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binutils-gdb/gdb/mn10300-linux-tdep.c
Simon Marchi 6c2659886f gdb: add back declarations for _initialize functions 
I'd like to enable the -Wmissing-declarations warning.  However, it
warns for every _initialize function, for example:

      CXX    dcache.o
    /home/smarchi/src/binutils-gdb/gdb/dcache.c: In function ‘void _initialize_dcache()’:
    /home/smarchi/src/binutils-gdb/gdb/dcache.c:688:1: error: no previous declaration for ‘void _initialize_dcache()’ [-Werror=missing-declarations]
     _initialize_dcache (void)
     ^~~~~~~~~~~~~~~~~~

The only practical way forward I found is to add back the declarations,
which were removed by this commit:

    commit 481695ed5f
    Author: John Baldwin <jhb@FreeBSD.org>
    Date:   Sat Sep 9 11:02:37 2017 -0700

        Remove unnecessary function prototypes.

I don't think it's a big problem to have the declarations for these
functions, but if anybody has a better solution for this, I'll be happy
to use it.

gdb/ChangeLog:

	* aarch64-fbsd-nat.c (_initialize_aarch64_fbsd_nat): Add declaration.
	* aarch64-fbsd-tdep.c (_initialize_aarch64_fbsd_tdep): Add declaration.
	* aarch64-linux-nat.c (_initialize_aarch64_linux_nat): Add declaration.
	* aarch64-linux-tdep.c (_initialize_aarch64_linux_tdep): Add declaration.
	* aarch64-newlib-tdep.c (_initialize_aarch64_newlib_tdep): Add declaration.
	* aarch64-tdep.c (_initialize_aarch64_tdep): Add declaration.
	* ada-exp.y (_initialize_ada_exp): Add declaration.
	* ada-lang.c (_initialize_ada_language): Add declaration.
	* ada-tasks.c (_initialize_tasks): Add declaration.
	* agent.c (_initialize_agent): Add declaration.
	* aix-thread.c (_initialize_aix_thread): Add declaration.
	* alpha-bsd-nat.c (_initialize_alphabsd_nat): Add declaration.
	* alpha-linux-nat.c (_initialize_alpha_linux_nat): Add declaration.
	* alpha-linux-tdep.c (_initialize_alpha_linux_tdep): Add declaration.
	* alpha-nbsd-tdep.c (_initialize_alphanbsd_tdep): Add declaration.
	* alpha-obsd-tdep.c (_initialize_alphaobsd_tdep): Add declaration.
	* alpha-tdep.c (_initialize_alpha_tdep): Add declaration.
	* amd64-darwin-tdep.c (_initialize_amd64_darwin_tdep): Add declaration.
	* amd64-dicos-tdep.c (_initialize_amd64_dicos_tdep): Add declaration.
	* amd64-fbsd-nat.c (_initialize_amd64fbsd_nat): Add declaration.
	* amd64-fbsd-tdep.c (_initialize_amd64fbsd_tdep): Add declaration.
	* amd64-linux-nat.c (_initialize_amd64_linux_nat): Add declaration.
	* amd64-linux-tdep.c (_initialize_amd64_linux_tdep): Add declaration.
	* amd64-nbsd-nat.c (_initialize_amd64nbsd_nat): Add declaration.
	* amd64-nbsd-tdep.c (_initialize_amd64nbsd_tdep): Add declaration.
	* amd64-obsd-nat.c (_initialize_amd64obsd_nat): Add declaration.
	* amd64-obsd-tdep.c (_initialize_amd64obsd_tdep): Add declaration.
	* amd64-sol2-tdep.c (_initialize_amd64_sol2_tdep): Add declaration.
	* amd64-tdep.c (_initialize_amd64_tdep): Add declaration.
	* amd64-windows-nat.c (_initialize_amd64_windows_nat): Add declaration.
	* amd64-windows-tdep.c (_initialize_amd64_windows_tdep): Add declaration.
	* annotate.c (_initialize_annotate): Add declaration.
	* arc-newlib-tdep.c (_initialize_arc_newlib_tdep): Add declaration.
	* arc-tdep.c (_initialize_arc_tdep): Add declaration.
	* arch-utils.c (_initialize_gdbarch_utils): Add declaration.
	* arm-fbsd-nat.c (_initialize_arm_fbsd_nat): Add declaration.
	* arm-fbsd-tdep.c (_initialize_arm_fbsd_tdep): Add declaration.
	* arm-linux-nat.c (_initialize_arm_linux_nat): Add declaration.
	* arm-linux-tdep.c (_initialize_arm_linux_tdep): Add declaration.
	* arm-nbsd-nat.c (_initialize_arm_netbsd_nat): Add declaration.
	* arm-nbsd-tdep.c (_initialize_arm_netbsd_tdep): Add declaration.
	* arm-obsd-tdep.c (_initialize_armobsd_tdep): Add declaration.
	* arm-pikeos-tdep.c (_initialize_arm_pikeos_tdep): Add declaration.
	* arm-symbian-tdep.c (_initialize_arm_symbian_tdep): Add declaration.
	* arm-tdep.c (_initialize_arm_tdep): Add declaration.
	* arm-wince-tdep.c (_initialize_arm_wince_tdep): Add declaration.
	* auto-load.c (_initialize_auto_load): Add declaration.
	* auxv.c (_initialize_auxv): Add declaration.
	* avr-tdep.c (_initialize_avr_tdep): Add declaration.
	* ax-gdb.c (_initialize_ax_gdb): Add declaration.
	* bfin-linux-tdep.c (_initialize_bfin_linux_tdep): Add declaration.
	* bfin-tdep.c (_initialize_bfin_tdep): Add declaration.
	* break-catch-sig.c (_initialize_break_catch_sig): Add declaration.
	* break-catch-syscall.c (_initialize_break_catch_syscall): Add declaration.
	* break-catch-throw.c (_initialize_break_catch_throw): Add declaration.
	* breakpoint.c (_initialize_breakpoint): Add declaration.
	* bsd-uthread.c (_initialize_bsd_uthread): Add declaration.
	* btrace.c (_initialize_btrace): Add declaration.
	* charset.c (_initialize_charset): Add declaration.
	* cli/cli-cmds.c (_initialize_cli_cmds): Add declaration.
	* cli/cli-dump.c (_initialize_cli_dump): Add declaration.
	* cli/cli-interp.c (_initialize_cli_interp): Add declaration.
	* cli/cli-logging.c (_initialize_cli_logging): Add declaration.
	* cli/cli-script.c (_initialize_cli_script): Add declaration.
	* cli/cli-style.c (_initialize_cli_style): Add declaration.
	* coff-pe-read.c (_initialize_coff_pe_read): Add declaration.
	* coffread.c (_initialize_coffread): Add declaration.
	* compile/compile-cplus-types.c (_initialize_compile_cplus_types): Add declaration.
	* compile/compile.c (_initialize_compile): Add declaration.
	* complaints.c (_initialize_complaints): Add declaration.
	* completer.c (_initialize_completer): Add declaration.
	* copying.c (_initialize_copying): Add declaration.
	* corefile.c (_initialize_core): Add declaration.
	* corelow.c (_initialize_corelow): Add declaration.
