diff options
Diffstat (limited to 'opcodes/d10v-dis.c')
-rw-r--r-- | opcodes/d10v-dis.c | 154 |
1 files changed, 78 insertions, 76 deletions
diff --git a/opcodes/d10v-dis.c b/opcodes/d10v-dis.c index 013ee14..31ce526 100644 --- a/opcodes/d10v-dis.c +++ b/opcodes/d10v-dis.c @@ -1,5 +1,5 @@ /* Disassemble D10V instructions. - Copyright 1996, 1997, 1998, 2000 Free Software Foundation, Inc. + Copyright 1996, 1997, 1998, 2000, 2001 Free Software Foundation, Inc. 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 @@ -15,23 +15,22 @@ 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. */ - #include <stdio.h> #include "sysdep.h" -#include "opcode/d10v.h" +#include "opcode/d10v.h" #include "dis-asm.h" -/* the PC wraps at 18 bits, except for the segment number */ -/* so use this mask to keep the parts we want */ +/* The PC wraps at 18 bits, except for the segment number, + so use this mask to keep the parts we want. */ #define PC_MASK 0x0303FFFF -static void dis_2_short PARAMS ((unsigned long insn, bfd_vma memaddr, +static void dis_2_short PARAMS ((unsigned long insn, bfd_vma memaddr, struct disassemble_info *info, int order)); -static void dis_long PARAMS ((unsigned long insn, bfd_vma memaddr, +static void dis_long PARAMS ((unsigned long insn, bfd_vma memaddr, struct disassemble_info *info)); -int +int print_insn_d10v (memaddr, info) bfd_vma memaddr; struct disassemble_info *info; @@ -49,20 +48,21 @@ print_insn_d10v (memaddr, info) insn = bfd_getb32 (buffer); status = insn & FM11; - switch (status) { - case 0: - dis_2_short (insn, memaddr, info, 2); - break; - case FM01: - dis_2_short (insn, memaddr, info, 0); - break; - case FM10: - dis_2_short (insn, memaddr, info, 1); - break; - case FM11: - dis_long (insn, memaddr, info); - break; - } + switch (status) + { + case 0: + dis_2_short (insn, memaddr, info, 2); + break; + case FM01: + dis_2_short (insn, memaddr, info, 0); + break; + case FM10: + dis_2_short (insn, memaddr, info, 1); + break; + case FM11: + dis_long (insn, memaddr, info); + break; + } return 4; } @@ -78,33 +78,33 @@ print_operand (oper, insn, op, memaddr, info) if (oper->flags == OPERAND_ATMINUS) { - (*info->fprintf_func) (info->stream, "@-"); + (*info->fprintf_func) (info->stream, "@-"); return; } if (oper->flags == OPERAND_MINUS) { - (*info->fprintf_func) (info->stream, "-"); + (*info->fprintf_func) (info->stream, "-"); return; } if (oper->flags == OPERAND_PLUS) { - (*info->fprintf_func) (info->stream, "+"); + (*info->fprintf_func) (info->stream, "+"); return; } if (oper->flags == OPERAND_ATSIGN) { - (*info->fprintf_func) (info->stream, "@"); + (*info->fprintf_func) (info->stream, "@"); return; } if (oper->flags == OPERAND_ATPAR) { - (*info->fprintf_func) (info->stream, "@("); + (*info->fprintf_func) (info->stream, "@("); return; } shift = oper->shift; - /* the LONG_L format shifts registers over by 15 */ + /* The LONG_L format shifts registers over by 15. */ if (op->format == LONG_L && (oper->flags & OPERAND_REG)) shift += 15; @@ -113,50 +113,52 @@ print_operand (oper, insn, op, memaddr, info) if (oper->flags & OPERAND_REG) { int i; - int match=0; + int match = 0; num += (oper->flags - & (OPERAND_GPR|OPERAND_FFLAG|OPERAND_CFLAG|OPERAND_CONTROL)); - if (oper->flags & (OPERAND_ACC0|OPERAND_ACC1)) + & (OPERAND_GPR | OPERAND_FFLAG | OPERAND_CFLAG | OPERAND_CONTROL)); + if (oper->flags & (OPERAND_ACC0 | OPERAND_ACC1)) num += num ? OPERAND_ACC1 : OPERAND_ACC0; - for (i = 0; i < d10v_reg_name_cnt(); i++) + for (i = 0; i < d10v_reg_name_cnt (); i++) { if (num == d10v_predefined_registers[i].value) { if (d10v_predefined_registers[i].pname) - (*info->fprintf_func) (info->stream, "%s",d10v_predefined_registers[i].pname); + (*info->fprintf_func) (info->stream, "%s", + d10v_predefined_registers[i].pname); else - (*info->fprintf_func) (info->stream, "%s",d10v_predefined_registers[i].name); - match=1; + (*info->fprintf_func) (info->stream, "%s", + d10v_predefined_registers[i].name); + match = 1; break; } } if (match == 0) { - /* this would only get executed if a register was not in the - register table */ - if (oper->flags & (OPERAND_ACC0|OPERAND_ACC1)) + /* This would only get executed if a register was not in the + register table. */ + if (oper->flags & (OPERAND_ACC0 | OPERAND_ACC1)) (*info->fprintf_func) (info->stream, "a"); else if (oper->flags & OPERAND_CONTROL) (*info->fprintf_func) (info->stream, "cr"); - else if(oper->flags & OPERAND_REG) + else if (oper->flags & OPERAND_REG) (*info->fprintf_func) (info->stream, "r"); - (*info->fprintf_func) (info->stream, "%d",num); + (*info->fprintf_func) (info->stream, "%d", num); } } else { - /* addresses are right-shifted by 2 */ + /* Addresses are right-shifted by 2. */ if (oper->flags & OPERAND_ADDR) { long max; - int neg=0; + int neg = 0; max = (1 << (oper->bits - 1)); if (num & max) { - num = -num & ((1 << oper->bits)-1); + num = -num & ((1 << oper->bits) - 1); neg = 1; } - num = num<<2; + num = num << 2; if (info->flags & INSN_HAS_RELOC) (*info->print_address_func) (num & PC_MASK, info); else @@ -174,16 +176,15 @@ print_operand (oper, insn, op, memaddr, info) int max = (1 << (oper->bits - 1)); if (num & max) { - num = -num & ((1 << oper->bits)-1); + num = -num & ((1 << oper->bits) - 1); (*info->fprintf_func) (info->stream, "-"); } } - (*info->fprintf_func) (info->stream, "0x%x",num); + (*info->fprintf_func) (info->stream, "0x%x", num); } } } - static void dis_long (insn, memaddr, info) unsigned long insn; @@ -192,7 +193,7 @@ dis_long (insn, memaddr, info) { int i; char buf[32]; - struct d10v_opcode *op = (struct d10v_opcode *)d10v_opcodes; + struct d10v_opcode *op = (struct d10v_opcode *) d10v_opcodes; struct d10v_operand *oper; int need_paren = 0; int match = 0; @@ -202,17 +203,17 @@ dis_long (insn, memaddr, info) if ((op->format & LONG_OPCODE) && ((op->mask & insn) == op->opcode)) { match = 1; - (*info->fprintf_func) (info->stream, "%s\t", op->name); - for ( i=0; op->operands[i]; i++) + (*info->fprintf_func) (info->stream, "%s\t", op->name); + for (i = 0; op->operands[i]; i++) { - oper = (struct d10v_operand *)&d10v_operands[op->operands[i]]; + oper = (struct d10v_operand *) &d10v_operands[op->operands[i]]; if (oper->flags == OPERAND_ATPAR) need_paren = 1; print_operand (oper, insn, op, memaddr, info); - if (op->operands[i+1] && oper->bits && - d10v_operands[op->operands[i+1]].flags != OPERAND_PLUS && - d10v_operands[op->operands[i+1]].flags != OPERAND_MINUS) - (*info->fprintf_func) (info->stream, ", "); + if (op->operands[i + 1] && oper->bits + && d10v_operands[op->operands[i + 1]].flags != OPERAND_PLUS + && d10v_operands[op->operands[i + 1]].flags != OPERAND_MINUS) + (*info->fprintf_func) (info->stream, ", "); } break; } @@ -220,10 +221,10 @@ dis_long (insn, memaddr, info) } if (!match) - (*info->fprintf_func) (info->stream, ".long\t0x%08x",insn); + (*info->fprintf_func) (info->stream, ".long\t0x%08x", insn); if (need_paren) - (*info->fprintf_func) (info->stream, ")"); + (*info->fprintf_func) (info->stream, ")"); } static void @@ -233,37 +234,38 @@ dis_2_short (insn, memaddr, info, order) struct disassemble_info *info; int order; { - int i,j; + int i, j; char astr[2][32]; unsigned int ins[2]; struct d10v_opcode *op; char buf[32]; - int match, num_match=0; + int match, num_match = 0; struct d10v_operand *oper; int need_paren = 0; ins[0] = (insn & 0x3FFFFFFF) >> 15; ins[1] = insn & 0x00007FFF; - for(j=0;j<2;j++) + for (j = 0; j < 2; j++) { - op = (struct d10v_opcode *)d10v_opcodes; - match=0; + op = (struct d10v_opcode *) d10v_opcodes; + match = 0; while (op->name) { - if ((op->format & SHORT_OPCODE) && ((op->mask & ins[j]) == op->opcode)) + if ((op->format & SHORT_OPCODE) + && ((op->mask & ins[j]) == op->opcode)) { - (*info->fprintf_func) (info->stream, "%s\t",op->name); - for (i=0; op->operands[i]; i++) + (*info->fprintf_func) (info->stream, "%s\t", op->name); + for (i = 0; op->operands[i]; i++) { - oper = (struct d10v_operand *)&d10v_operands[op->operands[i]]; + oper = (struct d10v_operand *) &d10v_operands[op->operands[i]]; if (oper->flags == OPERAND_ATPAR) need_paren = 1; print_operand (oper, ins[j], op, memaddr, info); - if (op->operands[i+1] && oper->bits && - d10v_operands[op->operands[i+1]].flags != OPERAND_PLUS && - d10v_operands[op->operands[i+1]].flags != OPERAND_MINUS) - (*info->fprintf_func) (info->stream, ", "); + if (op->operands[i + 1] && oper->bits + && d10v_operands[op->operands[i + 1]].flags != OPERAND_PLUS + && d10v_operands[op->operands[i + 1]].flags != OPERAND_MINUS) + (*info->fprintf_func) (info->stream, ", "); } match = 1; num_match++; @@ -272,20 +274,20 @@ dis_2_short (insn, memaddr, info, order) op++; } if (!match) - (*info->fprintf_func) (info->stream, "unknown"); + (*info->fprintf_func) (info->stream, "unknown"); switch (order) { case 0: - (*info->fprintf_func) (info->stream, "\t->\t"); + (*info->fprintf_func) (info->stream, "\t->\t"); order = -1; break; case 1: - (*info->fprintf_func) (info->stream, "\t<-\t"); + (*info->fprintf_func) (info->stream, "\t<-\t"); order = -1; break; case 2: - (*info->fprintf_func) (info->stream, "\t||\t"); + (*info->fprintf_func) (info->stream, "\t||\t"); order = -1; break; default: @@ -294,8 +296,8 @@ dis_2_short (insn, memaddr, info, order) } if (num_match == 0) - (*info->fprintf_func) (info->stream, ".long\t0x%08x",insn); + (*info->fprintf_func) (info->stream, ".long\t0x%08x", insn); if (need_paren) - (*info->fprintf_func) (info->stream, ")"); + (*info->fprintf_func) (info->stream, ")"); } |