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ef1013795c
strace/configure.ac
Elvira Khabirova ba8e768a80 Implement delay injection 
Add -e inject=SET:delay_enter= and -e inject=SET:delay_exit= options.

* configure.ac (AC_SEARCH_LIBS): Check for timer_create -lrt.
* delay.c: New file.
* Makefile.am (strace_SOURCES): Add it.
(strace_LDADD): Add $(timer_LIBS).
* defs.h (INJECT_F_DELAY_ENTER, INJECT_F_DELAY_EXIT,
TCB_INJECT_DELAY_EXIT, TCB_DELAYED, inject_delay_exit, syscall_delayed):
New macros.
(alloc_delay_data, fill_delay_data, is_delay_timer_created,
arm_delay_timer, delay_tcb): New prototypes.
(struct inject_data): Replace reserved field with delay_idx.
(struct tcb): Add delay_expiration_time field.
* filter_qualify.c (parse_delay_token): New function.
(parse_inject_token): Use it.
(qualify_inject_common): Initialize struct inject_opts.data.delay_idx.
* strace.c: Include <setjmp.h>
(timer_jmp_buf, timer_set): New static variables.
(timer_sighandler, restart_delayed_tcb, restart_delayed_tcbs): New
functions.
(init): Block SIGALRM, set SIGALRM handler.
(dispatch_event): Do not restart delayed syscalls.
(next_event): Unblock SIGALRM during wait4 invocation.
* syscall.c (tamper_with_syscall_entering): Arm delay timer if
INJECT_F_DELAY_ENTER injection flag is set, set TCB_INJECT_DELAY_EXIT
flag if INJECT_F_DELAY_EXIT injection flag is set.
tamper_with_syscall_exiting): Arm delay timer if inject_delay_exit.
(syscall_exiting_trace): Call tamper_with_syscall_exiting in case of
inject_delay_exit.
(syscall_exiting_finish): Clear TCB_INJECT_DELAY_EXIT flag.
* strace.1.in: Document delay injection.
* NEWS: Mention this improvement.

Co-Authored-by: Dmitry V. Levin <ldv@altlinux.org>
2018-03-22 06:23:25 +00:00

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# Configure template for strace.
#
# Copyright (c) 1999-2001 Wichert Akkerman <wichert@deephackmode.org>
# Copyright (c) 2002-2009 Roland McGrath <roland@redhat.com>
# Copyright (c) 2006-2016 Dmitry V. Levin <ldv@altlinux.org>
# Copyright (c) 2008-2015 Mike Frysinger <vapier@gentoo.org>
# Copyright (c) 2015 Elvira Khabirova <lineprinter0@gmail.com>
# Copyright (c) 2002-2018 The strace developers.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AC_PREREQ(2.57)
AC_INIT([strace],
m4_esyscmd([./git-version-gen .tarball-version]),
[strace-devel@lists.strace.io],
[strace],
[https://strace.io])
m4_define([copyright_year], m4_esyscmd([./copyright-year-gen .year]))
m4_define([manpage_date], m4_esyscmd([./file-date-gen strace.1.in]))
AC_COPYRIGHT([Copyright (c) 1999-]copyright_year[ The strace developers.])
AC_CONFIG_SRCDIR([strace.c])
AC_CONFIG_AUX_DIR([.])
AC_CONFIG_HEADERS([config.h])
AM_INIT_AUTOMAKE([foreign nostdinc dist-xz silent-rules parallel-tests 1.13])
AM_MAINTAINER_MODE
AC_CANONICAL_HOST
RPM_CHANGELOGTIME="$(LC_TIME=C date '+%a %b %d %Y')"
AC_SUBST(RPM_CHANGELOGTIME)
DEB_CHANGELOGTIME="$(LC_TIME=C date -R)"
AC_SUBST(DEB_CHANGELOGTIME)
AC_PROG_CC
AC_PROG_CC_STDC
AC_PROG_CPP
st_WARN_CFLAGS
AX_PROG_CC_FOR_BUILD
AC_PROG_INSTALL
AC_PROG_RANLIB
AC_USE_SYSTEM_EXTENSIONS
AX_CODE_COVERAGE
AC_DEFINE([COPYRIGHT_YEAR], "[copyright_year]", [Current copyright year.])
AC_SUBST([COPYRIGHT_YEAR], [copyright_year])
AC_DEFINE([MANPAGE_DATE], "[manpage_date]", [Date])
AC_SUBST([MANPAGE_DATE], [manpage_date])
AC_MSG_CHECKING([for supported architecture])
arch_m32=
arch_mx32=
cc_flags_m32=-m32
cc_flags_mx32=-mx32
case "$host_cpu" in
aarch64*)
arch=aarch64
arch_m32=arm
AC_DEFINE([AARCH64], 1, [Define for the AArch64 architecture.])
;;
alpha*)
arch=alpha
AC_DEFINE([ALPHA], 1, [Define for the Alpha architecture.])
;;
arc*)
arch=arc
AC_DEFINE([ARC], 1, [Define for the ARC architecture.])
;;
arm*)
arch=arm
AC_DEFINE([ARM], 1, [Define for the ARM architecture.])
