glibc/signal/Makefile
Joseph Myers 352bb99754 Build raise with -fasynchronous-unwind-tables.
In testing glibc for Arm and MIPS, I see:

FAIL: misc/tst-sigcontext-get_pc

If this test - backtracing through a call to raise - is valid, then
raise needs to be built with -fasynchronous-unwind-tables (as the test
itself is) to have the required unwind information for that
backtracing to work.  Adding that option, which this patch does,
causes the test for pass for Arm.  For MIPS, the test still does not
pass (the backtrace has an address that is 2 bytes after the "address
in signal handler", for unknown reasons), although the patch allows a
longer backtrace to be produced.
2020-01-24 17:23:47 +00:00

71 lines
2.6 KiB
Makefile

# Copyright (C) 1991-2020 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
# The GNU C Library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public
# License along with the GNU C Library; if not, see
# <https://www.gnu.org/licenses/>.
#
# Makefile for signal routines.
#
subdir := signal
include ../Makeconfig
headers := signal.h sys/signal.h \
bits/signum.h bits/signum-generic.h \
bits/sigcontext.h bits/sigaction.h \
bits/sigevent-consts.h bits/siginfo-consts.h \
bits/sigstack.h bits/sigthread.h bits/ss_flags.h \
bits/types/__sigset_t.h bits/types/sig_atomic_t.h \
bits/types/sigevent_t.h bits/types/siginfo_t.h \
bits/types/sigset_t.h bits/types/sigval_t.h \
bits/types/stack_t.h bits/types/struct_sigstack.h \
bits/types/__sigval_t.h bits/signal_ext.h
routines := signal raise killpg \
sigaction sigprocmask kill \
sigpending sigsuspend sigwait \
sigblock sigsetmask sigpause sigvec \
sigstack sigaltstack sigintr \
sigsetops sigempty sigfillset sigaddset sigdelset sigismem \
sigreturn \
siggetmask sysv_signal \
sigisempty sigandset sigorset \
allocrtsig sigtimedwait sigwaitinfo sigqueue \
sighold sigrelse sigignore sigset
tests := tst-signal tst-sigset tst-sigsimple tst-raise tst-sigset2 \
tst-sigwait-eintr tst-sigaction \
tst-minsigstksz-1 tst-minsigstksz-2 tst-minsigstksz-3 \
tst-minsigstksz-3a tst-minsigstksz-4 \
include ../Rules
CFLAGS-raise.c += -fasynchronous-unwind-tables
CFLAGS-sigpause.c += -fexceptions
CFLAGS-sigsuspend.c += -fexceptions -fasynchronous-unwind-tables
CFLAGS-sigtimedwait.c += -fexceptions -fasynchronous-unwind-tables
CFLAGS-sigwait.c += -fexceptions -fasynchronous-unwind-tables
CFLAGS-sigwaitinfo.c += -fexceptions -fasynchronous-unwind-tables
CFLAGS-sigreturn.c += $(no-stack-protector)
# We don't want to test the lazy resolution stack usage, just the
# execution of the handler and the functions.
LDFLAGS-tst-minsigstksz-1 = -Wl,-z,now
LDFLAGS-tst-minsigstksz-2 = -Wl,-z,now
LDFLAGS-tst-minsigstksz-3 = -Wl,-z,now
LDFLAGS-tst-minsigstksz-3a = -Wl,-z,now
LDFLAGS-tst-minsigstksz-4 = -Wl,-z,now