/* Instruction printing code for the ARC.
- Copyright 1994, 1995, 1997, 1998, 2000, 2001
- Free Software Foundation, Inc.
+ Copyright 1994, 1995, 1997, 1998, 2000, 2001, 2002, 2005, 2007, 2009,
+ 2010, 2012 Free Software Foundation, Inc.
Contributed by Doug Evans (dje@cygnus.com).
- This program is free software; you can redistribute it and/or modify
+ This file is part of libopcodes.
+
+ 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 2 of the License, or
- (at your option) any later version.
+ 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. */
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
-#include <ansidecl.h>
-#include <libiberty.h>
+#include "ansidecl.h"
+#include "libiberty.h"
#include "dis-asm.h"
#include "opcode/arc.h"
#include "elf-bfd.h"
#include <string.h>
#include "opintl.h"
-#include <ctype.h>
#include <stdarg.h>
#include "arc-dis.h"
#include "arc-ext.h"
#define dbg (0)
#endif
+/* Classification of the opcodes for the decoder to print
+ the instructions. */
+
+typedef enum
+{
+ CLASS_A4_ARITH,
+ CLASS_A4_OP3_GENERAL,
+ CLASS_A4_FLAG,
+ /* All branches other than JC. */
+ CLASS_A4_BRANCH,
+ CLASS_A4_JC ,
+ /* All loads other than immediate
+ indexed loads. */
+ CLASS_A4_LD0,
+ CLASS_A4_LD1,
+ CLASS_A4_ST,
+ CLASS_A4_SR,
+ /* All single operand instructions. */
+ CLASS_A4_OP3_SUBOPC3F,
+ CLASS_A4_LR
+} a4_decoding_class;
+
#define BIT(word,n) ((word) & (1 << n))
-#define BITS(word,s,e) (((word) << (31 - e)) >> (s + (31 - e)))
+#define BITS(word,s,e) (((word) >> s) & ((1 << (e + 1 - s)) - 1))
#define OPCODE(word) (BITS ((word), 27, 31))
#define FIELDA(word) (BITS ((word), 21, 26))
#define FIELDB(word) (BITS ((word), 15, 20))
#define FIELDC(word) (BITS ((word), 9, 14))
-/* FIELD D is signed in all of its uses, so we make sure argument is
- treated as signed for bit shifting purposes: */
-#define FIELDD(word) (BITS (((signed int)word), 0, 8))
-
-#define PUT_NEXT_WORD_IN(a) \
- do \
- { \
- if (is_limm == 1 && !NEXT_WORD (1)) \
- mwerror (state, _("Illegal limm reference in last instruction!\n")); \
- a = state->words[1]; \
- } \
+/* FIELD D is signed. */
+#define FIELDD(word) ((BITS ((word), 0, 8) ^ 0x100) - 0x100)
+
+#define PUT_NEXT_WORD_IN(a) \
+ do \
+ { \
+ if (is_limm == 1 && !NEXT_WORD (1)) \
+ mwerror (state, _("Illegal limm reference in last instruction!\n")); \
+ a = state->words[1]; \
+ } \
while (0)
#define CHECK_FLAG_COND_NULLIFY() \
#define CHECK_FIELD_A() \
do \
{ \
- fieldA = FIELDA(state->words[0]); \
+ fieldA = FIELDA (state->words[0]); \
if (fieldA > 60) \
{ \
fieldAisReg = 0; \
} \
while (0)
-#define IS_SMALL(x) (((field##x) < 256) && ((field##x) > -257))
-#define IS_REG(x) (field##x##isReg)
-#define WRITE_FORMAT_LB_Rx_RB(x) WRITE_FORMAT(x,"[","]","","")
-#define WRITE_FORMAT_x_COMMA_LB(x) WRITE_FORMAT(x,"",",[","",",[")
-#define WRITE_FORMAT_COMMA_x_RB(x) WRITE_FORMAT(x,",","]",",","]")
-#define WRITE_FORMAT_x_RB(x) WRITE_FORMAT(x,"","]","","]")
-#define WRITE_FORMAT_COMMA_x(x) WRITE_FORMAT(x,",","",",","")
-#define WRITE_FORMAT_x_COMMA(x) WRITE_FORMAT(x,"",",","",",")
-#define WRITE_FORMAT_x(x) WRITE_FORMAT(x,"","","","")
