diff options
Diffstat (limited to 'gdb/gdbserver/linux-sh-low.c')
| -rw-r--r-- | gdb/gdbserver/linux-sh-low.c | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/gdb/gdbserver/linux-sh-low.c b/gdb/gdbserver/linux-sh-low.c deleted file mode 100644 index abe71ff..0000000 --- a/gdb/gdbserver/linux-sh-low.c +++ /dev/null @@ -1,189 +0,0 @@ -/* GNU/Linux/SH specific low level interface, for the remote server for GDB. - Copyright (C) 1995-2020 Free Software Foundation, Inc. - - This file is part of GDB. - - 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/>. */ - -#include "server.h" -#include "linux-low.h" - -/* Defined in auto-generated file reg-sh.c. */ -void init_registers_sh (void); -extern const struct target_desc *tdesc_sh; - -#ifdef HAVE_SYS_REG_H -#include <sys/reg.h> -#endif - -#include <asm/ptrace.h> - -#define sh_num_regs 41 - -/* Currently, don't check/send MQ. */ -static int sh_regmap[] = { - 0, 4, 8, 12, 16, 20, 24, 28, - 32, 36, 40, 44, 48, 52, 56, 60, - - REG_PC*4, REG_PR*4, REG_GBR*4, -1, - REG_MACH*4, REG_MACL*4, REG_SR*4, - REG_FPUL*4, REG_FPSCR*4, - - REG_FPREG0*4+0, REG_FPREG0*4+4, REG_FPREG0*4+8, REG_FPREG0*4+12, - REG_FPREG0*4+16, REG_FPREG0*4+20, REG_FPREG0*4+24, REG_FPREG0*4+28, - REG_FPREG0*4+32, REG_FPREG0*4+36, REG_FPREG0*4+40, REG_FPREG0*4+44, - REG_FPREG0*4+48, REG_FPREG0*4+52, REG_FPREG0*4+56, REG_FPREG0*4+60, -}; - -static int -sh_cannot_store_register (int regno) -{ - return 0; -} - -static int -sh_cannot_fetch_register (int regno) -{ - return 0; -} - -/* Correct in either endianness, obviously. */ -static const unsigned short sh_breakpoint = 0xc3c3; -#define sh_breakpoint_len 2 - -/* Implementation of linux_target_ops method "sw_breakpoint_from_kind". */ - -static const gdb_byte * -sh_sw_breakpoint_from_kind (int kind, int *size) -{ - *size = sh_breakpoint_len; - return (const gdb_byte *) &sh_breakpoint; -} - -static int -sh_breakpoint_at (CORE_ADDR where) -{ - unsigned short insn; - - (*the_target->read_memory) (where, (unsigned char *) &insn, 2); - if (insn == sh_breakpoint) - return 1; - - /* If necessary, recognize more trap instructions here. GDB only uses the - one. */ - return 0; -} - -/* Support for hardware single step. */ - -static int -sh_supports_hardware_single_step (void) -{ - return 1; -} - -/* Provide only a fill function for the general register set. ps_lgetregs - will use this for NPTL support. */ - -static void sh_fill_gregset (struct regcache *regcache, void *buf) -{ - int i; - - for (i = 0; i < 23; i++) - if (sh_regmap[i] != -1) - collect_register (regcache, i, (char *) buf + sh_regmap[i]); -} - -static struct regset_info sh_regsets[] = { - { 0, 0, 0, 0, GENERAL_REGS, sh_fill_gregset, NULL }, - NULL_REGSET -}; - -static struct regsets_info sh_regsets_info = - { - sh_regsets, /* regsets */ - 0, /* num_regsets */ - NULL, /* disabled_regsets */ - }; - -static struct usrregs_info sh_usrregs_info = - { - sh_num_regs, - sh_regmap, - }; - -static struct regs_info regs_info = - { - NULL, /* regset_bitmap */ - &sh_usrregs_info, - &sh_regsets_info - }; - -static const struct regs_info * -sh_regs_info (void) -{ - return ®s_info; -} - -static void -sh_arch_setup (void) -{ - current_process ()->tdesc = tdesc_sh; -} - -struct linux_target_ops the_low_target = { - sh_arch_setup, - sh_regs_info, - sh_cannot_fetch_register, - sh_cannot_store_register, - NULL, /* fetch_register */ - linux_get_pc_32bit, - linux_set_pc_32bit, - NULL, /* breakpoint_kind_from_pc */ - sh_sw_breakpoint_from_kind, - NULL, - 0, - sh_breakpoint_at, - NULL, /* supports_z_point_type */ - NULL, /* insert_point */ - NULL, /* remove_point */ - NULL, /* stopped_by_watchpoint */ - NULL, /* stopped_data_address */ - NULL, /* collect_ptrace_register */ - NULL, /* supply_ptrace_register */ - NULL, /* siginfo_fixup */ - NULL, /* new_process */ - NULL, /* delete_process */ - NULL, /* new_thread */ - NULL, /* delete_thread */ - NULL, /* new_fork */ - NULL, /* prepare_to_resume */ - NULL, /* process_qsupported */ - NULL, /* supports_tracepoints */ - NULL, /* get_thread_area */ - NULL, /* install_fast_tracepoint_jump_pad */ - NULL, /* emit_ops */ - NULL, /* get_min_fast_tracepoint_insn_len */ - NULL, /* supports_range_stepping */ - NULL, /* breakpoint_kind_from_current_state */ - sh_supports_hardware_single_step, -}; - -void -initialize_low_arch (void) -{ - init_registers_sh (); - - initialize_regsets_info (&sh_regsets_info); -} |