2006-07-16 06:38:58 +08:00
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/* Target-dependent code for NetBSD/arm.
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2004-05-09 01:33:23 +08:00
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2019-01-01 14:01:51 +08:00
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Copyright (C) 2002-2019 Free Software Foundation, Inc.
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2002-02-16 00:12:24 +08:00
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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2007-08-24 02:08:50 +08:00
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the Free Software Foundation; either version 3 of the License, or
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2002-02-16 00:12:24 +08:00
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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2007-08-24 02:08:50 +08:00
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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2002-02-16 00:12:24 +08:00
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#include "defs.h"
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2019-04-03 10:04:24 +08:00
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/* Local non-gdb includes. */
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2015-12-19 00:33:58 +08:00
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#include "arch/arm.h"
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2002-02-16 00:12:24 +08:00
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#include "arm-tdep.h"
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2019-04-03 10:04:24 +08:00
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#include "osabi.h"
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* Makefile.in (armnbsd-tdep.o): Add solib-svr4.h and
nbsd-tdep.h to dependency list.
* configure.host (arm*-*-netbsdelf*, arm*-*-netbsd*,
i[3456]86-*-netbsdaout*, i[3456]86-*-netbsd*, m68*-*-netbsd*,
ns32k-*-netbsd*, sparc-*-netbsdaout*, sparc-*-netbsd*): Use
nbsdaout.mh and nbsdelf.mh consistently.
* configure.tgt (i[3456]86-*-netbsd*, m68*-*-netbsd*,
ns32k-*-netbsd*, sparc-*-netbsdelf*, sparc-*-netbsd*) Use
nbsdaout.mt and nbsdelf.mh consistently.
* armnbsd-tdep.c: Include nbsd-tdep.h and solib-svr4.h.
(arm_netbsd_elf_init_abi): Use set_solib_svr4_fetch_link_map_offsets
to set nbsd_ilp32_solib_svr4_fetch_link_map_offsets.
* config/nm-nbsd.h: Garbage-collect SVR4_SHARED_LIBS. Move
a.out shared library stuff from here...
* config/nm-nbsdaout.h: ...to here.
* config/tm-nbsd.h: Remove.
* config/alpha/nm-nbsd.h (SVR4_SHARED_LIBS): Remove.
* config/arm/nbsd.mh: Remove.
* config/arm/nbsd.mt (TDEPFILES): Remove solib-sunos.o, add
nbsd-tdep.o.
* config/arm/nbsdaout.mh: New file.
* config/arm/nbsdelf.mh: New file.
* config/arm/nm-nbsdaout.h: New file.
* config/i386/nbsd.mh: Remove.
* config/i386/nbsd.mt: Remove.
* config/i386/nbsdaout.mh: New file.
* config/i386/nbsdaout.mt: New file.
* config/i386/nbsdelf.mh (NAT_FILE): Use nm-nbsd.h.
* config/i386/nbsdelf.mt (TM_FILE): Use tm-nbsd.h.
* config/i386/nm-nbsd.h (REGISTER_U_ADDR,
i386_register_u_addr): Remove.
* config/i386/nm-nbsdaout.h: New file.
* config/i386/nm-nbsdelf.h: Remove.
* config/i386/tm-nbsd.h: Don't include config/tm-nbsd.h.
(USE_STRUCT_CONVENTION): Remove.
* config/i386/tm-nbsdaout.h: New file.
* config/i386/tm-nbsdelf.h: Remove.
* config/m68k/nbsd.mh: Remove.
* config/m68k/nbsd.mt: Remove.
* config/m68k/nbsdaout.mh: New file.
* config/m68k/nbsdaout.mt: New file.
* config/m68k/nm-nbsd.h: Use config/nm-nbsd.h.
* config/m68k/nm-nbsdaout.h: New file.
* config/m68k/tm-nbsd.h: Don't include config/tm-nbsd.h.
(IN_SOLIB_CALL_TRAMPOLINE): Define.
* config/ns32k/nbsd.mh: Remove.
* config/ns32k/nbsd.mt: Remove.
* config/ns32k/nbsdaout.mh: New file.
* config/ns32k/nbsdaout.mt: New file.
