diff options
Diffstat (limited to 'sysdeps/mach/hurd/errnos.awk')
| -rw-r--r-- | sysdeps/mach/hurd/errnos.awk | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/errnos.awk b/sysdeps/mach/hurd/errnos.awk new file mode 100644 index 0000000000..a6b251f211 --- /dev/null +++ b/sysdeps/mach/hurd/errnos.awk @@ -0,0 +1,157 @@ +# Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc. +# This file is part of the GNU C Library. + +# The GNU C Library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Library General Public License +# as published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. + +# The GNU C Library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Library General Public License for more details. + +# You should have received a copy of the GNU Library General Public +# License along with the GNU C Library; see the file COPYING.LIB. If +# not, write to the Free Software Foundation, Inc., 675 Mass Ave, +# Cambridge, MA 02139, USA. + +# errno.texinfo contains lines like: +# @comment errno.h +# @comment POSIX.1: Function not implemented +# @deftypevr Macro int ENOSYS + +BEGIN { + printf "/* This file generated by"; + for (i = 0; i < ARGC; ++i) + printf " %s", ARGV[i]; + printf ". */\n"; + print ""; + print "/* The Hurd uses Mach error system 0x10, currently only subsystem 0. */"; + print "#ifndef _HURD_ERRNO"; + print "#define _HURD_ERRNO(n)\t((0x10 << 26) | ((n) & 0x3fff))"; + print "#endif"; + print ""; + print "#ifdef _ERRNO_H\n"; + print "enum __error_t_codes\n{"; + errnoh = 0; + maxerrno = 0; + in_mach_errors = 0; + in_math = 0; + edom = erange = ""; + print "#undef EDOM\n#undef ERANGE"; + } + +$1 == "@comment" && $2 == "errno.h" { errnoh=1; next } +$1 == "@comment" && errnoh == 1 \ + { + ++errnoh; + etext = ""; + for (i = 3; i <= NF; ++i) + etext = etext " " $i; + next; + } + +errnoh == 2 && $1 == "@deftypevr" && $2 == "Macro" && $3 == "int" \ + { ++errnoh; e = $4; next; } + +errnoh == 3 && $1 == "@comment" && $2 == "errno" { + errno = $3 + 0; + if (errno > maxerrno) maxerrno = errno; + if (e == "EWOULDBLOCK") + { + print "#define EWOULDBLOCK EAGAIN /* Operation would block */"; + next; + } + x = sprintf ("%-40s/*%s */", sprintf ("%-24s%s", "#define\t" e, + "_HURD_ERRNO (" errno ")"), + etext); + if (e == "EDOM") + edom = x; + else if (e == "ERANGE") + erange = x; + printf "\t%-16s= _HURD_ERRNO (%d),\n", e, errno; + print x; + next; + } +{ errnoh=0 } + +NF == 3 && $1 == "#define" && $2 == "MACH_SEND_IN_PROGRESS" \ + { + in_mach_errors = 1; + print "\n\t/* Errors from <mach/message.h>. */"; + } +NF == 3 && $1 == "#define" && $2 == "KERN_SUCCESS" \ + { + in_mach_errors = 1; + print "\n\t/* Errors from <mach/kern_return.h>. */"; + next; + } + +in_mach_errors && $2 == "MACH_IPC_COMPAT" \ + { + in_mach_errors = 0; + } + +in_mach_errors == 1 && NF == 3 && $1 == "#define" \ + { + printf "\t%-32s= %s,\n", "E" $2, $3; + } + +$1 == "#define" && $2 == "_MACH_MIG_ERRORS_H_" \ + { + in_mig_errors = 1; + print "\n\t/* Errors from <mach/mig_errors.h>. */"; + next; + } +in_mig_errors && $1 == "#endif" && $3 == "_MACH_MIG_ERRORS_H_" \ + { + in_mig_errors = 0; + } + +(in_mig_errors && $1 == "#define" && $3 <= -300) || \ +(in_device_errors && $1 == "#define") \ + { + printf "%-32s", sprintf ("\t%-24s= %s,", "E" $2, $3); + for (i = 4; i <= NF; ++i) + printf " %s", $i; + printf "\n"; + } + +$1 == "#define" && $2 == "D_SUCCESS" \ + { + in_device_errors = 1; + print "\n\t/* Errors from <device/device_types.h>. */"; + next; + } +in_device_errors && $1 == "#endif" \ + { + in_device_errors = 0; + } + + +END \ + { + print ""; + print "};"; + print ""; + printf "#define\t_HURD_ERRNOS\t%d\n", maxerrno+1; + print ""; + print "\ +/* User-visible type of error codes. It is ok to use `int' or\n\ + `kern_return_t' for these, but with `error_t' the debugger prints\n\ + symbolic values. */"; + print "#ifdef __USE_GNU"; + print "typedef enum __error_t_codes error_t;" + print "#endif"; + print ""; + print "/* errno is a per-thread variable. */"; + print "#include <hurd/threadvar.h>"; + print "#define errno (*__hurd_errno_location ())"; + print ""; + print "#endif /* <errno.h> included. */"; + print ""; + print "#if !defined (_ERRNO_H) && defined (__need_Emath)"; + print edom; print erange; + print "#endif /* <errno.h> not included and need math error codes. */"; + } |