newlib/include/elf/m68k.h

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/* MC68k ELF support for BFD.
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Copyright 1998, 1999, 2000, 2002, 2005, 2006, 2007, 2009, 2010
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Free Software Foundation, Inc.
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This file is part of BFD, the Binary File Descriptor library.
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
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the Free Software Foundation; either version 3 of the License, or
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(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, write to the Free Software Foundation,
Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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#ifndef _ELF_M68K_H
#define _ELF_M68K_H
#include "elf/reloc-macros.h"
/* Relocation types. */
START_RELOC_NUMBERS (elf_m68k_reloc_type)
RELOC_NUMBER (R_68K_NONE, 0) /* No reloc */
RELOC_NUMBER (R_68K_32, 1) /* Direct 32 bit */
RELOC_NUMBER (R_68K_16, 2) /* Direct 16 bit */
RELOC_NUMBER (R_68K_8, 3) /* Direct 8 bit */
RELOC_NUMBER (R_68K_PC32, 4) /* PC relative 32 bit */
RELOC_NUMBER (R_68K_PC16, 5) /* PC relative 16 bit */
RELOC_NUMBER (R_68K_PC8, 6) /* PC relative 8 bit */
RELOC_NUMBER (R_68K_GOT32, 7) /* 32 bit PC relative GOT entry */
RELOC_NUMBER (R_68K_GOT16, 8) /* 16 bit PC relative GOT entry */
RELOC_NUMBER (R_68K_GOT8, 9) /* 8 bit PC relative GOT entry */
RELOC_NUMBER (R_68K_GOT32O, 10) /* 32 bit GOT offset */
RELOC_NUMBER (R_68K_GOT16O, 11) /* 16 bit GOT offset */
RELOC_NUMBER (R_68K_GOT8O, 12) /* 8 bit GOT offset */
RELOC_NUMBER (R_68K_PLT32, 13) /* 32 bit PC relative PLT address */
RELOC_NUMBER (R_68K_PLT16, 14) /* 16 bit PC relative PLT address */
RELOC_NUMBER (R_68K_PLT8, 15) /* 8 bit PC relative PLT address */
RELOC_NUMBER (R_68K_PLT32O, 16) /* 32 bit PLT offset */
RELOC_NUMBER (R_68K_PLT16O, 17) /* 16 bit PLT offset */
RELOC_NUMBER (R_68K_PLT8O, 18) /* 8 bit PLT offset */
RELOC_NUMBER (R_68K_COPY, 19) /* Copy symbol at runtime */
RELOC_NUMBER (R_68K_GLOB_DAT, 20) /* Create GOT entry */
RELOC_NUMBER (R_68K_JMP_SLOT, 21) /* Create PLT entry */
RELOC_NUMBER (R_68K_RELATIVE, 22) /* Adjust by program base */
/* These are GNU extensions to enable C++ vtable garbage collection. */
RELOC_NUMBER (R_68K_GNU_VTINHERIT, 23)
RELOC_NUMBER (R_68K_GNU_VTENTRY, 24)
M68K TLS support. ld/testsuite/ * ld-m68k/got-multigot-12-13-14-34-35-ok.d: Update. * ld-m68k/got-multigot-14-ok.d: Update. * ld-m68k/m68k-got.exp: Update. * ld-m68k/got-negative-12-13-14-34-ok.d: Update. * ld-m68k/got-negative-14-ok.d: Update. * ld-m68k/tls-gd-1.d, ld-m68k/tls-gd-2.d: New tests. * ld-m68k/tls-gd-ie-1.d, ld-m68k/tls-ie-1.d: New tests. * ld-m68k/tls-ld-1.d, ld-m68k/tls-ld-2.d: New tests. * ld-m68k/tls-ld-1.s, ld-m68k/tls-ld-2.s, ld-m68k/tls-le-1.s: New test