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mostang.com!davidm 2005-05-03 09:13:17 +00:00
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commit 06d223e924
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0
include/dwarf-eh.h Normal file
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54
include/hppa/dwarf-config.h
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/* libunwind - a platform-independent unwind library
Copyright (c) 2004 Hewlett-Packard Development Company, L.P.
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 dwarf_config_h
#define dwarf_config_h
/* See DWARF_FRAME_REGNUM() macro in gcc/config/pa/pa32-regs.h: */
#define dwarf_to_unw_regnum(reg) \
(((reg) < DWARF_NUM_PRESERVED_REGS) ? (reg) : 0)
/* This matches the value used by GCC (see
gcc/config/pa/pa32-regs.h:FIRST_PSEUDO_REGISTER), which leaves
plenty of room for expansion. */
#define DWARF_NUM_PRESERVED_REGS 89
/* Return TRUE if the ADDR_SPACE uses big-endian byte-order. */
#define dwarf_is_big_endian(addr_space) 1
/* 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 */

33
include/hppa/jmpbuf.h
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/* libunwind - a platform-independent unwind library
Copyright (C) 2004 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. */
/* Use glibc's jump-buffer indices; NPTL peeks at SP: */
#ifndef JB_SP
# define JB_SP 19
#endif
#define JB_RP 20
#define JB_MASK_SAVED 21
#define JB_MASK 22

52
src/hppa/Gcreate_addr_space.c
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/* libunwind - a platform-independent unwind library
Copyright (C) 2004 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. */
#include <stdlib.h>
#include "unwind_i.h"
PROTECTED unw_addr_space_t
unw_create_addr_space (unw_accessors_t *a, int byte_order)
{
#ifdef UNW_LOCAL_ONLY
return NULL;
#else
unw_addr_space_t as = malloc (sizeof (*as));
if (!as)
return NULL;
memset (as, 0, sizeof (*as));
as->acc = *a;
/*
* hppa supports only big-endian.
*/
if (byte_order != 0 && byte_order != __BIG_ENDIAN)
return NULL;
return as;
#endif
}

59
src/hppa/Gget_save_loc.c
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/* libunwind - a platform-independent unwind library
Copyright (C) 2004 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. */
#include "unwind_i.h"
PROTECTED int
unw_get_save_loc (unw_cursor_t *cursor, int reg, unw_save_loc_t *sloc)
{
struct cursor *c = (struct cursor *) cursor;
dwarf_loc_t loc;
loc = DWARF_NULL_LOC; /* default to "not saved" */
#warning FIX ME!
memset (sloc, 0, sizeof (sloc));
if (DWARF_IS_NULL_LOC (loc))
{
sloc->type = UNW_SLT_NONE;
return 0;
}
#if !defined(UNW_LOCAL_ONLY)
if (DWARF_IS_REG_LOC (loc))
{
sloc->type = UNW_SLT_REG;
sloc->u.regnum = DWARF_GET_LOC (loc);
}
else
#endif
{
sloc->type = UNW_SLT_MEMORY;
sloc->u.addr = DWARF_GET_LOC (loc);
}
return 0;
}

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src/hppa/Gglobal.c
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/* libunwind - a platform-independent unwind library
Copyright (c) 2004-2005 Hewlett-Packard Development Company, L.P.
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. */
#include "unwind_i.h"
HIDDEN pthread_mutex_t hppa_lock = PTHREAD_MUTEX_INITIALIZER;
HIDDEN int tdep_needs_initialization = 1;
HIDDEN void
tdep_init (void)
{
intrmask_t saved_mask;
sigfillset (&unwi_full_mask);
sigprocmask (SIG_SETMASK, &unwi_full_mask, &saved_mask);
mutex_lock (&hppa_lock);
{
if (!tdep_needs_initialization)
/* another thread else beat us to it... */
goto out;
mi_init ();
dwarf_init ();
#ifndef UNW_REMOTE_ONLY
hppa_local_addr_space_init ();
#endif
tdep_needs_initialization = 0; /* signal that we're initialized... */
}
out:
mutex_unlock (&hppa_lock);
sigprocmask (SIG_SETMASK, &saved_mask, NULL);
}

