diff options
Diffstat (limited to 'util/mkelfImage/include/mkelfImage.h')
| -rw-r--r-- | util/mkelfImage/include/mkelfImage.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/util/mkelfImage/include/mkelfImage.h b/util/mkelfImage/include/mkelfImage.h new file mode 100644 index 0000000000..917f46e8c2 --- /dev/null +++ b/util/mkelfImage/include/mkelfImage.h @@ -0,0 +1,125 @@ +#ifndef MKELFIMAGE_H +#define MKELFIMAGE_H + +#include <sys/types.h> +#include <stdint.h> +#include <byteswap.h> +#define USE_BSD +#include <endian.h> +#define _GNU_SOURCE + +struct memelfheader; +struct memelfphdr; +struct memelfnote; + +extern void die(char *fmt, ...); +extern void usage(void); +extern void error(char *fmt, ...); +extern uint16_t ipchksum(const void *data, unsigned long length); +extern uint16_t add_ipchksums(unsigned long offset, uint16_t sum, uint16_t new); +extern void *xmalloc(size_t size, const char *name); +extern void *xrealloc(void *ptr, size_t size, const char *name); +extern char *slurp_file(const char *filename, off_t *r_size); +extern char *slurp_decompress_file(const char *filename, off_t *r_size); +extern struct memelfphdr *add_program_headers(struct memelfheader *ehdr, int count); +extern struct memelfnote *add_notes(struct memelfheader *ehdr, int count); + +typedef char *(probe_t)(char *kernel_buf, off_t kernel_size); +typedef int (mkelf_t)(int argc, char **argv, + struct memelfheader *hdr, char *kernel_buf, off_t kernel_size); +typedef void (usage_t)(void); +struct file_type { + const char *name; + probe_t *probe; + mkelf_t *mkelf; + usage_t *usage; +}; + +#if BYTE_ORDER == LITTLE_ENDIAN +#define cpu_to_le16(val) (val) +#define cpu_to_le32(val) (val) +#define cpu_to_le64(val) (val) +#define cpu_to_be16(val) bswap_16(val) +#define cpu_to_be32(val) bswap_32(val) +#define cpu_to_be64(val) bswap_64(val) +#define le16_to_cpu(val) (val) +#define le32_to_cpu(val) (val) +#define le64_to_cpu(val) (val) +#define be16_to_cpu(val) bswap_16(val) +#define be32_to_cpu(val) bswap_32(val) +#define be64_to_cpu(val) bswap_64(val) +#endif +#if BYTE_ORDER == BIG_ENDIAN +#define cpu_to_le16(val) bswap_16(val) +#define cpu_to_le32(val) bswap_32(val) +#define cpu_to_le64(val) bswap_64(val) +#define cpu_to_be16(val) (val) +#define cpu_to_be32(val) (val) +#define cpu_to_be64(val) (val) +#define le16_to_cpu(val) bswap_16(val) +#define le32_to_cpu(val) bswap_32(val) +#define le64_to_cpu(val) bswap_64(val) +#define be16_to_cpu(val) (val) +#define be32_to_cpu(val) (val) +#define be64_to_cpu(val) (val) +#endif + +#define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) + +struct memelfheader { + unsigned ei_class; + unsigned ei_data; + unsigned e_type; + unsigned e_machine; + unsigned e_flags; + unsigned e_phnum; + unsigned e_notenum; + unsigned long e_entry; + struct memelfphdr *e_phdr; + struct memelfnote *e_notes; +}; + +struct memelfphdr { + uint64_t p_vaddr; + uint64_t p_paddr; + uint64_t p_filesz; + uint64_t p_memsz; + void *p_data; + unsigned p_type; + unsigned p_flags; +}; + +struct memelfnote { + unsigned n_type; + char *n_name; + void *n_desc; + unsigned n_descsz; +}; + +#define OPT_HELP 'h' +#define OPT_VERSION 'v' +#define OPT_TYPE 't' +#define OPT_KERNEL 256 +#define OPT_OUTPUT 257 +#define OPT_MAX 258 + +#define MKELF_OPTIONS \ + { "help", 0, 0, OPT_HELP }, \ + { "version", 0, 0, OPT_VERSION }, \ + { "kernel", 1, 0, OPT_KERNEL }, \ + { "output", 1, 0, OPT_OUTPUT }, \ + { "type", 1, 0, OPT_TYPE }, + +#define MKELF_OPT_STR "hvt:" + +extern probe_t vmlinux_i386_probe; +extern probe_t bzImage_i386_probe; +extern probe_t linux_i386_probe; +extern mkelf_t linux_i386_mkelf; +extern usage_t linux_i386_usage; + +extern probe_t linux_ia64_probe; +extern mkelf_t linux_ia64_mkelf; +extern usage_t linux_ia64_usage; + +#endif /* MKELFIMAGE_H */ |