+#define IS_SMALL(x) (((field##x) < 256) && ((field##x) > -257))
+#define IS_REG(x) (field##x##isReg)
+#define WRITE_FORMAT_LB_Rx_RB(x) WRITE_FORMAT (x, "[","]","","")
+#define WRITE_FORMAT_x_COMMA_LB(x) WRITE_FORMAT (x, "",",[","",",[")
+#define WRITE_FORMAT_COMMA_x_RB(x) WRITE_FORMAT (x, ",","]",",","]")
+#define WRITE_FORMAT_x_RB(x) WRITE_FORMAT (x, "","]","","]")
+#define WRITE_FORMAT_COMMA_x(x) WRITE_FORMAT (x, ",","",",","")
+#define WRITE_FORMAT_x_COMMA(x) WRITE_FORMAT (x, "",",","",",")
+#define WRITE_FORMAT_x(x) WRITE_FORMAT (x, "","","","")
#define WRITE_FORMAT(x,cb1,ca1,cb,ca) strcat (formatString, \
(IS_REG (x) ? cb1"%r"ca1 : \
usesAuxReg ? cb"%a"ca : \
static char comment_prefix[] = "\t; ";
-static const char *core_reg_name PARAMS ((struct arcDisState *, int));
-static const char *aux_reg_name PARAMS ((struct arcDisState *, int));
-static const char *cond_code_name PARAMS ((struct arcDisState *, int));
-static const char *instruction_name
- PARAMS ((struct arcDisState *, int, int, int *));
-static void mwerror PARAMS ((struct arcDisState *, const char *));
-static const char *post_address PARAMS ((struct arcDisState *, int));
-static void write_comments_
- PARAMS ((struct arcDisState *, int, int, long int));
-static void write_instr_name_
- PARAMS ((struct arcDisState *, const char *, int, int, int, int, int, int));
-static int dsmOneArcInst PARAMS ((bfd_vma, struct arcDisState *));
-static const char *_coreRegName PARAMS ((void *, int));
-static int decodeInstr PARAMS ((bfd_vma, disassemble_info *));
-
static const char *
-core_reg_name (state, val)
- struct arcDisState * state;
- int val;
+core_reg_name (struct arcDisState * state, int val)
{
if (state->coreRegName)
return (*state->coreRegName)(state->_this, val);
}
static const char *
-aux_reg_name (state, val)
- struct arcDisState * state;
- int val;
+aux_reg_name (struct arcDisState * state, int val)
{
if (state->auxRegName)
return (*state->auxRegName)(state->_this, val);
}
static const char *
-cond_code_name (state, val)
- struct arcDisState * state;
- int val;
+cond_code_name (struct arcDisState * state, int val)
{
if (state->condCodeName)
return (*state->condCodeName)(state->_this, val);
}
static const char *
-instruction_name (state, op1, op2, flags)
- struct arcDisState * state;
- int op1;
- int op2;
- int * flags;
+instruction_name (struct arcDisState * state,
+ int op1,
+ int op2,
+ int * flags)
{
if (state->instName)
return (*state->instName)(state->_this, op1, op2, flags);
}
static void
-mwerror (state, msg)
- struct arcDisState * state;
- const char * msg;
+mwerror (struct arcDisState * state, const char * msg)
{
if (state->err != 0)
(*state->err)(state->_this, (msg));
}
static const char *
-post_address (state, addr)
- struct arcDisState * state;
- int addr;
+post_address (struct arcDisState * state, int addr)
{
static char id[3 * ARRAY_SIZE (state->addresses)];
int j, i = state->acnt;
}
static void
-my_sprintf (
- struct arcDisState * state,
- char * buf,
- const char * format,
- ...)
+arc_sprintf (struct arcDisState *state, char *buf, const char *format, ...)
