From 716ca530e1c4515d8683c9d5be3d56b301758b66 Mon Sep 17 00:00:00 2001
From: James <>
Date: Wed, 4 Nov 2015 11:49:21 +0000
Subject: trunk-47381
---
tools/mklibs/patches/001-compile.patch | 8 +++
.../mklibs/patches/002-disable_symbol_checks.patch | 20 +++++++
tools/mklibs/patches/003-no_copy.patch | 50 +++++++++++++++++
tools/mklibs/patches/004-libpthread_link.patch | 28 ++++++++++
tools/mklibs/patches/005-duplicate_syms.patch | 35 ++++++++++++
tools/mklibs/patches/006-uclibc_init.patch | 14 +++++
tools/mklibs/patches/007-gc_sections.patch | 11 ++++
tools/mklibs/patches/008-uclibc_libgcc_link.patch | 37 +++++++++++++
.../patches/009-uclibc_libpthread_symbols.patch | 63 ++++++++++++++++++++++
.../mklibs/patches/010-remove_STT_GNU_IFUNC.patch | 20 +++++++
tools/mklibs/patches/011-remove_multiarch.patch | 10 ++++
11 files changed, 296 insertions(+)
create mode 100644 tools/mklibs/patches/001-compile.patch
create mode 100644 tools/mklibs/patches/002-disable_symbol_checks.patch
create mode 100644 tools/mklibs/patches/003-no_copy.patch
create mode 100644 tools/mklibs/patches/004-libpthread_link.patch
create mode 100644 tools/mklibs/patches/005-duplicate_syms.patch
create mode 100644 tools/mklibs/patches/006-uclibc_init.patch
create mode 100644 tools/mklibs/patches/007-gc_sections.patch
create mode 100644 tools/mklibs/patches/008-uclibc_libgcc_link.patch
create mode 100644 tools/mklibs/patches/009-uclibc_libpthread_symbols.patch
create mode 100644 tools/mklibs/patches/010-remove_STT_GNU_IFUNC.patch
create mode 100644 tools/mklibs/patches/011-remove_multiarch.patch
(limited to 'tools/mklibs/patches')
diff --git a/tools/mklibs/patches/001-compile.patch b/tools/mklibs/patches/001-compile.patch
new file mode 100644
index 0000000..09b831a
--- /dev/null
+++ b/tools/mklibs/patches/001-compile.patch
@@ -0,0 +1,8 @@
+--- a/configure.ac
++++ b/configure.ac
+@@ -1,4 +1,4 @@
+-AC_INIT([mklibs],m4_esyscmd(dpkg-parsechangelog | perl -ne 'print $1 if m/^Version: (.*)$/;'))
++AC_INIT([mklibs],m4_esyscmd([head -n1 debian/changelog | awk -F'[\\\\(\\\\)]' '{ print $2 }' | xargs -I{} echo -n {}]))
+ AM_INIT_AUTOMAKE([foreign no-define])
+ AC_CONFIG_HEADERS([config.h])
+ AM_MAINTAINER_MODE
diff --git a/tools/mklibs/patches/002-disable_symbol_checks.patch b/tools/mklibs/patches/002-disable_symbol_checks.patch
new file mode 100644
index 0000000..44be637
--- /dev/null
+++ b/tools/mklibs/patches/002-disable_symbol_checks.patch
@@ -0,0 +1,20 @@
+--- a/src/mklibs
++++ b/src/mklibs
+@@ -524,7 +524,7 @@ while 1:
+ # No progress in last pass. Verify all remaining symbols are weak.
