From d031aafbfe54750209d9100477ce17193d8b0175 Mon Sep 17 00:00:00 2001 From: Nathan Sidwell Date: Fri, 16 Dec 2005 10:23:12 +0000 Subject: Second part of ms1 to mt renaming. * bfd/archures.c (bfd_arch_mt): Renamed. (bfd_mt_arch): Renamed. (bfd_archures_list): Adjusted. * bfd/bfd-in2.h: Rebuilt. * bfd/config.bfd (mt): Remove special case targ_archs. (mt-*-elf): Rename bfd_elf32_mt_vec. * bfd/configure: Rebuilt. * bfd/configure.in (bfd_elf32_mt_vec): Renamed. (selarchs) Remove mt special case. * bfd/cpu-mt.c (arch_info_struct): Adjust. (bfd_mt_arch): Renamed, adjust. * bfd/elf32-mt.c (mt_reloc_type_lookup, mt_info_to_howto_rela, mt_elf_relocate_hi16, mt_final_link_relocate, mt_relocate_section, mt_elf_howto_table): Renamed, adjusted. (mt_elf_gc_mark_hook, mt_elf_gc_sweep_hook, mt_elf_check_relocs, elf32_mt_machine, mt_elf_object_p, mt_elf_set_private_flags, mt_elf_copy_private_bfd_data, mt_elf_merge_private_bfd_data, mt_elf_print_private_bfd_data): Renamed, adjusted. (TARGET_BIG_SYM, TARGET_BIG_NAME, ELF_ARCH, ELF_MACHINE_CODE, ELF_MAXPAGESIZE, elf_info_to_howto, elf_backend_relocate_section, bfd_elf32_bfd_reloc_type_lookup, elf_backend_gc_mark_hook, elf_backend_gc_sweep_hook, elf_backend_check_relocs, eld_backend_object_p, bfd_elf32_bfd_set_private_flags, bfd_elf32_bfd_copy_private_bfd_data, bfd_elf32_bfd_merge_private_bfd_data, bfd_elf32_bfd_print_private_bfd_data): Adjusted. * bfd/libbfd.h: Regenerated. * bfd/reloc.c (BFD_RELOC_MT_PC16, BFD_RELOC_MT_HI16, BFD_RELOC_MT_LO16, BFD_RELOC_MT_GNU_VTINHERIT, BFD_RELOC_MT_GNU_VTENTRY, BFD_RELOC_MT_PCINSN8): Renamed. * bfd/targets.c (bfd_elf32_mt_vec): Renamed. (_bfd_target_vector): Adjusted. * binutils/readelf.c (guess_is_rela): Use EM_MT. (dump_relocations, get_machine_name): Adjust. * cpu/mt.cpu (define-arch, define-isa): Set name to mt. (define-mach): Adjust. * cpu/mt.opc (CGEN_ASM_HASH): Update. (mt_asm_hash, mt_cgen_insn_supported): Renamed. (parse_loopsize, parse_imm16): Adjust. * gas/configure: Rebuilt. * gas/configure.in (mt): Remove special case. * gas/config/tc-mt.c (opcodes/mt-desc.h, opcodes/mt-opc.h): Change #includes. (mt_insn, mt_mach, mt_mach_bitmask, mt_flags, mt_architectures): Rename, adjust. (md_parse_option, md_show_usage, md_begin, md_assemble, md_cgen_lookup_reloc, md_atof): Adjust. (mt_force_relocation, mt_apply_fix, mt_fix_adjustable): Rename, adjust. * gas/config/tc-mt.h (TC_MT): Rename. (LISTING_HEADER, TARGET_ARCH, TARGET_FORMAT): Adjust. (md_apply_fix): Adjust. (mt_apply_fix, mt_fix_adjustable, mt_force_relocation): Rename. (TC_FORCE_RELOCATION, tc_fix_adjustable): Adjust. * gdb/mt-tdep.c (mt_arch_constants, mt_gdb_regnums): Rename, adjust. (mt_register_name, mt_register_type, mt_register_reggroup_p, mt_return_value, mt_skip_prologue, mt_breapoint_from_pc, mt_pseudo_register_read, mt_pseudo_register_write, mt_frame_align, mt_registers_info, mt_push_dummy_call, mt_unwind_cache, mt_frame_unwind_cache, mt_unwind_pc, mt_unwind_dummy_id, mt_frame_this_id, mt_frame_prev_register, mt_frame_base_address, mt_frame_unwind, mt_frame_sniffer, mt_frame_base, mt_gdbarch_init, _initialize_mt_tdep): Rename & adjust. * include/dis-asm.h (print_insn_mt): Renamed. * include/elf/common.h (EM_MT): Renamed. * include/elf/mt.h: Rename relocs, cpu & other defines. * ld/emulparams/elf32mt.sh (ARCH, OUTPUT_FORMAT): Adjust. * opcodes/Makefile.am (HFILES, CFILES, ALL_MACHINES): Adjust. (stamp-mt): Adjust rule. (mt-asm.lo, mt-desc.lo, mt-dis.lo, mt-ibld.lo, mt-opc.lo): Rename & adjust. * opcodes/Makefile.in: Rebuilt. * opcodes/configure: Rebuilt. * opcodes/configure.in (bfd_mt_arch): Rename & adjust. * opcodes/disassemble.c (ARCH_mt): Renamed. (disassembler): Adjust. * opcodes/mt-asm.c: Renamed, rebuilt. * opcodes/mt-desc.c: Renamed, rebuilt. * opcodes/mt-desc.h: Renamed, rebuilt. * opcodes/mt-dis.c: Renamed, rebuilt. * opcodes/mt-ibld.c: Renamed, rebuilt. * opcodes/mt-opc.c: Renamed, rebuilt. * opcodes/mt-opc.h: Renamed, rebuilt. * sid/Makefile.in: Rebuilt. * sid/aclocal.m4: Rebuilt. * sid/configure: Rebuilt. * sid/sid.spec: Adjust. * sid/bsp/Makefile.am: Adjust. * sid/bsp/Makefile.in: Rebuilt. * sid/bsp/aclocal.m4: Rebuilt. * sid/bsp/configrun-sid.in: Adjust. * sid/bsp/pregen/Makefile.in: Rebuilt. * sid/bsp/pregen/mt-gdb.conf: Renamed & rebuilt. * sid/bsp/pregen/mt-gloss.conf: Renamed & rebuilt. * sid/bsp/pregen/pregen-configs.in: Adjust. * sid/component/aclocal.m4: Rebuilt. * sid/component/configure: Rebuilt. * sid/component/tconfig.in: Adjust. * sid/component/bochs/aclocal.m4: Rebuilt. * sid/component/cache/Makefile.in: Rebuilt. * sid/component/cgen-cpu/Makefile.in: Rebuilt. * sid/component/cgen-cpu/aclocal.m4: Rebuilt. * sid/component/cgen-cpu/compCGEN.cxx: Adjust. * sid/component/cgen-cpu/configure: Rebuilt. * sid/component/cgen-cpu/configure.in: Rebult. * sid/component/cgen-cpu/mt/Makefile.am: Adjust. * sid/component/cgen-cpu/mt/Makefile.in: Rebuilt. * sid/component/cgen-cpu/mt/hw-cpu-mt.txt: Adjust. * sid/component/cgen-cpu/mt/mt-cpu.h: Rebuilt. * sid/component/cgen-cpu/mt/mt-decode.cxx: Rebuilt. * sid/component/cgen-cpu/mt/mt-decode.h: Rebuilt. * sid/component/cgen-cpu/mt/mt-defs.h: Rebuilt. * sid/component/cgen-cpu/mt/mt-desc.h: Rebuilt. * sid/component/cgen-cpu/mt/mt-sem.cxx: Rebuilt. * sid/component/cgen-cpu/mt/mt-write.cxx: Rebuilt. * sid/component/cgen-cpu/mt/mt.cxx: Adjust. * sid/component/cgen-cpu/mt/mt.h: Adjust. * sid/component/consoles/Makefile.in: Rebuilt. * sid/component/families/aclocal.m4: Rebuilt. * sid/component/families/configure: Rebuilt. * sid/component/gdb/Makefile.in: