newlib/winsup/cygwin/cygmagic

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* Makefile.in: Autogenerate some header files which provide magic numbers. Force dependencies for files which depend on autogenerated headers to ensure that they are always built. * child_info.h (child_info): Add new fields to accommodate new magic number header stuff. * dcrt0.cc: Rely on "child_info_magic.h" to ensure that correct child_info magic numbers are used. (dll_crt0_1): Temporarily remove _cygwin_testing_magic test. (_dll_crt0): Do more testing on magic numbers from fork_info structure. Call "multiple_cygwin_problem" where appropriate. (multiple_cygwin_problem): Rename from multiple_cygwin_die. Issue a warning or die, as appropriate based on cygwin version/magic number mismatch. * pinfo.cc (pinfo::exit): Don't attempt to dereference `this' if it doesn't exist. This can happen when a fatal error occurs early in process initialization. * shared.cc: Rely on "shared_info_magic.h" to accommodate that new magic number header stuff. (shared_info::initialize): Use new magic number stuff, for shared region. (memory_init): Ditto, for mount table. * shared_info.h: Accomodate new magic number stuff for shared region and mount table. * sigproc.cc: Rely on "child_info_magic.h" to accommodate new magic number header stuff. (init_child_info): Initialize new fields in child_info) to accomodate magic numbers. * winsup.h: Rename multiple_cygwin_die to multiple_cygwin_problem. * include/cygwin/version.h: Define macros for manipulating version magic. * cygmagic: New shell script for generating magic numbers.
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#!/bin/sh
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# cygmagic - Generate "magic numbers" from a structure.
#
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# Copyright 2001, 2002, 2005, 2013 Red Hat, Inc.
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#
# This file is part of Cygwin.
#
# This software is a copyrighted work licensed under the terms of the
# Cygwin license. Please consult the file "CYGWIN_LICENSE" for
# details.
* Makefile.in: Autogenerate some header files which provide magic numbers. Force dependencies for files which depend on autogenerated headers to ensure that they are always built. * child_info.h (child_info): Add new fields to accommodate new magic number header stuff. * dcrt0.cc: Rely on "child_info_magic.h" to ensure that correct child_info magic numbers are used. (dll_crt0_1): Temporarily remove _cygwin_testing_magic test. (_dll_crt0): Do more testing on magic numbers from fork_info structure. Call "multiple_cygwin_problem" where appropriate. (multiple_cygwin_problem): Rename from multiple_cygwin_die. Issue a warning or die, as appropriate based on cygwin version/magic number mismatch. * pinfo.cc (pinfo::exit): Don't attempt to dereference `this' if it doesn't exist. This can happen when a fatal error occurs early in process initialization. * shared.cc: Rely on "shared_info_magic.h" to accommodate that new magic number header stuff. (shared_info::initialize): Use new magic number stuff, for shared region. (memory_init): Ditto, for mount table. * shared_info.h: Accomodate new magic number stuff for shared region and mount table. * sigproc.cc: Rely on "child_info_magic.h" to accommodate new magic number header stuff. (init_child_info): Initialize new fields in child_info) to accomodate magic numbers. * winsup.h: Rename multiple_cygwin_die to multiple_cygwin_problem. * include/cygwin/version.h: Define macros for manipulating version magic. * cygmagic: New shell script for generating magic numbers.
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file_magic=$1; shift
gcc=$1; shift
file=$1; shift
trap "rm -f /tmp/$$.magic" 0 1 2 15
cat <<EOF > $file_magic
/* autogenerated - do not edit */
#include "$file"
EOF
sumit() {
cksum $*
}
* Makefile.in: Autogenerate some header files which provide magic numbers. Force dependencies for files which depend on autogenerated headers to ensure that they are always built. * child_info.h (child_info): Add new fields to accommodate new magic number header stuff. * dcrt0.cc: Rely on "child_info_magic.h" to ensure that correct child_info magic numbers are used. (dll_crt0_1): Temporarily remove _cygwin_testing_magic test. (_dll_crt0): Do more testing on magic numbers from fork_info structure. Call "multiple_cygwin_problem" where appropriate. (multiple_cygwin_problem): Rename from multiple_cygwin_die. Issue a warning or die, as appropriate based on cygwin version/magic number mismatch. * pinfo.cc (pinfo::exit): Don't attempt to dereference `this' if it doesn't exist. This can happen when a fatal error occurs early in process initialization. * shared.cc: Rely on "shared_info_magic.h" to accommodate that new magic number header stuff. (shared_info::initialize): Use new magic number stuff, for shared region. (memory_init): Ditto, for mount table. * shared_info.h: Accomodate new magic number stuff for shared region and mount table. * sigproc.cc: Rely on "child_info_magic.h" to accommodate new magic number header stuff. (init_child_info): Initialize new fields in child_info) to accomodate magic numbers. * winsup.h: Rename multiple_cygwin_die to multiple_cygwin_problem. * include/cygwin/version.h: Define macros for manipulating version magic. * cygmagic: New shell script for generating magic numbers.
