binutils-gdb/gdb/aarch64-linux-nat.c
John Baldwin 481695ed5f Remove unnecessary function prototypes.
These prototypes were required when compiling GDB as C but are not
required for C++.

gdb/ChangeLog:

	* aarch64-linux-nat.c: Remove _initialize_aarch64_linux_nat
	prototype.
	* aarch64-linux-tdep.c: Remove _initialize_aarch64_linux_tdep
	prototype.
	* aarch64-newlib-tdep.c: Remove _initialize_aarch64_newlib_tdep
	prototype.
	* aarch64-tdep.c: Remove _initialize_aarch64_tdep prototype.
	* ada-exp.y: Remove _initialize_ada_exp prototype.
	* ada-lang.c: Remove _initialize_ada_language prototype.
	* ada-tasks.c: Remove _initialize_tasks prototype.
	* addrmap.c: Remove _initialize_addrmap prototype.
	* agent.c: Remove _initialize_agent prototype.
	* aix-thread.c: Remove _initialize_aix_thread prototype.
	* alpha-bsd-nat.c: Remove _initialize_alphabsd_nat prototype.
	* alpha-linux-nat.c: Remove _initialize_alpha_linux_nat prototype.
	* alpha-linux-tdep.c: Remove _initialize_alpha_linux_tdep
	prototype.
	* alpha-nbsd-tdep.c: Remove _initialize_alphanbsd_tdep prototype.
	* alpha-obsd-tdep.c: Remove _initialize_alphaobsd_tdep prototype.
	* alpha-tdep.c: Remove _initialize_alpha_tdep prototype.
	* amd64-darwin-tdep.c: Remove _initialize_amd64_darwin_tdep
	prototype.
	* amd64-dicos-tdep.c: Remove _initialize_amd64_dicos_tdep
	prototype.
	* amd64-fbsd-nat.c: Remove _initialize_amd64fbsd_nat prototype.
	* amd64-fbsd-tdep.c: Remove _initialize_amd64fbsd_tdep prototype.
	* amd64-linux-nat.c: Remove _initialize_amd64_linux_nat prototype.
	* amd64-linux-tdep.c: Remove _initialize_amd64_linux_tdep
	prototype.
	* amd64-nbsd-nat.c: Remove _initialize_amd64nbsd_nat prototype.
	* amd64-nbsd-tdep.c: Remove _initialize_amd64nbsd_tdep prototype.
	* amd64-obsd-nat.c: Remove _initialize_amd64obsd_nat prototype.
	* amd64-obsd-tdep.c: Remove _initialize_amd64obsd_tdep prototype.
	* amd64-sol2-tdep.c: Remove _initialize_amd64_sol2_tdep prototype.
	* amd64-tdep.c: Remove _initialize_amd64_tdep prototype.
	* amd64-windows-nat.c: Remove _initialize_amd64_windows_nat
	prototype.
	* amd64-windows-tdep.c: Remove _initialize_amd64_windows_tdep
	prototype.
	* annotate.c: Remove _initialize_annotate prototype.
	* arc-newlib-tdep.c: Remove _initialize_arc_newlib_tdep prototype.
	* arc-tdep.c: Remove _initialize_arc_tdep prototype.
	* arch-utils.c: Remove _initialize_gdbarch_utils prototype.
	* arm-linux-nat.c: Remove _initialize_arm_linux_nat prototype.
	* arm-linux-tdep.c: Remove _initialize_arm_linux_tdep prototype.
	* arm-nbsd-tdep.c: Remove _initialize_arm_netbsd_tdep prototype.
	* arm-obsd-tdep.c: Remove _initialize_armobsd_tdep prototype.
	* arm-symbian-tdep.c: Remove _initialize_arm_symbian_tdep
	prototype.
	* arm-tdep.c: Remove _initialize_arm_tdep prototype.
	* arm-wince-tdep.c: Remove _initialize_arm_wince_tdep prototype.
	* auto-load.c: Remove _initialize_auto_load prototype.
	* auxv.c: Remove _initialize_auxv prototype.
	* avr-tdep.c: Remove _initialize_avr_tdep prototype.
	* ax-gdb.c: Remove _initialize_ax_gdb prototype.
	* bfin-linux-tdep.c: Remove _initialize_bfin_linux_tdep prototype.
	* bfin-tdep.c: Remove _initialize_bfin_tdep prototype.
	* break-catch-sig.c: Remove _initialize_break_catch_sig prototype.
	* break-catch-syscall.c: Remove _initialize_break_catch_syscall
	prototype.
	* break-catch-throw.c: Remove _initialize_break_catch_throw
	prototype.
	* breakpoint.c: Remove _initialize_breakpoint prototype.
	* bsd-uthread.c: Remove _initialize_bsd_uthread prototype.
	* btrace.c: Remove _initialize_btrace prototype.
	* charset.c: Remove _initialize_charset prototype.
	* cli/cli-cmds.c: Remove _initialize_cli_cmds prototype.
	* cli/cli-dump.c: Remove _initialize_cli_dump prototype.
	* cli/cli-interp.c: Remove _initialize_cli_interp prototype.
	* cli/cli-logging.c: Remove _initialize_cli_logging prototype.
	* cli/cli-script.c: Remove _initialize_cli_script prototype.
	* coff-pe-read.c: Remove _initialize_coff_pe_read prototype.
	* coffread.c: Remove _initialize_coffread prototype.
	* compile/compile.c: Remove _initialize_compile prototype.
	* complaints.c: Remove _initialize_complaints prototype.
	* completer.c: Remove _initialize_completer prototype.
	* copying.awk: Remove _initialize_copying prototype.
	* copying.c: Regenerate.
	* core-regset.c: Remove _initialize_core_regset prototype.
	* corefile.c: Remove _initialize_core prototype.
	* corelow.c: Remove _initialize_corelow prototype.
	* cp-abi.c: Remove _initialize_cp_abi prototype.
	* cp-namespace.c: Remove _initialize_cp_namespace prototype.
	* cp-support.c: Remove _initialize_cp_support prototype.
	* cp-valprint.c: Remove _initialize_cp_valprint prototype.
	* cris-linux-tdep.c: Remove _initialize_cris_linux_tdep prototype.
	* cris-tdep.c: Remove _initialize_cris_tdep prototype.
	* ctf.c: Remove _initialize_ctf prototype.
	* d-lang.c: Remove _initialize_d_language prototype.
	* darwin-nat-info.c: Remove _initialize_darwin_info_commands
	prototype.
	* darwin-nat.c: Remove _initialize_darwin_inferior prototype.
	* dbxread.c: Remove _initialize_dbxread prototype.
	* dcache.c: Remove _initialize_dcache prototype.
	* demangle.c: Remove _initialize_demangler prototype.
	* disasm-selftests.c: Remove _initialize_disasm_selftests
	prototype.
