The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/compat/freebsd32/syscalls.conf

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    1 # $FreeBSD$
    2 sysnames="freebsd32_syscalls.c"
    3 sysproto="freebsd32_proto.h"
    4 sysproto_h=_FREEBSD32_SYSPROTO_H_
    5 syshdr="freebsd32_syscall.h"
    6 syssw="freebsd32_sysent.c"
    7 sysmk="/dev/null"
    8 syscallprefix="FREEBSD32_SYS_"
    9 switchname="freebsd32_sysent"
   10 namesname="freebsd32_syscallnames"
   11 systrace="freebsd32_systrace_args.c"
   12 abi_flags="long_size|pointer_size|time_t_size|pair_64bit"
   13 abi_func_prefix="freebsd32_"
   14 abi_type_suffix="32"
   15 abi_long="int32_t"
   16 abi_u_long="uint32_t"
   17 abi_semid_t="int32_t"
   18 abi_size_t="uint32_t"
   19 abi_ptr_array_t="uint32_t"
   20 abi_headers="#include <compat/freebsd32/freebsd32_proto.h>"
   21 
   22 #
   23 # Variables below this line are exceptions to the ABI changes programatically
   24 # detected by makesyscalls.lua.  New system calls should not require an entry
   25 # here in nearly virtually all cases.  New entries are almost certainly
   26 # representative of badly designed interfaces.
   27 #
   28 
   29 # System calls that require freebsd32-specific handling:
   30 # fcntl - need to sign extend arg unless it's a pointer
   31 # ksem_init, ksem_open - XXX not required
   32 # mprotect - i386 read-implies-exec
   33 # msgsys, semsys, shmsys - some sub-syscalls require compat
   34 # sigqueue - union sival requires special handing on big-endian
   35 # sigreturn - struct osigcontext
   36 # sysarch - always MD
   37 # _umtx_lock _umtx_unlock _umtx_op - arguments require special handling
   38 syscall_abi_change="fcntl ksem_init ksem_open mprotect msgsys semsys shmsys sigqueue sigreturn sysarch _umtx_lock _umtx_unlock _umtx_op"
   39 
   40 # System calls that appear to require handling, but don't:
   41 # aio_cancel - the aiocb pointer is just a virtual address
   42 # thr_* - the lack of sign extension of long args is OK
   43 # sctp_generic_* - iovec differences handled internally
   44 syscall_no_abi_change="aio_cancel thr_exit thr_kill thr_kill2 thr_self thr_set_name thr_wake sctp_generic_sendmsg_iov sctp_generic_recvmsg"
   45 
   46 # OBSOL syscalls
   47 # getkerninfo - obsolete and can't be implemented (kernel virtual addresses can't fit in 32-bits)
   48 obsol="getkerninfo"
   49 
   50 # Syscalls without implementations:
   51 # *mac_* - should be implemented
   52 # afs3_syscall - requires significant porting, probably doesn't make sense
   53 # kldsym - can't be implemented (kernel virtual addresses can't fit in 32-bits)
   54 # lgetfh - should be implemented
   55 # nlm_syscall - requires significant porting, probably doesn't make sense
   56 # nnpfs_syscall - requires significant porting, probably doesn't make sense
   57 # ntp_gettime - should be implemented
   58 # thr_create - was unimplemented and appears to be unnecessicary
   59 unimpl="afs3_syscall kldsym __mac_get_proc __mac_set_proc __mac_get_fd __mac_get_file __mac_set_fd __mac_set_file __mac_get_pid __mac_get_link __mac_set_link __mac_execve mac_syscall nfssvc nlm_syscall ntp_gettime lgetfh nnpfs_syscall thr_create"

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