124 lines
3.1 KiB
Bash
Executable File
124 lines
3.1 KiB
Bash
Executable File
#!/bin/sh
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#
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# Check if current architecture are missing any function calls compared
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# to i386.
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# i386 define a number of legacy system calls that are i386 specific
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# and listed below so they are ignored.
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#
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# Usage:
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# syscallchk gcc gcc-options
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#
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ignore_list() {
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cat << EOF
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#include <asm/types.h>
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#include <asm/unistd.h>
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/* System calls for 32-bit kernels only */
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#if BITS_PER_LONG == 64
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#define __IGNORE_sendfile64
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#define __IGNORE_ftruncate64
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#define __IGNORE_truncate64
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#define __IGNORE_stat64
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#define __IGNORE_lstat64
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#define __IGNORE_fstat64
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#define __IGNORE_fcntl64
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#define __IGNORE_fadvise64_64
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#define __IGNORE_fstatat64
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#define __IGNORE_fstatfs64
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#define __IGNORE_statfs64
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#endif
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/* i386-specific or historical system calls */
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#define __IGNORE_break
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#define __IGNORE_stty
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#define __IGNORE_gtty
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#define __IGNORE_ftime
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#define __IGNORE_prof
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#define __IGNORE_lock
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#define __IGNORE_mpx
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#define __IGNORE_ulimit
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#define __IGNORE_profil
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#define __IGNORE_ioperm
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#define __IGNORE_iopl
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#define __IGNORE_idle
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#define __IGNORE_modify_ldt
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#define __IGNORE_ugetrlimit
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#define __IGNORE_mmap2
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#define __IGNORE_vm86
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#define __IGNORE_vm86old
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#define __IGNORE_set_thread_area
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#define __IGNORE_get_thread_area
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#define __IGNORE_madvise1
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#define __IGNORE_oldstat
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#define __IGNORE_oldfstat
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#define __IGNORE_oldlstat
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#define __IGNORE_oldolduname
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#define __IGNORE_olduname
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#define __IGNORE_umount2
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#define __IGNORE_umount
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#define __IGNORE_waitpid
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#define __IGNORE_stime
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#define __IGNORE_nice
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#define __IGNORE_signal
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#define __IGNORE_sigaction
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#define __IGNORE_sgetmask
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#define __IGNORE_sigsuspend
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#define __IGNORE_sigpending
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#define __IGNORE_ssetmask
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#define __IGNORE_readdir
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#define __IGNORE_socketcall
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#define __IGNORE_ipc
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#define __IGNORE_sigreturn
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#define __IGNORE_sigprocmask
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#define __IGNORE_bdflush
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#define __IGNORE__llseek
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#define __IGNORE__newselect
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#define __IGNORE_create_module
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#define __IGNORE_delete_module
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#define __IGNORE_query_module
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#define __IGNORE_get_kernel_syms
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/* ... including the "new" 32-bit uid syscalls */
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#define __IGNORE_lchown32
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#define __IGNORE_getuid32
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#define __IGNORE_getgid32
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#define __IGNORE_geteuid32
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#define __IGNORE_getegid32
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#define __IGNORE_setreuid32
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#define __IGNORE_setregid32
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#define __IGNORE_getgroups32
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#define __IGNORE_setgroups32
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#define __IGNORE_fchown32
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#define __IGNORE_setresuid32
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#define __IGNORE_getresuid32
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#define __IGNORE_setresgid32
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#define __IGNORE_getresgid32
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#define __IGNORE_chown32
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#define __IGNORE_setuid32
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#define __IGNORE_setgid32
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#define __IGNORE_setfsuid32
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#define __IGNORE_setfsgid32
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/* sync_file_range had a stupid ABI. Allow sync_file_range2 instead */
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#ifdef __NR_sync_file_range2
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#define __IGNORE_sync_file_range
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#endif
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/* Unmerged syscalls for AFS, STREAMS, etc. */
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#define __IGNORE_afs_syscall
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#define __IGNORE_getpmsg
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#define __IGNORE_putpmsg
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#define __IGNORE_vserver
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EOF
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}
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syscall_list() {
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sed -n -e '/^\#define/ s/[^_]*__NR_\([^[:space:]]*\).*/\
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\#if !defined \(__NR_\1\) \&\& !defined \(__IGNORE_\1\)\
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\#warning syscall \1 not implemented\
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\#endif/p' $1
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}
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(ignore_list && syscall_list ${srctree}/arch/x86/include/asm/unistd_32.h) | \
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$* -E -x c - > /dev/null
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