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binutils-gdb/gdb/v850-tdep.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

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/* Target-dependent code for the NEC V850 for GDB, the GNU debugger.
Copyright (C) 1996-2017 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 "frame.h"
#include "frame-base.h"
#include "trad-frame.h"
#include "frame-unwind.h"
#include "dwarf2-frame.h"
#include "gdbtypes.h"
#include "inferior.h"
#include "gdbcore.h"
#include "arch-utils.h"
#include "regcache.h"
#include "dis-asm.h"
#include "osabi.h"
#include "elf-bfd.h"
#include "elf/v850.h"
enum
{
/* General purpose registers. */
E_R0_REGNUM,
E_R1_REGNUM,
E_R2_REGNUM,
E_R3_REGNUM, E_SP_REGNUM = E_R3_REGNUM,
E_R4_REGNUM,
E_R5_REGNUM,
E_R6_REGNUM, E_ARG0_REGNUM = E_R6_REGNUM,
E_R7_REGNUM,
E_R8_REGNUM,
E_R9_REGNUM, E_ARGLAST_REGNUM = E_R9_REGNUM,
E_R10_REGNUM, E_V0_REGNUM = E_R10_REGNUM,
E_R11_REGNUM, E_V1_REGNUM = E_R11_REGNUM,
E_R12_REGNUM,
E_R13_REGNUM,
E_R14_REGNUM,
E_R15_REGNUM,
E_R16_REGNUM,
E_R17_REGNUM,
E_R18_REGNUM,
E_R19_REGNUM,
E_R20_REGNUM,
E_R21_REGNUM,
E_R22_REGNUM,
E_R23_REGNUM,
E_R24_REGNUM,
E_R25_REGNUM,
E_R26_REGNUM,
E_R27_REGNUM,
E_R28_REGNUM,
E_R29_REGNUM, E_FP_REGNUM = E_R29_REGNUM,
E_R30_REGNUM, E_EP_REGNUM = E_R30_REGNUM,
E_R31_REGNUM, E_LP_REGNUM = E_R31_REGNUM,
/* System registers - main banks. */
E_R32_REGNUM, E_SR0_REGNUM = E_R32_REGNUM,
E_R33_REGNUM,
E_R34_REGNUM,
E_R35_REGNUM,
E_R36_REGNUM,
E_R37_REGNUM, E_PS_REGNUM = E_R37_REGNUM,
E_R38_REGNUM,
E_R39_REGNUM,
E_R40_REGNUM,
E_R41_REGNUM,
E_R42_REGNUM,
E_R43_REGNUM,
E_R44_REGNUM,
E_R45_REGNUM,
E_R46_REGNUM,
E_R47_REGNUM,
E_R48_REGNUM,
E_R49_REGNUM,
E_R50_REGNUM,
E_R51_REGNUM,
E_R52_REGNUM, E_CTBP_REGNUM = E_R52_REGNUM,
E_R53_REGNUM,
E_R54_REGNUM,
E_R55_REGNUM,
E_R56_REGNUM,
E_R57_REGNUM,
E_R58_REGNUM,
E_R59_REGNUM,
E_R60_REGNUM,
E_R61_REGNUM,
E_R62_REGNUM,
E_R63_REGNUM,
/* PC. */
E_R64_REGNUM, E_PC_REGNUM = E_R64_REGNUM,
E_R65_REGNUM,
E_NUM_OF_V850_REGS,
E_NUM_OF_V850E_REGS = E_NUM_OF_V850_REGS,
/* System registers - MPV (PROT00) bank. */
E_R66_REGNUM = E_NUM_OF_V850_REGS,
E_R67_REGNUM,
E_R68_REGNUM,
E_R69_REGNUM,
E_R70_REGNUM,
E_R71_REGNUM,
E_R72_REGNUM,
E_R73_REGNUM,
E_R74_REGNUM,
E_R75_REGNUM,
E_R76_REGNUM,
E_R77_REGNUM,
E_R78_REGNUM,
E_R79_REGNUM,
E_R80_REGNUM,
E_R81_REGNUM,
E_R82_REGNUM,
E_R83_REGNUM,
E_R84_REGNUM,
E_R85_REGNUM,
E_R86_REGNUM,
E_R87_REGNUM,
E_R88_REGNUM,
E_R89_REGNUM,
E_R90_REGNUM,
E_R91_REGNUM,
E_R92_REGNUM,
E_R93_REGNUM,
/* System registers - MPU (PROT01) bank. */
E_R94_REGNUM,
E_R95_REGNUM,
E_R96_REGNUM,
E_R97_REGNUM,
E_R98_REGNUM,
E_R99_REGNUM,
E_R100_REGNUM,
E_R101_REGNUM,
E_R102_REGNUM,
E_R103_REGNUM,
E_R104_REGNUM,
E_R105_REGNUM,
E_R106_REGNUM,
E_R107_REGNUM,
E_R108_REGNUM,
E_R109_REGNUM,
E_R110_REGNUM,
E_R111_REGNUM,
E_R112_REGNUM,
E_R113_REGNUM,
E_R114_REGNUM,
E_R115_REGNUM,
E_R116_REGNUM,
E_R117_REGNUM,
E_R118_REGNUM,
E_R119_REGNUM,
E_R120_REGNUM,
E_R121_REGNUM,
/* FPU system registers. */
E_R122_REGNUM,
E_R123_REGNUM,
E_R124_REGNUM,
E_R125_REGNUM,
E_R126_REGNUM,
E_R127_REGNUM,
E_R128_REGNUM, E_FPSR_REGNUM = E_R128_REGNUM,
E_R129_REGNUM, E_FPEPC_REGNUM = E_R129_REGNUM,
E_R130_REGNUM, E_FPST_REGNUM = E_R130_REGNUM,
E_R131_REGNUM, E_FPCC_REGNUM = E_R131_REGNUM,
E_R132_REGNUM, E_FPCFG_REGNUM = E_R132_REGNUM,
E_R133_REGNUM,
E_R134_REGNUM,
E_R135_REGNUM,
E_R136_REGNUM,
E_R137_REGNUM,
E_R138_REGNUM,
E_R139_REGNUM,
E_R140_REGNUM,
E_R141_REGNUM,
E_R142_REGNUM,
E_R143_REGNUM,
E_R144_REGNUM,
E_R145_REGNUM,
E_R146_REGNUM,
E_R147_REGNUM,
E_R148_REGNUM,
E_R149_REGNUM,
E_NUM_OF_V850E2_REGS,
/* v850e3v5 system registers, selID 1 thru 7. */
E_SELID_1_R0_REGNUM = E_NUM_OF_V850E2_REGS,
E_SELID_1_R31_REGNUM = E_SELID_1_R0_REGNUM + 31,
E_SELID_2_R0_REGNUM,
E_SELID_2_R31_REGNUM = E_SELID_2_R0_REGNUM + 31,
E_SELID_3_R0_REGNUM,
E_SELID_3_R31_REGNUM = E_SELID_3_R0_REGNUM + 31,
E_SELID_4_R0_REGNUM,
E_SELID_4_R31_REGNUM = E_SELID_4_R0_REGNUM + 31,
E_SELID_5_R0_REGNUM,
E_SELID_5_R31_REGNUM = E_SELID_5_R0_REGNUM + 31,
E_SELID_6_R0_REGNUM,
E_SELID_6_R31_REGNUM = E_SELID_6_R0_REGNUM + 31,
E_SELID_7_R0_REGNUM,
E_SELID_7_R31_REGNUM = E_SELID_7_R0_REGNUM + 31,
/* v850e3v5 vector registers. */
E_VR0_REGNUM,
E_VR31_REGNUM = E_VR0_REGNUM + 31,
E_NUM_OF_V850E3V5_REGS,
/* Total number of possible registers. */
E_NUM_REGS = E_NUM_OF_V850E3V5_REGS
};
enum
{
v850_reg_size = 4
};
/* Size of return datatype which fits into all return registers. */
enum
{
E_MAX_RETTYPE_SIZE_IN_REGS = 2 * v850_reg_size
};
