/* Disassembler code for Renesas RX.
- Copyright 2008, 2009 Free Software Foundation, Inc.
+ Copyright (C) 2008-2020 Free Software Foundation, Inc.
Contributed by Red Hat.
Written by DJ Delorie.
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
+#include "sysdep.h"
#include <stdio.h>
#include "bfd.h"
#include "dis-asm.h"
#include "opcode/rx.h"
+#include "libiberty.h"
+#include "opintl.h"
+
+#include <setjmp.h>
typedef struct
{
disassemble_info * dis;
} RX_Data;
+struct private
+{
+ OPCODES_SIGJMP_BUF bailout;
+};
+
static int
rx_get_byte (void * vdata)
{
bfd_byte buf[1];
RX_Data *rx_data = (RX_Data *) vdata;
+ int status;
- rx_data->dis->read_memory_func (rx_data->pc,
- buf,
- 1,
- rx_data->dis);
+ status = rx_data->dis->read_memory_func (rx_data->pc,
+ buf,
+ 1,
+ rx_data->dis);
+ if (status != 0)
+ {
+ struct private *priv = (struct private *) rx_data->dis->private_data;
+
+ rx_data->dis->memory_error_func (status, rx_data->pc,
+ rx_data->dis);
+ OPCODES_SIGLONGJMP (priv->bailout, 1);
+ }
rx_data->pc ++;
return buf[0];
}
-static char const * size_names[] =
+static char const * size_names[RX_MAX_SIZE] =
{
- "", ".b", ".ub", ".b", ".w", ".uw", ".w", ".a", ".l"
+ "", ".b", ".ub", ".b", ".w", ".uw", ".w", ".a", ".l", "", "<error>"
};
-static char const * opsize_names[] =
+static char const * opsize_names[RX_MAX_SIZE] =
{
- "", ".b", ".b", ".b", ".w", ".w", ".w", ".a", ".l"
+ "", ".b", ".b", ".b", ".w", ".w", ".w", ".a", ".l", ".d", "<error>"
};
static char const * register_names[] =
{
- /* general registers */
+ /* General registers. */
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
- /* control register */
- "psw", "pc", "usp", "fpsw", "", "", "", "wr",
- "bpsw", "bpc", "isp", "fintv", "intb", "", "", "",
- "pbp", "pben", "", "", "", "", "", "",
- "bbpsw", "bbpc", "", "", "", "", "", ""
+ /* Control registers. */
+ "psw", "pc", "usp", "fpsw", NULL, NULL, NULL, NULL,
+ "bpsw", "bpc", "isp", "fintv", "intb", "extb", NULL, NULL,
+ "a0", "a1", NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
};
static char const * condition_names[] =
{
- /* condition codes */
+ /* Condition codes. */
"eq", "ne", "c", "nc", "gtu", "leu", "pz", "n",
- "ge", "lt", "gt", "le", "o", "no", "always", "never"
+ "ge", "lt", "gt", "le", "o", "no", "<invalid>", "<invalid>"
};
static const char * flag_names[] =
"", "", "", "", "", "", "", "",
};
+static const char * double_register_names[] =
+{
+ "dr0", "dr1", "dr2", "dr3", "dr4", "dr5", "dr6", "dr7",
+ "dr8", "dr9", "dr10", "dr11", "dr12", "dr13", "dr14", "dr15",
+};
+
+static const char * double_register_high_names[] =
+{
+ "drh0", "drh1", "drh2", "drh3", "drh4", "drh5", "drh6", "drh7",
+ "drh8", "drh9", "drh10", "drh11", "drh12", "drh13", "drh14", "drh15",
+};
+
+static const char * double_register_low_names[] =
+{
+ "drl0", "drl1", "drl2", "drl3", "drl4", "drl5", "drl6", "drl7",
+ "drl8", "drl9", "drl10", "drl11", "drl12", "drl13", "drl14", "drl15",
+};
+
+static const char * double_control_register_names[] =
+{
+ "dpsw", "dcmr", "decnt", "depc",
+};
+
+static const char * double_condition_names[] =
+{
+ "", "un", "eq", "", "lt", "", "le",
+};
+
+static inline const char *
+get_register_name (unsigned int reg)
+{
+ if (reg < ARRAY_SIZE (register_names))
+ return register_names[reg];
+ return _("<invalid register number>");
+}
+
+static inline const char *
+get_condition_name (unsigned int cond)
+{
+ if (cond < ARRAY_SIZE (condition_names))
+ return condition_names[cond];
+ return _("<invalid condition code>");
+}
+
+static inline const char *
+get_flag_name (unsigned int flag)
+{
+ if (flag < ARRAY_SIZE (flag_names))
+ return flag_names[flag];
+ return _("<invalid flag>");
+}
+
+static inline const char *
+get_double_register_name (unsigned int reg)
+{
+ if (reg < ARRAY_SIZE (double_register_names))
+ return double_register_names[reg];
+ return _("<invalid register number>");
+}
+
+static inline const char *
+get_double_register_high_name (unsigned int reg)
+{
+ if (reg < ARRAY_SIZE (double_register_high_names))
+ return double_register_high_names[reg];
+ return _("<invalid register number>");
+}
+
+static inline const char *
+get_double_register_low_name (unsigned int reg)
+{
+ if (reg < ARRAY_SIZE (double_register_low_names))
