| # -*- mode:python -*- |
| |
| # Copyright (c) 2004-2005 The Regents of The University of Michigan |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer; |
| # redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution; |
| # neither the name of the copyright holders nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| # |
| # Authors: Nathan Binkert |
| |
| import os, subprocess |
| |
| Import('env') |
| |
| elf_files = [] |
| def ElfFile(filename): |
| elf_files.append(File(filename)) |
| |
| ElfFile('elf.c') |
| ElfFile('elf_begin.c') |
| ElfFile('elf_cntl.c') |
| ElfFile('elf_data.c') |
| ElfFile('elf_end.c') |
| ElfFile('elf_errmsg.c') |
| ElfFile('elf_errno.c') |
| ElfFile('elf_fill.c') |
| ElfFile('elf_flag.c') |
| ElfFile('elf_getarhdr.c') |
| ElfFile('elf_getarsym.c') |
| ElfFile('elf_getbase.c') |
| ElfFile('elf_getident.c') |
| ElfFile('elf_hash.c') |
| ElfFile('elf_kind.c') |
| ElfFile('elf_memory.c') |
| ElfFile('elf_next.c') |
| ElfFile('elf_open.c') |
| ElfFile('elf_phnum.c') |
| ElfFile('elf_rand.c') |
| ElfFile('elf_rawfile.c') |
| ElfFile('elf_scn.c') |
| ElfFile('elf_shnum.c') |
| ElfFile('elf_shstrndx.c') |
| ElfFile('elf_strptr.c') |
| ElfFile('elf_update.c') |
| ElfFile('elf_version.c') |
| ElfFile('gelf_cap.c') |
| ElfFile('gelf_checksum.c') |
| ElfFile('gelf_dyn.c') |
| ElfFile('gelf_ehdr.c') |
| ElfFile('gelf_fsize.c') |
| ElfFile('gelf_getclass.c') |
| ElfFile('gelf_move.c') |
| ElfFile('gelf_phdr.c') |
| ElfFile('gelf_rel.c') |
| ElfFile('gelf_rela.c') |
| ElfFile('gelf_shdr.c') |
| ElfFile('gelf_sym.c') |
| ElfFile('gelf_syminfo.c') |
| ElfFile('gelf_symshndx.c') |
| ElfFile('gelf_xlate.c') |
| ElfFile('libelf.c') |
| ElfFile('libelf_align.c') |
| ElfFile('libelf_allocate.c') |
| ElfFile('libelf_ar.c') |
| ElfFile('libelf_ar_util.c') |
| ElfFile('libelf_checksum.c') |
| ElfFile('libelf_data.c') |
| ElfFile('libelf_ehdr.c') |
| ElfFile('libelf_extended.c') |
| ElfFile('libelf_memory.c') |
| ElfFile('libelf_open.c') |
| ElfFile('libelf_phdr.c') |
| ElfFile('libelf_shdr.c') |
| ElfFile('libelf_xlate.c') |
| |
| ElfFile('libelf_convert.c') |
| ElfFile('libelf_fsize.c') |
| ElfFile('libelf_msize.c') |
| |
| m4env = env.Clone() |
| if m4env['GCC']: |
| m4env.Append(CCFLAGS=['-Wno-pointer-sign', |
| '-Wno-unused-but-set-variable', |
| '-Wno-implicit-function-declaration', |
| '-Wno-override-init']) |
| if m4env['CLANG']: |
| m4env.Append(CCFLAGS=['-Wno-initializer-overrides', '-Wno-pointer-sign']) |
| # clang defaults to c99 (while gcc defaults to gnu89) and there is a |
| # difference in the handling of inlining functions which causes |
| # linking problems with multiple definitions of the symbols in |
| # sysmacros.h for older versions of glibc |
| m4env.Append(CCFLAGS=['-std=gnu89']) |
| m4env.Append(CCFLAGS=['-Wno-implicit', '-Wno-undef']) |
| del m4env['CPPPATH'] |
| |
| # If we have gm4 use it |
| if m4env.Detect('gm4'): |
| m4env['M4'] = 'gm4' |
| |
| # Check that m4 is available |
| import SCons.Tool.m4 |
| if not SCons.Tool.m4.exists(m4env): |
| print("Error: Can't find version of M4 macro processor. " + |
| "Please install M4 and try again.") |
| Exit(1) |
| |
| # Setup m4 tool |
| m4env.Tool('m4') |
| |
| m4env.Append(M4FLAGS=['-DSRCDIR=%s' % Dir('.').srcnode().path]) |
| m4env['M4COM'] = '$M4 $M4FLAGS $SOURCES > $TARGET' |
| m4env.M4(target=File('libelf_convert.c'), |
| source=[File('elf_types.m4').srcnode(), |
| File('libelf_convert.m4').srcnode()]) |
| m4env.M4(target=File('libelf_fsize.c'), |
| source=[File('elf_types.m4').srcnode(), |
| File('libelf_fsize.m4').srcnode()]) |
| m4env.M4(target=File('libelf_msize.c'), |
| source=[File('elf_types.m4').srcnode(), |
| File('libelf_msize.m4').srcnode()]) |
| |
| m4env.Append(CPPPATH=[Dir('.'), Dir('.').srcnode()]) |
| |
| # Build libelf as a static library with PIC code so it can be linked |
| # into either m5 or the library |
| m4env.Library('elf', [m4env.SharedObject(f) for f in elf_files]) |
| |
| # Generate the native-elf-format header file based on the build system |
| m4env.Command(File('native-elf-format.h'), File('native-elf-format'), |
| '${SOURCE} > ${TARGET}') |
| |
| env.Prepend(CPPPATH=Dir('.').srcnode()) |
| env.Append(LIBS=[File('libelf.a')]) |
| env.Prepend(LIBPATH=[Dir('.')]) |
