Add to git.

1 files changed, 280 insertions, 0 deletions

diff --git a/wscript b/wscript
new file mode 100644
index 0000000..f87e69e
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+++ b/wscript
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+#
+# RTEMS Linker build script.
+#
+import sys
+
+version_major = 1
+version_minor = 0
+version_revision = 0
+
+#
+# Waf system setup. Allow more than one build in the same tree.
+#
+top = '.'
+out = 'build-' + sys.platform
+
+def options(opt):
+    opt.load("g++")
+    opt.load("gcc")
+    opt.add_option('--rtems-version',
+                   default = '4.11',
+                   dest='rtems_version',
+                   help = 'Set the RTEMS version')
+    opt.add_option('--show-commands',
+                   action = 'store_true',
+                   default = False,
+                   dest = 'show_commands',
+                   help = 'Print the commands as strings.')
+
+def configure(conf):
+    conf.check_tool("g++")
+    conf.check_tool("gcc")
+    conf_libiberty(conf)
+    conf_libelf(conf)
+
+    conf.check(header_name='sys/wait.h',  features = 'c', mandatory = False)
+    conf.check_cc(function_name='kill', header_name="signal.h",
+                  features = 'c', mandatory = False)
+    conf.write_config_header('config.h')
+
+    conf.env.RTEMS_VERSION = conf.options.rtems_version
+
+    if conf.options.show_commands:
+        show_commands = 'yes'
+    else:
+        show_commands = 'no'
+    conf.env.SHOW_COMMANDS = show_commands
+
+def build(bld):
+    if bld.env.SHOW_COMMANDS == 'yes':
+        output_command_line()
+
+    #
+    # The include paths.
+    #
+    bld.includes = ['elftoolchain/libelf', 'elftoolchain/common', 'libiberty']
+    if sys.platform == 'win32':
+        bld.includes += ['win32']
+
+    #
+    # Build flags.
+    #
+    bld.warningflags = ['-Wall', '-Wextra', '-pedantic']
+    bld.optflags = ['-O2']
+    bld.cflags = ['-pipe', '-g'] + bld.optflags
+    bld.cxxflags = ['-pipe', '-g'] + bld.optflags
+    bld.linkflags = ['-g']
+
+    #
+    # Create each of the modules as object files each with their own
+    # configurations.
+    # 
+    libelf = bld_libelf(bld)
+    libiberty = bld_libiberty(bld)
+
+    #
+    # The list of modules.
+    #
+    modules = ['elf', 'iberty']
+
+    #
+    # Build the linker.
+    #
+    bld.program(target = 'rtems-ld',
+                source = ['main.cpp',
+                          'pkgconfig.cpp',
+                          'rld-elf.cpp',
+                          'rld-files.cpp',
+                          'rld-gcc.cpp',
+                          'rld-outputter.cpp',
+                          'rld-process.cpp',
+                          'rld-resolver.cpp',
+                          'rld-symbols.cpp',
+                          'rld.cpp'],
+                defines = ['HAVE_CONFIG_H=1', 'RTEMS_VERSION=' + bld.env.RTEMS_VERSION],
+                includes = ['.'] + bld.includes,
+                cflags = bld.cflags + bld.warningflags,
+                cxxflags = bld.cxxflags + bld.warningflags,
+                linkflags = bld.linkflags,
+                use = modules)
+
+#
+# Libelf module.
+#
+def conf_libelf(conf):
+    pass
+
+def bld_libelf(bld):
+    libelf = 'elftoolchain/libelf/'
+
+    #
+    # Work around the ${SRC} having Windows slashes which the MSYS m4 does not
+    # understand.
+    #
+    if sys.platform == 'win32':
+        m4_rule = 'type ${SRC} | m4 -D SRCDIR=../' + libelf[:-1] + '> ${TGT}"'
+        includes = ['win32']
+    else:
+        m4_rule = 'm4 -D SRCDIR=../' + libelf[:-1] + ' ${SRC} > ${TGT}'
+        includes = []
+
+    bld(target = 'libelf_convert.c', source = libelf + 'libelf_convert.m4', rule = m4_rule)
+    bld(target = 'libelf_fsize.c',   source = libelf + 'libelf_fsize.m4',   rule = m4_rule)
+    bld(target = 'libelf_msize.c',   source = libelf + 'libelf_msize.m4',   rule = m4_rule)
+
+    host_source = []
+
+    if sys.platform == 'linux2':
+        common = 'elftoolchain/common/'
+        bld(target = common + 'native-elf-format.h',
+            source = common + 'native-elf-format',
+            name = 'native-elf-format',
+            rule   = './${SRC} > ${TGT}')
+    elif sys.platform == 'win32':
+        host_source += [libelf + 'mmap_win32.c']
+    
+    bld.stlib(target = 'elf',
+              features = 'c',
+              uses = ['native-elf-format'],
+              includes = [bld.bldnode.abspath(), 'elftoolchain/libelf', 'elftoolchain/common'] + includes,
+              cflags = bld.cflags,
+              source =[libelf + 'elf.c',
+                       libelf + 'elf_begin.c',
+                       libelf + 'elf_cntl.c',
+                       libelf + 'elf_end.c',
+                       libelf + 'elf_errmsg.c',
+                       libelf + 'elf_errno.c',
+                       libelf + 'elf_data.c',
+                       libelf + 'elf_fill.c',
+                       libelf + 'elf_flag.c',
+                       libelf + 'elf_getarhdr.c',
+                       libelf + 'elf_getarsym.c',
+                       libelf + 'elf_getbase.c',
+                       libelf + 'elf_getident.c',
+                       libelf + 'elf_hash.c',
+                       libelf + 'elf_kind.c',
+                       libelf + 'elf_memory.c',
+                       libelf + 'elf_next.c',
