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       1  /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
       2  #ifndef _LINUX_BINFMTS_H
       3  #define _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  #endif /* _LINUX_BINFMTS_H */