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#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
#include <linux/elf.h>
int
main (int argc, char ** argv)
{
int ifd;
ssize_t n;
char buf[8192];
struct stat st;
struct {
struct elfhdr ehdr;
struct elf_phdr phdr;
} h;
ifd = open(argv[1], O_RDONLY);
if (ifd < 0) {
perror(argv[1]);
return 1;
}
if (fstat(ifd, &st) < 0) {
perror(argv[1]);
return 1;
}
memset(&h, 0, sizeof(h));
h.ehdr.e_ident[0] = 0x7f;
strcpy(h.ehdr.e_ident + 1, "ELF");
h.ehdr.e_ident[EI_CLASS] = ELF_CLASS;
h.ehdr.e_ident[EI_DATA] = ELF_DATA;
h.ehdr.e_ident[EI_VERSION] = EV_CURRENT;
h.ehdr.e_type = ET_EXEC;
h.ehdr.e_machine = ELF_ARCH;
h.ehdr.e_version = EV_CURRENT;
h.ehdr.e_entry = 0xfffffc0000310000;
h.ehdr.e_phnum = 1;
h.ehdr.e_phoff = (char *) &h.phdr - (char *) &h;
h.phdr.p_vaddr = 0xfffffc0000310000;
h.phdr.p_offset = sizeof(h);
h.phdr.p_filesz = st.st_size;
h.phdr.p_memsz = h.phdr.p_filesz;
write(1, &h, sizeof(h));
while ((n = read(ifd, buf, sizeof(buf))) > 0) {
if (write(1, buf, n) != n) {
perror("short write");
return 1;
}
}
return 0;
}
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