Rebuilt. * sid/component/gloss/Makefile.in: Rebuilt. * sid/component/glue/Makefile.in: Rebuilt. * sid/component/ide/Makefile.in: Rebuilt. * sid/component/interrupt/Makefile.in: Rebuilt. * sid/component/lcd/Makefile.in: Rebuilt. * sid/component/lcd/testsuite/Makefile.in: Rebuilt. * sid/component/loader/Makefile.am: Rebuilt. * sid/component/loader/Makefile.in: Rebuilt. * sid/component/mapper/Makefile.in: Rebuilt. * sid/component/mapper/testsuite/Makefile.in: Rebuilt. * sid/component/memory/Makefile.in: Rebuilt. * sid/component/mmu/Makefile.in: Rebuilt. * sid/component/parport/Makefile.in: Rebuilt. * sid/component/profiling/Makefile.in: Rebuilt. * sid/component/rtc/Makefile.in: Rebuilt. * sid/component/sched/Makefile.in: Rebuilt. * sid/component/testsuite/Makefile.in: Rebuilt. * sid/component/timers/aclocal.m4: Rebuilt. * sid/component/timers/configure: Rebuilt. * sid/component/uart/Makefile.in: Rebuilt. * sid/component/uart/testsuite/Makefile.in: Rebuilt. * sid/config/config.sub: Adjust. * sid/config/info.tcl.in: Adjust. * sid/config/sidtargets.m4: Adjust. * sid/doc/Makefile.in: Rebuilt. * sid/main/dynamic/Makefile.am: Rebuilt. * sid/main/dynamic/Makefile.in: Rebuilt. * sid/main/dynamic/aclocal.m4: Rebuilt. * sid/main/dynamic/configure: Rebuilt. --- opcodes/mt-desc.c | 1332 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1332 insertions(+) create mode 100644 opcodes/mt-desc.c (limited to 'opcodes/mt-desc.c') diff --git a/opcodes/mt-desc.c b/opcodes/mt-desc.c new file mode 100644 index 0000000..4bda146 --- /dev/null +++ b/opcodes/mt-desc.c @@ -0,0 +1,1332 @@ +/* CPU data for mt. + +THIS FILE IS MACHINE GENERATED WITH CGEN. + +Copyright 1996-2005 Free Software Foundation, Inc. + +This file is part of the GNU Binutils and/or GDB, the GNU debugger. + +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 2, 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, write to the Free Software Foundation, Inc., +51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. + +*/ + +#include "sysdep.h" +#include +#include +#include "ansidecl.h" +#include "bfd.h" +#include "symcat.h" +#include "mt-desc.h" +#include "mt-opc.h" +#include "opintl.h" +#include "libiberty.h" +#include "xregex.h" + +/* Attributes. */ + +static const CGEN_ATTR_ENTRY bool_attr[] = +{ + { "#f", 0 }, + { "#t", 1 }, + { 0, 0 } +}; + +static const CGEN_ATTR_ENTRY MACH_attr[] ATTRIBUTE_UNUSED = +{ + { "base", MACH_BASE }, + { "ms1", MACH_MS1 }, + { "ms1_003", MACH_MS1_003 }, + { "ms2", MACH_MS2 }, + { "max", MACH_MAX }, + { 0, 0 } +}; + +static const CGEN_ATTR_ENTRY ISA_attr[] ATTRIBUTE_UNUSED = +{ + { "mt", ISA_MT }, + { "max", ISA_MAX }, + { 0, 0 } +}; + +const CGEN_ATTR_TABLE mt_cgen_ifield_attr_table[] = +{ + { "MACH", & MACH_attr[0], & MACH_attr[0] }, + { "VIRTUAL", &bool_attr[0], &bool_attr[0] }, + { "PCREL-ADDR", &bool_attr[0], &bool_attr[0] }, + { "ABS-ADDR", &bool_attr[0], &bool_attr[0] }, + { "RESERVED", &bool_attr[0], &bool_attr[0] }, + { "SIGN-OPT", &bool_attr[0], &bool_attr[0] }, + { "SIGNED", &bool_attr[0], &bool_attr[0] }, + { 0, 0, 0 } +}; + +const CGEN_ATTR_TABLE mt_cgen_hardware_attr_table[] = +{ + { "MACH", & MACH_attr[0], & MACH_attr[0] }, + { "VIRTUAL", &bool_attr[0], &bool_attr[0] }, + { "CACHE-ADDR", &bool_attr[0], &bool_attr[0] }, + { "PC", &bool_attr[0], &bool_attr[0] }, + { "PROFILE", &bool_attr[0], &bool_attr[0] }, + { 0, 0, 0 } +}; + +const CGEN_ATTR_TABLE mt_cgen_operand_attr_table[] = +{ + { "MACH", & MACH_attr[0], & MACH_attr[0] }, + { "VIRTUAL", &bool_attr[0], &bool_attr[0] }, + { "PCREL-ADDR", &bool_attr[0], &bool_attr[0] }, + { "ABS-ADDR", &bool_attr[0], &bool_attr[0] }, + { "SIGN-OPT", &bool_attr[0], &bool_attr[0] }, + { "SIGNED", &bool_attr[0], &bool_attr[0] }, + { "NEGATIVE", &bool_attr[0], &bool_attr[0] }, + { "RELAX", &bool_attr[0], &bool_attr[0] }, + { "SEM-ONLY", &bool_attr[0], &bool_attr[0] }, + { 0, 0, 0 } +}; + +const CGEN_ATTR_TABLE mt_cgen_insn_attr_table[] = +{ + { "MACH", & MACH_attr[0], & MACH_attr[0] }, + { "ALIAS", &bool_attr[0], &bool_attr[0] }, + { "VIRTUAL", &bool_attr[0], &bool_attr[0] }, + { "UNCOND-CTI", &bool_attr[0], &bool_attr[0] }, + { "COND-CTI", &bool_attr[0], &bool_attr[0] }, + { "SKIP-CTI", &bool_attr[0], &bool_attr[0] }, + { "DELAY-SLOT", &bool_attr[0], &bool_attr[0] }, + { "RELAXABLE", &bool_attr[0], &bool_attr[0] }, + { "RELAXED", &bool_attr[0], &bool_attr[0] }, + { "NO-DIS", &bool_attr[0], &bool_attr[0] }, + { "PBB", &bool_attr[0], &bool_attr[0] }, + { "LOAD-DELAY", &bool_attr[0], &bool_attr[0] }, + { "MEMORY-ACCESS", &bool_attr[0], &bool_attr[0] }, + { "AL-INSN", &bool_attr[0], &bool_attr[0] }, + { "IO-INSN", &bool_attr[0], &bool_attr[0] }, + { "BR-INSN", &bool_attr[0], &bool_attr[0] }, + { "JAL-HAZARD", &bool_attr[0], &bool_attr[0] }, + { "USES-FRDR", &bool_attr[0], &bool_attr[0] }, + { "USES-FRDRRR", &bool_attr[0], &bool_attr[0] }, + { "USES-FRSR1", &bool_attr[0], &bool_attr[0] }, + { "USES-FRSR2", &bool_attr[0], &bool_attr[0] }, + { "SKIPA", &bool_attr[0], &bool_attr[0] }, + { 0, 0, 0 } +}; + +/* Instruction set variants. */ + +static const CGEN_ISA mt_cgen_isa_table[] = { + { "mt", 32, 32, 32, 32 }, + { 0, 0, 0, 0, 0 } +}; + +/* Machine variants. */ + +static const CGEN_MACH mt_cgen_mach_table[] = { + { "ms1", "ms1", MACH_MS1, 0 }, + { "ms1-003", "ms1-003", MACH_MS1_003, 0 }, + { "ms2", "ms2", MACH_MS2, 0 }, + { 0, 0, 0, 0 } +}; + +static CGEN_KEYWORD_ENTRY mt_cgen_opval_msys_syms_entries[] = +{ + { "DUP", 1, {0, {{{0, 0}}}}, 0, 0 }, + { "XX", 0, {0, {{{0, 0}}}}, 0, 0 } +}; + +CGEN_KEYWORD