* mips-dis.c: Updated to account for name changes in new version
of opcode/mips.h. * Makefile.in: Added header file dependencies.
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05166a28a4
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3 changed files with 80 additions and 46 deletions
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@ -26,21 +26,8 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* FIXME: we need direct access to the swapping functions. */
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#include "libbfd.h"
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/* We use bfd_vma in a couple of places where gdb expects CORE_ADDR. */
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#ifdef HOST_64_BIT
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#error FIXME: bfd_vma will not match gdb expectations
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#endif
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/* This file is used both by gdb and by objdump. A program which
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wants to use this code must provide an external function
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print_address. */
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extern int print_address PARAMS ((bfd_vma, FILE *));
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/* Mips instructions are never longer than this many bytes. */
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#define MAXLEN 4
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/* Number of elements in the opcode table. */
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#define NOPCODES (sizeof mips_opcodes / sizeof mips_opcodes[0])
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/* FIXME: This should be shared with gdb somehow. */
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#define REGISTER_NAMES \
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@ -67,6 +54,8 @@ print_insn_arg (d, l, pc, info)
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bfd_vma pc;
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struct disassemble_info *info;
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{
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int delta;
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switch (*d)
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{
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case ',':
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@ -76,34 +65,48 @@ print_insn_arg (d, l, pc, info)
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break;
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case 's':
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case 'b':
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case 'r':
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case 'v':
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(*info->fprintf_func) (info->stream, "$%s",
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reg_names[(l >> OP_SH_RS) & OP_MASK_RS]);
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break;
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case 't':
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case 'w':
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(*info->fprintf_func) (info->stream, "$%s",
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reg_names[(l >> OP_SH_RT) & OP_MASK_RT]);
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break;
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case 'i':
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case 'u':
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(*info->fprintf_func) (info->stream, "%d",
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(l >> OP_SH_IMMEDIATE) & OP_MASK_IMMEDIATE);
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break;
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case 'j': /* same as i, but sign-extended */
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case 'o':
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delta = (l >> OP_SH_DELTA) & OP_MASK_DELTA;
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if (delta & 0x8000)
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delta |= ~0xffff;
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(*info->fprintf_func) (info->stream, "%d",
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(l >> OP_SH_DELTA) & OP_MASK_DELTA);
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delta);
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break;
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case 'a':
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print_address (((pc & 0xF0000000)
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| (((l >> OP_SH_TARGET) & OP_MASK_TARGET) << 2)),
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info->stream);
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(*info->print_address_func)
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(((pc & 0xF0000000) | (((l >> OP_SH_TARGET) & OP_MASK_TARGET) << 2)),
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info);
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break;
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case 'b':
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print_address ((((l >> OP_SH_DELTA) & OP_MASK_DELTA) << 2) + pc + 4,
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info->stream);
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case 'p':
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/* sign extend the displacement */
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delta = (l >> OP_SH_DELTA) & OP_MASK_DELTA;
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if (delta & 0x8000)
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delta |= ~0xffff;
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(*info->print_address_func)
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((delta << 2) + pc + 4,
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info);
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break;
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case 'd':
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@ -111,22 +114,34 @@ print_insn_arg (d, l, pc, info)
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reg_names[(l >> OP_SH_RD) & OP_MASK_RD]);
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break;
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case 'h':
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case '<':
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(*info->fprintf_func) (info->stream, "0x%x",
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(l >> OP_SH_SHAMT) & OP_MASK_SHAMT);
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break;
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case 'B':
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case 'c':
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(*info->fprintf_func) (info->stream, "0x%x",
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(l >> OP_SH_CODE) & OP_MASK_CODE);
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break;
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case 'C':
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(*info->fprintf_func) (info->stream, "0x%x",
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(l >> OP_SH_COPZ) & OP_MASK_COPZ);
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break;
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case 'B':
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(*info->fprintf_func) (info->stream, "0x%x",
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(l >> OP_SH_SYSCALL) & OP_MASK_SYSCALL);
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break;
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case 'S':
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case 'V':
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(*info->fprintf_func) (info->stream, "$f%d",
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(l >> OP_SH_FS) & OP_MASK_FS);
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break;
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case 'T':
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case 'W':
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(*info->fprintf_func) (info->stream, "$f%d",
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(l >> OP_SH_FT) & OP_MASK_FT);
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break;
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@ -136,6 +151,16 @@ print_insn_arg (d, l, pc, info)
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(l >> OP_SH_FD) & OP_MASK_FD);
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break;
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case 'E':
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(*info->fprintf_func) (info->stream, "$%d",
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(l >> OP_SH_RT) & OP_MASK_RT);
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break;
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case 'G':
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(*info->fprintf_func) (info->stream, "$%d",
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(l >> OP_SH_RD) & OP_MASK_RD);
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break;
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default:
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(*info->fprintf_func) (info->stream,
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"# internal error, undefined modifier(%c)", *d);
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@ -157,16 +182,19 @@ _print_insn_mips (memaddr, word, info)
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register int i;
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register char *d;
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for (i = 0; i < NOPCODES; i++)
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for (i = 0; i < NUMOPCODES; i++)
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{
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register unsigned int opcode = mips_opcodes[i].opcode;
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register unsigned int match = mips_opcodes[i].match;
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if ((word & match) == opcode)
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break;
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if (mips_opcodes[i].pinfo != INSN_MACRO)
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{
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register unsigned int match = mips_opcodes[i].match;
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register unsigned int mask = mips_opcodes[i].mask;
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if ((word & mask) == match)
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break;
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}
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}
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/* Handle undefined instructions. */
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if (i == NOPCODES)
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if (i == NUMOPCODES)
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{
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(*info->fprintf_func) (info->stream, "0x%x", word);
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return 4;
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