16 files changed, 477 insertions, 0 deletions

diff --git a/src/pal/src/libunwind/src/ppc/Gapply_reg_state.c b/src/pal/src/libunwind/src/ppc/Gapply_reg_state.c
new file mode 100644
index 0000000000..82f056da67
--- /dev/null
+++ b/src/pal/src/libunwind/src/ppc/Gapply_reg_state.c
@@ -0,0 +1,37 @@
+/* libunwind - a platform-independent unwind library
+   Copyright (c) 2002-2003 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>
+
+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"
+
+int
+unw_apply_reg_state (unw_cursor_t *cursor,
+		     void *reg_states_data)
+{
+  struct cursor *c = (struct cursor *) cursor;
+
+  return dwarf_apply_reg_state (&c->dwarf, (dwarf_reg_state_t *)reg_states_data);
+}
diff --git a/src/pal/src/libunwind/src/ppc/Gget_proc_info.c b/src/pal/src/libunwind/src/ppc/Gget_proc_info.c
new file mode 100644
index 0000000000..7dfb6d4e42
--- /dev/null
+++ b/src/pal/src/libunwind/src/ppc/Gget_proc_info.c
@@ -0,0 +1,41 @@
+/* libunwind - a platform-independent unwind library
+
+   Copied from src/x86_64/, modified slightly (or made empty stubs) for
+   building frysk successfully on ppc64, by Wu Zhou <woodzltc@cn.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 <libunwind_i.h>
+
+int
+unw_get_proc_info (unw_cursor_t *cursor, unw_proc_info_t *pi)
+{
+  struct cursor *c = (struct cursor *) cursor;
+  int ret;
+
+  ret = dwarf_make_proc_info (&c->dwarf);
+  if (ret < 0)
+    return ret;
+
+  *pi = c->dwarf.pi;
+  return 0;
+}
diff --git a/src/pal/src/libunwind/src/ppc/Gget_save_loc.c b/src/pal/src/libunwind/src/ppc/Gget_save_loc.c
new file mode 100644
index 0000000000..5343fa4c7f
--- /dev/null
+++ b/src/pal/src/libunwind/src/ppc/Gget_save_loc.c
@@ -0,0 +1,34 @@
+/* libunwind - a platform-independent unwind library
+
+   Copied from src/x86_64/, modified slightly (or made empty stubs) for
+   building frysk successfully on ppc64, by Wu Zhou <woodzltc@cn.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 <libunwind_i.h>
+
+int
+unw_get_save_loc (unw_cursor_t *cursor, int reg, unw_save_loc_t *sloc)
+{
+  /* XXX: empty stub.  */
+  return 0;
+}
diff --git a/src/pal/src/libunwind/src/ppc/Ginit_local.c b/src/pal/src/libunwind/src/ppc/Ginit_local.c
new file mode 100644
index 0000000000..366cf5bdaf
--- /dev/null
+++ b/src/pal/src/libunwind/src/ppc/Ginit_local.c
@@ -0,0 +1,88 @@
+/* libunwind - a platform-independent unwind library
+
+   Copied from src/x86_64/, modified slightly (or made empty stubs) for
+   building frysk successfully on ppc64, by Wu Zhou <woodzltc@cn.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 <libunwind_i.h>
+
+#ifdef UNW_TARGET_PPC64
+#include "../ppc64/init.h"
+#else
+#include "../ppc32/init.h"
+#endif
+
+#ifdef UNW_REMOTE_ONLY
+
+int
+unw_init_local (unw_cursor_t *cursor, ucontext_t *uc)
+{
+  /* XXX: empty stub.  */
+  return -UNW_EINVAL;
+}
+
+#else /* !UNW_REMOTE_ONLY */
+
+static int
+unw_init_local_common(unw_cursor_t *cursor, ucontext_t *uc, unsigned use_prev_instr)
+{
+  struct cursor *c = (struct cursor *) cursor;
+
+  if (!tdep_init_done)
+    tdep_init ();
+
+  Debug (1, "(cursor=%p)\n", c);
+
+  c->dwarf.as = unw_local_addr_space;
+  c->dwarf.as_arg = uc;
+  #ifdef UNW_TARGET_PPC64
+    return common_init_ppc64 (c, use_prev_instr);
+  #else
+    return common_init_ppc32 (c, use_prev_instr);
+  #endif
+}
+
+int
+unw_init_local(unw_cursor_t *cursor, ucontext_t *uc)
+{
+  return unw_init_local_common(cursor, uc, 1);
+}
+
+int
+unw_init_local2 (unw_cursor_t *cursor, ucontext_t *uc, int flag)
+{
+  if (!flag)
+    {
+      return unw_init_local_common(cursor, uc, 1);
+    }
+  else if (flag == UNW_INIT_SIGNAL_FRAME)
+    {
+      return unw_init_local_common(cursor, uc, 0);