mt_cgen_opval_msys_syms = +{ + & mt_cgen_opval_msys_syms_entries[0], + 2, + 0, 0, 0, 0, "" +}; + +static CGEN_KEYWORD_ENTRY mt_cgen_opval_h_spr_entries[] = +{ + { "R0", 0, {0, {{{0, 0}}}}, 0, 0 }, + { "R1", 1, {0, {{{0, 0}}}}, 0, 0 }, + { "R2", 2, {0, {{{0, 0}}}}, 0, 0 }, + { "R3", 3, {0, {{{0, 0}}}}, 0, 0 }, + { "R4", 4, {0, {{{0, 0}}}}, 0, 0 }, + { "R5", 5, {0, {{{0, 0}}}}, 0, 0 }, + { "R6", 6, {0, {{{0, 0}}}}, 0, 0 }, + { "R7", 7, {0, {{{0, 0}}}}, 0, 0 }, + { "R8", 8, {0, {{{0, 0}}}}, 0, 0 }, + { "R9", 9, {0, {{{0, 0}}}}, 0, 0 }, + { "R10", 10, {0, {{{0, 0}}}}, 0, 0 }, + { "R11", 11, {0, {{{0, 0}}}}, 0, 0 }, + { "R12", 12, {0, {{{0, 0}}}}, 0, 0 }, + { "fp", 12, {0, {{{0, 0}}}}, 0, 0 }, + { "R13", 13, {0, {{{0, 0}}}}, 0, 0 }, + { "sp", 13, {0, {{{0, 0}}}}, 0, 0 }, + { "R14", 14, {0, {{{0, 0}}}}, 0, 0 }, + { "ra", 14, {0, {{{0, 0}}}}, 0, 0 }, + { "R15", 15, {0, {{{0, 0}}}}, 0, 0 }, + { "ira", 15, {0, {{{0, 0}}}}, 0, 0 } +}; + +CGEN_KEYWORD mt_cgen_opval_h_spr = +{ + & mt_cgen_opval_h_spr_entries[0], + 20, + 0, 0, 0, 0, "" +}; + + +/* The hardware table. */ + +#if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE) +#define A(a) (1 << CGEN_HW_##a) +#else +#define A(a) (1 << CGEN_HW_/**/a) +#endif + +const CGEN_HW_ENTRY mt_cgen_hw_table[] = +{ + { "h-memory", HW_H_MEMORY, CGEN_ASM_NONE, 0, { 0, { { { (1<name) + { + if (strcmp (name, table->bfd_name) == 0) + return table; + ++table; + } + abort (); +} + +/* Subroutine of mt_cgen_cpu_open to build the hardware table. */ + +static void +build_hw_table (CGEN_CPU_TABLE *cd) +{ + int i; + int machs = cd->machs; + const CGEN_HW_ENTRY *init = & mt_cgen_hw_table[0]; + /* MAX_HW is only an upper bound on the number of selected entries. + However each entry is indexed by it's enum so there can be holes in + the table. */ + const CGEN_HW_ENTRY **selected = + (const CGEN_HW_ENTRY **) xmalloc (MAX_HW * sizeof (CGEN_HW_ENTRY *)); + + cd->hw_table.init_entries = init; + cd->hw_table.entry_size = sizeof (CGEN_HW_ENTRY); + memset (selected, 0, MAX_HW * sizeof (CGEN_HW_ENTRY *)); + /* ??? For now we just use machs to determine which ones we want. */ + for (i = 0; init[i].name != NULL; ++i) + if (CGEN_HW_ATTR_VALUE (&init[i], CGEN_HW_MACH) + & machs) + selected[init[i].type] = &init[i]; + cd->hw_table.entries = selected; + cd->hw_table.num_entries = MAX_HW; +} + +/* Subroutine of mt_cgen_cpu_open to build the hardware table. */ + +static void +build_ifield_table (CGEN_CPU_TABLE *cd) +{ + cd->ifld_table = & mt_cgen_ifld_table[0]; +} + +/* Subroutine of mt_cgen_cpu_open to build the hardware table. */ + +static void +build_operand_table (CGEN_CPU_TABLE *cd) +{ + int i; + int machs = cd->machs; + const CGEN_OPERAND *init = & mt_cgen_operand_table[0]; + /* MAX_OPERANDS is only an upper bound on the number