diff --git a/src/hppa/Gresume.c b/src/hppa/Gresume.c
new file mode 100644
index 00000000..92d506dc
--- /dev/null
+++ b/src/hppa/Gresume.c
@@ -0,0 +1,145 @@
+/* libunwind - a platform-independent unwind library
+   Copyright (c) 2004 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 <stdlib.h>
+
+#include "unwind_i.h"
+
+#ifndef UNW_REMOTE_ONLY
+
+#if defined(__linux)
+
+# include <sys/syscall.h>
+
+static NORETURN inline long
+my_rt_sigreturn (void *new_sp, int in_syscall)
+{
+  register unsigned long r25 __asm__ ("r25") = (in_syscall != 0);
+  register unsigned long r20 __asm__ ("r20") = SYS_rt_sigreturn;
+
+  __asm__ __volatile__ ("copy %0, %%sp\n"
+			"be,l 0x100(%%sr2,%%r0),%%sr0,%%r31\n"
+			"nop"
+			:
+			: "r"(new_sp), "r"(r20), "r"(r25)
+			: "memory");
+  abort ();
+}
+
+#endif /* __linux */
+
+HIDDEN inline int
+hppa_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg)
+{
+#if defined(__linux)
+  struct cursor *c = (struct cursor *) cursor;
+  ucontext_t *uc = c->dwarf.as_arg;
+
+  /* Ensure c->pi is up-to-date.  On PA-RISC, it's relatively common to be
+     missing DWARF unwind info.  We don't want to fail in that case,
+     because the frame-chain still would let us do a backtrace at
+     least.  */
+  dwarf_make_proc_info (&c->dwarf);
+
+  if (unlikely (c->sigcontext_format != HPPA_SCF_NONE))
+    {
+      struct sigcontext *sc = (struct sigcontext *) c->sigcontext_addr;
+
+      Debug (8, "resuming at ip=%x via sigreturn(%p)\n", c->dwarf.ip, sc);
+      my_rt_sigreturn (sc, (sc->sc_flags & PARISC_SC_FLAG_IN_SYSCALL) != 0);
+    }
+  else
+    {
+      Debug (8, "resuming at ip=%x via setcontext()\n", c->dwarf.ip);
+      setcontext (uc);
+    }
+#else
+# warning Implement me!
+#endif
+  return -UNW_EINVAL;
+}
+
+#endif /* !UNW_REMOTE_ONLY */
+
+/* This routine is responsible for copying the register values in
+   cursor C and establishing them as the current machine state. */
+
+static inline int
+establish_machine_state (struct cursor *c)
+{
+  int (*access_reg) (unw_addr_space_t, unw_regnum_t, unw_word_t *,
+		     int write, void *);
+  int (*access_fpreg) (unw_addr_space_t, unw_regnum_t, unw_fpreg_t *,
+		       int write, void *);
+  unw_addr_space_t as = c->dwarf.as;
+  void *arg = c->dwarf.as_arg;
+  unw_fpreg_t fpval;
+  unw_word_t val;
+  int reg;
+
+  access_reg = as->acc.access_reg;
+  access_fpreg = as->acc.access_fpreg;
+
+  Debug (8, "copying out cursor state\n");
+
+  for (reg = 0; reg <= UNW_REG_LAST; ++reg)
+    {
+      Debug (16, "copying %s %d\n", unw_regname (reg), reg);
+      if (unw_is_fpreg (reg))
+	{
+	  if (tdep_access_fpreg (c, reg, &fpval, 0) >= 0)
+	    (*access_fpreg) (as, reg, &fpval, 1, arg);
+	}
+      else
+	{
+	  if (tdep_access_reg (c, reg, &val, 0) >= 0)
+	    (*access_reg) (as, reg, &val, 1, arg);
+	}
+    }
+  return 0;
+}
+
+PROTECTED int
+unw_resume (unw_cursor_t *cursor)
+{
+  struct cursor *c = (struct cursor *) cursor;
+  int ret;
+
+  Debug (1, "(cursor=%p)\n", c);
+
+  if (!c->dwarf.ip)
+    {
+      /* This can happen easily when the frame-chain gets truncated
+         due to bad or missing unwind-info.  */
+      Debug (1, "refusing to resume execution at address 0\n");
+      return -UNW_EINVAL;
+    }
+
+  if ((ret = establish_machine_state (c)) < 0)
+    return ret;
+
+  return (*c->dwarf.as->acc.resume) (c->dwarf.as, (unw_cursor_t *) c,
+				     c->dwarf.as_arg);
+}