	* disasm.c: Remove _initialize_disasm prototype.
	* dtrace-probe.c: Remove _initialize_dtrace_probe prototype.
	* dummy-frame.c: Remove _initialize_dummy_frame prototype.
	* dwarf2-frame-tailcall.c: Remove _initialize_tailcall_frame
	prototype.
	* dwarf2-frame.c: Remove _initialize_dwarf2_frame prototype.
	* dwarf2expr.c: Remove _initialize_dwarf2expr prototype.
	* dwarf2loc.c: Remove _initialize_dwarf2loc prototype.
	* dwarf2read.c: Remove _initialize_dwarf2_read prototype.
	* elfread.c: Remove _initialize_elfread prototype.
	* exec.c: Remove _initialize_exec prototype.
	* extension.c: Remove _initialize_extension prototype.
	* f-lang.c: Remove _initialize_f_language prototype.
	* f-valprint.c: Remove _initialize_f_valprint prototype.
	* fbsd-nat.c: Remove _initialize_fbsd_nat prototype.
	* fbsd-tdep.c: Remove _initialize_fbsd_tdep prototype.
	* filesystem.c: Remove _initialize_filesystem prototype.
	* findcmd.c: Remove _initialize_mem_search prototype.
	* fork-child.c: Remove _initialize_fork_child prototype.
	* frame-base.c: Remove _initialize_frame_base prototype.
	* frame-unwind.c: Remove _initialize_frame_unwind prototype.
	* frame.c: Remove _initialize_frame prototype.
	* frv-linux-tdep.c: Remove _initialize_frv_linux_tdep prototype.
	* frv-tdep.c: Remove _initialize_frv_tdep prototype.
	* ft32-tdep.c: Remove _initialize_ft32_tdep prototype.
	* gcore.c: Remove _initialize_gcore prototype.
	* gdb_bfd.c: Remove _initialize_gdb_bfd prototype.
	* gdbarch.c: Regenerate.
	* gdbarch.sh: Remove _initialize_gdbarch prototype.
	* gdbtypes.c: Remove _initialize_gdbtypes prototype.
	* gnu-nat.c: Remove _initialize_gnu_nat prototype.
	* gnu-v2-abi.c: Remove _initialize_gnu_v2_abi prototype.
	* gnu-v3-abi.c: Remove _initialize_gnu_v3_abi prototype.
	* go-lang.c: Remove _initialize_go_language prototype.
	* go32-nat.c: Remove _initialize_go32_nat prototype.
	* guile/guile.c: Remove _initialize_guile prototype.
	* h8300-tdep.c: Remove _initialize_h8300_tdep prototype.
	* hppa-linux-nat.c: Remove _initialize_hppa_linux_nat prototype.
	* hppa-linux-tdep.c: Remove _initialize_hppa_linux_tdep prototype.
	* hppa-nbsd-nat.c: Remove _initialize_hppanbsd_nat prototype.
	* hppa-nbsd-tdep.c: Remove _initialize_hppanbsd_tdep prototype.
	* hppa-obsd-nat.c: Remove _initialize_hppaobsd_nat prototype.
	* hppa-obsd-tdep.c: Remove _initialize_hppaobsd_tdep prototype.
	* hppa-tdep.c: Remove _initialize_hppa_tdep prototype.
	* i386-bsd-nat.c: Remove _initialize_i386bsd_nat prototype.
	* i386-cygwin-tdep.c: Remove _initialize_i386_cygwin_tdep
	prototype.
	* i386-darwin-tdep.c: Remove _initialize_i386_darwin_tdep
	prototype.
	* i386-dicos-tdep.c: Remove _initialize_i386_dicos_tdep prototype.
	* i386-fbsd-nat.c: Remove _initialize_i386fbsd_nat prototype.
	* i386-fbsd-tdep.c: Remove _initialize_i386fbsd_tdep prototype.
	* i386-gnu-nat.c: Remove _initialize_i386gnu_nat prototype.
	* i386-gnu-tdep.c: Remove _initialize_i386gnu_tdep prototype.
	* i386-linux-nat.c: Remove _initialize_i386_linux_nat prototype.
	* i386-linux-tdep.c: Remove _initialize_i386_linux_tdep prototype.
	* i386-nbsd-nat.c: Remove _initialize_i386nbsd_nat prototype.
	* i386-nbsd-tdep.c: Remove _initialize_i386nbsd_tdep prototype.
	* i386-nto-tdep.c: Remove _initialize_i386nto_tdep prototype.
	* i386-obsd-nat.c: Remove _initialize_i386obsd_nat prototype.
	* i386-obsd-tdep.c: Remove _initialize_i386obsd_tdep prototype.
	* i386-sol2-nat.c: Remove _initialize_amd64_sol2_nat prototype.
	* i386-sol2-tdep.c: Remove _initialize_amd64_sol2_tdep prototype.
	* i386-tdep.c: Remove _initialize_i386_tdep prototype.
	* i386-windows-nat.c: Remove _initialize_i386_windows_nat
	prototype.
	* ia64-libunwind-tdep.c: Remove _initialize_libunwind_frame
	prototype.
	* ia64-linux-nat.c: Remove _initialize_ia64_linux_nat prototype.
	* ia64-linux-tdep.c: Remove _initialize_ia64_linux_tdep prototype.
	* ia64-tdep.c: Remove _initialize_ia64_tdep prototype.
	* ia64-vms-tdep.c: Remove _initialize_ia64_vms_tdep prototype.
	* infcall.c: Remove _initialize_infcall prototype.
	* infcmd.c: Remove _initialize_infcmd prototype.
	* inferior.c: Remove _initialize_inferiors prototype.
	* inflow.c: Remove _initialize_inflow prototype.
	* infrun.c: Remove _initialize_infrun prototype.
	* interps.c: Remove _initialize_interpreter prototype.
	* iq2000-tdep.c: Remove _initialize_iq2000_tdep prototype.
	* jit.c: Remove _initialize_jit prototype.
	* language.c: Remove _initialize_language prototype.
	* linux-fork.c: Remove _initialize_linux_fork prototype.
	* linux-nat.c: Remove _initialize_linux_nat prototype.
	* linux-tdep.c: Remove _initialize_linux_tdep prototype.
	* linux-thread-db.c: Remove _initialize_thread_db prototype.
	* lm32-tdep.c: Remove _initialize_lm32_tdep prototype.
	* m2-lang.c: Remove _initialize_m2_language prototype.
	* m32c-tdep.c: Remove _initialize_m32c_tdep prototype.
	* m32r-linux-nat.c: Remove _initialize_m32r_linux_nat prototype.
	* m32r-linux-tdep.c: Remove _initialize_m32r_linux_tdep prototype.
	* m32r-tdep.c: Remove _initialize_m32r_tdep prototype.