sources. * ld-m68k/tls-no-1.s, ld-m68k/tls-gd-ie-1.s, ld-m68k/tls-gd-1.s: New test sources. * ld-m68k/tls-gd-2.s, ld-m68k/tls-ie-1.s: New test sources. * ld-m68k/m68k.exp: Run new tests. (merge isa-a isa-a:nodiv): Fix. gas/testsuite/ * gas/m68k/tls-gd-3.d, gas/m68k/tls-gd-3.s: New test. * gas/m68k/all.exp: Run it. gas/ * config/m68k-parse.h (enum pic_relocation): Add values for TLS relocations. * config/m68k-parse.y (yylex): Parse TLS relocations. * config/tc-m68k.c (m68k_elf_cons): New static function. (md_pseudo_table): Use it. (get_reloc_code, tc_m68k_fix_adjustable, tc_gen_reloc): Handle TLS relocations. (md_apply_fix): Fix to set thread local flag. (m68k_elf_suffix): New static function; helper for m68k_elf_cons. include/elf/ * m68k.h: Map TLS relocations to numbers. bfd/ * bfd-in2.h: Regenerate. * elf32-m68k.c: Handle 2-slot GOT entries. Rename variables and fields from n_entries to n_slots where appropriate, update comments. (HOWTO): Add TLS relocations. (reloc_map): Map BFD_RELOC_68K_TLS_* to R_68K_TLS_*. (enum elf_m68k_got_offset_size): New enum. (struct elf_m68k_got_entry.type): Move field to ... (struct elf_m68k_got_entry_key): ... here. Update all uses. (elf_m68k_reloc_got_type, elf_m68k_reloc_got_offset_size): New static functions. (elf_m68k_reloc_got_n_entries, elf_m68k_reloc_tls_p): New static functions. (struct elf_m68k_got): merge rel_8o_n_entries and rel_8o_16o_n_entries fields into n_entries array. Update comments. (elf_m68k_init_got): Simplify, update all uses. (elf_m68k_init_got_entry_key): Handle R_68K_TLS_LDM32 reloc, update. (ELF_M68K_REL_8O_MAX_N_ENTRIES_IN_GOT): Adjust to handle 2-slot GOT entries; update name, update all uses. (ELF_M68K_REL_8O_16O_MAX_N_ENTRIES_IN_GOT): Ditto. (elf_m68k_get_got_entry): Update. (elf_m68k_update_got_entry_type): Rewrite to handle TLS GOT entries, simplify. (elf_m68k_remove_got_entry_type): Simplify. (elf_m68k_add_entry_to_got, elf_m68k_can_merge_gots_1): Update. (elf_m68k_can_merge_gots): Update. (elf_m68k_merge_gots_1, elf_m68k_merge_gots): Update. (struct elf_m68k_finalize_got_offsets_arg): Rewrite to handle 2-slot GOT entries, simplify. (elf_m68k_finalize_got_offsets_1, elf_m68k_finalize_got_offsets): Same. (struct elf_m68k_partition_multi_got_arg): Add slots_relas_diff field, remove obsoleted local_n_entries field. (elf_m68k_partition_multi_got_2): New static function. (elf_m68k_partition_multi_got_1, elf_m68k_partition_multi_got): Use it; update. (elf_m68k_remove_got_entry_type): Update. (elf_m68k_install_rela, dtpoff_base, tpoff): New static functions. (elf_m68k_check_relocs): Handle TLS relocations. Remove unnecessary update of sgot->size and srelgot->size. (elf_m68k_gc_sweep_hook): Update. (elf_m68k_install_rela, dtpoff_base, tpoff): New static functions. (elf_m68k_relocate_section, elf_m68k_finish_dynamic_symbol): Handle TLS relocations. * reloc.c (BFD_RELOC_68K_TLS_*): Declare TLS relocations. * libbfd.h (bfd_reloc_code_real_names): Add BFD_RELOC_68K_TLS_*.