* config/ns32k/nm-nbsd.h: Include config/nm-nbsd.h.
* config/ns32k/nm-nbsdaout.h: New file.
* config/ns32k/tm-nbsd.h: Don't include config/tm-nbsd.h.
(IN_SOLIB_CALL_TRAMPOLINE): Define.
* config/powerpc/nm-nbsd.h: Include config/nm-nbsd.h.
(SVR4_SHARED_LIBS): Remove.
* config/powerpc/tm-nbsd.h: Dont' include config/tm-nbsd.h.
* config/sparc/nbsd.mh: Remove.
* config/sparc/nbsd.mt: Remove.
* config/sparc/nbsdaout.mh: New file.
* config/sparc/nbsdaout.mt: New file.
* config/sparc/nbsdelf.mh (NAT_FILE): Use nm-nbsd.h.
* config/sparc/nbsdelf.mt: New file.
* config/sparc/nm-nbsdaout.h: New file.
* config/sparc/nm-nbsdelf.h: Remove.
* config/sparc/tm-nbsd.h: Don't include config/tm-nbsd.h.
* config/sparc/tm-nbsdaout.h: New file.
2002-05-22 11:59:55 +08:00
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#include "solib-svr4.h"
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2002-02-16 00:12:24 +08:00
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2002-02-18 21:35:31 +08:00
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/* Description of the longjmp buffer. */
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2002-12-18 06:11:31 +08:00
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#define ARM_NBSD_JB_PC 24
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2004-03-26 00:52:42 +08:00
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#define ARM_NBSD_JB_ELEMENT_SIZE INT_REGISTER_SIZE
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2002-02-18 21:35:31 +08:00
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2002-02-16 00:12:24 +08:00
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/* For compatibility with previous implemenations of GDB on arm/NetBSD,
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override the default little-endian breakpoint. */
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-Wpointer-sign: char -> gdb_byte.
-Wpointer-sign catches all these cases across the codebase that should
be using gdb_byte for raw target bytes. I think these are all
obvious, hence I've collapsed into a single patch.
gdb/
2013-04-19 Pedro Alves <palves@redhat.com>
* aarch64-tdep.c (aarch64_default_breakpoint): Change type to
gdb_byte[].
(aarch64_breakpoint_from_pc): Change return type to gdb_byte *.
* ada-lang.c (ada_value_assign): Use gdb_byte.
* alphanbsd-tdep.c (sigtramp_retcode): Change type to gdb_byte[].
(alphanbsd_sigtramp_offset): Use gdb_byte.
* arm-linux-tdep.c (arm_linux_arm_le_breakpoint)
(arm_linux_arm_be_breakpoint, eabi_linux_arm_le_breakpoint)
(eabi_linux_arm_be_breakpoint, arm_linux_thumb_be_breakpoint)
(arm_linux_thumb_le_breakpoint, arm_linux_thumb2_be_breakpoint)
(arm_linux_thumb2_le_breakpoint): Change type to gdb_byte[].
* arm-tdep.c (arm_stub_unwind_sniffer)
(arm_displaced_init_closure): Use gdb_byte.
(arm_default_arm_le_breakpoint, arm_default_arm_be_breakpoint)
(arm_default_thumb_le_breakpoint)
(arm_default_thumb_be_breakpoint): Change type to gdb_byte[].
* arm-tdep.h (struct gdbarch_tdep) <arm_breakpoint,
thumb_breakpoint, thumb2_breakpoint>: Change type to gdb_byte *.
* arm-wince-tdep.c (arm_wince_le_breakpoint)
(arm_wince_thumb_le_breakpoint): Change type to gdb_byte[].
* armnbsd-tdep.c (arm_nbsd_arm_le_breakpoint)
(arm_nbsd_arm_be_breakpoint, arm_nbsd_thumb_le_breakpoint)
(arm_nbsd_thumb_be_breakpoint): Change type to gdb_byte[].
* armobsd-tdep.c (arm_obsd_thumb_le_breakpoint)
(arm_obsd_thumb_be_breakpoint): Change type to gdb_byte[].
* cris-tdep.c (push_stack_item, cris_push_dummy_call)
(cris_store_return_value, cris_extract_return_value): Use
gdb_byte.
