int loader_exec(const char * filename, char ** argv, char ** envp, struct target_pt_regs * regs, struct image_info *infop, struct linux_binprm *bprm) { int retval; int i; bprm->p = TARGET_PAGE_SIZE*MAX_ARG_PAGES-sizeof(unsigned int); memset(bprm->page, 0, sizeof(bprm->page)); retval = open(filename, O_RDONLY); if (retval < 0) return retval; bprm->fd = retval; bprm->filename = (char *)filename; bprm->argc = count(argv); bprm->argv = argv; bprm->envc = count(envp); bprm->envp = envp; retval = prepare_binprm(bprm); if(retval>=0) { if (bprm->buf[0] == 0x7f && bprm->buf[1] == 'E' && bprm->buf[2] == 'L' && bprm->buf[3] == 'F') { retval = load_elf_binary(bprm, regs, infop); #if defined(TARGET_HAS_BFLT) } else if (bprm->buf[0] == 'b' && bprm->buf[1] == 'F' && bprm->buf[2] == 'L' && bprm->buf[3] == 'T') { retval = load_flt_binary(bprm,regs,infop); #endif } else { fprintf(stderr, "Unknown binary format\n"); return -1; } } if(retval>=0) { /* success. Initialize important registers */ do_init_thread(regs, infop); return retval; } /* Something went wrong, return the inode and free the argument pages*/ for (i=0 ; i<MAX_ARG_PAGES ; i++) { free(bprm->page[i]); } return(retval); }