+                       libelf + 'elf_rand.c',
+                       libelf + 'elf_rawfile.c',
+                       libelf + 'elf_phnum.c',
+                       libelf + 'elf_shnum.c',
+                       libelf + 'elf_shstrndx.c',
+                       libelf + 'elf_scn.c',
+                       libelf + 'elf_strptr.c',
+                       libelf + 'elf_update.c',
+                       libelf + 'elf_version.c',
+                       libelf + 'gelf_cap.c',
+                       libelf + 'gelf_checksum.c',
+                       libelf + 'gelf_dyn.c',
+                       libelf + 'gelf_ehdr.c',
+                       libelf + 'gelf_getclass.c',
+                       libelf + 'gelf_fsize.c',
+                       libelf + 'gelf_move.c',
+                       libelf + 'gelf_phdr.c',
+                       libelf + 'gelf_rel.c',
+                       libelf + 'gelf_rela.c',
+                       libelf + 'gelf_shdr.c',
+                       libelf + 'gelf_sym.c',
+                       libelf + 'gelf_syminfo.c',
+                       libelf + 'gelf_symshndx.c',
+                       libelf + 'gelf_xlate.c',
+                       libelf + 'libelf_align.c',
+                       libelf + 'libelf_allocate.c',
+                       libelf + 'libelf_ar.c',
+                       libelf + 'libelf_ar_util.c',
+                       libelf + 'libelf_checksum.c',
+                       libelf + 'libelf_data.c',
+                       libelf + 'libelf_ehdr.c',
+                       libelf + 'libelf_extended.c',
+                       libelf + 'libelf_phdr.c',
+                       libelf + 'libelf_shdr.c',
+                       libelf + 'libelf_xlate.c',
+                       'libelf_convert.c',
+                       'libelf_fsize.c',
+                       'libelf_msize.c'] + host_source)
+
+#
+# Libiberty module.
+#
+def conf_libiberty(conf):
+    conf.check(header_name='alloca.h',    features = 'c', mandatory = False)
+    conf.check(header_name='fcntl.h',     features = 'c', mandatory = False)
+    conf.check(header_name='process.h',   features = 'c', mandatory = False)
+    conf.check(header_name='stdlib.h',    features = 'c')
+    conf.check(header_name='string.h',    features = 'c')
+    conf.check(header_name='strings.h',   features = 'c', mandatory = False)
+    conf.check(header_name='sys/file.h',  features = 'c', mandatory = False)
+    conf.check(header_name='sys/stat.h',  features = 'c', mandatory = False)
+    conf.check(header_name='sys/time.h',  features = 'c', mandatory = False)
+    conf.check(header_name='sys/types.h', features = 'c', mandatory = False)
+    conf.check(header_name='sys/wait.h',  features = 'c', mandatory = False)
+    conf.check(header_name='unistd.h',    features = 'c', mandatory = False)
+    conf.check(header_name='vfork.h',     features = 'c', mandatory = False)
+
+    conf.check_cc(function_name='getrusage', 
+                  header_name="sys/time.h sys/resource.h",
+                  features = 'c', mandatory = False)
+
+    conf.write_config_header('libiberty/config.h')
+
+def bld_libiberty(bld):
+    if sys.platform == 'win32':
+        pex_host = 'libiberty/pex-win32.c'
+    else:
+        pex_host = 'libiberty/pex-unix.c'
+    bld.stlib(target = 'iberty',
+              features = 'c',
+              includes = ['libiberty'],
+              cflags = bld.cflags,
+              defines = ['HAVE_CONFIG_H=1'],
+              source =['libiberty/concat.c',
+                       'libiberty/cplus-dem.c',
+                       'libiberty/cp-demangle.c',
+                       'libiberty/make-temp-file.c',
+                       'libiberty/mkstemps.c',
+                       'libiberty/safe-ctype.c',
+                       'libiberty/stpcpy.c',
+                       'libiberty/pex-common.c',
+                       'libiberty/pex-one.c',
+                       pex_host])
+
+#
+# From the demos. Use this to get the command to cut+paste to play.
+#
+def output_command_line():
+    # first, display strings, people like them
+    from waflib import Utils, Logs
+    from waflib.Context import Context
+    def exec_command(self, cmd, **kw):
+        subprocess = Utils.subprocess
+        kw['shell'] = isinstance(cmd, str)
+        if isinstance(cmd, str):
+            Logs.info('%s' % cmd)
+        else:
+            Logs.info('%s' % ' '.join(cmd)) # here is the change
+        Logs.debug('runner_env: kw=%s' % kw)
+        try:
+            if self.logger:
+                self.logger.info(cmd)
+                kw['stdout'] = kw['stderr'] = subprocess.PIPE
+                p = subprocess.Popen(cmd, **kw)
+                (out, err) = p.communicate()
+                if out:
+                    self.logger.debug('out: %s' % out.decode(sys.stdout.encoding or 'iso8859-1'))
+                if err:
+                    self.logger.error('err: %s' % err.decode(sys.stdout.encoding or 'iso8859-1'))
+                return p.returncode
+            else:
+                p = subprocess.Popen(cmd, **kw)
+                return p.wait()
+        except OSError:
+            return -1
+    Context.exec_command = exec_command
+
+    # Change the outputs for tasks too
+    from waflib.Task import Task
+    def display(self):
+        return '' # no output on empty strings
+
+    Task.__str__ = display