new file mode 100644
@@ -0,0 +1,348 @@
+/* Target-dependent code for LoongArch
+
+ Copyright (C) 2024 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* The syscall number definitions are obtained from Linux kernel header file.
+ https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/uapi/asm-generic/unistd.h
+ https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/loongarch/include/asm/unistd.h */
+
+#ifndef ARCH_LOONGARCH_SYSCALL_H
+#define ARCH_LOONGARCH_SYSCALL_H
+
+enum loongarch_syscall
+{
+ loongarch_sys_io_setup = 0,
+ loongarch_sys_io_destroy = 1,
+ loongarch_sys_io_submit = 2,
+ loongarch_sys_io_cancel = 3,
+ loongarch_sys_io_getevents = 4,
+ loongarch_sys_setxattr = 5,
+ loongarch_sys_lsetxattr = 6,
+ loongarch_sys_fsetxattr = 7,
+ loongarch_sys_getxattr = 8,
+ loongarch_sys_lgetxattr = 9,
+ loongarch_sys_fgetxattr = 10,
+ loongarch_sys_listxattr = 11,
+ loongarch_sys_llistxattr = 12,
+ loongarch_sys_flistxattr = 13,
+ loongarch_sys_removexattr = 14,
+ loongarch_sys_lremovexattr = 15,
+ loongarch_sys_fremovexattr = 16,
+ loongarch_sys_getcwd = 17,
+ loongarch_sys_lookup_dcookie = 18,
+ loongarch_sys_eventfd2 = 19,
+ loongarch_sys_epoll_create1 = 20,
+ loongarch_sys_epoll_ctl = 21,
+ loongarch_sys_epoll_pwait = 22,
+ loongarch_sys_dup = 23,
+ loongarch_sys_dup3 = 24,
+ loongarch_sys_fcntl = 25,
+ loongarch_sys_inotify_init1 = 26,
+ loongarch_sys_inotify_add_watch = 27,
+ loongarch_sys_inotify_rm_watch = 28,
+ loongarch_sys_ioctl = 29,
+ loongarch_sys_ioprio_set = 30,
+ loongarch_sys_ioprio_get = 31,
+ loongarch_sys_flock = 32,
+ loongarch_sys_mknodat = 33,
+ loongarch_sys_mkdirat = 34,
+ loongarch_sys_unlinkat = 35,
+ loongarch_sys_symlinkat = 36,
+ loongarch_sys_linkat = 37,
+
+ loongarch_sys_umount2 = 39,
+ loongarch_sys_mount = 40,
+ loongarch_sys_pivot_root = 41,
+ loongarch_sys_nfsservctl = 42,
+ loongarch_sys_statfs = 43,
+ loongarch_sys_fstatfs = 44,
+ loongarch_sys_truncate = 45,
+ loongarch_sys_ftruncate = 46,
+ loongarch_sys_fallocate = 47,
+ loongarch_sys_faccessat = 48,
+ loongarch_sys_chdir = 49,
+ loongarch_sys_fchdir = 50,
+ loongarch_sys_chroot = 51,
+ loongarch_sys_fchmod = 52,
+ loongarch_sys_fchmodat = 53,
+ loongarch_sys_fchownat = 54,
+ loongarch_sys_fchown = 55,
+ loongarch_sys_openat = 56,
+ loongarch_sys_close = 57,
+ loongarch_sys_vhangup = 58,
+ loongarch_sys_pipe2 = 59,
+ loongarch_sys_quotactl = 60,
+ loongarch_sys_getdents64 = 61,
+ loongarch_sys_lseek = 62,
+ loongarch_sys_read = 63,
+ loongarch_sys_write = 64,
+ loongarch_sys_readv = 65,
+ loongarch_sys_writev = 66,
+ loongarch_sys_pread64 = 67,
+ loongarch_sys_pwrite64 = 68,
+ loongarch_sys_preadv = 69,
+ loongarch_sys_pwritev = 70,
+ loongarch_sys_sendfile = 71,
+ loongarch_sys_pselect6 = 72,
+ loongarch_sys_ppoll = 73,
+ loongarch_sys_signalfd4 = 74,
+ loongarch_sys_vmsplice = 75,
+ loongarch_sys_splice = 76,
+ loongarch_sys_tee = 77,
+ loongarch_sys_readlinkat = 78,
+ loongarch_sys_newfstatat = 79,
+ loongarch_sys_fstat = 80,
+ loongarch_sys_sync = 81,
+ loongarch_sys_fsync = 82,
+ loongarch_sys_fdatasync = 83,
+ loongarch_sys_sync_file_range = 84,
+ loongarch_sys_timerfd_create = 85,
+ loongarch_sys_timerfd_settime = 86,
+ loongarch_sys_timerfd_gettime = 87,
+ loongarch_sys_utimensat = 88,
+ loongarch_sys_acct = 89,
+ loongarch_sys_capget = 90,
+ loongarch_sys_capset = 91,
+ loongarch_sys_personality = 92,
+ loongarch_sys_exit = 93,
+ loongarch_sys_exit_group = 94,
+ loongarch_sys_waitid = 95,
+ loongarch_sys_set_tid_address = 96,
+ loongarch_sys_unshare = 97,
+ loongarch_sys_futex = 98,
+ loongarch_sys_set_robust_list = 99,
+ loongarch_sys_get_robust_list = 100,
+ loongarch_sys_nanosleep = 101,
+ loongarch_sys_getitimer = 102,
+ loongarch_sys_setitimer = 103,