;;
avr32*)
arch=avr32
AC_DEFINE([AVR32], 1, [Define for the AVR32 architecture.])
;;
bfin)
arch=bfin
AC_DEFINE([BFIN], 1, [Define for the Blackfin architecture.])
;;
hppa*|parisc*)
arch=hppa
AC_DEFINE([HPPA], 1, [Define for the HPPA architecture.])
;;
i[[3456]]86|pentium)
arch=i386
AC_DEFINE([I386], 1, [Define for the i386 architecture.])
;;
ia64)
arch=ia64
AC_DEFINE([IA64], 1, [Define for the IA64 architecture.])
;;
m68k)
arch=m68k
AC_DEFINE([M68K], 1, [Define for the m68k architecture.])
;;
metag*)
arch=metag
AC_DEFINE([METAG], 1, [Define for the Meta architecture.])
;;
microblaze*)
arch=microblaze
AC_DEFINE([MICROBLAZE], 1, [Define for the MicroBlaze architecture.])
;;
mips*)
arch=mips
AC_DEFINE([MIPS], 1, [Define for the MIPS architecture.])
;;
nios2*)
arch=nios2
AC_DEFINE([NIOS2], 1, [Define for the Nios-II architecture.])
;;
or1k*)
arch=or1k
AC_DEFINE([OR1K], 1, [Define for the OpenRISC 1000 architecture.])
;;
powerpc*)
AC_DEFINE([POWERPC], 1, [Define for the PowerPC architecture.])
AC_TRY_COMPILE(
[#ifndef __LP64__
# error 32 bit
#endif], [], arch=powerpc64, arch=powerpc)
if test "$arch" = "powerpc64"; then
arch_m32=powerpc
AC_DEFINE([POWERPC64], 1, [Define for the PowerPC64 architecture.])
fi
;;
riscv*)
arch=riscv
AC_DEFINE([RISCV], 1, [Define for the RISC-V architecture])
;;
s390)
arch=s390
AC_DEFINE([S390], 1, [Define for the S390 architecture.])
;;
s390x)
arch=s390x
arch_m32=s390
cc_flags_m32=-m31
AC_DEFINE([S390X], 1, [Define for the S390x architecture.])
;;
sh64*)
arch=sh64
AC_DEFINE([SH64], 1, [Define for the SH64 architecture.])
;;
sh*)
arch=sh
AC_DEFINE([SH], 1, [Define for the SH architecture.])
;;
sparc64*)
arch=sparc64
arch_m32=sparc
AC_DEFINE([SPARC64], 1, [Define for the SPARC64 architecture.])
;;
sparc*)
arch=sparc
AC_DEFINE([SPARC], 1, [Define for the SPARC architecture.])
;;
tile*)
arch=tile
AC_DEFINE([TILE], 1, [Define for the Tile architecture])
;;
x86?64*)
arch_m32=i386
AC_TRY_COMPILE(
[#ifndef __ILP32__
# error not x32
#endif], [], arch=x32, arch=x86_64)
if test "$arch" = "x86_64"; then
arch_mx32=x32
AC_DEFINE([X86_64], 1, [Define for the 64bit AMD x86-64 architecture.])
else
AC_DEFINE([X32], 1, [Define for the 32bit AMD x86-64 architecture.])
fi
;;
xtensa*)
arch=xtensa
AC_DEFINE([XTENSA], 1, [Define for the Xtensa architecture])
;;
*)
AC_MSG_RESULT([NO!])
AC_MSG_ERROR([architecture $host_cpu is not supported by strace])
;;
esac
AC_MSG_RESULT($arch)
arch_native=$arch
test -n "$arch_m32" ||
arch_m32=$arch
test -n "$arch_mx32" ||
arch_mx32=$arch
AC_SUBST(arch)
AC_SUBST(arch_m32)
AC_SUBST(arch_mx32)
AC_SUBST(cc_flags_m32)
AC_SUBST(cc_flags_mx32)
AC_SUBST(arch_native)
MIPS_ABI=
if test "$arch" = mips; then
AC_CACHE_CHECK([for _MIPS_SIM], [st_cv__MIPS_SIM],
[AC_COMPUTE_INT([st_cv__MIPS_SIM], [_MIPS_SIM], ,
[AC_MSG_FAILURE([_MIPS_SIM cannot be determined])])])
# requires GCC >= 3.4
AC_CACHE_CHECK([for MIPS ABI], [st_cv_mips_abi],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(, [[int i[_MIPS_SIM == _ABIO32 ? 1 : - 1];]])],
[st_cv_mips_abi=o32],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(, [[int i[_MIPS_SIM == _ABIN32 ? 1 : - 1];]])],
[st_cv_mips_abi=n32],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(, [[int i[_MIPS_SIM == _ABI64 ? 1 : - 1];]])],
[st_cv_mips_abi=n64],
[st_cv_mips_abi=unknown])])])])
case "$st_cv_mips_abi" in
o32) AC_DEFINE([LINUX_MIPSO32], [1], [Define for _ABIO32.]);;
n32) AC_DEFINE([LINUX_MIPSN32], [1], [Define for _ABIN32.]);;
n64) AC_DEFINE([LINUX_MIPSN64], [1], [Define for _ABI64.]);;
*) AC_MSG_ERROR([Unsupported _MIPS_SIM]);;
esac
MIPS_ABI="$st_cv_mips_abi"
fi
AC_SUBST(MIPS_ABI)
AC_ARG_ENABLE([arm-oabi],
[AS_HELP_STRING([--enable-arm-oabi],
[enable OABI support on ARM EABI])],
[], [enable_arm_oabi=no])
case "$enable_arm_oabi" in
yes) enable_arm_oabi=1 ;;
no) enable_arm_oabi=0 ;;
*) AC_MSG_ERROR([bad value $enable_arm_oabi for arm-oabi option]) ;;
esac
AC_DEFINE_UNQUOTED([ENABLE_ARM_OABI], [$enable_arm_oabi],
[Define to 1 if you want OABI support on ARM EABI.])
