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-rw-r--r--sysdeps/mach/hurd/errnos.awk157
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diff --git a/sysdeps/mach/hurd/errnos.awk b/sysdeps/mach/hurd/errnos.awk
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+++ 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. */";
+ }