Squashed 'third_party/elfutils/' content from commit 555e15e
Change-Id: I61cde98949e47e5c8c09c33260de17f30921be79
git-subtree-dir: third_party/elfutils
git-subtree-split: 555e15ebe8bf1eb33d00747173cfc80cc65648a4
diff --git a/libebl/eblauxvinfo.c b/libebl/eblauxvinfo.c
new file mode 100644
index 0000000..ce1141b
--- /dev/null
+++ b/libebl/eblauxvinfo.c
@@ -0,0 +1,100 @@
+/* Describe known auxv types.
+ Copyright (C) 2007, 2008, 2009 Red Hat, 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 <assert.h>
+#include <byteswap.h>
+#include <endian.h>
+#include <inttypes.h>
+#include <stdio.h>
+#include <stddef.h>
+#include <libeblP.h>
+
+#define AUXV_TYPES \
+ TYPE (NULL, "") \
+ TYPE (IGNORE, "") \
+ TYPE (EXECFD, "d") \
+ TYPE (EXECFN, "s") \
+ TYPE (PHDR, "p") \
+ TYPE (PHENT, "u") \
+ TYPE (PHNUM, "u") \
+ TYPE (PAGESZ, "u") \
+ TYPE (BASE, "p") \
+ TYPE (FLAGS, "x") \
+ TYPE (ENTRY, "p") \
+ TYPE (NOTELF, "") \
+ TYPE (UID, "u") \
+ TYPE (EUID, "u") \
+ TYPE (GID, "u") \
+ TYPE (EGID, "u") \
+ TYPE (CLKTCK, "u") \
+ TYPE (PLATFORM, "s") \
+ TYPE (BASE_PLATFORM, "s") \
+ TYPE (HWCAP, "x") \
+ TYPE (FPUCW, "x") \
+ TYPE (DCACHEBSIZE, "d") \
+ TYPE (ICACHEBSIZE, "d") \
+ TYPE (UCACHEBSIZE, "d") \
+ TYPE (IGNOREPPC, "") \
+ TYPE (SECURE, "u") \
+ TYPE (SYSINFO, "p") \
+ TYPE (SYSINFO_EHDR, "p") \
+ TYPE (L1I_CACHESHAPE, "d") \
+ TYPE (L1D_CACHESHAPE, "d") \
+ TYPE (L2_CACHESHAPE, "d") \
+ TYPE (L3_CACHESHAPE, "d") \
+ TYPE (RANDOM, "p")
+
+static const struct
+{
+ const char *name, *format;
+} auxv_types[] =
+ {
+#define TYPE(name, fmt) [AT_##name] = { #name, fmt },
+ AUXV_TYPES
+#undef TYPE
+ };
+#define nauxv_types (sizeof auxv_types / sizeof auxv_types[0])
+
+int
+ebl_auxv_info (Ebl *ebl, GElf_Xword a_type, const char **name,
+ const char **format)
+{
+ int result = ebl->auxv_info (a_type, name, format);
+ if (result == 0 && a_type < nauxv_types && auxv_types[a_type].name != NULL)
+ {
+ /* The machine specific function did not know this type. */
+ *name = auxv_types[a_type].name;
+ *format = auxv_types[a_type].format;
+ result = 1;
+ }
+ return result;
+}