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author | Patrick Williams <patrick@stwcx.xyz> | 2015-09-15 22:41:29 +0300 |
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committer | Patrick Williams <patrick@stwcx.xyz> | 2015-09-15 22:41:29 +0300 |
commit | 21f9b84b4b729fbd7acbd465e7a3f726e4d20f91 (patch) | |
tree | eb2d091d427ca0813b445509d59cc8e27e8ad25f /yocto-poky/meta/recipes-devtools/gcc/gcc-multilib-config.inc | |
parent | 101cef31e2bf54c678501155cd2106251acbd076 (diff) | |
parent | c124f4f2e04dca16a428a76c89677328bc7bf908 (diff) | |
download | openbmc-21f9b84b4b729fbd7acbd465e7a3f726e4d20f91.tar.xz |
Merge commit 'c124f4f2e04dca16a428a76c89677328bc7bf908' as 'yocto-poky'
Diffstat (limited to 'yocto-poky/meta/recipes-devtools/gcc/gcc-multilib-config.inc')
-rw-r--r-- | yocto-poky/meta/recipes-devtools/gcc/gcc-multilib-config.inc | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/yocto-poky/meta/recipes-devtools/gcc/gcc-multilib-config.inc b/yocto-poky/meta/recipes-devtools/gcc/gcc-multilib-config.inc new file mode 100644 index 000000000..f7f9f557d --- /dev/null +++ b/yocto-poky/meta/recipes-devtools/gcc/gcc-multilib-config.inc @@ -0,0 +1,227 @@ +# following code modifies these definitions in the gcc config +# MULTILIB_OPTIONS +# MULTILIB_DIRNAMES +# MULTILIB_OSDIRNAMES +# GLIBC_DYNAMIC_LINKER32 +# GLIBC_DYNAMIC_LINKER64 +# GLIBC_DYNAMIC_LINKERX32 +# GLIBC_DYNAMIC_LINKERN32 +# For more information on use of these variables look at these files in the gcc source code +# gcc/config/i386/t-linux64 +# gcc/config/mips/t-linux64 +# gcc/config/rs6000/t-linux64 +# gcc/config/i386/linux64.h +# gcc/config/mips/linux64.h +# gcc/config/rs6000/linux64.h + +MULTILIB_OPTION_WHITELIST ??= "-m32 -m64 -mx32 -mabi=n32 -mabi=32 -mabi=64" + +python gcc_multilib_setup() { + import re + import shutil + import glob + + srcdir = d.getVar('S', True) + builddir = d.getVar('B', True) + src_conf_dir = '%s/gcc/config' % srcdir + build_conf_dir = '%s/gcc/config' % builddir + + bb.utils.remove(build_conf_dir, True) + ml_globs = ('%s/*/t-linux64' % src_conf_dir, + '%s/*/linux64.h' % src_conf_dir, + '%s/*/linux.h' % src_conf_dir, + '%s/linux.h' % src_conf_dir) + + # copy the target multilib config files to ${B} + for ml_glob in ml_globs: + for fn in glob.glob(ml_glob): + rel_path = os.path.relpath(fn, src_conf_dir) + parent_dir = os.path.dirname(rel_path) + bb.utils.mkdirhier('%s/%s' % (build_conf_dir, parent_dir)) + bb.utils.copyfile(fn, '%s/%s' % (build_conf_dir, rel_path)) + + pn = d.getVar('PN', True) + multilibs = (d.getVar('MULTILIB_VARIANTS', True) or '').split() + if not multilibs and pn != "nativesdk-gcc": + return + + mlprefix = d.getVar('MLPREFIX', True) + + if ('%sgcc' % mlprefix) != pn and (not pn.startswith('gcc-cross-canadian')) and pn != "nativesdk-gcc": + return + + + def write_config(root, files, options, dirnames, osdirnames): + for ml_conf_file in files: + with open(root + '/' + ml_conf_file, 'r') as f: + filelines = f.readlines() + # recreate multilib configuration variables + substs = [ + (r'^(\s*(MULTILIB_OPTIONS\s*=).