static void aarch64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) { static const char *const stap_integer_prefixes[] = { "#", "", NULL }; static const char *const stap_register_prefixes[] = { "", NULL }; static const char *const stap_register_indirection_prefixes[] = { "[", NULL }; static const char *const stap_register_indirection_suffixes[] = { "]", NULL }; struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); tdep->lowest_pc = 0x8000; linux_init_abi (info, gdbarch); set_solib_svr4_fetch_link_map_offsets (gdbarch, svr4_lp64_fetch_link_map_offsets); /* Enable TLS support. */ set_gdbarch_fetch_tls_load_module_address (gdbarch, svr4_fetch_objfile_link_map); /* 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); /* Enable longjmp. */ tdep->jb_pc = 11; set_gdbarch_iterate_over_regset_sections (gdbarch, aarch64_linux_iterate_over_regset_sections); /* SystemTap related. */ set_gdbarch_stap_integer_prefixes (gdbarch, stap_integer_prefixes); set_gdbarch_stap_register_prefixes (gdbarch, stap_register_prefixes); set_gdbarch_stap_register_indirection_prefixes (gdbarch, stap_register_indirection_prefixes); set_gdbarch_stap_register_indirection_suffixes (gdbarch, stap_register_indirection_suffixes); set_gdbarch_stap_is_single_operand (gdbarch, aarch64_stap_is_single_operand); 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); /* 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_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); }
static void arm_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) { static const char *const stap_integer_prefixes[] = { "#", NULL }; static const char *const stap_register_prefixes[] = { "r", NULL }; static const char *const stap_register_indirection_prefixes[] = { "[", NULL }; static const char *const stap_register_indirection_suffixes[] = { "]", NULL }; struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); linux_init_abi (info, gdbarch); tdep->lowest_pc = 0x8000; if (info.byte_order == BFD_ENDIAN_BIG) { if (tdep->arm_abi == ARM_ABI_AAPCS) tdep->arm_breakpoint = eabi_linux_arm_be_breakpoint; else tdep->arm_breakpoint = arm_linux_arm_be_breakpoint; tdep->thumb_breakpoint = arm_linux_thumb_be_breakpoint; tdep->thumb2_breakpoint = arm_linux_thumb2_be_breakpoint; } else { if (tdep->arm_abi == ARM_ABI_AAPCS) tdep->arm_breakpoint = eabi_linux_arm_le_breakpoint; else tdep->arm_breakpoint = arm_linux_arm_le_breakpoint; tdep->thumb_breakpoint = arm_linux_thumb_le_breakpoint; tdep->thumb2_breakpoint = arm_linux_thumb2_le_breakpoint; } tdep->arm_breakpoint_size = sizeof (arm_linux_arm_le_breakpoint); tdep->thumb_breakpoint_size = sizeof (arm_linux_thumb_le_breakpoint); tdep->thumb2_breakpoint_size = sizeof (arm_linux_thumb2_le_breakpoint); if (tdep->fp_model == ARM_FLOAT_AUTO) tdep->fp_model = ARM_FLOAT_FPA; switch (tdep->fp_model) { case ARM_FLOAT_FPA: tdep->jb_pc = ARM_LINUX_JB_PC_FPA; break; case ARM_FLOAT_SOFT_FPA: case ARM_FLOAT_SOFT_VFP: case ARM_FLOAT_VFP: tdep->jb_pc = ARM_LINUX_JB_PC_EABI; break; default: internal_error (__FILE__, __LINE__, _("arm_linux_init_abi: Floating point model not supported")); break; } tdep->jb_elt_size = ARM_LINUX_JB_ELEMENT_SIZE; set_solib_svr4_fetch_link_map_offsets (gdbarch, svr4_ilp32_fetch_link_map_offsets); /* Single stepping. */ set_gdbarch_software_single_step (gdbarch, arm_linux_software_single_step); /* Shared library handling. */ set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target); set_gdbarch_skip_solib_resolver (gdbarch, glibc_skip_solib_resolver); /* Enable TLS support. */ set_gdbarch_fetch_tls_load_module_address (gdbarch, svr4_fetch_objfile_link_map); tramp_frame_prepend_unwinder (gdbarch, &arm_linux_sigreturn_tramp_frame); tramp_frame_prepend_unwinder (gdbarch, &arm_linux_rt_sigreturn_tramp_frame); tramp_frame_prepend_unwinder (gdbarch, &arm_eabi_linux_sigreturn_tramp_frame); tramp_frame_prepend_unwinder (gdbarch, &arm_eabi_linux_rt_sigreturn_tramp_frame); tramp_frame_prepend_unwinder (gdbarch, &arm_linux_restart_syscall_tramp_frame); tramp_frame_prepend_unwinder (gdbarch, &arm_kernel_linux_restart_syscall_tramp_frame); /* Core file support. */ set_gdbarch_regset_from_core_section (gdbarch, arm_linux_regset_from_core_section); set_gdbarch_core_read_description (gdbarch, arm_linux_core_read_description); if (tdep->have_vfp_registers) set_gdbarch_core_regset_sections (gdbarch, arm_linux_vfp_regset_sections); else if (tdep->have_fpa_registers) set_gdbarch_core_regset_sections (gdbarch, arm_linux_fpa_regset_sections); set_gdbarch_get_siginfo_type (gdbarch, linux_get_siginfo_type); /* Displaced stepping. */ set_gdbarch_displaced_step_copy_insn (gdbarch, arm_linux_displaced_step_copy_insn); set_gdbarch_displaced_step_fixup (gdbarch, arm_displaced_step_fixup); set_gdbarch_displaced_step_free_closure (gdbarch, simple_displaced_step_free_closure); set_gdbarch_displaced_step_location (gdbarch, displaced_step_at_entry_point); /* Reversible debugging, process record. */ set_gdbarch_process_record (gdbarch, arm_process_record); /* SystemTap functions. */ set_gdbarch_stap_integer_prefixes (gdbarch, stap_integer_prefixes); set_gdbarch_stap_register_prefixes (gdbarch, stap_register_prefixes); set_gdbarch_stap_register_indirection_prefixes (gdbarch, stap_register_indirection_prefixes); set_gdbarch_stap_register_indirection_suffixes (gdbarch, stap_register_indirection_suffixes); set_gdbarch_stap_gdb_register_prefix (gdbarch, "r"); set_gdbarch_stap_is_single_operand (gdbarch, arm_stap_is_single_operand); set_gdbarch_stap_parse_special_token (gdbarch, arm_stap_parse_special_token); tdep->syscall_next_pc = arm_linux_syscall_next_pc; /* `catch syscall' */ set_xml_syscall_file_name ("syscalls/arm-linux.xml"); set_gdbarch_get_syscall_number (gdbarch, arm_linux_get_syscall_number); /* Syscall record. */ tdep->arm_swi_record = NULL; }