sparc: support for the check_object_attribute ebl hook.

This makes elfutils based utilities to be aware of the ELF attribute
tags defined in sparc targets.

Signed-off-by: Jose E. Marchesi <jose.marchesi@oracle.com>

diff --git a/backends/ChangeLog b/backends/ChangeLog
index 60c6b72ff768785496084851285d549b44aecaeb..791b9db90724ef3a2813cdaae33b3649578b8515 100644 (file)
--- a/backends/ChangeLog
+++ b/backends/ChangeLog
@@ -1,3 +1,9 @@
+2015-10-06  Jose E. Marchesi  <jose.marchesi@oracle.com>
+
+       * sparc_attrs.c: New file.
+       * Makefile.am (sparc_SRCS): Added sparc_attrs.c
+       * sparc_init.c (sparc_init): Hook sparc_check_object_attribute.
+
 2015-10-02  Jose E. Marchesi  <jose.marchesi@oracle.com>
 
        * sparc_init.c (RELOC_TYPE_ID): Defined.

diff --git a/backends/Makefile.am b/backends/Makefile.am
index 21d7bd24da3eaa5582580bea1d421d55849e1ad7..cefe5ebb9fc0c69601dc80b834ae299ac7e62bed 100644 (file)
--- a/backends/Makefile.am
+++ b/backends/Makefile.am
@@ -84,7 +84,7 @@ libebl_aarch64_pic_a_SOURCES = $(aarch64_SRCS)
 am_libebl_aarch64_pic_a_OBJECTS = $(aarch64_SRCS:.c=.os)
 
 sparc_SRCS = sparc_init.c sparc_symbol.c sparc_regs.c sparc_retval.c \
-            sparc_corenote.c sparc64_corenote.c sparc_auxv.c
+            sparc_corenote.c sparc64_corenote.c sparc_auxv.c sparc_attrs.c
 libebl_sparc_pic_a_SOURCES = $(sparc_SRCS)
 am_libebl_sparc_pic_a_OBJECTS = $(sparc_SRCS:.c=.os)
 

diff --git a/backends/sparc_attrs.c b/backends/sparc_attrs.c
new file mode 100644 (file)
index 0000000..e95b577
--- /dev/null
+++ b/backends/sparc_attrs.c
@@ -0,0 +1,75 @@
+/* Object attribute tags for SPARC.
+   Copyright (C) 2015 Oracle, Inc.
+   This file is part of elfutils.
+
+   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 <string.h>
+#include <dwarf.h>
+
+#define BACKEND sparc_
+#include "libebl_CPU.h"
+
+bool
+sparc_check_object_attribute (Ebl *ebl __attribute__ ((unused)),
+                             const char *vendor, int tag, uint64_t value,
+                             const char **tag_name, const char **value_name)
+{
+  if (!strcmp (vendor, "gnu"))
+    switch (tag)
+      {
+      case 4:
+       *tag_name = "GNU_Sparc_HWCAPS";
+       static const char *hwcaps[30] =
+         {
+           "mul32", "div32", "fsmuld", "v8plus", "popc", "vis", "vis2",
+           "asi_blk_init", "fmaf", NULL, "vis3", "hpc", "random", "trans", "fjfmau",
+           "ima", "asi_cache_sparing", "aes", "des", "kasumi", "camellia",
+           "md5", "sha1", "sha256", "sha512", "mpmul", "mont", "pause",
+           "cbcond", "crc32c"
+         };
+       if (value < 30 && hwcaps[value] != NULL)
+         *value_name = hwcaps[value];
+       return true;
+
+      case 8:
+       *tag_name = "GNU_Sparc_HWCAPS2";
+       static const char *hwcaps2[11] =
+         {
+           "fjathplus", "vis3b", "adp", "sparc5", "mwait", "xmpmul",
+           "xmont", "nsec", "fjathhpc", "fjdes", "fjaes"
+         };
+       if (value < 11)
+         *value_name = hwcaps2[value];
+       return true;
+      }
+
+  return false;
+}
+

diff --git a/backends/sparc_init.c b/backends/sparc_init.c
index 229a9b0861b119712ee9480645de5994dc4561bb..f8a7cfbdb2875951bfce43bd9206a7613df18868 100644 (file)
--- a/backends/sparc_init.c
+++ b/backends/sparc_init.c
@@ -75,6 +75,7 @@ sparc_init (Elf *elf __attribute__ ((unused)),
   HOOK (eh, auxv_info);
   HOOK (eh, register_info);
   HOOK (eh, return_value_location);
+  HOOK (eh, check_object_attribute);
 
   return MODVERSION;
 }