1 files changed, 96 insertions, 0 deletions
diff --git a/rtemstoolkit/elftoolchain/libelf/libelf_memory.c b/rtemstoolkit/elftoolchain/libelf/libelf_memory.c
new file mode 100644
index 0000000..cb8e8f2
--- /dev/null
+++ b/rtemstoolkit/elftoolchain/libelf/libelf_memory.c
@@ -0,0 +1,96 @@
+/*-
+ * Copyright (c) 2011 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 <ar.h>
+#include <assert.h>
+#include <string.h>
+#include <libelf.h>
+
+#include "_libelf.h"
+
+ELFTC_VCSID("$Id: libelf_memory.c 3013 2014-03-23 06:16:59Z jkoshy $");
+
+/*
+ * Create an ELF descriptor for a memory image, optionally reporting
+ * parse errors.
+ */
+
+Elf *
+_libelf_memory(unsigned char *image, size_t sz, int reporterror)
+{
+	Elf *e;
+	int e_class;
+	enum Elf_Error error;
+	unsigned int e_byteorder, e_version;
+
+	assert(image != NULL);
+	assert(sz > 0);
+
+	if ((e = _libelf_allocate_elf()) == NULL)
+		return (NULL);
+
+	e->e_cmd = ELF_C_READ;
+	e->e_rawfile = image;
+	e->e_rawsize = sz;
+
+#undef	LIBELF_IS_ELF
+#define	LIBELF_IS_ELF(P) ((P)[EI_MAG0] == ELFMAG0 && 		\
+	(P)[EI_MAG1] == ELFMAG1 && (P)[EI_MAG2] == ELFMAG2 &&	\
+	(P)[EI_MAG3] == ELFMAG3)
+
+	if (sz > EI_NIDENT && LIBELF_IS_ELF(image)) {
+		e_byteorder = image[EI_DATA];
+		e_class     = image[EI_CLASS];
+		e_version   = image[EI_VERSION];
+
+		error = ELF_E_NONE;
+
+		if (e_version > EV_CURRENT)
+			error = ELF_E_VERSION;
+		else if ((e_byteorder != ELFDATA2LSB && e_byteorder !=
+ 		    ELFDATA2MSB) || (e_class != ELFCLASS32 && e_class !=
+		    ELFCLASS64))
+			error = ELF_E_HEADER;
+
+		if (error != ELF_E_NONE) {
+			if (reporterror) {
+				LIBELF_PRIVATE(error) = LIBELF_ERROR(error, 0);
+				(void) _libelf_release_elf(e);
+				return (NULL);
+			}
+		} else {
+			_libelf_init_elf(e, ELF_K_ELF);
+
+			e->e_byteorder = e_byteorder;
+			e->e_class = e_class;
+			e->e_version = e_version;
+		}
+	} else if (sz >= SARMAG &&
+	    strncmp((const char *) image, ARMAG, (size_t) SARMAG) == 0)
+		return (_libelf_ar_open(e, reporterror));
+
+	return (e);
+}