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/* TLS static relocations. */
RELOC_NUMBER (R_68K_TLS_GD32, 25)
RELOC_NUMBER (R_68K_TLS_GD16, 26)
RELOC_NUMBER (R_68K_TLS_GD8, 27)
RELOC_NUMBER (R_68K_TLS_LDM32, 28)
RELOC_NUMBER (R_68K_TLS_LDM16, 29)
RELOC_NUMBER (R_68K_TLS_LDM8, 30)
RELOC_NUMBER (R_68K_TLS_LDO32, 31)
RELOC_NUMBER (R_68K_TLS_LDO16, 32)
RELOC_NUMBER (R_68K_TLS_LDO8, 33)
RELOC_NUMBER (R_68K_TLS_IE32, 34)
RELOC_NUMBER (R_68K_TLS_IE16, 35)
RELOC_NUMBER (R_68K_TLS_IE8, 36)
RELOC_NUMBER (R_68K_TLS_LE32, 37)
RELOC_NUMBER (R_68K_TLS_LE16, 38)
RELOC_NUMBER (R_68K_TLS_LE8, 39)
RELOC_NUMBER (R_68K_TLS_DTPMOD32, 40)
RELOC_NUMBER (R_68K_TLS_DTPREL32, 41)
RELOC_NUMBER (R_68K_TLS_TPREL32, 42)
END_RELOC_NUMBERS (R_68K_max)
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/* We use the top 24 bits to encode information about the
architecture variant. */
* bfd/archures.c (bfd_mach_mcf5200, bfd_mach_mcf5206e, bfd_mach_mcf5307, bfd_mach_mcf5407, bfd_mach_mcf528x, bfd_mach_mcfv4e, bfd_mach_mcf521x, bfd_mach_mcf5249, bfd_mach_mcf547x, bfd_mach_mcf548x): Remove. (bfd_mach_mcf_isa_a, bfd_mach_mcf_isa_a_div, bfd_mach_mcf_isa_a_div_mac, bfd_mach_mcf_isa_a_div_emac, bfd_mach_mcf_isa_aplus, bfd_mach_mcf_isa_aplus_mac, bfd_mach_mcf_isa_aplus_emac, bfd_mach_mcf_isa_aplus_usp, bfd_mach_mcf_isa_aplus_usp_mac, bfd_mach_mcf_isa_aplus_usp_emac, bfd_mach_mcf_isa_b, bfd_mach_mcf_isa_b_mac, bfd_mach_mcf_isa_b_emac, bfd_mach_mcf_isa_b_usp_float, bfd_mach_mcf_isa_b_usp_float_mac, bfd_mach_mcf_isa_b_usp_float_emac): New. (bfd_default_scan): Update coldfire mapping. * bfd/bfd-in.h (bfd_m68k_mach_to_features, bfd_m68k_features_to_mach): Declare. * bfd/bfd-in2.h: Rebuilt. * bfd/cpu-m68k.c (arch_info_struct): Add new coldfire machines, adjust legacy names. (m68k_arch_features): New. (bfd_m68k_mach_to_features, bfd_m68k_features_to_mach): Define. * bfd/elf32-m68k.c (elf32_m68k_object_p): New. (elf32_m68k_merge_private_bfd_data): Merge the CF EF flags. (elf32_m68k_print_private_bfd_data): Print the CF EF flags. (elf_backend_object_p): Define. * bfd/ieee.c (ieee_write_processor): Update coldfire machines. * bfd/libbfd.h: Rebuilt. * gas/config/tc-m68k.c (mcf5208_control_regs, mcf5213_control_regs, mcf5329_control_regs): New. (not_current_architecture, selected_arch, selected_cpu): New. (m68k_archs, m68k_extensions): New. (archs): Renamed to ... (m68k_cpus): ... here. Adjust. (n_arches): Remove. (md_pseudo_table): Add arch and cpu directives. (find_cf_chip, m68k_ip): Adjust table scanning. (no_68851, no_68881): Remove. (md_assemble): Lazily initialize. (select_control_regs): Adjust cpu names. Add 5208, 5213, 5329. (md_init_after_args): Move functionality to m68k_init_arch. (mri_chip): Adjust table scanning. (md_parse_option): Reimplement 'm' processing to add -march & -mcpu options with saner