/* Target-dependent code for GNU/Linux AArch64.
- Copyright (C) 2009-2015 Free Software Foundation, Inc.
+ Copyright (C) 2009-2018 Free Software Foundation, Inc.
Contributed by ARM Ltd.
This file is part of GDB.
#include "record-full.h"
#include "linux-record.h"
+#include "auxv.h"
+#include "elf/common.h"
/* Signal frame handling.
struct trad_frame_cache *this_cache,
CORE_ADDR func)
{
- struct gdbarch *gdbarch = get_frame_arch (this_frame);
CORE_ADDR sp = get_frame_register_unsigned (this_frame, AARCH64_SP_REGNUM);
CORE_ADDR sigcontext_addr =
sp
NULL, cb_data);
}
+/* Implement the "core_read_description" gdbarch method. */
+
+static const struct target_desc *
+aarch64_linux_core_read_description (struct gdbarch *gdbarch,
+ struct target_ops *target, bfd *abfd)
+{
+ CORE_ADDR aarch64_hwcap = 0;
+
+ if (target_auxv_search (target, AT_HWCAP, &aarch64_hwcap) != 1)
+ return NULL;
+
+ return aarch64_read_description ();
+}
+
/* Implementation of `gdbarch_stap_is_single_operand', as defined in
gdbarch.h. */
regname, p->saved_arg);
++tmp;
- tmp = skip_spaces_const (tmp);
+ tmp = skip_spaces (tmp);
/* Now we expect a number. It can begin with '#' or simply
a digit. */
if (*tmp == '#')
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_mknodat = 33,
+ aarch64_sys_mkdirat = 34,
+ aarch64_sys_unlinkat = 35,
+ aarch64_sys_symlinkat = 36,
+ aarch64_sys_linkat = 37,
+ aarch64_sys_renameat = 38,
aarch64_sys_umount2 = 39,
aarch64_sys_mount = 40,
aarch64_sys_pivot_root = 41,
aarch64_sys_truncate = 45,
aarch64_sys_ftruncate = 46,
aarch64_sys_fallocate = 47,
- aarch64_sys_faccess = 48,
+ aarch64_sys_faccessat = 48,
aarch64_sys_chdir = 49,
aarch64_sys_fchdir = 50,
aarch64_sys_chroot = 51,
aarch64_sys_fchmodat = 53,
aarch64_sys_fchownat = 54,
aarch64_sys_fchown = 55,
- aarch64_sys_open = 56,
+ aarch64_sys_openat = 56,
aarch64_sys_close = 57,
aarch64_sys_vhangup = 58,
aarch64_sys_pipe2 = 59,
aarch64_sys_vmsplice = 75,
aarch64_sys_splice = 76,
aarch64_sys_tee = 77,
- aarch64_sys_readlink = 78,
- aarch64_sys_fstatat = 79,
+ aarch64_sys_readlinkat = 78,
+ aarch64_sys_newfstatat = 79,
aarch64_sys_fstat = 80,
aarch64_sys_sync = 81,
aarch64_sys_fsync = 82,
#define SYSCALL_MAP(SYSCALL) case aarch64_sys_##SYSCALL: \
return gdb_sys_##SYSCALL
+#define UNSUPPORTED_SYSCALL_MAP(SYSCALL) case aarch64_sys_##SYSCALL: \
+ return gdb_sys_no_syscall
+
switch (syscall_number)
{
SYSCALL_MAP (io_setup);
SYSCALL_MAP (fremovexattr);
SYSCALL_MAP (getcwd);
SYSCALL_MAP (lookup_dcookie);
-
- case aarch64_sys_epoll_create1:
- return gdb_sys_epoll_create;
-
+ 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);
+ SYSCALL_MAP (renameat);
+ 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 (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 (getrusage);
SYSCALL_MAP (umask);
SYSCALL_MAP (prctl);
+ SYSCALL_MAP (getcpu);
SYSCALL_MAP (gettimeofday);
SYSCALL_MAP (settimeofday);
SYSCALL_MAP (adjtimex);
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);
default:
- return -1;
+ return gdb_sys_no_syscall;
}
}
int ret = 0;
enum gdb_syscall syscall_gdb;
- syscall_gdb = aarch64_canonicalize_syscall (svc_number);
+ syscall_gdb =
+ aarch64_canonicalize_syscall ((enum aarch64_syscall) svc_number);
if (syscall_gdb < 0)
{
return 0;
}
+/* Implement the "gcc_target_options" gdbarch method. */
+
+static char *
+aarch64_linux_gcc_target_options (struct gdbarch *gdbarch)
+{
+ /* GCC doesn't know "-m64". */
+ return NULL;
+}
+
static void
aarch64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
set_gdbarch_iterate_over_regset_sections
(gdbarch, aarch64_linux_iterate_over_regset_sections);
+ set_gdbarch_core_read_description
+ (gdbarch, aarch64_linux_core_read_description);
/* SystemTap related. */
set_gdbarch_stap_integer_prefixes (gdbarch, stap_integer_prefixes);
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_old_sigaction = 32;
+ aarch64_linux_record_tdep.size_old_sigset_t = 8;
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_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_old_dirent = 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_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_sigaction = 32;
+ aarch64_linux_record_tdep.size_sigset_t = 8;
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_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_termios = 36;
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_hayes_esp_config = 12;
aarch64_linux_record_tdep.size_size_t = 8;
aarch64_linux_record_tdep.size_iovec = 16;
+ aarch64_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. */
set_gdbarch_displaced_step_copy_insn (gdbarch,
aarch64_displaced_step_copy_insn);
set_gdbarch_displaced_step_fixup (gdbarch, aarch64_displaced_step_fixup);
- set_gdbarch_displaced_step_free_closure (gdbarch,
- simple_displaced_step_free_closure);
set_gdbarch_displaced_step_location (gdbarch, linux_displaced_step_location);
set_gdbarch_displaced_step_hw_singlestep (gdbarch,
aarch64_displaced_step_hw_singlestep);
-}
-/* Provide a prototype to silence -Wmissing-prototypes. */
-extern initialize_file_ftype _initialize_aarch64_linux_tdep;
+ set_gdbarch_gcc_target_options (gdbarch, aarch64_linux_gcc_target_options);
+}
void
_initialize_aarch64_linux_tdep (void)
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