X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=gdb%2Faarch64-linux-tdep.c;h=c2c2c309338a2ec814b615ac6c728bab7d5a4736;hb=7b2d20948528f94b405af3e951931758e92e8e4d;hp=f8cf43e26dac812931cf0f5bc166570b8cfa0403;hpb=5cd867b414fe3609dbf596c373343474132775a8;p=binutils-gdb.git diff --git a/gdb/aarch64-linux-tdep.c b/gdb/aarch64-linux-tdep.c index f8cf43e26da..c2c2c309338 100644 --- a/gdb/aarch64-linux-tdep.c +++ b/gdb/aarch64-linux-tdep.c @@ -1,6 +1,6 @@ /* Target-dependent code for GNU/Linux AArch64. - Copyright (C) 2009-2015 Free Software Foundation, Inc. + Copyright (C) 2009-2017 Free Software Foundation, Inc. Contributed by ARM Ltd. This file is part of GDB. @@ -21,6 +21,7 @@ #include "defs.h" #include "gdbarch.h" +#include "arch-utils.h" #include "glibc-tdep.h" #include "linux-tdep.h" #include "aarch64-tdep.h" @@ -44,6 +45,8 @@ #include "record-full.h" #include "linux-record.h" +#include "auxv.h" +#include "elf/common.h" /* Signal frame handling. @@ -142,7 +145,6 @@ aarch64_linux_sigframe_init (const struct tramp_frame *self, 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 @@ -231,6 +233,20 @@ aarch64_linux_iterate_over_regset_sections (struct gdbarch *gdbarch, 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. */ @@ -279,7 +295,7 @@ aarch64_stap_parse_special_token (struct gdbarch *gdbarch, return 0; len = tmp - start; - regname = alloca (len + 2); + regname = (char *) alloca (len + 2); strncpy (regname, start, len); regname[len] = '\0'; @@ -289,7 +305,7 @@ aarch64_stap_parse_special_token (struct gdbarch *gdbarch, 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 == '#') @@ -408,12 +424,12 @@ enum aarch64_syscall { 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, @@ -423,7 +439,7 @@ enum aarch64_syscall { 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, @@ -431,7 +447,7 @@ enum aarch64_syscall { 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, @@ -453,8 +469,8 @@ enum aarch64_syscall { 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, @@ -647,6 +663,9 @@ aarch64_canonicalize_syscall (enum aarch64_syscall syscall_number) #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); @@ -669,33 +688,45 @@ aarch64_canonicalize_syscall (enum aarch64_syscall syscall_number) 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); @@ -705,17 +736,27 @@ aarch64_canonicalize_syscall (enum aarch64_syscall syscall_number) 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); @@ -795,6 +836,7 @@ aarch64_canonicalize_syscall (enum aarch64_syscall syscall_number) SYSCALL_MAP (getrusage); SYSCALL_MAP (umask); SYSCALL_MAP (prctl); + SYSCALL_MAP (getcpu); SYSCALL_MAP (gettimeofday); SYSCALL_MAP (settimeofday); SYSCALL_MAP (adjtimex); @@ -869,9 +911,30 @@ aarch64_canonicalize_syscall (enum aarch64_syscall syscall_number) 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; } } @@ -901,7 +964,8 @@ aarch64_linux_syscall_record (struct regcache *regcache, 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) { @@ -961,6 +1025,7 @@ aarch64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) /* Shared library handling. */ set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); + set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver); tramp_frame_prepend_unwinder (gdbarch, &aarch64_linux_rt_sigframe); @@ -969,6 +1034,8 @@ 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); @@ -997,8 +1064,8 @@ aarch64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) 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; @@ -1006,8 +1073,7 @@ aarch64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) 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; @@ -1034,8 +1100,8 @@ aarch64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) 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; @@ -1051,8 +1117,7 @@ aarch64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) 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; @@ -1061,6 +1126,7 @@ aarch64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) 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. */ @@ -1150,10 +1216,16 @@ aarch64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) /* `catch syscall' */ set_xml_syscall_file_name (gdbarch, "syscalls/aarch64-linux.xml"); set_gdbarch_get_syscall_number (gdbarch, aarch64_linux_get_syscall_number); -} -/* Provide a prototype to silence -Wmissing-prototypes. */ -extern initialize_file_ftype _initialize_aarch64_linux_tdep; + /* Displaced stepping. */ + set_gdbarch_max_insn_length (gdbarch, 4 * DISPLACED_MODIFIED_INSNS); + 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_location (gdbarch, linux_displaced_step_location); + set_gdbarch_displaced_step_hw_singlestep (gdbarch, + aarch64_displaced_step_hw_singlestep); +} void _initialize_aarch64_linux_tdep (void)