	* cp-abi.c (_initialize_cp_abi): Add declaration.
	* cp-namespace.c (_initialize_cp_namespace): Add declaration.
	* cp-support.c (_initialize_cp_support): Add declaration.
	* cp-valprint.c (_initialize_cp_valprint): Add declaration.
	* cris-linux-tdep.c (_initialize_cris_linux_tdep): Add declaration.
	* cris-tdep.c (_initialize_cris_tdep): Add declaration.
	* csky-linux-tdep.c (_initialize_csky_linux_tdep): Add declaration.
	* csky-tdep.c (_initialize_csky_tdep): Add declaration.
	* ctfread.c (_initialize_ctfread): Add declaration.
	* d-lang.c (_initialize_d_language): Add declaration.
	* darwin-nat-info.c (_initialize_darwin_info_commands): Add declaration.
	* darwin-nat.c (_initialize_darwin_nat): Add declaration.
	* dbxread.c (_initialize_dbxread): Add declaration.
	* dcache.c (_initialize_dcache): Add declaration.
	* disasm-selftests.c (_initialize_disasm_selftests): Add declaration.
	* disasm.c (_initialize_disasm): Add declaration.
	* dtrace-probe.c (_initialize_dtrace_probe): Add declaration.
	* dummy-frame.c (_initialize_dummy_frame): Add declaration.
	* dwarf-index-cache.c (_initialize_index_cache): Add declaration.
	* dwarf-index-write.c (_initialize_dwarf_index_write): Add declaration.
	* dwarf2-frame-tailcall.c (_initialize_tailcall_frame): Add declaration.
	* dwarf2-frame.c (_initialize_dwarf2_frame): Add declaration.
	* dwarf2expr.c (_initialize_dwarf2expr): Add declaration.
	* dwarf2loc.c (_initialize_dwarf2loc): Add declaration.
	* dwarf2read.c (_initialize_dwarf2_read): Add declaration.
	* elfread.c (_initialize_elfread): Add declaration.
	* exec.c (_initialize_exec): Add declaration.
	* extension.c (_initialize_extension): Add declaration.
	* f-lang.c (_initialize_f_language): Add declaration.
	* f-valprint.c (_initialize_f_valprint): Add declaration.
	* fbsd-nat.c (_initialize_fbsd_nat): Add declaration.
	* fbsd-tdep.c (_initialize_fbsd_tdep): Add declaration.
	* filesystem.c (_initialize_filesystem): Add declaration.
	* findcmd.c (_initialize_mem_search): Add declaration.
	* findvar.c (_initialize_findvar): Add declaration.
	* fork-child.c (_initialize_fork_child): Add declaration.
	* frame-base.c (_initialize_frame_base): Add declaration.
	* frame-unwind.c (_initialize_frame_unwind): Add declaration.
	* frame.c (_initialize_frame): Add declaration.
	* frv-linux-tdep.c (_initialize_frv_linux_tdep): Add declaration.
	* frv-tdep.c (_initialize_frv_tdep): Add declaration.
	* ft32-tdep.c (_initialize_ft32_tdep): Add declaration.
	* gcore.c (_initialize_gcore): Add declaration.
	* gdb-demangle.c (_initialize_gdb_demangle): Add declaration.
	* gdb_bfd.c (_initialize_gdb_bfd): Add declaration.
	* gdbarch-selftests.c (_initialize_gdbarch_selftests): Add declaration.
	* gdbarch.c (_initialize_gdbarch): Add declaration.
	* gdbtypes.c (_initialize_gdbtypes): Add declaration.
	* gnu-nat.c (_initialize_gnu_nat): Add declaration.
	* gnu-v2-abi.c (_initialize_gnu_v2_abi): Add declaration.
	* gnu-v3-abi.c (_initialize_gnu_v3_abi): Add declaration.
	* go-lang.c (_initialize_go_language): Add declaration.
	* go32-nat.c (_initialize_go32_nat): Add declaration.
	* guile/guile.c (_initialize_guile): Add declaration.
	* h8300-tdep.c (_initialize_h8300_tdep): Add declaration.
	* hppa-linux-nat.c (_initialize_hppa_linux_nat): Add declaration.
	* hppa-linux-tdep.c (_initialize_hppa_linux_tdep): Add declaration.
	* hppa-nbsd-nat.c (_initialize_hppanbsd_nat): Add declaration.
	* hppa-nbsd-tdep.c (_initialize_hppanbsd_tdep): Add declaration.
	* hppa-obsd-nat.c (_initialize_hppaobsd_nat): Add declaration.
	* hppa-obsd-tdep.c (_initialize_hppabsd_tdep): Add declaration.
	* hppa-tdep.c (_initialize_hppa_tdep): Add declaration.
	* i386-bsd-nat.c (_initialize_i386bsd_nat): Add declaration.
	* i386-cygwin-tdep.c (_initialize_i386_cygwin_tdep): Add declaration.
	* i386-darwin-nat.c (_initialize_i386_darwin_nat): Add declaration.
	* i386-darwin-tdep.c (_initialize_i386_darwin_tdep): Add declaration.
	* i386-dicos-tdep.c (_initialize_i386_dicos_tdep): Add declaration.
	* i386-fbsd-nat.c (_initialize_i386fbsd_nat): Add declaration.
	* i386-fbsd-tdep.c (_initialize_i386fbsd_tdep): Add declaration.
	* i386-gnu-nat.c (_initialize_i386gnu_nat): Add declaration.
	* i386-gnu-tdep.c (_initialize_i386gnu_tdep): Add declaration.
	* i386-go32-tdep.c (_initialize_i386_go32_tdep): Add declaration.
	* i386-linux-nat.c (_initialize_i386_linux_nat): Add declaration.
	* i386-linux-tdep.c (_initialize_i386_linux_tdep): Add declaration.
	* i386-nbsd-nat.c (_initialize_i386nbsd_nat): Add declaration.
	* i386-nbsd-tdep.c (_initialize_i386nbsd_tdep): Add declaration.
	* i386-nto-tdep.c (_initialize_i386nto_tdep): Add declaration.
	* i386-obsd-nat.c (_initialize_i386obsd_nat): Add declaration.
	* i386-obsd-tdep.c (_initialize_i386obsd_tdep): Add declaration.
	* i386-sol2-nat.c (_initialize_amd64_sol2_nat): Add declaration.
	* i386-sol2-tdep.c (_initialize_i386_sol2_tdep): Add declaration.
	* i386-tdep.c (_initialize_i386_tdep): Add declaration.
	* i386-windows-nat.c (_initialize_i386_windows_nat): Add declaration.
	* ia64-libunwind-tdep.c (_initialize_libunwind_frame): Add declaration.
	* ia64-linux-nat.c (_initialize_ia64_linux_nat): Add declaration.
	* ia64-linux-tdep.c (_initialize_ia64_linux_tdep): Add declaration.
	* ia64-tdep.c (_initialize_ia64_tdep): Add declaration.
	* ia64-vms-tdep.c (_initialize_ia64_vms_tdep): Add declaration.
	* infcall.c (_initialize_infcall): Add declaration.
	* infcmd.c (_initialize_infcmd): Add declaration.
	* inflow.c (_initialize_inflow): Add declaration.