+    }
+  else
+    {
+      return -UNW_EINVAL;
+    }
+}
+
+#endif /* !UNW_REMOTE_ONLY */
diff --git a/src/pal/src/libunwind/src/ppc/Ginit_remote.c b/src/pal/src/libunwind/src/ppc/Ginit_remote.c
new file mode 100644
index 0000000000..ed85be8971
--- /dev/null
+++ b/src/pal/src/libunwind/src/ppc/Ginit_remote.c
@@ -0,0 +1,60 @@
+/* libunwind - a platform-independent unwind library
+   Copyright (C) 2006-2007 IBM
+   Contributed by
+     Corey Ashford <cjashfor@us.ibm.com>
+     Jose Flavio Aguilar Paulino <jflavio@br.ibm.com> <joseflavio@gmail.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_TARGET_PPC64
+#include "../ppc64/init.h"
+#else
+#include "../ppc32/init.h"
+#endif
+
+int
+unw_init_remote (unw_cursor_t *cursor, unw_addr_space_t as, void *as_arg)
+{
+#ifdef UNW_LOCAL_ONLY
+  return -UNW_EINVAL;
+#else /* !UNW_LOCAL_ONLY */
+  struct cursor *c = (struct cursor *) cursor;
+
+  if (!tdep_init_done)
+    tdep_init ();
+
+  Debug (1, "(cursor=%p)\n", c);
+
+  c->dwarf.as = as;
+  c->dwarf.as_arg = as_arg;
+
+  #ifdef UNW_TARGET_PPC64
+    return common_init_ppc64 (c, 0);
+  #elif UNW_TARGET_PPC32
+    return common_init_ppc32 (c, 0);
+  #else
+    #error init_remote :: NO VALID PPC ARCH!
+  #endif
+#endif /* !UNW_LOCAL_ONLY */
+}
diff --git a/src/pal/src/libunwind/src/ppc/Gis_signal_frame.c b/src/pal/src/libunwind/src/ppc/Gis_signal_frame.c
new file mode 100644
index 0000000000..6184dd5d41
--- /dev/null
+++ b/src/pal/src/libunwind/src/ppc/Gis_signal_frame.c
@@ -0,0 +1,78 @@
+/* libunwind - a platform-independent unwind library
+   Copyright (C) 2006-2007 IBM
+   Contributed by
+     Corey Ashford <cjashfor@us.ibm.com>
+     Jose Flavio Aguilar Paulino <jflavio@br.ibm.com> <joseflavio@gmail.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>
+
+int
+unw_is_signal_frame (unw_cursor_t * cursor)
+{
+  struct cursor *c = (struct cursor *) cursor;
+  unw_word_t w0, w1, i0, i1, i2, ip;
+  unw_addr_space_t as;
+  unw_accessors_t *a;
+  void *arg;
+  int ret;
+
+  as = c->dwarf.as;
+  as->validate = 1;             /* Don't trust the ip */
+  arg = c->dwarf.as_arg;
+
+  /* Check if return address points at sigreturn sequence.
+     on ppc64 Linux that is (see libc.so):
+     0x38210080  addi r1, r1, 128  // pop the stack
+     0x380000ac  li r0, 172        // invoke system service 172
+     0x44000002  sc
+   */
+
+  ip = c->dwarf.ip;
+  if (ip == 0)
+    return 0;
+
+  /* Read up two 8-byte words at the IP.  We are only looking at 3
+     consecutive 32-bit words, so the second 8-byte word needs to be
+     shifted right by 32 bits (think big-endian) */
+
+  a = unw_get_accessors_int (as);
+  if ((ret = (*a->access_mem) (as, ip, &w0, 0, arg)) < 0
+      || (ret = (*a->access_mem) (as, ip + 8, &w1, 0, arg)) < 0)
+    return 0;
+
+  if (tdep_big_endian (as))
+    {
+      i0 = w0 >> 32;
+      i1 = w0 & 0xffffffffUL;
+      i2 = w1 >> 32;
+    }
+  else
+    {
+      i0 = w0 & 0xffffffffUL;
+      i1 = w0 >> 32;
+      i2 = w1 & 0xffffffffUL;
+    }
+
+  return (i0 == 0x38210080 && i1 == 0x380000ac && i2 == 0x44000002);
+}
diff --git a/src/pal/src/libunwind/src/ppc/Greg_states_iterate.c b/src/pal/src/libunwind/src/ppc/Greg_states_iterate.c
new file mode 100644
index 0000000000..a17dc1b561
--- /dev/null
+++ b/src/pal/src/libunwind/src/ppc/Greg_states_iterate.c
@@ -0,0 +1,37 @@
+/* libunwind - a platform-independent unwind library
+   Copyright (c) 2002-2003 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>
+
+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"
+
+int
+unw_reg_states_iterate (unw_cursor_t *cursor,
+			unw_reg_states_callback cb, void *token)
+{
+  struct cursor *c = (struct cursor *) cursor;
