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glibc/sysdeps/unix/sysv/linux/Makefile
Michael Jeanson 93d0bfbe8f nptl: Move the rseq area to the 'extra TLS' block 
Move the rseq area to the newly added 'extra TLS' block, this is the
last step in adding support for the rseq extended ABI. The size of the
rseq area is now dynamic and depends on the rseq features reported by
the kernel through the elf auxiliary vector. This will allow
applications to use rseq features past the 32 bytes of the original rseq
ABI as they become available in future kernels.

Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Reviewed-by: Florian Weimer <fweimer@redhat.com>
2025-01-10 20:20:27 +00:00

698 lines
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# Option to pass to Python scripts to set the C compiler. Rewriting
# MODULE_NAME is required to enable the _ISOMAC verbatim header
# environment.
sysdeps-linux-python-cc = \
--cc="$(CC) $(patsubst -DMODULE_NAME=%,-DMODULE_NAME=testsuite,$(CPPFLAGS))"
# Additional dependencies for Python scripts.
sysdeps-linux-python-deps = \
$(..)scripts/glibcextract.py \
$(..)sysdeps/unix/sysv/linux/glibcsyscalls.py \
# sysdeps-linux-python-deps
# Invocation of the Python interpreter with the Python search path.
sysdeps-linux-python = \
PYTHONPATH=$(..)scripts:$(..)sysdeps/unix/sysv/linux $(PYTHON)
ifndef subdir
# This target performs two actions:
#
# Replace <arch-syscall.h> with a file generated from kernel headers
# and <fixup-asm-unistd.h>. Both files are located via the sysdeps
# override search path.
#
# Update sysdeps/unix/sysv/linux/syscall-names.list with additional
# names found in the generated <arch-syscall.h> file, so that the
# global system call names list is a superset of the
# architecture-specific system call names.
#
# To bootstrap a new architecture, create an empty file in the right
# place and run `make update-syscall-lists' from the top-level of a
# configured, but not-yet-built glibc tree.
#
# --lock points to a file not replaced during the update operation, so
# that mutual exclusion is achieved.
.PHONY: update-syscall-lists
update-syscall-lists: arch-syscall.h
$(sysdeps-linux-python) \
sysdeps/unix/sysv/linux/update-syscall-lists.py \
$(sysdeps-linux-python-cc) \
--lock=sysdeps/unix/sysv/linux/update-syscall-lists.py $< \
sysdeps/unix/sysv/linux/syscall-names.list
endif
ifeq ($(subdir),csu)
sysdep_routines += \
errno-loc \
# sysdep_routines
endif
ifeq ($(subdir),assert)
CFLAGS-assert.c += -DFATAL_PREPARE_INCLUDE='<fatal-prepare.h>'
CFLAGS-assert-perr.c += -DFATAL_PREPARE_INCLUDE='<fatal-prepare.h>'
endif
ifeq ($(subdir),malloc)
CFLAGS-malloc.c += -DMORECORE_CLEARS=2
endif
ifeq ($(subdir),misc)
sysdep_routines += \
adjtimex \
clock_adjtime \
clone \
clone-internal \
clone-pidfd-support \
clone3 \
closefrom_fallback \
convert_scm_timestamps \
epoll_create \
epoll_pwait \
epoll_pwait2 \
epoll_wait \
eventfd \
eventfd_read \
eventfd_write \
fanotify_mark \
fxstat \
fxstat64 \
fxstatat \
fxstatat64 \
inotify_init \
lxstat \
lxstat64 \
mlock2 \
mremap \
open_by_handle_at \
personality \
pkey_get \
pkey_mprotect \
pkey_set \
prctl \
prlimit \
prlimit64 \
process_vm_readv \
process_vm_writev \
pselect32 \
readahead \
sched_getattr \
sched_setattr \
setfsgid \
setfsuid \
setvmaname \
signalfd \
splice \
sysctl \
tee \
timerfd_gettime \
timerfd_settime \
umount \
umount2 \
vmsplice \
xmknod \
xmknodat \
xstat \
xstat64 \
# sysdep_routines
CFLAGS-gethostid.c = -fexceptions
CFLAGS-tee.c = -fexceptions -fasynchronous-unwind-tables
CFLAGS-vmsplice.c = -fexceptions -fasynchronous-unwind-tables
CFLAGS-splice.c = -fexceptions -fasynchronous-unwind-tables
CFLAGS-open_by_handle_at.c = -fexceptions -fasynchronous-unwind-tables
CFLAGS-sync_file_range.c = -fexceptions -fasynchronous-unwind-tables
CFLAGS-pselect32.c = -fexceptions -fasynchronous-unwind-tables
CFLAGS-tst-writev.c += "-DARTIFICIAL_LIMIT=(0x80000000-sysconf(_SC_PAGESIZE))"
# The test triggers FORTIFY abortion due to purposely wrong parameters
CFLAGS-test-errno-linux.c += $(no-fortify-source)