+ loongarch_sys_kexec_load = 104,
+ loongarch_sys_init_module = 105,
+ loongarch_sys_delete_module = 106,
+ loongarch_sys_timer_create = 107,
+ loongarch_sys_timer_gettime = 108,
+ loongarch_sys_timer_getoverrun = 109,
+ loongarch_sys_timer_settime = 110,
+ loongarch_sys_timer_delete = 111,
+ loongarch_sys_clock_settime = 112,
+ loongarch_sys_clock_gettime = 113,
+ loongarch_sys_clock_getres = 114,
+ loongarch_sys_clock_nanosleep = 115,
+ loongarch_sys_syslog = 116,
+ loongarch_sys_ptrace = 117,
+ loongarch_sys_sched_setparam = 118,
+ loongarch_sys_sched_setscheduler = 119,
+ loongarch_sys_sched_getscheduler = 120,
+ loongarch_sys_sched_getparam = 121,
+ loongarch_sys_sched_setaffinity = 122,
+ loongarch_sys_sched_getaffinity = 123,
+ loongarch_sys_sched_yield = 124,
+ loongarch_sys_sched_get_priority_max = 125,
+ loongarch_sys_sched_get_priority_min = 126,
+ loongarch_sys_sched_rr_get_interval = 127,
+ loongarch_sys_restart_syscall = 128,
+ loongarch_sys_kill = 129,
+ loongarch_sys_tkill = 130,
+ loongarch_sys_tgkill = 131,
+ loongarch_sys_sigaltstack = 132,
+ loongarch_sys_rt_sigsuspend = 133,
+ loongarch_sys_rt_sigaction = 134,
+ loongarch_sys_rt_sigprocmask = 135,
+ loongarch_sys_rt_sigpending = 136,
+ loongarch_sys_rt_sigtimedwait = 137,
+ loongarch_sys_rt_sigqueueinfo = 138,
+ loongarch_sys_rt_sigreturn = 139,
+ loongarch_sys_setpriority = 140,
+ loongarch_sys_getpriority = 141,
+ loongarch_sys_reboot = 142,
+ loongarch_sys_setregid = 143,
+ loongarch_sys_setgid = 144,
+ loongarch_sys_setreuid = 145,
+ loongarch_sys_setuid = 146,
+ loongarch_sys_setresuid = 147,
+ loongarch_sys_getresuid = 148,
+ loongarch_sys_setresgid = 149,
+ loongarch_sys_getresgid = 150,
+ loongarch_sys_setfsuid = 151,
+ loongarch_sys_setfsgid = 152,
+ loongarch_sys_times = 153,
+ loongarch_sys_setpgid = 154,
+ loongarch_sys_getpgid = 155,
+ loongarch_sys_getsid = 156,
+ loongarch_sys_setsid = 157,
+ loongarch_sys_getgroups = 158,
+ loongarch_sys_setgroups = 159,
+ loongarch_sys_uname = 160,
+ loongarch_sys_sethostname = 161,
+ loongarch_sys_setdomainname = 162,
+
+ loongarch_sys_getrusage = 165,
+ loongarch_sys_umask = 166,
+ loongarch_sys_prctl = 167,
+ loongarch_sys_getcpu = 168,
+ loongarch_sys_gettimeofday = 169,
+ loongarch_sys_settimeofday = 170,
+ loongarch_sys_adjtimex = 171,
+ loongarch_sys_getpid = 172,
+ loongarch_sys_getppid = 173,
+ loongarch_sys_getuid = 174,
+ loongarch_sys_geteuid = 175,
+ loongarch_sys_getgid = 176,
+ loongarch_sys_getegid = 177,
+ loongarch_sys_gettid = 178,
+ loongarch_sys_sysinfo = 179,
+ loongarch_sys_mq_open = 180,
+ loongarch_sys_mq_unlink = 181,
+ loongarch_sys_mq_timedsend = 182,
+ loongarch_sys_mq_timedreceive = 183,
+ loongarch_sys_mq_notify = 184,
+ loongarch_sys_mq_getsetattr = 185,
+ loongarch_sys_msgget = 186,
+ loongarch_sys_msgctl = 187,
+ loongarch_sys_msgrcv = 188,
+ loongarch_sys_msgsnd = 189,
+ loongarch_sys_semget = 190,
+ loongarch_sys_semctl = 191,
+ loongarch_sys_semtimedop = 192,
+ loongarch_sys_semop = 193,
+ loongarch_sys_shmget = 194,
+ loongarch_sys_shmctl = 195,
+ loongarch_sys_shmat = 196,
+ loongarch_sys_shmdt = 197,
+ loongarch_sys_socket = 198,
+ loongarch_sys_socketpair = 199,
+ loongarch_sys_bind = 200,
+ loongarch_sys_listen = 201,
+ loongarch_sys_accept = 202,
+ loongarch_sys_connect = 203,
+ loongarch_sys_getsockname = 204,
+ loongarch_sys_getpeername = 205,
+ loongarch_sys_sendto = 206,
+ loongarch_sys_recvfrom = 207,
+ loongarch_sys_setsockopt = 208,
+ loongarch_sys_getsockopt = 209,
+ loongarch_sys_shutdown = 210,
+ loongarch_sys_sendmsg = 211,
+ loongarch_sys_recvmsg = 212,
+ loongarch_sys_readahead = 213,
+ loongarch_sys_brk = 214,
+ loongarch_sys_munmap = 215,
+ loongarch_sys_mremap = 216,
+ loongarch_sys_add_key = 217,