{
char *bp;
const char *p;
int size, leading_zero, regMap[2];
- long auxNum;
va_list ap;
va_start (ap, format);
bp = buf;
*bp = 0;
p = format;
- auxNum = -1;
regMap[0] = 0;
regMap[1] = 0;
while (1)
switch (*p++)
{
- case 0:
- goto DOCOMM; /* (return) */
+ case 0:
+ goto DOCOMM; /* (return) */
default:
*bp++ = p[-1];
break;
if (ext)
sprintf (bp, "%s", ext);
else
- my_sprintf (state, bp, "%h", val);
+ arc_sprintf (state, bp, "%h", val);
}
break;
}
}
DOCOMM: *bp = 0;
+ va_end (ap);
}
static void
-write_comments_(state, shimm, is_limm, limm_value)
- struct arcDisState * state;
- int shimm;
- int is_limm;
- long limm_value;
+write_comments_(struct arcDisState * state,
+ int shimm,
+ int is_limm,
+ long limm_value)
{
if (state->commentBuffer != 0)
{
strcpy (state->commentBuffer, comment_prefix);
else
strcat (state->commentBuffer, ", ");
- strncat (state->commentBuffer, state->comm[i], sizeof (state->commentBuffer));
+ strncat (state->commentBuffer, state->comm[i],
+ sizeof (state->commentBuffer));
}
}
}
-#define write_comments2(x) write_comments_(state, x, is_limm, limm_value)
-#define write_comments() write_comments2(0)
+#define write_comments2(x) write_comments_ (state, x, is_limm, limm_value)
+#define write_comments() write_comments2 (0)
-static const char *condName[] = {
+static const char *condName[] =
+{
/* 0..15. */
"" , "z" , "nz" , "p" , "n" , "c" , "nc" , "v" ,
"nv" , "gt" , "ge" , "lt" , "le" , "hi" , "ls" , "pnz"
};
static void
-write_instr_name_(state, instrName, cond, condCodeIsPartOfName, flag, signExtend, addrWriteBack, directMem)
- struct arcDisState * state;
- const char * instrName;
- int cond;
- int condCodeIsPartOfName;
- int flag;
- int signExtend;
- int addrWriteBack;
- int directMem;
+write_instr_name_(struct arcDisState * state,
+ const char * instrName,
+ int cond,
+ int condCodeIsPartOfName,
+ int flag,
+ int signExtend,
+ int addrWriteBack,
+ int directMem)
{
strcpy (state->instrBuffer, instrName);
} \
while (0)
-enum {
+enum
+{
op_LD0 = 0, op_LD1 = 1, op_ST = 2, op_3 = 3,
op_BC = 4, op_BLC = 5, op_LPC = 6, op_JC = 7,
op_ADD = 8, op_ADC = 9, op_SUB = 10, op_SBC = 11,
extern disassemble_info tm_print_insn_info;
static int
-dsmOneArcInst (addr, state)
- bfd_vma addr;
- struct arcDisState * state;
+dsmOneArcInst (bfd_vma addr, struct arcDisState * state)
{
int condCodeIsPartOfName = 0;
- int decodingClass;
+ a4_decoding_class decodingClass;
const char * instrName;
int repeatsOp = 0;
int fieldAisReg = 1;
state->_opcode = OPCODE (state->words[0]);
instrName = 0;
- decodingClass = 0; /* default! */
+ decodingClass = CLASS_A4_ARITH; /* default! */
repeatsOp = 0;
condCodeIsPartOfName=0;
state->commNum = 0;
state->flow = invalid_instr;
break;
}
- decodingClass = 5;
+ decodingClass = CLASS_A4_LD0;
break;
case op_LD1:
if (BIT (state->words[0],13))
{
instrName = "lr";
- decodingClass = 10;
+ decodingClass = CLASS_A4_LR;
}
else
{
- switch (BITS (state->words[0],10,11))
+ switch (BITS (state->words[0], 10, 11))
{
case 0:
instrName = "ld";
state->flow = invalid_instr;
break;
}
- decodingClass = 6;
+ decodingClass = CLASS_A4_LD1;
}
break;
case op_ST:
- if (BIT (state->words[0],25))
+ if (BIT (state->words[0], 25))
{
instrName = "sr";
- decodingClass = 8;
+ decodingClass = CLASS_A4_SR;
}
else
{
- switch (BITS (state->words[0],22,23))
