Re: [PATCH 5/7] Support for recording syscall on aarch64-linux

Omair Javaid
2014-10-21T09:09:30Z

On 14/10/2014 17:47, Omair Javaid wrote:
> On 19 September 2014 03:27, Omair Javaid <omair.javaid@linaro.org> wrote:
>> On 18 September 2014 05:22, Will Newton <will.newton@linaro.org> wrote:
>>> On 29 August 2014 04:53, Omair Javaid <omair.javaid@linaro.org> wrote:
>>>> Suggestion have been incorporated and updated patch is given below.
>>>>
>>>> gdb:
>>>>
>>>> 2014-08-28 Omair Javaid <omair.javaid@linaro.org>
>>>>
>>>> * aarch64-linux-tdep.c (record.h): Include.
>>>> (record-full.h): Include.
>>>> (struct linux_record_tdep aarch64_linux_record_tdep): Declare.
>>>> (aarch64_canonicalize_syscall): New function to translate syscall
>>>> numbers from aarch64 to canonical.
>>>> (aarch64_all_but_pc_registers_record): New function.
>>>> (aarch64_linux_syscall_record): New function.
>>>> (aarch64_linux_init_abi): Update to handle syscall recording.
>>>> * aarch64-linux-tdep.h (aarch64_syscall): New enum.
>>>> * aarch64-tdep.c (aarch64_record_branch_except_sys): Add code to
>>>> handle recording of syscalls.
>>>> * aarch64-tdep.h
>>>> (struct gdbarch_tdep) <aarch64_syscall_record>: Defined.
>>>> * linux-record.h (struct linux_record_tdep): Add two more syscall
>>>> argument fields.
>>>>
>>>> ---
>>>> gdb/aarch64-linux-tdep.c | 913 +++++++++++++++++++++++++++++++++++++++++++++++
>>>> gdb/aarch64-linux-tdep.h | 266 ++++++++++++++
>>>> gdb/aarch64-tdep.c | 15 +-
>>>> gdb/aarch64-tdep.h | 3 +
>>>> gdb/linux-record.h | 2 +
>>>> 5 files changed, 1198 insertions(+), 1 deletion(-)
>>>
>>> This one looks ok to me now.
>>>
>>>> diff --git a/gdb/aarch64-linux-tdep.c b/gdb/aarch64-linux-tdep.c
>>>> index 5ab7b37..82b55b6 100644
>>>> --- a/gdb/aarch64-linux-tdep.c
>>>> +++ b/gdb/aarch64-linux-tdep.c
>>>> @@ -41,6 +41,9 @@
>>>> #include "user-regs.h"
>>>> #include <ctype.h>
>>>>
>>>> +#include "record-full.h"
>>>> +#include "linux-record.h"
>>>> +
>>>> /* Signal frame handling.
>>>>
>>>> +------------+ ^
>>>> @@ -354,6 +357,752 @@ aarch64_stap_parse_special_token (struct gdbarch *gdbarch,
>>>> return 1;
>>>> }
>>>>
>>>> +/* AArch64 process record-replay constructs: syscall, signal etc. */
>>>> +
>>>> +struct linux_record_tdep aarch64_linux_record_tdep;
>>>> +
>>>> +/* aarch64_canonicalize_syscall maps syscall ids from the native AArch64
>>>> + linux set of syscall ids into a canonical set of syscall ids used by
>>>> + process record. */
>>>> +
>>>> +static enum gdb_syscall
>>>> +aarch64_canonicalize_syscall (enum aarch64_syscall syscall_number)
>>>> +{
>>>> + switch (syscall_number) {
>>>> + case aarch64_sys_read:
>>>> + return gdb_sys_read;
>>>> +
>>>> + case aarch64_sys_write:
>>>> + return gdb_sys_write;
>>>> +
>>>> + case aarch64_sys_open:
>>>> + return gdb_sys_open;
>>>> +
>>>> + case aarch64_sys_close:
>>>> + return gdb_sys_close;
>>>> +
>>>> + case aarch64_sys_lseek:
>>>> + return gdb_sys_lseek;
>>>> +
>>>> + case aarch64_sys_mprotect:
>>>> + return gdb_sys_mprotect;
>>>> +
>>>> + case aarch64_sys_munmap:
>>>> + return gdb_sys_munmap;
>>>> +
>>>> + case aarch64_sys_brk:
>>>> + return gdb_sys_brk;
>>>> +
>>>> + case aarch64_sys_rt_sigaction:
>>>> + return gdb_sys_rt_sigaction;
>>>> +
>>>> + case aarch64_sys_rt_sigprocmask:
>>>> + return gdb_sys_rt_sigprocmask;
>>>> +
>>>> + case aarch64_sys_rt_sigreturn:
>>>> + return gdb_sys_rt_sigreturn;
>>>> +
>>>> + case aarch64_sys_ioctl:
>>>> + return gdb_sys_ioctl;
>>>> +
>>>> + case aarch64_sys_pread64:
>>>> + return gdb_sys_pread64;
>>>> +
>>>> + case aarch64_sys_pwrite64:
>>>> + return gdb_sys_pwrite64;
>>>> +
>>>> + case aarch64_sys_readv:
>>>> + return gdb_sys_readv;
>>>> +
>>>> + case aarch64_sys_writev:
>>>> + return gdb_sys_writev;
>>>> +
>>>> + case aarch64_sys_sched_yield:
>>>> + return gdb_sys_sched_yield;
>>>> +
>>>> + case aarch64_sys_mremap:
>>>> + return gdb_sys_mremap;
>>>> +
>>>> + case aarch64_sys_msync:
>>>> + return gdb_sys_msync;
>>>> +
>>>> + case aarch64_sys_mincore:
>>>> + return gdb_sys_mincore;
>>>> +
>>>> + case aarch64_sys_madvise:
>>>> + return gdb_sys_madvise;
>>>> +
>>>> + case aarch64_sys_shmget:
>>>> + return gdb_sys_shmget;
>>>> +
>>>> + case aarch64_sys_shmat:
>>>> + return gdb_sys_shmat;
>>>> +
>>>> + case aarch64_sys_shmctl:
>>>> + return gdb_sys_shmctl;
>>>> +
>>>> + case aarch64_sys_dup:
>>>> + return gdb_sys_dup;
>>>> +
>>>> + case aarch64_sys_nanosleep:
>>>> + return gdb_sys_nanosleep;
>>>> +
>>>> + case aarch64_sys_getitimer:
>>>> + return gdb_sys_getitimer;
>>>> +
>>>> + case aarch64_sys_setitimer:
>>>> + return gdb_sys_setitimer;
>>>> +
>>>> + case aarch64_sys_getpid:
>>>> + return gdb_sys_getpid;
>>>> +
>>>> + case aarch64_sys_sendfile:
>>>> + return gdb_sys_sendfile;
>>>> +
>>>> + case aarch64_sys_socket:
>>>> + return gdb_sys_socket;
>>>> +
>>>> + case aarch64_sys_connect:
>>>> + return gdb_sys_connect;
>>>> +
>>>> + case aarch64_sys_accept:
>>>> + return gdb_sys_accept;
>>>> +
>>>> + case aarch64_sys_sendto:
>>>> + return gdb_sys_sendto;
>>>> +
>>>> + case aarch64_sys_recvfrom:
>>>> + return gdb_sys_recvfrom;
>>>> +
>>>> + case aarch64_sys_sendmsg:
>>>> + return gdb_sys_sendmsg;
>>>> +
>>>> + case aarch64_sys_recvmsg:
>>>> + return gdb_sys_recvmsg;
>>>> +
>>>> + case aarch64_sys_shutdown:
>>>> + return gdb_sys_shutdown;
>>>> +
>>>> + case aarch64_sys_bind:
>>>> + return gdb_sys_bind;
>>>> +
>>>> + case aarch64_sys_listen:
>>>> + return gdb_sys_listen;
>>>> +
>>>> + case aarch64_sys_getsockname:
>>>> + return gdb_sys_getsockname;
>>>> +
>>>> + case aarch64_sys_getpeername:
>>>> + return gdb_sys_getpeername;
>>>> +
>>>> + case aarch64_sys_socketpair:
>>>> + return gdb_sys_socketpair;
>>>> +
>>>> + case aarch64_sys_setsockopt:
>>>> + return gdb_sys_setsockopt;
>>>> +
>>>> + case aarch64_sys_getsockopt:
>>>> + return gdb_sys_getsockopt;
>>>> +
>>>> + case aarch64_sys_clone:
>>>> + return gdb_sys_clone;
>>>> +
>>>> + case aarch64_sys_execve:
>>>> + return gdb_sys_execve;
>>>> +
>>>> + case aarch64_sys_exit:
>>>> + return gdb_sys_exit;
>>>> +
>>>> + case aarch64_sys_wait4:
>>>> + return gdb_sys_wait4;
>>>> +
>>>> + case aarch64_sys_kill:
>>>> + return gdb_sys_kill;
>>>> +
>>>> + case aarch64_sys_uname:
>>>> + return gdb_sys_uname;
>>>> +
>>>> + case aarch64_sys_semget:
>>>> + return gdb_sys_semget;
>>>> +
>>>> + case aarch64_sys_semop:
>>>> + return gdb_sys_semop;
>>>> +
>>>> + case aarch64_sys_semctl:
>>>> + return gdb_sys_semctl;
>>>> +
>>>> + case aarch64_sys_shmdt:
>>>> + return gdb_sys_shmdt;
>>>> +
>>>> + case aarch64_sys_msgget:
>>>> + return gdb_sys_msgget;
>>>> +
>>>> + case aarch64_sys_msgsnd:
>>>> + return gdb_sys_msgsnd;
>>>> +
>>>> + case aarch64_sys_msgrcv:
>>>> + return gdb_sys_msgrcv;
>>>> +
>>>> + case aarch64_sys_msgctl:
>>>> + return gdb_sys_msgctl;
>>>> +
>>>> + case aarch64_sys_fcntl:
>>>> + return gdb_sys_fcntl;
>>>> +
>>>> + case aarch64_sys_flock:
>>>> + return gdb_sys_flock;
>>>> +
>>>> + case aarch64_sys_fsync:
>>>> + return gdb_sys_fsync;
>>>> +
>>>> + case aarch64_sys_fdatasync:
>>>> + return gdb_sys_fdatasync;
>>>> +
>>>> + case aarch64_sys_truncate:
>>>> + return gdb_sys_truncate;
>>>> +
>>>> + case aarch64_sys_ftruncate:
>>>> + return gdb_sys_ftruncate;
>>>> +
>>>> + case aarch64_sys_getcwd:
>>>> + return gdb_sys_getcwd;
>>>> +
>>>> + case aarch64_sys_chdir:
>>>> + return gdb_sys_chdir;
>>>> +
>>>> + case aarch64_sys_fchdir:
>>>> + return gdb_sys_fchdir;
>>>> +
>>>> + case aarch64_sys_rename:
>>>> + return gdb_sys_rename;
>>>> +
>>>> + case aarch64_sys_mkdir:
>>>> + return gdb_sys_mkdir;
>>>> +
>>>> + case aarch64_sys_link:
>>>> + return gdb_sys_link;
>>>> +
>>>> + case aarch64_sys_unlink:
>>>> + return gdb_sys_unlink;
>>>> +
>>>> + case aarch64_sys_symlink:
>>>> + return gdb_sys_symlink;
>>>> +
>>>> + case aarch64_sys_readlink:
>>>> + return gdb_sys_readlink;
>>>> +
>>>> + case aarch64_sys_fchmodat:
>>>> + return gdb_sys_fchmodat;
>>>> +
>>>> + case aarch64_sys_fchmod:
>>>> + return gdb_sys_fchmod;
>>>> +
>>>> + case aarch64_sys_fchownat:
>>>> + return gdb_sys_fchownat;
>>>> +
>>>> + case aarch64_sys_fchown:
>>>> + return gdb_sys_fchown;
>>>> +
>>>> + case aarch64_sys_umask:
>>>> + return gdb_sys_umask;
>>>> +
>>>> + case aarch64_sys_gettimeofday:
>>>> + return gdb_sys_gettimeofday;
>>>> +
>>>> + case aarch64_sys_getrlimit:
>>>> + return gdb_sys_getrlimit;
>>>> +
>>>> + case aarch64_sys_getrusage:
>>>> + return gdb_sys_getrusage;
>>>> +
>>>> + case aarch64_sys_sysinfo:
>>>> + return gdb_sys_sysinfo;
>>>> +
>>>> + case aarch64_sys_ptrace:
>>>> + return gdb_sys_ptrace;
>>>> +
>>>> + case aarch64_sys_getuid:
>>>> + return gdb_sys_getuid;
>>>> +
>>>> + case aarch64_sys_syslog:
>>>> + return gdb_sys_syslog;
>>>> +
>>>> + case aarch64_sys_getgid:
>>>> + return gdb_sys_getgid;
>>>> +
>>>> + case aarch64_sys_setuid:
>>>> + return gdb_sys_setuid;
>>>> +
>>>> + case aarch64_sys_setgid:
>>>> + return gdb_sys_setgid;
>>>> +
>>>> + case aarch64_sys_geteuid:
>>>> + return gdb_sys_geteuid;
>>>> +
>>>> + case aarch64_sys_getegid:
>>>> + return gdb_sys_getegid;
>>>> +
>>>> + case aarch64_sys_setpgid:
>>>> + return gdb_sys_setpgid;
>>>> +
>>>> + case aarch64_sys_getppid:
>>>> + return gdb_sys_getppid;
>>>> +
>>>> + case aarch64_sys_setsid:
>>>> + return gdb_sys_setsid;
>>>> +
>>>> + case aarch64_sys_setreuid:
>>>> + return gdb_sys_setreuid;
>>>> +
>>>> + case aarch64_sys_setregid:
>>>> + return gdb_sys_setregid;
>>>> +
>>>> + case aarch64_sys_getgroups:
>>>> + return gdb_sys_getgroups;
>>>> +
>>>> + case aarch64_sys_setgroups:
>>>> + return gdb_sys_setgroups;
>>>> +
>>>> + case aarch64_sys_setresuid:
>>>> + return gdb_sys_setresuid;
>>>> +
>>>> + case aarch64_sys_getresuid:
>>>> + return gdb_sys_getresuid;
>>>> +
>>>> + case aarch64_sys_setresgid:
>>>> + return gdb_sys_setresgid;
>>>> +
>>>> + case aarch64_sys_getresgid:
>>>> + return gdb_sys_getresgid;
>>>> +
>>>> + case aarch64_sys_getpgid:
>>>> + return gdb_sys_getpgid;
>>>> +
>>>> + case aarch64_sys_setfsuid:
>>>> + return gdb_sys_setfsuid;
>>>> +
>>>> + case aarch64_sys_setfsgid:
>>>> + return gdb_sys_setfsgid;
>>>> +
>>>> + case aarch64_sys_getsid:
>>>> + return gdb_sys_getsid;
>>>> +
>>>> + case aarch64_sys_capget:
>>>> + return gdb_sys_capget;
>>>> +
>>>> + case aarch64_sys_capset:
>>>> + return gdb_sys_capset;