(constraint): Change type of parameter to char * from signed
char*. Use gdb_byte.
* dwarf2loc.c (read_pieced_value, write_pieced_value): Change type
of local buffer to gdb_byte *.
* dwarf2read.c (read_index_from_section): Use gdb_byte.
(create_dwp_hash_table): Change type of locals to gdb_byte *.
(add_address_entry): Change type of local buffer to gdb_byte[].
* frv-tdep.c (frv_adjust_breakpoint_address, find_func_descr)
(frv_push_dummy_call): Use gdb_byte.
* hppa-hpux-tdep.c (hppa_hpux_push_dummy_code)
(hppa_hpux_supply_ss_fpblock, hppa_hpux_supply_ss_wide)
(hppa_hpux_supply_save_state): Use gdb_byte.
* hppa-tdep.c (hppa32_push_dummy_call)
(hppa64_convert_code_addr_to_fptr): Use gdb_byte.
* ia64-tdep.c (extract_bit_field, replace_bit_field)
(slotN_contents, replace_slotN_contents): Change type of parameter
to gdb_byte *.
(fetch_instruction, ia64_pseudo_register_write)
(ia64_register_to_value, ia64_value_to_register)
(ia64_extract_return_value, ia64_store_return_value)
(ia64_push_dummy_call): Use gdb_byte.
* m32c-tdep.c (m32c_return_value): Remove cast.
* m68hc11-tdep.c (m68hc11_pseudo_register_write)
(m68hc11_push_dummy_call, m68hc11_store_return_value): Use
gdb_byte.
* mipsnbsd-tdep.c (mipsnbsd_get_longjmp_target): Use gdb_byte.
* mn10300-tdep.c (mn10300_store_return_value)
(mn10300_breakpoint_from_pc, mn10300_push_dummy_call): Use
gdb_byte.
* moxie-tdep.c (moxie_process_readu): Use gdb_byte.
(moxie_process_record): Remove casts.
* ppc-ravenscar-thread.c (supply_register_at_address)
(ppc_ravenscar_generic_store_registers): Use gdb_byte.
* ravenscar-thread.c (get_running_thread_id): Use gdb_byte.
* remote-m32r-sdi.c (m32r_fetch_register): Use gdb_byte.
* remote-mips.c (mips_xfer_memory): Use gdb_byte.
* remote.c (compare_sections_command): Use gdb_byte.
* score-tdep.c (score7_free_memblock): Change type of parameter to
gdb_byte *.
* sh-tdep.c (sh_justify_value_in_reg): Change return type to
gdb_byte *. Use gdb_byte.
(sh_push_dummy_call_fpu): Use gdb_byte.
(sh_extract_return_value_nofpu, sh_extract_return_value_fpu)
(sh_store_return_value_nofpu, sh_store_return_value_fpu)
(sh_register_convert_to_virtual, sh_register_convert_to_raw):
Change parameter type to 'gdb_byte *'. Use gdb_byte.
(sh_pseudo_register_read, sh_pseudo_register_write): Use gdb_byte.
* sh64-tdep.c (sh64_push_dummy_call): Use gdb_byte.
(sh64_store_return_value, sh64_register_convert_to_virtual):
Change parameter type to 'gdb_byte *'. Use gdb_byte.
(sh64_pseudo_register_write): Use gdb_byte.
* solib-darwin.c (darwin_current_sos): Add casts to 'gdb_byte *'.
* solib-irix.c (fetch_lm_info): Likewise. Use gdb_byte for byte
buffer.
(irix_current_sos): Use gdb_byte.
* solib-som.c (som_current_sos): Use gdb_byte.
* sparc-ravenscar-thread.c (supply_register_at_address)
(sparc_ravenscar_generic_store_registers): Use gdb_byte.
* spu-multiarch.c (spu_xfer_partial): Add cast to 'char *'.
* spu-tdep.c (spu_get_overlay_table): Use gdb_byte.
* tic6x-tdep.c (tic6x_breakpoint_from_pc): Change return type to
'gdb_byte *'.
* tic6x-tdep.h (struct gdbarch_tdep) <breakpoint>: Change type to
'gdb_byte *'.