AC_C_BIGENDIAN
AC_C_TYPEOF
AC_TYPE_UID_T
AC_CHECK_FUNCS(m4_normalize([
accept4
be64toh
fallocate
fanotify_mark
fopen64
fork
fputs_unlocked
fstatat
ftruncate
futimens
iconv_open
if_indextoname
open64
prctl
preadv
process_vm_readv
pwritev
readahead
signalfd
stpcpy
strerror
strndup
strsignal
sync_file_range
utimensat
]))
AC_CHECK_TYPES([sig_atomic_t, struct sigcontext],,, [#include <signal.h>])
AC_CHECK_TYPES([struct mmsghdr],,, [#include <sys/socket.h>])
AC_CHECK_TYPES([__kernel_long_t, __kernel_ulong_t],,,
[#include <asm/posix_types.h>])
AC_CHECK_TYPES([struct stat64, struct __old_kernel_stat],,,
[#include <sys/types.h>
#include <asm/stat.h>])
AC_CHECK_TYPES([struct user_desc],
[AC_CHECK_MEMBERS([struct user_desc.lm],,,
[#include <asm/ldt.h>])],,
[#include <asm/ldt.h>])
AC_CHECK_MEMBERS([struct stat.st_mtime_nsec, struct stat64.st_mtime_nsec],,,
[#include <sys/types.h>
#include <asm/stat.h>])
AC_CHECK_TYPES(m4_normalize([
struct pt_all_user_regs,
struct ia64_fpreg,
struct ptrace_peeksiginfo_args
]),,, [#include <sys/ptrace.h>])
AC_CHECK_TYPES(m4_normalize([
struct flock,
struct flock64,
struct __kernel_flock,
struct __kernel_flock64
]),,,
[#include <sys/types.h>
#include <linux/fcntl.h>])
AC_CHECK_TYPES(m4_normalize([
struct crypto_report_aead,
struct crypto_report_blkcipher,
struct crypto_report_cipher,
struct crypto_report_hash,
struct crypto_report_rng
]),,, [#include <linux/cryptouser.h>])
AC_CHECK_TYPES(m4_normalize([
struct kcmp_epoll_slot
]),,, [#include <linux/kcmp.h>])
AC_CHECK_TYPES(m4_normalize([
struct keyctl_kdf_params
]),,, [#include <linux/keyctl.h>])
AC_CHECK_MEMBERS([struct timex.tai],,, [#include <sys/timex.h>])
AC_CHECK_MEMBERS([struct utsname.domainname],,, [#include <sys/utsname.h>])
AC_CHECK_MEMBERS(m4_normalize([
siginfo_t.si_syscall,
siginfo_t.si_timerid,
siginfo_t.si_overrun
]),,, [#include <signal.h>])
AC_CHECK_MEMBERS(m4_normalize([
struct perf_event_attr.precise_ip,
struct perf_event_attr.mmap_data,
struct perf_event_attr.sample_id_all,
struct perf_event_attr.exclude_host,
struct perf_event_attr.exclude_guest,
struct perf_event_attr.exclude_callchain_kernel,
struct perf_event_attr.exclude_callchain_user,
struct perf_event_attr.mmap2,
struct perf_event_attr.comm_exec,
struct perf_event_attr.use_clockid,
struct perf_event_attr.context_switch,
struct perf_event_attr.write_backward,
struct perf_event_attr.namespaces,
struct perf_event_attr.bp_type,
struct perf_event_attr.config1,
struct perf_event_attr.config2,
struct perf_event_attr.branch_sample_type,
struct perf_event_attr.sample_regs_user,
struct perf_event_attr.sample_stack_user,
struct perf_event_attr.sample_regs_intr,
struct perf_event_attr.aux_watermark,
struct perf_event_attr.sample_max_stack
]),,, [#include <linux/perf_event.h>])
AC_CHECK_HEADERS(m4_normalize([
asm/cachectl.h
asm/guarded_storage.h
asm/sysmips.h
bluetooth/bluetooth.h
elf.h
iconv.h
inttypes.h
linux/bsg.h
linux/cryptouser.h
linux/dm-ioctl.h
linux/dqblk_xfs.h
