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Since the _FORTIFY_SOURCE feature uses some routines of Glibc, they need to be excluded from the fortification. On top of that: - some tests explicitly verify that some level of fortification works appropriately, we therefore shouldn't modify the level set for them. - some objects need to be build with optimization disabled, which prevents _FORTIFY_SOURCE to be used for them. Assembler files that implement architecture specific versions of the fortified routines were not excluded from _FORTIFY_SOURCE as there is no C header included that would impact their behavior. Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
96 lines
2.4 KiB
Makefile
96 lines
2.4 KiB
Makefile
# Copyright (C) 1991-2023 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with the GNU C Library; if not, see
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# <https://www.gnu.org/licenses/>.
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#
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# Sub-makefile for socket portion of the library.
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#
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subdir := socket
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include ../Makeconfig
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headers := \
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bits/sockaddr.h \
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bits/socket.h \
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bits/socket2.h \
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bits/types/struct_osockaddr.h \
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net/if.h \
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sys/socket.h \
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sys/socketvar.h \
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sys/un.h \
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# headers
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routines := \
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accept \
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accept4 \
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bind \
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connect \
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getpeername \
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getsockname \
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getsockopt \
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isfdtype \
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listen \
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opensock \
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recv \
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recvfrom \
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recvmmsg \
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recvmsg \
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send \
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sendmmsg \
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sendmsg \
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sendto \
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setsockopt \
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shutdown \
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sockaddr_un_set \
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sockatmark \
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socket \
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socketpair \
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# routines
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# Exclude fortified routines from being built with _FORTIFY_SOURCE
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routines_no_fortify += \
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recv \
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recvfrom \
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# routines_no_fortify
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tests := \
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tst-accept4 \
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tst-cmsg_cloexec \
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tst-cmsghdr \
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tst-sockopt \
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# tests
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tests-internal := \
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tst-sockaddr_un_set \
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# tests-internal
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tests-time64 := \
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tst-sockopt-time64 \
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# tests
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aux := sa_len
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include ../Rules
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CFLAGS-recv.c += -fexceptions -fasynchronous-unwind-tables $(config-cflags-wno-ignored-attributes)
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CFLAGS-recvfrom.c += -fexceptions -fasynchronous-unwind-tables
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CFLAGS-sendto.c += -fexceptions -fasynchronous-unwind-tables
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CFLAGS-recvmsg.c += -fexceptions -fasynchronous-unwind-tables
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CFLAGS-sendmsg.c += -fexceptions -fasynchronous-unwind-tables $(config-cflags-wno-ignored-attributes)
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CFLAGS-send.c += -fexceptions -fasynchronous-unwind-tables $(config-cflags-wno-ignored-attributes)
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CFLAGS-connect.c += -fexceptions -fasynchronous-unwind-tables $(config-cflags-wno-ignored-attributes)
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CFLAGS-accept.c += -fexceptions -fasynchronous-unwind-tables $(config-cflags-wno-ignored-attributes)
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