+ loongarch_sys_request_key = 218,
+ loongarch_sys_keyctl = 219,
+ loongarch_sys_clone = 220,
+ loongarch_sys_execve = 221,
+ loongarch_sys_mmap = 222,
+ loongarch_sys_fadvise64 = 223,
+ loongarch_sys_swapon = 224,
+ loongarch_sys_swapoff = 225,
+ loongarch_sys_mprotect = 226,
+ loongarch_sys_msync = 227,
+ loongarch_sys_mlock = 228,
+ loongarch_sys_munlock = 229,
+ loongarch_sys_mlockall = 230,
+ loongarch_sys_munlockall = 231,
+ loongarch_sys_mincore = 232,
+ loongarch_sys_madvise = 233,
+ loongarch_sys_remap_file_pages = 234,
+ loongarch_sys_mbind = 235,
+ loongarch_sys_get_mempolicy = 236,
+ loongarch_sys_set_mempolicy = 237,
+ loongarch_sys_migrate_pages = 238,
+ loongarch_sys_move_pages = 239,
+ loongarch_sys_rt_tgsigqueueinfo = 240,
+ loongarch_sys_perf_event_open = 241,
+ loongarch_sys_accept4 = 242,
+ loongarch_sys_recvmmsg = 243,
+ loongarch_sys_wait4 = 260,
+ loongarch_sys_prlimit64 = 261,
+ loongarch_sys_fanotify_init = 262,
+ loongarch_sys_fanotify_mark = 263,
+ loongarch_sys_name_to_handle_at = 264,
+ loongarch_sys_open_by_handle_at = 265,
+ loongarch_sys_clock_adjtime = 266,
+ loongarch_sys_syncfs = 267,
+ loongarch_sys_setns = 268,
+ loongarch_sys_sendmmsg = 269,
+ loongarch_sys_process_vm_readv = 270,
+ loongarch_sys_process_vm_writev = 271,
+ loongarch_sys_kcmp = 272,
+ loongarch_sys_finit_module = 273,
+ loongarch_sys_sched_setattr = 274,
+ loongarch_sys_sched_getattr = 275,
+ loongarch_sys_renameat2 = 276,
+ loongarch_sys_seccomp = 277,
+ loongarch_sys_getrandom = 278,
+ loongarch_sys_memfd_create = 279,
+ loongarch_sys_bpf = 280,
+ loongarch_sys_execveat = 281,
+ loongarch_sys_userfaultfd = 282,
+ loongarch_sys_membarrier = 283,
+ loongarch_sys_mlock2 = 284,
+ loongarch_sys_copy_file_range = 285,
+ loongarch_sys_preadv2 = 286,
+ loongarch_sys_pwritev2 = 287,
+ loongarch_sys_pkey_mprotect = 288,
+ loongarch_sys_pkey_alloc = 289,
+ loongarch_sys_pkey_free = 290,
+ loongarch_sys_statx = 291,
+ loongarch_sys_io_pgetevents = 292,
+ loongarch_sys_rseq = 293,
+ loongarch_sys_kexec_file_load = 294,
+
+ loongarch_sys_pidfd_send_signal = 424,
+ loongarch_sys_io_uring_setup = 425,
+ loongarch_sys_io_uring_enter = 426,
+ loongarch_sys_io_uring_register = 427,
+ loongarch_sys_open_tree = 428,
+ loongarch_sys_move_mount = 429,
+ loongarch_sys_fsopen = 430,
+ loongarch_sys_fsconfig = 431,
+ loongarch_sys_fsmount = 432,
+ loongarch_sys_fspick = 433,
+ loongarch_sys_pidfd_open = 434,
+ loongarch_sys_clone3 = 435,
+ loongarch_sys_close_range = 436,
+ loongarch_sys_openat2 = 437,
+ loongarch_sys_pidfd_getfd = 438,
+ loongarch_sys_faccessat2 = 439,
+ loongarch_sys_process_madvise = 440,
+ loongarch_sys_epoll_pwait2 = 441,
+ loongarch_sys_mount_setattr = 442,
+ loongarch_sys_quotactl_fd = 443,
+ loongarch_sys_landlock_create_ruleset = 444,
+ loongarch_sys_landlock_add_rule = 445,
+ loongarch_sys_landlock_restrict_self = 446,
+
+ loongarch_sys_process_mrelease = 448,
+ loongarch_sys_futex_waitv = 449,
+ loongarch_sys_set_mempolicy_home_node = 450,
+ loongarch_sys_cachestat = 451,
+ loongarch_sys_fchmodat2 = 452,
+ loongarch_sys_map_shadow_stack = 453,
+ loongarch_sys_futex_wake = 454,
+ loongarch_sys_futex_wait = 455,
+ loongarch_sys_futex_requeue = 456,
+ loongarch_sys_statmount = 457,
+ loongarch_sys_listmount = 458,
+ loongarch_sys_lsm_get_self_attr = 459,
+ loongarch_sys_lsm_set_self_attr = 460,
+ loongarch_sys_lsm_list_modules = 461,
+ loongarch_sys_mseal = 462,
+ loongarch_sys_syscalls = 463,
+};
+
+#endif /* ARCH_LOONGARCH_SYSCALL_H */
@@ -18,15 +18,21 @@
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
+#include "arch/loongarch-syscall.h"
#include "extract-store-integer.h"
+#include "gdbarch.h"
#include "glibc-tdep.h"
#include "inferior.h"