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src/hppa/Ginit_remote.c
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/* libunwind - a platform-independent unwind library
Copyright (c) 2004 Hewlett-Packard Development Company, L.P.
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. */
#include "init.h"
#include "unwind_i.h"
PROTECTED int
unw_init_remote (unw_cursor_t *cursor, unw_addr_space_t as, void *as_arg)
{
#ifdef UNW_LOCAL_ONLY
return -UNW_EINVAL;
#else /* !UNW_LOCAL_ONLY */
struct cursor *c = (struct cursor *) cursor;
if (tdep_needs_initialization)
tdep_init ();
Debug (1, "(cursor=%p)\n", c);
c->dwarf.as = as;
c->dwarf.as_arg = as_arg;
return common_init (c);
#endif /* !UNW_LOCAL_ONLY */
}

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src/hppa/Lcreate_addr_space.c
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#define UNW_LOCAL_ONLY
#include <libunwind.h>
#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
#include "Gcreate_addr_space.c"
#endif

5
src/hppa/Lget_save_loc.c
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#define UNW_LOCAL_ONLY
#include <libunwind.h>
#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
#include "Gget_save_loc.c"
#endif

5
src/hppa/Lglobal.c
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#define UNW_LOCAL_ONLY
#include <libunwind.h>
#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
#include "Gglobal.c"
#endif

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src/hppa/Linit_remote.c
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#define UNW_LOCAL_ONLY
#include <libunwind.h>
#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
#include "Ginit_remote.c"
#endif

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src/hppa/Lis_signal_frame.c
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#define UNW_LOCAL_ONLY
#include <libunwind.h>
#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
#include "Gis_signal_frame.c"
#endif

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src/hppa/Lresume.c
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#define UNW_LOCAL_ONLY
#include <libunwind.h>
#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
#include "Gresume.c"
#endif

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src/setjmp/longjmp.c
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/* libunwind - a platform-independent unwind library
Copyright (C) 2003-2004 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. */
#define UNW_LOCAL_ONLY
#include <assert.h>
#include <libunwind.h>
#include <setjmp.h>
#include <signal.h>
#include <stdlib.h>
#include "jmpbuf.h"
#include "setjmp_i.h"
void
_longjmp (jmp_buf env, int val)
{
extern int _UI_longjmp_cont;
unw_context_t uc;
unw_cursor_t c;
unw_word_t sp;
unw_word_t *wp = (unw_word_t *) env;
if (unw_getcontext (&uc) < 0 || unw_init_local (&c, &uc) < 0)
abort ();
do
{
if (unw_get_reg (&c, UNW_REG_SP, &sp) < 0)
abort ();
if (sp != wp[JB_SP])
continue;
if (!bsp_match (&c, wp))
continue;
/* found the right frame: */
assert (UNW_NUM_EH_REGS >= 2);
if (unw_set_reg (&c, UNW_REG_EH + 0, wp[JB_RP]) < 0
|| unw_set_reg (&c, UNW_REG_EH + 1, val) < 0
|| unw_set_reg (&c, UNW_REG_IP,
(unw_word_t) &_UI_longjmp_cont))
abort ();
unw_resume (&c);
abort ();
}
while (unw_step (&c) >= 0);
abort ();
}
#ifdef __GNUC__
void longjmp (jmp_buf env, int val) __attribute__ ((alias ("_longjmp")));
#else
void
longjmp (jmp_buf env, int val)
{
_longjmp (env, val);
}
#endif

