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[PATCH 2/5] sparc: support for the check_object_attribute ebl hook.
- From: Jose E. Marchesi <jose dot marchesi at oracle dot com>
- To: elfutils-devel at lists dot fedorahosted dot org
- Date: Mon, 05 Oct 2015 17:36:31 +0200
- Subject: [PATCH 2/5] 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>
---
backends/ChangeLog | 6 ++++
backends/Makefile.am | 2 +-
backends/sparc_attrs.c | 75 ++++++++++++++++++++++++++++++++++++++++++++++++++
backends/sparc_init.c | 1 +
4 files changed, 83 insertions(+), 1 deletion(-)
create mode 100644 backends/sparc_attrs.c
diff --git a/backends/ChangeLog b/backends/ChangeLog
index 9d98f35..b5e1940 100644
--- a/backends/ChangeLog
+++ b/backends/ChangeLog
@@ -1,3 +1,9 @@
+2015-10-02 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.
+
2015-09-22 Mark Wielaard <mjw@redhat.com>
* arm_attrs.c: Remove old-style function definitions.
diff --git a/backends/Makefile.am b/backends/Makefile.am
index 21d7bd2..cefe5eb 100644
--- 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
index 0000000..cf5086b
--- /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[32] =
+ {
+ "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", NULL, NULL
+ };
+ if (value < 32 && hwcaps[value] != NULL)
+ *value_name = hwcaps[value];
+ return true;
+
+ case 8:
+ *tag_name = "GNU_Sparc_HWCAPS2";
+ static const char *hwcaps2[32] =
+ {
+ "fjathplus", "vis3b", "adp", "sparc5", "mwait", "xmpmul",
+ "xmont", "nsec", "fjathhpc", "fjdes", "fjaes"
+ };
+ if (value < 32 && hwcaps2[value] != NULL)
+ *value_name = hwcaps2[value];
+ return true;
+ }
+
+ return false;
+}
+
diff --git a/backends/sparc_init.c b/backends/sparc_init.c
index 18d7349..d3c2009 100644
--- a/backends/sparc_init.c
+++ b/backends/sparc_init.c
@@ -70,6 +70,7 @@ 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;
}
--
2.3.4