Relocate hppa from ports to libc.

1 files changed, 82 insertions, 0 deletions

diff --git a/sysdeps/hppa/dl-lookupcfg.h b/sysdeps/hppa/dl-lookupcfg.h
new file mode 100644
index 0000000000..58dc3856c6
--- /dev/null
+++ b/sysdeps/hppa/dl-lookupcfg.h
@@ -0,0 +1,82 @@
+/* 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>
+
+/* Forward declaration.  */
+struct link_map;
+
+void *_dl_symbol_address (struct link_map *map, const ElfW(Sym) *ref);
+
+#define DL_SYMBOL_ADDRESS(map, ref) _dl_symbol_address(map, ref)
+
+Elf32_Addr _dl_lookup_address (const void *address);
+
+/* Clear the bottom two bits so generic code can find the fdesc entry */
+#define DL_LOOKUP_ADDRESS(addr) \
+  (_dl_lookup_address ((void *)((unsigned long)addr & ~3)))
+
+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 int fptr[2];					\
+ /* The test for "start & 2" below is to accommodate old binaries which	\
+    violated the ELF ABI by pointing DT_INIT and DT_FINI at a function	\
+    descriptor.  */							\
+  if ((ElfW(Addr)) (start) & 2)						\
+    addr = (ElfW(Addr)) start;						\
+  else									\
+    {									\
+      fptr[0] = (unsigned int) (start);					\
+      fptr[1] = (map)->l_info[DT_PLTGOT]->d_un.d_ptr;			\
+      /* Set bit 30 to indicate to $$dyncall that this is a PLABEL. */	\
+      addr = (ElfW(Addr))((unsigned int)fptr | 2);			\
+    }									\
+
+#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 fixup value from the address and linkmap */
+#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 fixup 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))