1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef _UAPI_LINUX_BINFMTS_H 3 #define _UAPI_LINUX_BINFMTS_H 4 5 #include <linux/capability.h> 6 7 struct pt_regs; 8 9 /* 10 * These are the maximum length and maximum number of strings passed to the 11 * execve() system call. MAX_ARG_STRLEN is essentially random but serves to 12 * prevent the kernel from being unduly impacted by misaddressed pointers. 13 * MAX_ARG_STRINGS is chosen to fit in a signed 32-bit integer. 14 */ 15 #define MAX_ARG_STRLEN (PAGE_SIZE * 32) 16 #define MAX_ARG_STRINGS 0x7FFFFFFF 17 18 /* sizeof(linux_binprm->buf) */ 19 #define BINPRM_BUF_SIZE 256 20 21 /* preserve argv0 for the interpreter */ 22 #define AT_FLAGS_PRESERVE_ARGV0_BIT 0 23 #define AT_FLAGS_PRESERVE_ARGV0 (1 << AT_FLAGS_PRESERVE_ARGV0_BIT) 24 25 /* 26 * The interpreter runs transparently: the argument vector and the exe 27 * link belong to the binary passed in AT_EXECFD. 28 */ 29 #define AT_FLAGS_TRANSPARENT_INTERP_BIT 1 30 #define AT_FLAGS_TRANSPARENT_INTERP (1 << AT_FLAGS_TRANSPARENT_INTERP_BIT) 31 32 #endif /* _UAPI_LINUX_BINFMTS_H */ 33