Hello Sir,
>From many days i am trying to add strace in my application and call it at
run time. for this purpose i have installed ndk, imported strace package
through Android.mk file.
My Android.mk file is:
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_SRC_FILES := \
access.c \
affinity.c \
aio.c \
bjm.c \
block.c \
bpf.c \
btrfs.c \
cacheflush.c \
capability.c \
chdir.c \
chmod.c \
clone.c \
copy_file_range.c \
count.c \
desc.c \
dirent.c \
dirent64.c \
epoll.c \
evdev.c \
eventfd.c \
execve.c \
exit.c \
fadvise.c \
fallocate.c \
fanotify.c \
fchownat.c \
fcntl.c \
fetch_seccomp_fprog.c \
fetch_struct_flock.c \
fetch_struct_mmsghdr.c \
fetch_struct_msghdr.c \
fetch_struct_stat.c \
fetch_struct_stat64.c \
fetch_struct_statfs.c \
file_handle.c \
file_ioctl.c \
flock.c \
fstatfs.c \
fstatfs64.c \
fs_x_ioctl.c \
futex.c \
getcpu.c \
getcwd.c \
getrandom.c \
get_robust_list.c \
hdio.c \
hostname.c \
inotify.c \
io.c \
ioctl.c \
ioperm.c \
iopl.c \
ioprio.c \
ipc.c \
ipc_msg.c \
ipc_msgctl.c \
ipc_sem.c \
ipc_shm.c \
ipc_shmctl.c \
kcmp.c \
kexec.c \
keyctl.c \
ldt.c \
link.c \
lookup_dcookie.c \
loop.c \
lseek.c \
mem.c \
membarrier.c \
memfd_create.c \
mknod.c \
mmsghdr.c \
mount.c \
mq.c \
msghdr.c \
mtd.c \
net.c \
netlink.c \
numa.c \
oldstat.c \
open.c \
pathtrace.c \
perf.c \
personality.c \
poll.c \
prctl.c \
print_mq_attr.c \
print_msgbuf.c \
print_sigevent.c \
print_statfs.c \
print_struct_stat.c \
print_time.c \
print_timex.c \
printmode.c \
printrusage.c \
printsiginfo.c \
process.c \
process_vm.c \
ptp.c \
quota.c \
readahead.c \
readlink.c \
reboot.c \
renameat.c \
resource.c \
rtc.c \
sched.c \
scsi.c \
seccomp.c \
sendfile.c \
sigaltstack.c \
signal.c \
signalfd.c \
sigreturn.c \
sock.c \
sockaddr.c \
socketcall.c \
socketutils.c \
sram_alloc.c \
stat.c \
stat64.c \
statfs.c \
statfs64.c \
*strace.c* \
swapon.c \
sync_file_range.c \
sync_file_range2.c \
syscall.c \
sysctl.c \
sysinfo.c \
syslog.c \
sysmips.c \
term.c \
time.c \
times.c \
truncate.c \
ubi.c \
uid16.c \
uid.c \
umask.c \
umount.c \
uname.c \
upeek.c \
userfaultfd.c \
util.c \
utime.c \
utimes.c \
v4l2.c \
vsprintf.c \
