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Diff for /src/sys/compat/osf1/Attic/README.mach-traps between version 1.2 and 1.2.20.1

version 1.2, 1999/03/23 09:19:25 version 1.2.20.1, 2001/06/21 20:00:13
Line 9  with an "unimplemented system call" trap
Line 9  with an "unimplemented system call" trap
 that has a negative number.  In general, binaries that use the Mach  that has a negative number.  In general, binaries that use the Mach
 syscalls appear to invoke task_self() as their first syscall.  syscalls appear to invoke task_self() as their first syscall.
   
   Note that system call numbers are now range-bounded by masking off the
   high bits, so negative system call numbers will appear in the high
   end of the system call number range, thanks to the wonders of two's
   compliment arithmetic. System call -10, for example, will appear as
   "CALL  [502]" in kdump output.
   
 The name, number, and number of arguments for each Mach syscall is  The name, number, and number of arguments for each Mach syscall is
 given below; this information was gleaned by looking through the OSF/1  given below; this information was gleaned by looking through the OSF/1
 libmach.a's object files with dbx, then double-checked against the  libmach.a's object files with dbx, then double-checked against the
Legend:
Removed from v.1.2  
changed lines
  Added in v.1.2.20.1
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