16f52b16cSGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2607ca46eSDavid Howells #ifndef _UAPI_LINUX_BINFMTS_H 3607ca46eSDavid Howells #define _UAPI_LINUX_BINFMTS_H 4607ca46eSDavid Howells 5607ca46eSDavid Howells #include <linux/capability.h> 6607ca46eSDavid Howells 7607ca46eSDavid Howells struct pt_regs; 8607ca46eSDavid Howells 9607ca46eSDavid Howells /* 10607ca46eSDavid Howells * These are the maximum length and maximum number of strings passed to the 11607ca46eSDavid Howells * execve() system call. MAX_ARG_STRLEN is essentially random but serves to 12607ca46eSDavid Howells * prevent the kernel from being unduly impacted by misaddressed pointers. 13607ca46eSDavid Howells * MAX_ARG_STRINGS is chosen to fit in a signed 32-bit integer. 14607ca46eSDavid Howells */ 15607ca46eSDavid Howells #define MAX_ARG_STRLEN (PAGE_SIZE * 32) 16607ca46eSDavid Howells #define MAX_ARG_STRINGS 0x7FFFFFFF 17607ca46eSDavid Howells 18607ca46eSDavid Howells /* sizeof(linux_binprm->buf) */ 196eb3c3d0SOleg Nesterov #define BINPRM_BUF_SIZE 256 20607ca46eSDavid Howells 21*2347961bSLaurent Vivier /* preserve argv0 for the interpreter */ 22*2347961bSLaurent Vivier #define AT_FLAGS_PRESERVE_ARGV0_BIT 0 23*2347961bSLaurent Vivier #define AT_FLAGS_PRESERVE_ARGV0 (1 << AT_FLAGS_PRESERVE_ARGV0_BIT) 24*2347961bSLaurent Vivier 25607ca46eSDavid Howells #endif /* _UAPI_LINUX_BINFMTS_H */ 26