parsing. (m68k_lookup_cpu, m68k_set_arch, m68k_set_cpu, m68k_set_extension, m68k_init_arch): New. (s_m68k_cpu, s_m68k_arch): New. (md_show_usage): Adjust. (m68k_elf_final_processing): Set CF EF flags. * gas/config/tc-m68k.h (m68k_init_after_args): Remove. (tc_init_after_args): Remove. * gas/doc/c-m68k.texi (M68K-Opts): Document -march, -mcpu options. (M68k-Directives): Document .arch and .cpu directives. * gas/testsuite/gas/m68k/all.exp: Add arch-cpu-1 test. * gas/testsuite/gas/m68k/arch-cpu-1.[sd]: New. * include/elf/m68k.h (EF_CPU32, EF_M68000, EF_CFV4E): Rename to ... (EF_M68K_CPU32, EF_M68K_M68000, EF_M68K_CFV4E): ... here. (EF_M68K_ISA_MASK, EF_M68K_ISA_A, EF_M68K_M68K_ISA_A_PLUS, EF_M68K_ISA_B, EF_M68K_HW_DIV, EF_M68K_MAC_MASK, EF_M68K_MAC, EF_M68K_EMAC, EF_M68K_USP, EF_M68K_FLOAT): New. * include/opcode/m68k.h (m68008, m68ec030, m68882): Remove. (m68k_mask): New. (cpu_m68k, cpu_cf): New. (mcf5200, mcf5206e, mcf521x, mcf5249, mcf528x, mcf5307, mcf5407, mcf5470, mcf5480): Rename to cpu_<foo>. Add m680x0 variants. * opcodes/m68k-dis.c (print_insn_m68k): Use bfd_m68k_mach_to_features. * binutils/readelf.c (get_machine_flags): Add logic for EF_M68K flags.
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#define EF_M68K_CPU32 0x00810000
#define EF_M68K_M68000 0x01000000
#define EF_M68K_CFV4E 0x00008000
#define EF_M68K_FIDO 0x02000000
#define EF_M68K_ARCH_MASK \
(EF_M68K_M68000 | EF_M68K_CPU32 | EF_M68K_CFV4E | EF_M68K_FIDO)
* bfd/archures.c (bfd_mach_mcf5200, bfd_mach_mcf5206e, bfd_mach_mcf5307, bfd_mach_mcf5407, bfd_mach_mcf528x, bfd_mach_mcfv4e, bfd_mach_mcf521x, bfd_mach_mcf5249, bfd_mach_mcf547x, bfd_mach_mcf548x): Remove. (bfd_mach_mcf_isa_a, bfd_mach_mcf_isa_a_div, bfd_mach_mcf_isa_a_div_mac, bfd_mach_mcf_isa_a_div_emac, bfd_mach_mcf_isa_aplus, bfd_mach_mcf_isa_aplus_mac, bfd_mach_mcf_isa_aplus_emac, bfd_mach_mcf_isa_aplus_usp, bfd_mach_mcf_isa_aplus_usp_mac, bfd_mach_mcf_isa_aplus_usp_emac, bfd_mach_mcf_isa_b, bfd_mach_mcf_isa_b_mac, bfd_mach_mcf_isa_b_emac, bfd_mach_mcf_isa_b_usp_float, bfd_mach_mcf_isa_b_usp_float_mac, bfd_mach_mcf_isa_b_usp_float_emac): New. (bfd_default_scan): Update coldfire mapping. * bfd/bfd-in.h (bfd_m68k_mach_to_features, bfd_m68k_features_to_mach): Declare. * bfd/bfd-in2.h: Rebuilt. * bfd/cpu-m68k.c (arch_info_struct): Add new coldfire machines, adjust legacy names. (m68k_arch_features): New. (bfd_m68k_mach_to_features, bfd_m68k_features_to_mach): Define. * bfd/elf32-m68k.c (elf32_m68k_object_p): New. (elf32_m68k_merge_private_bfd_data): Merge the CF EF flags. (elf32_m68k_print_private_bfd_data): Print the CF EF flags. (elf_backend_object_p): Define. * bfd/ieee.c (ieee_write_processor): Update coldfire machines. * bfd/libbfd.h: Rebuilt. * gas/config/tc-m68k.c (mcf5208_control_regs, mcf5213_control_regs, mcf5329_control_regs): New. (not_current_architecture, selected_arch, selected_cpu): New. (m68k_archs, m68k_extensions): New. (archs): Renamed