Merge pull request #26 from cevap/gitian-risc

Add risc support

contrib/devtools/symbol-check.py

@@ -36,17 +36,18 @@
 #   (glibc)    GLIBC_2_11
 #
 MAX_VERSIONS = {
-'GCC':     (4,4,0),
-'CXXABI':  (1,3,3),
-'GLIBCXX': (3,4,13),
-'GLIBC':   (2,11)
+'GCC':       (4,4,0),
+'CXXABI':    (1,3,3),
+'GLIBCXX':   (3,4,13),
+'GLIBC':     (2,11),
+'LIBATOMIC': (1,0)
 }
 # See here for a description of _IO_stdin_used:
 # https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=634261#109
 
 # Ignore symbols that are exported as part of every executable
 IGNORE_EXPORTS = {
-'_edata', '_end', '_init', '__bss_start', '_fini', '_IO_stdin_used', 'stdin', 'stdout', 'stderr'
+'_edata', '_end', '__end__', '_init', '__bss_start', '__bss_start__', '_bss_end__', '__bss_end__', '_fini', '_IO_stdin_used', 'stdin', 'stdout', 'stderr'
 }
 READELF_CMD = os.getenv('READELF', '/usr/bin/readelf')
 CPPFILT_CMD = os.getenv('CPPFILT', '/usr/bin/c++filt')
@@ -59,8 +60,12 @@
 'libanl.so.1', # DNS resolve
 'libm.so.6', # math library
 'librt.so.1', # real-time (clock)
+'libatomic.so.1',
 'ld-linux-x86-64.so.2', # 64-bit dynamic linker
 'ld-linux.so.2', # 32-bit dynamic linker
+'ld-linux-aarch64.so.1', # 64-bit ARM dynamic linker
+'ld-linux-armhf.so.3', # 32-bit ARM dynamic linker
+'ld-linux-riscv64-lp64d.so.1', # 64-bit RISC-V dynamic linker
 # bitcoin-qt only
 'libX11-xcb.so.1', # part of X11
 'libX11.so.6', # part of X11
@@ -69,7 +74,13 @@
 'libfreetype.so.6', # font parsing
 'libdl.so.2' # programming interface to dynamic linker
 }
-
+ARCH_MIN_GLIBC_VER = {
+'80386':  (2,1),
+'X86-64': (2,2,5),
+'ARM':    (2,4),
+'AArch64':(2,17),
+'RISC-V': (2,27)
+}
 class CPPFilt(object):
     '''
     Demangle C++ symbol names.
@@ -94,23 +105,25 @@ def read_symbols(executable, imports=True):
     Parse an ELF executable and return a list of (symbol,version) tuples
     for dynamic, imported symbols.
     '''
-    p = subprocess.Popen([READELF_CMD, '--dyn-syms', '-W', executable], stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE, universal_newlines=True)
+    p = subprocess.Popen([READELF_CMD, '--dyn-syms', '-W', '-h', executable], stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE, universal_newlines=True)
     (stdout, stderr) = p.communicate()
     if p.returncode:
         raise IOError('Could not read symbols for %s: %s' % (executable, stderr.strip()))
     syms = []
     for line in stdout.splitlines():
         line = line.split()
+        if 'Machine:' in line:
+            arch = line[-1]
         if len(line)>7 and re.match('[0-9]+:$', line[0]):
             (sym, _, version) = line[7].partition('@')
             is_import = line[6] == 'UND'
             if version.startswith('@'):
                 version = version[1:]
             if is_import == imports:
-                syms.append((sym, version))
+                syms.append((sym, version, arch))
     return syms
 
-def check_version(max_versions, version):
+def check_version(max_versions, version, arch):
     if '_' in version:
         (lib, _, ver) = version.rpartition('_')
     else:
@@ -119,7 +132,7 @@ def check_version(max_versions, version):
     ver = tuple([int(x) for x in ver.split('.')])
     if not lib in max_versions:
         return False
-    return ver <= max_versions[lib]
+    return ver <= max_versions[lib] or lib == 'GLIBC' and ver <= ARCH_MIN_GLIBC_VER[arch]
 
 def read_libraries(filename):
     p = subprocess.Popen([READELF_CMD, '-d', '-W', filename], stdout=subprocess.PIPE, stderr=subprocess.PIPE, stdin=subprocess.PIPE, universal_newlines=True)
@@ -142,16 +155,17 @@ def read_libraries(filename):
     retval = 0
     for filename in sys.argv[1:]:
         # Check imported symbols
-        for sym,version in read_symbols(filename, True):
-            if version and not check_version(MAX_VERSIONS, version):
+        for sym,version,arch in read_symbols(filename, True):
+            if version and not check_version(MAX_VERSIONS, version, arch):
                 print('%s: symbol %s from unsupported version %s' % (filename, cppfilt(sym), version))
                 retval = 1
         # Check exported symbols
-        for sym,version in read_symbols(filename, False):
-            if sym in IGNORE_EXPORTS:
-                continue
-            print('%s: export of symbol %s not allowed' % (filename, cppfilt(sym)))
-            retval = 1
+        if arch != 'RISC-V':
+            for sym,version,arch in read_symbols(filename, False):
+                if sym in IGNORE_EXPORTS:
+                    continue
+                print('%s: export of symbol %s not allowed' % (filename, cppfilt(sym)))
+                retval = 1
         # Check dependency libraries
         for library_name in read_libraries(filename):
             if library_name not in ALLOWED_LIBRARIES:

contrib/gitian-descriptors/gitian-linux.yml

@@ -38,7 +38,7 @@ files: []
 script: |
 
   WRAP_DIR=$HOME/wrapped
-  HOSTS="i686-pc-linux-gnu x86_64-linux-gnu arm-linux-gnueabihf aarch64-linux-gnu"
+  HOSTS="i686-pc-linux-gnu x86_64-linux-gnu arm-linux-gnueabihf aarch64-linux-gnu riscv64-linux-gnu"
   CONFIGFLAGS="--enable-glibc-back-compat --enable-reduce-exports --disable-bench --disable-gui-tests"
   FAKETIME_HOST_PROGS="gcc g++"
   FAKETIME_PROGS="date ar ranlib nm"
@@ -172,20 +172,8 @@ script: |
 
     CONFIG_SITE=${BASEPREFIX}/${i}/share/config.site ./configure --prefix=/ --disable-ccache --disable-maintainer-mode --disable-dependency-tracking ${CONFIGFLAGS} CFLAGS="${HOST_CFLAGS}" CXXFLAGS="${HOST_CXXFLAGS}" LDFLAGS="${HOST_LDFLAGS}"
     make ${MAKEOPTS}
-
     make ${MAKEOPTS} -C src check-security
-
-    #TODO: This is a quick hack that disables symbol checking for arm.
-    #      Instead, we should investigate why these are popping up.
-    #      For aarch64, we'll need to bump up the min GLIBC version, as the abi
-    #      support wasn't introduced until 2.17.
-    case $i in
-       aarch64-*) : ;;
-       arm-*) : ;;
-       riscv64-*) : ;;
-       *) make ${MAKEOPTS} -C src check-symbols ;;
-    esac
-
+    make ${MAKEOPTS} -C src check-symbols
     make install DESTDIR=${INSTALLPATH}
     cd installed
     find . -name "lib*.la" -delete

depends/packages/qt.mk

@@ -102,11 +102,11 @@ $(package)_config_opts_linux += -system-freetype
 $(package)_config_opts_linux += -no-feature-sessionmanager
 $(package)_config_opts_linux += -fontconfig
 $(package)_config_opts_linux += -no-opengl
-$(package)_config_opts_arm_linux += -platform linux-g++ -xplatform bitcoin-linux-g++
+$(package)_config_opts_arm_linux += -platform linux-g++ -xplatform ion-linux-g++
 $(package)_config_opts_i686_linux  = -xplatform linux-g++-32
 $(package)_config_opts_x86_64_linux = -xplatform linux-g++-64
 $(package)_config_opts_aarch64_linux = -xplatform linux-aarch64-gnu-g++
-$(package)_config_opts_riscv64_linux = -platform linux-g++ -xplatform bitcoin-linux-g++
+$(package)_config_opts_riscv64_linux = -platform linux-g++ -xplatform ion-linux-g++
 $(package)_config_opts_mingw32  = -no-opengl -xplatform win32-g++ -device-option CROSS_COMPILE="$(host)-"
 $(package)_build_env  = QT_RCC_TEST=1
 $(package)_build_env += QT_RCC_SOURCE_DATE_OVERRIDE=1
@@ -145,8 +145,8 @@ define $(package)_preprocess_cmds
   cp -f qtbase/mkspecs/macx-clang/Info.plist.app qtbase/mkspecs/macx-clang-linux/ &&\
   cp -f qtbase/mkspecs/macx-clang/qplatformdefs.h qtbase/mkspecs/macx-clang-linux/ &&\
   cp -f $($(package)_patch_dir)/mac-qmake.conf qtbase/mkspecs/macx-clang-linux/qmake.conf && \
-  cp -r qtbase/mkspecs/linux-arm-gnueabi-g++ qtbase/mkspecs/bitcoin-linux-g++ && \
-  sed -i.old "s/arm-linux-gnueabi-/$(host)-/g" qtbase/mkspecs/bitcoin-linux-g++/qmake.conf && \
+  cp -r qtbase/mkspecs/linux-arm-gnueabi-g++ qtbase/mkspecs/ion-linux-g++ && \
+  sed -i.old "s/arm-linux-gnueabi-/$(host)-/g" qtbase/mkspecs/ion-linux-g++/qmake.conf && \
   patch -p1 -i $($(package)_patch_dir)/fix_qt_pkgconfig.patch &&\
   patch -p1 -i $($(package)_patch_dir)/fix_configure_mac.patch &&\
   patch -p1 -i $($(package)_patch_dir)/fix_no_printer.patch &&\

src/compat/glibc_compat.cpp

@@ -69,6 +69,8 @@ __asm(".symver log2f_old,log2f@GLIBC_2.2.5");
 __asm(".symver log2f_old,log2f@GLIBC_2.4");
 #elif defined(__aarch64__)
 __asm(".symver log2f_old,log2f@GLIBC_2.17");
+#elif defined(__riscv)
+__asm(".symver log2f_old,log2f@GLIBC_2.27");
 #endif
 extern "C" float __wrap_log2f(float x)
 {