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author | Omair Javaid <omair.javaid@linaro.org> | 2015-05-11 12:10:46 +0100 |
---|---|---|
committer | Yao Qi <yao.qi@linaro.org> | 2015-05-26 12:42:07 +0100 |
commit | 99afc88b396045cfe3755bede41a45ad3bed021d (patch) | |
tree | f663dbf78829f4cf535697af77ddb7fff19d5e1d /gdb/aarch64-linux-tdep.c | |
parent | c16a3f522a71a20ff6e26599d684a61ac6acecca (diff) | |
download | gdb-99afc88b396045cfe3755bede41a45ad3bed021d.zip gdb-99afc88b396045cfe3755bede41a45ad3bed021d.tar.gz gdb-99afc88b396045cfe3755bede41a45ad3bed021d.tar.bz2 |
Implements aarch64 process record and reverse debugging support
This patch adds the support of aarch64-linux process record and reverse
debugging. The implementation is similar to ARM's counterpart.
2015-05-26 Omair Javaid <omair.javaid@linaro.org>
Yao Qi <yao.qi@linaro.org>
* aarch64-linux-tdep.c: Include linux-record.h and
record-full.h.
(struct linux_record_tdep aarch64_linux_record_tdep): Declare.
(aarch64_syscall): New enum.
(aarch64_canonicalize_syscall): New function.
(aarch64_all_but_pc_registers_record): New function.
(aarch64_linux_syscall_record): New function.
(aarch64_linux_init_abi): Install AArch64 process record
handler. Update to handle syscall recording.
* aarch64-tdep.c: Include record.h and record-full.h.
(submask, bit, bits, REG_ALLOC, MEM_ALLOC): New macros.
(struct aarch64_mem_r): Define.
(aarch64_record_result): New enum.
(struct insn_decode_record): Define.
(insn_decode_record): New typedef.
(aarch64_record_data_proc_reg): New function.
(aarch64_record_data_proc_imm): New function.
(aarch64_record_branch_except_sys): New function.
(aarch64_record_load_store): New function.
(aarch64_record_data_proc_simd_fp): New function.
(aarch64_record_asimd_load_store): New function.
(aarch64_record_decode_insn_handler): New function.
(deallocate_reg_mem): New function.
(aarch64_process_record): New function.
* aarch64-tdep.h (struct gdbarch_tdep) <aarch64_syscall_record>:
New field.
(aarch64_process_record): New extern declaration.
* configure.tgt: Add linux-record.o to gdb_target_obs.
* linux-record.h (struct linux_record_tdep) <arg7>: New field.
Diffstat (limited to 'gdb/aarch64-linux-tdep.c')
-rw-r--r-- | gdb/aarch64-linux-tdep.c | 739 |
1 files changed, 739 insertions, 0 deletions
diff --git a/gdb/aarch64-linux-tdep.c b/gdb/aarch64-linux-tdep.c index 0ee5ecb..2f93846 100644 --- a/gdb/aarch64-linux-tdep.c +++ b/gdb/aarch64-linux-tdep.c @@ -42,6 +42,9 @@ #include "xml-syscall.h" #include <ctype.h> +#include "record-full.h" +#include "linux-record.h" + /* Signal frame handling. +------------+ ^ @@ -364,6 +367,576 @@ aarch64_linux_get_syscall_number (struct gdbarch *gdbarch, return ret; } +/* AArch64 process record-replay constructs: syscall, signal etc. */ + +struct linux_record_tdep aarch64_linux_record_tdep; + +/* 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, +}; + +/* 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) +{ +#define SYSCALL_MAP(SYSCALL) case aarch64_sys_##SYSCALL: \ + return gdb_sys_##SYSCALL + + switch (syscall_number) + { + SYSCALL_MAP (io_setup); + SYSCALL_MAP (io_destroy); + SYSCALL_MAP (io_submit); + SYSCALL_MAP (io_cancel); + SYSCALL_MAP (io_getevents); + + SYSCALL_MAP (setxattr); + SYSCALL_MAP (lsetxattr); + SYSCALL_MAP (fsetxattr); + SYSCALL_MAP (getxattr); + SYSCALL_MAP (lgetxattr); + SYSCALL_MAP (fgetxattr); + SYSCALL_MAP (listxattr); + SYSCALL_MAP (llistxattr); + SYSCALL_MAP (flistxattr); + SYSCALL_MAP (removexattr); + SYSCALL_MAP (lremovexattr); + SYSCALL_MAP (fremovexattr); + SYSCALL_MAP (getcwd); + SYSCALL_MAP (lookup_dcookie); + + case aarch64_sys_epoll_create1: + return gdb_sys_epoll_create; + + SYSCALL_MAP (epoll_ctl); + SYSCALL_MAP (epoll_pwait); + SYSCALL_MAP (dup); + SYSCALL_MAP (fcntl); + SYSCALL_MAP (inotify_add_watch); + SYSCALL_MAP (inotify_rm_watch); + SYSCALL_MAP (ioctl); + SYSCALL_MAP (ioprio_set); + SYSCALL_MAP (ioprio_get); + SYSCALL_MAP (flock); + SYSCALL_MAP (mount); + SYSCALL_MAP (nfsservctl); + SYSCALL_MAP (statfs); + SYSCALL_MAP (truncate); + SYSCALL_MAP (ftruncate); + SYSCALL_MAP (fchdir); + SYSCALL_MAP (chroot); + SYSCALL_MAP (fchmod); + SYSCALL_MAP (fchmodat); + SYSCALL_MAP (fchownat); + SYSCALL_MAP (fchown); + SYSCALL_MAP (close); + SYSCALL_MAP (vhangup); + SYSCALL_MAP (quotactl); + SYSCALL_MAP (getdents64); + SYSCALL_MAP (lseek); + SYSCALL_MAP (read); + SYSCALL_MAP (write); + SYSCALL_MAP (readv); + SYSCALL_MAP (writev); + SYSCALL_MAP (pread64); + SYSCALL_MAP (pwrite64); + SYSCALL_MAP (sendfile); + SYSCALL_MAP (pselect6); + SYSCALL_MAP (ppoll); + SYSCALL_MAP (vmsplice); + SYSCALL_MAP (splice); + SYSCALL_MAP (tee); + SYSCALL_MAP (fstat); + SYSCALL_MAP (sync); + SYSCALL_MAP (fsync); + SYSCALL_MAP (fdatasync); + SYSCALL_MAP (sync_file_range); + SYSCALL_MAP (acct); + SYSCALL_MAP (capget); + SYSCALL_MAP (capset); + SYSCALL_MAP (personality); + SYSCALL_MAP (exit); + SYSCALL_MAP (exit_group); + SYSCALL_MAP (waitid); + SYSCALL_MAP (set_tid_address); + SYSCALL_MAP (unshare); + SYSCALL_MAP (futex); + SYSCALL_MAP (set_robust_list); + SYSCALL_MAP (get_robust_list); + SYSCALL_MAP (nanosleep); + + SYSCALL_MAP (getitimer); + SYSCALL_MAP (setitimer); + SYSCALL_MAP (kexec_load); + SYSCALL_MAP (init_module); + SYSCALL_MAP (delete_module); + SYSCALL_MAP (timer_create); + SYSCALL_MAP (timer_settime); + SYSCALL_MAP (timer_gettime); + SYSCALL_MAP (timer_getoverrun); + SYSCALL_MAP (timer_delete); + SYSCALL_MAP (clock_settime); + SYSCALL_MAP (clock_gettime); + SYSCALL_MAP (clock_getres); + SYSCALL_MAP (clock_nanosleep); + SYSCALL_MAP (syslog); + SYSCALL_MAP (ptrace); + SYSCALL_MAP (sched_setparam); + SYSCALL_MAP (sched_setscheduler); + SYSCALL_MAP (sched_getscheduler); + SYSCALL_MAP (sched_getparam); + SYSCALL_MAP (sched_setaffinity); + SYSCALL_MAP (sched_getaffinity); + SYSCALL_MAP (sched_yield); + SYSCALL_MAP (sched_get_priority_max); + SYSCALL_MAP (sched_get_priority_min); + SYSCALL_MAP (sched_rr_get_interval); + SYSCALL_MAP (kill); + SYSCALL_MAP (tkill); + SYSCALL_MAP (tgkill); + SYSCALL_MAP (sigaltstack); + SYSCALL_MAP (rt_sigsuspend); + SYSCALL_MAP (rt_sigaction); + SYSCALL_MAP (rt_sigprocmask); + SYSCALL_MAP (rt_sigpending); + SYSCALL_MAP (rt_sigtimedwait); + SYSCALL_MAP (rt_sigqueueinfo); + SYSCALL_MAP (rt_sigreturn); + SYSCALL_MAP (setpriority); + SYSCALL_MAP (getpriority); + SYSCALL_MAP (reboot); + SYSCALL_MAP (setregid); + SYSCALL_MAP (setgid); + SYSCALL_MAP (setreuid); + SYSCALL_MAP (setuid); + SYSCALL_MAP (setresuid); + SYSCALL_MAP (getresuid); + SYSCALL_MAP (setresgid); + SYSCALL_MAP (getresgid); + SYSCALL_MAP (setfsuid); + SYSCALL_MAP (setfsgid); + SYSCALL_MAP (times); + SYSCALL_MAP (setpgid); + SYSCALL_MAP (getpgid); + SYSCALL_MAP (getsid); + SYSCALL_MAP (setsid); + SYSCALL_MAP (getgroups); + SYSCALL_MAP (setgroups); + SYSCALL_MAP (uname); + SYSCALL_MAP (sethostname); + SYSCALL_MAP (setdomainname); + SYSCALL_MAP (getrlimit); + SYSCALL_MAP (setrlimit); + SYSCALL_MAP (getrusage); + SYSCALL_MAP (umask); + SYSCALL_MAP (prctl); + SYSCALL_MAP (gettimeofday); + SYSCALL_MAP (settimeofday); + SYSCALL_MAP (adjtimex); + SYSCALL_MAP (getpid); + SYSCALL_MAP (getppid); + SYSCALL_MAP (getuid); + SYSCALL_MAP (geteuid); + SYSCALL_MAP (getgid); + SYSCALL_MAP (getegid); + SYSCALL_MAP (gettid); + SYSCALL_MAP (sysinfo); + SYSCALL_MAP (mq_open); + SYSCALL_MAP (mq_unlink); + SYSCALL_MAP (mq_timedsend); + SYSCALL_MAP (mq_timedreceive); + SYSCALL_MAP (mq_notify); + SYSCALL_MAP (mq_getsetattr); + SYSCALL_MAP (msgget); + SYSCALL_MAP (msgctl); + SYSCALL_MAP (msgrcv); + SYSCALL_MAP (msgsnd); + SYSCALL_MAP (semget); + SYSCALL_MAP (semctl); + SYSCALL_MAP (semtimedop); + SYSCALL_MAP (semop); + SYSCALL_MAP (shmget); + SYSCALL_MAP (shmctl); + SYSCALL_MAP (shmat); + SYSCALL_MAP (shmdt); + SYSCALL_MAP (socket); + SYSCALL_MAP (socketpair); + SYSCALL_MAP (bind); + SYSCALL_MAP (listen); + SYSCALL_MAP (accept); + SYSCALL_MAP (connect); + SYSCALL_MAP (getsockname); + SYSCALL_MAP (getpeername); + SYSCALL_MAP (sendto); + SYSCALL_MAP (recvfrom); + SYSCALL_MAP (setsockopt); + SYSCALL_MAP (getsockopt); + SYSCALL_MAP (shutdown); + SYSCALL_MAP (sendmsg); + SYSCALL_MAP (recvmsg); + SYSCALL_MAP (readahead); + SYSCALL_MAP (brk); + SYSCALL_MAP (munmap); + SYSCALL_MAP (mremap); + SYSCALL_MAP (add_key); + SYSCALL_MAP (request_key); + SYSCALL_MAP (keyctl); + SYSCALL_MAP (clone); + SYSCALL_MAP (execve); + + case aarch64_sys_mmap: + return gdb_sys_mmap2; + + SYSCALL_MAP (fadvise64); + SYSCALL_MAP (swapon); + SYSCALL_MAP (swapoff); + SYSCALL_MAP (mprotect); + SYSCALL_MAP (msync); + SYSCALL_MAP (mlock); + SYSCALL_MAP (munlock); + SYSCALL_MAP (mlockall); + SYSCALL_MAP (munlockall); + SYSCALL_MAP (mincore); + SYSCALL_MAP (madvise); + SYSCALL_MAP (remap_file_pages); + SYSCALL_MAP (mbind); + SYSCALL_MAP (get_mempolicy); + SYSCALL_MAP (set_mempolicy); + SYSCALL_MAP (migrate_pages); + SYSCALL_MAP (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 = AARCH64_X0_REGNUM; i < AARCH64_PC_REGNUM; i++) + if (record_full_arch_list_add_reg (regcache, i)) + return -1; + + if (record_full_arch_list_add_reg (regcache, AARCH64_CPSR_REGNUM)) + return -1; + + return 0; +} + +/* Handler for aarch64 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; + + 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) { @@ -409,6 +982,172 @@ aarch64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) set_gdbarch_stap_parse_special_token (gdbarch, aarch64_stap_parse_special_token); + /* 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-x6 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; + /* `catch syscall' */ set_xml_syscall_file_name (gdbarch, "syscalls/aarch64-linux.xml"); set_gdbarch_get_syscall_number (gdbarch, aarch64_linux_get_syscall_number); |