summaryrefslogtreecommitdiff
path: root/src/third_party/unwind/dist/src/s390x/Gglobal.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/third_party/unwind/dist/src/s390x/Gglobal.c')
-rw-r--r--src/third_party/unwind/dist/src/s390x/Gglobal.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/src/third_party/unwind/dist/src/s390x/Gglobal.c b/src/third_party/unwind/dist/src/s390x/Gglobal.c
new file mode 100644
index 00000000000..e2abe89d307
--- /dev/null
+++ b/src/third_party/unwind/dist/src/s390x/Gglobal.c
@@ -0,0 +1,101 @@
+/* libunwind - a platform-independent unwind library
+ Copyright (c) 2003, 2005 Hewlett-Packard Development Company, L.P.
+ Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
+
+ Modified for x86_64 by Max Asbock <masbock@us.ibm.com>
+ Modified for s390x by Michael Munday <mike.munday@ibm.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 "config.h"
+#include "unwind_i.h"
+#include "dwarf_i.h"
+
+HIDDEN define_lock (s390x_lock);
+HIDDEN int tdep_init_done;
+
+/* The API register numbers are exactly the same as the .eh_frame
+ registers, for now at least. */
+HIDDEN const uint8_t dwarf_to_unw_regnum_map[DWARF_NUM_PRESERVED_REGS] =
+ {
+ UNW_S390X_R0,
+ UNW_S390X_R1,
+ UNW_S390X_R2,
+ UNW_S390X_R3,
+ UNW_S390X_R4,
+ UNW_S390X_R5,
+ UNW_S390X_R6,
+ UNW_S390X_R7,
+ UNW_S390X_R8,
+ UNW_S390X_R9,
+ UNW_S390X_R10,
+ UNW_S390X_R11,
+ UNW_S390X_R12,
+ UNW_S390X_R13,
+ UNW_S390X_R14,
+ UNW_S390X_R15,
+
+ UNW_S390X_F0,
+ UNW_S390X_F2,
+ UNW_S390X_F4,
+ UNW_S390X_F6,
+ UNW_S390X_F1,
+ UNW_S390X_F3,
+ UNW_S390X_F5,
+ UNW_S390X_F7,
+ UNW_S390X_F8,
+ UNW_S390X_F10,
+ UNW_S390X_F12,
+ UNW_S390X_F14,
+ UNW_S390X_F9,
+ UNW_S390X_F11,
+ UNW_S390X_F13,
+ UNW_S390X_F15,
+ };
+
+HIDDEN void
+tdep_init (void)
+{
+ intrmask_t saved_mask;
+
+ sigfillset (&unwi_full_mask);
+
+ lock_acquire (&s390x_lock, saved_mask);
+ {
+ if (tdep_init_done)
+ /* another thread else beat us to it... */
+ goto out;
+
+ mi_init ();
+
+ dwarf_init ();
+
+ tdep_init_mem_validate ();
+
+#ifndef UNW_REMOTE_ONLY
+ s390x_local_addr_space_init ();
+#endif
+ tdep_init_done = 1; /* signal that we're initialized... */
+ }
+ out:
+ lock_release (&s390x_lock, saved_mask);
+}