Squashed 'third_party/elfutils/' content from commit 555e15e
Change-Id: I61cde98949e47e5c8c09c33260de17f30921be79
git-subtree-dir: third_party/elfutils
git-subtree-split: 555e15ebe8bf1eb33d00747173cfc80cc65648a4
diff --git a/backends/ia64_symbol.c b/backends/ia64_symbol.c
new file mode 100644
index 0000000..f928b0b
--- /dev/null
+++ b/backends/ia64_symbol.c
@@ -0,0 +1,157 @@
+/* IA-64 specific symbolic name handling.
+ Copyright (C) 2002-2009, 2014 Red Hat, Inc.
+ This file is part of elfutils.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+ This file is free software; you can redistribute it and/or modify
+ it under the terms of either
+
+ * the GNU Lesser General Public License as published by the Free
+ Software Foundation; either version 3 of the License, or (at
+ your option) any later version
+
+ or
+
+ * the GNU General Public License as published by the Free
+ Software Foundation; either version 2 of the License, or (at
+ your option) any later version
+
+ or both in parallel, as here.
+
+ elfutils 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
+ General Public License for more details.
+
+ You should have received copies of the GNU General Public License and
+ the GNU Lesser General Public License along with this program. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <elf.h>
+#include <stddef.h>
+#include <assert.h>
+
+#define BACKEND ia64_
+#include "libebl_CPU.h"
+
+
+const char *
+ia64_segment_type_name (int segment, char *buf __attribute__ ((unused)),
+ size_t len __attribute__ ((unused)))
+{
+ switch (segment)
+ {
+ case PT_IA_64_ARCHEXT:
+ return "IA_64_ARCHEXT";
+ case PT_IA_64_UNWIND:
+ return "IA_64_UNWIND";
+ case PT_IA_64_HP_OPT_ANOT:
+ return "IA_64_HP_OPT_ANOT";
+ case PT_IA_64_HP_HSL_ANOT:
+ return "IA_64_HP_HSL_ANOT";
+ case PT_IA_64_HP_STACK:
+ return "IA_64_HP_STACK";
+ default:
+ break;
+ }
+ return NULL;
+}
+
+const char *
+ia64_dynamic_tag_name (int64_t tag, char *buf __attribute__ ((unused)),
+ size_t len __attribute__ ((unused)))
+{
+ switch (tag)
+ {
+ case DT_IA_64_PLT_RESERVE:
+ return "IA_64_PLT_RESERVE";
+ default:
+ break;
+ }
+ return NULL;
+}
+
+/* Check dynamic tag. */
+bool
+ia64_dynamic_tag_check (int64_t tag)
+{
+ return tag == DT_IA_64_PLT_RESERVE;
+}
+
+/* Check whether machine flags are valid. */
+bool
+ia64_machine_flag_check (GElf_Word flags)
+{
+ return ((flags &~ EF_IA_64_ABI64) == 0);
+}
+
+/* Check whether SHF_MASKPROC flags are valid. */
+bool
+ia64_machine_section_flag_check (GElf_Xword sh_flags)
+{
+ return (sh_flags &~ (SHF_IA_64_SHORT | SHF_IA_64_NORECOV)) == 0;
+}
+
+/* Return symbolic representation of section type. */
+const char *
+ia64_section_type_name (int type,
+ char *buf __attribute__ ((unused)),
+ size_t len __attribute__ ((unused)))
+{
+ switch (type)
+ {
+ case SHT_IA_64_EXT:
+ return "IA_64_EXT";
+ case SHT_IA_64_UNWIND:
+ return "IA_64_UNWIND";
+ }
+
+ return NULL;
+}
+
+/* Check for the simple reloc types. */
+Elf_Type
+ia64_reloc_simple_type (Ebl *ebl, int type)
+{
+ switch (type)
+ {
+ /* The SECREL types when used with non-allocated sections
+ like .debug_* are the same as direct absolute relocs
+ applied to those sections, since a 0 section address is assumed.
+ So we treat them the same here. */
+
+ case R_IA64_SECREL32MSB:
+ case R_IA64_DIR32MSB:
+ if (ebl->data == ELFDATA2MSB)
+ return ELF_T_WORD;
+ break;
+ case R_IA64_SECREL32LSB:
+ case R_IA64_DIR32LSB:
+ if (ebl->data == ELFDATA2LSB)
+ return ELF_T_WORD;
+ break;
+ case R_IA64_DIR64MSB:
+ case R_IA64_SECREL64MSB:
+ if (ebl->data == ELFDATA2MSB)
+ return ELF_T_XWORD;
+ break;
+ case R_IA64_SECREL64LSB:
+ case R_IA64_DIR64LSB:
+ if (ebl->data == ELFDATA2LSB)
+ return ELF_T_XWORD;
+ break;
+ }
+
+ return ELF_T_NUM;
+}
+
+/* The SHT_IA_64_UNWIND section type is a valid target for relocation. */
+bool
+ia64_check_reloc_target_type (Ebl *ebl __attribute__ ((unused)), Elf64_Word sh_type)
+{
+ return sh_type == SHT_IA_64_UNWIND;
+}