+ switch (BITS (state->words[0], 22, 23))
{
case 0:
instrName = "st";
state->flow = invalid_instr;
break;
}
- decodingClass = 7;
+ decodingClass = CLASS_A4_ST;
}
break;
case op_3:
- decodingClass = 1; /* default for opcode 3... */
+ decodingClass = CLASS_A4_OP3_GENERAL; /* default for opcode 3... */
switch (FIELDC (state->words[0]))
{
case 0:
instrName = "flag";
- decodingClass = 2;
+ decodingClass = CLASS_A4_FLAG;
break;
case 1:
instrName = "asr";
break;
case 0x3f:
{
- decodingClass = 9;
- switch( FIELDD (state->words[0]) )
+ decodingClass = CLASS_A4_OP3_SUBOPC3F;
+ switch (FIELDD (state->words[0]))
{
case 0:
instrName = "brk";
instrName = instruction_name (state,
state->_opcode,
FIELDC (state->words[0]),
- & flags);
+ &flags);
if (!instrName)
{
instrName = "???";
}
}
condCodeIsPartOfName = 1;
- decodingClass = ((state->_opcode == op_JC) ? 4 : 3);
+ decodingClass = ((state->_opcode == op_JC) ? CLASS_A4_JC : CLASS_A4_BRANCH );
state->isBranch = 1;
break;
case op_ADC:
case op_AND:
repeatsOp = (FIELDC (state->words[0]) == FIELDB (state->words[0]));
- decodingClass = 0;
switch (state->_opcode)
{
case op_XOR:
if (state->words[0] == 0x7fffffff)
{
- /* nop encoded as xor -1, -1, -1 */
+ /* NOP encoded as xor -1, -1, -1. */
instrName = "nop";
- decodingClass = 9;
+ decodingClass = CLASS_A4_OP3_SUBOPC3F;
}
else
instrName = "xor";
switch (decodingClass)
{
- case 0:
+ case CLASS_A4_ARITH:
CHECK_FIELD_A ();
CHECK_FIELD_B ();
if (!repeatsOp)
if (!repeatsOp)
WRITE_FORMAT_COMMA_x (C);
WRITE_NOP_COMMENT ();
- my_sprintf (state, state->operandBuffer, formatString, fieldA, fieldB, fieldC);
+ arc_sprintf (state, state->operandBuffer, formatString,
+ fieldA, fieldB, fieldC);
}
else
{
WRITE_FORMAT_x (B);
if (!repeatsOp)
WRITE_FORMAT_COMMA_x (C);
- my_sprintf (state, state->operandBuffer, formatString, fieldB, fieldC);
+ arc_sprintf (state, state->operandBuffer, formatString,
+ fieldB, fieldC);
}
write_comments ();
break;
- case 1:
+ case CLASS_A4_OP3_GENERAL:
CHECK_FIELD_A ();
CHECK_FIELD_B ();
CHECK_FLAG_COND_NULLIFY ();
WRITE_FORMAT_x (A);
WRITE_FORMAT_COMMA_x (B);
WRITE_NOP_COMMENT ();
- my_sprintf (state, state->operandBuffer, formatString, fieldA, fieldB);
+ arc_sprintf (state, state->operandBuffer, formatString,
+ fieldA, fieldB);
}
else
{
WRITE_FORMAT_x (B);
- my_sprintf (state, state->operandBuffer, formatString, fieldB);
+ arc_sprintf (state, state->operandBuffer, formatString, fieldB);
}
write_comments ();
break;
- case 2:
+ case CLASS_A4_FLAG:
CHECK_FIELD_B ();
CHECK_FLAG_COND_NULLIFY ();
- flag = 0; /* this is the FLAG instruction -- it's redundant */
+ flag = 0; /* This is the FLAG instruction -- it's redundant. */
write_instr_name ();
WRITE_FORMAT_x (B);
- my_sprintf (state, state->operandBuffer, formatString, fieldB);
+ arc_sprintf (state, state->operandBuffer, formatString, fieldB);
write_comments ();
break;
- case 3:
+ case CLASS_A4_BRANCH:
fieldA = BITS (state->words[0],7,26) << 2;
- fieldA = (fieldA << 10) >> 10; /* make it signed */
+ fieldA = (fieldA << 10) >> 10; /* Make it signed. */
fieldA += addr + 4;
CHECK_FLAG_COND_NULLIFY ();
flag = 0;
/* This address could be a label we know. Convert it. */
if (state->_opcode != op_LPC /* LP */)
{
- add_target (fieldA); /* For debugger. */
- state->flow = state->_opcode == op_BLC /* BL */
- ? direct_call
- : direct_jump;