/* When v850 support was added to GCC in the late nineties, the intention
was to follow the Green Hills ABI for v850. In fact, the authors of
that support at the time thought that they were doing so. As far as
I can tell, the calling conventions are correct, but the return value
conventions were not quite right. Over time, the return value code
in this file was modified to mostly reflect what GCC was actually
doing instead of to actually follow the Green Hills ABI as it did
when the code was first written.
Renesas defined the RH850 ABI which they use in their compiler. It
is similar to the original Green Hills ABI with some minor
differences. */
enum v850_abi
{
V850_ABI_GCC,
V850_ABI_RH850
};
/* Architecture specific data. */
struct gdbarch_tdep
{
/* Fields from the ELF header. */
int e_flags;
int e_machine;
/* Which ABI are we using? */
enum v850_abi abi;
int eight_byte_align;
};
struct v850_frame_cache
{
/* Base address. */
CORE_ADDR base;
LONGEST sp_offset;
CORE_ADDR pc;
/* Flag showing that a frame has been created in the prologue code. */
int uses_fp;
/* Saved registers. */
struct trad_frame_saved_reg *saved_regs;
};
/* Info gleaned from scanning a function's prologue. */
struct pifsr /* Info about one saved register. */
{
int offset; /* Offset from sp or fp. */
int cur_frameoffset; /* Current frameoffset. */
int reg; /* Saved register number. */
};
static const char *
v850_register_name (struct gdbarch *gdbarch, int regnum)
{
static const char *v850_reg_names[] =
{ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
"eipc", "eipsw", "fepc", "fepsw", "ecr", "psw", "sr6", "sr7",
"sr8", "sr9", "sr10", "sr11", "sr12", "sr13", "sr14", "sr15",
"sr16", "sr17", "sr18", "sr19", "sr20", "sr21", "sr22", "sr23",
"sr24", "sr25", "sr26", "sr27", "sr28", "sr29", "sr30", "sr31",
"pc", "fp"
};
if (regnum < 0 || regnum > E_NUM_OF_V850_REGS)
return NULL;
return v850_reg_names[regnum];
}
static const char *
v850e_register_name (struct gdbarch *gdbarch, int regnum)
{
static const char *v850e_reg_names[] =
{
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
"eipc", "eipsw", "fepc", "fepsw", "ecr", "psw", "sr6", "sr7",
"sr8", "sr9", "sr10", "sr11", "sr12", "sr13", "sr14", "sr15",
"ctpc", "ctpsw", "dbpc", "dbpsw", "ctbp", "sr21", "sr22", "sr23",
"sr24", "sr25", "sr26", "sr27", "sr28", "sr29", "sr30", "sr31",
"pc", "fp"
};
if (regnum < 0 || regnum > E_NUM_OF_V850E_REGS)
return NULL;
return v850e_reg_names[regnum];
}
static const char *
v850e2_register_name (struct gdbarch *gdbarch, int regnum)
{
static const char *v850e2_reg_names[] =
{
/* General purpose registers. */
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
/* System registers - main banks. */
"eipc", "eipsw", "fepc", "fepsw", "ecr", "psw", "pid", "cfg",
"", "", "", "sccfg", "scbp", "eiic", "feic", "dbic",
"ctpc", "ctpsw", "dbpc", "dbpsw", "ctbp", "dir", "", "",
"", "", "", "", "eiwr", "fewr", "dbwr", "bsel",
/* PC. */
"pc", "",
/* System registers - MPV (PROT00) bank. */
"vsecr", "vstid", "vsadr", "", "vmecr", "vmtid", "vmadr", "",
"vpecr", "vptid", "vpadr", "", "", "", "", "",
"", "", "", "", "", "", "", "",
"mca", "mcs", "mcc", "mcr",
/* System registers - MPU (PROT01) bank. */
"mpm", "mpc", "tid", "", "", "", "ipa0l", "ipa0u",
"ipa1l", "ipa1u", "ipa2l", "ipa2u", "ipa3l", "ipa3u", "ipa4l", "ipa4u",
"dpa0l", "dpa0u", "dpa1l", "dpa1u", "dpa2l", "dpa2u", "dpa3l", "dpa3u",
"dpa4l", "dpa4u", "dpa5l", "dpa5u",
/* FPU system registers. */
"", "", "", "", "", "", "fpsr", "fpepc",
"fpst", "fpcc", "fpcfg", "fpec", "", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "fpspc"
};
if (regnum < 0 || regnum >= E_NUM_OF_V850E2_REGS)
return NULL;
return v850e2_reg_names[regnum];
}
/* Implement the "register_name" gdbarch method for v850e3v5. */
static const char *
v850e3v5_register_name (struct gdbarch *gdbarch, int regnum)
{
static const char *v850e3v5_reg_names[] =
{
/* General purpose registers. */
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
/* selID 0, not including FPU registers. The FPU registers are
listed later on. */
"eipc", "eipsw", "fepc", "fepsw",
"", "psw", "" /* fpsr */, "" /* fpepc */,
"" /* fpst */, "" /* fpcc */, "" /* fpcfg */, "" /* fpec */,
"sesr", "eiic", "feic", "",
"ctpc", "ctpsw", "", "", "ctbp", "", "", "",
"", "", "", "", "eiwr", "fewr", "", "bsel",
/* PC. */
"pc", "",
/* v850e2 MPV bank. */
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "",
/* Skip v850e2 MPU bank. It's tempting to reuse these, but we need
32 entries for this bank. */
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "",