linux/falloc.h
linux/fib_rules.h
linux/fiemap.h
linux/genetlink.h
linux/hiddev.h
linux/if_addr.h
linux/if_link.h
linux/ip_vs.h
linux/ipc.h
linux/kcmp.h
linux/kvm.h
linux/memfd.h
linux/mmtimer.h
linux/msg.h
linux/neighbour.h
linux/netfilter/ipset/ip_set.h
linux/netfilter/nf_tables.h
linux/netfilter/nf_tables_compat.h
linux/netfilter/nfnetlink.h
linux/netfilter/nfnetlink_acct.h
linux/netfilter/nfnetlink_conntrack.h
linux/netfilter/nfnetlink_cthelper.h
linux/netfilter/nfnetlink_cttimeout.h
linux/netfilter/nfnetlink_log.h
linux/netfilter/nfnetlink_queue.h
linux/nsfs.h
linux/perf_event.h
linux/quota.h
linux/seccomp.h
linux/securebits.h
linux/sem.h
linux/shm.h
linux/userfaultfd.h
linux/utsname.h
mqueue.h
netinet/sctp.h
netipx/ipx.h
paths.h
scsi/sg.h
stropts.h
sys/conf.h
sys/eventfd.h
sys/fanotify.h
sys/ipc.h
sys/msg.h
sys/quota.h
sys/sem.h
sys/shm.h
sys/signalfd.h
sys/xattr.h
ustat.h
]))
AC_CHECK_HEADERS([asm/sigcontext.h],,, [#include <signal.h>])
AC_CHECK_HEADERS([netinet/tcp.h netinet/udp.h],,, [#include <netinet/in.h>])
AC_CHECK_HEADERS([linux/mqueue.h],,, [#include <linux/types.h>])
AC_CHECK_HEADERS([linux/netfilter/xt_osf.h],,, [#include <linux/ip.h>
#include <linux/tcp.h>])
AC_CHECK_HEADERS(m4_normalize([
linux/netfilter_arp/arp_tables.h
linux/netfilter_bridge/ebtables.h
linux/netfilter_ipv4/ip_tables.h
linux/netfilter_ipv6/ip6_tables.h
]),,, [#include <netinet/in.h>
#include <net/if.h>])
AC_CHECK_HEADERS([linux/input.h], [
AC_CHECK_MEMBERS([struct input_absinfo.resolution],,, [#include <linux/input.h>])
])
AC_CHECK_HEADERS([linux/bpf.h], [
AC_CHECK_MEMBERS(m4_normalize([
union bpf_attr.attach_flags,
union bpf_attr.bpf_fd,
union bpf_attr.flags,
union bpf_attr.info.info,
union bpf_attr.next_id,
union bpf_attr.numa_node,
union bpf_attr.prog_flags,
union bpf_attr.test.duration
]),,, [#include <linux/bpf.h>])
])
AC_CHECK_TYPES(m4_normalize([
struct br_mdb_entry,
struct br_port_msg
]),,, [#include <linux/if_bridge.h>])
AC_CHECK_MEMBERS(m4_normalize([
struct br_mdb_entry.flags,
struct br_mdb_entry.vid
]),,, [#include <linux/if_bridge.h>])
AC_CHECK_TYPES([struct dcbmsg],,, [#include <linux/dcbnl.h>])
AC_CHECK_TYPES([struct ifaddrlblmsg],,, [#include <linux/if_addrlabel.h>])
AC_CHECK_TYPES([struct netconfmsg],,, [#include <linux/netconf.h>])
AC_CHECK_TYPES(m4_normalize([
struct rta_mfc_stats,
struct rtvia
]),,, [#include <linux/rtnetlink.h>])
AC_CHECK_MEMBERS([struct ndt_stats.ndts_table_fulls],,, [#include <linux/neighbour.h>])
AC_CHECK_TYPES(m4_normalize([
struct ndt_config,
struct ndt_stats
]),,, [#include <linux/neighbour.h>])
AC_CHECK_TYPES(m4_normalize([
struct ifla_bridge_id,
struct ifla_port_vsi,
struct rtnl_link_stats64
]),,, [#include <linux/if_link.h>])
AC_CHECK_MEMBERS(m4_normalize([
struct rtnl_link_stats.rx_nohandler,
struct rtnl_link_stats64.rx_nohandler
]),,, [#include <linux/if_link.h>])
AC_CHECK_TYPES(m4_normalize([
struct gnet_stats_basic,
struct gnet_stats_queue,
struct gnet_stats_rate_est,