>>>> +
>>>> + case aarch64_sys_rt_sigpending:
>>>> + return gdb_sys_rt_sigpending;
>>>> +
>>>> + case aarch64_sys_rt_sigtimedwait:
>>>> + return gdb_sys_rt_sigtimedwait;
>>>> +
>>>> + case aarch64_sys_rt_sigqueueinfo:
>>>> + return gdb_sys_rt_sigqueueinfo;
>>>> +
>>>> + case aarch64_sys_rt_sigsuspend:
>>>> + return gdb_sys_rt_sigsuspend;
>>>> +
>>>> + case aarch64_sys_sigaltstack:
>>>> + return gdb_sys_sigaltstack;
>>>> +
>>>> + case aarch64_sys_mknod:
>>>> + return gdb_sys_mknod;
>>>> +
>>>> + case aarch64_sys_personality:
>>>> + return gdb_sys_personality;
>>>> +
>>>> + case aarch64_sys_statfs:
>>>> + return gdb_sys_statfs;
>>>> +
>>>> + case aarch64_sys_fstat:
>>>> + return gdb_sys_fstat;
>>>> +
>>>> + case aarch64_sys_fstatfs:
>>>> + return gdb_sys_fstatfs;
>>>> +
>>>> + case aarch64_sys_getpriority:
>>>> + return gdb_sys_getpriority;
>>>> +
>>>> + case aarch64_sys_setpriority:
>>>> + return gdb_sys_setpriority;
>>>> +
>>>> + case aarch64_sys_sched_setparam:
>>>> + return gdb_sys_sched_setparam;
>>>> +
>>>> + case aarch64_sys_sched_getparam:
>>>> + return gdb_sys_sched_getparam;
>>>> +
>>>> + case aarch64_sys_sched_setscheduler:
>>>> + return gdb_sys_sched_setscheduler;
>>>> +
>>>> + case aarch64_sys_sched_getscheduler:
>>>> + return gdb_sys_sched_getscheduler;
>>>> +
>>>> + case aarch64_sys_sched_get_priority_max:
>>>> + return gdb_sys_sched_get_priority_max;
>>>> +
>>>> + case aarch64_sys_sched_get_priority_min:
>>>> + return gdb_sys_sched_get_priority_min;
>>>> +
>>>> + case aarch64_sys_sched_rr_get_interval:
>>>> + return gdb_sys_sched_rr_get_interval;
>>>> +
>>>> + case aarch64_sys_mlock:
>>>> + return gdb_sys_mlock;
>>>> +
>>>> + case aarch64_sys_munlock:
>>>> + return gdb_sys_munlock;
>>>> +
>>>> + case aarch64_sys_mlockall:
>>>> + return gdb_sys_mlockall;
>>>> +
>>>> + case aarch64_sys_munlockall:
>>>> + return gdb_sys_munlockall;
>>>> +
>>>> + case aarch64_sys_vhangup:
>>>> + return gdb_sys_vhangup;
>>>> +
>>>> + case aarch64_sys_prctl:
>>>> + return gdb_sys_prctl;
>>>> +
>>>> + case aarch64_sys_adjtimex:
>>>> + return gdb_sys_adjtimex;
>>>> +
>>>> + case aarch64_sys_setrlimit:
>>>> + return gdb_sys_setrlimit;
>>>> +
>>>> + case aarch64_sys_chroot:
>>>> + return gdb_sys_chroot;
>>>> +
>>>> + case aarch64_sys_sync:
>>>> + return gdb_sys_sync;
>>>> +
>>>> + case aarch64_sys_acct:
>>>> + return gdb_sys_acct;
>>>> +
>>>> + case aarch64_sys_settimeofday:
>>>> + return gdb_sys_settimeofday;
>>>> +
>>>> + case aarch64_sys_mount:
>>>> + return gdb_sys_mount;
>>>> +
>>>> + case aarch64_sys_swapon:
>>>> + return gdb_sys_swapon;
>>>> +
>>>> + case aarch64_sys_swapoff:
>>>> + return gdb_sys_swapoff;
>>>> +
>>>> + case aarch64_sys_reboot:
>>>> + return gdb_sys_reboot;
>>>> +
>>>> + case aarch64_sys_sethostname:
>>>> + return gdb_sys_sethostname;
>>>> +
>>>> + case aarch64_sys_setdomainname:
>>>> + return gdb_sys_setdomainname;
>>>> +
>>>> + case aarch64_sys_init_module:
>>>> + return gdb_sys_init_module;
>>>> +
>>>> + case aarch64_sys_delete_module:
>>>> + return gdb_sys_delete_module;
>>>> +
>>>> + case aarch64_sys_quotactl:
>>>> + return gdb_sys_quotactl;
>>>> +
>>>> + case aarch64_sys_nfsservctl:
>>>> + return gdb_sys_nfsservctl;
>>>> +
>>>> + case aarch64_sys_gettid:
>>>> + return gdb_sys_gettid;
>>>> +
>>>> + case aarch64_sys_readahead:
>>>> + return gdb_sys_readahead;
>>>> +
>>>> + case aarch64_sys_setxattr:
>>>> + return gdb_sys_setxattr;
>>>> +
>>>> + case aarch64_sys_lsetxattr:
>>>> + return gdb_sys_lsetxattr;
>>>> +
>>>> + case aarch64_sys_fsetxattr:
>>>> + return gdb_sys_fsetxattr;
>>>> +
>>>> + case aarch64_sys_getxattr:
>>>> + return gdb_sys_getxattr;
>>>> +
>>>> + case aarch64_sys_lgetxattr:
>>>> + return gdb_sys_lgetxattr;
>>>> +
>>>> + case aarch64_sys_fgetxattr:
>>>> + return gdb_sys_fgetxattr;
>>>> +
>>>> + case aarch64_sys_listxattr:
>>>> + return gdb_sys_listxattr;
>>>> +
>>>> + case aarch64_sys_llistxattr:
>>>> + return gdb_sys_llistxattr;
>>>> +
>>>> + case aarch64_sys_flistxattr:
>>>> + return gdb_sys_flistxattr;
>>>> +
>>>> + case aarch64_sys_removexattr:
>>>> + return gdb_sys_removexattr;
>>>> +
>>>> + case aarch64_sys_lremovexattr:
>>>> + return gdb_sys_lremovexattr;
>>>> +
>>>> + case aarch64_sys_fremovexattr:
>>>> + return gdb_sys_fremovexattr;
>>>> +
>>>> + case aarch64_sys_tkill:
>>>> + return gdb_sys_tkill;
>>>> +
>>>> + case aarch64_sys_times:
>>>> + return gdb_sys_times;
>>>> +
>>>> + case aarch64_sys_futex:
>>>> + return gdb_sys_futex;
>>>> +
>>>> + case aarch64_sys_sched_setaffinity:
>>>> + return gdb_sys_sched_setaffinity;
>>>> +
>>>> + case aarch64_sys_sched_getaffinity:
>>>> + return gdb_sys_sched_getaffinity;
>>>> +
>>>> + case aarch64_sys_io_setup:
>>>> + return gdb_sys_io_setup;
>>>> +
>>>> + case aarch64_sys_io_destroy:
>>>> + return gdb_sys_io_destroy;
>>>> +
>>>> + case aarch64_sys_io_getevents:
>>>> + return gdb_sys_io_getevents;
>>>> +
>>>> + case aarch64_sys_io_submit:
>>>> + return gdb_sys_io_submit;
>>>> +
>>>> + case aarch64_sys_io_cancel:
>>>> + return gdb_sys_io_cancel;
>>>> +
>>>> + case aarch64_sys_lookup_dcookie:
>>>> + return gdb_sys_lookup_dcookie;
>>>> +