/* FPU system registers. These are actually in selID 0, but
are placed here to preserve register numbering compatibility
with previous architectures. */
"", "", "", "", "", "", "fpsr", "fpepc",
"fpst", "fpcc", "fpcfg", "fpec", "", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "",
/* selID 1. */
"mcfg0", "mcfg1", "rbase", "ebase", "intbp", "mctl", "pid", "fpipr",
"", "", "tcsel", "sccfg", "scbp", "hvccfg", "hvcbp", "vsel",
"vmprt0", "vmprt1", "vmprt2", "", "", "", "", "vmscctl",
"vmsctbl0", "vmsctbl1", "vmsctbl2", "vmsctbl3", "", "", "", "",
/* selID 2. */
"htcfg0", "", "", "", "", "htctl", "mea", "asid",
"mei", "ispr", "pmr", "icsr", "intcfg", "", "", "",
"tlbsch", "", "", "", "", "", "", "htscctl",
"htsctbl0", "htsctbl1", "htsctbl2", "htsctbl3",
"htsctbl4", "htsctbl5", "htsctbl6", "htsctbl7",
/* selID 3. */
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
"", "", "", "", "", "", "", "",
/* selID 4. */
"tlbidx", "", "", "", "telo0", "telo1", "tehi0", "tehi1",
"", "", "tlbcfg", "", "bwerrl", "bwerrh", "brerrl", "brerrh",
"ictagl", "ictagh", "icdatl", "icdath",
"dctagl", "dctagh", "dcdatl", "dcdath",
"icctrl", "dcctrl", "iccfg", "dccfg", "icerr", "dcerr", "", "",
/* selID 5. */
"mpm", "mprc", "", "", "mpbrgn", "mptrgn", "", "",
"mca", "mcs", "mcc", "mcr", "", "", "", "",
"", "", "", "", "mpprt0", "mpprt1", "mpprt2", "",
"", "", "", "", "", "", "", "",
/* selID 6. */
"mpla0", "mpua0", "mpat0", "", "mpla1", "mpua1", "mpat1", "",
"mpla2", "mpua2", "mpat2", "", "mpla3", "mpua3", "mpat3", "",
"mpla4", "mpua4", "mpat4", "", "mpla5", "mpua5", "mpat5", "",
"mpla6", "mpua6", "mpat6", "", "mpla7", "mpua7", "mpat7", "",
/* selID 7. */
"mpla8", "mpua8", "mpat8", "", "mpla9", "mpua9", "mpat9", "",
"mpla10", "mpua10", "mpat10", "", "mpla11", "mpua11", "mpat11", "",
"mpla12", "mpua12", "mpat12", "", "mpla13", "mpua13", "mpat13", "",
"mpla14", "mpua14", "mpat14", "", "mpla15", "mpua15", "mpat15", "",
/* Vector Registers */
"vr0", "vr1", "vr2", "vr3", "vr4", "vr5", "vr6", "vr7",
"vr8", "vr9", "vr10", "vr11", "vr12", "vr13", "vr14", "vr15",
"vr16", "vr17", "vr18", "vr19", "vr20", "vr21", "vr22", "vr23",
"vr24", "vr25", "vr26", "vr27", "vr28", "vr29", "vr30", "vr31",
};
if (regnum < 0 || regnum >= E_NUM_OF_V850E3V5_REGS)
return NULL;
return v850e3v5_reg_names[regnum];
}
/* Returns the default type for register N. */
static struct type *
v850_register_type (struct gdbarch *gdbarch, int regnum)
{
if (regnum == E_PC_REGNUM)
return builtin_type (gdbarch)->builtin_func_ptr;
else if (E_VR0_REGNUM <= regnum && regnum <= E_VR31_REGNUM)
return builtin_type (gdbarch)->builtin_uint64;
return builtin_type (gdbarch)->builtin_int32;
}
static int
v850_type_is_scalar (struct type *t)
{
return (TYPE_CODE (t) != TYPE_CODE_STRUCT
&& TYPE_CODE (t) != TYPE_CODE_UNION
&& TYPE_CODE (t) != TYPE_CODE_ARRAY);
}
/* Should call_function allocate stack space for a struct return? */
static int
v850_use_struct_convention (struct gdbarch *gdbarch, struct type *type)
{
int i;
struct type *fld_type, *tgt_type;
if (gdbarch_tdep (gdbarch)->abi == V850_ABI_RH850)
{
if (v850_type_is_scalar (type) && TYPE_LENGTH(type) <= 8)
return 0;
/* Structs are never returned in registers for this ABI. */
return 1;
}
/* 1. The value is greater than 8 bytes -> returned by copying. */
if (TYPE_LENGTH (type) > 8)
return 1;
/* 2. The value is a single basic type -> returned in register. */
if (v850_type_is_scalar (type))
return 0;
/* The value is a structure or union with a single element and that
element is either a single basic type or an array of a single basic
type whose size is greater than or equal to 4 -> returned in register. */
if ((TYPE_CODE (type) == TYPE_CODE_STRUCT
|| TYPE_CODE (type) == TYPE_CODE_UNION)
&& TYPE_NFIELDS (type) == 1)
{
fld_type = TYPE_FIELD_TYPE (type, 0);
if (v850_type_is_scalar (fld_type) && TYPE_LENGTH (fld_type) >= 4)
return 0;
if (TYPE_CODE (fld_type) == TYPE_CODE_ARRAY)
{
tgt_type = TYPE_TARGET_TYPE (fld_type);
if (v850_type_is_scalar (tgt_type) && TYPE_LENGTH (tgt_type) >= 4)
return 0;
}
}
/* The value is a structure whose first element is an integer or a float,
and which contains no arrays of more than two elements -> returned in
register. */
if (TYPE_CODE (type) == TYPE_CODE_STRUCT
&& v850_type_is_scalar (TYPE_FIELD_TYPE (type, 0))
&& TYPE_LENGTH (TYPE_FIELD_TYPE (type, 0)) == 4)
{
for (i = 1; i < TYPE_NFIELDS (type); ++i)
{
fld_type = TYPE_FIELD_TYPE (type, 0);
if (TYPE_CODE (fld_type) == TYPE_CODE_ARRAY)
{
tgt_type = TYPE_TARGET_TYPE (fld_type);
if (TYPE_LENGTH (tgt_type) > 0