sysdep_headers += \
bits/a.out.h \
bits/epoll.h \
bits/eventfd.h \
bits/inotify.h \
bits/mman-linux.h \
bits/mman-map-flags-generic.h \
bits/mman-shared.h \
bits/procfs-extra.h \
bits/procfs-id.h \
bits/procfs-prregset.h \
bits/procfs.h \
bits/pthread_stack_min-dynamic.h \
bits/pthread_stack_min.h \
bits/ptrace-shared.h \
bits/rseq.h \
bits/shmlba.h \
bits/siginfo-arch.h \
bits/siginfo-consts-arch.h \
bits/signalfd.h \
bits/socket_type.h \
bits/struct_stat.h \
bits/struct_stat_time64_helper.h \
bits/syscall.h \
bits/termios-baud.h \
bits/termios-c_cc.h \
bits/termios-c_cflag.h \
bits/termios-c_iflag.h \
bits/termios-c_lflag.h \
bits/termios-c_oflag.h \
bits/termios-misc.h \
bits/termios-struct.h \
bits/termios-tcflow.h \
bits/timerfd.h \
bits/types/struct_msqid64_ds.h \
bits/types/struct_msqid64_ds_helper.h \
bits/types/struct_semid64_ds.h \
bits/types/struct_semid64_ds_helper.h \
bits/types/struct_semid_ds.h \
bits/types/struct_shmid64_ds.h \
bits/types/struct_shmid64_ds_helper.h \
scsi/scsi.h \
scsi/scsi_ioctl.h \
scsi/sg.h \
sys/acct.h \
sys/epoll.h \
sys/eventfd.h \
sys/fanotify.h \
sys/fsuid.h \
sys/inotify.h \
sys/kd.h \
sys/klog.h \
sys/mount.h \
sys/pci.h \
sys/personality.h \
sys/pidfd.h \
sys/prctl.h \
sys/quota.h \
sys/raw.h \
sys/rseq.h \
sys/signalfd.h \
sys/soundcard.h \
sys/timerfd.h \
sys/user.h \
sys/vt.h \
# sysdep_headers
tests += \
test-errno-linux \
tst-adjtimex \
tst-clock_adjtime \
tst-clone \
tst-clone2 \
tst-clone3 \
tst-epoll \
tst-epoll-ioctls \
tst-fanotify \
tst-fdopendir-o_path \
tst-getauxval \
tst-gettid \
tst-gettid-kill \
tst-linux-mremap1 \
tst-memfd_create \
tst-misalign-clone \
tst-mlock2 \
tst-mount \
tst-ntp_adjtime \
tst-ntp_gettime \
tst-ntp_gettimex \
tst-ofdlocks \
tst-personality \
tst-pidfd \
tst-pidfd_getpid \
tst-pkey \
tst-ppoll \
tst-prctl \
tst-process_mrelease \
tst-quota \
tst-rlimit-infinity \
tst-sched-affinity-inheritance \
tst-sched_setattr \
tst-scm_rights \
tst-sigtimedwait \
tst-sync_file_range \
tst-syscall-restart \
tst-sysconf-iov_max \
tst-sysvmsg-linux \
tst-sysvsem-linux \
tst-sysvshm-linux \
tst-tgkill \
tst-timerfd \
tst-ttyname-direct \
tst-ttyname-namespace \
# tests
# process_madvise requires CAP_SYS_ADMIN.
xtests += \
tst-process_madvise \
# xtests
# For +depfiles in Makerules.
extra-test-objs += \
tst-sysconf-iov_max-uapi.o \
# extra-test-objs
# Test for the symbol version of fcntl that was replaced in glibc 2.28.
ifeq ($(have-GLIBC_2.27)$(build-shared),yesyes)
tests += \
tst-ofdlocks-compat \
# tests
endif
tests-internal += \
tst-rseq \
tst-sigcontext-get_pc \
# tests-internal
tests-internal += \
tst-rseq-disable \
# tests-internal
tests-static += \
tst-rseq-disable-static \
tst-rseq-static \
# tests-static
tests-time64 += \
tst-adjtimex-time64 \
tst-clock_adjtime-time64 \
tst-epoll-time64 \
tst-ntp_adjtime-time64 \
tst-ntp_gettime-time64 \
tst-ntp_gettimex-time64 \
tst-ppoll-time64 \
tst-prctl-time64 \
tst-scm_rights-time64 \
tst-sigtimedwait-time64 \
tst-timerfd-time64 \
# tests-time64
tests-clone-internal = \
tst-align-clone-internal \
tst-clone2-internal \
tst-clone3-internal \
tst-getpid1-internal
# tests-clone-internal
tests-internal += \
$(tests-clone-internal) \
# tests-internal
tests-static += \
$(tests-clone-internal) \
# tests-static
CFLAGS-tst-sigcontext-get_pc.c = -fasynchronous-unwind-tables
# Generate the list of SYS_* macros for the system calls (__NR_*
# macros). The file syscall-names.list contains all possible system
# call names, and the generated header file produces SYS_* macros for
# the __NR_* macros which are actually defined.
generated += bits/syscall.h
$(objpfx)bits/syscall.h: \
../sysdeps/unix/sysv/linux/gen-syscall-h.awk \
../sysdeps/unix/sysv/linux/syscall-names.list
$(make-target-directory)