* tracepoint.c (tfile_fetch_registers): Use gdb_byte.
* xstormy16-tdep.c (xstormy16_extract_return_value)
(xstormy16_store_return_value): Change parameter type to
'gdb_byte *'. Adjust.
(xstormy16_push_dummy_call): Use gdb_byte.
* xtensa-tdep.c (xtensa_scan_prologue, call0_ret)
(call0_analyze_prologue, execute_code): Use gdb_byte.
2013-04-19 23:09:46 +08:00
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static const gdb_byte arm_nbsd_arm_le_breakpoint[] = {0x11, 0x00, 0x00, 0xe6};
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static const gdb_byte arm_nbsd_arm_be_breakpoint[] = {0xe6, 0x00, 0x00, 0x11};
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static const gdb_byte arm_nbsd_thumb_le_breakpoint[] = {0xfe, 0xde};
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static const gdb_byte arm_nbsd_thumb_be_breakpoint[] = {0xde, 0xfe};
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2002-02-16 00:12:24 +08:00
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static void
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arm_netbsd_init_abi_common (struct gdbarch_info info,
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struct gdbarch *gdbarch)
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{
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struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
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tdep->lowest_pc = 0x8000;
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2004-08-23 18:28:58 +08:00
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switch (info.byte_order)
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{
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case BFD_ENDIAN_LITTLE:
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tdep->arm_breakpoint = arm_nbsd_arm_le_breakpoint;
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tdep->thumb_breakpoint = arm_nbsd_thumb_le_breakpoint;
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tdep->arm_breakpoint_size = sizeof (arm_nbsd_arm_le_breakpoint);
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tdep->thumb_breakpoint_size = sizeof (arm_nbsd_thumb_le_breakpoint);
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break;
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case BFD_ENDIAN_BIG:
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tdep->arm_breakpoint = arm_nbsd_arm_be_breakpoint;
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tdep->thumb_breakpoint = arm_nbsd_thumb_be_breakpoint;
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tdep->arm_breakpoint_size = sizeof (arm_nbsd_arm_be_breakpoint);
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tdep->thumb_breakpoint_size = sizeof (arm_nbsd_thumb_be_breakpoint);
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break;
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default:
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internal_error (__FILE__, __LINE__,
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2005-01-05 Baurjan Ismagulov <ibr@ata.cs.hun.edu.tr>
Committed by Andrew Cagney.
* ada-valprint.c, aix-thread.c, alpha-nat.c: I18n markup.
* alphabsd-nat.c, alphanbsd-tdep.c, amd64-linux-nat.c: I18n markup.
* amd64-tdep.c, amd64bsd-nat.c, amd64fbsd-nat.c: I18n markup.
* arch-utils.c, arm-linux-nat.c, arm-tdep.c: I18n markup.
* armnbsd-nat.c, armnbsd-tdep.c, auxv.c, avr-tdep.c: I18n markup.
* aix-thread.c (_initialize_aix_thread): Get rid of the
deprecated_add_show_from_set call.
* alpha-tdep.c (_initialize_alpha_tdep): Ditto.
* arm-tdep.c (_initialize_arm_tdep): Ditto.
* command.h (add_setshow_enum_cmd): Add arguments for returning
new list elements.
* cli/cli-decode.c (add_setshow_enum_cmd): Ditto.
* mips-tdep.c (_initialize_mips_tdep): Modify calls to
add_setshow_enum_cmd.
