE_FP))
|
||||||
|
|
||||||
|
static inline int
|
||||||
|
dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val)
|
||||||
|
{
|
||||||
|
if (DWARF_IS_NULL_LOC (loc))
|
||||||
|
return -UNW_EBADREG;
|
||||||
|
|
||||||
|
//# warning fix me
|
||||||
|
abort ();
|
||||||
|
}
|
||||||
|
|
||||||
|
static inline int
|
||||||
|
dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val)
|
||||||
|
{
|
||||||
|
if (DWARF_IS_NULL_LOC (loc))
|
||||||
|
return -UNW_EBADREG;
|
||||||
|
|
||||||
|
//# warning fix me
|
||||||
|
abort ();
|
||||||
|
}
|
||||||
|
|
||||||
|
static inline int
|
||||||
|
dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val)
|
||||||
|
{
|
||||||
|
if (DWARF_IS_NULL_LOC (loc))
|
||||||
|
return -UNW_EBADREG;
|
||||||
|
|
||||||
|
if (DWARF_IS_FP_LOC (loc))
|
||||||
|
//# warning fix me
|
||||||
|
abort ();
|
||||||
|
|
||||||
|
if (DWARF_IS_REG_LOC (loc))
|
||||||
|
return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), val,
|
||||||
|
0, c->as_arg);
|
||||||
|
else
|
||||||
|
return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), val,
|
||||||
|
0, c->as_arg);
|
||||||
|
}
|
||||||
|
|
||||||
|
static inline int
|
||||||
|
dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val)
|
||||||
|
{
|
||||||
|
if (DWARF_IS_NULL_LOC (loc))
|
||||||
|
return -UNW_EBADREG;
|
||||||
|
|
||||||
|
if (DWARF_IS_FP_LOC (loc))
|
||||||
|
//# warning fix me
|
||||||
|
abort ();
|
||||||
|
|
||||||
|
if (DWARF_IS_REG_LOC (loc))
|
||||||
|
return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), &val,
|
||||||
|
1, c->as_arg);
|
||||||
|
else
|
||||||
|
return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), &val,
|
||||||
|
1, c->as_arg);
|
||||||
|
}
|
||||||
|
|
||||||
|
#endif /* !UNW_LOCAL_ONLY */
|
||||||
|
|
||||||
|
#define tdep_needs_initialization UNW_OBJ(needs_initialization)
|
||||||
|
#define tdep_init UNW_OBJ(init)
|
||||||
|
/* Platforms that support UNW_INFO_FORMAT_TABLE need to define
|
||||||
|
tdep_search_unwind_table. */
|
||||||
|
#define tdep_search_unwind_table dwarf_search_unwind_table
|
||||||
|
#define tdep_uc_addr UNW_ARCH_OBJ(uc_addr)
|
||||||
|
#define tdep_get_elf_image UNW_ARCH_OBJ(get_elf_image)
|
||||||
|
#define tdep_access_reg UNW_OBJ(access_reg)
|
||||||
|
#define tdep_access_fpreg UNW_OBJ(access_fpreg)
|
||||||
|
|
||||||
|
#ifdef UNW_LOCAL_ONLY
|
||||||
|
# define tdep_find_proc_info(c,ip,n) \
|
||||||
|
dwarf_find_proc_info((c)->as, (ip), &(c)->pi, (n), \
|
||||||
|
(c)->as_arg)
|
||||||
|
# define tdep_put_unwind_info(as,pi,arg) \
|
||||||
|
dwarf_put_unwind_info((as), (pi), (arg))
|
||||||
|
#else
|
||||||
|
# define tdep_find_proc_info(c,ip,n) \
|
||||||
|
(*(c)->as->acc.find_proc_info)((c)->as, (ip), &(c)->pi, (n), \
|
||||||
|
(c)->as_arg)
|
||||||
|
# define tdep_put_unwind_info(as,pi,arg) \
|
||||||
|
(*(as)->acc.put_unwind_info)((as), (pi), (arg))
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#define tdep_get_as(c) ((c)->dwarf.as)
|
||||||
|
#define tdep_get_as_arg(c) ((c)->dwarf.as_arg)
|
||||||
|
#define tdep_get_ip(c) ((c)->dwarf.ip)
|
||||||
|
#define tdep_big_endian(as) 0
|
||||||
|
|
||||||
|
extern int tdep_needs_initialization;
|
||||||
|
|
||||||
|
extern void tdep_init (void);
|
||||||
|
extern int tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip,
|
||||||
|
unw_dyn_info_t *di, unw_proc_info_t *pi,
|
||||||
|
int need_unwind_info, void *arg);
|
||||||
|
extern void *tdep_uc_addr (ucontext_t *uc, int reg);
|
||||||
|
extern int tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip,
|
||||||
|
unsigned long *segbase, unsigned long *mapoff);
|
||||||
|
extern int tdep_access_reg (struct cursor *c, unw_regnum_t reg,
|
||||||
|
unw_word_t *valp, int write);
|
||||||
|
extern int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg,
|
||||||
|
unw_fpreg_t *valp, int write);
|
||||||
|
|
||||||
|
#endif /* X86_64_LIBUNWIND_I_H */
|
||||||
|
|
@ -0,0 +1,10 @@
|
||||||
|
kdir=${1:-../kernel}
|
||||||
|
scriptdir=$(dirname $0)
|
||||||
|
udir=$(dirname $scriptdir)
|
||||||
|
cat $scriptdir/kernel-files.txt | \
|
||||||
|
(while read l r; do
|
||||||
|
left=$(eval echo $l)
|
||||||
|
right=$(eval echo $r)
|
||||||
|
# echo $left $right
|
||||||
|
diff -up $left $right
|
||||||
|
done)
|
||||||
Loading…
Reference in a new issue