	* infrun.c (_initialize_infrun): Add declaration.
	* interps.c (_initialize_interpreter): Add declaration.
	* iq2000-tdep.c (_initialize_iq2000_tdep): Add declaration.
	* jit.c (_initialize_jit): Add declaration.
	* language.c (_initialize_language): Add declaration.
	* linux-fork.c (_initialize_linux_fork): Add declaration.
	* linux-nat.c (_initialize_linux_nat): Add declaration.
	* linux-tdep.c (_initialize_linux_tdep): Add declaration.
	* linux-thread-db.c (_initialize_thread_db): Add declaration.
	* lm32-tdep.c (_initialize_lm32_tdep): Add declaration.
	* m2-lang.c (_initialize_m2_language): Add declaration.
	* m32c-tdep.c (_initialize_m32c_tdep): Add declaration.
	* m32r-linux-nat.c (_initialize_m32r_linux_nat): Add declaration.
	* m32r-linux-tdep.c (_initialize_m32r_linux_tdep): Add declaration.
	* m32r-tdep.c (_initialize_m32r_tdep): Add declaration.
	* m68hc11-tdep.c (_initialize_m68hc11_tdep): Add declaration.
	* m68k-bsd-nat.c (_initialize_m68kbsd_nat): Add declaration.
	* m68k-bsd-tdep.c (_initialize_m68kbsd_tdep): Add declaration.
	* m68k-linux-nat.c (_initialize_m68k_linux_nat): Add declaration.
	* m68k-linux-tdep.c (_initialize_m68k_linux_tdep): Add declaration.
	* m68k-tdep.c (_initialize_m68k_tdep): Add declaration.
	* machoread.c (_initialize_machoread): Add declaration.
	* macrocmd.c (_initialize_macrocmd): Add declaration.
	* macroscope.c (_initialize_macroscope): Add declaration.
	* maint-test-options.c (_initialize_maint_test_options): Add declaration.
	* maint-test-settings.c (_initialize_maint_test_settings): Add declaration.
	* maint.c (_initialize_maint_cmds): Add declaration.
	* mdebugread.c (_initialize_mdebugread): Add declaration.
	* memattr.c (_initialize_mem): Add declaration.
	* mep-tdep.c (_initialize_mep_tdep): Add declaration.
	* mi/mi-cmd-env.c (_initialize_mi_cmd_env): Add declaration.
	* mi/mi-cmds.c (_initialize_mi_cmds): Add declaration.
	* mi/mi-interp.c (_initialize_mi_interp): Add declaration.
	* mi/mi-main.c (_initialize_mi_main): Add declaration.
	* microblaze-linux-tdep.c (_initialize_microblaze_linux_tdep): Add declaration.
	* microblaze-tdep.c (_initialize_microblaze_tdep): Add declaration.
	* mips-fbsd-nat.c (_initialize_mips_fbsd_nat): Add declaration.
	* mips-fbsd-tdep.c (_initialize_mips_fbsd_tdep): Add declaration.
	* mips-linux-nat.c (_initialize_mips_linux_nat): Add declaration.
	* mips-linux-tdep.c (_initialize_mips_linux_tdep): Add declaration.
	* mips-nbsd-nat.c (_initialize_mipsnbsd_nat): Add declaration.
	* mips-nbsd-tdep.c (_initialize_mipsnbsd_tdep): Add declaration.
	* mips-sde-tdep.c (_initialize_mips_sde_tdep): Add declaration.
	* mips-tdep.c (_initialize_mips_tdep): Add declaration.
	* mips64-obsd-nat.c (_initialize_mips64obsd_nat): Add declaration.
	* mips64-obsd-tdep.c (_initialize_mips64obsd_tdep): Add declaration.
	* mipsread.c (_initialize_mipsread): Add declaration.
	* mn10300-linux-tdep.c (_initialize_mn10300_linux_tdep): Add declaration.
	* mn10300-tdep.c (_initialize_mn10300_tdep): Add declaration.
	* moxie-tdep.c (_initialize_moxie_tdep): Add declaration.
	* msp430-tdep.c (_initialize_msp430_tdep): Add declaration.
	* nds32-tdep.c (_initialize_nds32_tdep): Add declaration.
	* nios2-linux-tdep.c (_initialize_nios2_linux_tdep): Add declaration.
	* nios2-tdep.c (_initialize_nios2_tdep): Add declaration.
	* nto-procfs.c (_initialize_procfs): Add declaration.
	* objc-lang.c (_initialize_objc_language): Add declaration.
	* observable.c (_initialize_observer): Add declaration.
	* opencl-lang.c (_initialize_opencl_language): Add declaration.
	* or1k-linux-tdep.c (_initialize_or1k_linux_tdep): Add declaration.
	* or1k-tdep.c (_initialize_or1k_tdep): Add declaration.
	* osabi.c (_initialize_gdb_osabi): Add declaration.
	* osdata.c (_initialize_osdata): Add declaration.
	* p-valprint.c (_initialize_pascal_valprint): Add declaration.
	* parse.c (_initialize_parse): Add declaration.
	* ppc-fbsd-nat.c (_initialize_ppcfbsd_nat): Add declaration.
	* ppc-fbsd-tdep.c (_initialize_ppcfbsd_tdep): Add declaration.
	* ppc-linux-nat.c (_initialize_ppc_linux_nat): Add declaration.
	* ppc-linux-tdep.c (_initialize_ppc_linux_tdep): Add declaration.
	* ppc-nbsd-nat.c (_initialize_ppcnbsd_nat): Add declaration.
	* ppc-nbsd-tdep.c (_initialize_ppcnbsd_tdep): Add declaration.
	* ppc-obsd-nat.c (_initialize_ppcobsd_nat): Add declaration.
	* ppc-obsd-tdep.c (_initialize_ppcobsd_tdep): Add declaration.
	* printcmd.c (_initialize_printcmd): Add declaration.
	* probe.c (_initialize_probe): Add declaration.
	* proc-api.c (_initialize_proc_api): Add declaration.
	* proc-events.c (_initialize_proc_events): Add declaration.
	* proc-service.c (_initialize_proc_service): Add declaration.
	* procfs.c (_initialize_procfs): Add declaration.
	* producer.c (_initialize_producer): Add declaration.
	* psymtab.c (_initialize_psymtab): Add declaration.
	* python/python.c (_initialize_python): Add declaration.
	* ravenscar-thread.c (_initialize_ravenscar): Add declaration.
	* record-btrace.c (_initialize_record_btrace): Add declaration.
	* record-full.c (_initialize_record_full): Add declaration.
	* record.c (_initialize_record): Add declaration.
	* regcache-dump.c (_initialize_regcache_dump): Add declaration.
	* regcache.c (_initialize_regcache): Add declaration.
	* reggroups.c (_initialize_reggroup): Add declaration.
	* remote-notif.c (_initialize_notif): Add declaration.
	* remote-sim.c (_initialize_remote_sim): Add declaration.
	* remote.c (_initialize_remote): Add declaration.
	* reverse.c (_initialize_reverse): Add declaration.
	* riscv-fbsd-nat.c (_initialize_riscv_fbsd_nat): Add declaration.
	* riscv-fbsd-tdep.c (_initialize_riscv_fbsd_tdep): Add declaration.