+ for name in unresolved:
+ if not needed_symbols[name].weak:
+- raise Exception("Unresolvable symbol %s" % name)
++ print "WARNING: Unresolvable symbol %s" % name
+ break
+
+ previous_pass_unresolved = unresolved
+@@ -559,7 +559,7 @@ while 1:
+ for name in needed_symbols:
+ if not name in symbol_provider:
+ if not needed_symbols[name].weak:
+- raise Exception("No library provides non-weak %s" % name)
++ print "WARNING: Unresolvable symbol %s" % name
+ else:
+ lib = symbol_provider[name]
+ library_symbols_used[lib].add(library_symbols[lib][name])
diff --git a/tools/mklibs/patches/003-no_copy.patch b/tools/mklibs/patches/003-no_copy.patch
new file mode 100644
index 0000000..e0ab2ac
--- /dev/null
+++ b/tools/mklibs/patches/003-no_copy.patch
@@ -0,0 +1,50 @@
+--- a/src/mklibs
++++ b/src/mklibs
+@@ -463,7 +463,7 @@ while 1:
+ passnr = passnr + 1
+ # Gather all already reduced libraries and treat them as objects as well
+ small_libs = []
+- for lib in regexpfilter(os.listdir(dest_path), "(.*-so-stripped)$"):
++ for lib in regexpfilter(os.listdir(dest_path), "(.*-so)$"):
+ obj = dest_path + "/" + lib
+ small_libs.append(obj)
+ inode = os.stat(obj)[ST_INO]
+@@ -579,12 +579,7 @@ while 1:
+ if not so_file:
+ sys.exit("File not found:" + library)
+ pic_file = find_pic(library)
+- if not pic_file:
+- # No pic file, so we have to use the .so file, no reduction
+- debug(DEBUG_VERBOSE, "No pic file found for", so_file, "; copying")
+- command(target + "objcopy", "--strip-unneeded -R .note -R .comment",
+- so_file, dest_path + "/" + so_file_name + "-so-stripped")
+- else:
++ if pic_file:
+ # we have a pic file, recompile
+ debug(DEBUG_SPAM, "extracting from:", pic_file, "so_file:", so_file)
+ soname = extract_soname(so_file)
+@@ -627,22 +622,14 @@ while 1:
+ cmd.append(library_depends_gcc_libnames(so_file))
+ command(target + "gcc", *cmd)
+
+- # strip result
+- command(target + "objcopy", "--strip-unneeded -R .note -R .comment",
+- dest_path + "/" + so_file_name + "-so",
+- dest_path + "/" + so_file_name + "-so-stripped")
+ ## DEBUG
+ debug(DEBUG_VERBOSE, so_file, "\t", `os.stat(so_file)[ST_SIZE]`)
+ debug(DEBUG_VERBOSE, dest_path + "/" + so_file_name + "-so", "\t",
+ `os.stat(dest_path + "/" + so_file_name + "-so")[ST_SIZE]`)
+- debug(DEBUG_VERBOSE, dest_path + "/" + so_file_name + "-so-stripped",
+- "\t", `os.stat(dest_path + "/" + so_file_name + "-so-stripped")[ST_SIZE]`)
+
+ # Finalising libs and cleaning up
+-for lib in regexpfilter(os.listdir(dest_path), "(.*)-so-stripped$"):
+- os.rename(dest_path + "/" + lib + "-so-stripped", dest_path + "/" + lib)
+-for lib in regexpfilter(os.listdir(dest_path), "(.*-so)$"):
+- os.remove(dest_path + "/" + lib)
++for lib in regexpfilter(os.listdir(dest_path), "(.*)-so$"):
++ os.rename(dest_path + "/" + lib + "-so", dest_path + "/" + lib)
+
+ # Canonicalize library names.
+ for lib in regexpfilter(os.listdir(dest_path), "(.*so[.\d]*)$"):
diff --git a/tools/mklibs/patches/004-libpthread_link.patch b/tools/mklibs/patches/004-libpthread_link.patch
new file mode 100644
index 0000000..657e232
--- /dev/null
+++ b/tools/mklibs/patches/004-libpthread_link.patch
@@ -0,0 +1,28 @@
+--- a/src/mklibs
++++ b/src/mklibs
+@@ -106,14 +106,14 @@ def library_depends(obj):
+
+ # Return a list of libraries the passed objects depend on. The
+ # libraries are in "-lfoo" format suitable for passing to gcc.
