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[thirdparty/glibc.git] / sysdeps / unix / sysv / linux / ia64 / makecontext.c

diff --git a/sysdeps/unix/sysv/linux/ia64/makecontext.c b/sysdeps/unix/sysv/linux/ia64/makecontext.c
index a969a1beff686a35ca7b899694d121054aae0768..1ad38873776ab56dc1eb6b041c3442689d61899d 100644 (file)
--- a/sysdeps/unix/sysv/linux/ia64/makecontext.c
+++ b/sysdeps/unix/sysv/linux/ia64/makecontext.c
@@ -1,21 +1,20 @@
-/* Copyright (C) 2001 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2019 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by David Mosberger-Tang <davidm@hpl.hp.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
    The GNU C Library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
 
 #include <libintl.h>
 #include <stdarg.h>
@@ -23,14 +22,10 @@
 #include <stdlib.h>
 #include <ucontext.h>
 #include <sys/rse.h>
+#include <link.h>
+#include <dl-fptr.h>
 
 
-struct fdesc
-  {
-    unsigned long ip;
-    unsigned long gp;
-  };
-
 #define PUSH(val)                              \
 do {                                           \
   if (ia64_rse_is_rnat_slot (rbs))             \
@@ -45,11 +40,11 @@ do {                                                \
 void
 __makecontext (ucontext_t *ucp, void (*func) (void), int argc, ...)
 {
-  struct sigcontext *sc = &ucp->uc_mcontext;
+  mcontext_t *sc = &ucp->uc_mcontext;
   extern void __start_context (ucontext_t *link, long gp, ...);
   unsigned long stack_start, stack_end;
   va_list ap;
-  long *rbs;
+  unsigned long *rbs;
   int i;
 
   stack_start = (long) sc->sc_stack.ss_sp;
@@ -66,16 +61,16 @@ makecontext: does not know how to handle more than 8 arguments\n"));
     }
 
   /* set the entry point and global pointer: */
-  sc->sc_br[0] = ((struct fdesc *) &__start_context)->ip;
-  sc->sc_br[1] = ((struct fdesc *) func)->ip;
-  sc->sc_gr[1] = ((struct fdesc *) func)->gp;
+  sc->sc_br[0] = ELF_PTR_TO_FDESC (&__start_context)->ip;
+  sc->sc_br[1] = ELF_PTR_TO_FDESC (func)->ip;
+  sc->sc_gr[1] = ELF_PTR_TO_FDESC (func)->gp;
 
   /* set up the call frame: */
   sc->sc_ar_pfs = ((sc->sc_ar_pfs & ~0x3fffffffffUL)
                   | (argc + 2) | ((argc + 2) << 7));
-  rbs = (long *) stack_start;
+  rbs = (unsigned long *) stack_start;
   PUSH((long) ucp->uc_link);
-  PUSH(((struct fdesc *) &__start_context)->gp);
+  PUSH(ELF_PTR_TO_FDESC (&__start_context)->gp);
   va_start (ap, argc);
   for (i = 0; i < argc; ++i)
     PUSH(va_arg (ap, long));