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authorMike Frysinger <vapier@gentoo.org>2014-02-15 22:07:25 -0500
committerMike Frysinger <vapier@gentoo.org>2014-02-16 01:12:38 -0500
commitc70a4b1db0cf5e813ae24b0fa96a352399eb6edf (patch)
tree5a36b0f0955682ae5232907d04fdf68589990783 /sysdeps/ia64/dl-lookupcfg.h
parent591aeaf7a99bc9aa9179f013114d92496952dced (diff)
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ia64: relocate out of ports/ subdir
Diffstat (limited to 'sysdeps/ia64/dl-lookupcfg.h')
-rw-r--r--sysdeps/ia64/dl-lookupcfg.h75
1 files changed, 75 insertions, 0 deletions
diff --git a/sysdeps/ia64/dl-lookupcfg.h b/sysdeps/ia64/dl-lookupcfg.h
new file mode 100644
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+++ b/sysdeps/ia64/dl-lookupcfg.h
@@ -0,0 +1,75 @@
+/* Configuration of lookup functions.
+   Copyright (C) 2000-2014 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#define ELF_FUNCTION_PTR_IS_SPECIAL
+#define DL_UNMAP_IS_SPECIAL
+
+#include <dl-fptr.h>
+
+/* We do not support copy relocations for IA-64.  */
+#define DL_NO_COPY_RELOCS
+
+/* Forward declaration.  */
+struct link_map;
+
+extern void *_dl_symbol_address (struct link_map *map, const Elf64_Sym *ref);
+
+#define DL_SYMBOL_ADDRESS(map, ref) _dl_symbol_address(map, ref)
+
+extern Elf64_Addr _dl_lookup_address (const void *address);
+
+#define DL_LOOKUP_ADDRESS(addr) _dl_lookup_address (addr)
+
+extern void _dl_unmap (struct link_map *map);
+
+#define DL_UNMAP(map) _dl_unmap (map)
+
+#define DL_DT_FUNCTION_ADDRESS(map, start, attr, addr)			\
+  attr volatile unsigned long int fptr[2];					\
+  fptr[0] = (unsigned long int) (start);					\
+  fptr[1] = (map)->l_info[DT_PLTGOT]->d_un.d_ptr;			\
+  addr = (ElfW(Addr)) fptr;						\
+
+#define DL_CALL_DT_INIT(map, start, argc, argv, env)	\
+{							\
+  ElfW(Addr) addr;					\
+  DL_DT_FUNCTION_ADDRESS(map, start, , addr)		\
+  init_t init = (init_t) addr; 				\
+  init (argc, argv, env);				\
+}
+
+#define DL_CALL_DT_FINI(map, start)		\
+{						\
+  ElfW(Addr) addr;				\
+  DL_DT_FUNCTION_ADDRESS(map, start, , addr)	\
+  fini_t fini = (fini_t) addr;			\
+  fini ();					\
+}
+
+/* The type of the return value of fixup/profile_fixup.  */
+#define DL_FIXUP_VALUE_TYPE struct fdesc
+/* Construct a value of type DL_FIXUP_VALUE_TYPE from a code address
+   and a link map.  */
+#define DL_FIXUP_MAKE_VALUE(map, addr) \
+  ((struct fdesc) { (addr), (map)->l_info[DT_PLTGOT]->d_un.d_ptr })
+/* Extract the code address from a value of type DL_FIXUP_MAKE_VALUE.
+ */
+#define DL_FIXUP_VALUE_CODE_ADDR(value) (value).ip
+
+#define DL_FIXUP_VALUE_ADDR(value) ((uintptr_t) &(value))
+#define DL_FIXUP_ADDR_VALUE(addr) (*(struct fdesc *) (addr))