+-def library_depends_gcc_libnames(obj):
++def library_depends_gcc_libnames(obj, soname):
+ if not os.access(obj, os.F_OK):
+ raise Exception("Cannot find lib: " + obj)
+ libs = library_depends(obj)
+ ret = []
+ for i in libs:
+ match = re.match("^(((?P<ld>ld\S*)|(lib(?P<lib>\S+))))\.so.*$", i)
+- if match:
++ if match and not soname in ("libpthread.so.0"):
+ if match.group('ld'):
+ ret.append(find_lib(match.group(0)))
+ elif match.group('lib'):
+@@ -619,7 +619,7 @@ while 1:
+ cmd.extend(extra_flags)
+ cmd.append("-lgcc")
+ cmd.extend(["-L%s" % a for a in [dest_path] + [sysroot + b for b in lib_path if sysroot == "" or b not in ("/" + libdir + "/", "/usr/" + libdir + "/")]])
+- cmd.append(library_depends_gcc_libnames(so_file))
++ cmd.append(library_depends_gcc_libnames(so_file, soname))
+ command(target + "gcc", *cmd)
+
+ ## DEBUG
diff --git a/tools/mklibs/patches/005-duplicate_syms.patch b/tools/mklibs/patches/005-duplicate_syms.patch
new file mode 100644
index 0000000..8428abf
--- /dev/null
+++ b/tools/mklibs/patches/005-duplicate_syms.patch
@@ -0,0 +1,35 @@
+--- a/src/mklibs
++++ b/src/mklibs
+@@ -531,7 +531,6 @@ while 1:
+
+ library_symbols = {}
+ library_symbols_used = {}
+- symbol_provider = {}
+
+ # WORKAROUND: Always add libgcc on old-abi arm
+ header = elf_header(find_lib(libraries.copy().pop()))
+@@ -549,20 +548,13 @@ while 1:
+ library_symbols_used[library] = set()
+ for symbol in symbols:
+ for name in symbol.base_names():
+- if name in symbol_provider:
+- debug(DEBUG_SPAM, "duplicate symbol %s in %s and %s" % (symbol, symbol_provider[name], library))
+- else:
+- library_symbols[library][name] = symbol
+- symbol_provider[name] = library
++ library_symbols[library][name] = symbol
+
+ # which symbols are actually used from each lib
+ for name in needed_symbols:
+- if not name in symbol_provider:
+- if not needed_symbols[name].weak:
+- print "WARNING: Unresolvable symbol %s" % name
+- else:
+- lib = symbol_provider[name]
+- library_symbols_used[lib].add(library_symbols[lib][name])
++ for lib in libraries:
++ if name in library_symbols[lib]:
++ library_symbols_used[lib].add(library_symbols[lib][name])
+
+ # reduce libraries
+ for library in libraries:
diff --git a/tools/mklibs/patches/006-uclibc_init.patch b/tools/mklibs/patches/006-uclibc_init.patch
new file mode 100644
index 0000000..2df7fe4
--- /dev/null
+++ b/tools/mklibs/patches/006-uclibc_init.patch
@@ -0,0 +1,14 @@
+--- a/src/mklibs
++++ b/src/mklibs
+@@ -595,6 +595,11 @@ while 1:
+ extra_post_obj.append(sysroot + libc_extras_dir + "/sofini.o")
+ symbols.add(ProvidedSymbol('__dso_handle', None, None, True))
+
++ if soname in ("libc.so.0"):
++ symbols.add(ProvidedSymbol('__uClibc_init', None, None, True))
++ symbols.add(ProvidedSymbol('__uClibc_fini', None, None, True))
++ extra_flags.append("-Wl,-init,__uClibc_init")
++
+ map_file = find_pic_map(library)
+ if map_file:
+ extra_flags.append("-Wl,--version-script=" + map_file)
diff --git a/tools/mklibs/patches/007-gc_sections.patch b/tools/mklibs/patches/007-gc_sections.patch
new file mode 100644
index 0000000..068d88a
--- /dev/null
+++ b/tools/mklibs/patches/007-gc_sections.patch
@@ -0,0 +1,11 @@
+--- a/src/mklibs
++++ b/src/mklibs
+@@ -607,7 +607,7 @@ while 1:
+ # compile in only used symbols
+ cmd = []
+ cmd.extend(gcc_options)
