slbt_get_archive_meta(): initial implementation.

2 files changed, 216 insertions, 0 deletions

diff --git a/include/slibtool/slibtool.h b/include/slibtool/slibtool.h
index a742037..1743262 100644
--- a/include/slibtool/slibtool.h
+++ b/include/slibtool/slibtool.h
@@ -7,6 +7,7 @@
 #include <unistd.h>
 
 #include "slibtool_api.h"
+#include "slibtool_arbits.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -96,6 +97,13 @@ enum slbt_custom_error {
 	SLBT_ERR_LCONF_MAP,
 	SLBT_ERR_LCONF_PARSE,
 	SLBT_ERR_AR_FAIL,
+	SLBT_ERR_AR_EMPTY_FILE,
+	SLBT_ERR_AR_INVALID_SIGNATURE,
+	SLBT_ERR_AR_INVALID_HEADER,
+	SLBT_ERR_AR_TRUNCATED_DATA,
+	SLBT_ERR_AR_DUPLICATE_LONG_NAMES,
+	SLBT_ERR_AR_DUPLICATE_ARMAP_MEMBER,
+	SLBT_ERR_AR_MISPLACED_ARMAP_MEMBER,
 };
 
 /* execution modes */
@@ -277,6 +285,31 @@ struct slbt_driver_ctx {
 	void *				any;
 };
 
+struct slbt_raw_archive {
+	void *				map_addr;
+	size_t				map_size;
+};
+
+struct slbt_archive_meta {
+	struct slbt_raw_archive         r_archive;
+	struct ar_raw_signature *       r_signature;
+
+	struct ar_meta_signature *      m_signature;
+
+	struct ar_meta_member_info **   a_memberv;
+	struct ar_meta_member_info *    a_namestrs;
+
+	struct ar_meta_armap_info       a_armap_primary;
+	struct ar_meta_armap_info       a_armap_pecoff;
+};
+
+struct slbt_archive_ctx {
+	const char * const *		path;
+	const struct slbt_raw_archive *	map;
+	const struct slbt_archive_meta *meta;
+	void *				any;
+};
+
 /* raw input api */
 slbt_api int  slbt_map_input            (const struct slbt_driver_ctx *,
                                          int, const char *, int,
@@ -323,6 +356,13 @@ slbt_api int  slbt_copy_file            (const struct slbt_driver_ctx *, struct
 slbt_api int  slbt_dump_machine         (const char * compiler, char * machine, size_t bufsize);
 slbt_api int  slbt_realpath             (int, const char *, int, char *, size_t);
 