struct gnet_stats_rate_est64
]),,, [#include <linux/gen_stats.h>])
AC_CHECK_TYPES([struct tc_sizespec],,, [#include <linux/pkt_sched.h>])
AC_CHECK_TYPES([struct fib_rule_uid_range],,, [#include <linux/fib_rules.h>])
AC_CHECK_TYPES([struct statfs], [
AC_CHECK_MEMBERS(m4_normalize([
struct statfs.f_frsize,
struct statfs.f_flags,
struct statfs.f_fsid.val,
struct statfs.f_fsid.__val
]),,, [#include <linux/types.h>
#include <asm/statfs.h>])
],, [#include <linux/types.h>
#include <asm/statfs.h>])
AC_CHECK_TYPES([struct statfs64], [
AC_CHECK_MEMBERS(m4_normalize([
struct statfs64.f_frsize,
struct statfs64.f_flags,
struct statfs64.f_fsid.val,
struct statfs64.f_fsid.__val
]),,, [#include <linux/types.h>
#include <asm/statfs.h>])
],, [#include <linux/types.h>
#include <asm/statfs.h>])
AC_CHECK_TYPES([struct blk_user_trace_setup],,, [#include <linux/blktrace_api.h>])
AC_CHECK_TYPES([struct mtd_write_req],,, [#include <mtd/mtd-abi.h>])
AC_CHECK_MEMBERS([struct ubi_attach_req.max_beb_per1024],,, [#include <mtd/ubi-user.h>])
AC_CHECK_TYPES(m4_normalize([
struct ptp_sys_offset
]),,, [#include <linux/ptp_clock.h>])
AC_CHECK_TYPES(m4_normalize([
struct kvm_regs,
struct kvm_sregs,
struct kvm_userspace_memory_region
]),,, [#include <linux/kvm.h>])
AC_CHECK_HEADERS([linux/btrfs.h], [
AC_CHECK_MEMBERS(m4_normalize([
struct btrfs_ioctl_feature_flags.compat_flags,
struct btrfs_ioctl_fs_info_args.nodesize,
struct btrfs_ioctl_defrag_range_args.start,
struct btrfs_ioctl_search_args_v2.buf_size,
struct btrfs_ioctl_logical_ino_args.flags
]),,, [ #include <stdio.h>
#include <linux/btrfs.h>])
AC_CHECK_DECLS(m4_normalize([BTRFS_COMPRESS_NONE, BTRFS_COMPRESS_ZLIB,
BTRFS_COMPRESS_LZO]),,,[ #include <stdio.h>
#include <linux/btrfs.h>])])
AC_CHECK_DECLS([sys_errlist])
AC_CHECK_DECLS(m4_normalize([
PTRACE_PEEKUSER,
PTRACE_POKEUSER
]),,, [#include <sys/ptrace.h>])
AC_CHECK_DECLS(m4_normalize([
P_PID,
P_PPID,
P_PGID,
P_SID,
P_CID,
P_UID,
P_GID,
P_ALL,
P_LWPID
]),,, [#include <sys/wait.h>])
AC_CHECK_DECLS(m4_normalize([
LO_FLAGS_READ_ONLY,
LO_FLAGS_USE_AOPS,
LO_FLAGS_AUTOCLEAR,
LO_FLAGS_PARTSCAN,
LO_FLAGS_DIRECT_IO
]),,, [#include <linux/loop.h>])
AC_CHECK_DECLS(m4_normalize([
CTL_PROC,
CTL_ARLAN,
CTL_S390DBF,
CTL_SUNRPC,
CTL_PM,
CTL_FRV,
KERN_PRINTK_RATELIMIT,
KERN_PRINTK_RATELIMIT_BURST,
KERN_PTY,
KERN_NGROUPS_MAX,
KERN_SPARC_SCONS_PWROFF,
KERN_HZ_TIMER,
KERN_UNKNOWN_NMI_PANIC,
KERN_BOOTLOADER_TYPE,
KERN_RANDOMIZE,
KERN_SETUID_DUMPABLE,
KERN_SPIN_RETRY,
KERN_ACPI_VIDEO_FLAGS,
KERN_IA64_UNALIGNED,
KERN_COMPAT_LOG,
KERN_MAX_LOCK_DEPTH,
KERN_NMI_WATCHDOG,
KERN_PANIC_ON_NMI,
NET_LLC,
NET_NETFILTER,
NET_DCCP,
NET_IRDA,
NET_CORE_DESTROY_DELAY,
NET_CORE_BUDGET,
NET_CORE_AEVENT_ETIME,
NET_CORE_AEVENT_RSEQTH,
NET_CORE_WARNINGS,
NET_IPV4_IGMP_MAX_MSF,
NET_TCP_NO_METRICS_SAVE,
NET_TCP_DEFAULT_WIN_SCALE,
NET_TCP_MODERATE_RCVBUF,
NET_TCP_TSO_WIN_DIVISOR,
NET_TCP_BIC_BETA,
NET_IPV4_ICMP_ERRORS_USE_INBOUND_IFADDR,
NET_TCP_CONG_CONTROL,
NET_TCP_ABC,
NET_IPV4_IPFRAG_MAX_DIST,