&& TYPE_LENGTH (fld_type) / TYPE_LENGTH (tgt_type) > 2)
return 1;
}
}
return 0;
}
/* The value is a union which contains at least one field which
would be returned in registers according to these rules ->
returned in register. */
if (TYPE_CODE (type) == TYPE_CODE_UNION)
{
for (i = 0; i < TYPE_NFIELDS (type); ++i)
{
fld_type = TYPE_FIELD_TYPE (type, 0);
if (!v850_use_struct_convention (gdbarch, fld_type))
return 0;
}
}
return 1;
}
/* Structure for mapping bits in register lists to register numbers. */
struct reg_list
{
long mask;
int regno;
};
/* Helper function for v850_scan_prologue to handle prepare instruction. */
static void
v850_handle_prepare (int insn, int insn2, CORE_ADDR * current_pc_ptr,
struct v850_frame_cache *pi, struct pifsr **pifsr_ptr)
{
CORE_ADDR current_pc = *current_pc_ptr;
struct pifsr *pifsr = *pifsr_ptr;
long next = insn2 & 0xffff;
long list12 = ((insn & 1) << 16) + (next & 0xffe0);
long offset = (insn & 0x3e) << 1;
static struct reg_list reg_table[] =
{
{0x00800, 20}, /* r20 */
{0x00400, 21}, /* r21 */
{0x00200, 22}, /* r22 */
{0x00100, 23}, /* r23 */
{0x08000, 24}, /* r24 */
{0x04000, 25}, /* r25 */
{0x02000, 26}, /* r26 */
{0x01000, 27}, /* r27 */
{0x00080, 28}, /* r28 */
{0x00040, 29}, /* r29 */
{0x10000, 30}, /* ep */
{0x00020, 31}, /* lp */
{0, 0} /* end of table */
};
int i;
if ((next & 0x1f) == 0x0b) /* skip imm16 argument */
current_pc += 2;
else if ((next & 0x1f) == 0x13) /* skip imm16 argument */
current_pc += 2;
else if ((next & 0x1f) == 0x1b) /* skip imm32 argument */
current_pc += 4;
/* Calculate the total size of the saved registers, and add it to the
immediate value used to adjust SP. */
for (i = 0; reg_table[i].mask != 0; i++)
if (list12 & reg_table[i].mask)
offset += v850_reg_size;
pi->sp_offset -= offset;
/* Calculate the offsets of the registers relative to the value the SP
will have after the registers have been pushed and the imm5 value has
been subtracted from it. */
if (pifsr)
{
for (i = 0; reg_table[i].mask != 0; i++)
{
if (list12 & reg_table[i].mask)
{
int reg = reg_table[i].regno;
offset -= v850_reg_size;
pifsr->reg = reg;
pifsr->offset = offset;
pifsr->cur_frameoffset = pi->sp_offset;
pifsr++;
}
}
}
/* Set result parameters. */
*current_pc_ptr = current_pc;
*pifsr_ptr = pifsr;
}
/* Helper function for v850_scan_prologue to handle pushm/pushl instructions.
The SR bit of the register list is not supported. gcc does not generate
this bit. */
static void
v850_handle_pushm (int insn, int insn2, struct v850_frame_cache *pi,
struct pifsr **pifsr_ptr)
{
struct pifsr *pifsr = *pifsr_ptr;
long list12 = ((insn & 0x0f) << 16) + (insn2 & 0xfff0);
long offset = 0;
static struct reg_list pushml_reg_table[] =
{
{0x80000, E_PS_REGNUM}, /* PSW */
{0x40000, 1}, /* r1 */
{0x20000, 2}, /* r2 */
{0x10000, 3}, /* r3 */
{0x00800, 4}, /* r4 */
{0x00400, 5}, /* r5 */
{0x00200, 6}, /* r6 */
{0x00100, 7}, /* r7 */
{0x08000, 8}, /* r8 */
{0x04000, 9}, /* r9 */
{0x02000, 10}, /* r10 */
{0x01000, 11}, /* r11 */
{0x00080, 12}, /* r12 */
{0x00040, 13}, /* r13 */
{0x00020, 14}, /* r14 */
{0x00010, 15}, /* r15 */
{0, 0} /* end of table */
};
static struct reg_list pushmh_reg_table[] =
{
{0x80000, 16}, /* r16 */
{0x40000, 17}, /* r17 */
{0x20000, 18}, /* r18 */
{0x10000, 19}, /* r19 */
{0x00800, 20}, /* r20 */
{0x00400, 21}, /* r21 */
{0x00200, 22}, /* r22 */
{0x00100, 23}, /* r23 */
{0x08000, 24}, /* r24 */
{0x04000, 25}, /* r25 */
{0x02000, 26}, /* r26 */
{0x01000, 27}, /* r27 */
{0x00080, 28}, /* r28 */
{0x00040, 29}, /* r29 */
{0x00010, 30}, /* r30 */
{0x00020, 31}, /* r31 */
{0, 0} /* end of table */
};
struct reg_list *reg_table;
int i;
/* Is this a pushml or a pushmh? */
if ((insn2 & 7) == 1)
reg_table = pushml_reg_table;
else
reg_table = pushmh_reg_table;
/* Calculate the total size of the saved registers, and add it to the
immediate value used to adjust SP. */
for (i = 0; reg_table[i].mask != 0; i++)
if (list12 & reg_table[i].mask)
offset += v850_reg_size;
pi->sp_offset -= offset;
/* Calculate the offsets of the registers relative to the value the SP
will have after the registers have been pushed and the imm5 value is
subtracted from it. */
if (pifsr)
{
for (i = 0; reg_table[i].mask != 0; i++)
{
if (list12 & reg_table[i].mask)
{
int reg = reg_table[i].regno;
offset -= v850_reg_size;
pifsr->reg = reg;
pifsr->offset = offset;
pifsr->cur_frameoffset = pi->sp_offset;
pifsr++;
}
}
}
/* Set result parameters. */
*pifsr_ptr = pifsr;
}
/* Helper function to evaluate if register is one of the "save" registers.