wait.c \
xattr.c \
xmalloc.c \
LOCAL_CFLAGS := \
-DGETGROUPS_T=gid_t \
\
-UHAVE_ASM_CACHECTL_H \
-DHAVE_ASM_SIGCONTEXT_H=1 \
-DHAVE_BLKGETSIZE64=1 \
-UHAVE_BLUETOOTH_BLUETOOTH_H \
-DHAVE___BUILTIN_POPCOUNT=1 \
-DHAVE_DIRENT_H=1 \
-DHAVE_DLADDR=1 \
-DHAVE_ELF_H=1 \
-DHAVE_FOPEN64=1 \
-DHAVE_FORK=1 \
-DHAVE_FSTATAT=1 \
-DHAVE_FTRUNCATE=1 \
-DHAVE_FUTIMENS=1 \
-DHAVE_IF_INDEXTONAME=1 \
-DHAVE_INET_NTOP=1 \
-DHAVE_INET_PTON=1 \
-DHAVE_INTTYPES_H=1 \
-DHAVE_LINUX_BPF_H=1 \
-DHAVE_LINUX_BSG_H=1 \
-DHAVE_LINUX_BTRFS_H=1 \
-DHAVE_LINUX_FALLOC_H=1 \
-DHAVE_LINUX_FILTER_H=1 \
-DHAVE_LINUX_FUTEX_H=1 \
-DHAVE_LINUX_ICMP_H=1 \
-DHAVE_LINUX_IF_PACKET_H=1 \
-DHAVE_LINUX_INPUT_H=1 \
-DHAVE_LINUX_IN6_H=1 \
-DHAVE_LINUX_IPC_H=1 \
-DHAVE_LINUX_MQUEUE=1 \
-DHAVE_LINUX_MSG_H=1 \
-DHAVE_LINUX_NETLINK_H=1 \
-DHAVE_LINUX_PERF_EVENT_H=1 \
-DHAVE_LINUX_SEM_H=1 \
-DHAVE_LINUX_SHM_H=1 \
-DHAVE_LITTLE_ENDIAN_LONG_LONG=1 \
-DHAVE_LONG_LONG=1 \
-DHAVE_NETINET_TCP_H=1 \
-DHAVE_NETINET_UDP_H=1 \
-DHAVE_POLL_H=1 \
-DHAVE_PRCTL=1 \
-DHAVE_PWRITEV=1 \
-DHAVE_SENDMSG=1 \
-DHAVE_SIGACTION=1 \
-DHAVE_SIG_ATOMIC_T=1 \
-DHAVE_SIGINFO_T=1 \
-DHAVE_SIGINFO_T_SI_OVERRUN=1 \
-DHAVE_SIGINFO_T_SI_SYSCALL=1 \
-DHAVE_SIGINFO_T_SI_TIMERID=1 \
-DHAVE_STATFS64=1 \
-DHAVE_STDBOOL_H=1 \
-DHAVE_STRERROR=1 \
-DHAVE_STRUCT_BTRFS_IOCTL_DEFRAG_RANGE_ARGS_START=1 \
-DHAVE_STRUCT_BTRFS_IOCTL_FEATURE_FLAGS_COMPAT_FLAGS=1 \
-DHAVE_STRUCT_FLOCK=1 \
-DHAVE_STRUCT_FLOCK64=1 \
-DHAVE_STRUCT_MMSGHDR=1 \
-DHAVE_STRUCT_MSGHDR_MSG_CONTROL=1 \
-DHAVE_STRUCT_SIGCONTEXT=1 \
-DHAVE_STRUCT_SIGEVENT__SIGEV_UN__PAD=1 \
-DHAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID=1 \
-DHAVE_STRUCT_STATFS64=1 \
-UHAVE_STRUCT_STAT_ST_ACLCNT \
-DHAVE_STRUCT_STAT_ST_BLKSIZE=1 \
-DHAVE_STRUCT_STAT_ST_BLOCKS=1 \
-UHAVE_STRUCT_STAT_ST_FLAGS \
-UHAVE_STRUCT_STAT_ST_FSTYPE \
-UHAVE_STRUCT_STAT_ST_GEN \
-UHAVE_STRUCT_STAT_ST_LEVEL \
-DHAVE_STRUCT_STAT_ST_RDEV=1 \
-DHAVE_STRUCT_SYSINFO_FREEHIGH=1 \
-DHAVE_STRUCT_SYSINFO_MEM_UNIT=1 \
-DHAVE_STRUCT_SYSINFO_TOTALHIGH=1 \
-DHAVE_STRUCT_UTSNAME_DOMAINNAME=1 \
-DHAVE_SYS_EPOLL_H=1 \
-DHAVE_SYS_IOCTL_H=1 \
-DHAVE_SYS_POLL_H=1 \
-DHAVE_SYS_REG_H=1 \
