1 files changed, 65 insertions, 0 deletions
diff --git a/src/third_party/unwind/dist/src/arm/Gglobal.c b/src/third_party/unwind/dist/src/arm/Gglobal.c
new file mode 100644
index 00000000000..7b93fbd89a1
--- /dev/null
+++ b/src/third_party/unwind/dist/src/arm/Gglobal.c
@@ -0,0 +1,65 @@
+/* libunwind - a platform-independent unwind library
+   Copyright (C) 2008 CodeSourcery
+
+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"
+#include "dwarf_i.h"
+
+HIDDEN define_lock (arm_lock);
+HIDDEN int tdep_init_done;
+
+/* Unwinding methods to use. See UNW_METHOD_ enums */
+HIDDEN int unwi_unwind_method = UNW_ARM_METHOD_ALL;
+
+HIDDEN void
+tdep_init (void)
+{
+  intrmask_t saved_mask;
+
+  sigfillset (&unwi_full_mask);
+
+  lock_acquire (&arm_lock, saved_mask);
+  {
+    if (tdep_init_done)
+      /* another thread else beat us to it... */
+      goto out;
+
+    /* read ARM unwind method setting */
+    const char* str = getenv ("UNW_ARM_UNWIND_METHOD");
+    if (str)
+      {
+        unwi_unwind_method = atoi (str);
+      }
+
+    mi_init ();
+
+    dwarf_init ();
+
+#ifndef UNW_REMOTE_ONLY
+    arm_local_addr_space_init ();
+#endif
+    tdep_init_done = 1; /* signal that we're initialized... */
+  }
+ out:
+  lock_release (&arm_lock, saved_mask);
+}