0
src/setjmp/setjmp.c Normal file
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src/setjmp/setjmp_i.h
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/* libunwind - a platform-independent unwind library
Copyright (C) 2003-2005 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. */
#if UNW_TARGET_IA64
#include "tdep.h"
#include "ia64/rse.h"
static inline int
bsp_match (unw_cursor_t *c, unw_word_t *wp)
{
unw_word_t bsp, pfs, sol;
if (unw_get_reg (c, UNW_IA64_BSP, &bsp) < 0
|| unw_get_reg (c, UNW_IA64_AR_PFS, &pfs) < 0)
abort ();
/* simulate the effect of "br.call sigsetjmp" on ar.bsp: */
sol = (pfs >> 7) & 0x7f;
bsp = rse_skip_regs (bsp, sol);
if (bsp != wp[JB_BSP])
return 0;
if (unlikely (sol == 0))
{
unw_word_t sp, prev_sp;
unw_cursor_t tmp = *c;
/* The caller of {sig,}setjmp() cannot have a NULL-frame. If we
see a NULL-frame, we haven't reached the right target yet.
To have a NULL-frame, the number of locals must be zero and
the stack-frame must also be empty. */
if (unw_step (&tmp) < 0)
abort ();
if (unw_get_reg (&tmp, UNW_REG_SP, &sp) < 0
|| unw_get_reg (&tmp, UNW_REG_SP, &prev_sp) < 0)
abort ();
if (sp == prev_sp)
/* got a NULL-frame; keep looking... */
return 0;
}
return 1;
}
/* On ia64 we cannot always call sigprocmask() at
_UI_siglongjmp_cont() because the signal may have switched stacks
and the old stack's register-backing store may have overflown,
leaving us no space to allocate the stacked registers needed to
call sigprocmask(). Fortunately, we can just let unw_resume() (via
sigreturn) take care of restoring the signal-mask. That's faster
anyhow. */
static inline int
resume_restores_sigmask (unw_cursor_t *c, unw_word_t *wp)
{
unw_word_t sc_addr = ((struct cursor *) c)->sigcontext_addr;
struct sigcontext *sc = (struct sigcontext *) sc_addr;
sigset_t current_mask;
void *mp;
if (!sc_addr)
return 0;
/* let unw_resume() install the desired signal mask */
if (wp[JB_MASK_SAVED])
mp = &wp[JB_MASK];
else
{
if (sigprocmask (SIG_BLOCK, NULL, &current_mask) < 0)
abort ();
mp = &current_mask;
}
memcpy (&sc->sc_mask, mp, sizeof (sc->sc_mask));
return 1;
}
#else /* !UNW_TARGET_IA64 */
static inline int
bsp_match (unw_cursor_t *c, unw_word_t *wp)
{
return 1;
}
static inline int
resume_restores_sigmask (unw_cursor_t *c, unw_word_t *wp)
{
/* We may want to do this analogously as for ia64... */
return 0;
}
#endif /* !UNW_TARGET_IA64 */

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src/setjmp/siglongjmp.c
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/* libunwind - a platform-independent unwind library
Copyright (C) 2003-2004 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. */
#define UNW_LOCAL_ONLY
#include <assert.h>
#include <libunwind.h>
#include <setjmp.h>
#include <signal.h>
#include <stdlib.h>
#include "tdep.h"
#include "jmpbuf.h"
#include "setjmp_i.h"
void
siglongjmp (sigjmp_buf env, int val)
{
unw_word_t *wp = (unw_word_t *) env;
extern int _UI_siglongjmp_cont;
extern int _UI_longjmp_cont;
unw_context_t uc;
unw_cursor_t c;
unw_word_t sp;
int *cont;
if (unw_getcontext (&uc) < 0 || unw_init_local (&c, &uc) < 0)
abort ();
do
{
if (unw_get_reg (&c, UNW_REG_SP, &sp) < 0)
abort ();
if (sp != wp[JB_SP])
continue;
if (!bsp_match (&c, wp))
continue;
/* found the right frame: */
/* default to resuming without restoring signal-mask */
cont = &_UI_longjmp_cont;
/* Order of evaluation is important here: if unw_resume()
restores signal mask, we must set it up appropriately, even
if wp[JB_MASK_SAVED] is FALSE. */
if (!resume_restores_sigmask (&c, wp) && wp[JB_MASK_SAVED])
{
/* sigmask was saved */
if (UNW_NUM_EH_REGS < 4 || _NSIG >= 16 * sizeof (unw_word_t))
/* signal mask doesn't fit into EH arguments and we can't
put it on the stack without overwriting something
else... */
abort ();
else
if (unw_set_reg (&c, UNW_REG_EH + 2, wp[JB_MASK]) < 0
|| (_NSIG > 8 * sizeof (unw_word_t)
&& unw_set_reg (&c, UNW_REG_EH + 3, wp[JB_MASK + 1]) < 0))
abort ();
cont = &_UI_siglongjmp_cont;
}
if (unw_set_reg (&c, UNW_REG_EH + 0, wp[JB_RP]) < 0
|| unw_set_reg (&c, UNW_REG_EH + 1, val) < 0
|| unw_set_reg (&c, UNW_REG_IP, (unw_word_t) cont))
abort ();
unw_resume (&c);
abort ();
}
while (unw_step (&c) >= 0);
abort ();
}

0
src/setjmp/sigsetjmp.c Normal file
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37
src/x86/longjmp.S
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/* libunwind - a platform-independent unwind library
Copyright (C) 2004 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. */
.globl _UI_longjmp_cont
.type _UI_longjmp_cont, @function
_UI_longjmp_cont:
.cfi_startproc
.cfi_register 8, 0 /* IP saved in EAX */
push %eax /* push target IP as return address */
.cfi_restore 8
mov %edx, %eax /* set up return-value */
ret
.cfi_endproc
.size _UI_siglongjmp_cont, .-_UI_longjmp_cont