X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=opcodes%2Fcgen-dis.in;h=cf3e872de84e45815af6e43356ed60ade8c4092d;hb=20135676fc4c3912297c313b3e0d3cbd6cc402e3;hp=5b59a353718c17beae7c5687a39b5594db62cfed;hpb=33b71eeb2e25ed4cb83a1fe43cc3d0625dd51e40;p=deliverable%2Fbinutils-gdb.git diff --git a/opcodes/cgen-dis.in b/opcodes/cgen-dis.in index 5b59a35371..cf3e872de8 100644 --- a/opcodes/cgen-dis.in +++ b/opcodes/cgen-dis.in @@ -1,27 +1,26 @@ /* Disassembler interface for targets using CGEN. -*- C -*- CGEN: Cpu tools GENerator -THIS FILE IS MACHINE GENERATED WITH CGEN. -- the resultant file is machine generated, cgen-dis.in isn't + THIS FILE IS MACHINE GENERATED WITH CGEN. + - the resultant file is machine generated, cgen-dis.in isn't -Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2005 -Free Software Foundation, Inc. + Copyright (C) 1996-2019 Free Software Foundation, Inc. -This file is part of the GNU Binutils and GDB, the GNU debugger. + This file is part of libopcodes. -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 library 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, 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. + It 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., -59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + 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. */ /* ??? Eventually more and more of this stuff can go to cpu-independent files. Keep that in mind. */ @@ -29,7 +28,7 @@ along with this program; if not, write to the Free Software Foundation, Inc., #include "sysdep.h" #include #include "ansidecl.h" -#include "dis-asm.h" +#include "disassemble.h" #include "bfd.h" #include "symcat.h" #include "libiberty.h" @@ -56,7 +55,7 @@ static int read_insn (CGEN_CPU_DESC, bfd_vma, disassemble_info *, bfd_byte *, int, CGEN_EXTRACT_INFO *, unsigned long *); -/* -- disassembler routines inserted here */ +/* -- disassembler routines inserted here. */ /* Default print handler. */ @@ -70,10 +69,6 @@ print_normal (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, { disassemble_info *info = (disassemble_info *) dis_info; -#ifdef CGEN_PRINT_NORMAL - CGEN_PRINT_NORMAL (cd, info, value, attrs, pc, length); -#endif - /* Print the operand as directed by the attributes. */ if (CGEN_BOOL_ATTR (attrs, CGEN_OPERAND_SEM_ONLY)) ; /* nothing to do */ @@ -95,13 +90,9 @@ print_address (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, { disassemble_info *info = (disassemble_info *) dis_info; -#ifdef CGEN_PRINT_ADDRESS - CGEN_PRINT_ADDRESS (cd, info, value, attrs, pc, length); -#endif - /* Print the operand as directed by the attributes. */ if (CGEN_BOOL_ATTR (attrs, CGEN_OPERAND_SEM_ONLY)) - ; /* nothing to do */ + ; /* Nothing to do. */ else if (CGEN_BOOL_ATTR (attrs, CGEN_OPERAND_PCREL_ADDR)) (*info->print_address_func) (value, info); else if (CGEN_BOOL_ATTR (attrs, CGEN_OPERAND_ABS_ADDR)) @@ -183,6 +174,7 @@ read_insn (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, unsigned long *insn_value) { int status = (*info->read_memory_func) (pc, buf, buflen, info); + if (status != 0) { (*info->memory_error_func) (status, pc, info); @@ -239,7 +231,7 @@ print_insn (CGEN_CPU_DESC cd, int length; unsigned long insn_value_cropped; -#ifdef CGEN_VALIDATE_INSN_SUPPORTED +#ifdef CGEN_VALIDATE_INSN_SUPPORTED /* Not needed as insn shouldn't be in hash lists if not supported. */ /* Supported by this cpu? */ if (! @arch@_cgen_insn_supported (cd, insn)) @@ -257,7 +249,7 @@ print_insn (CGEN_CPU_DESC cd, relevant part from the buffer. */ if ((unsigned) (CGEN_INSN_BITSIZE (insn) / 8) < buflen && (unsigned) (CGEN_INSN_BITSIZE (insn) / 8) <= sizeof (unsigned long)) - insn_value_cropped = bfd_get_bits (buf, CGEN_INSN_BITSIZE (insn), + insn_value_cropped = bfd_get_bits (buf, CGEN_INSN_BITSIZE (insn), info->endian == BFD_ENDIAN_BIG); else insn_value_cropped = insn_value; @@ -287,13 +279,13 @@ print_insn (CGEN_CPU_DESC cd, length = CGEN_EXTRACT_FN (cd, insn) (cd, insn, &ex_info, insn_value_cropped, &fields, pc); - /* length < 0 -> error */ + /* Length < 0 -> error. */ if (length < 0) return length; if (length > 0) { CGEN_PRINT_FN (cd, insn) (cd, info, insn, &fields, pc, length); - /* length is in bits, result is in bytes */ + /* Length is in bits, result is in bytes. */ return length / 8; } } @@ -343,9 +335,10 @@ default_print_insn (CGEN_CPU_DESC cd, bfd_vma pc, disassemble_info *info) Print one instruction from PC on INFO->STREAM. Return the size of the instruction (in bytes). */ -typedef struct cpu_desc_list { +typedef struct cpu_desc_list +{ struct cpu_desc_list *next; - int isa; + CGEN_BITSET *isa; int mach; int endian; CGEN_CPU_DESC cd; @@ -357,11 +350,12 @@ print_insn_@arch@ (bfd_vma pc, disassemble_info *info) static cpu_desc_list *cd_list = 0; cpu_desc_list *cl = 0; static CGEN_CPU_DESC cd = 0; - static int prev_isa; + static CGEN_BITSET *prev_isa; static int prev_mach; static int prev_endian; int length; - int isa,mach; + CGEN_BITSET *isa; + int mach; int endian = (info->endian == BFD_ENDIAN_BIG ? CGEN_ENDIAN_BIG : CGEN_ENDIAN_LITTLE); @@ -374,7 +368,7 @@ print_insn_@arch@ (bfd_vma pc, disassemble_info *info) arch = info->arch; if (arch == bfd_arch_unknown) arch = CGEN_BFD_ARCH; - + /* There's no standard way to compute the machine or isa number so we leave it to the target. */ #ifdef CGEN_COMPUTE_MACH @@ -384,29 +378,38 @@ print_insn_@arch@ (bfd_vma pc, disassemble_info *info) #endif #ifdef CGEN_COMPUTE_ISA - isa = CGEN_COMPUTE_ISA (info); + { + static CGEN_BITSET *permanent_isa; + + if (!permanent_isa) + permanent_isa = cgen_bitset_create (MAX_ISAS); + isa = permanent_isa; + cgen_bitset_clear (isa); + cgen_bitset_add (isa, CGEN_COMPUTE_ISA (info)); + } #else - isa = info->insn_sets; + isa = info->private_data; #endif /* If we've switched cpu's, try to find a handle we've used before */ if (cd - && (isa != prev_isa + && (cgen_bitset_compare (isa, prev_isa) != 0 || mach != prev_mach || endian != prev_endian)) { cd = 0; for (cl = cd_list; cl; cl = cl->next) { - if (cl->isa == isa && + if (cgen_bitset_compare (cl->isa, isa) == 0 && cl->mach == mach && cl->endian == endian) { cd = cl->cd; + prev_isa = cd->isas; break; } } - } + } /* If we haven't initialized yet, initialize the opcode table. */ if (! cd) @@ -418,7 +421,7 @@ print_insn_@arch@ (bfd_vma pc, disassemble_info *info) abort (); mach_name = arch_type->printable_name; - prev_isa = isa; + prev_isa = cgen_bitset_copy (isa); prev_mach = mach; prev_endian = endian; cd = @arch@_cgen_cpu_open (CGEN_CPU_OPEN_ISAS, prev_isa, @@ -428,10 +431,10 @@ print_insn_@arch@ (bfd_vma pc, disassemble_info *info) if (!cd) abort (); - /* save this away for future reference */ + /* Save this away for future reference. */ cl = xmalloc (sizeof (struct cpu_desc_list)); cl->cd = cd; - cl->isa = isa; + cl->isa = prev_isa; cl->mach = mach; cl->endian = endian; cl->next = cd_list;