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while [ -n "$1" ]; do
define=$1; shift
struct=$1; shift
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sum=`$gcc -D__CYGMAGIC__ -E $file | sed -n "/^$struct/,/^};/p" | sed -e 's/[ ]//g' -e '/^$/d' | sumit | awk '{printf "0x%xU", $1}'`
* Makefile.in: Autogenerate some header files which provide magic numbers. Force dependencies for files which depend on autogenerated headers to ensure that they are always built. * child_info.h (child_info): Add new fields to accommodate new magic number header stuff. * dcrt0.cc: Rely on "child_info_magic.h" to ensure that correct child_info magic numbers are used. (dll_crt0_1): Temporarily remove _cygwin_testing_magic test. (_dll_crt0): Do more testing on magic numbers from fork_info structure. Call "multiple_cygwin_problem" where appropriate. (multiple_cygwin_problem): Rename from multiple_cygwin_die. Issue a warning or die, as appropriate based on cygwin version/magic number mismatch. * pinfo.cc (pinfo::exit): Don't attempt to dereference `this' if it doesn't exist. This can happen when a fatal error occurs early in process initialization. * shared.cc: Rely on "shared_info_magic.h" to accommodate that new magic number header stuff. (shared_info::initialize): Use new magic number stuff, for shared region. (memory_init): Ditto, for mount table. * shared_info.h: Accomodate new magic number stuff for shared region and mount table. * sigproc.cc: Rely on "child_info_magic.h" to accommodate new magic number header stuff. (init_child_info): Initialize new fields in child_info) to accomodate magic numbers. * winsup.h: Rename multiple_cygwin_die to multiple_cygwin_problem. * include/cygwin/version.h: Define macros for manipulating version magic. * cygmagic: New shell script for generating magic numbers.
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echo "#define $define $sum"
curr=`sed -n "s/^#[ ]*define CURR_$define[ ][ ]*\([^ ][^ ]*\)/\1/p" $file`
[ "$curr" != "$sum" ] && echo "*** WARNING WARNING WARNING WARNING WARNING ***
*** $file: magic number for $define changed old $curr != new $sum
* Makefile.in: Autogenerate some header files which provide magic numbers. Force dependencies for files which depend on autogenerated headers to ensure that they are always built. * child_info.h (child_info): Add new fields to accommodate new magic number header stuff. * dcrt0.cc: Rely on "child_info_magic.h" to ensure that correct child_info magic numbers are used. (dll_crt0_1): Temporarily remove _cygwin_testing_magic test. (_dll_crt0): Do more testing on magic numbers from fork_info structure. Call "multiple_cygwin_problem" where appropriate. (multiple_cygwin_problem): Rename from multiple_cygwin_die. Issue a warning or die, as appropriate based on cygwin version/magic number mismatch. * pinfo.cc (pinfo::exit): Don't attempt to dereference `this' if it doesn't exist. This can happen when a fatal error occurs early in process initialization. * shared.cc: Rely on "shared_info_magic.h" to accommodate that new magic number header stuff. (shared_info::initialize): Use new magic number stuff, for shared region. (memory_init): Ditto, for mount table. * shared_info.h: Accomodate new magic number stuff for shared region and mount table. * sigproc.cc: Rely on "child_info_magic.h" to accommodate new magic number header stuff. (init_child_info): Initialize new fields in child_info) to accomodate magic numbers. * winsup.h: Rename multiple_cygwin_die to multiple_cygwin_problem. * include/cygwin/version.h: Define macros for manipulating version magic. * cygmagic: New shell script for generating magic numbers.
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*** WARNING WARNING WARNING WARNING WARNING ***" 1>&2
done >> $file_magic
exit 0