*)$', r'\2 %s' % '/'.join(options)), + (r'^(\s*MULTILIB_OPTIONS\s*\+=.*)$', ''), + (r'^(\s*(MULTILIB_DIRNAMES\s*=).*)$', r'\2 %s' % ' '.join(dirnames)), + (r'^(\s*MULTILIB_DIRNAMES\s*\+=.*)$', ''), + (r'^(\s*(MULTILIB_OSDIRNAMES\s*=).*)$', r'\2 %s' % ' '.join(osdirnames)), + (r'^(\s*MULTILIB_OSDIRNAMES\s*\+=.*)$', ''), + ] + + for (i, line) in enumerate(filelines): + for subst in substs: + line = re.sub(subst[0], subst[1], line) + filelines[i] = line + + with open(root + '/' + ml_conf_file, 'w') as f: + f.write(''.join(filelines)) + + def write_headers(root, files, libdir32, libdir64, libdirx32, libdirn32): + def wrap_libdir(libdir): + if libdir.find('SYSTEMLIBS_DIR') != -1: + return '"%r"' + else: + return '"/%s/"' % libdir + + for ml_conf_file in files: + fn = root + '/' + ml_conf_file + if not os.path.exists(fn): + continue + with open(fn, 'r') as f: + filelines = f.readlines() + + # replace lines like + # #define GLIBC_DYNAMIC_LINKER32 SYSTEMLIBS_DIR "ld-linux.so.2" + # by + # #define GLIBC_DYNAMIC_LINKER32 "/lib/" "ld-linux.so.2" + # this is needed to put the correct dynamic loader path in the generated binaries + substs = [ + (r'^(#define\s*GLIBC_DYNAMIC_LINKER32\s*)(\S+)(\s*\".*\")$', + r'\1' + wrap_libdir(libdir32) + r'\3'), + (r'^(#define\s*GLIBC_DYNAMIC_LINKER64\s*)(\S+)(\s*\"\S+\")$', + r'\1' + wrap_libdir(libdir64) + r'\3'), + (r'^(#define\s*GLIBC_DYNAMIC_LINKER64\s*\"\S+\"\s*)(\S+)(\s*\"\S+\"\s*)(\S+)(\s*\".*\")$', + r'\1' + wrap_libdir(libdir64) + r'\3' + wrap_libdir(libdir64) + r'\5'), + (r'^(#define\s*GLIBC_DYNAMIC_LINKERX32\s*)(\S+)(\s*\".*\")$', + r'\1' + wrap_libdir(libdirx32) + r'\3'), + (r'^(#define\s*GLIBC_DYNAMIC_LINKERN32\s*)(\S+)(\s*\".*\")$', + r'\1' + wrap_libdir(libdirn32) + r'\3'), + (r'^(#define\s*UCLIBC_DYNAMIC_LINKER32\s*)(\S+)(\s*\".*\")$', + r'\1' + wrap_libdir(libdir32) + r'\3'), + (r'^(#define\s*UCLIBC_DYNAMIC_LINKER64\s*)(\S+)(\s*\".*\")$', + r'\1' + wrap_libdir(libdir64) + r'\3'), + (r'^(#define\s*UCLIBC_DYNAMIC_LINKERN32\s*)(\S+)(\s*\".*\")$', + r'\1' + wrap_libdir(libdirn32) + r'\3'), + (r'^(#define\s*UCLIBC_DYNAMIC_LINKER\b\s*)(\S+)(\s*\".*\")$', + r'\1' + wrap_libdir(libdir32) + r'\3'), + ] + + for (i, line) in enumerate(filelines): + for subst in substs: + line = re.sub(subst[0], subst[1], line) + filelines[i] = line + + with open(root + '/' + ml_conf_file, 'w') as f: + f.write(''.join(filelines)) + + + gcc_target_config_files = { + 'x86_64' : ['gcc/config/i386/t-linux64'], + 'i586' : ['gcc/config/i386/t-linux64'], + 'i686' : ['gcc/config/i386/t-linux64'], + 'mips' : ['gcc/config/mips/t-linux64'], + 'mips64' : ['gcc/config/mips/t-linux64'], + 'powerpc' : ['gcc/config/rs6000/t-linux64'], + 'powerpc64' : ['gcc/config/rs6000/t-linux64'], + } + + gcc_header_config_files = { + 'x86_64' : ['gcc/config/i386/linux64.h'], + 'i586' : ['gcc/config/i386/linux64.h'], + 'i686' : ['gcc/config/i386/linux64.h'], + 'mips' : ['gcc/config/mips/linux.h', 'gcc/config/mips/linux64.h'], + 'mips64' : ['gcc/config/mips/linux.h', 'gcc/config/mips/linux64.h'], + 'powerpc' : ['gcc/config/rs6000/linux64.h'], + 'powerpc64' : ['gcc/config/rs6000/linux64.h'], + } + + libdir32 = 'SYSTEMLIBS_DIR' + libdir64 = 'SYSTEMLIBS_DIR' + libdirx32 = 'SYSTEMLIBS_DIR' + libdirn32 = 'SYSTEMLIBS_DIR' + + + target_arch = (d.getVar('TARGET_ARCH_MULTILIB_ORIGINAL', True) if mlprefix + else d.getVar('TARGET_ARCH', True)) + if pn == "nativesdk-gcc": + header_config_files = gcc_header_config_files[d.getVar("SDK_ARCH", True)] + write_headers(builddir, header_config_files, libdir32, libdir64, libdirx32, libdirn32) + return + + if target_arch not in gcc_target_config_files: + bb.warn('gcc multilib setup is not supported for TARGET_ARCH=' + target_arch) + return + + target_config_files = gcc_target_config_files[target_arch] + header_config_files = gcc_header_config_files[target_arch] + + ml_list = ['DEFAULTTUNE_MULTILIB_ORIGINAL' if mlprefix else 'DEFAULTTUNE'] + mltunes = [('DEFAULTTUNE_virtclass-multilib-%s' % ml) for ml in multilibs] + if mlprefix: + mlindex = 0 + for ml in multilibs: + if mlprefix == ml + '-': + break + mlindex += 1 + + ml_list.extend(mltunes[:mlindex] + ['DEFAULTTUNE'] + mltunes[(mlindex + 1):]) + else: + ml_list.extend(mltunes) + + options = [] + dirnames = [] + osdirnames = [] + optsets = [] + + for ml in ml_list: + tune = d.getVar(ml, True) + if not tune: + bb.warn("%s doesn't have a corresponding tune. Skipping..." % ml) + continue + tune_parameters = get_tune_parameters(tune, d) + + tune_baselib = tune_parameters['baselib'] + if not tune_baselib: + bb.warn("Tune %s doesn't have a baselib set. Skipping..." % tune) + continue + + if tune_baselib == 'lib64': + libdir64 = tune_baselib + elif tune_baselib == 'libx32': + libdirx32 = tune_baselib + elif tune_baselib == 'lib32': + libdirn32 = tune_baselib + elif tune_baselib == 'lib': + libdir32 = tune_baselib + else: + bb.error('Unknown libdir (%s) of the tune : %s' % (tune_baselib, tune)) + + # take out '-' mcpu='s and march='s from parameters + opts = [] + whitelist = (d.getVar("MULTILIB_OPTION_WHITELIST", True) or "").split() + for i in tune_parameters['ccargs'].split(): + if i in whitelist: + # Need to strip '-' from option + opts.append(i[1:]) + options.append(" ".join(opts)) + + if tune_baselib == 'lib': + dirnames.append('32') # /lib => 32bit lib + else: + dirnames.append(tune_baselib.replace('lib', '')) + osdirnames.append('../' + tune_baselib) + + write_config(builddir, target_config_files, options, dirnames, osdirnames) + write_headers(builddir, header_config_files, libdir32, libdir64, libdirx32, libdirn32) +} + +gcc_multilib_setup[cleandirs] = "${B}/gcc/config" + +EXTRACONFFUNCS += "gcc_multilib_setup" |