>>>> + case aarch64_sys_epoll_create1:
>>>> + return gdb_sys_epoll_create;
>>>> +
>>>> + case aarch64_sys_remap_file_pages:
>>>> + return gdb_sys_remap_file_pages;
>>>> +
>>>> + case aarch64_sys_getdents64:
>>>> + return gdb_sys_getdents64;
>>>> +
>>>> + case aarch64_sys_set_tid_address:
>>>> + return gdb_sys_set_tid_address;
>>>> +
>>>> + case aarch64_sys_semtimedop:
>>>> + return gdb_sys_semtimedop;
>>>> +
>>>> + case aarch64_sys_fadvise64:
>>>> + return gdb_sys_fadvise64;
>>>> +
>>>> + case aarch64_sys_timer_create:
>>>> + return gdb_sys_timer_create;
>>>> +
>>>> + case aarch64_sys_timer_settime:
>>>> + return gdb_sys_timer_settime;
>>>> +
>>>> + case aarch64_sys_timer_gettime:
>>>> + return gdb_sys_timer_gettime;
>>>> +
>>>> + case aarch64_sys_timer_getoverrun:
>>>> + return gdb_sys_timer_getoverrun;
>>>> +
>>>> + case aarch64_sys_timer_delete:
>>>> + return gdb_sys_timer_delete;
>>>> +
>>>> + case aarch64_sys_clock_settime:
>>>> + return gdb_sys_clock_settime;
>>>> +
>>>> + case aarch64_sys_clock_gettime:
>>>> + return gdb_sys_clock_gettime;
>>>> +
>>>> + case aarch64_sys_clock_getres:
>>>> + return gdb_sys_clock_getres;
>>>> +
>>>> + case aarch64_sys_clock_nanosleep:
>>>> + return gdb_sys_clock_nanosleep;
>>>> +
>>>> + case aarch64_sys_exit_group:
>>>> + return gdb_sys_exit_group;
>>>> +
>>>> + case aarch64_sys_epoll_pwait:
>>>> + return gdb_sys_epoll_pwait;
>>>> +
>>>> + case aarch64_sys_epoll_ctl:
>>>> + return gdb_sys_epoll_ctl;
>>>> +
>>>> + case aarch64_sys_tgkill:
>>>> + return gdb_sys_tgkill;
>>>> +
>>>> + case aarch64_sys_mbind:
>>>> + return gdb_sys_mbind;
>>>> +
>>>> + case aarch64_sys_set_mempolicy:
>>>> + return gdb_sys_set_mempolicy;
>>>> +
>>>> + case aarch64_sys_get_mempolicy:
>>>> + return gdb_sys_get_mempolicy;
>>>> +
>>>> + case aarch64_sys_mq_open:
>>>> + return gdb_sys_mq_open;
>>>> +
>>>> + case aarch64_sys_mq_unlink:
>>>> + return gdb_sys_mq_unlink;
>>>> +
>>>> + case aarch64_sys_mq_timedsend:
>>>> + return gdb_sys_mq_timedsend;
>>>> +
>>>> + case aarch64_sys_mq_timedreceive:
>>>> + return gdb_sys_mq_timedreceive;
>>>> +
>>>> + case aarch64_sys_mq_notify:
>>>> + return gdb_sys_mq_notify;
>>>> +
>>>> + case aarch64_sys_mq_getsetattr:
>>>> + return gdb_sys_mq_getsetattr;
>>>> +
>>>> + case aarch64_sys_kexec_load:
>>>> + return gdb_sys_kexec_load;
>>>> +
>>>> + case aarch64_sys_waitid:
>>>> + return gdb_sys_waitid;
>>>> +
>>>> + case aarch64_sys_add_key:
>>>> + return gdb_sys_add_key;
>>>> +
>>>> + case aarch64_sys_request_key:
>>>> + return gdb_sys_request_key;
>>>> +
>>>> + case aarch64_sys_keyctl:
>>>> + return gdb_sys_keyctl;
>>>> +
>>>> + case aarch64_sys_ioprio_set:
>>>> + return gdb_sys_ioprio_set;
>>>> +
>>>> + case aarch64_sys_ioprio_get:
>>>> + return gdb_sys_ioprio_get;
>>>> +
>>>> + case aarch64_sys_inotify_add_watch:
>>>> + return gdb_sys_inotify_add_watch;
>>>> +
>>>> + case aarch64_sys_inotify_rm_watch:
>>>> + return gdb_sys_inotify_rm_watch;
>>>> +
>>>> + case aarch64_sys_migrate_pages:
>>>> + return gdb_sys_migrate_pages;
>>>> +
>>>> + case aarch64_sys_pselect6:
>>>> + return gdb_sys_pselect6;
>>>> +
>>>> + case aarch64_sys_ppoll:
>>>> + return gdb_sys_ppoll;
>>>> +
>>>> + case aarch64_sys_unshare:
>>>> + return gdb_sys_unshare;
>>>> +
>>>> + case aarch64_sys_set_robust_list:
>>>> + return gdb_sys_set_robust_list;
>>>> +
>>>> + case aarch64_sys_get_robust_list:
>>>> + return gdb_sys_get_robust_list;
>>>> +
>>>> + case aarch64_sys_splice:
>>>> + return gdb_sys_splice;
>>>> +
>>>> + case aarch64_sys_tee:
>>>> + return gdb_sys_tee;
>>>> +
>>>> + case aarch64_sys_sync_file_range:
>>>> + return gdb_sys_sync_file_range;
>>>> +
>>>> + case aarch64_sys_vmsplice:
>>>> + return gdb_sys_vmsplice;
>>>> +
>>>> + case aarch64_sys_move_pages:
>>>> + return gdb_sys_move_pages;
>>>> +
>>>> + default:
>>>> + return -1;
>>>> + }
>>>> +}
>>>> +
>>>> +/* Record all registers but PC register for process-record. */
>>>> +
>>>> +static int
>>>> +aarch64_all_but_pc_registers_record (struct regcache *regcache)
>>>> +{
>>>> + int i;
>>>> +
>>>> + for (i = 0; i < AARCH64_PC_REGNUM; i++)
>>>> + if (record_full_arch_list_add_reg (regcache, AARCH64_X0_REGNUM + i))
>>>> + return -1;
>>>> +
>>>> + if (record_full_arch_list_add_reg (regcache, AARCH64_CPSR_REGNUM))
>>>> + return -1;
>>>> +
>>>> + return 0;
>>>> +}
>>>> +
>>>> +/* Handler for arm system call instruction recording. */
>>>> +
>>>> +static int
>>>> +aarch64_linux_syscall_record (struct regcache *regcache, unsigned long svc_number)
>>>> +{
>>>> + int ret = 0;
>>>> + enum gdb_syscall syscall_gdb;
>>>> +
>>>> + printf_unfiltered (_("syscall number %s\n"),
>>>> + plongest (svc_number));
>>>> + syscall_gdb = aarch64_canonicalize_syscall (svc_number);
>>>> +
>>>> + if (syscall_gdb < 0)
>>>> + {
>>>> + printf_unfiltered (_("Process record and replay target doesn't "
>>>> + "support syscall number %s\n"),
>>>> + plongest (svc_number));
>>>> + return -1;
>>>> + }
>>>> +
>>>> + if (syscall_gdb == gdb_sys_sigreturn
>>>> + || syscall_gdb == gdb_sys_rt_sigreturn)
>>>> + {
>>>> + if (aarch64_all_but_pc_registers_record (regcache))
>>>> + return -1;
>>>> + return 0;