2005-01-05 23:43:50 +08:00
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_("arm_gdbarch_init: bad byte order for float format"));
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2004-08-23 18:28:58 +08:00
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}
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2002-02-18 21:35:31 +08:00
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2002-12-18 06:11:31 +08:00
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tdep->jb_pc = ARM_NBSD_JB_PC;
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tdep->jb_elt_size = ARM_NBSD_JB_ELEMENT_SIZE;
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2007-05-16 23:31:12 +08:00
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/* Single stepping. */
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set_gdbarch_software_single_step (gdbarch, arm_software_single_step);
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2002-02-16 00:12:24 +08:00
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}
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static void
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2006-07-16 06:38:58 +08:00
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arm_netbsd_elf_init_abi (struct gdbarch_info info,
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2002-02-16 00:12:24 +08:00
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struct gdbarch *gdbarch)
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{
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2002-02-20 03:20:31 +08:00
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struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
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2002-02-16 00:12:24 +08:00
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arm_netbsd_init_abi_common (info, gdbarch);
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2005-04-15 02:40:26 +08:00
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if (tdep->fp_model == ARM_FLOAT_AUTO)
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tdep->fp_model = ARM_FLOAT_SOFT_VFP;
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2006-07-16 05:22:51 +08:00
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/* NetBSD ELF uses SVR4-style shared libraries. */
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set_solib_svr4_fetch_link_map_offsets
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2006-07-16 06:38:58 +08:00
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(gdbarch, svr4_ilp32_fetch_link_map_offsets);
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2002-02-16 00:12:24 +08:00
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}
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void
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_initialize_arm_netbsd_tdep (void)
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{
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2016-12-10 00:08:49 +08:00
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gdbarch_register_osabi (bfd_arch_arm, 0, GDB_OSABI_NETBSD,
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* Makefile.in (SFILES): Add osabi.c.
(COMMON_OBS): Add osabi.o.
(osabi.o): New dependency list.
* osabi.c: New file.
* osabi.h: New file.
* doc/gdbint.texinfo: Document new generic OS ABI framework.
* Makefile.in (alpha_tdep_h): Define and use instead of
alpha-tdep.h.
* alpha-tdep.c (alpha_abi_names, process_note_abi_tag_sections,
get_elfosabi, alpha_abi_handler_list, alpha_gdbarch_register_os_abi):
Remove.
(alpha_gdbarch_init, alpha_dump_tdep): Use generic OS ABI framework.
* alpha-tdep.h: Include osabi.h.
(alpha_abi): Remove.
(gdbarch_tdep): Use generic OS ABI framework.
* alpha-linux-tdep.c (_initialize_alpha_linux_tdep): Use
gdbarch_register_osabi.
* alpha-osf1-tdep.c (_initialize_alpha_osf1_tdep): Likewise.
* alphafbsd-tdep.c (_initialize_alphafbsd_tdep): Likewise.
* alphanbsd-tdep.c (_initialize_alphanbsd_tdep): Likewise.
* Makefile.in (sh_tdep_h): Add osabi.h.
* sh-tdep.h (sh_osabi): Remove.
(gdbarch_tdep): Use generic OS ABI framework.
* sh-tdep.c (sh_osabi_names, process_note_abi_tag_sections,
sh_osabi_handler_list, sh_gdbarch_register_os_abi): Remove.
(sh_gdbarch_init, sh_dump_tdep): Use generic OS ABI framework.
* shnbsd-tdep.c (_initialize_shnbsd_tdep): Use gdbarch_register_osabi.
* Makefile.in (arm_tdep_h): Define and use instead of arm-tdep.h.
* arm-linux-tdep.c (_initialize_arm_linux_tdep): Use
gdbarch_register_osabi.
* arm-tdep.c (arm_abi_names, process_note_abi_tag_sections,
arm_abi_handler_list, arm_gdbarch_register_os_abi): Remove.
(get_elfosabi): Rename to...
(arm_elf_osabi_sniffer): ...this. Adjust to use generic OS
ABI framework support routines.
(arm_gdbarch_init): Use generic OS ABI framework.
(arm_dump_tdep): Likewise.
(_initialize_arm_tdep): Likewise.
* arm-tdep.h: Include osabi.h.
(arm_abi): Remove.
(gdbarch_tdep): Remove arm_abi and abi_name members. Add
osabi member.
(arm_gdbarch_register_os_abi): Remove prototype.
* armnbsd-tdep.c (arm_netbsd_aout_osabi_sniffer): New function.
(_initialize_arm_netbsd_tdep): Use gdbarch_register_osabi.
* Makefile.in (mips-tdep.o): Add osabi.h to dependency list.
* mips-tdep.c: Include osabi.h.
(gdbarch_tdep, mips_gdbarch_init, mips_dump_tdep): Use generic
OS ABI framework.
2002-05-21 23:36:03 +08:00
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arm_netbsd_elf_init_abi);
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2002-02-16 00:12:24 +08:00
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}
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