- /* indirect calls are achieved by "lr blink,[status];
- lr dest<- func addr; j [dest]" */
+ add_target (fieldA); /* For debugger. */
+ state->flow = state->_opcode == op_BLC /* BL */
+ ? direct_call
+ : direct_jump;
+ /* indirect calls are achieved by "lr blink,[status];
+ lr dest<- func addr; j [dest]" */
}
- strcat (formatString, "%s"); /* address/label name */
- my_sprintf (state, state->operandBuffer, formatString, post_address (state, fieldA));
+ strcat (formatString, "%s"); /* Address/label name. */
+ arc_sprintf (state, state->operandBuffer, formatString,
+ post_address (state, fieldA));
write_comments ();
break;
- case 4:
+ case CLASS_A4_JC:
/* For op_JC -- jump to address specified.
Also covers jump and link--bit 9 of the instr. word
selects whether linked, thus "is_linked" is set above. */
if (!fieldBisReg)
{
fieldAisReg = 0;
- fieldA = (fieldB >> 25) & 0x7F; /* flags */
+ fieldA = (fieldB >> 25) & 0x7F; /* Flags. */
fieldB = (fieldB & 0xFFFFFF) << 2;
state->flow = is_linked ? direct_call : direct_jump;
add_target (fieldB);
- /* screwy JLcc requires .jd mode to execute correctly
- * but we pretend it is .nd (no delay slot). */
+ /* Screwy JLcc requires .jd mode to execute correctly
+ but we pretend it is .nd (no delay slot). */
if (is_linked && state->nullifyMode == BR_exec_when_jump)
state->nullifyMode = BR_exec_when_no_jump;
}
{
state->flow = is_linked ? indirect_call : indirect_jump;
/* We should also treat this as indirect call if NOT linked
- * but the preceding instruction was a "lr blink,[status]"
- * and we have a delay slot with "add blink,blink,2".
- * For now we can't detect such. */
+ but the preceding instruction was a "lr blink,[status]"
+ and we have a delay slot with "add blink,blink,2".
+ For now we can't detect such. */
state->register_for_indirect_jump = fieldB;
}
write_instr_name ();
strcat (formatString,
- IS_REG (B) ? "[%r]" : "%s"); /* address/label name */
+ IS_REG (B) ? "[%r]" : "%s"); /* Address/label name. */
if (fieldA != 0)
{
fieldAisReg = 0;
WRITE_FORMAT_COMMA_x (A);
}
if (IS_REG (B))
- my_sprintf (state, state->operandBuffer, formatString, fieldB, fieldA);
+ arc_sprintf (state, state->operandBuffer, formatString, fieldB, fieldA);
else
- my_sprintf (state, state->operandBuffer, formatString,
+ arc_sprintf (state, state->operandBuffer, formatString,
post_address (state, fieldB), fieldA);
write_comments ();
break;
- case 5:
+ case CLASS_A4_LD0:
/* LD instruction.
B and C can be regs, or one (both?) can be limm. */
CHECK_FIELD_A ();
state->_offset += fieldC;
state->_mem_load = 1;
- directMem = BIT (state->words[0],5);
- addrWriteBack = BIT (state->words[0],3);
- signExtend = BIT (state->words[0],0);
+ directMem = BIT (state->words[0], 5);
+ addrWriteBack = BIT (state->words[0], 3);
+ signExtend = BIT (state->words[0], 0);
write_instr_name ();
WRITE_FORMAT_x_COMMA_LB(A);
fieldB = fieldC;
WRITE_FORMAT_x_RB (C);
- my_sprintf (state, state->operandBuffer, formatString, fieldA, fieldB, fieldC);
+ arc_sprintf (state, state->operandBuffer, formatString,
+ fieldA, fieldB, fieldC);
write_comments ();
break;
- case 6:
+ case CLASS_A4_LD1:
/* LD instruction. */
CHECK_FIELD_B ();
CHECK_FIELD_A ();
state->_mem_load = 1;
if (fieldBisReg)
state->ea_reg1 = fieldB;
- /* field B is either a shimm (same as fieldC) or limm (different!)
