kgzip is a kzip(8) replacement able to compress and link bootable

32-bit binaries in both ELF and a.out format.

Development sponsored by Global Technology Associates, Inc.

Reviewed/tested by: abial

1 files changed, 81 insertions, 0 deletions

diff --git a/usr.sbin/kgzip/elfhdr.h b/usr.sbin/kgzip/elfhdr.h
new file mode 100644
index 0000000..685f620
--- /dev/null
+++ b/usr.sbin/kgzip/elfhdr.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 1999 Global Technology Associates, Inc.
+ * 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.
+ *
+ *	$Id:$
+ */
+
+#include <elf.h>
+#include "kgz.h"
+
+/* Section header indices */
+#define KGZ_SH_SYMTAB		1
+#define KGZ_SH_SHSTRTAB 	2
+#define KGZ_SH_STRTAB		3
+#define KGZ_SH_DATA		4
+#define KGZ_SHNUM		5
+
+/* Section header strings */
+#define KGZ_SHSTR_ZERO		""
+#define KGZ_SHSTR_SYMTAB	".symtab"
+#define KGZ_SHSTR_SHSTRTAB	".shstrtab"
+#define KGZ_SHSTR_STRTAB	".strtab"
+#define KGZ_SHSTR_DATA		".data"
+
+/* Section header string table */
+struct kgz_shstrtab {
+    char zero[sizeof(KGZ_SHSTR_ZERO)];
+    char symtab[sizeof(KGZ_SHSTR_SYMTAB)];
+    char shstrtab[sizeof(KGZ_SHSTR_SHSTRTAB)];
+    char strtab[sizeof(KGZ_SHSTR_STRTAB)];
+    char data[sizeof(KGZ_SHSTR_DATA)];
+};
+
+/* Symbol table indices */
+#define KGZ_ST_KGZ		1
+#define KGZ_ST_KGZ_NDATA	2
+#define KGZ_STNUM		3
+
+/* Symbol table strings */
+#define KGZ_STR_ZERO		""
+#define KGZ_STR_KGZ		"kgz"
+#define KGZ_STR_KGZ_NDATA	"kgz_ndata"
+
+/* String table */
+struct kgz_strtab {
+    char zero[sizeof(KGZ_STR_ZERO)];
+    char kgz[sizeof(KGZ_STR_KGZ)];
+    char kgz_ndata[sizeof(KGZ_STR_KGZ_NDATA)];
+};
+
+/* Relocatable header format */
+struct kgz_elfhdr {
+    Elf32_Ehdr e;
+    Elf32_Shdr sh[KGZ_SHNUM];
+    Elf32_Sym st[KGZ_STNUM];
+    struct kgz_shstrtab shstrtab;
+    struct kgz_strtab strtab;
+};
+
+extern const struct kgz_elfhdr elfhdr;