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Re: [PATCH 5/7] Support for recording syscall on aarch64-linux
- From: Omair Javaid <omair dot javaid at linaro dot org>
- To: Will Newton <will dot newton at linaro dot org>, Pedro Alves <palves at redhat dot com>
- Cc: "gdb-patches at sourceware dot org" <gdb-patches at sourceware dot org>
- Date: Fri, 19 Sep 2014 03:27:29 +0500
- Subject: Re: [PATCH 5/7] Support for recording syscall on aarch64-linux
- Authentication-results: sourceware.org; auth=none
- References: <CANW4E-3YCXihEwozYx7b7UPn9kv8fNYjYAapr5xoAhi6RBT3pw at mail dot gmail dot com> <1409313190-23768-1-git-send-email-omair dot javaid at linaro dot org> <CANu=DmiqrbeJAPj1uKyayj1oF0FkxNrpbi5yiw3Px6CR8NqMPA at mail dot gmail dot com>
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.