	* riscv-linux-nat.c (_initialize_riscv_linux_nat): Add declaration.
	* riscv-linux-tdep.c (_initialize_riscv_linux_tdep): Add declaration.
	* riscv-tdep.c (_initialize_riscv_tdep): Add declaration.
	* rl78-tdep.c (_initialize_rl78_tdep): Add declaration.
	* rs6000-aix-tdep.c (_initialize_rs6000_aix_tdep): Add declaration.
	* rs6000-lynx178-tdep.c (_initialize_rs6000_lynx178_tdep):
	Add declaration.
	* rs6000-nat.c (_initialize_rs6000_nat): Add declaration.
	* rs6000-tdep.c (_initialize_rs6000_tdep): Add declaration.
	* run-on-main-thread.c (_initialize_run_on_main_thread): Add declaration.
	* rust-exp.y (_initialize_rust_exp): Add declaration.
	* rx-tdep.c (_initialize_rx_tdep): Add declaration.
	* s12z-tdep.c (_initialize_s12z_tdep): Add declaration.
	* s390-linux-nat.c (_initialize_s390_nat): Add declaration.
	* s390-linux-tdep.c (_initialize_s390_linux_tdep): Add declaration.
	* s390-tdep.c (_initialize_s390_tdep): Add declaration.
	* score-tdep.c (_initialize_score_tdep): Add declaration.
	* ser-go32.c (_initialize_ser_dos): Add declaration.
	* ser-mingw.c (_initialize_ser_windows): Add declaration.
	* ser-pipe.c (_initialize_ser_pipe): Add declaration.
	* ser-tcp.c (_initialize_ser_tcp): Add declaration.
	* ser-uds.c (_initialize_ser_socket): Add declaration.
	* ser-unix.c (_initialize_ser_hardwire): Add declaration.
	* serial.c (_initialize_serial): Add declaration.
	* sh-linux-tdep.c (_initialize_sh_linux_tdep): Add declaration.
	* sh-nbsd-nat.c (_initialize_shnbsd_nat): Add declaration.
	* sh-nbsd-tdep.c (_initialize_shnbsd_tdep): Add declaration.
	* sh-tdep.c (_initialize_sh_tdep): Add declaration.
	* skip.c (_initialize_step_skip): Add declaration.
	* sol-thread.c (_initialize_sol_thread): Add declaration.
	* solib-aix.c (_initialize_solib_aix): Add declaration.
	* solib-darwin.c (_initialize_darwin_solib): Add declaration.
	* solib-dsbt.c (_initialize_dsbt_solib): Add declaration.
	* solib-frv.c (_initialize_frv_solib): Add declaration.
	* solib-svr4.c (_initialize_svr4_solib): Add declaration.
	* solib-target.c (_initialize_solib_target): Add declaration.
	* solib.c (_initialize_solib): Add declaration.
	* source-cache.c (_initialize_source_cache): Add declaration.
	* source.c (_initialize_source): Add declaration.
	* sparc-linux-nat.c (_initialize_sparc_linux_nat): Add declaration.
	* sparc-linux-tdep.c (_initialize_sparc_linux_tdep): Add declaration.
	* sparc-nat.c (_initialize_sparc_nat): Add declaration.
	* sparc-nbsd-nat.c (_initialize_sparcnbsd_nat): Add declaration.
	* sparc-nbsd-tdep.c (_initialize_sparcnbsd_tdep): Add declaration.
	* sparc-obsd-tdep.c (_initialize_sparc32obsd_tdep): Add declaration.
	* sparc-sol2-tdep.c (_initialize_sparc_sol2_tdep): Add declaration.
	* sparc-tdep.c (_initialize_sparc_tdep): Add declaration.
	* sparc64-fbsd-nat.c (_initialize_sparc64fbsd_nat): Add declaration.
	* sparc64-fbsd-tdep.c (_initialize_sparc64fbsd_tdep): Add declaration.
	* sparc64-linux-nat.c (_initialize_sparc64_linux_nat): Add declaration.
	* sparc64-linux-tdep.c (_initialize_sparc64_linux_tdep): Add declaration.
	* sparc64-nat.c (_initialize_sparc64_nat): Add declaration.
	* sparc64-nbsd-nat.c (_initialize_sparc64nbsd_nat): Add declaration.
	* sparc64-nbsd-tdep.c (_initialize_sparc64nbsd_tdep): Add declaration.
	* sparc64-obsd-nat.c (_initialize_sparc64obsd_nat): Add declaration.
	* sparc64-obsd-tdep.c (_initialize_sparc64obsd_tdep): Add declaration.
	* sparc64-sol2-tdep.c (_initialize_sparc64_sol2_tdep): Add declaration.
	* sparc64-tdep.c (_initialize_sparc64_adi_tdep): Add declaration.
	* stabsread.c (_initialize_stabsread): Add declaration.
	* stack.c (_initialize_stack): Add declaration.
	* stap-probe.c (_initialize_stap_probe): Add declaration.
	* std-regs.c (_initialize_frame_reg): Add declaration.
	* symfile-debug.c (_initialize_symfile_debug): Add declaration.
	* symfile-mem.c (_initialize_symfile_mem): Add declaration.
	* symfile.c (_initialize_symfile): Add declaration.
	* symmisc.c (_initialize_symmisc): Add declaration.
	* symtab.c (_initialize_symtab): Add declaration.
	* target.c (_initialize_target): Add declaration.
	* target-connection.c (_initialize_target_connection): Add
	declaration.
	* target-dcache.c (_initialize_target_dcache): Add declaration.
	* target-descriptions.c (_initialize_target_descriptions): Add declaration.
	* thread.c (_initialize_thread): Add declaration.
	* tic6x-linux-tdep.c (_initialize_tic6x_linux_tdep): Add declaration.
	* tic6x-tdep.c (_initialize_tic6x_tdep): Add declaration.
	* tilegx-linux-nat.c (_initialize_tile_linux_nat): Add declaration.
	* tilegx-linux-tdep.c (_initialize_tilegx_linux_tdep): Add declaration.
	* tilegx-tdep.c (_initialize_tilegx_tdep): Add declaration.
	* tracectf.c (_initialize_ctf): Add declaration.
	* tracefile-tfile.c (_initialize_tracefile_tfile): Add declaration.
	* tracefile.c (_initialize_tracefile): Add declaration.
	* tracepoint.c (_initialize_tracepoint): Add declaration.
	* tui/tui-hooks.c (_initialize_tui_hooks): Add declaration.
	* tui/tui-interp.c (_initialize_tui_interp): Add declaration.
	* tui/tui-layout.c (_initialize_tui_layout): Add declaration.
	* tui/tui-regs.c (_initialize_tui_regs): Add declaration.
	* tui/tui-stack.c (_initialize_tui_stack): Add declaration.
	* tui/tui-win.c (_initialize_tui_win): Add declaration.
	* tui/tui.c (_initialize_tui): Add declaration.
	* typeprint.c (_initialize_typeprint): Add declaration.
	* ui-style.c (_initialize_ui_style): Add declaration.
	* unittests/array-view-selftests.c (_initialize_array_view_selftests): Add declaration.
