Initial code drop of version 0.153
Change-Id: I97d4765497db839471de6b10aa612bfaca110297
diff --git a/0.153/backends/sparc_symbol.c b/0.153/backends/sparc_symbol.c
new file mode 100644
index 0000000..7896e9f
--- /dev/null
+++ b/0.153/backends/sparc_symbol.c
@@ -0,0 +1,145 @@
+/* SPARC specific symbolic name handling.
+ Copyright (C) 2002, 2003, 2005, 2007, 2008 Red Hat, Inc.
+ This file is part of Red Hat elfutils.
+ Written by Jakub Jelinek <jakub@redhat.com>, 2002.
+
+ Red Hat elfutils is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by the
+ Free Software Foundation; version 2 of the License.
+
+ Red Hat 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 a copy of the GNU General Public License along
+ with Red Hat elfutils; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
+
+ Red Hat elfutils is an included package of the Open Invention Network.
+ An included package of the Open Invention Network is a package for which
+ Open Invention Network licensees cross-license their patents. No patent
+ license is granted, either expressly or impliedly, by designation as an
+ included package. Should you wish to participate in the Open Invention
+ Network licensing program, please visit www.openinventionnetwork.com
+ <http://www.openinventionnetwork.com>. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <elf.h>
+#include <stddef.h>
+
+#define BACKEND sparc_
+#include "libebl_CPU.h"
+
+/* Check for the simple reloc types. */
+Elf_Type
+sparc_reloc_simple_type (Ebl *ebl __attribute__ ((unused)), int type)
+{
+ switch (type)
+ {
+ case R_SPARC_8:
+ return ELF_T_BYTE;
+ case R_SPARC_16:
+ case R_SPARC_UA16:
+ return ELF_T_HALF;
+ case R_SPARC_32:
+ case R_SPARC_UA32:
+ return ELF_T_WORD;
+ case R_SPARC_64:
+ case R_SPARC_UA64:
+ return ELF_T_XWORD;
+ default:
+ return ELF_T_NUM;
+ }
+}
+
+/* Check whether machine flags are valid. */
+bool
+sparc_machine_flag_check (GElf_Word flags)
+{
+ return ((flags &~ (EF_SPARCV9_MM
+ | EF_SPARC_LEDATA
+ | EF_SPARC_32PLUS
+ | EF_SPARC_SUN_US1
+ | EF_SPARC_SUN_US3)) == 0);
+}
+
+bool
+sparc_check_special_section (Ebl *ebl,
+ int ndx __attribute__ ((unused)),
+ const GElf_Shdr *shdr,
+ const char *sname __attribute__ ((unused)))
+{
+ if ((shdr->sh_flags & (SHF_WRITE | SHF_EXECINSTR))
+ == (SHF_WRITE | SHF_EXECINSTR))
+ {
+ /* This is ordinarily flagged, but is valid for a PLT on SPARC.
+
+ Look for the SHT_DYNAMIC section and the DT_PLTGOT tag in it.
+ Its d_ptr should match the .plt section's sh_addr. */
+
+ Elf_Scn *scn = NULL;
+ while ((scn = elf_nextscn (ebl->elf, scn)) != NULL)
+ {
+ GElf_Shdr scn_shdr;
+ if (likely (gelf_getshdr (scn, &scn_shdr) != NULL)
+ && scn_shdr.sh_type == SHT_DYNAMIC
+ && scn_shdr.sh_entsize != 0)
+ {
+ Elf_Data *data = elf_getdata (scn, NULL);
+ if (data != NULL)
+ for (size_t i = 0; i < data->d_size / scn_shdr.sh_entsize; ++i)
+ {
+ GElf_Dyn dyn;
+ if (unlikely (gelf_getdyn (data, i, &dyn) == NULL))
+ break;
+ if (dyn.d_tag == DT_PLTGOT)
+ return dyn.d_un.d_ptr == shdr->sh_addr;
+ }
+ break;
+ }
+ }
+ }
+
+ return false;
+}
+
+const char *
+sparc_symbol_type_name (int type,
+ char *buf __attribute__ ((unused)),
+ size_t len __attribute__ ((unused)))
+{
+ switch (type)
+ {
+ case STT_SPARC_REGISTER:
+ return "SPARC_REGISTER";
+ }
+ return NULL;
+}
+
+const char *
+sparc_dynamic_tag_name (int64_t tag,
+ char *buf __attribute__ ((unused)),
+ size_t len __attribute__ ((unused)))
+{
+ switch (tag)
+ {
+ case DT_SPARC_REGISTER:
+ return "SPARC_REGISTER";
+ }
+ return NULL;
+}
+
+bool
+sparc_dynamic_tag_check (int64_t tag)
+{
+ switch (tag)
+ {
+ case DT_SPARC_REGISTER:
+ return true;
+ }
+ return false;
+}