to ... (m68k_cpus): ... here. Adjust. (n_arches): Remove. (md_pseudo_table): Add arch and cpu directives. (find_cf_chip, m68k_ip): Adjust table scanning. (no_68851, no_68881): Remove. (md_assemble): Lazily initialize. (select_control_regs): Adjust cpu names. Add 5208, 5213, 5329. (md_init_after_args): Move functionality to m68k_init_arch. (mri_chip): Adjust table scanning. (md_parse_option): Reimplement 'm' processing to add -march & -mcpu options with saner parsing. (m68k_lookup_cpu, m68k_set_arch, m68k_set_cpu, m68k_set_extension, m68k_init_arch): New. (s_m68k_cpu, s_m68k_arch): New. (md_show_usage): Adjust. (m68k_elf_final_processing): Set CF EF flags. * gas/config/tc-m68k.h (m68k_init_after_args): Remove. (tc_init_after_args): Remove. * gas/doc/c-m68k.texi (M68K-Opts): Document -march, -mcpu options. (M68k-Directives): Document .arch and .cpu directives. * gas/testsuite/gas/m68k/all.exp: Add arch-cpu-1 test. * gas/testsuite/gas/m68k/arch-cpu-1.[sd]: New. * include/elf/m68k.h (EF_CPU32, EF_M68000, EF_CFV4E): Rename to ... (EF_M68K_CPU32, EF_M68K_M68000, EF_M68K_CFV4E): ... here. (EF_M68K_ISA_MASK, EF_M68K_ISA_A, EF_M68K_M68K_ISA_A_PLUS, EF_M68K_ISA_B, EF_M68K_HW_DIV, EF_M68K_MAC_MASK, EF_M68K_MAC, EF_M68K_EMAC, EF_M68K_USP, EF_M68K_FLOAT): New. * include/opcode/m68k.h (m68008, m68ec030, m68882): Remove. (m68k_mask): New. (cpu_m68k, cpu_cf): New. (mcf5200, mcf5206e, mcf521x, mcf5249, mcf528x, mcf5307, mcf5407, mcf5470, mcf5480): Rename to cpu_<foo>. Add m680x0 variants. * opcodes/m68k-dis.c (print_insn_m68k): Use bfd_m68k_mach_to_features. * binutils/readelf.c (get_machine_flags): Add logic for EF_M68K flags.
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/* We use the bottom 8 bits to encode information about the
coldfire variant. If we use any of these bits, the top 24 bits are
either 0 or EF_M68K_CFV4E. */
#define EF_M68K_CF_ISA_MASK 0x0F /* Which ISA */
#define EF_M68K_CF_ISA_A_NODIV 0x01 /* ISA A except for div */
#define EF_M68K_CF_ISA_A 0x02
#define EF_M68K_CF_ISA_A_PLUS 0x03
#define EF_M68K_CF_ISA_B_NOUSP 0x04 /* ISA_B except for USP */
#define EF_M68K_CF_ISA_B 0x05
#define EF_M68K_CF_ISA_C 0x06
#define EF_M68K_CF_ISA_C_NODIV 0x07 /* ISA C except for div */
#define EF_M68K_CF_MAC_MASK 0x30
#define EF_M68K_CF_MAC 0x10 /* MAC */
#define EF_M68K_CF_EMAC 0x20 /* EMAC */
#define EF_M68K_CF_EMAC_B 0x30 /* EMAC_B */
#define EF_M68K_CF_FLOAT 0x40 /* Has float insns */