+ return double_register_low_names[reg];
+ return _("<invalid register number>");
+}
+
+static inline const char *
+get_double_control_register_name (unsigned int reg)
+{
+ if (reg < ARRAY_SIZE (double_control_register_names))
+ return double_control_register_names[reg];
+ return _("<invalid register number>");
+}
+
+static inline const char *
+get_double_condition_name (unsigned int cond)
+{
+ if (cond < ARRAY_SIZE (double_condition_names))
+ return double_condition_names[cond];
+ return _("<invalid condition code>");
+}
+
+static inline const char *
+get_opsize_name (unsigned int opsize)
+{
+ if (opsize < ARRAY_SIZE (opsize_names))
+ return opsize_names[opsize];
+ return _("<invalid opsize>");
+}
+
+static inline const char *
+get_size_name (unsigned int size)
+{
+ if (size < ARRAY_SIZE (size_names))
+ return size_names[size];
+ return _("<invalid size>");
+}
+
+
int
print_insn_rx (bfd_vma addr, disassemble_info * dis)
{
RX_Data rx_data;
RX_Opcode_Decoded opcode;
const char * s;
+ struct private priv;
+ dis->private_data = (PTR) &priv;
rx_data.pc = addr;
rx_data.dis = dis;
+ if (OPCODES_SIGSETJMP (priv.bailout) != 0)
+ {
+ /* Error return. */
+ return -1;
+ }
+
rv = rx_decode_opcode (addr, &opcode, rx_get_byte, &rx_data);
dis->bytes_per_line = 10;
#define PS (dis->stream)
#define PC(c) PR (PS, "%c", c)
+ /* Detect illegal instructions. */
+ if (opcode.op[0].size == RX_Bad_Size
+ || register_names [opcode.op[0].reg] == NULL
+ || register_names [opcode.op[1].reg] == NULL
+ || register_names [opcode.op[2].reg] == NULL)
+ {
+ bfd_byte buf[10];
+ int i;
+
+ PR (PS, ".byte ");
+ rx_data.dis->read_memory_func (rx_data.pc - rv, buf, rv, rx_data.dis);
+
+ for (i = 0 ; i < rv; i++)
+ PR (PS, "0x%02x ", buf[i]);
+ return rv;
+ }
+
for (s = opcode.syntax; *s; s++)
{
if (*s != '%')
break;
case 's':
- PR (PS, "%s", opsize_names[opcode.size]);
+ PR (PS, "%s", get_opsize_name (opcode.size));
break;
+ case 'b':
+ s ++;
+ if (*s == 'f')
+ {
+ int imm = opcode.op[2].addend;
+ int slsb, dlsb, width;
+
+ dlsb = (imm >> 5) & 0x1f;
+ slsb = (imm & 0x1f);
+ slsb = (slsb >= 0x10?(slsb ^ 0x1f) + 1:slsb);
+ slsb = dlsb - slsb;
+ slsb = (slsb < 0?-slsb:slsb);
+ width = ((imm >> 10) & 0x1f) - dlsb;
+ PR (PS, "#%d, #%d, #%d, %s, %s",
+ slsb, dlsb, width,
+ get_register_name (opcode.op[1].reg),
+ get_register_name (opcode.op[0].reg));
+ }
+ break;
case '0':
case '1':
case '2':
- oper = opcode.op + *s - '0';
+ oper = opcode.op + (*s - '0');
if (do_size)
{
- if (oper->type == RX_Operand_Indirect)
- PR (PS, "%s", size_names[oper->size]);
+ if (oper->type == RX_Operand_Indirect || oper->type == RX_Operand_Zero_Indirect)
+ PR (PS, "%s", get_size_name (oper->size));
}
else
switch (oper->type)
break;
case RX_Operand_Register:
case RX_Operand_TwoReg:
- PR (PS, "%s", register_names[oper->reg]);
+ PR (PS, "%s", get_register_name (oper->reg));
break;
case RX_Operand_Indirect:
- if (oper->addend)
- PR (PS, "%d[%s]", oper->addend, register_names[oper->reg]);
- else
- PR (PS, "[%s]", register_names[oper->reg]);
+ PR (PS, "%d[%s]", oper->addend, get_register_name (oper->reg));
+ break;
+ case RX_Operand_Zero_Indirect:
+ PR (PS, "[%s]", get_register_name (oper->reg));
break;
case RX_Operand_Postinc:
- PR (PS, "[%s+]", register_names[oper->reg]);
+ PR (PS, "[%s+]", get_register_name (oper->reg));
break;
case RX_Operand_Predec:
- PR (PS, "[-%s]", register_names[oper->reg]);
+ PR (PS, "[-%s]", get_register_name (oper->reg));
break;
case RX_Operand_Condition:
- PR (PS, "%s", condition_names[oper->reg]);
+ PR (PS, "%s", get_condition_name (oper->reg));
break;
case RX_Operand_Flag:
- PR (PS, "%s", flag_names[oper->reg]);
+ PR (PS, "%s", get_flag_name (oper->reg));
+ break;
+ case RX_Operand_DoubleReg:
+ PR (PS, "%s", get_double_register_name (oper->reg));
+ break;
+ case RX_Operand_DoubleRegH:
+ PR (PS, "%s", get_double_register_high_name (oper->reg));
+ break;
+ case RX_Operand_DoubleRegL:
+ PR (PS, "%s", get_double_register_low_name (oper->reg));
+ break;
+ case RX_Operand_DoubleCReg:
+ PR (PS, "%s", get_double_control_register_name (oper->reg));
+ break;
+ case RX_Operand_DoubleCond:
+ PR (PS, "%s", get_double_condition_name (oper->reg));
break;
default:
PR (PS, "[???]");
projects / deliverable / binutils-gdb.git / blobdiff