This allows to simplify conditionals in v850_analyze_prologue a lot. */
static int
v850_is_save_register (int reg)
{
/* The caller-save registers are R2, R20 - R29 and R31. All other
registers are either special purpose (PC, SP), argument registers,
or just considered free for use in the caller. */
return reg == E_R2_REGNUM
|| (reg >= E_R20_REGNUM && reg <= E_R29_REGNUM)
|| reg == E_R31_REGNUM;
}
/* Scan the prologue of the function that contains PC, and record what
we find in PI. Returns the pc after the prologue. Note that the
addresses saved in frame->saved_regs are just frame relative (negative
offsets from the frame pointer). This is because we don't know the
actual value of the frame pointer yet. In some circumstances, the
frame pointer can't be determined till after we have scanned the
prologue. */
static CORE_ADDR
v850_analyze_prologue (struct gdbarch *gdbarch,
CORE_ADDR func_addr, CORE_ADDR pc,
struct v850_frame_cache *pi, ULONGEST ctbp)
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
CORE_ADDR prologue_end, current_pc;
struct pifsr pifsrs[E_NUM_REGS + 1];
struct pifsr *pifsr, *pifsr_tmp;
int ep_used;
int reg;
CORE_ADDR save_pc, save_end;
int regsave_func_p;
int r12_tmp;
memset (&pifsrs, 0, sizeof pifsrs);
pifsr = &pifsrs[0];
prologue_end = pc;
/* Now, search the prologue looking for instructions that setup fp, save
rp, adjust sp and such. We also record the frame offset of any saved
registers. */
pi->sp_offset = 0;
pi->uses_fp = 0;
ep_used = 0;
regsave_func_p = 0;
save_pc = 0;
save_end = 0;
r12_tmp = 0;
for (current_pc = func_addr; current_pc < prologue_end;)
{
int insn;
int insn2 = -1; /* dummy value */
insn = read_memory_integer (current_pc, 2, byte_order);
current_pc += 2;
if ((insn & 0x0780) >= 0x0600) /* Four byte instruction? */
{
insn2 = read_memory_integer (current_pc, 2, byte_order);
current_pc += 2;
}
if ((insn & 0xffc0) == ((10 << 11) | 0x0780) && !regsave_func_p)
{ /* jarl <func>,10 */
long low_disp = insn2 & ~(long) 1;
long disp = (((((insn & 0x3f) << 16) + low_disp)
& ~(long) 1) ^ 0x00200000) - 0x00200000;
save_pc = current_pc;
save_end = prologue_end;
regsave_func_p = 1;
current_pc += disp - 4;
prologue_end = (current_pc
+ (2 * 3) /* moves to/from ep */
+ 4 /* addi <const>,sp,sp */
+ 2 /* jmp [r10] */
+ (2 * 12) /* sst.w to save r2, r20-r29, r31 */
+ 20); /* slop area */
}
else if ((insn & 0xffc0) == 0x0200 && !regsave_func_p)
{ /* callt <imm6> */
long adr = ctbp + ((insn & 0x3f) << 1);
save_pc = current_pc;
save_end = prologue_end;
regsave_func_p = 1;
current_pc = ctbp + (read_memory_unsigned_integer (adr, 2, byte_order)
& 0xffff);
prologue_end = (current_pc
+ (2 * 3) /* prepare list2,imm5,sp/imm */
+ 4 /* ctret */
+ 20); /* slop area */
continue;
}
else if ((insn & 0xffc0) == 0x0780) /* prepare list2,imm5 */
{
v850_handle_prepare (insn, insn2, &current_pc, pi, &pifsr);
continue;
}
else if (insn == 0x07e0 && regsave_func_p && insn2 == 0x0144)
{ /* ctret after processing register save. */
current_pc = save_pc;
prologue_end = save_end;
regsave_func_p = 0;
continue;
}
else if ((insn & 0xfff0) == 0x07e0 && (insn2 & 5) == 1)
{ /* pushml, pushmh */
v850_handle_pushm (insn, insn2, pi, &pifsr);
continue;
}
else if ((insn & 0xffe0) == 0x0060 && regsave_func_p)
{ /* jmp after processing register save. */
current_pc = save_pc;
prologue_end = save_end;
regsave_func_p = 0;
continue;
}
else if ((insn & 0x07c0) == 0x0780 /* jarl or jr */
|| (insn & 0xffe0) == 0x0060 /* jmp */
|| (insn & 0x0780) == 0x0580) /* branch */
{
break; /* Ran into end of prologue. */
}
else if ((insn & 0xffe0) == ((E_SP_REGNUM << 11) | 0x0240))
/* add <imm>,sp */
pi->sp_offset += ((insn & 0x1f) ^ 0x10) - 0x10;
else if (insn == ((E_SP_REGNUM << 11) | 0x0600 | E_SP_REGNUM))
/* addi <imm>,sp,sp */
pi->sp_offset += insn2;
else if (insn == ((E_FP_REGNUM << 11) | 0x0000 | E_SP_REGNUM))
/* mov sp,fp */
pi->uses_fp = 1;
else if (insn == ((E_R12_REGNUM << 11) | 0x0640 | E_R0_REGNUM))
/* movhi hi(const),r0,r12 */
r12_tmp = insn2 << 16;
else if (insn == ((E_R12_REGNUM << 11) | 0x0620 | E_R12_REGNUM))
/* movea lo(const),r12,r12 */
r12_tmp += insn2;
else if (insn == ((E_SP_REGNUM << 11) | 0x01c0 | E_R12_REGNUM) && r12_tmp)
/* add r12,sp */
pi->sp_offset += r12_tmp;
else if (insn == ((E_EP_REGNUM << 11) | 0x0000 | E_SP_REGNUM))
/* mov sp,ep */
ep_used = 1;
else if (insn == ((E_EP_REGNUM << 11) | 0x0000 | E_R1_REGNUM))
/* mov r1,ep */
ep_used = 0;
else if (((insn & 0x07ff) == (0x0760 | E_SP_REGNUM)
|| (pi->uses_fp
&& (insn & 0x07ff) == (0x0760 | E_FP_REGNUM)))
&& pifsr
&& v850_is_save_register (reg = (insn >> 11) & 0x1f))
{
/* st.w <reg>,<offset>[sp] or st.w <reg>,<offset>[fp] */
pifsr->reg = reg;
pifsr->offset = insn2 & ~1;
pifsr->cur_frameoffset = pi->sp_offset;
pifsr++;
}
else if (ep_used
