1 files changed, 58 insertions, 0 deletions
diff --git a/linkers/elftoolchain/libelf/elf_cntl.c b/linkers/elftoolchain/libelf/elf_cntl.c
new file mode 100644
index 0000000..2021917
--- /dev/null
+++ b/linkers/elftoolchain/libelf/elf_cntl.c
@@ -0,0 +1,58 @@
+/*-
+ * Copyright (c) 2006,2008 Joseph Koshy
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <libelf.h>
+
+#include "_libelf.h"
+
+LIBELF_VCSID("$Id: elf_cntl.c 189 2008-07-20 10:38:08Z jkoshy $");
+
+int
+elf_cntl(Elf *e, Elf_Cmd c)
+{
+	if (e == NULL ||
+	    (c != ELF_C_FDDONE && c != ELF_C_FDREAD)) {
+		LIBELF_SET_ERROR(ARGUMENT, 0);
+		return (-1);
+	}
+
+	if (e->e_parent) {
+		LIBELF_SET_ERROR(ARCHIVE, 0);
+		return (-1);
+	}
+
+	if (c == ELF_C_FDREAD) {
+		if (e->e_cmd == ELF_C_WRITE) {
+			LIBELF_SET_ERROR(MODE, 0);
+			return (-1);
+		}
+		else
+			return (0);
+	}
+
+	e->e_fd = -1;
+	return 0;
+}