+#include "linux-record.h"
#include "linux-tdep.h"
#include "loongarch-tdep.h"
+#include "record-full.h"
+#include "regset.h"
#include "solib-svr4.h"
#include "target-descriptions.h"
#include "trad-frame.h"
#include "tramp-frame.h"
+#include "value.h"
#include "xml-syscall.h"
/* The syscall's XML filename for LoongArch. */
@@ -566,6 +572,563 @@ loongarch_linux_get_syscall_number (struct gdbarch *gdbarch, thread_info *thread
return ret;
}
+static linux_record_tdep loongarch_linux_record_tdep;
+
+/* loongarch_canonicalize_syscall maps syscall ids from the native LoongArch
+ linux set of syscall ids into a canonical set of syscall ids used by
+ process record. */
+
+static enum gdb_syscall
+loongarch_canonicalize_syscall (enum loongarch_syscall syscall_number)
+{
+#define SYSCALL_MAP(SYSCALL) case loongarch_sys_##SYSCALL: \
+ return gdb_sys_##SYSCALL
+
+#define UNSUPPORTED_SYSCALL_MAP(SYSCALL) case loongarch_sys_##SYSCALL: \
+ return gdb_sys_no_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);
+ SYSCALL_MAP (eventfd2);
+ SYSCALL_MAP (epoll_create1);
+ SYSCALL_MAP (epoll_ctl);
+ SYSCALL_MAP (epoll_pwait);
+ SYSCALL_MAP (dup);
+ SYSCALL_MAP (dup3);
+ SYSCALL_MAP (fcntl);
+ SYSCALL_MAP (inotify_init1);
+ 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 (mknodat);
+ SYSCALL_MAP (mkdirat);
+ SYSCALL_MAP (unlinkat);
+ SYSCALL_MAP (symlinkat);
+ SYSCALL_MAP (linkat);
+ UNSUPPORTED_SYSCALL_MAP (umount2);
+ SYSCALL_MAP (mount);
+ SYSCALL_MAP (pivot_root);
+ SYSCALL_MAP (nfsservctl);
+ SYSCALL_MAP (statfs);
+ SYSCALL_MAP (truncate);
+ SYSCALL_MAP (ftruncate);
+ SYSCALL_MAP (fallocate);
+ SYSCALL_MAP (faccessat);
+ SYSCALL_MAP (fchdir);
+ SYSCALL_MAP (chroot);
+ SYSCALL_MAP (fchmod);
+ SYSCALL_MAP (fchmodat);
+ SYSCALL_MAP (fchownat);
+ SYSCALL_MAP (fchown);
+ SYSCALL_MAP (openat);
+ SYSCALL_MAP (close);
+ SYSCALL_MAP (vhangup);
+ SYSCALL_MAP (pipe2);
+ 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);
+ UNSUPPORTED_SYSCALL_MAP (preadv);
+ UNSUPPORTED_SYSCALL_MAP (pwritev);
+ SYSCALL_MAP (sendfile);
+ SYSCALL_MAP (pselect6);
+ SYSCALL_MAP (ppoll);
+ UNSUPPORTED_SYSCALL_MAP (signalfd4);
+ SYSCALL_MAP (vmsplice);
+ SYSCALL_MAP (splice);
+ SYSCALL_MAP (tee);
+ SYSCALL_MAP (readlinkat);
+ SYSCALL_MAP (newfstatat);
+ SYSCALL_MAP (fstat);
+ SYSCALL_MAP (sync);
+ SYSCALL_MAP (fsync);
+ SYSCALL_MAP (fdatasync);
+ SYSCALL_MAP (sync_file_range);
+ UNSUPPORTED_SYSCALL_MAP (timerfd_create);
+ UNSUPPORTED_SYSCALL_MAP (timerfd_settime);
+ UNSUPPORTED_SYSCALL_MAP (timerfd_gettime);
+ UNSUPPORTED_SYSCALL_MAP (utimensat);
+ 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 (getrusage);
+ SYSCALL_MAP (umask);
+ SYSCALL_MAP (prctl);
+ SYSCALL_MAP (getcpu);
+ 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 loongarch_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);
+ UNSUPPORTED_SYSCALL_MAP (rt_tgsigqueueinfo);
+ UNSUPPORTED_SYSCALL_MAP (perf_event_open);
+ UNSUPPORTED_SYSCALL_MAP (accept4);
+ UNSUPPORTED_SYSCALL_MAP (recvmmsg);
+ SYSCALL_MAP (wait4);
+ UNSUPPORTED_SYSCALL_MAP (prlimit64);
+ UNSUPPORTED_SYSCALL_MAP (fanotify_init);
+ UNSUPPORTED_SYSCALL_MAP (fanotify_mark);
+ UNSUPPORTED_SYSCALL_MAP (name_to_handle_at);
+ UNSUPPORTED_SYSCALL_MAP (open_by_handle_at);
+ UNSUPPORTED_SYSCALL_MAP (clock_adjtime);
+ UNSUPPORTED_SYSCALL_MAP (syncfs);
+ UNSUPPORTED_SYSCALL_MAP (setns);
+ UNSUPPORTED_SYSCALL_MAP (sendmmsg);
+ UNSUPPORTED_SYSCALL_MAP (process_vm_readv);
+ UNSUPPORTED_SYSCALL_MAP (process_vm_writev);
+ UNSUPPORTED_SYSCALL_MAP (kcmp);
+ UNSUPPORTED_SYSCALL_MAP (finit_module);
+ UNSUPPORTED_SYSCALL_MAP (sched_setattr);
+ UNSUPPORTED_SYSCALL_MAP (sched_getattr);
+ UNSUPPORTED_SYSCALL_MAP (renameat2);
+ UNSUPPORTED_SYSCALL_MAP (seccomp);
+ SYSCALL_MAP (getrandom);