+
+  return dwarf_reg_states_iterate (&c->dwarf, cb, token);
+}
diff --git a/src/pal/src/libunwind/src/ppc/Lapply_reg_state.c b/src/pal/src/libunwind/src/ppc/Lapply_reg_state.c
new file mode 100644
index 0000000000..7ebada480e
--- /dev/null
+++ b/src/pal/src/libunwind/src/ppc/Lapply_reg_state.c
@@ -0,0 +1,5 @@
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
+#include "Gapply_reg_state.c"
+#endif
diff --git a/src/pal/src/libunwind/src/ppc/Lget_proc_info.c b/src/pal/src/libunwind/src/ppc/Lget_proc_info.c
new file mode 100644
index 0000000000..69028b019f
--- /dev/null
+++ b/src/pal/src/libunwind/src/ppc/Lget_proc_info.c
@@ -0,0 +1,5 @@
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
+#include "Gget_proc_info.c"
+#endif
diff --git a/src/pal/src/libunwind/src/ppc/Lget_save_loc.c b/src/pal/src/libunwind/src/ppc/Lget_save_loc.c
new file mode 100644
index 0000000000..9ea048a907
--- /dev/null
+++ b/src/pal/src/libunwind/src/ppc/Lget_save_loc.c
@@ -0,0 +1,5 @@
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
+#include "Gget_save_loc.c"
+#endif
diff --git a/src/pal/src/libunwind/src/ppc/Linit_local.c b/src/pal/src/libunwind/src/ppc/Linit_local.c
new file mode 100644
index 0000000000..68a1687e85
--- /dev/null
+++ b/src/pal/src/libunwind/src/ppc/Linit_local.c
@@ -0,0 +1,5 @@
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
+#include "Ginit_local.c"
+#endif
diff --git a/src/pal/src/libunwind/src/ppc/Linit_remote.c b/src/pal/src/libunwind/src/ppc/Linit_remote.c
new file mode 100644
index 0000000000..58cb04ab7c
--- /dev/null
+++ b/src/pal/src/libunwind/src/ppc/Linit_remote.c
@@ -0,0 +1,5 @@
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
+#include "Ginit_remote.c"
+#endif
diff --git a/src/pal/src/libunwind/src/ppc/Lis_signal_frame.c b/src/pal/src/libunwind/src/ppc/Lis_signal_frame.c
new file mode 100644
index 0000000000..b9a7c4f51a
--- /dev/null
+++ b/src/pal/src/libunwind/src/ppc/Lis_signal_frame.c
@@ -0,0 +1,5 @@
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
+#include "Gis_signal_frame.c"
+#endif
diff --git a/src/pal/src/libunwind/src/ppc/Lreg_states_iterate.c b/src/pal/src/libunwind/src/ppc/Lreg_states_iterate.c
new file mode 100644
index 0000000000..f1eb1e79dc
--- /dev/null
+++ b/src/pal/src/libunwind/src/ppc/Lreg_states_iterate.c
@@ -0,0 +1,5 @@
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
+#include "Greg_states_iterate.c"
+#endif
diff --git a/src/pal/src/libunwind/src/ppc/longjmp.S b/src/pal/src/libunwind/src/ppc/longjmp.S
new file mode 100644
index 0000000000..d363aef222
--- /dev/null
+++ b/src/pal/src/libunwind/src/ppc/longjmp.S
@@ -0,0 +1,36 @@
+/* libunwind - a platform-independent unwind library
+
+   Copied from src/x86_64/, modified slightly (or made empty stubs) for
+   building frysk successfully on ppc64, by Wu Zhou <woodzltc@cn.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.  */
+
+	.globl _UI_longjmp_cont
+
+	.type _UI_longjmp_cont, @function
+_UI_longjmp_cont:
+	.size _UI_longjmp_cont, .-_UI_longjmp_cont
+
+#ifdef __linux__
+        /* We do not need executable stack.  */
+        .section        .note.GNU-stack,"",@progbits
+#endif
diff --git a/src/pal/src/libunwind/src/ppc/siglongjmp.S b/src/pal/src/libunwind/src/ppc/siglongjmp.S
new file mode 100644
index 0000000000..64be36ce17
--- /dev/null
+++ b/src/pal/src/libunwind/src/ppc/siglongjmp.S
@@ -0,0 +1,31 @@
+/* libunwind - a platform-independent unwind library
+
+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.  */
+
+	.globl _UI_siglongjmp_cont
+
+	_UI_siglongjmp_cont:
+
+#ifdef __linux__
+        /* We do not need executable stack.  */
+        .section        .note.GNU-stack,"",@progbits
+#endif