1 files changed, 110 insertions, 0 deletions
diff --git a/src/third_party/unwind/dist/src/ia64/Ginit_local.c b/src/third_party/unwind/dist/src/ia64/Ginit_local.c
new file mode 100644
index 00000000000..8fe1c679b29
--- /dev/null
+++ b/src/third_party/unwind/dist/src/ia64/Ginit_local.c
@@ -0,0 +1,110 @@
+/* libunwind - a platform-independent unwind library
+   Copyright (C) 2001-2003, 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.  */
+
+#include "init.h"
+#include "unwind_i.h"
+
+#ifdef UNW_REMOTE_ONLY
+
+int
+unw_init_local (unw_cursor_t *cursor, unw_context_t *uc)
+{
+  return -UNW_EINVAL;
+}
+
+#else /* !UNW_REMOTE_ONLY */
+
+static inline void
+set_as_arg (struct cursor *c, unw_context_t *uc)
+{
+#if defined(__linux) && defined(__KERNEL__)
+  c->task = current;
+  c->as_arg = &uc->sw;
+#else
+  c->as_arg = uc;
+#endif
+}
+
+static inline int
+get_initial_stack_pointers (struct cursor *c, unw_context_t *uc,
+                            unw_word_t *sp, unw_word_t *bsp)
+{
+#if defined(__linux)
+  unw_word_t sol, bspstore;
+
+#ifdef __KERNEL__
+  sol = (uc->sw.ar_pfs >> 7) & 0x7f;
+  bspstore = uc->sw.ar_bspstore;
+  *sp = uc->ksp;
+# else
+  sol = (uc->uc_mcontext.sc_ar_pfs >> 7) & 0x7f;
+  bspstore = uc->uc_mcontext.sc_ar_bsp;
+  *sp = uc->uc_mcontext.sc_gr[12];
+# endif
+  *bsp = rse_skip_regs (bspstore, -sol);
+#elif defined(__hpux)
+  int ret;
+
+  if ((ret = ia64_get (c, IA64_REG_LOC (c, UNW_IA64_GR + 12), sp)) < 0
+      || (ret = ia64_get (c, IA64_REG_LOC (c, UNW_IA64_AR_BSP), bsp)) < 0)
+    return ret;
+#else
+# error Fix me.
+#endif
+  return 0;
+}
+
+int
+unw_init_local (unw_cursor_t *cursor, unw_context_t *uc)
+{
+  struct cursor *c = (struct cursor *) cursor;
+  unw_word_t sp, bsp;
+  int ret;
+
+  if (!tdep_init_done)
+    tdep_init ();
+
+  Debug (1, "(cursor=%p)\n", c);
+
+  c->as = unw_local_addr_space;
+  set_as_arg (c, uc);
+
+  if ((ret = get_initial_stack_pointers (c, uc, &sp, &bsp)) < 0)
+    return ret;
+
+  Debug (4, "initial bsp=%lx, sp=%lx\n", bsp, sp);
+
+  if ((ret = common_init (c, sp, bsp)) < 0)
+    return ret;
+
+#ifdef __hpux
+  /* On HP-UX, the context created by getcontext() points to the
+     getcontext() system call stub.  Step over it: */
+  ret = unw_step (cursor);
+#endif
+  return ret;
+}
+
+#endif /* !UNW_REMOTE_ONLY */