>>>> + }
>>>> +
>>>> + ret = record_linux_system_call (syscall_gdb, regcache,
>>>> + &aarch64_linux_record_tdep);
>>>> + if (ret != 0)
>>>> + return ret;
>>>> +
>>>> + /* Record the return value of the system call. */
>>>> + if (record_full_arch_list_add_reg (regcache, AARCH64_X0_REGNUM))
>>>> + return -1;
>>>> + /* Record LR. */
>>>> + if (record_full_arch_list_add_reg (regcache, AARCH64_LR_REGNUM))
>>>> + return -1;
>>>> + /* Record CPSR. */
>>>> + if (record_full_arch_list_add_reg (regcache, AARCH64_CPSR_REGNUM))
>>>> + return -1;
>>>> +
>>>> + return 0;
>>>> +}
>>>> +
>>>> static void
>>>> aarch64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
>>>> {
>>>> @@ -404,6 +1153,170 @@ aarch64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
>>>>
>>>> /* Reversible debugging, process record. */
>>>> set_gdbarch_process_record (gdbarch, aarch64_process_record);
>>>> + /* Syscall record. */
>>>> + tdep->aarch64_syscall_record = aarch64_linux_syscall_record;
>>>> +
>>>> + /* Initialize the aarch64_linux_record_tdep. */
>>>> + /* These values are the size of the type that will be used in a system
>>>> + call. They are obtained from Linux Kernel source. */
>>>> + aarch64_linux_record_tdep.size_pointer
>>>> + = gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT;
>>>> + aarch64_linux_record_tdep.size__old_kernel_stat = 32;
>>>> + aarch64_linux_record_tdep.size_tms = 32;
>>>> + aarch64_linux_record_tdep.size_loff_t = 8;
>>>> + aarch64_linux_record_tdep.size_flock = 32;
>>>> + aarch64_linux_record_tdep.size_oldold_utsname = 45;
>>>> + aarch64_linux_record_tdep.size_ustat = 32;
>>>> + aarch64_linux_record_tdep.size_old_sigaction = 152;
>>>> + aarch64_linux_record_tdep.size_old_sigset_t = 128;
>>>> + aarch64_linux_record_tdep.size_rlimit = 16;
>>>> + aarch64_linux_record_tdep.size_rusage = 144;
>>>> + aarch64_linux_record_tdep.size_timeval = 16;
>>>> + aarch64_linux_record_tdep.size_timezone = 8;
>>>> + aarch64_linux_record_tdep.size_old_gid_t = 2;
>>>> + aarch64_linux_record_tdep.size_old_uid_t = 2;
>>>> + aarch64_linux_record_tdep.size_fd_set = 128;
>>>> + aarch64_linux_record_tdep.size_dirent = 280;
>>>> + aarch64_linux_record_tdep.size_dirent64 = 280;
>>>> + aarch64_linux_record_tdep.size_statfs = 120;
>>>> + aarch64_linux_record_tdep.size_statfs64 = 120;
>>>> + aarch64_linux_record_tdep.size_sockaddr = 16;
>>>> + aarch64_linux_record_tdep.size_int
>>>> + = gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT;
>>>> + aarch64_linux_record_tdep.size_long
>>>> + = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
>>>> + aarch64_linux_record_tdep.size_ulong
>>>> + = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
>>>> + aarch64_linux_record_tdep.size_msghdr = 56;
>>>> + aarch64_linux_record_tdep.size_itimerval = 32;
>>>> + aarch64_linux_record_tdep.size_stat = 144;
>>>> + aarch64_linux_record_tdep.size_old_utsname = 325;
>>>> + aarch64_linux_record_tdep.size_sysinfo = 112;
>>>> + aarch64_linux_record_tdep.size_msqid_ds = 120;
>>>> + aarch64_linux_record_tdep.size_shmid_ds = 112;
>>>> + aarch64_linux_record_tdep.size_new_utsname = 390;
>>>> + aarch64_linux_record_tdep.size_timex = 208;
>>>> + aarch64_linux_record_tdep.size_mem_dqinfo = 24;
>>>> + aarch64_linux_record_tdep.size_if_dqblk = 72;
>>>> + aarch64_linux_record_tdep.size_fs_quota_stat = 80;
>>>> + aarch64_linux_record_tdep.size_timespec = 16;
>>>> + aarch64_linux_record_tdep.size_pollfd = 8;
>>>> + aarch64_linux_record_tdep.size_NFS_FHSIZE = 32;
>>>> + aarch64_linux_record_tdep.size_knfsd_fh = 132;
>>>> + aarch64_linux_record_tdep.size_TASK_COMM_LEN = 16;
>>>> + aarch64_linux_record_tdep.size_sigaction = 152;
>>>> + aarch64_linux_record_tdep.size_sigset_t = 128;
>>>> + aarch64_linux_record_tdep.size_siginfo_t = 128;
>>>> + aarch64_linux_record_tdep.size_cap_user_data_t = 8;
>>>> + aarch64_linux_record_tdep.size_stack_t = 24;
>>>> + aarch64_linux_record_tdep.size_off_t = 8;
>>>> + aarch64_linux_record_tdep.size_stat64 = 144;
>>>> + aarch64_linux_record_tdep.size_gid_t = 4;
>>>> + aarch64_linux_record_tdep.size_uid_t = 4;
>>>> + aarch64_linux_record_tdep.size_PAGE_SIZE = 4096;
>>>> + aarch64_linux_record_tdep.size_flock64 = 32;
>>>> + aarch64_linux_record_tdep.size_user_desc = 16;
>>>> + aarch64_linux_record_tdep.size_io_event = 32;
>>>> + aarch64_linux_record_tdep.size_iocb = 64;
>>>> + aarch64_linux_record_tdep.size_epoll_event = 12;
>>>> + aarch64_linux_record_tdep.size_itimerspec = 32;
>>>> + aarch64_linux_record_tdep.size_mq_attr = 64;
>>>> + aarch64_linux_record_tdep.size_siginfo = 128;
>>>> + aarch64_linux_record_tdep.size_termios = 60;
>>>> + aarch64_linux_record_tdep.size_termios2 = 44;
>>>> + aarch64_linux_record_tdep.size_pid_t = 4;
>>>> + aarch64_linux_record_tdep.size_winsize = 8;
>>>> + aarch64_linux_record_tdep.size_serial_struct = 72;
>>>> + aarch64_linux_record_tdep.size_serial_icounter_struct = 80;
>>>> + aarch64_linux_record_tdep.size_hayes_esp_config = 12;
>>>> + aarch64_linux_record_tdep.size_size_t = 8;
>>>> + aarch64_linux_record_tdep.size_iovec = 16;
>>>> +
>>>> + /* These values are the second argument of system call "sys_ioctl".