&& ((insn & 0x0781) == 0x0501)
&& pifsr
&& v850_is_save_register (reg = (insn >> 11) & 0x1f))
{
/* sst.w <reg>,<offset>[ep] */
pifsr->reg = reg;
pifsr->offset = (insn & 0x007e) << 1;
pifsr->cur_frameoffset = pi->sp_offset;
pifsr++;
}
}
/* Fix up any offsets to the final offset. If a frame pointer was created,
use it instead of the stack pointer. */
for (pifsr_tmp = pifsrs; pifsr_tmp != pifsr; pifsr_tmp++)
{
pifsr_tmp->offset -= pi->sp_offset - pifsr_tmp->cur_frameoffset;
pi->saved_regs[pifsr_tmp->reg].addr = pifsr_tmp->offset;
}
return current_pc;
}
/* Return the address of the first code past the prologue of the function. */
static CORE_ADDR
v850_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
{
CORE_ADDR func_addr, func_end;
/* See what the symbol table says. */
if (find_pc_partial_function (pc, NULL, &func_addr, &func_end))
{
struct symtab_and_line sal;
sal = find_pc_line (func_addr, 0);
if (sal.line != 0 && sal.end < func_end)
return sal.end;
/* Either there's no line info, or the line after the prologue is after
the end of the function. In this case, there probably isn't a
prologue. */
return pc;
}
/* We can't find the start of this function, so there's nothing we
can do. */
return pc;
}
/* Return 1 if the data structure has any 8-byte fields that'll require
the entire data structure to be aligned. Otherwise, return 0. */
static int
v850_eight_byte_align_p (struct type *type)
{
type = check_typedef (type);
if (v850_type_is_scalar (type))
return (TYPE_LENGTH (type) == 8);
else
{
int i;
for (i = 0; i < TYPE_NFIELDS (type); i++)
{
if (v850_eight_byte_align_p (TYPE_FIELD_TYPE (type, i)))
return 1;
}
}
return 0;
}
static CORE_ADDR
v850_frame_align (struct gdbarch *ignore, CORE_ADDR sp)
{
return sp & ~3;
}
/* Setup arguments and LP for a call to the target. First four args
go in R6->R9, subsequent args go into sp + 16 -> sp + ... Structs
are passed by reference. 64 bit quantities (doubles and long longs)
may be split between the regs and the stack. When calling a function
that returns a struct, a pointer to the struct is passed in as a secret
first argument (always in R6).
Stack space for the args has NOT been allocated: that job is up to us. */
static CORE_ADDR
v850_push_dummy_call (struct gdbarch *gdbarch,
struct value *function,
struct regcache *regcache,
CORE_ADDR bp_addr,
int nargs,
struct value **args,
CORE_ADDR sp,
int struct_return,
CORE_ADDR struct_addr)
{
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int argreg;
int argnum;
int len = 0;
int stack_offset;
if (gdbarch_tdep (gdbarch)->abi == V850_ABI_RH850)
stack_offset = 0;
else
/* The offset onto the stack at which we will start copying parameters
(after the registers are used up) begins at 16 rather than at zero.
That's how the ABI is defined, though there's no indication that these
16 bytes are used for anything, not even for saving incoming
argument registers. */
stack_offset = 16;
/* Now make space on the stack for the args. */
for (argnum = 0; argnum < nargs; argnum++)
len += ((TYPE_LENGTH (value_type (args[argnum])) + 3) & ~3);
sp -= len + stack_offset;
argreg = E_ARG0_REGNUM;
/* The struct_return pointer occupies the first parameter register. */
if (struct_return)
regcache_cooked_write_unsigned (regcache, argreg++, struct_addr);
/* Now load as many as possible of the first arguments into
registers, and push the rest onto the stack. There are 16 bytes
in four registers available. Loop thru args from first to last. */
for (argnum = 0; argnum < nargs; argnum++)
{
int len;
gdb_byte *val;
gdb_byte valbuf[v850_reg_size];
if (!v850_type_is_scalar (value_type (*args))
&& gdbarch_tdep (gdbarch)->abi == V850_ABI_GCC
&& TYPE_LENGTH (value_type (*args)) > E_MAX_RETTYPE_SIZE_IN_REGS)
{
store_unsigned_integer (valbuf, 4, byte_order,
value_address (*args));
len = 4;
val = valbuf;
}
else
{
len = TYPE_LENGTH (value_type (*args));
val = (gdb_byte *) value_contents (*args);
}
if (gdbarch_tdep (gdbarch)->eight_byte_align
&& v850_eight_byte_align_p (value_type (*args)))
{
if (argreg <= E_ARGLAST_REGNUM && (argreg & 1))
argreg++;
else if (stack_offset & 0x4)
stack_offset += 4;
}
while (len > 0)
if (argreg <= E_ARGLAST_REGNUM)
{
CORE_ADDR regval;
regval = extract_unsigned_integer (val, v850_reg_size, byte_order);
regcache_cooked_write_unsigned (regcache, argreg, regval);
len -= v850_reg_size;
val += v850_reg_size;
argreg++;
}
else
{
write_memory (sp + stack_offset, val, 4);
len -= 4;
val += 4;
stack_offset += 4;
}
args++;
}
/* Store return address. */
regcache_cooked_write_unsigned (regcache, E_LP_REGNUM, bp_addr);
/* Update stack pointer. */
regcache_cooked_write_unsigned (regcache, E_SP_REGNUM, sp);
return sp;
}
static void
v850_extract_return_value (struct type *type, struct regcache *regcache,