LC_ALL=C $(AWK) -f $^ > $@-tmp
$(move-if-change) $@-tmp $@
before-compile += $(objpfx)bits/syscall.h
# All macros defined by <sys/syscall.h>. Include <bits/syscall.h>
# explicitly because <sys/sycall.h> skips it if _LIBC is defined.
$(objpfx)tst-syscall-list-macros.list: \
$(objpfx)bits/syscall.h ../sysdeps/unix/sysv/linux/sys/syscall.h
printf '#include <linux/version.h>\n\
#include <sys/syscall.h>\n#include <bits/syscall.h>\n' | \
$(CC) -E -o $@-tmp $(CFLAGS) $(CPPFLAGS) -x c - -dM
$(move-if-change) $@-tmp $@
# __NR_* system call names. Used by the test below.
$(objpfx)tst-syscall-list-nr.list: \
../sysdeps/unix/sysv/linux/filter-nr-syscalls.awk \
$(objpfx)tst-syscall-list-macros.list
LC_ALL=C $(AWK) -f $^ > $@-tmp
$(move-if-change) $@-tmp $@
# SYS_* system call names. Used by the test below.
$(objpfx)tst-syscall-list-sys.list: $(objpfx)tst-syscall-list-macros.list
LC_ALL=C $(AWK) '/^#define SYS_/ { print substr($$2, 5) }' $< > $@-tmp
$(move-if-change) $@-tmp $@
tests-special += \
$(objpfx)tst-syscall-list.out
# tests-special
$(objpfx)tst-syscall-list.out: \
../sysdeps/unix/sysv/linux/tst-syscall-list.sh \
$(objpfx)tst-syscall-list-macros.list \
$(objpfx)tst-syscall-list-nr.list \
$(objpfx)tst-syscall-list-sys.list
$(BASH) $^ $(AWK) > $@; $(evaluate-test)
tests-special += \
$(objpfx)tst-glibcsyscalls.out
# tests-special
# arch-syscall.h is located via the sysdeps override search path.
$(objpfx)tst-glibcsyscalls.out: arch-syscall.h \
../sysdeps/unix/sysv/linux/syscall-names.list
$(sysdeps-linux-python) \
../sysdeps/unix/sysv/linux/tst-glibcsyscalls.py \
$(sysdeps-linux-python-cc) $< \
../sysdeps/unix/sysv/linux/syscall-names.list \
< /dev/null > $@ 2>&1; $(evaluate-test)
$(objpfx)tst-glibcsyscalls.out: \
../sysdeps/unix/sysv/linux/tst-glibcsyscalls.py \
$(sysdeps-linux-python-deps)
# Separate object file for access to the constant from the UAPI header.
$(objpfx)tst-sysconf-iov_max: $(objpfx)tst-sysconf-iov_max-uapi.o
tests-special += \
$(objpfx)tst-mman-consts.out \
# tests-special
$(objpfx)tst-mman-consts.out: ../sysdeps/unix/sysv/linux/tst-mman-consts.py
