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Diffstat (limited to 'binutils-2.25/opcodes/or32-dis.c')
-rw-r--r--binutils-2.25/opcodes/or32-dis.c325
1 files changed, 0 insertions, 325 deletions
diff --git a/binutils-2.25/opcodes/or32-dis.c b/binutils-2.25/opcodes/or32-dis.c
deleted file mode 100644
index abb80bf0..00000000
--- a/binutils-2.25/opcodes/or32-dis.c
+++ /dev/null
@@ -1,325 +0,0 @@
-/* Instruction printing code for the OpenRISC 1000
- Copyright (C) 2002, 2005, 2007, 2012 Free Software Foundation, Inc.
- Contributed by Damjan Lampret <lampret@opencores.org>.
- Modified from a29k port.
-
- This file is part of the GNU opcodes library.
-
- 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.
-
- 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., 51 Franklin Street - Fifth Floor, Boston,
- MA 02110-1301, USA. */
-
-#ifndef DEBUG
-#define DEBUG 0
-#endif
-
-#include "sysdep.h"
-#include "dis-asm.h"
-#include "opcode/or32.h"
-#include "safe-ctype.h"
-
-#define EXTEND29(x) ((x) & (unsigned long) 0x10000000 ? ((x) | (unsigned long) 0xf0000000) : ((x)))
-
-/* Now find the four bytes of INSN_CH and put them in *INSN. */
-
-static void
-find_bytes_big (unsigned char *insn_ch, unsigned long *insn)
-{
- *insn =
- ((unsigned long) insn_ch[0] << 24) +
- ((unsigned long) insn_ch[1] << 16) +
- ((unsigned long) insn_ch[2] << 8) +
- ((unsigned long) insn_ch[3]);
-#if DEBUG
- printf ("find_bytes_big3: %lx\n", *insn);
-#endif
-}
-
-static void
-find_bytes_little (unsigned char *insn_ch, unsigned long *insn)
-{
- *insn =
- ((unsigned long) insn_ch[3] << 24) +
- ((unsigned long) insn_ch[2] << 16) +
- ((unsigned long) insn_ch[1] << 8) +
- ((unsigned long) insn_ch[0]);
-}
-
-typedef void (*find_byte_func_type) (unsigned char *, unsigned long *);
-
-static unsigned long
-or32_extract (char param_ch, char *enc_initial, unsigned long insn)
-{
- char *enc;
- unsigned long ret = 0;
- int opc_pos = 0;
- int param_pos = 0;
-
- for (enc = enc_initial; *enc != '\0'; enc++)
- if (*enc == param_ch)
- {
- if (enc - 2 >= enc_initial && (*(enc - 2) == '0') && (*(enc - 1) == 'x'))
- continue;
- else
- param_pos++;
- }
-
-#if DEBUG
- printf ("or32_extract: %c %x ", param_ch, param_pos);
-#endif
- opc_pos = 32;
-
- for (enc = enc_initial; *enc != '\0'; )
- if ((*enc == '0') && (*(enc + 1) == 'x'))
- {
- opc_pos -= 4;
-
- if ((param_ch == '0') || (param_ch == '1'))
- {
- unsigned long tmp = strtoul (enc, NULL, 16);
-#if DEBUG
- printf (" enc=%s, tmp=%lx ", enc, tmp);
-#endif
- if (param_ch == '0')
- tmp = 15 - tmp;
- ret |= tmp << opc_pos;
- }
- enc += 3;
- }
- else if ((*enc == '0') || (*enc == '1'))
- {
- opc_pos--;
- if (param_ch == *enc)
- ret |= 1 << opc_pos;
- enc++;
- }
- else if (*enc == param_ch)
- {
- opc_pos--;
- param_pos--;
-#if DEBUG
- printf ("\n ret=%lx opc_pos=%x, param_pos=%x\n", ret, opc_pos, param_pos);
-#endif
- ret += ((insn >> opc_pos) & 0x1) << param_pos;
-
- if (!param_pos
- && letter_signed (param_ch)
- && ret >> (letter_range (param_ch) - 1))
- {
-#if DEBUG
- printf ("\n ret=%lx opc_pos=%x, param_pos=%x\n",
- ret, opc_pos, param_pos);
-#endif
- ret |= 0xffffffff << letter_range(param_ch);
-#if DEBUG
- printf ("\n after conversion to signed: ret=%lx\n", ret);
-#endif
- }
- enc++;
- }
- else if (ISALPHA (*enc))
- {
- opc_pos--;
- enc++;
- }
- else if (*enc == '-')
- {
- opc_pos--;
- enc++;
- }
- else
- enc++;
-
-#if DEBUG
- printf ("ret=%lx\n", ret);
-#endif
- return ret;
-}
-
-static int
-or32_opcode_match (unsigned long insn, char *encoding)
-{
- unsigned long ones, zeros;
-
-#if DEBUG
- printf ("or32_opcode_match: %.8lx\n", insn);
-#endif
- ones = or32_extract ('1', encoding, insn);
- zeros = or32_extract ('0', encoding, insn);
-
-#if DEBUG
- printf ("ones: %lx \n", ones);