NET_TCP_MTU_PROBING,
NET_TCP_BASE_MSS,
NET_IPV4_TCP_WORKAROUND_SIGNED_WINDOWS,
NET_TCP_DMA_COPYBREAK,
NET_TCP_SLOW_START_AFTER_IDLE,
NET_CIPSOV4_CACHE_ENABLE,
NET_CIPSOV4_CACHE_BUCKET_SIZE,
NET_CIPSOV4_RBM_OPTFMT,
NET_CIPSOV4_RBM_STRICTVALID,
NET_TCP_AVAIL_CONG_CONTROL,
NET_TCP_ALLOWED_CONG_CONTROL,
NET_TCP_MAX_SSTHRESH,
NET_TCP_FRTO_RESPONSE,
NET_IPV4_ROUTE_GC_MIN_INTERVAL_MS,
NET_IPV4_CONF_FORCE_IGMP_VERSION,
NET_IPV4_CONF_ARP_ANNOUNCE,
NET_IPV4_CONF_ARP_IGNORE,
NET_IPV4_CONF_PROMOTE_SECONDARIES,
NET_IPV4_CONF_ARP_ACCEPT,
NET_IPV4_CONF_ARP_NOTIFY,
NET_IPV6_MLD_MAX_MSF,
NET_IPV6_ROUTE_GC_MIN_INTERVAL_MS,
VM_MAX_MAP_COUNT,
VM_LAPTOP_MODE,
VM_BLOCK_DUMP,
VM_HUGETLB_GROUP,
VM_VFS_CACHE_PRESSURE,
VM_LEGACY_VA_LAYOUT,
VM_SWAP_TOKEN_TIMEOUT
]),,,
[#include <sys/types.h>
#include <linux/sysctl.h>])
AC_CHECK_DECLS(m4_normalize([
V4L2_FIELD_ANY,
V4L2_FIELD_NONE,
V4L2_FIELD_TOP,
V4L2_FIELD_BOTTOM,
V4L2_FIELD_INTERLACED,
V4L2_FIELD_SEQ_TB,
V4L2_FIELD_SEQ_BT,
V4L2_FIELD_ALTERNATE,
V4L2_FIELD_INTERLACED_TB,
V4L2_FIELD_INTERLACED_BT,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE,
V4L2_BUF_TYPE_VIDEO_OUTPUT,
V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE,
V4L2_BUF_TYPE_VIDEO_OVERLAY,
V4L2_BUF_TYPE_VBI_CAPTURE,
V4L2_BUF_TYPE_VBI_OUTPUT,
V4L2_BUF_TYPE_SLICED_VBI_CAPTURE,
V4L2_BUF_TYPE_SLICED_VBI_OUTPUT,
V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY,
V4L2_BUF_TYPE_SDR_CAPTURE,
V4L2_BUF_TYPE_SDR_OUTPUT,
V4L2_TUNER_RADIO,
V4L2_TUNER_ANALOG_TV,
V4L2_TUNER_DIGITAL_TV,
V4L2_MEMORY_MMAP,
V4L2_MEMORY_USERPTR,
V4L2_MEMORY_OVERLAY,
V4L2_MEMORY_DMABUF,
V4L2_COLORSPACE_SMPTE170M,
V4L2_COLORSPACE_SMPTE240M,
V4L2_COLORSPACE_REC709,
V4L2_COLORSPACE_BT878,
V4L2_COLORSPACE_470_SYSTEM_M,
V4L2_COLORSPACE_470_SYSTEM_BG,
V4L2_COLORSPACE_JPEG,
V4L2_COLORSPACE_SRGB,
V4L2_PRIORITY_UNSET,
V4L2_PRIORITY_BACKGROUND,
V4L2_PRIORITY_INTERACTIVE,
V4L2_PRIORITY_RECORD,
V4L2_FRMSIZE_TYPE_DISCRETE,
V4L2_FRMSIZE_TYPE_CONTINUOUS,
V4L2_FRMSIZE_TYPE_STEPWISE,
V4L2_FRMIVAL_TYPE_DISCRETE,
V4L2_FRMIVAL_TYPE_CONTINUOUS,
V4L2_FRMIVAL_TYPE_STEPWISE,
V4L2_CTRL_TYPE_INTEGER,
V4L2_CTRL_TYPE_BOOLEAN,
V4L2_CTRL_TYPE_MENU,
V4L2_CTRL_TYPE_BUTTON,
V4L2_CTRL_TYPE_INTEGER64,
V4L2_CTRL_TYPE_CTRL_CLASS,
V4L2_CTRL_TYPE_STRING,
V4L2_CTRL_TYPE_BITMASK,
V4L2_CTRL_TYPE_INTEGER_MENU
]),,, [#include <sys/time.h>
#include <linux/ioctl.h>
#include <linux/types.h>
#include <linux/videodev2.h>])
AC_CHECK_MEMBERS(m4_normalize([
struct v4l2_window.global_alpha,
struct v4l2_sdr_format.buffersize
]),,, [#include <sys/time.h>
#include <linux/ioctl.h>
#include <linux/types.h>
#include <linux/videodev2.h>])
AC_CACHE_CHECK([for BLKGETSIZE64], [ac_cv_have_blkgetsize64],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
#include <stdlib.h>
#include <linux/fs.h>], [return !BLKGETSIZE64;])],
[ac_cv_have_blkgetsize64=yes], [ac_cv_have_blkgetsize64=no])]
if test $ac_cv_have_blkgetsize64 = yes; then
AC_DEFINE([HAVE_BLKGETSIZE64], [1], [Define to 1 if you have BLKGETSIZE64.])
