Merge glibc-ports into ports/ directory. glibc-2.16.90 glibc-2.16-ports-merge

1 files changed, 79 insertions, 0 deletions

diff --git a/ports/sysdeps/hppa/dl-lookupcfg.h b/ports/sysdeps/hppa/dl-lookupcfg.h
new file mode 100644
index 0000000000..a81f41035f
--- /dev/null
+++ b/ports/sysdeps/hppa/dl-lookupcfg.h
@@ -0,0 +1,79 @@
+/* Configuration of lookup functions.
+   Copyright (C) 2000, 2004 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_AUTO_FUNCTION_ADDRESS(map, addr)				\
+({									\
+  unsigned int fptr[2];							\
+  fptr[0] = (unsigned int) (addr);					\
+  fptr[1] = (map)->l_info[DT_PLTGOT]->d_un.d_ptr;			\
+  /* Set bit 30 to indicate to $$dyncall that this is a PLABEL. */	\
+  (ElfW(Addr))((unsigned int)fptr | 2);					\
+})
+
+#define DL_STATIC_FUNCTION_ADDRESS(map, addr)				\
+({									\
+  static unsigned int fptr[2];						\
+  fptr[0] = (unsigned int) (addr);					\
+  fptr[1] = (map)->l_info[DT_PLTGOT]->d_un.d_ptr;			\
+  /* Set bit 30 to indicate to $$dyncall that this is a PLABEL. */	\
+  (ElfW(Addr))((unsigned int)fptr | 2);					\
+})
+
+
+/* The test for "addr & 2" below is to accomodate old binaries which
+   violated the ELF ABI by pointing DT_INIT and DT_FINI at a function
+   descriptor.  */
+#define DL_DT_INIT_ADDRESS(map, addr) \
+  ((Elf32_Addr)(addr) & 2 ? (addr) : DL_AUTO_FUNCTION_ADDRESS (map, addr))
+#define DL_DT_FINI_ADDRESS(map, addr) \
+  ((Elf32_Addr)(addr) & 2 ? (addr) : DL_AUTO_FUNCTION_ADDRESS (map, addr))
+
+/* 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))
+