gdb_byte *valbuf)
{
struct gdbarch *gdbarch = get_regcache_arch (regcache);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int len = TYPE_LENGTH (type);
if (len <= v850_reg_size)
{
ULONGEST val;
regcache_cooked_read_unsigned (regcache, E_V0_REGNUM, &val);
store_unsigned_integer (valbuf, len, byte_order, val);
}
else if (len <= 2 * v850_reg_size)
{
int i, regnum = E_V0_REGNUM;
gdb_byte buf[v850_reg_size];
for (i = 0; len > 0; i += 4, len -= 4)
{
regcache_raw_read (regcache, regnum++, buf);
memcpy (valbuf + i, buf, len > 4 ? 4 : len);
}
}
}
static void
v850_store_return_value (struct type *type, struct regcache *regcache,
const gdb_byte *valbuf)
{
struct gdbarch *gdbarch = get_regcache_arch (regcache);
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
int len = TYPE_LENGTH (type);
if (len <= v850_reg_size)
regcache_cooked_write_unsigned
(regcache, E_V0_REGNUM,
extract_unsigned_integer (valbuf, len, byte_order));
else if (len <= 2 * v850_reg_size)
{
int i, regnum = E_V0_REGNUM;
for (i = 0; i < len; i += 4)
regcache_raw_write (regcache, regnum++, valbuf + i);
}
}
static enum return_value_convention
v850_return_value (struct gdbarch *gdbarch, struct value *function,
struct type *type, struct regcache *regcache,
gdb_byte *readbuf, const gdb_byte *writebuf)
{
if (v850_use_struct_convention (gdbarch, type))
return RETURN_VALUE_STRUCT_CONVENTION;
if (writebuf)
v850_store_return_value (type, regcache, writebuf);
else if (readbuf)
v850_extract_return_value (type, regcache, readbuf);
return RETURN_VALUE_REGISTER_CONVENTION;
}
/* Implement the breakpoint_kind_from_pc gdbarch method. */
static int
v850_breakpoint_kind_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr)
{
return 2;
}
/* Implement the sw_breakpoint_from_kind gdbarch method. */
static const gdb_byte *
v850_sw_breakpoint_from_kind (struct gdbarch *gdbarch, int kind, int *size)
{
*size = kind;
switch (gdbarch_bfd_arch_info (gdbarch)->mach)
{
case bfd_mach_v850e2:
case bfd_mach_v850e2v3:
case bfd_mach_v850e3v5:
{
/* Implement software breakpoints by using the dbtrap instruction.
Older architectures had no such instruction. For those, an
unconditional branch to self instruction is used. */
static unsigned char dbtrap_breakpoint[] = { 0x40, 0xf8 };
return dbtrap_breakpoint;
}
break;
default:
{
static unsigned char breakpoint[] = { 0x85, 0x05 };
return breakpoint;
}
break;
}
}
static struct v850_frame_cache *
v850_alloc_frame_cache (struct frame_info *this_frame)
{
struct v850_frame_cache *cache;
cache = FRAME_OBSTACK_ZALLOC (struct v850_frame_cache);
cache->saved_regs = trad_frame_alloc_saved_regs (this_frame);
/* Base address. */
cache->base = 0;
cache->sp_offset = 0;
cache->pc = 0;
/* Frameless until proven otherwise. */
cache->uses_fp = 0;
return cache;
}
static struct v850_frame_cache *
v850_frame_cache (struct frame_info *this_frame, void **this_cache)
{
struct gdbarch *gdbarch = get_frame_arch (this_frame);
struct v850_frame_cache *cache;
CORE_ADDR current_pc;
int i;
if (*this_cache)
return (struct v850_frame_cache *) *this_cache;
cache = v850_alloc_frame_cache (this_frame);
*this_cache = cache;
/* In principle, for normal frames, fp holds the frame pointer,
which holds the base address for the current stack frame.
However, for functions that don't need it, the frame pointer is
optional. For these "frameless" functions the frame pointer is
actually the frame pointer of the calling frame. */
cache->base = get_frame_register_unsigned (this_frame, E_FP_REGNUM);
if (cache->base == 0)
return cache;
cache->pc = get_frame_func (this_frame);
current_pc = get_frame_pc (this_frame);
if (cache->pc != 0)
{
ULONGEST ctbp;
ctbp = get_frame_register_unsigned (this_frame, E_CTBP_REGNUM);
v850_analyze_prologue (gdbarch, cache->pc, current_pc, cache, ctbp);
}
if (!cache->uses_fp)
{
/* We didn't find a valid frame, which means that CACHE->base
currently holds the frame pointer for our calling frame. If
we're at the start of a function, or somewhere half-way its
prologue, the function's frame probably hasn't been fully
setup yet. Try to reconstruct the base address for the stack
frame by looking at the stack pointer. For truly "frameless"
functions this might work too. */
cache->base = get_frame_register_unsigned (this_frame, E_SP_REGNUM);
}
/* Now that we have the base address for the stack frame we can
calculate the value of sp in the calling frame. */
trad_frame_set_value (cache->saved_regs, E_SP_REGNUM,
cache->base - cache->sp_offset);
/* Adjust all the saved registers such that they contain addresses
instead of offsets. */
for (i = 0; i < gdbarch_num_regs (gdbarch); i++)
if (trad_frame_addr_p (cache->saved_regs, i))
cache->saved_regs[i].addr += cache->base;
/* The call instruction moves the caller's PC in the callee's LP.