	* m68hc11-tdep.c: Remove _initialize_m68hc11_tdep prototype.
	* m68k-bsd-nat.c: Remove _initialize_m68kbsd_nat prototype.
	* m68k-bsd-tdep.c: Remove _initialize_m68kbsd_tdep prototype.
	* m68k-linux-nat.c: Remove _initialize_m68k_linux_tdep prototype.
	* m68k-linux-tdep.c: Remove _initialize_m68k_linux_tdep prototype.
	* m68k-tdep.c: Remove _initialize_m68k_tdep prototype.
	* m88k-bsd-nat.c: Remove _initialize_m68kbsd_nat prototype.
	* m88k-tdep.c: Remove _initialize_m68kbsd_tdep prototype.
	* machoread.c: Remove _initialize_machoread prototype.
	* macrocmd.c: Remove _initialize_macrocmd prototype.
	* macroscope.c: Remove _initialize_macroscope prototype.
	* maint.c: Remove _initialize_maint_cmds prototype.
	* mdebugread.c: Remove _initialize_mdebugread prototype.
	* memattr.c: Remove _initialize_mem prototype.
	* mep-tdep.c: Remove _initialize_mep_tdep prototype.
	* mi/mi-cmd-env.c: Remove _initialize_mi_cmd_env prototype.
	* mi/mi-cmds.c: Remove _initialize_mi_cmds prototype.
	* mi/mi-interp.c: Remove _initialize_mi_interp prototype.
	* mi/mi-main.c: Remove _initialize_mi_main prototype.
	* microblaze-linux-tdep.c: Remove
	_initialize_microblaze_linux_tdep prototype.
	* microblaze-tdep.c: Remove _initialize_microblaze_tdep prototype.
	* mips-fbsd-nat.c: Remove _initialize_mips_fbsd_nat prototype.
	* mips-fbsd-tdep.c: Remove _initialize_mips_fbsd_tdep prototype.
	* mips-linux-nat.c: Remove _initialize_mips_linux_nat prototype.
	* mips-linux-tdep.c: Remove _initialize_mips_linux_tdep prototype.
	* mips-nbsd-nat.c: Remove _initialize_mipsnbsd_nat prototype.
	* mips-nbsd-tdep.c: Remove _initialize_mipsnbsd_tdep prototype.
	* mips-sde-tdep.c: Remove _initialize_mips_sde_tdep prototype.
	* mips-tdep.c: Remove _initialize_mips_tdep prototype.
	* mips64-obsd-nat.c: Remove _initialize_mips64obsd_nat prototype.
	* mips64-obsd-tdep.c: Remove _initialize_mips64obsd_tdep
	prototype.
	* mipsread.c: Remove _initialize_mipsread prototype.
	* mn10300-linux-tdep.c: Remove _initialize_mn10300_linux_tdep
	prototype.
	* mn10300-tdep.c: Remove _initialize_mn10300_tdep prototype.
	* moxie-tdep.c: Remove _initialize_moxie_tdep prototype.
	* msp430-tdep.c: Remove _initialize_msp430_tdep prototype.
	* mt-tdep.c: Remove _initialize_mt_tdep prototype.
	* nds32-tdep.c: Remove _initialize_nds32_tdep prototype.
	* nios2-linux-tdep.c: Remove _initialize_nios2_linux_tdep
	prototype.
	* nios2-tdep.c: Remove _initialize_nios2_tdep prototype.
	* nto-procfs.c: Remove _initialize_procfs prototype.
	* nto-tdep.c: Remove _initialize_nto_tdep prototype.
	* objc-lang.c: Remove _initialize_objc_language prototype.
	* objfiles.c: Remove _initialize_objfiles prototype.
	* observer.c: Remove observer_test_first_notification_function,
	observer_test_second_notification_function,
	observer_test_third_notification_function, and
	_initialize_observer prototypes.
	* opencl-lang.c: Remove _initialize_opencl_language prototypes.
	* osabi.c: Remove _initialize_gdb_osabi prototype.
	* osdata.c: Remove _initialize_osdata prototype.
	* p-valprint.c: Remove _initialize_pascal_valprint prototype.
	* parse.c: Remove _initialize_parse prototype.
	* ppc-fbsd-nat.c: Remove _initialize_ppcfbsd_nat prototype.
	* ppc-fbsd-tdep.c: Remove _initialize_ppcfbsd_tdep prototype.
	* ppc-linux-nat.c: Remove _initialize_ppc_linux_nat prototype.
	* ppc-linux-tdep.c: Remove _initialize_ppc_linux_tdep prototype.
	* ppc-nbsd-nat.c: Remove _initialize_ppcnbsd_nat prototype.
	* ppc-nbsd-tdep.c: Remove _initialize_ppcnbsd_tdep prototype.
	* ppc-obsd-nat.c: Remove _initialize_ppcobsd_nat prototype.
	* ppc-obsd-tdep.c: Remove _initialize_ppcobsd_tdep prototype.
	* printcmd.c: Remove _initialize_printcmd prototype.
	* probe.c: Remove _initialize_probe prototype.
	* proc-api.c: Remove _initialize_proc_api prototype.
	* proc-events.c: Remove _initialize_proc_events prototype.
	* proc-service.c: Remove _initialize_proc_service prototype.
	* procfs.c: Remove _initialize_procfs prototype.
	* psymtab.c: Remove _initialize_psymtab prototype.
	* python/python.c: Remove _initialize_python prototype.
	* ravenscar-thread.c: Remove _initialize_ravenscar prototype.
	* record-btrace.c: Remove _initialize_record_btrace prototype.
	* record-full.c: Remove _initialize_record_full prototype.
	* record.c: Remove _initialize_record prototype.
	* regcache.c: Remove _initialize_regcache prototype.
	* reggroups.c: Remove _initialize_reggroup prototype.
	* remote-notif.c: Remove _initialize_notif prototype.
	* remote-sim.c: Remove _initialize_remote_sim prototype.
	* remote.c: Remove _initialize_remote prototype.
	* reverse.c: Remove _initialize_reverse prototype.
	* rl78-tdep.c: Remove _initialize_rl78_tdep prototype.
	* rs6000-aix-tdep.c: Remove _initialize_rs6000_aix_tdep prototype.
	* rs6000-lynx178-tdep.c: Remove _initialize_rs6000_lynx178_tdep
	prototype.
	* rs6000-nat.c: Remove _initialize_rs6000_nat prototype.
	* rs6000-tdep.c: Remove _initialize_rs6000_tdep prototype.
	* rust-exp.y: Remove _initialize_rust_exp prototype.
	* rx-tdep.c: Remove _initialize_rx_tdep prototype.
	* s390-linux-nat.c: Remove _initialize_s390_nat prototype.
	* s390-linux-tdep.c: Remove _initialize_s390_tdep prototype.
