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#!/bin/sh
# Copyright (C) 2013-2025 Free Software Foundation, Inc.
#
# This file is part of GDB.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Generate the init.c source file.
#
# Usage:
#
# ./make-init-c source-files > init.c-tmp
#
# Where SOURCE-FILES is the list of source files to extract init functions from.
#
# An initialization function is introduced using the "INIT_GDB_FILE"
# macro. In ordinary code this expands to a function declaration (to
# avoid a warning) and then the start of a definition. In the
# generated init.c, though, it is expanded differently. For example:
#
# INIT_GDB_FILE (foo)
# {
# ...
# }
#
# Abort on command error.
set -e
echo "/* Do not modify this file. */"
echo "/* It is created automatically by the Makefile. */"
echo "#include <algorithm>"
echo ""
echo "#undef INIT_GDB_FILE"
echo "#define INIT_GDB_FILE(NAME) extern void _initialize_ ## NAME ();"
grep -h '^[ ]*INIT_GDB_FILE\b' "$@"
echo ""
echo "void initialize_all_files ();"
echo "void"
echo "initialize_all_files ()"
echo "{"
echo " typedef void initialize_file_ftype (void);"
echo ""
echo " std::vector<initialize_file_ftype *> functions ="
echo " {"
echo "#undef INIT_GDB_FILE"
echo "#define INIT_GDB_FILE(NAME) _initialize_ ## NAME,"
grep -h '^[ ]*INIT_GDB_FILE\b' "$@"
echo " };"
echo ""
echo " /* If GDB_REVERSE_INIT_FUNCTIONS is set (any value), reverse the"
echo " order in which initialization functions are called. This is"
echo " used by the testsuite. */"
echo " if (getenv (\"GDB_REVERSE_INIT_FUNCTIONS\") != nullptr)"
echo " std::reverse (functions.begin (), functions.end ());"
echo ""
echo " for (initialize_file_ftype *function : functions)"
echo " function ();"
echo "}"
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