scripts/checksyscalls.sh

   1 #!/bin/sh
   2 #
   3 # Check if current architecture are missing any function calls compared
   4 # to i386.
   5 # i386 define a number of legacy system calls that are i386 specific
   6 # and listed below so they are ignored.
   7 #
   8 # Usage:
   9 # syscallchk gcc gcc-options
  10 #
  11
  12 ignore_list() {
  13 cat << EOF
  14 #include <asm/types.h>
  15 #include <asm/unistd.h>
  16
  17 /* System calls for 32-bit kernels only */
  18 #if BITS_PER_LONG == 64
  19 #define __IGNORE_sendfile64
  20 #define __IGNORE_ftruncate64
  21 #define __IGNORE_truncate64
  22 #define __IGNORE_stat64
  23 #define __IGNORE_lstat64
  24 #define __IGNORE_fstat64
  25 #define __IGNORE_fcntl64
  26 #define __IGNORE_fadvise64_64
  27 #define __IGNORE_fstatat64
  28 #define __IGNORE_fstatfs64
  29 #define __IGNORE_statfs64
  30 #endif
  31
  32 /* i386-specific or historical system calls */
  33 #define __IGNORE_break
  34 #define __IGNORE_stty
  35 #define __IGNORE_gtty
  36 #define __IGNORE_ftime
  37 #define __IGNORE_prof
  38 #define __IGNORE_lock
  39 #define __IGNORE_mpx
  40 #define __IGNORE_ulimit
  41 #define __IGNORE_profil
  42 #define __IGNORE_ioperm
  43 #define __IGNORE_iopl
  44 #define __IGNORE_idle
  45 #define __IGNORE_modify_ldt
  46 #define __IGNORE_ugetrlimit
  47 #define __IGNORE_mmap2
  48 #define __IGNORE_vm86
  49 #define __IGNORE_vm86old
  50 #define __IGNORE_set_thread_area
  51 #define __IGNORE_get_thread_area
  52 #define __IGNORE_madvise1
  53 #define __IGNORE_oldstat
  54 #define __IGNORE_oldfstat
  55 #define __IGNORE_oldlstat
  56 #define __IGNORE_oldolduname
  57 #define __IGNORE_olduname
  58 #define __IGNORE_umount2
  59 #define __IGNORE_umount
  60 #define __IGNORE_waitpid
  61 #define __IGNORE_stime
  62 #define __IGNORE_nice
  63 #define __IGNORE_signal
  64 #define __IGNORE_sigaction
  65 #define __IGNORE_sgetmask
  66 #define __IGNORE_sigsuspend
  67 #define __IGNORE_sigpending
  68 #define __IGNORE_ssetmask
  69 #define __IGNORE_readdir
  70 #define __IGNORE_socketcall
  71 #define __IGNORE_ipc
  72 #define __IGNORE_sigreturn
  73 #define __IGNORE_sigprocmask
  74 #define __IGNORE_bdflush
  75 #define __IGNORE__llseek
  76 #define __IGNORE__newselect
  77 #define __IGNORE_create_module
  78 #define __IGNORE_delete_module
  79 #define __IGNORE_query_module
  80 #define __IGNORE_get_kernel_syms
  81 /* ... including the "new" 32-bit uid syscalls */
  82 #define __IGNORE_lchown32
  83 #define __IGNORE_getuid32
  84 #define __IGNORE_getgid32
  85 #define __IGNORE_geteuid32
  86 #define __IGNORE_getegid32
  87 #define __IGNORE_setreuid32
  88 #define __IGNORE_setregid32
  89 #define __IGNORE_getgroups32
  90 #define __IGNORE_setgroups32
  91 #define __IGNORE_fchown32
  92 #define __IGNORE_setresuid32
  93 #define __IGNORE_getresuid32
  94 #define __IGNORE_setresgid32
  95 #define __IGNORE_getresgid32
  96 #define __IGNORE_chown32
  97 #define __IGNORE_setuid32
  98 #define __IGNORE_setgid32
  99 #define __IGNORE_setfsuid32
 100 #define __IGNORE_setfsgid32
 101
 102 /* sync_file_range had a stupid ABI. Allow sync_file_range2 instead */
 103 #ifdef __NR_sync_file_range2
 104 #define __IGNORE_sync_file_range
 105 #endif
 106
 107 /* Unmerged syscalls for AFS, STREAMS, etc. */
 108 #define __IGNORE_afs_syscall
 109 #define __IGNORE_getpmsg
 110 #define __IGNORE_putpmsg
 111 #define __IGNORE_vserver
 112 EOF
 113 }
 114
 115 syscall_list() {
 116 sed -n -e '/^\#define/ { s/[^_]*__NR_\([^[:space:]]*\).*/\
 117 \#if !defined \(__NR_\1\) \&\& !defined \(__IGNORE_\1\)\
 118 \#warning syscall \1 not implemented\
 119 \#endif/p }' $1
 120 }
 121
 122 (ignore_list && syscall_list ${srctree}/include/asm-x86/unistd_32.h) | \
 123 $* -E -x c - > /dev/null