diff options
| -rw-r--r-- | build_msvc/bitcoin_config.h | 3 | ||||
| -rw-r--r-- | configure.ac | 51 | ||||
| -rw-r--r-- | src/Makefile.am | 1 | ||||
| -rw-r--r-- | src/compat/glibc_compat.cpp | 13 | ||||
| -rw-r--r-- | src/compat/glibc_sanity.cpp | 8 | ||||
| -rw-r--r-- | src/compat/glibc_sanity_fdelt.cpp | 26 |
6 files changed, 2 insertions, 100 deletions
diff --git a/build_msvc/bitcoin_config.h b/build_msvc/bitcoin_config.h index c8b2fb1658..35ba8425b3 100644 --- a/build_msvc/bitcoin_config.h +++ b/build_msvc/bitcoin_config.h @@ -41,9 +41,6 @@ /* Define to 1 to enable ZMQ functions */ #define ENABLE_ZMQ 1 -/* parameter and return value type for __fdelt_chk */ -/* #undef FDELT_TYPE */ - /* define if the Boost library is available */ #define HAVE_BOOST /**/ diff --git a/configure.ac b/configure.ac index 87dde42dbb..6f8f9d8ab2 100644 --- a/configure.ac +++ b/configure.ac @@ -723,22 +723,8 @@ AX_GCC_FUNC_ATTRIBUTE([dllexport]) AX_GCC_FUNC_ATTRIBUTE([dllimport]) if test x$use_glibc_compat != xno; then - - dnl __fdelt_chk's params and return type have changed from long unsigned int to long int. - dnl See which one is present here. - AC_MSG_CHECKING(__fdelt_chk type) - AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#ifdef _FORTIFY_SOURCE - #undef _FORTIFY_SOURCE - #endif - #define _FORTIFY_SOURCE 2 - #include <sys/select.h> - extern "C" long unsigned int __fdelt_warn(long unsigned int);]],[[]])], - [ fdelt_type="long unsigned int"], - [ fdelt_type="long int"]) - AC_MSG_RESULT($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"],, [[$LDFLAG_WERROR]]) - AX_CHECK_LINK_FLAG([[-Wl,--wrap=log2f]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=log2f"],, [[$LDFLAG_WERROR]]) + AX_CHECK_LINK_FLAG([[-Wl,--wrap=__divmoddi4]], [COMPAT_LDFLAGS="$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 @@ -817,39 +803,6 @@ fi AC_CHECK_HEADERS([endian.h sys/endian.h byteswap.h stdio.h stdlib.h unistd.h strings.h sys/types.h sys/stat.h sys/select.h sys/prctl.h sys/sysctl.h vm/vm_param.h sys/vmmeter.h sys/resources.h]) -dnl FD_ZERO may be dependent on a declaration of memcpy, e.g. in SmartOS -dnl check that it fails to build without memcpy, then that it builds with -AC_MSG_CHECKING(FD_ZERO memcpy dependence) -AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ - #include <cstddef> - #if HAVE_SYS_SELECT_H - #include <sys/select.h> - #endif - ]],[[ - #if HAVE_SYS_SELECT_H - fd_set fds; - FD_ZERO(&fds); - #endif - ]])], - [ AC_MSG_RESULT(no) ], - [ - AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ - #include <cstring> - #if HAVE_SYS_SELECT_H - #include <sys/select.h> - #endif - ]], [[ - #if HAVE_SYS_SELECT_H - fd_set fds; - FD_ZERO(&fds); - #endif - ]])], - [ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_CSTRING_DEPENDENT_FD_ZERO, 1, [Define this symbol if FD_ZERO is dependent of a memcpy declaration being available]) ], - [ AC_MSG_ERROR(failed with cstring include) ] - ) - ] -) - AC_CHECK_DECLS([getifaddrs, freeifaddrs],,, [#include <sys/types.h> #include <ifaddrs.h>] diff --git a/src/Makefile.am b/src/Makefile.am index 627df97cad..13812de0e7 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -496,7 +496,6 @@ libbitcoin_util_a_SOURCES = \ support/lockedpool.cpp \ chainparamsbase.cpp \ clientversion.cpp \ - compat/glibc_sanity_fdelt.cpp \ compat/glibc_sanity.cpp \ compat/glibcxx_sanity.cpp \ compat/strnlen.cpp \ diff --git a/src/compat/glibc_compat.cpp b/src/compat/glibc_compat.cpp index 4de4fd7f45..d17de33e86 100644 --- a/src/compat/glibc_compat.cpp +++ b/src/compat/glibc_compat.cpp @@ -9,10 +9,6 @@ #include <cstddef> #include <cstdint> -#if defined(HAVE_SYS_SELECT_H) -#include <sys/select.h> -#endif - // Prior to GLIBC_2.14, memcpy was aliased to memmove. extern "C" void* memmove(void* a, const void* b, size_t c); extern "C" void* memcpy(void* a, const void* b, size_t c) @@ -20,15 +16,6 @@ extern "C" void* memcpy(void* a, const void* b, size_t c) return memmove(a, b, c); } -extern "C" void __chk_fail(void) __attribute__((__noreturn__)); -extern "C" FDELT_TYPE __fdelt_warn(FDELT_TYPE a) -{ - if (a >= FD_SETSIZE) - __chk_fail(); - 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); diff --git a/src/compat/glibc_sanity.cpp b/src/compat/glibc_sanity.cpp index cc74f28899..0367b9a53f 100644 --- a/src/compat/glibc_sanity.cpp +++ b/src/compat/glibc_sanity.cpp @@ -8,10 +8,6 @@ #include <cstddef> -#if defined(HAVE_SYS_SELECT_H) -bool sanity_test_fdelt(); -#endif - extern "C" void* memcpy(void* a, const void* b, size_t c); void* memcpy_int(void* a, const void* b, size_t c) { @@ -45,9 +41,5 @@ bool sanity_test_memcpy() bool glibc_sanity_test() { -#if defined(HAVE_SYS_SELECT_H) - if (!sanity_test_fdelt()) - return false; -#endif return sanity_test_memcpy<1025>(); } diff --git a/src/compat/glibc_sanity_fdelt.cpp b/src/compat/glibc_sanity_fdelt.cpp deleted file mode 100644 index 87140d0c71..0000000000 --- a/src/compat/glibc_sanity_fdelt.cpp +++ /dev/null @@ -1,26 +0,0 @@ -// Copyright (c) 2009-2019 The Bitcoin Core developers -// Distributed under the MIT software license, see the accompanying -// file COPYING or http://www.opensource.org/licenses/mit-license.php. - -#if defined(HAVE_CONFIG_H) -#include <config/bitcoin-config.h> -#endif - -#if defined(HAVE_SYS_SELECT_H) -#ifdef HAVE_CSTRING_DEPENDENT_FD_ZERO -#include <cstring> -#endif -#include <sys/select.h> - -// trigger: Call FD_SET to trigger __fdelt_chk. FORTIFY_SOURCE must be defined -// as >0 and optimizations must be set to at least -O2. -// test: Add a file descriptor to an empty fd_set. Verify that it has been -// correctly added. -bool sanity_test_fdelt() -{ - fd_set fds; - FD_ZERO(&fds); - FD_SET(0, &fds); - return FD_ISSET(0, &fds); -} -#endif |