of selected entries. + However each entry is indexed by it's enum so there can be holes in + the table. */ + const CGEN_OPERAND **selected = xmalloc (MAX_OPERANDS * sizeof (* selected)); + + cd->operand_table.init_entries = init; + cd->operand_table.entry_size = sizeof (CGEN_OPERAND); + memset (selected, 0, MAX_OPERANDS * sizeof (CGEN_OPERAND *)); + /* ??? For now we just use mach to determine which ones we want. */ + for (i = 0; init[i].name != NULL; ++i) + if (CGEN_OPERAND_ATTR_VALUE (&init[i], CGEN_OPERAND_MACH) + & machs) + selected[init[i].type] = &init[i]; + cd->operand_table.entries = selected; + cd->operand_table.num_entries = MAX_OPERANDS; +} + +/* Subroutine of mt_cgen_cpu_open to build the hardware table. + ??? This could leave out insns not supported by the specified mach/isa, + but that would cause errors like "foo only supported by bar" to become + "unknown insn", so for now we include all insns and require the app to + do the checking later. + ??? On the other hand, parsing of such insns may require their hardware or + operand elements to be in the table [which they mightn't be]. */ + +static void +build_insn_table (CGEN_CPU_TABLE *cd) +{ + int i; + const CGEN_IBASE *ib = & mt_cgen_insn_table[0]; + CGEN_INSN *insns = xmalloc (MAX_INSNS * sizeof (CGEN_INSN)); + + memset (insns, 0, MAX_INSNS * sizeof (CGEN_INSN)); + for (i = 0; i < MAX_INSNS; ++i) + insns[i].base = &ib[i]; + cd->insn_table.init_entries = insns; + cd->insn_table.entry_size = sizeof (CGEN_IBASE); + cd->insn_table.num_init_entries = MAX_INSNS; +} + +/* Subroutine of mt_cgen_cpu_open to rebuild the tables. */ + +static void +mt_cgen_rebuild_tables (CGEN_CPU_TABLE *cd) +{ + int i; + CGEN_BITSET *isas = cd->isas; + unsigned int machs = cd->machs; + + cd->int_insn_p = CGEN_INT_INSN_P; + + /* Data derived from the isa spec. */ +#define UNSET (CGEN_SIZE_UNKNOWN + 1) + cd->default_insn_bitsize = UNSET; + cd->base_insn_bitsize = UNSET; + cd->min_insn_bitsize = 65535; /* Some ridiculously big number. */ + cd->max_insn_bitsize = 0; + for (i = 0; i < MAX_ISAS; ++i) + if (cgen_bitset_contains (isas, i)) + { + const CGEN_ISA *isa = & mt_cgen_isa_table[i]; + + /* Default insn sizes of all selected isas must be + equal or we set the result to 0, meaning "unknown". */ + if (cd->default_insn_bitsize == UNSET) + cd->default_insn_bitsize = isa->default_insn_bitsize; + else if (isa->default_insn_bitsize == cd->default_insn_bitsize) + ; /* This is ok. */ + else + cd->default_insn_bitsize = CGEN_SIZE_UNKNOWN; + + /* Base insn sizes of all selected isas must be equal + or we set the result to 0, meaning "unknown". */ + if (cd->base_insn_bitsize == UNSET) + cd->base_insn_bitsize = isa->base_insn_bitsize; + else if (isa->base_insn_bitsize == cd->base_insn_bitsize) + ; /* This