elfboot: initial version

elfboot/test_main.c

@@ -0,0 +1,41 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+
+unsigned long elfboot_main(unsigned char *image);
+
+int main(int argc, char **argv)
+{
+	int fd;
+	struct stat st;
+	void *p;
+
+	if (argc < 2) {
+		fprintf(stderr, "Usage : %s (elf)\n", argv[0]);
+		return 1;
+	}
+	fd = open(argv[1], O_RDONLY);
+	if (fd < 0){ 
+		perror("open");
+		return 1;
+	}
+
+	fstat(fd, &st);
+	
+	p = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
+	if (p == MAP_FAILED) {
+		perror("mmap");
+		return 2;
+	}
+
+	printf("read result : %lx\n", elfboot_main(p));
+
+	munmap(p, st.st_size);
+	close(fd);
+
+	return 0;
+}