+ UNSUPPORTED_SYSCALL_MAP (memfd_create);
+ UNSUPPORTED_SYSCALL_MAP (bpf);
+ UNSUPPORTED_SYSCALL_MAP (execveat);
+ UNSUPPORTED_SYSCALL_MAP (userfaultfd);
+ UNSUPPORTED_SYSCALL_MAP (membarrier);
+ UNSUPPORTED_SYSCALL_MAP (mlock2);
+ UNSUPPORTED_SYSCALL_MAP (copy_file_range);
+ UNSUPPORTED_SYSCALL_MAP (preadv2);
+ UNSUPPORTED_SYSCALL_MAP (pwritev2);
+ UNSUPPORTED_SYSCALL_MAP (pkey_mprotect);
+ UNSUPPORTED_SYSCALL_MAP (pkey_alloc);
+ UNSUPPORTED_SYSCALL_MAP (pkey_free);
+ SYSCALL_MAP (statx);
+ UNSUPPORTED_SYSCALL_MAP (io_pgetevents);
+ UNSUPPORTED_SYSCALL_MAP (rseq);
+ UNSUPPORTED_SYSCALL_MAP (kexec_file_load);
+ UNSUPPORTED_SYSCALL_MAP (pidfd_send_signal);
+ UNSUPPORTED_SYSCALL_MAP (io_uring_setup);
+ UNSUPPORTED_SYSCALL_MAP (io_uring_enter);
+ UNSUPPORTED_SYSCALL_MAP (io_uring_register);
+ UNSUPPORTED_SYSCALL_MAP (open_tree);
+ UNSUPPORTED_SYSCALL_MAP (move_mount);
+ UNSUPPORTED_SYSCALL_MAP (fsopen);
+ UNSUPPORTED_SYSCALL_MAP (fsconfig);
+ UNSUPPORTED_SYSCALL_MAP (fsmount);
+ UNSUPPORTED_SYSCALL_MAP (fspick);
+ UNSUPPORTED_SYSCALL_MAP (pidfd_open);
+ UNSUPPORTED_SYSCALL_MAP (clone3);
+ UNSUPPORTED_SYSCALL_MAP (close_range);
+ UNSUPPORTED_SYSCALL_MAP (openat2);
+ UNSUPPORTED_SYSCALL_MAP (pidfd_getfd);
+ UNSUPPORTED_SYSCALL_MAP (faccessat2);
+ UNSUPPORTED_SYSCALL_MAP (process_madvise);
+ UNSUPPORTED_SYSCALL_MAP (epoll_pwait2);
+ UNSUPPORTED_SYSCALL_MAP (mount_setattr);
+ UNSUPPORTED_SYSCALL_MAP (quotactl_fd);
+ UNSUPPORTED_SYSCALL_MAP (landlock_create_ruleset);
+ UNSUPPORTED_SYSCALL_MAP (landlock_add_rule);
+ UNSUPPORTED_SYSCALL_MAP (landlock_restrict_self);
+ UNSUPPORTED_SYSCALL_MAP (process_mrelease);
+ UNSUPPORTED_SYSCALL_MAP (futex_waitv);
+ UNSUPPORTED_SYSCALL_MAP (set_mempolicy_home_node);
+ UNSUPPORTED_SYSCALL_MAP (cachestat);
+ UNSUPPORTED_SYSCALL_MAP (fchmodat2);
+ UNSUPPORTED_SYSCALL_MAP (map_shadow_stack);
+ UNSUPPORTED_SYSCALL_MAP (futex_wake);
+ UNSUPPORTED_SYSCALL_MAP (futex_wait);
+ UNSUPPORTED_SYSCALL_MAP (futex_requeue);
+ UNSUPPORTED_SYSCALL_MAP (statmount);
+ UNSUPPORTED_SYSCALL_MAP (listmount);
+ UNSUPPORTED_SYSCALL_MAP (lsm_get_self_attr);
+ UNSUPPORTED_SYSCALL_MAP (lsm_set_self_attr);
+ UNSUPPORTED_SYSCALL_MAP (lsm_list_modules);
+ UNSUPPORTED_SYSCALL_MAP (mseal);
+ UNSUPPORTED_SYSCALL_MAP (syscalls);
+ default:
+ return gdb_sys_no_syscall;
+ }
+#undef SYSCALL_MAP
+#undef UNSUPPORTED_SYSCALL_MAP
+}
+
+static int
+loongarch_record_all_but_pc_registers (struct regcache *regcache)
+{
+
+ /* Record General purpose Registers. */
+ for (int i = 0; i < 32; ++i)
+ if (record_full_arch_list_add_reg (regcache, i))
+ return -1;
+
+ /* Record orig_a0 */
+ if (record_full_arch_list_add_reg (regcache, LOONGARCH_ORIG_A0_REGNUM))
+ return -1;
+
+ /* Record badvaddr */
+ if (record_full_arch_list_add_reg (regcache, LOONGARCH_BADV_REGNUM))
+ return -1;
+
+ return 0;
+}
+
+/* Handler for LoongArch architechture system call instruction recording. */
+
+static int
+loongarch_linux_syscall_record (struct regcache *regcache,
+ unsigned long syscall_number)
+{
+ int ret = 0;
+ enum gdb_syscall syscall_gdb;
+
+ syscall_gdb =
+ loongarch_canonicalize_syscall ((enum loongarch_syscall) syscall_number);
+
+ if (syscall_gdb < 0)
+ {
+ gdb_printf (gdb_stderr,
+ _("Process record and replay target doesn't "
+ "support syscall number %s\n"), plongest (syscall_number));
+ return -1;
+ }
+
+ if (syscall_gdb == gdb_sys_sigreturn || syscall_gdb == gdb_sys_rt_sigreturn)
+ return loongarch_record_all_but_pc_registers (regcache);
+
+ ret = record_linux_system_call (syscall_gdb, regcache,
+ &loongarch_linux_record_tdep);
+
+ if (ret != 0)
+ return ret;
+
+ /* Record the return value of the system call. */
+ if (record_full_arch_list_add_reg (regcache, LOONGARCH_A0_REGNUM))
+ return -1;
+
+ return 0;
+}
+