Since this is an unwind, do the reverse. Copy the location of LP
into PC (the address / regnum) so that a request for PC will be
converted into a request for the LP. */
cache->saved_regs[E_PC_REGNUM] = cache->saved_regs[E_LP_REGNUM];
return cache;
}
static struct value *
v850_frame_prev_register (struct frame_info *this_frame,
void **this_cache, int regnum)
{
struct v850_frame_cache *cache = v850_frame_cache (this_frame, this_cache);
gdb_assert (regnum >= 0);
return trad_frame_get_prev_register (this_frame, cache->saved_regs, regnum);
}
static void
v850_frame_this_id (struct frame_info *this_frame, void **this_cache,
struct frame_id *this_id)
{
struct v850_frame_cache *cache = v850_frame_cache (this_frame, this_cache);
/* This marks the outermost frame. */
if (cache->base == 0)
return;
*this_id = frame_id_build (cache->saved_regs[E_SP_REGNUM].addr, cache->pc);
}
static const struct frame_unwind v850_frame_unwind = {
NORMAL_FRAME,
default_frame_unwind_stop_reason,
v850_frame_this_id,
v850_frame_prev_register,
NULL,
default_frame_sniffer
};
static CORE_ADDR
v850_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
{
return frame_unwind_register_unsigned (next_frame,
gdbarch_sp_regnum (gdbarch));
}
static CORE_ADDR
v850_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
{
return frame_unwind_register_unsigned (next_frame,
gdbarch_pc_regnum (gdbarch));
}
static struct frame_id
v850_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame)
{
CORE_ADDR sp = get_frame_register_unsigned (this_frame,
gdbarch_sp_regnum (gdbarch));
return frame_id_build (sp, get_frame_pc (this_frame));
}
static CORE_ADDR
v850_frame_base_address (struct frame_info *this_frame, void **this_cache)
{
struct v850_frame_cache *cache = v850_frame_cache (this_frame, this_cache);
return cache->base;
}
static const struct frame_base v850_frame_base = {
&v850_frame_unwind,
v850_frame_base_address,
v850_frame_base_address,
v850_frame_base_address
};
static struct gdbarch *
v850_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
{
struct gdbarch *gdbarch;
struct gdbarch_tdep *tdep;
int e_flags, e_machine;
/* Extract the elf_flags if available. */
if (info.abfd != NULL
&& bfd_get_flavour (info.abfd) == bfd_target_elf_flavour)
{
e_flags = elf_elfheader (info.abfd)->e_flags;
e_machine = elf_elfheader (info.abfd)->e_machine;
}
else
{
e_flags = 0;
e_machine = 0;
}
/* Try to find the architecture in the list of already defined
architectures. */
for (arches = gdbarch_list_lookup_by_info (arches, &info);
arches != NULL;
arches = gdbarch_list_lookup_by_info (arches->next, &info))
{
if (gdbarch_tdep (arches->gdbarch)->e_flags != e_flags
|| gdbarch_tdep (arches->gdbarch)->e_machine != e_machine)
continue;
return arches->gdbarch;
}
tdep = XCNEW (struct gdbarch_tdep);
tdep->e_flags = e_flags;
tdep->e_machine = e_machine;
switch (tdep->e_machine)
{
case EM_V800:
tdep->abi = V850_ABI_RH850;
break;
default:
tdep->abi = V850_ABI_GCC;
break;
}
tdep->eight_byte_align = (tdep->e_flags & EF_RH850_DATA_ALIGN8) ? 1 : 0;
gdbarch = gdbarch_alloc (&info, tdep);
switch (info.bfd_arch_info->mach)
{
case bfd_mach_v850:
set_gdbarch_register_name (gdbarch, v850_register_name);
set_gdbarch_num_regs (gdbarch, E_NUM_OF_V850_REGS);
break;
case bfd_mach_v850e:
case bfd_mach_v850e1:
set_gdbarch_register_name (gdbarch, v850e_register_name);
set_gdbarch_num_regs (gdbarch, E_NUM_OF_V850E_REGS);
break;
case bfd_mach_v850e2:
case bfd_mach_v850e2v3:
set_gdbarch_register_name (gdbarch, v850e2_register_name);
set_gdbarch_num_regs (gdbarch, E_NUM_REGS);
break;
case bfd_mach_v850e3v5:
set_gdbarch_register_name (gdbarch, v850e3v5_register_name);
set_gdbarch_num_regs (gdbarch, E_NUM_OF_V850E3V5_REGS);
break;
}
set_gdbarch_num_pseudo_regs (gdbarch, 0);
set_gdbarch_sp_regnum (gdbarch, E_SP_REGNUM);
set_gdbarch_pc_regnum (gdbarch, E_PC_REGNUM);
set_gdbarch_fp0_regnum (gdbarch, -1);
set_gdbarch_register_type (gdbarch, v850_register_type);
set_gdbarch_char_signed (gdbarch, 1);
set_gdbarch_short_bit (gdbarch, 2 * TARGET_CHAR_BIT);
set_gdbarch_int_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_long_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_long_long_bit (gdbarch, 8 * TARGET_CHAR_BIT);
set_gdbarch_float_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_double_bit (gdbarch, 8 * TARGET_CHAR_BIT);
set_gdbarch_long_double_bit (gdbarch, 8 * TARGET_CHAR_BIT);
set_gdbarch_ptr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_addr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
set_gdbarch_breakpoint_kind_from_pc (gdbarch, v850_breakpoint_kind_from_pc);
set_gdbarch_sw_breakpoint_from_kind (gdbarch, v850_sw_breakpoint_from_kind);
set_gdbarch_return_value (gdbarch, v850_return_value);
set_gdbarch_push_dummy_call (gdbarch, v850_push_dummy_call);
set_gdbarch_skip_prologue (gdbarch, v850_skip_prologue);
set_gdbarch_frame_align (gdbarch, v850_frame_align);
set_gdbarch_unwind_sp (gdbarch, v850_unwind_sp);
set_gdbarch_unwind_pc (gdbarch, v850_unwind_pc);
set_gdbarch_dummy_id (gdbarch, v850_dummy_id);
frame_base_set_default (gdbarch, &v850_frame_base);
/* Hook in ABI-specific overrides, if they have been registered. */
gdbarch_init_osabi (info, gdbarch);
dwarf2_append_unwinders (gdbarch);
frame_unwind_append_unwinder (gdbarch, &v850_frame_unwind);
return gdbarch;
}
void
_initialize_v850_tdep (void)
{
register_gdbarch_init (bfd_arch_v850, v850_gdbarch_init);
register_gdbarch_init (bfd_arch_v850_rh850, v850_gdbarch_init);
}
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