	* score-tdep.c: Remove _initialize_score_tdep prototype.
	* selftest-arch.c: Remove _initialize_selftests_foreach_arch
	prototype.
	* ser-go32.c: Remove _initialize_ser_dos prototype.
	* ser-mingw.c: Remove _initialize_ser_windows prototype.
	* ser-pipe.c: Remove _initialize_ser_pipe prototype.
	* ser-tcp.c: Remove _initialize_ser_tcp prototype.
	* ser-unix.c: Remove _initialize_ser_hardwire prototype.
	* serial.c: Remove _initialize_serial prototype.
	* sh-linux-tdep.c: Remove _initialize_sh_linux_tdep prototype.
	* sh-nbsd-nat.c: Remove _initialize_shnbsd_nat prototype.
	* sh-nbsd-tdep.c: Remove _initialize_shnbsd_tdep prototype.
	* sh-tdep.c: Remove _initialize_sh_tdep prototype.
	* skip.c: Remove _initialize_step_skip prototype.
	* sol-thread.c: Remove _initialize_sol_thread prototype.
	* solib-aix.c: Remove _initialize_solib_aix prototype.
	* solib-darwin.c: Remove _initialize_darwin_solib prototype.
	* solib-dsbt.c: Remove _initialize_dsbt_solib prototype.
	* solib-frv.c: Remove _initialize_frv_solib prototype.
	* solib-spu.c: Remove _initialize_spu_solib prototype.
	* solib-svr4.c: Remove _initialize_svr4_solib prototype.
	* solib-target.c: Remove _initialize_solib_target prototype.
	* solib.c: Remove _initialize_solib prototype.
	* source.c: Remove _initialize_source prototype.
	* sparc-linux-nat.c: Remove _initialize_sparc_linux_nat prototype.
	* sparc-linux-tdep.c: Remove _initialize_sparc_linux_tdep
	prototype.
	* sparc-nat.c: Remove _initialize_sparc_nat prototype.
	* sparc-nbsd-nat.c: Remove _initialize_sparcnbsd_nat prototype.
	* sparc-nbsd-tdep.c: Remove _initialize_sparcnbsd_tdep prototype.
	* sparc-obsd-tdep.c: Remove _initialize_sparc32obsd_tdep
	prototype.
	* sparc-sol2-nat.c: Remove _initialize_sparc_sol2_nat prototype.
	* sparc-sol2-tdep.c: Remove _initialize_sparc_sol2_tdep prototype.
	* sparc-tdep.c: Remove _initialize_sparc_tdep prototype.
	* sparc64-fbsd-nat.c: Remove _initialize_sparc64fbsd_nat
	prototype.
	* sparc64-fbsd-tdep.c: Remove _initialize_sparc64fbsd_tdep
	prototype.
	* sparc64-linux-nat.c: Remove _initialize_sparc64_linux_nat
	prototype.
	* sparc64-linux-tdep.c: Remove _initialize_sparc64_linux_tdep
	prototype.
	* sparc64-nat.c: Remove _initialize_sparc64_nat prototype.
	* sparc64-nbsd-nat.c: Remove _initialize_sparc64nbsd_nat
	prototype.
	* sparc64-nbsd-tdep.c: Remove _initialize_sparc64nbsd_tdep
	prototype.
	* sparc64-obsd-nat.c: Remove _initialize_sparc64obsd_nat
	prototype.
	* sparc64-obsd-tdep.c: Remove _initialize_sparc64obsd_tdep
	prototype.
	* sparc64-sol2-tdep.c: Remove _initialize_sparc64_sol2_tdep
	prototype.
	* spu-linux-nat.c: Remove _initialize_spu_nat prototype.
	* spu-multiarch.c: Remove _initialize_spu_multiarch prototype.
	* spu-tdep.c: Remove _initialize_spu_tdep prototype.
	* stabsread.c: Remove _initialize_stabsread prototype.
	* stack.c: Remove _initialize_stack prototype.
	* stap-probe.c: Remove _initialize_stap_probe prototype.
	* std-regs.c: Remove _initialize_frame_reg prototype.
	* symfile-debug.c: Remove _initialize_symfile_debug prototype.
	* symfile-mem.c: Remove _initialize_symfile_mem prototype.
	* symfile.c: Remove _initialize_symfile prototype.
	* symmisc.c: Remove _initialize_symmisc prototype.
	* symtab.c: Remove _initialize_symtab prototype.
	* target-dcache.c: Remove _initialize_target_dcache prototype.
	* target-descriptions.c: Remove _initialize_target_descriptions
	prototype.
	* thread.c: Remove _initialize_thread prototype.
	* tic6x-linux-tdep.c: Remove _initialize_tic6x_linux_tdep
	prototype.
	* tic6x-tdep.c: Remove _initialize_tic6x_tdep prototype.
	* tilegx-linux-nat.c: Remove _initialize_tile_linux_nat prototype.
	* tilegx-linux-tdep.c: Remove _initialize_tilegx_linux_tdep
	prototype.
	* tilegx-tdep.c: Remove _initialize_tilegx_tdep prototype.
	* tracefile-tfile.c: Remove _initialize_tracefile_tfile prototype.
	* tracefile.c: Remove _initialize_tracefile prototype.
	* tracepoint.c: Remove _initialize_tracepoint prototype.
	* tui/tui-hooks.c: Remove _initialize_tui_hooks prototype.
	* tui/tui-interp.c: Remove _initialize_tui_interp prototype.
	* tui/tui-layout.c: Remove _initialize_tui_layout prototype.
	* tui/tui-regs.c: Remove _initialize_tui_regs prototype.
	* tui/tui-stack.c: Remove _initialize_tui_stack prototype.
	* tui/tui-win.c: Remove _initialize_tui_win prototype.
	* tui/tui.c: Remove _initialize_tui prototype.
	* typeprint.c: Remove _initialize_typeprint prototype.
	* user-regs.c: Remove _initialize_user_regs prototype.
	* utils.c: Remove _initialize_utils prototype.
	* v850-tdep.c: Remove _initialize_v850_tdep prototype.
	* valarith.c: Remove _initialize_valarith prototype.
	* valops.c: Remove _initialize_valops prototype.
	* valprint.c: Remove _initialize_valprint prototype.
	* value.c: Remove _initialize_values prototype.
	* varobj.c: Remove _initialize_varobj prototype.
	* vax-bsd-nat.c: Remove _initialize_vaxbsd_nat prototype.
	* vax-nbsd-tdep.c: Remove _initialize_vaxnbsd_tdep prototype.
	* vax-tdep.c: Remove _initialize_vax_tdep prototype.
	* windows-nat.c: Remove _initialize_windows_nat,
	_initialize_check_for_gdb_ini, and _initialize_loadable
	prototypes.
	* windows-tdep.c: Remove _initialize_windows_tdep prototype.