	* unittests/child-path-selftests.c (_initialize_child_path_selftests): Add declaration.
	* unittests/cli-utils-selftests.c (_initialize_cli_utils_selftests): Add declaration.
	* unittests/common-utils-selftests.c (_initialize_common_utils_selftests): Add declaration.
	* unittests/copy_bitwise-selftests.c (_initialize_copy_bitwise_utils_selftests): Add declaration.
	* unittests/environ-selftests.c (_initialize_environ_selftests): Add declaration.
	* unittests/filtered_iterator-selftests.c
	(_initialize_filtered_iterator_selftests): Add declaration.
	* unittests/format_pieces-selftests.c (_initialize_format_pieces_selftests): Add declaration.
	* unittests/function-view-selftests.c (_initialize_function_view_selftests): Add declaration.
	* unittests/help-doc-selftests.c (_initialize_help_doc_selftests): Add declaration.
	* unittests/lookup_name_info-selftests.c (_initialize_lookup_name_info_selftests): Add declaration.
	* unittests/main-thread-selftests.c
	(_initialize_main_thread_selftests): Add declaration.
	* unittests/memory-map-selftests.c (_initialize_memory_map_selftests): Add declaration.
	* unittests/memrange-selftests.c (_initialize_memrange_selftests): Add declaration.
	* unittests/mkdir-recursive-selftests.c (_initialize_mkdir_recursive_selftests): Add declaration.
	* unittests/observable-selftests.c (_initialize_observer_selftest): Add declaration.
	* unittests/offset-type-selftests.c (_initialize_offset_type_selftests): Add declaration.
	* unittests/optional-selftests.c (_initialize_optional_selftests): Add declaration.
	* unittests/parse-connection-spec-selftests.c (_initialize_parse_connection_spec_selftests): Add declaration.
	* unittests/rsp-low-selftests.c (_initialize_rsp_low_selftests): Add declaration.
	* unittests/scoped_fd-selftests.c (_initialize_scoped_fd_selftests): Add declaration.
	* unittests/scoped_mmap-selftests.c (_initialize_scoped_mmap_selftests): Add declaration.
	* unittests/scoped_restore-selftests.c (_initialize_scoped_restore_selftests): Add declaration.
	* unittests/string_view-selftests.c (_initialize_string_view_selftests): Add declaration.
	* unittests/style-selftests.c (_initialize_style_selftest): Add declaration.
	* unittests/tracepoint-selftests.c (_initialize_tracepoint_selftests): Add declaration.
	* unittests/tui-selftests.c (_initialize_tui_selftest): Add
	declaration.
	* unittests/unpack-selftests.c (_initialize_unpack_selftests): Add declaration.
	* unittests/utils-selftests.c (_initialize_utils_selftests): Add declaration.
	* unittests/vec-utils-selftests.c (_initialize_vec_utils_selftests): Add declaration.
	* unittests/xml-utils-selftests.c (_initialize_xml_utils): Add declaration.
	* user-regs.c (_initialize_user_regs): Add declaration.
	* utils.c (_initialize_utils): Add declaration.
	* v850-tdep.c (_initialize_v850_tdep): Add declaration.
	* valops.c (_initialize_valops): Add declaration.
	* valprint.c (_initialize_valprint): Add declaration.
	* value.c (_initialize_values): Add declaration.
	* varobj.c (_initialize_varobj): Add declaration.
	* vax-bsd-nat.c (_initialize_vaxbsd_nat): Add declaration.
	* vax-nbsd-tdep.c (_initialize_vaxnbsd_tdep): Add declaration.
	* vax-tdep.c (_initialize_vax_tdep): Add declaration.
	* windows-nat.c (_initialize_windows_nat): Add declaration.
	(_initialize_check_for_gdb_ini): Add declaration.
	(_initialize_loadable): Add declaration.
	* windows-tdep.c (_initialize_windows_tdep): Add declaration.
	* x86-bsd-nat.c (_initialize_x86_bsd_nat): Add declaration.
	* x86-linux-nat.c (_initialize_x86_linux_nat): Add declaration.
	* xcoffread.c (_initialize_xcoffread): Add declaration.
	* xml-support.c (_initialize_xml_support): Add declaration.
	* xstormy16-tdep.c (_initialize_xstormy16_tdep): Add declaration.
	* xtensa-linux-nat.c (_initialize_xtensa_linux_nat): Add declaration.
	* xtensa-linux-tdep.c (_initialize_xtensa_linux_tdep): Add declaration.
	* xtensa-tdep.c (_initialize_xtensa_tdep): Add declaration.

Change-Id: I13eec7e0ed2b3c427377a7bdb055cf46da64def9
2020-01-13 14:01:38 -05:00

726 lines
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/* Target-dependent code for the Matsushita MN10300 for GDB, the GNU debugger.
Copyright (C) 2003-2020 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 "defs.h"
#include "gdbcore.h"
#include "regcache.h"
#include "mn10300-tdep.h"
#include "bfd.h"
#include "elf-bfd.h"
#include "osabi.h"
#include "regset.h"
#include "solib-svr4.h"
#include "frame.h"
#include "trad-frame.h"
#include "tramp-frame.h"
#include "linux-tdep.h"
#include "gdbarch.h"
/* Transliterated from <asm-mn10300/elf.h>... */
#define MN10300_ELF_NGREG 28
#define MN10300_ELF_NFPREG 32
typedef gdb_byte mn10300_elf_greg_t[4];
typedef mn10300_elf_greg_t mn10300_elf_gregset_t[MN10300_ELF_NGREG];
typedef gdb_byte mn10300_elf_fpreg_t[4];
typedef struct
{
mn10300_elf_fpreg_t fpregs[MN10300_ELF_NFPREG];
gdb_byte fpcr[4];
} mn10300_elf_fpregset_t;
/* elf_gregset_t register indices stolen from include/asm-mn10300/ptrace.h. */
#define MN10300_ELF_GREGSET_T_REG_INDEX_A3 0
#define MN10300_ELF_GREGSET_T_REG_INDEX_A2 1
#define MN10300_ELF_GREGSET_T_REG_INDEX_D3 2
#define MN10300_ELF_GREGSET_T_REG_INDEX_D2 3
#define MN10300_ELF_GREGSET_T_REG_INDEX_MCVF 4
#define MN10300_ELF_GREGSET_T_REG_INDEX_MCRL 5
#define MN10300_ELF_GREGSET_T_REG_INDEX_MCRH 6
#define MN10300_ELF_GREGSET_T_REG_INDEX_MDRQ 7
#define MN10300_ELF_GREGSET_T_REG_INDEX_E1 8
#define MN10300_ELF_GREGSET_T_REG_INDEX_E0 9
#define MN10300_ELF_GREGSET_T_REG_INDEX_E7 10
#define MN10300_ELF_GREGSET_T_REG_INDEX_E6 11
#define MN10300_ELF_GREGSET_T_REG_INDEX_E5 12
#define MN10300_ELF_GREGSET_T_REG_INDEX_E4 13
#define MN10300_ELF_GREGSET_T_REG_INDEX_E3 14
#define MN10300_ELF_GREGSET_T_REG_INDEX_E2 15
#define MN10300_ELF_GREGSET_T_REG_INDEX_SP 16
#define MN10300_ELF_GREGSET_T_REG_INDEX_LAR 17
#define MN10300_ELF_GREGSET_T_REG_INDEX_LIR 18
#define MN10300_ELF_GREGSET_T_REG_INDEX_MDR 19
#define MN10300_ELF_GREGSET_T_REG_INDEX_A1 20
#define MN10300_ELF_GREGSET_T_REG_INDEX_A0 21
#define MN10300_ELF_GREGSET_T_REG_INDEX_D1 22
#define MN10300_ELF_GREGSET_T_REG_INDEX_D0 23
#define MN10300_ELF_GREGSET_T_REG_INDEX_ORIG_D0 24
#define MN10300_ELF_GREGSET_T_REG_INDEX_EPSW 25
#define MN10300_ELF_GREGSET_T_REG_INDEX_PC 26
/* New gdbarch API for corefile registers.