+- cmd.append("-nostdlib -nostartfiles -shared -Wl,-soname=" + soname)
++ cmd.append("-nostdlib -nostartfiles -shared -Wl,--gc-sections -Wl,-soname=" + soname)
+ cmd.extend(["-u%s" % a.linker_name() for a in symbols])
+ cmd.extend(["-o", dest_path + "/" + so_file_name + "-so"])
+ cmd.extend(extra_pre_obj)
diff --git a/tools/mklibs/patches/008-uclibc_libgcc_link.patch b/tools/mklibs/patches/008-uclibc_libgcc_link.patch
new file mode 100644
index 0000000..432a313
--- /dev/null
+++ b/tools/mklibs/patches/008-uclibc_libgcc_link.patch
@@ -0,0 +1,37 @@
+--- a/src/mklibs
++++ b/src/mklibs
+@@ -113,11 +113,8 @@ def library_depends_gcc_libnames(obj, so
+ ret = []
+ for i in libs:
+ match = re.match("^(((?P<ld>ld\S*)|(lib(?P<lib>\S+))))\.so.*$", i)
+- if match and not soname in ("libpthread.so.0"):
+- if match.group('ld'):
+- ret.append(find_lib(match.group(0)))
+- elif match.group('lib'):
+- ret.append('-l%s' % match.group('lib'))
++ if match:
++ ret.append(find_lib(match.group(0)))
+ return ' '.join(ret)
+
+ class Symbol(object):
+@@ -584,6 +581,7 @@ while 1:
+ extra_flags = []
+ extra_pre_obj = []
+ extra_post_obj = []
++ libgcc_link = find_lib("libgcc_s.so.1")
+
+ symbols.update(library_symbols_used[library])
+
+@@ -614,9 +612,10 @@ while 1:
+ cmd.append(pic_file)
+ cmd.extend(extra_post_obj)
+ cmd.extend(extra_flags)
+- cmd.append("-lgcc")
+ cmd.extend(["-L%s" % a for a in [dest_path] + [sysroot + b for b in lib_path if sysroot == "" or b not in ("/" + libdir + "/", "/usr/" + libdir + "/")]])
+- cmd.append(library_depends_gcc_libnames(so_file, soname))
++ if soname != "libgcc_s.so.1":
++ cmd.append(library_depends_gcc_libnames(so_file, soname))
++ cmd.append(libgcc_link)
+ command(target + "gcc", *cmd)
+
+ ## DEBUG
diff --git a/tools/mklibs/patches/009-uclibc_libpthread_symbols.patch b/tools/mklibs/patches/009-uclibc_libpthread_symbols.patch
new file mode 100644
index 0000000..34866f7
--- /dev/null
+++ b/tools/mklibs/patches/009-uclibc_libpthread_symbols.patch
@@ -0,0 +1,63 @@
+--- a/src/mklibs
++++ b/src/mklibs
+@@ -162,9 +162,10 @@ def undefined_symbols(obj):
+ return result
+
+ class ProvidedSymbol(Symbol):
+- def __init__(self, name, version, library, default_version):
++ def __init__(self, name, version, library, default_version, weak):
+ super(ProvidedSymbol, self).__init__(name, version, library)
+ self.default_version = default_version
++ self.weak = weak
+
+ def base_names(self):
+ ret = []
+@@ -205,11 +206,15 @@ def provided_symbols(obj):
+ if version_string.lower() not in ('base', 'none'):
+ version = version_string
+
++ weak = False
++ if weak_string.lower() == 'true':
++ weak = True
++
+ default_version = False
+ if default_version_string.lower() == 'true':
+ default_version = True
+
+- result.append(ProvidedSymbol(name, version, library, default_version))
++ result.append(ProvidedSymbol(name, version, library, default_version, weak))
+
+ return result
+
+@@ -500,6 +505,9 @@ while 1:
+ debug(DEBUG_SPAM, "present_symbols adding %s" % symbol)
+ names = symbol.base_names()
+ for name in names:
++ if name in present_symbols:
++ if symbol.library != present_symbols[name].library:
++ needed_symbols[name] = UndefinedSymbol(name, True, symbol.version, symbol.library)
+ present_symbols[name] = symbol
+
+ # are we finished?
