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Diffstat (limited to 'src/third_party/unwind/dist/src/mi/Gfind_dynamic_proc_info.c')
-rw-r--r--src/third_party/unwind/dist/src/mi/Gfind_dynamic_proc_info.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/src/third_party/unwind/dist/src/mi/Gfind_dynamic_proc_info.c b/src/third_party/unwind/dist/src/mi/Gfind_dynamic_proc_info.c
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index 00000000000..98d35012861
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+++ b/src/third_party/unwind/dist/src/mi/Gfind_dynamic_proc_info.c
@@ -0,0 +1,91 @@
+/* libunwind - a platform-independent unwind library
+ Copyright (C) 2001-2002, 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. */
+
+#include "libunwind_i.h"
+
+#ifdef UNW_REMOTE_ONLY
+
+static inline int
+local_find_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi,
+ int need_unwind_info, void *arg)
+{
+ return -UNW_ENOINFO;
+}
+
+#else /* !UNW_REMOTE_ONLY */
+
+static inline int
+local_find_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi,
+ int need_unwind_info, void *arg)
+{
+ unw_dyn_info_list_t *list;
+ unw_dyn_info_t *di;
+
+#ifndef UNW_LOCAL_ONLY
+# pragma weak _U_dyn_info_list_addr
+ if (!_U_dyn_info_list_addr)
+ return -UNW_ENOINFO;
+#endif
+
+ list = (unw_dyn_info_list_t *) (uintptr_t) _U_dyn_info_list_addr ();
+ for (di = list->first; di; di = di->next)
+ if (ip >= di->start_ip && ip < di->end_ip)
+ return unwi_extract_dynamic_proc_info (as, ip, pi, di, need_unwind_info,
+ arg);
+ return -UNW_ENOINFO;
+}
+
+#endif /* !UNW_REMOTE_ONLY */
+
+#ifdef UNW_LOCAL_ONLY
+
+static inline int
+remote_find_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi,
+ int need_unwind_info, void *arg)
+{
+ return -UNW_ENOINFO;
+}
+
+#else /* !UNW_LOCAL_ONLY */
+
+static inline int
+remote_find_proc_info (unw_addr_space_t as, unw_word_t ip, unw_proc_info_t *pi,
+ int need_unwind_info, void *arg)
+{
+ return unwi_dyn_remote_find_proc_info (as, ip, pi, need_unwind_info, arg);
+}
+
+#endif /* !UNW_LOCAL_ONLY */
+
+HIDDEN int
+unwi_find_dynamic_proc_info (unw_addr_space_t as, unw_word_t ip,
+ unw_proc_info_t *pi, int need_unwind_info,
+ void *arg)
+{
+ if (as == unw_local_addr_space)
+ return local_find_proc_info (as, ip, pi, need_unwind_info, arg);
+ else
+ return remote_find_proc_info (as, ip, pi, need_unwind_info, arg);
+}