Given a section name and size, create a struct reg object
with a supply_register and a collect_register method. */
/* Copy register value of REGNUM from regset to regcache.
If REGNUM is -1, do this for all gp registers in regset. */
static void
am33_supply_gregset_method (const struct regset *regset,
struct regcache *regcache,
int regnum, const void *gregs, size_t len)
{
const mn10300_elf_greg_t *regp = (const mn10300_elf_greg_t *) gregs;
int i;
gdb_assert (len >= sizeof (mn10300_elf_gregset_t));
switch (regnum) {
case E_D0_REGNUM:
regcache->raw_supply (E_D0_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_D0));
break;
case E_D1_REGNUM:
regcache->raw_supply (E_D1_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_D1));
break;
case E_D2_REGNUM:
regcache->raw_supply (E_D2_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_D2));
break;
case E_D3_REGNUM:
regcache->raw_supply (E_D3_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_D3));
break;
case E_A0_REGNUM:
regcache->raw_supply (E_A0_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_A0));
break;
case E_A1_REGNUM:
regcache->raw_supply (E_A1_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_A1));
break;
case E_A2_REGNUM:
regcache->raw_supply (E_A2_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_A2));
break;
case E_A3_REGNUM:
regcache->raw_supply (E_A3_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_A3));
break;
case E_SP_REGNUM:
regcache->raw_supply (E_SP_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_SP));
break;
case E_PC_REGNUM:
regcache->raw_supply (E_PC_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_PC));
break;
case E_MDR_REGNUM:
regcache->raw_supply (E_MDR_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDR));
break;
case E_PSW_REGNUM:
regcache->raw_supply (E_PSW_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_EPSW));
break;
case E_LIR_REGNUM:
regcache->raw_supply (E_LIR_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_LIR));
break;
case E_LAR_REGNUM:
regcache->raw_supply (E_LAR_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_LAR));
break;
case E_MDRQ_REGNUM:
regcache->raw_supply (E_MDRQ_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDRQ));
break;
case E_E0_REGNUM:
regcache->raw_supply (E_E0_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_E0));
break;
case E_E1_REGNUM:
regcache->raw_supply (E_E1_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_E1));
break;
case E_E2_REGNUM:
regcache->raw_supply (E_E2_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_E2));
break;
case E_E3_REGNUM:
regcache->raw_supply (E_E3_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_E3));
break;
case E_E4_REGNUM:
regcache->raw_supply (E_E4_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_E4));
break;
case E_E5_REGNUM:
regcache->raw_supply (E_E5_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_E5));
break;
case E_E6_REGNUM:
regcache->raw_supply (E_E6_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_E6));
break;
case E_E7_REGNUM:
regcache->raw_supply (E_E7_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_E7));
break;
/* ssp, msp, and usp are inaccessible. */
case E_E8_REGNUM:
regcache->raw_supply_zeroed (E_E8_REGNUM);
break;
case E_E9_REGNUM:
regcache->raw_supply_zeroed (E_E9_REGNUM);
break;
case E_E10_REGNUM:
regcache->raw_supply_zeroed (E_E10_REGNUM);
break;
case E_MCRH_REGNUM:
regcache->raw_supply (E_MCRH_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRH));
break;
case E_MCRL_REGNUM:
regcache->raw_supply (E_MCRL_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRL));
break;
case E_MCVF_REGNUM:
regcache->raw_supply (E_MCVF_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCVF));
break;
case E_FPCR_REGNUM:
/* FPCR is numbered among the GP regs, but handled as an FP reg.
Do nothing. */
break;
case E_FPCR_REGNUM + 1:
/* The two unused registers beyond fpcr are inaccessible. */
regcache->raw_supply_zeroed (E_FPCR_REGNUM + 1);
break;
case E_FPCR_REGNUM + 2:
regcache->raw_supply_zeroed (E_FPCR_REGNUM + 2);
break;
default: /* An error, obviously, but should we error out? */
break;
case -1:
for (i = 0; i < MN10300_ELF_NGREG; i++)
am33_supply_gregset_method (regset, regcache, i, gregs, len);
break;
}
return;
}
/* Copy fp register value of REGNUM from regset to regcache.
If REGNUM is -1, do this for all fp registers in regset. */
static void
am33_supply_fpregset_method (const struct regset *regset,
struct regcache *regcache,
int regnum, const void *fpregs, size_t len)
{
const mn10300_elf_fpregset_t *fpregset
= (const mn10300_elf_fpregset_t *) fpregs;
gdb_assert (len >= sizeof (mn10300_elf_fpregset_t));
if (regnum == -1)
{
int i;
for (i = 0; i < MN10300_ELF_NFPREG; i++)
am33_supply_fpregset_method (regset, regcache,
E_FS0_REGNUM + i, fpregs, len);
am33_supply_fpregset_method (regset, regcache,
E_FPCR_REGNUM, fpregs, len);
}
else if (regnum == E_FPCR_REGNUM)
regcache->raw_supply (E_FPCR_REGNUM, &fpregset->fpcr);
else if (E_FS0_REGNUM <= regnum
&& regnum < E_FS0_REGNUM + MN10300_ELF_NFPREG)
regcache->raw_supply (regnum, &fpregset->fpregs[regnum - E_FS0_REGNUM]);
return;
}
/* Copy register values from regcache to regset. */
static void
am33_collect_gregset_method (const struct regset *regset,
const struct regcache *regcache,
int regnum, void *gregs, size_t len)
{
mn10300_elf_gregset_t *regp = (gdb_byte (*)[28][4]) gregs;
int i;
gdb_assert (len >= sizeof (mn10300_elf_gregset_t));
switch (regnum) {
case E_D0_REGNUM:
regcache->raw_collect (E_D0_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_D0));
break;
case E_D1_REGNUM:
regcache->raw_collect (E_D1_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_D1));
break;
case E_D2_REGNUM:
regcache->raw_collect (E_D2_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_D2));