>>>> + They are obtained from Linux Kernel source. */
>>>> + aarch64_linux_record_tdep.ioctl_TCGETS = 0x5401;
>>>> + aarch64_linux_record_tdep.ioctl_TCSETS = 0x5402;
>>>> + aarch64_linux_record_tdep.ioctl_TCSETSW = 0x5403;
>>>> + aarch64_linux_record_tdep.ioctl_TCSETSF = 0x5404;
>>>> + aarch64_linux_record_tdep.ioctl_TCGETA = 0x5405;
>>>> + aarch64_linux_record_tdep.ioctl_TCSETA = 0x5406;
>>>> + aarch64_linux_record_tdep.ioctl_TCSETAW = 0x5407;
>>>> + aarch64_linux_record_tdep.ioctl_TCSETAF = 0x5408;
>>>> + aarch64_linux_record_tdep.ioctl_TCSBRK = 0x5409;
>>>> + aarch64_linux_record_tdep.ioctl_TCXONC = 0x540a;
>>>> + aarch64_linux_record_tdep.ioctl_TCFLSH = 0x540b;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCEXCL = 0x540c;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCNXCL = 0x540d;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCSCTTY = 0x540e;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCGPGRP = 0x540f;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCSPGRP = 0x5410;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCOUTQ = 0x5411;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCSTI = 0x5412;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCGWINSZ = 0x5413;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCSWINSZ = 0x5414;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCMGET = 0x5415;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCMBIS = 0x5416;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCMBIC = 0x5417;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCMSET = 0x5418;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCGSOFTCAR = 0x5419;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCSSOFTCAR = 0x541a;
>>>> + aarch64_linux_record_tdep.ioctl_FIONREAD = 0x541b;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCINQ = 0x541b;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCLINUX = 0x541c;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCCONS = 0x541d;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCGSERIAL = 0x541e;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCSSERIAL = 0x541f;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCPKT = 0x5420;
>>>> + aarch64_linux_record_tdep.ioctl_FIONBIO = 0x5421;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCNOTTY = 0x5422;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCSETD = 0x5423;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCGETD = 0x5424;
>>>> + aarch64_linux_record_tdep.ioctl_TCSBRKP = 0x5425;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCTTYGSTRUCT = 0x5426;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCSBRK = 0x5427;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCCBRK = 0x5428;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCGSID = 0x5429;
>>>> + aarch64_linux_record_tdep.ioctl_TCGETS2 = 0x802c542a;
>>>> + aarch64_linux_record_tdep.ioctl_TCSETS2 = 0x402c542b;
>>>> + aarch64_linux_record_tdep.ioctl_TCSETSW2 = 0x402c542c;
>>>> + aarch64_linux_record_tdep.ioctl_TCSETSF2 = 0x402c542d;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCGPTN = 0x80045430;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCSPTLCK = 0x40045431;
>>>> + aarch64_linux_record_tdep.ioctl_FIONCLEX = 0x5450;
>>>> + aarch64_linux_record_tdep.ioctl_FIOCLEX = 0x5451;
>>>> + aarch64_linux_record_tdep.ioctl_FIOASYNC = 0x5452;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCSERCONFIG = 0x5453;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCSERGWILD = 0x5454;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCSERSWILD = 0x5455;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCGLCKTRMIOS = 0x5456;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCSLCKTRMIOS = 0x5457;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCSERGSTRUCT = 0x5458;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCSERGETLSR = 0x5459;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCSERGETMULTI = 0x545a;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCSERSETMULTI = 0x545b;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCMIWAIT = 0x545c;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCGICOUNT = 0x545d;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCGHAYESESP = 0x545e;
>>>> + aarch64_linux_record_tdep.ioctl_TIOCSHAYESESP = 0x545f;
>>>> + aarch64_linux_record_tdep.ioctl_FIOQSIZE = 0x5460;
>>>> +
>>>> + /* These values are the second argument of system call "sys_fcntl"
>>>> + and "sys_fcntl64". They are obtained from Linux Kernel source. */
>>>> + aarch64_linux_record_tdep.fcntl_F_GETLK = 5;
>>>> + aarch64_linux_record_tdep.fcntl_F_GETLK64 = 12;
>>>> + aarch64_linux_record_tdep.fcntl_F_SETLK64 = 13;
>>>> + aarch64_linux_record_tdep.fcntl_F_SETLKW64 = 14;
>>>> +
>>>> + /* The AArch64 syscall calling convention: reg x0-x7 for arguments,
>>>> + reg x8 for syscall number and return value in reg x0. */
>>>> + aarch64_linux_record_tdep.arg1 = AARCH64_X0_REGNUM + 0;
>>>> + aarch64_linux_record_tdep.arg2 = AARCH64_X0_REGNUM + 1;
>>>> + aarch64_linux_record_tdep.arg3 = AARCH64_X0_REGNUM + 2;
>>>> + aarch64_linux_record_tdep.arg4 = AARCH64_X0_REGNUM + 3;
>>>> + aarch64_linux_record_tdep.arg5 = AARCH64_X0_REGNUM + 4;
>>>> + aarch64_linux_record_tdep.arg6 = AARCH64_X0_REGNUM + 5;
>>>> + aarch64_linux_record_tdep.arg7 = AARCH64_X0_REGNUM + 6;
>>>> + aarch64_linux_record_tdep.arg8 = AARCH64_X0_REGNUM + 7;
>>>> }
>>>>
>>>> /* Provide a prototype to silence -Wmissing-prototypes. */
>>>> diff --git a/gdb/aarch64-linux-tdep.h b/gdb/aarch64-linux-tdep.h
>>>> index 2e1de60..1ae3786 100644
>>>> --- a/gdb/aarch64-linux-tdep.h
>>>> +++ b/gdb/aarch64-linux-tdep.h
>>>> @@ -32,3 +32,269 @@
>>>>
>>>> extern const struct regset aarch64_linux_gregset;
