Revert "Initial revision"

This reverts 06d223e924 commit.

src/hppa/Gcreate_addr_space.c

@@ -0,0 +1,52 @@
+/* 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
+}

src/hppa/Gget_save_loc.c

@@ -0,0 +1,59 @@
+/* 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;
+}

src/hppa/Gglobal.c

@@ -0,0 +1,57 @@
+/* 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);
+}

src/hppa/Ginit_remote.c

@@ -0,0 +1,46 @@
+/* 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 */
+}

src/hppa/Lcreate_addr_space.c

@@ -0,0 +1,5 @@
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
+#include "Gcreate_addr_space.c"
+#endif

src/hppa/Lget_save_loc.c

@@ -0,0 +1,5 @@
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
+#include "Gget_save_loc.c"
+#endif

src/hppa/Lglobal.c

@@ -0,0 +1,5 @@
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
+#include "Gglobal.c"
+#endif

src/hppa/Linit_remote.c

@@ -0,0 +1,5 @@
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
+#include "Ginit_remote.c"
+#endif

src/hppa/Lis_signal_frame.c

@@ -0,0 +1,5 @@
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
+#include "Gis_signal_frame.c"
+#endif

src/hppa/Lresume.c

@@ -0,0 +1,5 @@
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
+#include "Gresume.c"
+#endif

src/setjmp/longjmp.c

@@ -0,0 +1,88 @@
+/* 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

src/setjmp/setjmp_i.h

@@ -1,3 +1,4 @@
+<<<<<<< .merge_file_NH3KvZ
 /* libunwind - a platform-independent unwind library
    Copyright (C) 2003-2005 Hewlett-Packard Co
 	Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
@@ -116,3 +117,123 @@ resume_restores_sigmask (unw_cursor_t *c, unw_word_t *wp)
 }
 
 #endif /* !UNW_TARGET_IA64 */
+=======
+/* 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 */
+>>>>>>> .merge_file_F6t3ZY

src/setjmp/siglongjmp.c

@@ -1,3 +1,4 @@
+<<<<<<< .merge_file_OTjtqa
 /* libunwind - a platform-independent unwind library
    Copyright (C) 2003-2005 Hewlett-Packard Co
 	Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
@@ -92,3 +93,103 @@ siglongjmp (sigjmp_buf env, int val)
 
   abort ();
 }
+=======
+/* 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 ();
+}
+>>>>>>> .merge_file_qE75m7

src/x86/longjmp.S

@@ -0,0 +1,37 @@
+/* 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