	* xcoffread.c: Remove _initialize_xcoffread prototype.
	* xml-support.c: Remove _initialize_xml_support prototype.
	* xstormy16-tdep.c: Remove _initialize_xstormy16_tdep prototype.
	* xtensa-linux-nat.c: Remove _initialize_xtensa_linux_nat
	prototype.
	* xtensa-linux-tdep.c: Remove _initialize_xtensa_linux_tdep
	prototype.
	* xtensa-tdep.c: Remove _initialize_xtensa_tdep prototype.
2017-09-09 11:02:37 -07:00

847 lines
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/* Native-dependent code for GNU/Linux AArch64.
Copyright (C) 2011-2017 Free Software Foundation, Inc.
Contributed by ARM Ltd.
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 "defs.h"
#include "inferior.h"
#include "gdbcore.h"
#include "regcache.h"
#include "linux-nat.h"
#include "target-descriptions.h"
#include "auxv.h"
#include "gdbcmd.h"
#include "aarch64-tdep.h"
#include "aarch64-linux-tdep.h"
#include "aarch32-linux-nat.h"
#include "nat/aarch64-linux.h"
#include "nat/aarch64-linux-hw-point.h"
#include "elf/external.h"
#include "elf/common.h"
#include "nat/gdb_ptrace.h"
#include <sys/utsname.h>
#include <asm/ptrace.h>
#include "gregset.h"
/* Defines ps_err_e, struct ps_prochandle. */
#include "gdb_proc_service.h"
#ifndef TRAP_HWBKPT
#define TRAP_HWBKPT 0x0004
#endif
/* Per-process data. We don't bind this to a per-inferior registry
because of targets like x86 GNU/Linux that need to keep track of
processes that aren't bound to any inferior (e.g., fork children,
checkpoints). */
struct aarch64_process_info
{
/* Linked list. */
struct aarch64_process_info *next;
/* The process identifier. */
pid_t pid;
/* Copy of aarch64 hardware debug registers. */
struct aarch64_debug_reg_state state;
};
static struct aarch64_process_info *aarch64_process_list = NULL;
/* Find process data for process PID. */
static struct aarch64_process_info *
aarch64_find_process_pid (pid_t pid)
{
struct aarch64_process_info *proc;
for (proc = aarch64_process_list; proc; proc = proc->next)
if (proc->pid == pid)
return proc;
return NULL;
}
/* Add process data for process PID. Returns newly allocated info
object. */
static struct aarch64_process_info *
aarch64_add_process (pid_t pid)
{
struct aarch64_process_info *proc;
proc = XCNEW (struct aarch64_process_info);
proc->pid = pid;
proc->next = aarch64_process_list;
aarch64_process_list = proc;
return proc;
}
/* Get data specific info for process PID, creating it if necessary.
Never returns NULL. */
static struct aarch64_process_info *
aarch64_process_info_get (pid_t pid)
{
struct aarch64_process_info *proc;
proc = aarch64_find_process_pid (pid);
if (proc == NULL)
proc = aarch64_add_process (pid);
return proc;
}
/* Called whenever GDB is no longer debugging process PID. It deletes
data structures that keep track of debug register state. */
static void
aarch64_forget_process (pid_t pid)
{
struct aarch64_process_info *proc, **proc_link;
proc = aarch64_process_list;
proc_link = &aarch64_process_list;
while (proc != NULL)
{
if (proc->pid == pid)
{
*proc_link = proc->next;
xfree (proc);
return;
}
proc_link = &proc->next;
proc = *proc_link;
}
}
/* Get debug registers state for process PID. */
struct aarch64_debug_reg_state *
aarch64_get_debug_reg_state (pid_t pid)
{
return &aarch64_process_info_get (pid)->state;
}
/* Fill GDB's register array with the general-purpose register values
from the current thread. */
static void
fetch_gregs_from_thread (struct regcache *regcache)
{
int ret, tid;
struct gdbarch *gdbarch = get_regcache_arch (regcache);
elf_gregset_t regs;
struct iovec iovec;
/* Make sure REGS can hold all registers contents on both aarch64
and arm. */
gdb_static_assert (sizeof (regs) >= 18 * 4);
tid = ptid_get_lwp (regcache_get_ptid (regcache));
iovec.iov_base = &regs;
if (gdbarch_bfd_arch_info (gdbarch)->bits_per_word == 32)
iovec.iov_len = 18 * 4;
else
iovec.iov_len = sizeof (regs);
ret = ptrace (PTRACE_GETREGSET, tid, NT_PRSTATUS, &iovec);
if (ret < 0)
perror_with_name (_("Unable to fetch general registers."));
if (gdbarch_bfd_arch_info (gdbarch)->bits_per_word == 32)
aarch32_gp_regcache_supply (regcache, (uint32_t *) regs, 1);
else
{
int regno;
for (regno = AARCH64_X0_REGNUM; regno <= AARCH64_CPSR_REGNUM; regno++)
regcache_raw_supply (regcache, regno, &regs[regno - AARCH64_X0_REGNUM]);
}
}
/* Store to the current thread the valid general-purpose register
values in the GDB's register array. */
static void
store_gregs_to_thread (const struct regcache *regcache)
{
int ret, tid;
elf_gregset_t regs;
struct iovec iovec;
struct gdbarch *gdbarch = get_regcache_arch (regcache);
/* Make sure REGS can hold all registers contents on both aarch64
and arm. */
gdb_static_assert (sizeof (regs) >= 18 * 4);
tid = ptid_get_lwp (regcache_get_ptid (regcache));
iovec.iov_base = &regs;
if (gdbarch_bfd_arch_info (gdbarch)->bits_per_word == 32)
iovec.iov_len = 18 * 4;
else
iovec.iov_len = sizeof (regs);
ret = ptrace (PTRACE_GETREGSET, tid, NT_PRSTATUS, &iovec);
if (ret < 0)
perror_with_name (_("Unable to fetch general registers."));
if (gdbarch_bfd_arch_info (gdbarch)->bits_per_word == 32)
aarch32_gp_regcache_collect (regcache, (uint32_t *) regs, 1);
else
{
int regno;
for (regno = AARCH64_X0_REGNUM; regno <= AARCH64_CPSR_REGNUM; regno++)
if (REG_VALID == regcache_register_status (regcache, regno))
regcache_raw_collect (regcache, regno,
&regs[regno - AARCH64_X0_REGNUM]);
}
ret = ptrace (PTRACE_SETREGSET, tid, NT_PRSTATUS, &iovec);
if (ret < 0)
perror_with_name (_("Unable to store general registers."));
}