break;
case E_D3_REGNUM:
regcache->raw_collect (E_D3_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_D3));
break;
case E_A0_REGNUM:
regcache->raw_collect (E_A0_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_A0));
break;
case E_A1_REGNUM:
regcache->raw_collect (E_A1_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_A1));
break;
case E_A2_REGNUM:
regcache->raw_collect (E_A2_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_A2));
break;
case E_A3_REGNUM:
regcache->raw_collect (E_A3_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_A3));
break;
case E_SP_REGNUM:
regcache->raw_collect (E_SP_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_SP));
break;
case E_PC_REGNUM:
regcache->raw_collect (E_PC_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_PC));
break;
case E_MDR_REGNUM:
regcache->raw_collect (E_MDR_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDR));
break;
case E_PSW_REGNUM:
regcache->raw_collect (E_PSW_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_EPSW));
break;
case E_LIR_REGNUM:
regcache->raw_collect (E_LIR_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_LIR));
break;
case E_LAR_REGNUM:
regcache->raw_collect (E_LAR_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_LAR));
break;
case E_MDRQ_REGNUM:
regcache->raw_collect (E_MDRQ_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_MDRQ));
break;
case E_E0_REGNUM:
regcache->raw_collect (E_E0_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_E0));
break;
case E_E1_REGNUM:
regcache->raw_collect (E_E1_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_E1));
break;
case E_E2_REGNUM:
regcache->raw_collect (E_E2_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_E2));
break;
case E_E3_REGNUM:
regcache->raw_collect (E_E3_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_E3));
break;
case E_E4_REGNUM:
regcache->raw_collect (E_E4_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_E4));
break;
case E_E5_REGNUM:
regcache->raw_collect (E_E5_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_E5));
break;
case E_E6_REGNUM:
regcache->raw_collect (E_E6_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_E6));
break;
case E_E7_REGNUM:
regcache->raw_collect (E_E7_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_E7));
break;
/* ssp, msp, and usp are inaccessible. */
case E_E8_REGNUM:
/* The gregset struct has noplace to put this: do nothing. */
break;
case E_E9_REGNUM:
/* The gregset struct has noplace to put this: do nothing. */
break;
case E_E10_REGNUM:
/* The gregset struct has noplace to put this: do nothing. */
break;
case E_MCRH_REGNUM:
regcache->raw_collect (E_MCRH_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRH));
break;
case E_MCRL_REGNUM:
regcache->raw_collect (E_MCRL_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCRL));
break;
case E_MCVF_REGNUM:
regcache->raw_collect (E_MCVF_REGNUM,
(regp + MN10300_ELF_GREGSET_T_REG_INDEX_MCVF));
break;
case E_FPCR_REGNUM:
/* FPCR is numbered among the GP regs, but handled as an FP reg.
Do nothing. */
break;
case E_FPCR_REGNUM + 1:
/* The gregset struct has noplace to put this: do nothing. */
break;
case E_FPCR_REGNUM + 2:
/* The gregset struct has noplace to put this: do nothing. */
break;
default: /* An error, obviously, but should we error out? */
break;
case -1:
for (i = 0; i < MN10300_ELF_NGREG; i++)
am33_collect_gregset_method (regset, regcache, i, gregs, len);
break;
}
return;
}
/* Copy fp register values from regcache to regset. */
static void
am33_collect_fpregset_method (const struct regset *regset,
const struct regcache *regcache,
int regnum, void *fpregs, size_t len)
{
mn10300_elf_fpregset_t *fpregset = (mn10300_elf_fpregset_t *) fpregs;
gdb_assert (len >= sizeof (mn10300_elf_fpregset_t));
if (regnum == -1)
{
int i;
for (i = 0; i < MN10300_ELF_NFPREG; i++)
am33_collect_fpregset_method (regset, regcache, E_FS0_REGNUM + i,
fpregs, len);
am33_collect_fpregset_method (regset, regcache,
E_FPCR_REGNUM, fpregs, len);
}
else if (regnum == E_FPCR_REGNUM)
regcache->raw_collect (E_FPCR_REGNUM, &fpregset->fpcr);
else if (E_FS0_REGNUM <= regnum
&& regnum < E_FS0_REGNUM + MN10300_ELF_NFPREG)
regcache->raw_collect (regnum, &fpregset->fpregs[regnum - E_FS0_REGNUM]);
return;
}
static const struct regset am33_gregset =
{
NULL, am33_supply_gregset_method, am33_collect_gregset_method
};
static const struct regset am33_fpregset =
{
NULL, am33_supply_fpregset_method, am33_collect_fpregset_method
};
/* Iterate over core file register note sections. */
static void
am33_iterate_over_regset_sections (struct gdbarch *gdbarch,
iterate_over_regset_sections_cb *cb,
void *cb_data,
const struct regcache *regcache)
{
cb (".reg", sizeof (mn10300_elf_gregset_t), sizeof (mn10300_elf_gregset_t),
&am33_gregset, NULL, cb_data);
cb (".reg2", sizeof (mn10300_elf_fpregset_t), sizeof (mn10300_elf_fpregset_t),
&am33_fpregset, NULL, cb_data);
}
static void
am33_linux_sigframe_cache_init (const struct tramp_frame *self,
struct frame_info *this_frame,
struct trad_frame_cache *this_cache,
CORE_ADDR func);
static const struct tramp_frame am33_linux_sigframe = {
SIGTRAMP_FRAME,
1,
{
/* mov 119,d0 */
{ 0x2c, ULONGEST_MAX },
{ 0x77, ULONGEST_MAX },
{ 0x00, ULONGEST_MAX },
/* syscall 0 */
{ 0xf0, ULONGEST_MAX },
{ 0xe0, ULONGEST_MAX },
{ TRAMP_SENTINEL_INSN, ULONGEST_MAX }
},
am33_linux_sigframe_cache_init
};
static const struct tramp_frame am33_linux_rt_sigframe = {
SIGTRAMP_FRAME,
1,
{
/* mov 173,d0 */
{ 0x2c, ULONGEST_MAX },
{ 0xad, ULONGEST_MAX },
{ 0x00, ULONGEST_MAX },
/* syscall 0 */
{ 0xf0, ULONGEST_MAX },
{ 0xe0, ULONGEST_MAX },
{ TRAMP_SENTINEL_INSN, ULONGEST_MAX }
},
am33_linux_sigframe_cache_init
};
/* Relevant struct definitions for signal handling...