$(sysdeps-linux-python) \
../sysdeps/unix/sysv/linux/tst-mman-consts.py \
$(sysdeps-linux-python-cc) \
< /dev/null > $@ 2>&1; $(evaluate-test)
$(objpfx)tst-mman-consts.out: $(sysdeps-linux-python-deps)
tests-special += \
$(objpfx)tst-pidfd-consts.out \
# tests-special
$(objpfx)tst-pidfd-consts.out: ../sysdeps/unix/sysv/linux/tst-pidfd-consts.py
$(sysdeps-linux-python) \
../sysdeps/unix/sysv/linux/tst-pidfd-consts.py \
$(sysdeps-linux-python-cc) \
< /dev/null > $@ 2>&1; $(evaluate-test)
$(objpfx)tst-pidfd-consts.out: $(sysdeps-linux-python-deps)
tests-special += \
$(objpfx)tst-mount-consts.out \
# tests-special
$(objpfx)tst-mount-consts.out: ../sysdeps/unix/sysv/linux/tst-mount-consts.py
$(sysdeps-linux-python) \
../sysdeps/unix/sysv/linux/tst-mount-consts.py \
$(sysdeps-linux-python-cc) \
< /dev/null > $@ 2>&1; $(evaluate-test)
$(objpfx)tst-mount-consts.out: $(sysdeps-linux-python-deps)
tests-special += \
$(objpfx)tst-mount-compile.out \
# tests-special
$(objpfx)tst-mount-compile.out: ../sysdeps/unix/sysv/linux/tst-mount-compile.py
$(sysdeps-linux-python) \
../sysdeps/unix/sysv/linux/tst-mount-compile.py \
$(sysdeps-linux-python-cc) \
< /dev/null > $@ 2>&1; $(evaluate-test)
$(objpfx)tst-mount-compile.out: $(sysdeps-linux-python-deps)
tests-special += \
$(objpfx)tst-sched-consts.out \
# tests-special
$(objpfx)tst-sched-consts.out: ../sysdeps/unix/sysv/linux/tst-sched-consts.py
$(sysdeps-linux-python) \
../sysdeps/unix/sysv/linux/tst-sched-consts.py \
$(sysdeps-linux-python-cc) \
< /dev/null > $@ 2>&1; $(evaluate-test)
$(objpfx)tst-sched-consts.out: $(sysdeps-linux-python-deps)
tst-rseq-disable-ENV = GLIBC_TUNABLES=glibc.pthread.rseq=0
tst-rseq-disable-static-ENV = GLIBC_TUNABLES=glibc.pthread.rseq=0
endif # $(subdir) == misc
ifeq ($(subdir),time)
sysdep_headers += \
bits/timex.h \
sys/timex.h \
# sysdep_headers
sysdep_routines += \
ntp_gettime \
ntp_gettimex \
# sysdep_routines
tests += \
tst-clock_gettime-clobber \
tst-gettimeofday-clobber \
tst-time-clobber \
# tests
endif
ifeq ($(subdir),signal)