/* Fill GDB's register array with the fp/simd register values
from the current thread. */
static void
fetch_fpregs_from_thread (struct regcache *regcache)
{
int ret, tid;
elf_fpregset_t regs;
struct iovec iovec;
struct gdbarch *gdbarch = get_regcache_arch (regcache);
/* Make sure REGS can hold all VFP registers contents on both aarch64
and arm. */
gdb_static_assert (sizeof regs >= VFP_REGS_SIZE);
tid = ptid_get_lwp (regcache_get_ptid (regcache));
iovec.iov_base = &regs;
if (gdbarch_bfd_arch_info (gdbarch)->bits_per_word == 32)
{
iovec.iov_len = VFP_REGS_SIZE;
ret = ptrace (PTRACE_GETREGSET, tid, NT_ARM_VFP, &iovec);
if (ret < 0)
perror_with_name (_("Unable to fetch VFP registers."));
aarch32_vfp_regcache_supply (regcache, (gdb_byte *) &regs, 32);
}
else
{
int regno;
iovec.iov_len = sizeof (regs);
ret = ptrace (PTRACE_GETREGSET, tid, NT_FPREGSET, &iovec);
if (ret < 0)
perror_with_name (_("Unable to fetch vFP/SIMD registers."));
for (regno = AARCH64_V0_REGNUM; regno <= AARCH64_V31_REGNUM; regno++)
regcache_raw_supply (regcache, regno,
&regs.vregs[regno - AARCH64_V0_REGNUM]);
regcache_raw_supply (regcache, AARCH64_FPSR_REGNUM, &regs.fpsr);
regcache_raw_supply (regcache, AARCH64_FPCR_REGNUM, &regs.fpcr);
}
}
/* Store to the current thread the valid fp/simd register
values in the GDB's register array. */
static void
store_fpregs_to_thread (const struct regcache *regcache)
{
int ret, tid;
elf_fpregset_t regs;
struct iovec iovec;
struct gdbarch *gdbarch = get_regcache_arch (regcache);
/* Make sure REGS can hold all VFP registers contents on both aarch64
and arm. */
gdb_static_assert (sizeof regs >= VFP_REGS_SIZE);
tid = ptid_get_lwp (regcache_get_ptid (regcache));
iovec.iov_base = &regs;
if (gdbarch_bfd_arch_info (gdbarch)->bits_per_word == 32)
{
iovec.iov_len = VFP_REGS_SIZE;
ret = ptrace (PTRACE_GETREGSET, tid, NT_ARM_VFP, &iovec);
if (ret < 0)
perror_with_name (_("Unable to fetch VFP registers."));
aarch32_vfp_regcache_collect (regcache, (gdb_byte *) &regs, 32);
}
else
{
int regno;
iovec.iov_len = sizeof (regs);
ret = ptrace (PTRACE_GETREGSET, tid, NT_FPREGSET, &iovec);
if (ret < 0)
perror_with_name (_("Unable to fetch FP/SIMD registers."));
for (regno = AARCH64_V0_REGNUM; regno <= AARCH64_V31_REGNUM; regno++)
if (REG_VALID == regcache_register_status (regcache, regno))
regcache_raw_collect (regcache, regno,
(char *) &regs.vregs[regno - AARCH64_V0_REGNUM]);
if (REG_VALID == regcache_register_status (regcache, AARCH64_FPSR_REGNUM))
regcache_raw_collect (regcache, AARCH64_FPSR_REGNUM,
(char *) &regs.fpsr);
if (REG_VALID == regcache_register_status (regcache, AARCH64_FPCR_REGNUM))
regcache_raw_collect (regcache, AARCH64_FPCR_REGNUM,
(char *) &regs.fpcr);
}
if (gdbarch_bfd_arch_info (gdbarch)->bits_per_word == 32)
{
ret = ptrace (PTRACE_SETREGSET, tid, NT_ARM_VFP, &iovec);
if (ret < 0)
perror_with_name (_("Unable to store VFP registers."));
}
else
{
ret = ptrace (PTRACE_SETREGSET, tid, NT_FPREGSET, &iovec);
if (ret < 0)
perror_with_name (_("Unable to store FP/SIMD registers."));
}
}
/* Implement the "to_fetch_register" target_ops method. */
static void
aarch64_linux_fetch_inferior_registers (struct target_ops *ops,
struct regcache *regcache,
int regno)
{
if (regno == -1)
{
fetch_gregs_from_thread (regcache);
fetch_fpregs_from_thread (regcache);
}
else if (regno < AARCH64_V0_REGNUM)
fetch_gregs_from_thread (regcache);
else
fetch_fpregs_from_thread (regcache);
}
/* Implement the "to_store_register" target_ops method. */
static void
aarch64_linux_store_inferior_registers (struct target_ops *ops,
struct regcache *regcache,
int regno)
{
if (regno == -1)
{
store_gregs_to_thread (regcache);
store_fpregs_to_thread (regcache);
}
else if (regno < AARCH64_V0_REGNUM)
store_gregs_to_thread (regcache);
else
store_fpregs_to_thread (regcache);
}
/* Fill register REGNO (if it is a general-purpose register) in
*GREGSETPS with the value in GDB's register array. If REGNO is -1,
do this for all registers. */
void
fill_gregset (const struct regcache *regcache,
gdb_gregset_t *gregsetp, int regno)
{
regcache_collect_regset (&aarch64_linux_gregset, regcache,
regno, (gdb_byte *) gregsetp,
AARCH64_LINUX_SIZEOF_GREGSET);
}
/* Fill GDB's register array with the general-purpose register values
in *GREGSETP. */
void
supply_gregset (struct regcache *regcache, const gdb_gregset_t *gregsetp)
{
regcache_supply_regset (&aarch64_linux_gregset, regcache, -1,
(const gdb_byte *) gregsetp,
AARCH64_LINUX_SIZEOF_GREGSET);
}
/* Fill register REGNO (if it is a floating-point register) in
*FPREGSETP with the value in GDB's register array. If REGNO is -1,
do this for all registers. */
void
fill_fpregset (const struct regcache *regcache,
gdb_fpregset_t *fpregsetp, int regno)
{
regcache_collect_regset (&aarch64_linux_fpregset, regcache,
regno, (gdb_byte *) fpregsetp,
AARCH64_LINUX_SIZEOF_FPREGSET);
}
/* Fill GDB's register array with the floating-point register values
in *FPREGSETP. */
void
supply_fpregset (struct regcache *regcache, const gdb_fpregset_t *fpregsetp)
{
regcache_supply_regset (&aarch64_linux_fpregset, regcache, -1,
(const gdb_byte *) fpregsetp,
AARCH64_LINUX_SIZEOF_FPREGSET);
}
/* linux_nat_new_fork hook. */
static void
aarch64_linux_new_fork (struct lwp_info *parent, pid_t child_pid)
{
pid_t parent_pid;
struct aarch64_debug_reg_state *parent_state;
struct aarch64_debug_reg_state *child_state;
/* NULL means no watchpoint has ever been set in the parent. In
that case, there's nothing to do. */
if (parent->arch_private == NULL)
return;
/* GDB core assumes the child inherits the watchpoints/hw
