Include "libunwind_i.h" instead of "tdep.h".
Include "tdep-ia64/rse.h" instead of "ia64/rse.h".
(Logical change 1.294)
diff --git a/src/setjmp/setjmp_i.h b/src/setjmp/setjmp_i.h
index e69de29..1d7ca15 100644
--- a/src/setjmp/setjmp_i.h
+++ b/src/setjmp/setjmp_i.h
@@ -0,0 +1,118 @@
+/* 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 "libunwind_i.h"
+#include "tdep-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, ¤t_mask) < 0)
+ abort ();
+ mp = ¤t_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 */