+/* Initialize the loongarch_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. */
+
+static void
+init_loongarch_linux_record_tdep (struct gdbarch *gdbarch)
+{
+ loongarch_linux_record_tdep.size_pointer
+ = gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT;
+ loongarch_linux_record_tdep.size_tms = 32;
+ loongarch_linux_record_tdep.size_loff_t = 8;
+ loongarch_linux_record_tdep.size_flock = 32;
+ loongarch_linux_record_tdep.size_oldold_utsname = 45;
+ loongarch_linux_record_tdep.size_ustat = 32;
+ loongarch_linux_record_tdep.size_old_sigaction = 32;
+ loongarch_linux_record_tdep.size_old_sigset_t = 8;
+ loongarch_linux_record_tdep.size_rlimit = 16;
+ loongarch_linux_record_tdep.size_rusage = 144;
+ loongarch_linux_record_tdep.size_timeval = 16;
+ loongarch_linux_record_tdep.size_timezone = 8;
+ loongarch_linux_record_tdep.size_old_gid_t = 4;
+ loongarch_linux_record_tdep.size_old_uid_t = 4;
+ loongarch_linux_record_tdep.size_fd_set = 128;
+ loongarch_linux_record_tdep.size_old_dirent = 280;
+ loongarch_linux_record_tdep.size_statfs = 120;
+ loongarch_linux_record_tdep.size_statfs64 = 120;
+ loongarch_linux_record_tdep.size_sockaddr = 16;
+ loongarch_linux_record_tdep.size_int
+ = gdbarch_int_bit (gdbarch) / TARGET_CHAR_BIT;
+ loongarch_linux_record_tdep.size_long
+ = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
+ loongarch_linux_record_tdep.size_ulong
+ = gdbarch_long_bit (gdbarch) / TARGET_CHAR_BIT;
+ loongarch_linux_record_tdep.size_msghdr = 56;
+ loongarch_linux_record_tdep.size_itimerval = 32;
+ loongarch_linux_record_tdep.size_stat = 144;
+ loongarch_linux_record_tdep.size_old_utsname = 325;
+ loongarch_linux_record_tdep.size_sysinfo = 112;
+ loongarch_linux_record_tdep.size_msqid_ds = 120;
+ loongarch_linux_record_tdep.size_shmid_ds = 112;
+ loongarch_linux_record_tdep.size_new_utsname = 390;
+ loongarch_linux_record_tdep.size_timex = 208;
+ loongarch_linux_record_tdep.size_mem_dqinfo = 72;
+ loongarch_linux_record_tdep.size_if_dqblk = 72;
+ loongarch_linux_record_tdep.size_fs_quota_stat = 80;
+ loongarch_linux_record_tdep.size_timespec = 16;
+ loongarch_linux_record_tdep.size_pollfd = 8;
+ loongarch_linux_record_tdep.size_NFS_FHSIZE = 32;
+ loongarch_linux_record_tdep.size_knfsd_fh = 132;
+ loongarch_linux_record_tdep.size_TASK_COMM_LEN = 16;
+ loongarch_linux_record_tdep.size_sigaction = 24;
+ loongarch_linux_record_tdep.size_sigset_t = 8;
+ loongarch_linux_record_tdep.size_siginfo_t = 128;
+ loongarch_linux_record_tdep.size_cap_user_data_t = 8;
+ loongarch_linux_record_tdep.size_stack_t = 24;
+ loongarch_linux_record_tdep.size_off_t = 8;
+ loongarch_linux_record_tdep.size_stat64 = 144;
+ loongarch_linux_record_tdep.size_gid_t = 4;
+ loongarch_linux_record_tdep.size_uid_t = 4;
+ loongarch_linux_record_tdep.size_PAGE_SIZE = 0x4000;
+ loongarch_linux_record_tdep.size_flock64 = 32;
+ loongarch_linux_record_tdep.size_user_desc = 16;
+ loongarch_linux_record_tdep.size_io_event = 32;
+ loongarch_linux_record_tdep.size_iocb = 64;
+ loongarch_linux_record_tdep.size_epoll_event = 12;
+ loongarch_linux_record_tdep.size_itimerspec = 32;
+ loongarch_linux_record_tdep.size_mq_attr = 64;
+ loongarch_linux_record_tdep.size_termios = 36;
+ loongarch_linux_record_tdep.size_termios2 = 44;
+ loongarch_linux_record_tdep.size_pid_t = 4;
+ loongarch_linux_record_tdep.size_winsize = 8;
+ loongarch_linux_record_tdep.size_serial_struct = 72;
+ loongarch_linux_record_tdep.size_serial_icounter_struct = 80;
+ loongarch_linux_record_tdep.size_hayes_esp_config = 12;
+ loongarch_linux_record_tdep.size_size_t = 8;
+ loongarch_linux_record_tdep.size_iovec = 16;
+ loongarch_linux_record_tdep.size_time_t = 8;
+
+ /* These values are the second argument of system call "sys_ioctl".