-DHAVE_SYS_VFS_H=1 \
-DHAVE_SYS_XATTR_H=1 \
-DHAVE_UNISTD_H=1 \
-DHAVE_UTIMENSAT=1 \
\
-DMAJOR_IN_SYSMACROS \
-DPACKAGE_NAME='"strace"' \
-DVERSION='"$(strace_version)"' \
-DSIZEOF_OFF_T=SIZEOF_LONG \
-DSIZEOF_LONG_LONG=8 \
-DSTDC_HEADERS=1 \
-DSTRACE_KNOWS_ONLY_EABI=1 \
-D_LFS64_LARGEFILE=1 \
LOCAL_CFLAGS += -D_GNU_SOURCE=1 -D_POSIX_SOURCE=1
LOCAL_CFLAGS += -fno-strict-aliasing
LOCAL_CFLAGS_32 += -DSIZEOF_LONG=4 -DSIZEOF_RLIM_T=4 -DHAVE_STRUCT_STAT64=1
LOCAL_CFLAGS_64 += -DSIZEOF_LONG=8 -DSIZEOF_RLIM_T=8
LOCAL_CFLAGS_arm += -DARM=1
LOCAL_CFLAGS_arm += -DHAVE_STRUCT___OLD_KERNEL_STAT=1
LOCAL_CFLAGS_arm64 += -DAARCH64=1
LOCAL_CFLAGS_mips += -DMIPS=1 -DLINUX_MIPSO32=1
LOCAL_CFLAGS_mips += -DHAVE_ASM_SYSMIPS_H=1
LOCAL_CFLAGS_mips64 += -DMIPS=1 -DLINUX_MIPSN64=1
LOCAL_CFLAGS_mips64 += -DHAVE_ASM_SYSMIPS_H=1
LOCAL_CFLAGS_x86 += -DI386=1
LOCAL_CFLAGS_x86 += -DHAVE_STRUCT___OLD_KERNEL_STAT=1
LOCAL_CFLAGS_x86_64 += -DX86_64=1
LOCAL_CFLAGS += \
-Wall \
-Wwrite-strings \
-Wsign-compare \
-Wno-missing-field-initializers \
-Wno-pointer-arith \
-Wno-unused-parameter \
-Wno-sign-compare \
LOCAL_C_INCLUDES_arm := $(LOCAL_PATH)/linux/arm $(LOCAL_PATH)/linux
LOCAL_C_INCLUDES_arm64 := $(LOCAL_PATH)/linux/aarch64 $(LOCAL_PATH)/linux
LOCAL_C_INCLUDES_mips := $(LOCAL_PATH)/linux/mips $(LOCAL_PATH)/linux
LOCAL_C_INCLUDES_mips64 := $(LOCAL_PATH)/linux/mips $(LOCAL_PATH)/linux
LOCAL_C_INCLUDES_x86 := $(LOCAL_PATH)/linux/i386 $(LOCAL_PATH)/linux
LOCAL_C_INCLUDES_x86_64 := $(LOCAL_PATH)/linux/x86_64 $(LOCAL_PATH)/linux
LOCAL_CLANG := true
*LOCAL_MODULE := strace*
LOCAL_MODULE_PATH := $(TARGET_OUT_OPTIONAL_EXECUTABLES)
LOCAL_MODULE_TAGS := debug
LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
*include $(BUILD_SHARED_LIBRARY)*
I cannot find any documentation about *BUILD_SHARED_LIBRARY* at
official page (https://developer.android.com/ndk/guides/android_mk.html).
I cannot find any way of calling the strace executable in java class,
as for shared library we can use System.loadlibrary(strace).
Can anyone suggest me the solution?
Thanks in advance.
Saba Arshad
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