binutils-gdb/gas/config/m68k-parse.h

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/* m68k-parse.h -- header file for m68k assembler
Copyright (C) 1987-2020 Free Software Foundation, Inc.
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This file is part of GAS, the GNU Assembler.
GAS 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, or (at your option)
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any later version.
GAS 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 GAS; see the file COPYING. If not, write to the Free
Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
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#ifndef M68K_PARSE_H
#define M68K_PARSE_H
/* This header file defines things which are shared between the
operand parser in m68k.y and the m68k assembler proper in
tc-m68k.c. */
/* The various m68k registers. */
/* DATA and ADDR have to be contiguous, so that reg-DATA gives
0-7==data reg, 8-15==addr reg for operands that take both types.
We don't use forms like "ADDR0 = ADDR" here because this file is
likely to be used on an Apollo, and the broken Apollo compiler
gives an `undefined variable' error if we do that, according to
troy@cbme.unsw.edu.au. */
#define DATA DATA0
#define ADDR ADDR0
#define SP ADDR7
#define BAD BAD0
#define BAC BAC0
enum m68k_register
{
DATA0 = 1, /* 1- 8 == data registers 0-7 */
DATA1,
DATA2,
DATA3,
DATA4,
DATA5,
DATA6,
DATA7,
ADDR0,
ADDR1,
ADDR2,
ADDR3,
ADDR4,
ADDR5,
ADDR6,
ADDR7,
FP0, /* Eight FP registers */
FP1,
FP2,
FP3,
FP4,
FP5,
FP6,
FP7,
COP0, /* Co-processor #0-#7 */
COP1,
COP2,
COP3,
COP4,
COP5,
COP6,
COP7,
PC, /* Program counter */
ZPC, /* Hack for Program space, but 0 addressing */
SR, /* Status Reg */
CCR, /* Condition code Reg */
ACC, /* Accumulator Reg0 (EMAC or ACC on MAC). */
ACC1, /* Accumulator Reg 1 (EMAC). */
ACC2, /* Accumulator Reg 2 (EMAC). */
ACC3, /* Accumulator Reg 3 (EMAC). */
ACCEXT01, /* Accumulator extension 0&1 (EMAC). */
ACCEXT23, /* Accumulator extension 2&3 (EMAC). */
MACSR, /* MAC Status Reg */
MASK, /* Modulus Reg */
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/* These have to be grouped together for the movec instruction to work. */
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USP, /* User Stack Pointer */
ISP, /* Interrupt stack pointer */
SFC,
DFC,
CACR,
VBR,
CAAR,
CPUCR,
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MSP,
ITT0,
ITT1,
DTT0,
DTT1,
MMUSR,
TC,
SRP,
URP,
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BUSCR, /* 68060 added these. */
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PCR,
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ROMBAR, /* mcf5200 added these. */
RAMBAR_ALT, /* Some CF chips have RAMBAR using
RAMBAR0's number */
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RAMBAR0,
RAMBAR1,
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MMUBAR, /* mcfv4e added these. */
ROMBAR0, /* mcfv4e added these. */
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ROMBAR1, /* mcfv4e added these. */
MPCR, EDRAMBAR, SECMBAR, /* mcfv4e added these. */
PCR1U0, PCR1L0, PCR1U1, PCR1L1,/* mcfv4e added these. */
PCR2U0, PCR2L0, PCR2U1, PCR2L1,/* mcfv4e added these. */
PCR3U0, PCR3L0, PCR3U1, PCR3L1,/* mcfv4e added these. */
MBAR0, MBAR1, /* mcfv4e added these. */
ACR0, ACR1, ACR2, ACR3, /* mcf5200 added these. */
ACR4, ACR5, ACR6, ACR7, /* mcf54418 added these. */
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FLASHBAR, RAMBAR, /* mcf528x added these. */
MBAR2, /* mcf5249 added this. */
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MBAR,
RGPIOBAR, /* mcf54418 added this. */
ASID, /* m5475. */
CAC, /* fido added this. */