+ They are obtained from Linux Kernel source. */
+ loongarch_linux_record_tdep.ioctl_TCGETS = 0x5401;
+ loongarch_linux_record_tdep.ioctl_TCSETS = 0x5402;
+ loongarch_linux_record_tdep.ioctl_TCSETSW = 0x5403;
+ loongarch_linux_record_tdep.ioctl_TCSETSF = 0x5404;
+ loongarch_linux_record_tdep.ioctl_TCGETA = 0x5405;
+ loongarch_linux_record_tdep.ioctl_TCSETA = 0x5406;
+ loongarch_linux_record_tdep.ioctl_TCSETAW = 0x5407;
+ loongarch_linux_record_tdep.ioctl_TCSETAF = 0x5408;
+ loongarch_linux_record_tdep.ioctl_TCSBRK = 0x5409;
+ loongarch_linux_record_tdep.ioctl_TCXONC = 0x540a;
+ loongarch_linux_record_tdep.ioctl_TCFLSH = 0x540b;
+ loongarch_linux_record_tdep.ioctl_TIOCEXCL = 0x540c;
+ loongarch_linux_record_tdep.ioctl_TIOCNXCL = 0x540d;
+ loongarch_linux_record_tdep.ioctl_TIOCSCTTY = 0x540e;
+ loongarch_linux_record_tdep.ioctl_TIOCGPGRP = 0x540f;
+ loongarch_linux_record_tdep.ioctl_TIOCSPGRP = 0x5410;
+ loongarch_linux_record_tdep.ioctl_TIOCOUTQ = 0x5411;
+ loongarch_linux_record_tdep.ioctl_TIOCSTI = 0x5412;
+ loongarch_linux_record_tdep.ioctl_TIOCGWINSZ = 0x5413;
+ loongarch_linux_record_tdep.ioctl_TIOCSWINSZ = 0x5414;
+ loongarch_linux_record_tdep.ioctl_TIOCMGET = 0x5415;
+ loongarch_linux_record_tdep.ioctl_TIOCMBIS = 0x5416;
+ loongarch_linux_record_tdep.ioctl_TIOCMBIC = 0x5417;
+ loongarch_linux_record_tdep.ioctl_TIOCMSET = 0x5418;
+ loongarch_linux_record_tdep.ioctl_TIOCGSOFTCAR = 0x5419;
+ loongarch_linux_record_tdep.ioctl_TIOCSSOFTCAR = 0x541a;
+ loongarch_linux_record_tdep.ioctl_FIONREAD = 0x541b;
+ loongarch_linux_record_tdep.ioctl_TIOCINQ = 0x541b;
+ loongarch_linux_record_tdep.ioctl_TIOCLINUX = 0x541c;
+ loongarch_linux_record_tdep.ioctl_TIOCCONS = 0x541d;
+ loongarch_linux_record_tdep.ioctl_TIOCGSERIAL = 0x541e;
+ loongarch_linux_record_tdep.ioctl_TIOCSSERIAL = 0x541f;
+ loongarch_linux_record_tdep.ioctl_TIOCPKT = 0x5420;
+ loongarch_linux_record_tdep.ioctl_FIONBIO = 0x5421;
+ loongarch_linux_record_tdep.ioctl_TIOCNOTTY = 0x5422;
+ loongarch_linux_record_tdep.ioctl_TIOCSETD = 0x5423;
+ loongarch_linux_record_tdep.ioctl_TIOCGETD = 0x5424;
+ loongarch_linux_record_tdep.ioctl_TCSBRKP = 0x5425;
+ loongarch_linux_record_tdep.ioctl_TIOCTTYGSTRUCT = 0x5426;
+ loongarch_linux_record_tdep.ioctl_TIOCSBRK = 0x5427;
+ loongarch_linux_record_tdep.ioctl_TIOCCBRK = 0x5428;
+ loongarch_linux_record_tdep.ioctl_TIOCGSID = 0x5429;
+ loongarch_linux_record_tdep.ioctl_TCGETS2 = 0x802c542a;
+ loongarch_linux_record_tdep.ioctl_TCSETS2 = 0x402c542b;
+ loongarch_linux_record_tdep.ioctl_TCSETSW2 = 0x402c542c;
+ loongarch_linux_record_tdep.ioctl_TCSETSF2 = 0x402c542d;
+ loongarch_linux_record_tdep.ioctl_TIOCGPTN = 0x80045430;
+ loongarch_linux_record_tdep.ioctl_TIOCSPTLCK = 0x40045431;
+ loongarch_linux_record_tdep.ioctl_FIONCLEX = 0x5450;
+ loongarch_linux_record_tdep.ioctl_FIOCLEX = 0x5451;
+ loongarch_linux_record_tdep.ioctl_FIOASYNC = 0x5452;
+ loongarch_linux_record_tdep.ioctl_TIOCSERCONFIG = 0x5453;
+ loongarch_linux_record_tdep.ioctl_TIOCSERGWILD = 0x5454;
+ loongarch_linux_record_tdep.ioctl_TIOCSERSWILD = 0x5455;
+ loongarch_linux_record_tdep.ioctl_TIOCGLCKTRMIOS = 0x5456;
+ loongarch_linux_record_tdep.ioctl_TIOCSLCKTRMIOS = 0x5457;