fi)
AC_CHECK_SIZEOF([long])
SIZEOF_LONG="$ac_cv_sizeof_long"
AC_SUBST(SIZEOF_LONG)
AC_CHECK_SIZEOF([long long])
AC_CHECK_SIZEOF([off_t],,[#include <sys/types.h>])
AC_CHECK_SIZEOF([kernel_long_t],,[#include "$srcdir/kernel_types.h"])
SIZEOF_KERNEL_LONG_T="$ac_cv_sizeof_kernel_long_t"
AC_SUBST(SIZEOF_KERNEL_LONG_T)
AC_CHECK_SIZEOF([struct i64_i32],,[struct i64_i32 {long long i64; int i32;};])
AC_CACHE_CHECK([for SIGRTMIN], [st_cv_SIGRTMIN],
[[st_cv_SIGRTMIN="$(echo SIGRTMIN |
$CPP $CPPFLAGS -P -imacros asm/signal.h - |
grep '^[0-9]')"
test -n "$st_cv_SIGRTMIN" || st_cv_SIGRTMIN=no]])
if test "x$st_cv_SIGRTMIN" != xno; then
AC_DEFINE_UNQUOTED([ASM_SIGRTMIN], [$st_cv_SIGRTMIN],
[SIGRTMIN defined in <asm/signal.h>])
fi
AC_CACHE_CHECK([for SA_RESTORER], [st_cv_SA_RESTORER],
[st_cv_SA_RESTORER="$(echo SA_RESTORER |
$CPP $CPPFLAGS -P -imacros asm/signal.h - |
grep ^0x)"
test -n "$st_cv_SA_RESTORER" || st_cv_SA_RESTORER=no])
if test "x$st_cv_SA_RESTORER" != xno; then
AC_DEFINE_UNQUOTED([ASM_SA_RESTORER], [$st_cv_SA_RESTORER],
[SA_RESTORER defined in <asm/signal.h>])
fi
AC_CACHE_CHECK([for __builtin_popcount], [st_cv_have___builtin_popcount],
[AC_LINK_IFELSE([AC_LANG_PROGRAM([], [__builtin_popcount(0)])],
[st_cv_have___builtin_popcount=yes],
[st_cv_have___builtin_popcount=no])])
if test "x$st_cv_have___builtin_popcount" = xyes; then
AC_DEFINE([HAVE___BUILTIN_POPCOUNT], [1],
[Define to 1 if the system provides __builtin_popcount function])
fi
AC_CACHE_CHECK([for program_invocation_name], [st_cv_have_program_invocation_name],
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <errno.h>]],
[[return !*program_invocation_name]])],
[st_cv_have_program_invocation_name=yes],
[st_cv_have_program_invocation_name=no])])
if test "x$st_cv_have_program_invocation_name" = xyes; then
AC_DEFINE([HAVE_PROGRAM_INVOCATION_NAME], [1],
[Define to 1 if the system provides program_invocation_name variable])
fi
AC_CHECK_LIB([dl], [dladdr], [dl_LIBS='-ldl'], [dl_LIBS=])
if test "x$ac_cv_lib_dl_dladdr" = xyes; then
AC_DEFINE([HAVE_DLADDR], [1], [Define to 1 if the system provides dladdr])
fi
AC_SUBST(dl_LIBS)
saved_LIBS="$LIBS"
AC_SEARCH_LIBS([timer_create], [rt])
LIBS="$saved_LIBS"
case "$ac_cv_search_timer_create" in
no) AC_MSG_FAILURE([failed to find timer_create]) ;;
-l*) timer_LIBS="$ac_cv_search_timer_create" ;;
*) timer_LIBS= ;;
esac
AC_SUBST(timer_LIBS)
saved_LIBS="$LIBS"
AC_SEARCH_LIBS([clock_gettime], [rt])
LIBS="$saved_LIBS"
case "$ac_cv_search_clock_gettime" in
no) AC_MSG_FAILURE([failed to find clock_gettime]) ;;
-l*) clock_LIBS="$ac_cv_search_clock_gettime" ;;
*) clock_LIBS= ;;
esac
AC_SUBST(clock_LIBS)
saved_LIBS="$LIBS"
AC_SEARCH_LIBS([mq_open], [rt])
LIBS="$saved_LIBS"
case "$ac_cv_search_mq_open" in
-l*) mq_LIBS="$ac_cv_search_mq_open" ;;
*) mq_LIBS= ;;
esac
AC_SUBST(mq_LIBS)
AC_PATH_PROG([PERL], [perl])
AC_CHECK_TOOL([READELF], [readelf])
dnl stack trace with libunwind
libunwind_CPPFLAGS=
libunwind_LDFLAGS=
libunwind_LIBS=
AC_ARG_WITH([libunwind],
[AS_HELP_STRING([--with-libunwind],
[use libunwind to implement stack tracing support])],
[case "${withval}" in
yes|no|check) ;;
*) with_libunwind=yes
libunwind_CPPFLAGS="-I${withval}/include"
libunwind_LDFLAGS="-L${withval}/lib" ;;
esac],
[with_libunwind=check]
)
use_libunwind=no
AS_IF([test "x$with_libunwind" != xno],
[saved_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $libunwind_CPPFLAGS"
AC_CHECK_HEADERS([libunwind-ptrace.h],
[saved_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS $libunwind_LDFLAGS"
AC_CHECK_LIB([unwind], [backtrace],
[libunwind_LIBS="-lunwind $libunwind_LIBS"
AC_MSG_CHECKING([for unw_create_addr_space in libunwind-generic])
saved_LIBS="$LIBS"
LIBS="-lunwind-generic $libunwind_LIBS $LIBS"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[#include <libunwind-ptrace.h>]],