MBO,
#define last_movec_reg MBO
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/* End of movec ordering constraints. */
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FPI,
FPS,
FPC,
DRP, /* 68851 or 68030 MMU regs */
CRP,
CAL,
VAL,
SCC,
AC,
BAD0,
BAD1,
BAD2,
BAD3,
BAD4,
BAD5,
BAD6,
BAD7,
BAC0,
BAC1,
BAC2,
BAC3,
BAC4,
BAC5,
BAC6,
BAC7,
PSR, /* aka MMUSR on 68030 (but not MMUSR on 68040)
and ACUSR on 68ec030 */
PCSR,
IC, /* instruction cache token */
DC, /* data cache token */
NC, /* no cache token */
BC, /* both caches token */
TT0, /* 68030 access control unit regs */
TT1,
ZDATA0, /* suppressed data registers. */
ZDATA1,
ZDATA2,
ZDATA3,
ZDATA4,
ZDATA5,
ZDATA6,
ZDATA7,
ZADDR0, /* suppressed address registers. */
ZADDR1,
ZADDR2,
ZADDR3,
ZADDR4,
ZADDR5,
ZADDR6,
ZADDR7,
/* Upper and lower half of data and address registers. Order *must*
be DATAxL, ADDRxL, DATAxU, ADDRxU. */
DATA0L, /* lower half of data registers */
DATA1L,
DATA2L,
DATA3L,
DATA4L,
DATA5L,
DATA6L,
DATA7L,
ADDR0L, /* lower half of address registers */
ADDR1L,
ADDR2L,
ADDR3L,
ADDR4L,
ADDR5L,
ADDR6L,
ADDR7L,
DATA0U, /* upper half of data registers */
DATA1U,
DATA2U,
DATA3U,
DATA4U,
DATA5U,
DATA6U,
DATA7U,
ADDR0U, /* upper half of address registers */
ADDR1U,
ADDR2U,
ADDR3U,
ADDR4U,
ADDR5U,
ADDR6U,
ADDR7U,
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};
/* Size information. */
enum m68k_size
{
/* Unspecified. */
SIZE_UNSPEC,
/* Byte. */
SIZE_BYTE,
/* Word (2 bytes). */
SIZE_WORD,
/* Longword (4 bytes). */
SIZE_LONG
};
/* The structure used to hold information about an index register. */
struct m68k_indexreg
{
/* The index register itself. */
enum m68k_register reg;
/* The size to use. */
enum m68k_size size;
/* The value to scale by. */
int scale;
};
#ifdef OBJ_ELF
/* The type of a PIC expression. */
enum pic_relocation
{
pic_none, /* not pic */
pic_plt_pcrel, /* @PLTPC */
pic_got_pcrel, /* @GOTPC */
pic_plt_off, /* @PLT */
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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pic_got_off, /* @GOT */
pic_tls_gd, /* @TLSGD */
pic_tls_ldm, /* @TLSLDM */
pic_tls_ldo, /* @TLSLDO */
pic_tls_ie, /* @TLSIE */
pic_tls_le /* @TLSLE */
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};
#endif
/* The structure used to hold information about an expression. */
struct m68k_exp
{
/* The size to use. */
enum m68k_size size;
#ifdef OBJ_ELF
/* The type of pic relocation if any. */
enum pic_relocation pic_reloc;
#endif
/* The expression itself. */
expressionS exp;
};
/* The operand modes. */
enum m68k_operand_type
{
IMMED = 1,
ABSL,
DREG,
AREG,
FPREG,
CONTROL,
AINDR,
AINC,
ADEC,
DISP,
BASE,
POST,
PRE,
LSH, /* MAC/EMAC scalefactor '<<'. */
RSH, /* MAC/EMAC scalefactor '>>'. */
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REGLST
};
/* The structure used to hold a parsed operand. */
struct m68k_op
{
/* The type of operand. */
enum m68k_operand_type mode;
/* The main register. */
enum m68k_register reg;
/* The register mask for mode REGLST. */
unsigned long mask;
/* An error message. */
const char *error;
/* The index register. */
struct m68k_indexreg index;
/* The displacement. */
struct m68k_exp disp;
/* The outer displacement. */
struct m68k_exp odisp;
/* Is a trailing '&' added to an <ea>? (for MAC/EMAC mask addressing). */
int trailing_ampersand;
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};
#endif /* ! defined (M68K_PARSE_H) */
/* The parsing function. */
extern int m68k_ip_op (char *, struct m68k_op *);
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/* Whether register prefixes are optional. */
extern int flag_reg_prefix_optional;