From arch/mn10300/kernel/sigframe.h:
struct sigframe
{
void (*pretcode)(void);
int sig;
struct sigcontext *psc;
struct sigcontext sc;
struct fpucontext fpuctx;
unsigned long extramask[_NSIG_WORDS-1];
char retcode[8];
};
struct rt_sigframe
{
void (*pretcode)(void);
int sig;
struct siginfo *pinfo;
void *puc;
struct siginfo info;
struct ucontext uc;
struct fpucontext fpuctx;
char retcode[8];
};
From include/asm-mn10300/ucontext.h:
struct ucontext {
unsigned long uc_flags;
struct ucontext *uc_link;
stack_t uc_stack;
struct sigcontext uc_mcontext;
sigset_t uc_sigmask;
};
From include/asm-mn10300/sigcontext.h:
struct fpucontext {
unsigned long fs[32];
unsigned long fpcr;
};
struct sigcontext {
unsigned long d0;
unsigned long d1;
unsigned long d2;
unsigned long d3;
unsigned long a0;
unsigned long a1;
unsigned long a2;
unsigned long a3;
unsigned long e0;
unsigned long e1;
unsigned long e2;
unsigned long e3;
unsigned long e4;
unsigned long e5;
unsigned long e6;
unsigned long e7;
unsigned long lar;
unsigned long lir;
unsigned long mdr;
unsigned long mcvf;
unsigned long mcrl;
unsigned long mcrh;
unsigned long mdrq;
unsigned long sp;
unsigned long epsw;
unsigned long pc;
struct fpucontext *fpucontext;
unsigned long oldmask;
}; */
#define AM33_SIGCONTEXT_D0 0
#define AM33_SIGCONTEXT_D1 4
#define AM33_SIGCONTEXT_D2 8
#define AM33_SIGCONTEXT_D3 12
#define AM33_SIGCONTEXT_A0 16
#define AM33_SIGCONTEXT_A1 20
#define AM33_SIGCONTEXT_A2 24
#define AM33_SIGCONTEXT_A3 28
#define AM33_SIGCONTEXT_E0 32
#define AM33_SIGCONTEXT_E1 36
#define AM33_SIGCONTEXT_E2 40
#define AM33_SIGCONTEXT_E3 44
#define AM33_SIGCONTEXT_E4 48
#define AM33_SIGCONTEXT_E5 52
#define AM33_SIGCONTEXT_E6 56
#define AM33_SIGCONTEXT_E7 60
#define AM33_SIGCONTEXT_LAR 64
#define AM33_SIGCONTEXT_LIR 68
#define AM33_SIGCONTEXT_MDR 72
#define AM33_SIGCONTEXT_MCVF 76
#define AM33_SIGCONTEXT_MCRL 80
#define AM33_SIGCONTEXT_MCRH 84
#define AM33_SIGCONTEXT_MDRQ 88
#define AM33_SIGCONTEXT_SP 92
#define AM33_SIGCONTEXT_EPSW 96
#define AM33_SIGCONTEXT_PC 100
#define AM33_SIGCONTEXT_FPUCONTEXT 104
static void
am33_linux_sigframe_cache_init (const struct tramp_frame *self,
struct frame_info *this_frame,
struct trad_frame_cache *this_cache,
CORE_ADDR func)
{
CORE_ADDR sc_base, fpubase;
int i;
sc_base = get_frame_register_unsigned (this_frame, E_SP_REGNUM);
if (self == &am33_linux_sigframe)
{
sc_base += 8;
sc_base = get_frame_memory_unsigned (this_frame, sc_base, 4);
}
else
{
sc_base += 12;
sc_base = get_frame_memory_unsigned (this_frame, sc_base, 4);
sc_base += 20;
}
trad_frame_set_reg_addr (this_cache, E_D0_REGNUM,
sc_base + AM33_SIGCONTEXT_D0);
trad_frame_set_reg_addr (this_cache, E_D1_REGNUM,
sc_base + AM33_SIGCONTEXT_D1);
trad_frame_set_reg_addr (this_cache, E_D2_REGNUM,
sc_base + AM33_SIGCONTEXT_D2);
trad_frame_set_reg_addr (this_cache, E_D3_REGNUM,
sc_base + AM33_SIGCONTEXT_D3);
trad_frame_set_reg_addr (this_cache, E_A0_REGNUM,
sc_base + AM33_SIGCONTEXT_A0);
trad_frame_set_reg_addr (this_cache, E_A1_REGNUM,
sc_base + AM33_SIGCONTEXT_A1);
trad_frame_set_reg_addr (this_cache, E_A2_REGNUM,
sc_base + AM33_SIGCONTEXT_A2);
trad_frame_set_reg_addr (this_cache, E_A3_REGNUM,
sc_base + AM33_SIGCONTEXT_A3);
trad_frame_set_reg_addr (this_cache, E_E0_REGNUM,
sc_base + AM33_SIGCONTEXT_E0);
trad_frame_set_reg_addr (this_cache, E_E1_REGNUM,
sc_base + AM33_SIGCONTEXT_E1);
trad_frame_set_reg_addr (this_cache, E_E2_REGNUM,
sc_base + AM33_SIGCONTEXT_E2);
trad_frame_set_reg_addr (this_cache, E_E3_REGNUM,
sc_base + AM33_SIGCONTEXT_E3);
trad_frame_set_reg_addr (this_cache, E_E4_REGNUM,
sc_base + AM33_SIGCONTEXT_E4);
trad_frame_set_reg_addr (this_cache, E_E5_REGNUM,
sc_base + AM33_SIGCONTEXT_E5);
trad_frame_set_reg_addr (this_cache, E_E6_REGNUM,
sc_base + AM33_SIGCONTEXT_E6);
trad_frame_set_reg_addr (this_cache, E_E7_REGNUM,
sc_base + AM33_SIGCONTEXT_E7);
trad_frame_set_reg_addr (this_cache, E_LAR_REGNUM,
sc_base + AM33_SIGCONTEXT_LAR);
trad_frame_set_reg_addr (this_cache, E_LIR_REGNUM,
sc_base + AM33_SIGCONTEXT_LIR);
trad_frame_set_reg_addr (this_cache, E_MDR_REGNUM,
sc_base + AM33_SIGCONTEXT_MDR);
trad_frame_set_reg_addr (this_cache, E_MCVF_REGNUM,
sc_base + AM33_SIGCONTEXT_MCVF);
trad_frame_set_reg_addr (this_cache, E_MCRL_REGNUM,
sc_base + AM33_SIGCONTEXT_MCRL);
trad_frame_set_reg_addr (this_cache, E_MDRQ_REGNUM,
sc_base + AM33_SIGCONTEXT_MDRQ);
trad_frame_set_reg_addr (this_cache, E_SP_REGNUM,
sc_base + AM33_SIGCONTEXT_SP);
trad_frame_set_reg_addr (this_cache, E_PSW_REGNUM,
sc_base + AM33_SIGCONTEXT_EPSW);
trad_frame_set_reg_addr (this_cache, E_PC_REGNUM,
sc_base + AM33_SIGCONTEXT_PC);
fpubase = get_frame_memory_unsigned (this_frame,
sc_base + AM33_SIGCONTEXT_FPUCONTEXT,
4);
if (fpubase)
{
for (i = 0; i < 32; i++)
{
trad_frame_set_reg_addr (this_cache, E_FS0_REGNUM + i,
fpubase + 4 * i);
}
trad_frame_set_reg_addr (this_cache, E_FPCR_REGNUM, fpubase + 4 * 32);
}
trad_frame_set_id (this_cache, frame_id_build (sc_base, func));
}
/* AM33 GNU/Linux osabi has been recognized.
Now's our chance to register our corefile handling. */
static void
am33_linux_init_osabi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
linux_init_abi (info, gdbarch);
set_gdbarch_iterate_over_regset_sections
(gdbarch, am33_iterate_over_regset_sections);
set_solib_svr4_fetch_link_map_offsets
(gdbarch, svr4_ilp32_fetch_link_map_offsets);
tramp_frame_prepend_unwinder (gdbarch, &am33_linux_sigframe);
tramp_frame_prepend_unwinder (gdbarch, &am33_linux_rt_sigframe);
}
void _initialize_mn10300_linux_tdep ();
void
_initialize_mn10300_linux_tdep ()
{
gdbarch_register_osabi (bfd_arch_mn10300, 0,
GDB_OSABI_LINUX, am33_linux_init_osabi);
}
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