tests-special += \
$(objpfx)tst-signal-numbers.out \
# tests-special
# Depending on signal.o* is a hack. What we actually want is a dependency
# on signal.h and everything it includes. That's impractical to write
# in this context, but signal.c includes signal.h and not much else so it'll
# be conservatively correct.
$(objpfx)tst-signal-numbers.out: \
../sysdeps/unix/sysv/linux/tst-signal-numbers.py \
$(objpfx)signal.o*
$(sysdeps-linux-python) \
../sysdeps/unix/sysv/linux/tst-signal-numbers.py \
$(sysdeps-linux-python-cc) \
< /dev/null > $@ 2>&1; $(evaluate-test)
$(objpfx)tst-signal-numbers.out: $(sysdeps-linux-python-deps)
endif
ifeq ($(subdir),socket)
sysdep_headers += \
bits/socket-constants.h \
net/ethernet.h \
net/if_arp.h \
net/if_packet.h \
net/if_ppp.h \
net/if_shaper.h \
net/if_slip.h \
net/ppp-comp.h \
net/ppp_defs.h \
net/route.h \
# sysdep_headers
sysdep_routines += \
cmsg_nxthdr \
# sysdep_routines
CFLAGS-recvmmsg.c = -fexceptions -fasynchronous-unwind-tables
CFLAGS-sendmmsg.c = -fexceptions -fasynchronous-unwind-tables
tests += \
tst-socket-timestamp \
tst-socket-timestamp-compat \
# tests
tests-time64 += \
tst-socket-timestamp-compat-time64 \
tst-socket-timestamp-time64 \
# tests-time64
tests-special += \
$(objpfx)tst-socket-consts.out \
# tests-special
$(objpfx)tst-socket-consts.out: ../sysdeps/unix/sysv/linux/tst-socket-consts.py
PYTHONPATH=../scripts \
$(PYTHON) ../sysdeps/unix/sysv/linux/tst-socket-consts.py \
--cc="$(CC) $(patsubst -DMODULE_NAME=%, \
-DMODULE_NAME=testsuite, \
$(CPPFLAGS)) -D_ISOMAC" \
< /dev/null > $@ 2>&1; $(evaluate-test)
endif # $(subdir) == socket
ifeq ($(subdir),sunrpc)
sysdep_headers += \
nfs/nfs.h \
# sysdep_headers
endif
ifeq ($(subdir),termios)
sysdep_headers += \
termio.h \
# sysdep_headers
endif
ifeq ($(subdir),posix)
sysdep_headers += \
bits/initspin.h \
# sysdep_headers
sysdep_routines += \
getcpu \
oldglob \
pidfd_getpid \
pidfd_spawn \
pidfd_spawnp \
procutils \
sched_getcpu \
spawnattr_getcgroup_np \
spawnattr_setcgroup_np \
# sysdep_routines
tests += \
tst-affinity \
tst-affinity-pid \
tst-posix_spawn-setsid-pidfd \
tst-spawn-cgroup \
tst-spawn-chdir-pidfd \
tst-spawn-pidfd \
tst-spawn2-pidfd \
tst-spawn3-pidfd \
tst-spawn4-pidfd \
tst-spawn5-pidfd \
tst-spawn6-pidfd \
tst-spawn7-pidfd \
# tests
tests-static += \
tst-affinity-static \
# tests-static
tests += \
$(tests-static) \
# tests
CFLAGS-fork.c = $(libio-mtsafe)
CFLAGS-getpid.o = -fomit-frame-pointer
CFLAGS-getpid.os = -fomit-frame-pointer
CFLAGS-tst-spawn3-pidfd.c += -DOBJPFX=\"$(objpfx)\"