[[return !unw_create_addr_space(0, 0)]])
],
[AC_MSG_RESULT([yes])
libunwind_LIBS="-lunwind-generic $libunwind_LIBS"
AC_CHECK_LIB([unwind-ptrace], [_UPT_create],
[libunwind_LIBS="-lunwind-ptrace $libunwind_LIBS"
use_libunwind=yes
],
[if test "x$with_libunwind" != xcheck; then
AC_MSG_FAILURE([failed to find _UPT_create in libunwind-ptrace])
fi
],
[$libunwind_LIBS]
)
],
[AC_MSG_RESULT([no])
if test "x$with_libunwind" != xcheck; then
AC_MSG_FAILURE([failed to find unw_create_addr_space in libunwind-generic])
fi
]
)
LIBS="$saved_LIBS"
],
[if test "x$with_libunwind" != xcheck; then
AC_MSG_FAILURE([failed to find libunwind])
fi
],
[$libunwind_LIBS]
)
LDFLAGS="$saved_LDFLAGS"
],
[if test "x$with_libunwind" != xcheck; then
AC_MSG_FAILURE([failed to find libunwind-ptrace.h])
fi
]
)
CPPFLAGS="$saved_CPPFLAGS"
]
)
dnl enable libunwind
AC_MSG_CHECKING([whether to enable stack tracing support using libunwind])
if test "x$use_libunwind" = xyes; then
AC_DEFINE([USE_LIBUNWIND], 1, [Compile stack tracing functionality])
AC_SUBST(libunwind_LIBS)
AC_SUBST(libunwind_LDFLAGS)
AC_SUBST(libunwind_CPPFLAGS)
fi
AM_CONDITIONAL([USE_LIBUNWIND], [test "x$use_libunwind" = xyes])
AC_MSG_RESULT([$use_libunwind])
dnl demangling symbols in the stack trace
libiberty_CPPFLAGS=
libiberty_LDFLAGS=
libiberty_LIBS=
AC_ARG_WITH([libiberty],
[AS_HELP_STRING([--with-libiberty],
[use libiberty to demangle symbols in stack trace])],
[case "${withval}" in
yes|no|check) ;;
*) with_libiberty=yes
libiberty_CPPFLAGS="-I${withval}/include"
libiberty_LDFLAGS="-L${withval}/lib" ;;
esac],
[with_libiberty=check]
)
use_libiberty=no
AS_IF([test "x$use_libunwind" = xyes && test "x$with_libiberty" != xno],
[saved_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $libiberty_CPPFLAGS"
AC_CHECK_HEADERS([demangle.h libiberty/demangle.h],
[saved_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS $libiberty_LDFLAGS"
AC_CHECK_LIB([iberty],[cplus_demangle],
[libiberty_LIBS="-liberty"
use_libiberty=yes
],
[if test "x$with_libiberty" != xcheck; then
AC_MSG_FAILURE([failed to find cplus_demangle in libiberty])
fi
]
)
LDFLAGS="$saved_LDFLAGS"
],
[if test "x$with_libiberty" != xcheck; then
AC_MSG_FAILURE([failed to find demangle.h])
fi
]
)
CPPFLAGS="$saved_CPPFLAGS"
]
)
dnl enable libiberty
AC_MSG_CHECKING([whether to enable demangling symbols in stack trace])
if test "x$use_libiberty" = xyes; then
AC_DEFINE([USE_DEMANGLE], 1, [Do demangling symbols in stack trace])
AC_SUBST(libiberty_LIBS)
AC_SUBST(libiberty_LDFLAGS)
AC_SUBST(libiberty_CPPFLAGS)
fi
AM_CONDITIONAL([USE_DEMANGLE], [test "x$use_libiberty" = xyes])
AC_MSG_RESULT([$use_libiberty])
if test "$arch" = mips && test "$no_create" != yes; then
mkdir -p linux/mips
if $srcdir/linux/mips/genstub.sh linux/mips; then
AC_MSG_RESULT([Generated MIPS syscallent stubs])
else
AC_MSG_ERROR([Failed to generate syscallent stubs])
fi
fi
AC_ARG_ENABLE([mpers],
[AS_HELP_STRING([--enable-mpers=yes|no|check|m32|mx32],
[whether to enable multiple personalities support required
for proper decoding of structures used by tracees with
personalities that differ from the personality of strace,
default is yes.])],
[case "$enableval" in
yes|no|check|m32|mx32) enable_mpers="$enableval" ;;
*) AC_MSG_ERROR([bad value $enableval for enable-mpers option.
Valid options are: yes, no, check, m32, mx32.])
;;
esac],
[enable_mpers=yes])
st_MPERS([m32], [aarch64|powerpc64|riscv|s390x|sparc64|tile|x32|x86_64])
st_MPERS([mx32], [x86_64])
AX_VALGRIND_DFLT([sgcheck], [off])
AX_VALGRIND_CHECK
AC_CONFIG_FILES([Makefile
tests/Makefile
tests-m32/Makefile
tests-mx32/Makefile
strace.1
strace-log-merge.1
strace.spec
debian/changelog])
AC_OUTPUT
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