* bfd/archures.c (bfd_mach_mcf5200, bfd_mach_mcf5206e, bfd_mach_mcf5307, bfd_mach_mcf5407, bfd_mach_mcf528x, bfd_mach_mcfv4e, bfd_mach_mcf521x, bfd_mach_mcf5249, bfd_mach_mcf547x, bfd_mach_mcf548x): Remove. (bfd_mach_mcf_isa_a, bfd_mach_mcf_isa_a_div, bfd_mach_mcf_isa_a_div_mac, bfd_mach_mcf_isa_a_div_emac, bfd_mach_mcf_isa_aplus, bfd_mach_mcf_isa_aplus_mac, bfd_mach_mcf_isa_aplus_emac, bfd_mach_mcf_isa_aplus_usp, bfd_mach_mcf_isa_aplus_usp_mac, bfd_mach_mcf_isa_aplus_usp_emac, bfd_mach_mcf_isa_b, bfd_mach_mcf_isa_b_mac, bfd_mach_mcf_isa_b_emac, bfd_mach_mcf_isa_b_usp_float, bfd_mach_mcf_isa_b_usp_float_mac, bfd_mach_mcf_isa_b_usp_float_emac): New. (bfd_default_scan): Update coldfire mapping. * bfd/bfd-in.h (bfd_m68k_mach_to_features, bfd_m68k_features_to_mach): Declare. * bfd/bfd-in2.h: Rebuilt. * bfd/cpu-m68k.c (arch_info_struct): Add new coldfire machines, adjust legacy names. (m68k_arch_features): New. (bfd_m68k_mach_to_features, bfd_m68k_features_to_mach): Define. * bfd/elf32-m68k.c (elf32_m68k_object_p): New. (elf32_m68k_merge_private_bfd_data): Merge the CF EF flags. (elf32_m68k_print_private_bfd_data): Print the CF EF flags. (elf_backend_object_p): Define. * bfd/ieee.c (ieee_write_processor): Update coldfire machines. * bfd/libbfd.h: Rebuilt. * gas/config/tc-m68k.c (mcf5208_control_regs, mcf5213_control_regs, mcf5329_control_regs): New. (not_current_architecture, selected_arch, selected_cpu): New. (m68k_archs, m68k_extensions): New. (archs): Renamed to ... (m68k_cpus): ... here. Adjust. (n_arches): Remove. (md_pseudo_table): Add arch and cpu directives. (find_cf_chip, m68k_ip): Adjust table scanning. (no_68851, no_68881): Remove. (md_assemble): Lazily initialize. (select_control_regs): Adjust cpu names. Add 5208, 5213, 5329. (md_init_after_args): Move functionality to m68k_init_arch. (mri_chip): Adjust table scanning. (md_parse_option): Reimplement 'm' processing to add -march & -mcpu options with saner parsing. (m68k_lookup_cpu, m68k_set_arch, m68k_set_cpu, m68k_set_extension, m68k_init_arch): New. (s_m68k_cpu, s_m68k_arch): New. (md_show_usage): Adjust. (m68k_elf_final_processing): Set CF EF flags. * gas/config/tc-m68k.h (m68k_init_after_args): Remove. (tc_init_after_args): Remove. * gas/doc/c-m68k.texi (M68K-Opts): Document -march, -mcpu options. (M68k-Directives): Document .arch and .cpu directives. * gas/testsuite/gas/m68k/all.exp: Add arch-cpu-1 test. * gas/testsuite/gas/m68k/arch-cpu-1.[sd]: New. * include/elf/m68k.h (EF_CPU32, EF_M68000, EF_CFV4E): Rename to ... (EF_M68K_CPU32, EF_M68K_M68000, EF_M68K_CFV4E): ... here. (EF_M68K_ISA_MASK, EF_M68K_ISA_A, EF_M68K_M68K_ISA_A_PLUS, EF_M68K_ISA_B, EF_M68K_HW_DIV, EF_M68K_MAC_MASK, EF_M68K_MAC, EF_M68K_EMAC, EF_M68K_USP, EF_M68K_FLOAT): New. * include/opcode/m68k.h (m68008, m68ec030, m68882): Remove. (m68k_mask): New. (cpu_m68k, cpu_cf): New. (mcf5200, mcf5206e, mcf521x, mcf5249, mcf528x, mcf5307, mcf5407, mcf5470, mcf5480): Rename to cpu_<foo>. Add m680x0 variants. * opcodes/m68k-dis.c (print_insn_m68k): Use bfd_m68k_mach_to_features. * binutils/readelf.c (get_machine_flags): Add logic for EF_M68K flags.
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#define EF_M68K_CF_MASK 0xFF
#endif