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8171008: Integrate AOT compiler into JDK
Reviewed-by: erikj, mchung, twisti, simonis
This commit is contained in:
Vladimir Kozlov
parent
1a40cebca3
commit
2c220df590
11 changed files with 792 additions and 151 deletions
129
common/autoconf/lib-elf.m4
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129
common/autoconf/lib-elf.m4
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#
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# Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation. Oracle designates this
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# particular file as subject to the "Classpath" exception as provided
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# by Oracle in the LICENSE file that accompanied this code.
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#
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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#
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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# or visit www.oracle.com if you need additional information or have any
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# questions.
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#
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################################################################################
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# Setup libelf (ELF library)
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################################################################################
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AC_DEFUN_ONCE([LIB_SETUP_LIBELF],
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[
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AC_ARG_WITH(libelf, [AS_HELP_STRING([--with-libelf],
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[specify prefix directory for the libelf package
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(expecting the libraries under PATH/lib and the headers under PATH/include)])])
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AC_ARG_WITH(libelf-include, [AS_HELP_STRING([--with-libelf-include],
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[specify directory for the libelf include files])])
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AC_ARG_WITH(libelf-lib, [AS_HELP_STRING([--with-libelf-lib],
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[specify directory for the libelf library])])
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if test "x$ENABLE_AOT" = xfalse; then
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if (test "x${with_libelf}" != x && test "x${with_libelf}" != xno) || \
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(test "x${with_libelf_include}" != x && test "x${with_libelf_include}" != xno) || \
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(test "x${with_libelf_lib}" != x && test "x${with_libelf_lib}" != xno); then
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AC_MSG_WARN([[libelf is not used, so --with-libelf[-*] is ignored]])
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fi
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LIBELF_CFLAGS=
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LIBELF_LIBS=
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else
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LIBELF_FOUND=no
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if test "x${with_libelf}" = xno || test "x${with_libelf_include}" = xno || test "x${with_libelf_lib}" = xno; then
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ENABLE_AOT="false"
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if test "x${enable_aot}" = xyes; then
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AC_MSG_ERROR([libelf is explicitly disabled, cannot build AOT. Enable libelf or remove --enable-aot to disable AOT.])
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fi
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else
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if test "x${with_libelf}" != x; then
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ELF_LIBS="-L${with_libelf}/lib -lelf"
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ELF_CFLAGS="-I${with_libelf}/include"
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LIBELF_FOUND=yes
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fi
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if test "x${with_libelf_include}" != x; then
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ELF_CFLAGS="-I${with_libelf_include}"
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LIBELF_FOUND=yes
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fi
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if test "x${with_libelf_lib}" != x; then
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ELF_LIBS="-L${with_libelf_lib} -lelf"
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LIBELF_FOUND=yes
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fi
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# Do not try pkg-config if we have a sysroot set.
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if test "x$SYSROOT" = x; then
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if test "x$LIBELF_FOUND" = xno; then
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# Figure out ELF_CFLAGS and ELF_LIBS
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PKG_CHECK_MODULES([ELF], [libelf], [LIBELF_FOUND=yes], [LIBELF_FOUND=no])
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fi
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fi
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if test "x$LIBELF_FOUND" = xno; then
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AC_CHECK_HEADERS([libelf.h],
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[
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LIBELF_FOUND=yes
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ELF_CFLAGS=
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ELF_LIBS=-lelf
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],
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[LIBELF_FOUND=no]
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)
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fi
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if test "x$LIBELF_FOUND" = xno; then
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ENABLE_AOT="false"
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HELP_MSG_MISSING_DEPENDENCY([elf])
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if test "x${enable_aot}" = xyes; then
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AC_MSG_ERROR([libelf not found, cannot build AOT. Remove --enable-aot to disable AOT or: $HELP_MSG])
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else
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AC_MSG_WARN([libelf not found, cannot build AOT. $HELP_MSG])
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fi
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else
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AC_MSG_CHECKING([if libelf works])
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AC_LANG_PUSH(C)
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OLD_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $ELF_CFLAGS"
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OLD_LIBS="$LIBS"
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LIBS="$LIBS $ELF_LIBS"
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AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <libelf.h>],
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[
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elf_version(0);
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return 0;
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])],
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[LIBELF_WORKS=yes],
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[LIBELF_WORKS=no]
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)
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CFLAGS="$OLD_CFLAGS"
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LIBS="$OLD_LIBS"
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AC_LANG_POP(C)
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AC_MSG_RESULT([$LIBELF_WORKS])
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if test "x$LIBELF_WORKS" = xno; then
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ENABLE_AOT="false"
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HELP_MSG_MISSING_DEPENDENCY([elf])
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if test "x$enable_aot" = "xyes"; then
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AC_MSG_ERROR([Found libelf but could not link and compile with it. Remove --enable-aot to disable AOT or: $HELP_MSG])
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else
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AC_MSG_WARN([Found libelf but could not link and compile with it. $HELP_MSG])
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fi
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fi
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fi
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fi
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fi
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AC_SUBST(ELF_CFLAGS)
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AC_SUBST(ELF_LIBS)
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])
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