breakpoints of the parent, and will remove them all from the
forked off process. Copy the debug registers mirrors into the
new process so that all breakpoints and watchpoints can be
removed together. */
parent_pid = ptid_get_pid (parent->ptid);
parent_state = aarch64_get_debug_reg_state (parent_pid);
child_state = aarch64_get_debug_reg_state (child_pid);
*child_state = *parent_state;
}
/* Called by libthread_db. Returns a pointer to the thread local
storage (or its descriptor). */
ps_err_e
ps_get_thread_area (struct ps_prochandle *ph,
lwpid_t lwpid, int idx, void **base)
{
int is_64bit_p
= (gdbarch_bfd_arch_info (target_gdbarch ())->bits_per_word == 64);
return aarch64_ps_get_thread_area (ph, lwpid, idx, base, is_64bit_p);
}
static void (*super_post_startup_inferior) (struct target_ops *self,
ptid_t ptid);
/* Implement the "to_post_startup_inferior" target_ops method. */
static void
aarch64_linux_child_post_startup_inferior (struct target_ops *self,
ptid_t ptid)
{
aarch64_forget_process (ptid_get_pid (ptid));
aarch64_linux_get_debug_reg_capacity (ptid_get_pid (ptid));
super_post_startup_inferior (self, ptid);
}
extern struct target_desc *tdesc_arm_with_neon;
/* Implement the "to_read_description" target_ops method. */
static const struct target_desc *
aarch64_linux_read_description (struct target_ops *ops)
{
int ret, tid;
gdb_byte regbuf[VFP_REGS_SIZE];
struct iovec iovec;
tid = ptid_get_lwp (inferior_ptid);
iovec.iov_base = regbuf;
iovec.iov_len = VFP_REGS_SIZE;
ret = ptrace (PTRACE_GETREGSET, tid, NT_ARM_VFP, &iovec);
if (ret == 0)
return tdesc_arm_with_neon;
else
return tdesc_aarch64;
}
/* Convert a native/host siginfo object, into/from the siginfo in the
layout of the inferiors' architecture. Returns true if any
conversion was done; false otherwise. If DIRECTION is 1, then copy
from INF to NATIVE. If DIRECTION is 0, copy from NATIVE to
INF. */
static int
aarch64_linux_siginfo_fixup (siginfo_t *native, gdb_byte *inf, int direction)
{
struct gdbarch *gdbarch = get_frame_arch (get_current_frame ());
/* Is the inferior 32-bit? If so, then do fixup the siginfo
object. */
if (gdbarch_bfd_arch_info (gdbarch)->bits_per_word == 32)
{
if (direction == 0)
aarch64_compat_siginfo_from_siginfo ((struct compat_siginfo *) inf,
native);
else
aarch64_siginfo_from_compat_siginfo (native,
(struct compat_siginfo *) inf);
return 1;
}
return 0;
}
/* Returns the number of hardware watchpoints of type TYPE that we can
set. Value is positive if we can set CNT watchpoints, zero if
setting watchpoints of type TYPE is not supported, and negative if
CNT is more than the maximum number of watchpoints of type TYPE
that we can support. TYPE is one of bp_hardware_watchpoint,
bp_read_watchpoint, bp_write_watchpoint, or bp_hardware_breakpoint.
CNT is the number of such watchpoints used so far (including this
one). OTHERTYPE is non-zero if other types of watchpoints are
currently enabled. */
static int
aarch64_linux_can_use_hw_breakpoint (struct target_ops *self,
enum bptype type,
int cnt, int othertype)
{
if (type == bp_hardware_watchpoint || type == bp_read_watchpoint
|| type == bp_access_watchpoint || type == bp_watchpoint)
{
if (aarch64_num_wp_regs == 0)
return 0;
}
else if (type == bp_hardware_breakpoint)
{
if (aarch64_num_bp_regs == 0)
return 0;
}
else
gdb_assert_not_reached ("unexpected breakpoint type");
/* We always return 1 here because we don't have enough information
about possible overlap of addresses that they want to watch. As an
extreme example, consider the case where all the watchpoints watch
the same address and the same region length: then we can handle a
virtually unlimited number of watchpoints, due to debug register
sharing implemented via reference counts. */
return 1;
}
/* Insert a hardware-assisted breakpoint at BP_TGT->reqstd_address.
Return 0 on success, -1 on failure. */
static int
aarch64_linux_insert_hw_breakpoint (struct target_ops *self,
struct gdbarch *gdbarch,
struct bp_target_info *bp_tgt)
{
int ret;
CORE_ADDR addr = bp_tgt->placed_address = bp_tgt->reqstd_address;
int len;
const enum target_hw_bp_type type = hw_execute;
struct aarch64_debug_reg_state *state
= aarch64_get_debug_reg_state (ptid_get_pid (inferior_ptid));
gdbarch_breakpoint_from_pc (gdbarch, &addr, &len);
if (show_debug_regs)
fprintf_unfiltered
(gdb_stdlog,
"insert_hw_breakpoint on entry (addr=0x%08lx, len=%d))\n",
(unsigned long) addr, len);
ret = aarch64_handle_breakpoint (type, addr, len, 1 /* is_insert */, state);
if (show_debug_regs)
{
aarch64_show_debug_reg_state (state,
"insert_hw_breakpoint", addr, len, type);
}
return ret;
}
/* Remove a hardware-assisted breakpoint at BP_TGT->placed_address.
Return 0 on success, -1 on failure. */
static int
aarch64_linux_remove_hw_breakpoint (struct target_ops *self,
struct gdbarch *gdbarch,
struct bp_target_info *bp_tgt)
{
int ret;
CORE_ADDR addr = bp_tgt->placed_address;
int len = 4;
const enum target_hw_bp_type type = hw_execute;
struct aarch64_debug_reg_state *state
= aarch64_get_debug_reg_state (ptid_get_pid (inferior_ptid));
gdbarch_breakpoint_from_pc (gdbarch, &addr, &len);
if (show_debug_regs)
fprintf_unfiltered
(gdb_stdlog, "remove_hw_breakpoint on entry (addr=0x%08lx, len=%d))\n",
(unsigned long) addr, len);
ret = aarch64_handle_breakpoint (type, addr, len, 0 /* is_insert */, state);
if (show_debug_regs)
{
aarch64_show_debug_reg_state (state,
"remove_hw_watchpoint", addr, len, type);
}
return ret;
}
/* Implement the "to_insert_watchpoint" target_ops method.