>>>> extern const struct regset aarch64_linux_fpregset;
>>>> +
>>>> +/* Enum that defines the AArch64 linux specific syscall identifiers used for
>>>> + process record/replay. */
>>>> +
>>>> +enum aarch64_syscall {
>>>> + aarch64_sys_io_setup = 0,
>>>> + aarch64_sys_io_destroy = 1,
>>>> + aarch64_sys_io_submit = 2,
>>>> + aarch64_sys_io_cancel = 3,
>>>> + aarch64_sys_io_getevents = 4,
>>>> + aarch64_sys_setxattr = 5,
>>>> + aarch64_sys_lsetxattr = 6,
>>>> + aarch64_sys_fsetxattr = 7,
>>>> + aarch64_sys_getxattr = 8,
>>>> + aarch64_sys_lgetxattr = 9,
>>>> + aarch64_sys_fgetxattr = 10,
>>>> + aarch64_sys_listxattr = 11,
>>>> + aarch64_sys_llistxattr = 12,
>>>> + aarch64_sys_flistxattr = 13,
>>>> + aarch64_sys_removexattr = 14,
>>>> + aarch64_sys_lremovexattr = 15,
>>>> + aarch64_sys_fremovexattr = 16,
>>>> + aarch64_sys_getcwd = 17,
>>>> + aarch64_sys_lookup_dcookie = 18,
>>>> + aarch64_sys_eventfd2 = 19,
>>>> + aarch64_sys_epoll_create1 = 20,
>>>> + aarch64_sys_epoll_ctl = 21,
>>>> + aarch64_sys_epoll_pwait = 22,
>>>> + aarch64_sys_dup = 23,
>>>> + aarch64_sys_dup3 = 24,
>>>> + aarch64_sys_fcntl = 25,
>>>> + aarch64_sys_inotify_init1 = 26,
>>>> + aarch64_sys_inotify_add_watch = 27,
>>>> + aarch64_sys_inotify_rm_watch = 28,
>>>> + aarch64_sys_ioctl = 29,
>>>> + aarch64_sys_ioprio_set = 30,
>>>> + aarch64_sys_ioprio_get = 31,
>>>> + aarch64_sys_flock = 32,
>>>> + aarch64_sys_mknod = 33,
>>>> + aarch64_sys_mkdir = 34,
>>>> + aarch64_sys_unlink = 35,
>>>> + aarch64_sys_symlink = 36,
>>>> + aarch64_sys_link = 37,
>>>> + aarch64_sys_rename = 38,
>>>> + aarch64_sys_umount2 = 39,
>>>> + aarch64_sys_mount = 40,
>>>> + aarch64_sys_pivot_root = 41,
>>>> + aarch64_sys_nfsservctl = 42,
>>>> + aarch64_sys_statfs = 43,
>>>> + aarch64_sys_fstatfs = 44,
>>>> + aarch64_sys_truncate = 45,
>>>> + aarch64_sys_ftruncate = 46,
>>>> + aarch64_sys_fallocate = 47,
>>>> + aarch64_sys_faccess = 48,
>>>> + aarch64_sys_chdir = 49,
>>>> + aarch64_sys_fchdir = 50,
>>>> + aarch64_sys_chroot = 51,
>>>> + aarch64_sys_fchmod = 52,
>>>> + aarch64_sys_fchmodat = 53,
>>>> + aarch64_sys_fchownat = 54,
>>>> + aarch64_sys_fchown = 55,
>>>> + aarch64_sys_open = 56,
>>>> + aarch64_sys_close = 57,
>>>> + aarch64_sys_vhangup = 58,
>>>> + aarch64_sys_pipe2 = 59,
>>>> + aarch64_sys_quotactl = 60,
>>>> + aarch64_sys_getdents64 = 61,
>>>> + aarch64_sys_lseek = 62,
>>>> + aarch64_sys_read = 63,
>>>> + aarch64_sys_write = 64,
>>>> + aarch64_sys_readv = 65,
>>>> + aarch64_sys_writev = 66,
>>>> + aarch64_sys_pread64 = 67,
>>>> + aarch64_sys_pwrite64 = 68,
>>>> + aarch64_sys_preadv = 69,
>>>> + aarch64_sys_pwritev = 70,
>>>> + aarch64_sys_sendfile = 71,
>>>> + aarch64_sys_pselect6 = 72,
>>>> + aarch64_sys_ppoll = 73,
>>>> + aarch64_sys_signalfd4 = 74,
>>>> + aarch64_sys_vmsplice = 75,
>>>> + aarch64_sys_splice = 76,
>>>> + aarch64_sys_tee = 77,
>>>> + aarch64_sys_readlink = 78,
>>>> + aarch64_sys_fstatat = 79,
>>>> + aarch64_sys_fstat = 80,
>>>> + aarch64_sys_sync = 81,
>>>> + aarch64_sys_fsync = 82,
>>>> + aarch64_sys_fdatasync = 83,
>>>> + aarch64_sys_sync_file_range2 = 84,
>>>> + aarch64_sys_sync_file_range = 84,
>>>> + aarch64_sys_timerfd_create = 85,
>>>> + aarch64_sys_timerfd_settime = 86,
>>>> + aarch64_sys_timerfd_gettime = 87,
>>>> + aarch64_sys_utimensat = 88,
>>>> + aarch64_sys_acct = 89,
>>>> + aarch64_sys_capget = 90,
>>>> + aarch64_sys_capset = 91,
>>>> + aarch64_sys_personality = 92,
>>>> + aarch64_sys_exit = 93,
>>>> + aarch64_sys_exit_group = 94,
>>>> + aarch64_sys_waitid = 95,
>>>> + aarch64_sys_set_tid_address = 96,
>>>> + aarch64_sys_unshare = 97,
>>>> + aarch64_sys_futex = 98,
>>>> + aarch64_sys_set_robust_list = 99,
>>>> + aarch64_sys_get_robust_list = 100,
>>>> + aarch64_sys_nanosleep = 101,
>>>> + aarch64_sys_getitimer = 102,
>>>> + aarch64_sys_setitimer = 103,
>>>> + aarch64_sys_kexec_load = 104,
>>>> + aarch64_sys_init_module = 105,
>>>> + aarch64_sys_delete_module = 106,
>>>> + aarch64_sys_timer_create = 107,
>>>> + aarch64_sys_timer_gettime = 108,
>>>> + aarch64_sys_timer_getoverrun = 109,
>>>> + aarch64_sys_timer_settime = 110,
>>>> + aarch64_sys_timer_delete = 111,
>>>> + aarch64_sys_clock_settime = 112,
>>>> + aarch64_sys_clock_gettime = 113,
>>>> + aarch64_sys_clock_getres = 114,
>>>> + aarch64_sys_clock_nanosleep = 115,
>>>> + aarch64_sys_syslog = 116,
>>>> + aarch64_sys_ptrace = 117,
>>>> + aarch64_sys_sched_setparam = 118,
>>>> + aarch64_sys_sched_setscheduler = 119,
>>>> + aarch64_sys_sched_getscheduler = 120,
>>>> + aarch64_sys_sched_getparam = 121,
>>>> + aarch64_sys_sched_setaffinity = 122,
>>>> + aarch64_sys_sched_getaffinity = 123,
>>>> + aarch64_sys_sched_yield = 124,
>>>> + aarch64_sys_sched_get_priority_max = 125,
>>>> + aarch64_sys_sched_get_priority_min = 126,
>>>> + aarch64_sys_sched_rr_get_interval = 127,
>>>> + aarch64_sys_kill = 129,
>>>> + aarch64_sys_tkill = 130,
>>>> + aarch64_sys_tgkill = 131,
>>>> + aarch64_sys_sigaltstack = 132,
>>>> + aarch64_sys_rt_sigsuspend = 133,
>>>> + aarch64_sys_rt_sigaction = 134,
>>>> + aarch64_sys_rt_sigprocmask = 135,
>>>> + aarch64_sys_rt_sigpending = 136,
>>>> + aarch64_sys_rt_sigtimedwait = 137,
>>>> + aarch64_sys_rt_sigqueueinfo = 138,
>>>> + aarch64_sys_rt_sigreturn = 139,
>>>> + aarch64_sys_setpriority = 140,
>>>> + aarch64_sys_getpriority = 141,
>>>> + aarch64_sys_reboot = 142,
>>>> + aarch64_sys_setregid = 143,
>>>> + aarch64_sys_setgid = 144,
>>>> + aarch64_sys_setreuid = 145,
>>>> + aarch64_sys_setuid = 146,
>>>> + aarch64_sys_setresuid = 147,
>>>> + aarch64_sys_getresuid = 148,
>>>> + aarch64_sys_setresgid = 149,
>>>> + aarch64_sys_getresgid = 150,
>>>> + aarch64_sys_setfsuid = 151,
>>>> + aarch64_sys_setfsgid = 152,
>>>> + aarch64_sys_times = 153,
>>>> + aarch64_sys_setpgid = 154,