tst-spawn-cgroup-ARGS = -- $(host-test-program-cmd)
tst-spawn-pidfd-ARGS = -- $(host-test-program-cmd)
tst-spawn5-pidfd-ARGS = -- $(host-test-program-cmd)
tst-spawn6-pidfd-ARGS = -- $(host-test-program-cmd)
tst-spawn7-pidfd-ARGS = -- $(host-test-program-cmd)
tst-posix_spawn-setsid-pidfd-ARGS = -- $(host-test-program-cmd)
endif
ifeq ($(subdir),inet)
sysdep_headers += \
netash/ash.h \
netatalk/at.h \
netax25/ax25.h \
neteconet/ec.h \
netinet/if_fddi.h \
netinet/if_tr.h \
netipx/ipx.h \
netiucv/iucv.h \
netpacket/packet.h \
netrom/netrom.h \
netrose/rose.h \
# sysdep_headers
sysdep_routines += \
netlink_assert_response \
# sysdep_routines
CFLAGS-check_pf.c += -fexceptions
endif
# Don't compile the ctype glue code, since there is no old non-GNU C library.
inhibit-glue = yes
ifeq ($(subdir),dirent)
sysdep_routines += \
getdirentries \
getdirentries64 \
# sysdep_routines
tests += \
tst-getdents64 \
tst-readdir64-compat \
# tests
endif # $(subdir) == dirent
ifeq ($(subdir),nis)
CFLAGS-ypclnt.c = -DUSE_BINDINGDIR=1
endif
ifeq ($(subdir),io)
sysdep_routines += \
close_nocancel \
fallocate \
fallocate64 \
fcntl_nocancel \
internal_statvfs \
open64_nocancel \
open_nocancel \
openat64_nocancel \
openat_nocancel \
pread64_nocancel \
read_nocancel \
stat_t64_cp \
statx_cp \
sync_file_range \
write_nocancel \
xstatconv \
# sysdep_routines
sysdep_headers += \
bits/fcntl-linux.h \
# sysdep_headers
tests += \
tst-fallocate \
tst-fallocate64 \
tst-getcwd-smallbuff \
tst-o_path-locks \
# tests
endif
ifeq ($(subdir),elf)
dl-routines += \
dl-rseq-symbols \
# dl-routines
sysdep-rtld-routines += \
dl-brk \
dl-getcwd \
dl-openat64 \
dl-opendir \
dl-sbrk \
# sysdep-rtld-routines
others += \
pldd \
# others
install-bin += \
pldd \
# install-bin
$(objpfx)pldd: $(objpfx)xmalloc.o
test-internal-extras += tst-nolink-libc
ifeq ($(run-built-tests),yes)
tests-special += \
$(objpfx)tst-nolink-libc-1.out \
$(objpfx)tst-nolink-libc-2.out \
# tests-special
endif
endif # $(subdir) == elf
ifeq ($(subdir),rt)
CFLAGS-mq_send.c += -fexceptions
CFLAGS-mq_receive.c += -fexceptions
endif
ifeq ($(subdir),nscd)
sysdep-CFLAGS += -DHAVE_EPOLL -DHAVE_INOTIFY -DHAVE_NETLINK
CFLAGS-gai.c += -DNEED_NETLINK
endif
ifeq ($(subdir),nptl)
tests += \
tst-align-clone \
tst-getpid1 \
tst-sem_getvalue-affinity \
# tests
# tst-rseq-nptl is an internal test because it requires a definition of
# __NR_rseq from the internal system call list.
tests-internal += \
tst-rseq-nptl \
# tests-internal
tests-static += \
tst-rseq-nptl-static \
# tests-static
endif
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