- printf ("zeros: %lx \n", zeros);
-#endif
- if ((insn & ones) != ones)
- {
-#if DEBUG
- printf ("ret1\n");
-#endif
- return 0;
- }
-
- if ((~insn & zeros) != zeros)
- {
-#if DEBUG
- printf ("ret2\n");
-#endif
- return 0;
- }
-
-#if DEBUG
- printf ("ret3\n");
-#endif
- return 1;
-}
-
-/* Print register to INFO->STREAM. Used only by print_insn. */
-
-static void
-or32_print_register (char param_ch,
- char *encoding,
- unsigned long insn,
- struct disassemble_info *info)
-{
- int regnum = or32_extract (param_ch, encoding, insn);
-
-#if DEBUG
- printf ("or32_print_register: %c, %s, %lx\n", param_ch, encoding, insn);
-#endif
- if (param_ch == 'A')
- (*info->fprintf_func) (info->stream, "r%d", regnum);
- else if (param_ch == 'B')
- (*info->fprintf_func) (info->stream, "r%d", regnum);
- else if (param_ch == 'D')
- (*info->fprintf_func) (info->stream, "r%d", regnum);
- else if (regnum < 16)
- (*info->fprintf_func) (info->stream, "r%d", regnum);
- else if (regnum < 32)
- (*info->fprintf_func) (info->stream, "r%d", regnum-16);
- else
- (*info->fprintf_func) (info->stream, "X%d", regnum);
-}
-
-/* Print immediate to INFO->STREAM. Used only by print_insn. */
-
-static void
-or32_print_immediate (char param_ch,
- char *encoding,
- unsigned long insn,
- struct disassemble_info *info)
-{
- int imm = or32_extract(param_ch, encoding, insn);
-
- if (letter_signed(param_ch))
- (*info->fprintf_func) (info->stream, "0x%x", imm);
-/* (*info->fprintf_func) (info->stream, "%d", imm); */
- else
- (*info->fprintf_func) (info->stream, "0x%x", imm);
-}
-
-/* Print one instruction from MEMADDR on INFO->STREAM.
- Return the size of the instruction (always 4 on or32). */
-
-static int
-print_insn (bfd_vma memaddr, struct disassemble_info *info)
-{
- /* The raw instruction. */
- unsigned char insn_ch[4];
- /* Address. Will be sign extened 27-bit. */
- unsigned long addr;
- /* The four bytes of the instruction. */
- unsigned long insn;
- find_byte_func_type find_byte_func = (find_byte_func_type) info->private_data;
- struct or32_opcode const * opcode;
-
- {
- int status =
- (*info->read_memory_func) (memaddr, (bfd_byte *) &insn_ch[0], 4, info);
-
- if (status != 0)
- {
- (*info->memory_error_func) (status, memaddr, info);
- return -1;
- }
- }
-
- (*find_byte_func) (&insn_ch[0], &insn);
-
- for (opcode = &or32_opcodes[0];
- opcode < &or32_opcodes[or32_num_opcodes];
- ++opcode)
- {
- if (or32_opcode_match (insn, opcode->encoding))
- {
- char *s;
-
- (*info->fprintf_func) (info->stream, "%s ", opcode->name);
-
- for (s = opcode->args; *s != '\0'; ++s)
- {
- switch (*s)
- {
- case '\0':
- return 4;
-
- case 'r':
- or32_print_register (*++s, opcode->encoding, insn, info);
- break;
-
- case 'X':
- addr = or32_extract ('X', opcode->encoding, insn) << 2;
-
- /* Calulate the correct address. XXX is this really correct ?? */
- addr = memaddr + EXTEND29 (addr);
-
- (*info->print_address_func)
- (addr, info);
- break;
-
- default:
- if (strchr (opcode->encoding, *s))
- or32_print_immediate (*s, opcode->encoding, insn, info);
- else
- (*info->fprintf_func) (info->stream, "%c", *s);
- }
- }
-
- return 4;
- }
- }
-
- /* This used to be %8x for binutils. */
- (*info->fprintf_func)
- (info->stream, ".word 0x%08lx", insn);
- return 4;
-}
-
-/* Disassemble a big-endian or32 instruction. */
-
-int
-print_insn_big_or32 (bfd_vma memaddr, struct disassemble_info *info)
-{
- info->private_data = find_bytes_big;
-
- return print_insn (memaddr, info);
-}
-
-/* Disassemble a little-endian or32 instruction. */
-
-int
-print_insn_little_or32 (bfd_vma memaddr, struct disassemble_info *info)
-{
- info->private_data = find_bytes_little;
- return print_insn (memaddr, info);
-}
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