1 files changed, 157 insertions, 0 deletions
diff --git a/contrib/elftoolchain/libpe/pe_coff.c b/contrib/elftoolchain/libpe/pe_coff.c
new file mode 100644
index 000000000000..d5cd83311a58
--- /dev/null
+++ b/contrib/elftoolchain/libpe/pe_coff.c
@@ -0,0 +1,157 @@
+/*-
+ * Copyright (c) 2015 Kai Wang
+ * 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 <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "_libpe.h"
+
+ELFTC_VCSID("$Id: pe_coff.c 3312 2016-01-10 09:23:51Z kaiwang27 $");
+
+PE_CoffHdr *
+pe_coff_header(PE *pe)
+{
+
+	if (pe->pe_ch == NULL) {
+		errno = ENOENT;
+		return (NULL);
+	}
+
+	return (pe->pe_ch);
+}
+
+PE_OptHdr *
+pe_opt_header(PE *pe)
+{
+
+	if (pe->pe_oh == NULL) {
+		errno = ENOENT;
+		return (NULL);
+	}
+
+	return (pe->pe_oh);
+}
+
+PE_DataDir *
+pe_data_dir(PE *pe)
+{
+
+	if (pe->pe_dd == NULL) {
+		errno = ENOENT;
+		return (NULL);
+	}
+
+	return (pe->pe_dd);
+}
+
+int
+pe_update_coff_header(PE *pe, PE_CoffHdr *ch)
+{
+
+	if (pe == NULL || ch == NULL) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	if (pe->pe_cmd == PE_C_READ || pe->pe_flags & LIBPE_F_FD_DONE) {
+		errno = EACCES;
+		return (-1);
+	}
+
+	if (pe->pe_ch == NULL) {
+		if ((pe->pe_ch = malloc(sizeof(PE_CoffHdr))) == NULL) {
+			errno = ENOMEM;
+			return (-1);
+		}
+	} else {
+		/* Rewrite optional header if `optsize' field changed. */
+		if (pe->pe_ch->ch_optsize != ch->ch_optsize)
+			pe->pe_flags |= LIBPE_F_DIRTY_OPT_HEADER;
+	}
+
+	*pe->pe_ch = *ch;
+
+	pe->pe_flags |= LIBPE_F_DIRTY_COFF_HEADER;
+
+	return (0);
+}
+
+int
+pe_update_opt_header(PE *pe, PE_OptHdr *oh)
+{
+
+	if (pe == NULL || oh == NULL) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	if (pe->pe_cmd == PE_C_READ || pe->pe_flags & LIBPE_F_FD_DONE) {
+		errno = EACCES;
+		return (-1);
+	}
+
+	if (pe->pe_oh == NULL) {
+		if ((pe->pe_oh = malloc(sizeof(PE_OptHdr))) == NULL) {
+			errno = ENOMEM;
+			return (-1);
+		}
+	}
+
+	*pe->pe_oh = *oh;
+
+	pe->pe_flags |= LIBPE_F_DIRTY_OPT_HEADER;
+
+	return (0);
+}
+
+int
+pe_update_data_dir(PE *pe, PE_DataDir *dd)
+{
+
+	if (pe == NULL || dd == NULL) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	if (pe->pe_cmd == PE_C_READ || pe->pe_flags & LIBPE_F_FD_DONE) {
+		errno = EACCES;
+		return (-1);
+	}
+
+	if (pe->pe_dd == NULL) {
+		if ((pe->pe_dd = malloc(sizeof(PE_DataDir))) == NULL) {
+			errno = ENOMEM;
+			return (-1);
+		}
+	}
+
+	*pe->pe_dd = *dd;
+
+	pe->pe_flags |= LIBPE_F_DIRTY_OPT_HEADER;
+
+	return (0);
+}