>>>> + aarch64_sys_getpgid = 155,
>>>> + aarch64_sys_getsid = 156,
>>>> + aarch64_sys_setsid = 157,
>>>> + aarch64_sys_getgroups = 158,
>>>> + aarch64_sys_setgroups = 159,
>>>> + aarch64_sys_uname = 160,
>>>> + aarch64_sys_sethostname = 161,
>>>> + aarch64_sys_setdomainname = 162,
>>>> + aarch64_sys_getrlimit = 163,
>>>> + aarch64_sys_setrlimit = 164,
>>>> + aarch64_sys_getrusage = 165,
>>>> + aarch64_sys_umask = 166,
>>>> + aarch64_sys_prctl = 167,
>>>> + aarch64_sys_getcpu = 168,
>>>> + aarch64_sys_gettimeofday = 169,
>>>> + aarch64_sys_settimeofday = 170,
>>>> + aarch64_sys_adjtimex = 171,
>>>> + aarch64_sys_getpid = 172,
>>>> + aarch64_sys_getppid = 173,
>>>> + aarch64_sys_getuid = 174,
>>>> + aarch64_sys_geteuid = 175,
>>>> + aarch64_sys_getgid = 176,
>>>> + aarch64_sys_getegid = 177,
>>>> + aarch64_sys_gettid = 178,
>>>> + aarch64_sys_sysinfo = 179,
>>>> + aarch64_sys_mq_open = 180,
>>>> + aarch64_sys_mq_unlink = 181,
>>>> + aarch64_sys_mq_timedsend = 182,
>>>> + aarch64_sys_mq_timedreceive = 183,
>>>> + aarch64_sys_mq_notify = 184,
>>>> + aarch64_sys_mq_getsetattr = 185,
>>>> + aarch64_sys_msgget = 186,
>>>> + aarch64_sys_msgctl = 187,
>>>> + aarch64_sys_msgrcv = 188,
>>>> + aarch64_sys_msgsnd = 189,
>>>> + aarch64_sys_semget = 190,
>>>> + aarch64_sys_semctl = 191,
>>>> + aarch64_sys_semtimedop = 192,
>>>> + aarch64_sys_semop = 193,
>>>> + aarch64_sys_shmget = 194,
>>>> + aarch64_sys_shmctl = 195,
>>>> + aarch64_sys_shmat = 196,
>>>> + aarch64_sys_shmdt = 197,
>>>> + aarch64_sys_socket = 198,
>>>> + aarch64_sys_socketpair = 199,
>>>> + aarch64_sys_bind = 200,
>>>> + aarch64_sys_listen = 201,
>>>> + aarch64_sys_accept = 202,
>>>> + aarch64_sys_connect = 203,
>>>> + aarch64_sys_getsockname = 204,
>>>> + aarch64_sys_getpeername = 205,
>>>> + aarch64_sys_sendto = 206,
>>>> + aarch64_sys_recvfrom = 207,
>>>> + aarch64_sys_setsockopt = 208,
>>>> + aarch64_sys_getsockopt = 209,
>>>> + aarch64_sys_shutdown = 210,
>>>> + aarch64_sys_sendmsg = 211,
>>>> + aarch64_sys_recvmsg = 212,
>>>> + aarch64_sys_readahead = 213,
>>>> + aarch64_sys_brk = 214,
>>>> + aarch64_sys_munmap = 215,
>>>> + aarch64_sys_mremap = 216,
>>>> + aarch64_sys_add_key = 217,
>>>> + aarch64_sys_request_key = 218,
>>>> + aarch64_sys_keyctl = 219,
>>>> + aarch64_sys_clone = 220,
>>>> + aarch64_sys_execve = 221,
>>>> + aarch64_sys_mmap = 222,
>>>> + aarch64_sys_fadvise64 = 223,
>>>> + aarch64_sys_swapon = 224,
>>>> + aarch64_sys_swapoff = 225,
>>>> + aarch64_sys_mprotect = 226,
>>>> + aarch64_sys_msync = 227,
>>>> + aarch64_sys_mlock = 228,
>>>> + aarch64_sys_munlock = 229,
>>>> + aarch64_sys_mlockall = 230,
>>>> + aarch64_sys_munlockall = 231,
>>>> + aarch64_sys_mincore = 232,
>>>> + aarch64_sys_madvise = 233,
>>>> + aarch64_sys_remap_file_pages = 234,
>>>> + aarch64_sys_mbind = 235,
>>>> + aarch64_sys_get_mempolicy = 236,
>>>> + aarch64_sys_set_mempolicy = 237,
>>>> + aarch64_sys_migrate_pages = 238,
>>>> + aarch64_sys_move_pages = 239,
>>>> + aarch64_sys_rt_tgsigqueueinfo = 240,
>>>> + aarch64_sys_perf_event_open = 241,
>>>> + aarch64_sys_accept4 = 242,
>>>> + aarch64_sys_recvmmsg = 243,
>>>> + aarch64_sys_wait4 = 260,
>>>> + aarch64_sys_prlimit64 = 261,
>>>> + aarch64_sys_fanotify_init = 262,
>>>> + aarch64_sys_fanotify_mark = 263,
>>>> + aarch64_sys_name_to_handle_at = 264,
>>>> + aarch64_sys_open_by_handle_at = 265,
>>>> + aarch64_sys_clock_adjtime = 266,
>>>> + aarch64_sys_syncfs = 267,
>>>> + aarch64_sys_setns = 268,
>>>> + aarch64_sys_sendmmsg = 269,
>>>> + aarch64_sys_process_vm_readv = 270,
>>>> + aarch64_sys_process_vm_writev = 271,
>>>> + aarch64_sys_kcmp = 272,
>>>> + aarch64_sys_finit_module = 273,
>>>> + aarch64_sys_sched_setattr = 274,
>>>> + aarch64_sys_sched_getattr = 275,
>>>> +};
>>>> diff --git a/gdb/aarch64-tdep.c b/gdb/aarch64-tdep.c
>>>> index 0847585..c6da25a 100644
>>>> --- a/gdb/aarch64-tdep.c
>>>> +++ b/gdb/aarch64-tdep.c
>>>> @@ -2941,7 +2941,20 @@ aarch64_record_branch_except_sys (insn_decode_record *aarch64_insn_r)
>>>> {
>>>> /* Exception generation instructions. */
>>>> if (insn_bits24_27 == 0x04)
>>>> - return AARCH64_RECORD_UNSUPPORTED;
>>>> + {
>>>> + if (!bits (aarch64_insn_r->aarch64_insn, 2, 4) &&
>>>> + !bits (aarch64_insn_r->aarch64_insn, 21, 23) &&
>>>> + bits (aarch64_insn_r->aarch64_insn, 0, 1) == 0x01)
>>>> + {
>>>> + ULONGEST svc_number;
>>>> + regcache_raw_read_unsigned (aarch64_insn_r->regcache, 8,
>>>> + &svc_number);
>>>> + return tdep->aarch64_syscall_record (aarch64_insn_r->regcache,
>>>> + svc_number);
>>>> + }
>>>> + else
>>>> + return AARCH64_RECORD_UNSUPPORTED;
>>>> + }
>>>> /* System instructions. */
>>>> else if (insn_bits24_27 == 0x05 && insn_bits22_23 == 0x00)
>>>> {
>>>> diff --git a/gdb/aarch64-tdep.h b/gdb/aarch64-tdep.h
>>>> index 1d74ef8..25751fe 100644
>>>> --- a/gdb/aarch64-tdep.h
>>>> +++ b/gdb/aarch64-tdep.h
>>>> @@ -88,6 +88,9 @@ struct gdbarch_tdep
>>>> struct type *vns_type;
>>>> struct type *vnh_type;
>>>> struct type *vnb_type;
>>>> +
>>>> + /* syscall record. */
>>>> + int (*aarch64_syscall_record) (struct regcache *regcache, unsigned long svc_number);
>>>> };
>>>>
>>>> /* AArch64 process record-replay related structures, defines etc. */
>>>> diff --git a/gdb/linux-record.h b/gdb/linux-record.h
>>>> index 7b5218e..2649ce5 100644
>>>> --- a/gdb/linux-record.h
>>>> +++ b/gdb/linux-record.h
>>>> @@ -174,6 +174,8 @@ struct linux_record_tdep
>>>> int arg4;
>>>> int arg5;
>>>> int arg6;
>>>> + int arg7;
>>>> + int arg8;
>>>> };
>>>>
>>>> /* Enum that defines the gdb-canonical set of Linux syscall identifiers.
>>>> --
>>>> 1.9.1
>>>>
>>>
>>>
>>>
>>> --
>>> Will Newton
>>> Toolchain Working Group, Linaro
>>
>> Ping! Kindly help me approve this patch.
>
> ping!
>

ping!