diff options
| -rw-r--r-- | configure.ac | 3 | ||||
| -rwxr-xr-x | contrib/devtools/symbol-check.py | 2 | ||||
| -rw-r--r-- | src/Makefile.am | 1 | ||||
| -rw-r--r-- | src/compat/glibc_compat.cpp | 45 | ||||
| -rw-r--r-- | src/net.cpp | 2 |
5 files changed, 51 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac index 490b638ee1..bf0f3f8f52 100644 --- a/configure.ac +++ b/configure.ac @@ -651,6 +651,8 @@ if test x$use_glibc_compat != xno; then [ fdelt_type="long int"]) AC_MSG_RESULT($fdelt_type) AC_DEFINE_UNQUOTED(FDELT_TYPE, $fdelt_type,[parameter and return value type for __fdelt_chk]) + AX_CHECK_LINK_FLAG([[-Wl,--wrap=__divmoddi4]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=__divmoddi4"]) + AX_CHECK_LINK_FLAG([[-Wl,--wrap=log2f]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=log2f"]) else AC_SEARCH_LIBS([clock_gettime],[rt]) fi @@ -1351,6 +1353,7 @@ AC_SUBST(DEBUG_CPPFLAGS) AC_SUBST(WARN_CXXFLAGS) AC_SUBST(NOWARN_CXXFLAGS) AC_SUBST(DEBUG_CXXFLAGS) +AC_SUBST(COMPAT_LDFLAGS) AC_SUBST(ERROR_CXXFLAGS) AC_SUBST(GPROF_CXXFLAGS) AC_SUBST(GPROF_LDFLAGS) diff --git a/contrib/devtools/symbol-check.py b/contrib/devtools/symbol-check.py index 3a67319eaa..6808e77da7 100755 --- a/contrib/devtools/symbol-check.py +++ b/contrib/devtools/symbol-check.py @@ -46,7 +46,7 @@ MAX_VERSIONS = { # Ignore symbols that are exported as part of every executable IGNORE_EXPORTS = { -'_edata', '_end', '_init', '__bss_start', '_fini', '_IO_stdin_used' +'_edata', '_end', '_init', '__bss_start', '_fini', '_IO_stdin_used', 'stdin', 'stdout', 'stderr' } READELF_CMD = os.getenv('READELF', '/usr/bin/readelf') CPPFILT_CMD = os.getenv('CPPFILT', '/usr/bin/c++filt') diff --git a/src/Makefile.am b/src/Makefile.am index 458721293e..5d7eafb3f1 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -418,6 +418,7 @@ libbitcoin_util_a_SOURCES = \ if GLIBC_BACK_COMPAT libbitcoin_util_a_SOURCES += compat/glibc_compat.cpp +AM_LDFLAGS += $(COMPAT_LDFLAGS) endif # cli: shared between bitcoin-cli and bitcoin-qt diff --git a/src/compat/glibc_compat.cpp b/src/compat/glibc_compat.cpp index 55da5ef63f..b1cbe9f72a 100644 --- a/src/compat/glibc_compat.cpp +++ b/src/compat/glibc_compat.cpp @@ -7,6 +7,7 @@ #endif #include <cstddef> +#include <cstdint> #if defined(HAVE_SYS_SELECT_H) #include <sys/select.h> @@ -27,3 +28,47 @@ extern "C" FDELT_TYPE __fdelt_warn(FDELT_TYPE a) return a / __NFDBITS; } extern "C" FDELT_TYPE __fdelt_chk(FDELT_TYPE) __attribute__((weak, alias("__fdelt_warn"))); + +#if defined(__i386__) || defined(__arm__) + +extern "C" int64_t __udivmoddi4(uint64_t u, uint64_t v, uint64_t* rp); + +extern "C" int64_t __wrap___divmoddi4(int64_t u, int64_t v, int64_t* rp) +{ + int32_t c1 = 0, c2 = 0; + int64_t uu = u, vv = v; + int64_t w; + int64_t r; + + if (uu < 0) { + c1 = ~c1, c2 = ~c2, uu = -uu; + } + if (vv < 0) { + c1 = ~c1, vv = -vv; + } + + w = __udivmoddi4(uu, vv, (uint64_t*)&r); + if (c1) + w = -w; + if (c2) + r = -r; + + *rp = r; + return w; +} +#endif + +extern "C" float log2f_old(float x); +#ifdef __i386__ +__asm(".symver log2f_old,log2f@GLIBC_2.1"); +#elif defined(__amd64__) +__asm(".symver log2f_old,log2f@GLIBC_2.2.5"); +#elif defined(__arm__) +__asm(".symver log2f_old,log2f@GLIBC_2.4"); +#elif defined(__aarch64__) +__asm(".symver log2f_old,log2f@GLIBC_2.17"); +#endif +extern "C" float __wrap_log2f(float x) +{ + return log2f_old(x); +} diff --git a/src/net.cpp b/src/net.cpp index b24ceb67d6..d806059ece 100644 --- a/src/net.cpp +++ b/src/net.cpp @@ -2254,7 +2254,7 @@ bool CConnman::InitBinds(const std::vector<CService>& binds, const std::vector<C if (binds.empty() && whiteBinds.empty()) { struct in_addr inaddr_any; inaddr_any.s_addr = INADDR_ANY; - fBound |= Bind(CService(in6addr_any, GetListenPort()), BF_NONE); + fBound |= Bind(CService((in6_addr)IN6ADDR_ANY_INIT, GetListenPort()), BF_NONE); fBound |= Bind(CService(inaddr_any, GetListenPort()), !fBound ? BF_REPORT_ERROR : BF_NONE); } return fBound; |