+@@ -591,12 +599,16 @@ while 1:
+ # may segfault in ptmalloc_init due to undefined weak reference
+ extra_pre_obj.append(sysroot + libc_extras_dir + "/soinit.o")
+ extra_post_obj.append(sysroot + libc_extras_dir + "/sofini.o")
+- symbols.add(ProvidedSymbol('__dso_handle', None, None, True))
++ symbols.add(ProvidedSymbol('__dso_handle', None, None, True, True))
+
+- if soname in ("libc.so.0"):
+- symbols.add(ProvidedSymbol('__uClibc_init', None, None, True))
+- symbols.add(ProvidedSymbol('__uClibc_fini', None, None, True))
+- extra_flags.append("-Wl,-init,__uClibc_init")
++ if soname == "libc.so.0":
++ symbols.add(ProvidedSymbol('__uClibc_init', None, None, True, True))
++ symbols.add(ProvidedSymbol('__uClibc_fini', None, None, True, True))
++ extra_pre_obj.append("-Wl,-init,__uClibc_init")
++
++ if soname == "libpthread.so.0":
++ symbols.add(ProvidedSymbol('__pthread_initialize_minimal_internal', None, None, True, True))
++ extra_flags.append("-Wl,-z,nodelete,-z,initfirst,-init=__pthread_initialize_minimal_internal")
+
+ map_file = find_pic_map(library)
+ if map_file:
diff --git a/tools/mklibs/patches/010-remove_STT_GNU_IFUNC.patch b/tools/mklibs/patches/010-remove_STT_GNU_IFUNC.patch
new file mode 100644
index 0000000..6bae8c7
--- /dev/null
+++ b/tools/mklibs/patches/010-remove_STT_GNU_IFUNC.patch
@@ -0,0 +1,20 @@
+--- a/src/mklibs-readelf/main.cpp
++++ b/src/mklibs-readelf/main.cpp
+@@ -84,7 +84,7 @@ static void process_symbols_provided (co
+ continue;
+ if (shndx == SHN_UNDEF || shndx == SHN_ABS)
+ continue;
+- if (type != STT_NOTYPE && type != STT_OBJECT && type != STT_FUNC && type != STT_GNU_IFUNC && type != STT_COMMON && type != STT_TLS)
++ if (type != STT_NOTYPE && type != STT_OBJECT && type != STT_FUNC && type != STT_COMMON && type != STT_TLS)
+ continue;
+ if (!name.size())
+ continue;
+@@ -115,7 +115,7 @@ static void process_symbols_undefined (c
+ continue;
+ if (shndx != SHN_UNDEF)
+ continue;
+- if (type != STT_NOTYPE && type != STT_OBJECT && type != STT_FUNC && type != STT_GNU_IFUNC && type != STT_COMMON && type != STT_TLS)
++ if (type != STT_NOTYPE && type != STT_OBJECT && type != STT_FUNC && type != STT_COMMON && type != STT_TLS)
+ continue;
+ if (!name.size())
+ continue;
diff --git a/tools/mklibs/patches/011-remove_multiarch.patch b/tools/mklibs/patches/011-remove_multiarch.patch
new file mode 100644
index 0000000..a32d8ee
--- /dev/null
+++ b/tools/mklibs/patches/011-remove_multiarch.patch
@@ -0,0 +1,10 @@
+--- a/src/mklibs
++++ b/src/mklibs
+@@ -263,6 +263,7 @@ def extract_soname(so_file):
+ return ""
+
+ def multiarch(paths):
++ return paths
+ devnull = open('/dev/null', 'w')
+ dpkg_architecture = subprocess.Popen(
+ ['dpkg-architecture', '-qDEB_HOST_MULTIARCH'],
--
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