+/* archiver api */
+slbt_api int  slbt_get_archive_meta     (const struct slbt_driver_ctx *,
+                                         const struct slbt_raw_archive *,
+                                         struct slbt_archive_meta **);
+
+slbt_api void slbt_free_archive_meta    (struct slbt_archive_meta *);
+
 /* utility api */
 slbt_api int  slbt_main                 (char **, char **,
                                          const struct slbt_fd_ctx *);
diff --git a/include/slibtool/slibtool_arbits.h b/include/slibtool/slibtool_arbits.h
new file mode 100644
index 0000000..9a5ab4d
--- /dev/null
+++ b/include/slibtool/slibtool_arbits.h
@@ -0,0 +1,176 @@
+#ifndef SLIBTOOL_ARBITS_H
+#define SLIBTOOL_ARBITS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stddef.h>
+
+#define AR_SIGNATURE            "!<arch>\n"
+
+#define AR_MEMBER_ATTR_DEFAULT  (0x00)
+#define AR_MEMBER_ATTR_ASCII    (0x01)
+#define AR_MEMBER_ATTR_UTF8     (0x02)
+#define AR_MEMBER_ATTR_ARMAP    (0x04)
+#define AR_MEMBER_ATTR_OBJECT   (0x08)
+#define AR_MEMBER_ATTR_SYMDEFS  (0x10)
+#define AR_MEMBER_ATTR_NAMESTRS (0x20)
+#define AR_MEMBER_ATTR_LINKINFO (0x40)
+#define AR_MEMBER_ATTR_ARCHIVE  (0x80)
+
+#define AR_HEADER_ATTR_DEFAULT  (0x00)
+#define AR_HEADER_ATTR_FILE_ID  (0x01)
+#define AR_HEADER_ATTR_NAME_REF (0x02)
+#define AR_HEADER_ATTR_BSD      (0x10)
+#define AR_HEADER_ATTR_SYSV     (0x20)
+
+#define AR_ARMAP_ATTR_PLAIN     (0x0000)
+#define AR_ARMAP_ATTR_SORTED    (0x0001)
+#define AR_ARMAP_ATTR_BSD       (0x0010)
+#define AR_ARMAP_ATTR_SYSV      (0x0020)
+#define AR_ARMAP_ATTR_COFF      (0x0040)
+#define AR_ARMAP_ATTR_LE_32     (0x0100)
+#define AR_ARMAP_ATTR_LE_64     (0x0200)
+#define AR_ARMAP_ATTR_BE_32     (0x0400)
+#define AR_ARMAP_ATTR_BE_64     (0x0800)
+
+#define AR_OBJECT_ATTR_NONE     (0X0000)
+#define AR_OBJECT_ATTR_ELF      (0x0001)
+#define AR_OBJECT_ATTR_COFF     (0x0002)
+#define AR_OBJECT_ATTR_MACHO    (0x0004)
+#define AR_OBJECT_ATTR_LE_32    (0x0100)
+#define AR_OBJECT_ATTR_LE_64    (0x0200)
+#define AR_OBJECT_ATTR_BE_32    (0x0400)
+#define AR_OBJECT_ATTR_BE_64    (0x0800)
+
+struct ar_raw_signature {
+	char    ar_signature                    [0x08];         /* 0x00 */
+};
+
+struct ar_raw_file_header {
+	char    ar_file_id                      [0x10];         /* 0x00 */
+	char    ar_time_date_stamp              [0x0c];         /* 0x10 */
+	char    ar_uid                          [0x06];         /* 0x1c */
+	char    ar_gid                          [0x06];         /* 0x22 */
+	char    ar_file_mode                    [0x08];         /* 0x28 */
+	char    ar_file_size                    [0x0a];         /* 0x30 */
+	char    ar_end_tag                      [0x02];         /* 0x3a */
+};
+
+struct ar_raw_armap_ref_32 {
+	unsigned char   ar_name_offset          [0x04];         /* 0x00 */
+	unsigned char   ar_member_offset        [0x04];         /* 0x04 */
+};
+
+struct ar_raw_armap_ref_64 {
+	unsigned char   ar_name_offset          [0x08];         /* 0x00 */
+	unsigned char   ar_member_offset        [0x08];         /* 0x08 */
+};
+
+struct ar_raw_armap_bsd_32 {
+	unsigned char   (*ar_size_of_refs)      [0x04];
+	unsigned char   (*ar_first_name_offset) [0x04];
+	unsigned char   (*ar_size_of_strs)      [0x04];
+	const char *    (*ar_string_table);
+};
+
+struct ar_raw_armap_bsd_64 {
+	unsigned char   (*ar_size_of_refs)      [0x08];
+	unsigned char   (*ar_first_name_offset) [0x08];
+	unsigned char   (*ar_size_of_strs)      [0x08];
+	const char *    (*ar_string_table);
+};
+
+struct ar_raw_armap_sysv_32 {
+	unsigned char   (*ar_num_of_syms)       [0x04];
+	unsigned char   (*ar_first_ref_offset)  [0x04];
+	const char *    (*ar_string_table);
+};
+
+struct ar_raw_armap_sysv_64 {
+	unsigned char   (*ar_num_of_syms)       [0x08];
+	unsigned char   (*ar_first_ref_offset)  [0x08];
+	const char *    (*ar_string_table);
+};
+
+struct ar_raw_armap_xcoff_32 {
+	unsigned char   (*ar_num_of_members)      [0x04];
+	unsigned char   (*ar_first_member_offset) [0x04];
+	unsigned char   (*ar_num_of_symbols)      [0x04];
+	unsigned char   (*ar_sym_member_indices)  [0x02];
+	char            (*ar_string_table)        [];
+};
+
+struct ar_meta_signature {
+	const char *    ar_signature;
+};
+
+struct ar_meta_file_header {
+	const char *    ar_member_name;
+	uint64_t        ar_time_date_stamp;
+	uint32_t        ar_uid;
+	uint32_t        ar_gid;
+	uint32_t        ar_file_mode;
+	uint64_t        ar_file_size;
+	uint32_t        ar_header_attr;
+};
+
+struct ar_meta_member_info {
+	struct ar_meta_file_header      ar_file_header;
+	uint32_t                        ar_member_attr;
+	uint32_t                        ar_object_attr;
+	uint64_t                        ar_object_size;
+	void *                          ar_object_data;
+};
+
+struct ar_meta_armap_ref_32 {
+	uint32_t                        ar_name_offset;
+	uint32_t                        ar_member_offset;
+};
+
+struct ar_meta_armap_ref_64 {
+	uint64_t                        ar_name_offset;
+	uint64_t                        ar_member_offset;
+};
+
+struct ar_meta_armap_common_32 {
+	struct ar_meta_member_info *    ar_member;
+	struct ar_raw_armap_bsd_32 *    ar_armap_bsd;
+	struct ar_raw_armap_sysv_32 *   ar_armap_sysv;
+	struct ar_raw_armap_xcoff_32 *  ar_armap_xcoff;
+	uint32_t                        ar_armap_attr;
+	uint32_t                        ar_num_of_symbols;
+	uint32_t                        ar_num_of_members;
+	uint32_t                        ar_first_member_offset;
+	uint32_t                        ar_size_of_refs;
+	uint32_t                        ar_size_of_strs;
+	uint16_t *                      ar_sym_member_indices;
+	const char *                    ar_string_table;
+};
+
+struct ar_meta_armap_common_64 {
+	struct ar_meta_member_info *    ar_member;
+	struct ar_raw_armap_bsd_64 *    ar_armap_bsd;
+	struct ar_raw_armap_sysv_64 *   ar_armap_sysv;
+	void *                          ar_armap_xcoff;
+	uint32_t                        ar_armap_attr;
+	uint64_t                        ar_num_of_symbols;
+	uint64_t                        ar_num_of_members;
+	uint64_t                        ar_first_member_offset;
+	uint64_t                        ar_size_of_refs;
+	uint64_t                        ar_size_of_strs;
+	uint16_t *                      ar_sym_member_indices;
+	const char *                    ar_string_table;
+};
+
+struct ar_meta_armap_info {
+	const struct ar_meta_armap_common_32 *  ar_armap_common_32;
+	const struct ar_meta_armap_common_64 *  ar_armap_common_64;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif