Rename x86_init() to tdep_init().

(Logical change 1.162)

src/x86/Gglobal-x86.c

@@ -0,0 +1,69 @@
+/* libunwind - a platform-independent unwind library
+   Copyright (c) 2003 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"
+#include "dwarf_i.h"
+
+HIDDEN pthread_mutex_t x86_lock = PTHREAD_MUTEX_INITIALIZER;
+HIDDEN int tdep_needs_initialization = 1;
+
+/* See comments for svr4_dbx_register_map[] in gcc/config/i386/i386.c.  */
+
+HIDDEN uint8_t dwarf_to_unw_regnum_map[19] =
+  {
+    UNW_X86_EAX, UNW_X86_ECX, UNW_X86_EDX, UNW_X86_EBX,
+    UNW_X86_ESP, UNW_X86_EBP, UNW_X86_ESI, UNW_X86_EDI,
+    UNW_X86_EIP, UNW_X86_EFLAGS, UNW_X86_TRAPNO,
+    UNW_X86_ST0, UNW_X86_ST1, UNW_X86_ST2, UNW_X86_ST3,
+    UNW_X86_ST4, UNW_X86_ST5, UNW_X86_ST6, UNW_X86_ST7
+  };
+
+HIDDEN void
+tdep_init (void)
+{
+  sigset_t saved_sigmask;
+
+  sigfillset (&unwi_full_sigmask);
+
+  sigprocmask (SIG_SETMASK, &unwi_full_sigmask, &saved_sigmask);
+  mutex_lock (&x86_lock);
+  {
+    if (!tdep_needs_initialization)
+      /* another thread else beat us to it... */
+      goto out;
+
+    mi_init ();
+
+    dwarf_init ();
+
+#ifndef UNW_REMOTE_ONLY
+    x86_local_addr_space_init ();
+#endif
+    tdep_needs_initialization = 0;	/* signal that we're initialized... */
+  }
+ out:
+  mutex_unlock (&x86_lock);
+  sigprocmask (SIG_SETMASK, &saved_sigmask, NULL);
+}