+ /* Field B is either a shimm (same as fieldC) or limm (different!)
Say ea is not present, so only one of us will do the name lookup. */
else
state->_offset += fieldB, state->_ea_present = 0;
else
WRITE_FORMAT_RB ();
}
- my_sprintf (state, state->operandBuffer, formatString, fieldA, fieldB, fieldC);
+ arc_sprintf (state, state->operandBuffer, formatString,
+ fieldA, fieldB, fieldC);
write_comments ();
break;
- case 7:
+ case CLASS_A4_ST:
/* ST instruction. */
CHECK_FIELD_B();
CHECK_FIELD_C();
/* [B,A offset] */
if (dbg) printf("7:b reg %d %x off %x\n",
- fieldBisReg,fieldB,fieldA);
+ fieldBisReg,fieldB,fieldA);
state->_ea_present = 1;
state->_offset = fieldA;
if (fieldBisReg)
state->ea_reg1 = fieldB;
- /* field B is either a shimm (same as fieldA) or limm (different!)
+ /* Field B is either a shimm (same as fieldA) or limm (different!)
Say ea is not present, so only one of us will do the name lookup.
(for is_limm we do the name translation here). */
else
state->_offset += fieldB, state->_ea_present = 0;
- directMem = BIT(state->words[0],26);
- addrWriteBack = BIT(state->words[0],24);
+ directMem = BIT (state->words[0], 26);
+ addrWriteBack = BIT (state->words[0], 24);
- write_instr_name();
+ write_instr_name ();
WRITE_FORMAT_x_COMMA_LB(C);
if (!fieldBisReg)
{
fieldB = state->_offset;
- WRITE_FORMAT_x_RB(B);
+ WRITE_FORMAT_x_RB (B);
}
else
{
- WRITE_FORMAT_x(B);
+ WRITE_FORMAT_x (B);
if (fieldBisReg && fieldA != 0)
{
fieldAisReg = 0;
else
WRITE_FORMAT_RB();
}
- my_sprintf (state, state->operandBuffer, formatString, fieldC, fieldB, fieldA);
- write_comments2(fieldA);
+ arc_sprintf (state, state->operandBuffer, formatString,
+ fieldC, fieldB, fieldA);
+ write_comments2 (fieldA);
break;
- case 8:
+
+ case CLASS_A4_SR:
/* SR instruction */
CHECK_FIELD_B();
CHECK_FIELD_C();
- write_instr_name();
+ write_instr_name ();
WRITE_FORMAT_x_COMMA_LB(C);
/* Try to print B as an aux reg if it is not a core reg. */
usesAuxReg = 1;
- WRITE_FORMAT_x(B);
- WRITE_FORMAT_RB();
- my_sprintf (state, state->operandBuffer, formatString, fieldC, fieldB);
- write_comments();
+ WRITE_FORMAT_x (B);
+ WRITE_FORMAT_RB ();
+ arc_sprintf (state, state->operandBuffer, formatString, fieldC, fieldB);
+ write_comments ();
break;
- case 9:
- write_instr_name();
+ case CLASS_A4_OP3_SUBOPC3F:
+ write_instr_name ();
state->operandBuffer[0] = '\0';
break;
- case 10:
+ case CLASS_A4_LR:
/* LR instruction */
- CHECK_FIELD_A();
- CHECK_FIELD_B();
+ CHECK_FIELD_A ();
+ CHECK_FIELD_B ();
- write_instr_name();
- WRITE_FORMAT_x_COMMA_LB(A);
+ write_instr_name ();
+ WRITE_FORMAT_x_COMMA_LB (A);
/* Try to print B as an aux reg if it is not a core reg. */
usesAuxReg = 1;
- WRITE_FORMAT_x(B);
- WRITE_FORMAT_RB();
- my_sprintf (state, state->operandBuffer, formatString, fieldA, fieldB);
- write_comments();
- break;
-
- case 11:
- CHECK_COND();
- write_instr_name();
- state->operandBuffer[0] = '\0';
+ WRITE_FORMAT_x (B);
+ WRITE_FORMAT_RB ();
+ arc_sprintf (state, state->operandBuffer, formatString, fieldA, fieldB);