+ loongarch_linux_record_tdep.ioctl_TIOCSERGSTRUCT = 0x5458;
+ loongarch_linux_record_tdep.ioctl_TIOCSERGETLSR = 0x5459;
+ loongarch_linux_record_tdep.ioctl_TIOCSERGETMULTI = 0x545a;
+ loongarch_linux_record_tdep.ioctl_TIOCSERSETMULTI = 0x545b;
+ loongarch_linux_record_tdep.ioctl_TIOCMIWAIT = 0x545c;
+ loongarch_linux_record_tdep.ioctl_TIOCGICOUNT = 0x545d;
+ loongarch_linux_record_tdep.ioctl_TIOCGHAYESESP = 0x545e;
+ loongarch_linux_record_tdep.ioctl_TIOCSHAYESESP = 0x545f;
+ loongarch_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. */
+ loongarch_linux_record_tdep.fcntl_F_GETLK = 5;
+ loongarch_linux_record_tdep.fcntl_F_GETLK64 = 12;
+ loongarch_linux_record_tdep.fcntl_F_SETLK64 = 13;
+ loongarch_linux_record_tdep.fcntl_F_SETLKW64 = 14;
+
+ loongarch_linux_record_tdep.arg1 = LOONGARCH_A0_REGNUM + 0;
+ loongarch_linux_record_tdep.arg2 = LOONGARCH_A0_REGNUM + 1;
+ loongarch_linux_record_tdep.arg3 = LOONGARCH_A0_REGNUM + 2;
+ loongarch_linux_record_tdep.arg4 = LOONGARCH_A0_REGNUM + 3;
+ loongarch_linux_record_tdep.arg5 = LOONGARCH_A0_REGNUM + 4;
+ loongarch_linux_record_tdep.arg6 = LOONGARCH_A0_REGNUM + 5;
+ loongarch_linux_record_tdep.arg7 = LOONGARCH_A0_REGNUM + 6;
+}
+
/* Initialize LoongArch Linux ABI info. */
static void
@@ -605,6 +1168,10 @@ loongarch_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
/* Reversible debugging, process record. */
set_gdbarch_process_record (gdbarch, loongarch_process_record);
+
+ /* Syscall record. */
+ tdep->loongarch_syscall_record = loongarch_linux_syscall_record;
+ init_loongarch_linux_record_tdep (gdbarch);
}
/* Initialize LoongArch Linux target support. */
@@ -2312,6 +2312,22 @@ loongarch_record_special_insn (loongarch_record_s *loongarch_record)
return LOONGARCH_RECORD_SUCCESS;
}
+/* Record handler for syscall instructions. */
+
+static int
+loongarch_record_syscall_insn (loongarch_record_s *loongarch_record)
+{
+ uint64_t syscall_number;
+ struct loongarch_gdbarch_tdep *tdep
+ = gdbarch_tdep<loongarch_gdbarch_tdep> (loongarch_record->gdbarch);
+
+ regcache_raw_read_unsigned (loongarch_record->regcache, LOONGARCH_A7_REGNUM,
+ &syscall_number);
+
+ return tdep->loongarch_syscall_record (loongarch_record->regcache,
+ syscall_number);
+}
+
/* Decode insns type and invoke its record handler. */
static int
@@ -2335,6 +2351,8 @@ loongarch_record_decode_insn_handler (loongarch_record_s *loongarch_record)
return loongarch_record_bound_check_load_insn (loongarch_record);
else if (is_bound_check_store_insn (loongarch_record->insn))
return loongarch_record_bound_check_store_insn (loongarch_record);
+ else if (is_syscall_insn (loongarch_record->insn))
+ return loongarch_record_syscall_insn (loongarch_record);
return LOONGARCH_RECORD_UNSUPPORTED;
}
@@ -40,6 +40,10 @@ struct loongarch_gdbarch_tdep : gdbarch_tdep_base
/* Features about the abi that impact how the gdbarch is configured. */
struct loongarch_gdbarch_features abi_features;
+ /* syscall record. */
+ int (*loongarch_syscall_record) (struct regcache *regcache,
+ unsigned long syscall_number) = nullptr;
+
/* Return the expected next PC if FRAME is stopped at a syscall instruction. */
CORE_ADDR (*syscall_next_pc) (const frame_info_ptr &frame) = nullptr;
};