is ok. */ + else + cd->base_insn_bitsize = CGEN_SIZE_UNKNOWN; + + /* Set min,max insn sizes. */ + if (isa->min_insn_bitsize < cd->min_insn_bitsize) + cd->min_insn_bitsize = isa->min_insn_bitsize; + if (isa->max_insn_bitsize > cd->max_insn_bitsize) + cd->max_insn_bitsize = isa->max_insn_bitsize; + } + + /* Data derived from the mach spec. */ + for (i = 0; i < MAX_MACHS; ++i) + if (((1 << i) & machs) != 0) + { + const CGEN_MACH *mach = & mt_cgen_mach_table[i]; + + if (mach->insn_chunk_bitsize != 0) + { + if (cd->insn_chunk_bitsize != 0 && cd->insn_chunk_bitsize != mach->insn_chunk_bitsize) + { + fprintf (stderr, "mt_cgen_rebuild_tables: conflicting insn-chunk-bitsize values: `%d' vs. `%d'\n", + cd->insn_chunk_bitsize, mach->insn_chunk_bitsize); + abort (); + } + + cd->insn_chunk_bitsize = mach->insn_chunk_bitsize; + } + } + + /* Determine which hw elements are used by MACH. */ + build_hw_table (cd); + + /* Build the ifield table. */ + build_ifield_table (cd); + + /* Determine which operands are used by MACH/ISA. */ + build_operand_table (cd); + + /* Build the instruction table. */ + build_insn_table (cd); +} + +/* Initialize a cpu table and return a descriptor. + It's much like opening a file, and must be the first function called. + The arguments are a set of (type/value) pairs, terminated with + CGEN_CPU_OPEN_END. + + Currently supported values: + CGEN_CPU_OPEN_ISAS: bitmap of values in enum isa_attr + CGEN_CPU_OPEN_MACHS: bitmap of values in enum mach_attr + CGEN_CPU_OPEN_BFDMACH: specify 1 mach using bfd name + CGEN_CPU_OPEN_ENDIAN: specify endian choice + CGEN_CPU_OPEN_END: terminates arguments + + ??? Simultaneous multiple isas might not make sense, but it's not (yet) + precluded. + + ??? We only support ISO C stdargs here, not K&R. + Laziness, plus experiment to see if anything requires K&R - eventually + K&R will no longer be supported - e.g. GDB is currently trying this. */ + +CGEN_CPU_DESC +mt_cgen_cpu_open (enum cgen_cpu_open_arg arg_type, ...) +{ + CGEN_CPU_TABLE *cd = (CGEN_CPU_TABLE *) xmalloc (sizeof (CGEN_CPU_TABLE)); + static int init_p; + CGEN_BITSET *isas = 0; /* 0 = "unspecified" */ + unsigned int machs = 0; /* 0 = "unspecified" */ + enum cgen_endian endian = CGEN_ENDIAN_UNKNOWN; + va_list ap; + + if (! init_p) + { + init_tables (); + init_p = 1; + } + + memset (cd, 0, sizeof (*cd)); + + va_start (ap, arg_type); + while (arg_type != CGEN_CPU_OPEN_END) + { + switch (arg_type) + { + case CGEN_CPU_OPEN_ISAS : + isas = va_arg (ap, CGEN_BITSET *); + break; + case CGEN_CPU_OPEN_MACHS : + machs = va_arg (ap, unsigned int); + break; + case CGEN_CPU_OPEN_BFDMACH : + { + const char *name = va_arg (ap, const char *); + const CGEN_MACH *mach = + lookup_mach_via_bfd_name (mt_cgen_mach_table, name); + + machs |= 1 << mach->num; + break; + } + case CGEN_CPU_OPEN_ENDIAN : + endian = va_arg (ap, enum cgen_endian); + break; + default : + fprintf (stderr, "mt_cgen_cpu_open: unsupported argument `%d'\n", + arg_type); + abort (); /* ??? return NULL? */ + } + arg_type = va_arg (ap, enum cgen_cpu_open_arg); + } + va_end (ap); + + /* Mach unspecified means "all". */ + if (machs == 0) + machs = (1 << MAX_MACHS) - 1; + /* Base mach is always selected. */ + machs |= 1; + if (endian == CGEN_ENDIAN_UNKNOWN) + { + /* ??? If target has only one, could have a default. */ + fprintf (stderr, "mt_cgen_cpu_open: no endianness specified\n"); + abort (); + } + + cd->isas = cgen_bitset_copy (isas); + cd->machs = machs; + cd->endian = endian; + /* FIXME: for the sparc case we can determine insn-endianness statically. + The worry here is where both data and insn endian can be independently + chosen, in which case this function will need another argument. + Actually, will want to allow for more arguments in the future anyway. */ + cd->insn_endian = endian; + + /* Table (re)builder. */ + cd->rebuild_tables = mt_cgen_rebuild_tables; + mt_cgen_rebuild_tables (cd); + + /* Default to not allowing signed overflow. */ + cd->signed_overflow_ok_p = 0; + + return (CGEN_CPU_DESC) cd; +} + +/* Cover fn to mt_cgen_cpu_open to handle the simple case of 1 isa, 1 mach. + MACH_NAME is the bfd name of the mach. */ + +CGEN_CPU_DESC +mt_cgen_cpu_open_1 (const char *mach_name, enum cgen_endian endian) +{ + return mt_cgen_cpu_open (CGEN_CPU_OPEN_BFDMACH, mach_name, + CGEN_CPU_OPEN_ENDIAN, endian, + CGEN_CPU_OPEN_END); +} + +/* Close a cpu table. + ??? This can live in a machine independent file, but there's currently + no place to put this file (there's no libcgen). libopcodes is the wrong + place as some simulator ports use this but they don't use libopcodes. */ + +void +mt_cgen_cpu_close (CGEN_CPU_DESC cd) +{ + unsigned int i; + const CGEN_INSN *insns; + + if (cd->macro_insn_table.init_entries) + { + insns = cd->macro_insn_table.init_entries; + for (i = 0; i < cd->macro_insn_table.num_init_entries; ++i, ++insns) + if (CGEN_INSN_RX ((insns))) + regfree (CGEN_INSN_RX (insns)); + } + + if (cd->insn_table.init_entries) + { + insns = cd->insn_table.init_entries; + for (i = 0; i < cd->insn_table.num_init_entries; ++i, ++insns) + if (CGEN_INSN_RX (insns)) + regfree (CGEN_INSN_RX (insns)); + } + + if (cd->macro_insn_table.init_entries) + free ((CGEN_INSN *) cd->macro_insn_table.init_entries); + + if (cd->insn_table.init_entries) + free ((CGEN_INSN *) cd->insn_table.init_entries); + + if (cd->hw_table.entries) + free ((CGEN_HW_ENTRY *) cd->hw_table.entries); + + if (cd->operand_table.entries) + free ((CGEN_HW_ENTRY *) cd->operand_table.entries); + + free (cd); +} + -- cgit v1.1