+ write_comments ();
break;
default:
/* Returns the name the user specified core extension register. */
+
static const char *
-_coreRegName(arg, regval)
- void * arg ATTRIBUTE_UNUSED;
- int regval;
+_coreRegName(void * arg ATTRIBUTE_UNUSED, int regval)
{
return arcExtMap_coreRegName (regval);
}
/* Returns the name the user specified AUX extension register. */
+
static const char *
_auxRegName(void *_this ATTRIBUTE_UNUSED, int regval)
{
- return arcExtMap_auxRegName(regval);
+ return arcExtMap_auxRegName(regval);
}
-
/* Returns the name the user specified condition code name. */
+
static const char *
_condCodeName(void *_this ATTRIBUTE_UNUSED, int regval)
{
- return arcExtMap_condCodeName(regval);
+ return arcExtMap_condCodeName(regval);
}
/* Returns the name the user specified extension instruction. */
+
static const char *
_instName (void *_this ATTRIBUTE_UNUSED, int majop, int minop, int *flags)
{
- return arcExtMap_instName(majop, minop, flags);
+ return arcExtMap_instName(majop, minop, flags);
}
/* Decode an instruction returning the size of the instruction
in bytes or zero if unrecognized. */
+
static int
-decodeInstr (address, info)
- bfd_vma address; /* Address of this instruction. */
- disassemble_info * info;
+decodeInstr (bfd_vma address, /* Address of this instruction. */
+ disassemble_info * info)
{
int status;
bfd_byte buffer[4];
- struct arcDisState s; /* ARC Disassembler state */
- void *stream = info->stream; /* output stream */
+ struct arcDisState s; /* ARC Disassembler state. */
+ void *stream = info->stream; /* Output stream. */
fprintf_ftype func = info->fprintf_func;
- int bytes;
memset (&s, 0, sizeof(struct arcDisState));
s.words[0] = bfd_getl32(buffer);
else
s.words[0] = bfd_getb32(buffer);
- /* always read second word in case of limm */
+ /* Always read second word in case of limm. */
- /* we ignore the result since last insn may not have a limm */
+ /* We ignore the result since last insn may not have a limm. */
status = (*info->read_memory_func) (address + 4, buffer, 4, info);
if (info->endian == BFD_ENDIAN_LITTLE)
s.words[1] = bfd_getl32(buffer);
s.condCodeName = _condCodeName;
s.instName = _instName;
- /* disassemble */
- bytes = dsmOneArcInst(address, (void *)&s);
+ /* Disassemble. */
+ dsmOneArcInst (address, & s);
- /* display the disassembly instruction */
- (*func) (stream, "%08x ", s.words[0]);
+ /* Display the disassembly instruction. */
+ (*func) (stream, "%08lx ", s.words[0]);
(*func) (stream, " ");
-
(*func) (stream, "%-10s ", s.instrBuffer);
- if (__TRANSLATION_REQUIRED(s))
+ if (__TRANSLATION_REQUIRED (s))
{
bfd_vma addr = s.addresses[s.operandBuffer[1] - '0'];
+
(*info->print_address_func) ((bfd_vma) addr, info);
(*func) (stream, "\n");
}
else
(*func) (stream, "%s",s.operandBuffer);
+
return s.instructionLen;
}
arc_get_disassembler (void *ptr)
{
if (ptr)
- build_ARC_extmap (ptr);
+ build_ARC_extmap ((struct bfd *) ptr);
return decodeInstr;
}
projects / deliverable / binutils-gdb.git / blobdiff