Insert a watchpoint to watch a memory region which starts at
address ADDR and whose length is LEN bytes. Watch memory accesses
of the type TYPE. Return 0 on success, -1 on failure. */
static int
aarch64_linux_insert_watchpoint (struct target_ops *self,
CORE_ADDR addr, int len,
enum target_hw_bp_type type,
struct expression *cond)
{
int ret;
struct aarch64_debug_reg_state *state
= aarch64_get_debug_reg_state (ptid_get_pid (inferior_ptid));
if (show_debug_regs)
fprintf_unfiltered (gdb_stdlog,
"insert_watchpoint on entry (addr=0x%08lx, len=%d)\n",
(unsigned long) addr, len);
gdb_assert (type != hw_execute);
ret = aarch64_handle_watchpoint (type, addr, len, 1 /* is_insert */, state);
if (show_debug_regs)
{
aarch64_show_debug_reg_state (state,
"insert_watchpoint", addr, len, type);
}
return ret;
}
/* Implement the "to_remove_watchpoint" target_ops method.
Remove a watchpoint that watched the memory region which starts at
address ADDR, whose length is LEN bytes, and for accesses of the
type TYPE. Return 0 on success, -1 on failure. */
static int
aarch64_linux_remove_watchpoint (struct target_ops *self,
CORE_ADDR addr, int len,
enum target_hw_bp_type type,
struct expression *cond)
{
int ret;
struct aarch64_debug_reg_state *state
= aarch64_get_debug_reg_state (ptid_get_pid (inferior_ptid));
if (show_debug_regs)
fprintf_unfiltered (gdb_stdlog,
"remove_watchpoint on entry (addr=0x%08lx, len=%d)\n",
(unsigned long) addr, len);
gdb_assert (type != hw_execute);
ret = aarch64_handle_watchpoint (type, addr, len, 0 /* is_insert */, state);
if (show_debug_regs)
{
aarch64_show_debug_reg_state (state,
"remove_watchpoint", addr, len, type);
}
return ret;
}
/* Implement the "to_region_ok_for_hw_watchpoint" target_ops method. */
static int
aarch64_linux_region_ok_for_hw_watchpoint (struct target_ops *self,
CORE_ADDR addr, int len)
{
return aarch64_linux_region_ok_for_watchpoint (addr, len);
}
/* Implement the "to_stopped_data_address" target_ops method. */
static int
aarch64_linux_stopped_data_address (struct target_ops *target,
CORE_ADDR *addr_p)
{
siginfo_t siginfo;
int i, tid;
struct aarch64_debug_reg_state *state;
if (!linux_nat_get_siginfo (inferior_ptid, &siginfo))
return 0;
/* This must be a hardware breakpoint. */
if (siginfo.si_signo != SIGTRAP
|| (siginfo.si_code & 0xffff) != TRAP_HWBKPT)
return 0;
/* Check if the address matches any watched address. */
state = aarch64_get_debug_reg_state (ptid_get_pid (inferior_ptid));
for (i = aarch64_num_wp_regs - 1; i >= 0; --i)
{
const unsigned int len = aarch64_watchpoint_length (state->dr_ctrl_wp[i]);
const CORE_ADDR addr_trap = (CORE_ADDR) siginfo.si_addr;
const CORE_ADDR addr_watch = state->dr_addr_wp[i];
if (state->dr_ref_count_wp[i]
&& DR_CONTROL_ENABLED (state->dr_ctrl_wp[i])
&& addr_trap >= addr_watch
&& addr_trap < addr_watch + len)
{
*addr_p = addr_trap;
return 1;
}
}
return 0;
}
/* Implement the "to_stopped_by_watchpoint" target_ops method. */
static int
aarch64_linux_stopped_by_watchpoint (struct target_ops *ops)
{
CORE_ADDR addr;
return aarch64_linux_stopped_data_address (ops, &addr);
}
/* Implement the "to_watchpoint_addr_within_range" target_ops method. */
static int
aarch64_linux_watchpoint_addr_within_range (struct target_ops *target,
CORE_ADDR addr,
CORE_ADDR start, int length)
{
return start <= addr && start + length - 1 >= addr;
}
/* Implement the "to_can_do_single_step" target_ops method. */
static int
aarch64_linux_can_do_single_step (struct target_ops *target)
{
return 1;
}
/* Define AArch64 maintenance commands. */
static void
add_show_debug_regs_command (void)
{
/* A maintenance command to enable printing the internal DRi mirror
variables. */
add_setshow_boolean_cmd ("show-debug-regs", class_maintenance,
&show_debug_regs, _("\
Set whether to show variables that mirror the AArch64 debug registers."), _("\
Show whether to show variables that mirror the AArch64 debug registers."), _("\
Use \"on\" to enable, \"off\" to disable.\n\
If enabled, the debug registers values are shown when GDB inserts\n\
or removes a hardware breakpoint or watchpoint, and when the inferior\n\
triggers a breakpoint or watchpoint."),
NULL,
NULL,
&maintenance_set_cmdlist,
&maintenance_show_cmdlist);
}
void
_initialize_aarch64_linux_nat (void)
{
struct target_ops *t;
/* Fill in the generic GNU/Linux methods. */
t = linux_target ();
add_show_debug_regs_command ();
/* Add our register access methods. */
t->to_fetch_registers = aarch64_linux_fetch_inferior_registers;
t->to_store_registers = aarch64_linux_store_inferior_registers;
t->to_read_description = aarch64_linux_read_description;
t->to_can_use_hw_breakpoint = aarch64_linux_can_use_hw_breakpoint;
t->to_insert_hw_breakpoint = aarch64_linux_insert_hw_breakpoint;
t->to_remove_hw_breakpoint = aarch64_linux_remove_hw_breakpoint;
t->to_region_ok_for_hw_watchpoint =
aarch64_linux_region_ok_for_hw_watchpoint;
t->to_insert_watchpoint = aarch64_linux_insert_watchpoint;
t->to_remove_watchpoint = aarch64_linux_remove_watchpoint;
t->to_stopped_by_watchpoint = aarch64_linux_stopped_by_watchpoint;
t->to_stopped_data_address = aarch64_linux_stopped_data_address;
t->to_watchpoint_addr_within_range =
aarch64_linux_watchpoint_addr_within_range;
t->to_can_do_single_step = aarch64_linux_can_do_single_step;
/* Override the GNU/Linux inferior startup hook. */
super_post_startup_inferior = t->to_post_startup_inferior;
t->to_post_startup_inferior = aarch64_linux_child_post_startup_inferior;
/* Register the target. */
linux_nat_add_target (t);
linux_nat_set_new_thread (t, aarch64_linux_new_thread);
linux_nat_set_new_fork (t, aarch64_linux_new_fork);
linux_nat_set_forget_process (t, aarch64_forget_process);
linux_nat_set_prepare_to_resume (t, aarch64_linux_prepare_to_resume);
/* Add our siginfo layout converter. */
linux_nat_set_siginfo_fixup (t, aarch64_linux_siginfo_fixup);
}