diff options
Diffstat (limited to 'contrib/binutils/opcodes/v850-dis.c')
| -rw-r--r-- | contrib/binutils/opcodes/v850-dis.c | 130 |
1 files changed, 129 insertions, 1 deletions
diff --git a/contrib/binutils/opcodes/v850-dis.c b/contrib/binutils/opcodes/v850-dis.c index da099bf..d817f80 100644 --- a/contrib/binutils/opcodes/v850-dis.c +++ b/contrib/binutils/opcodes/v850-dis.c @@ -18,9 +18,10 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include <stdio.h> -#include "ansidecl.h" +#include "sysdep.h" #include "opcode/v850.h" #include "dis-asm.h" +#include "opintl.h" static const char *const v850_reg_names[] = { "r0", "r1", "r2", "sp", "gp", "r5", "r6", "r7", @@ -31,6 +32,8 @@ static const char *const v850_reg_names[] = static const char *const v850_sreg_names[] = { "eipc", "eipsw", "fepc", "fepsw", "ecr", "psw", "sr6", "sr7", "sr8", "sr9", "sr10", "sr11", "sr12", "sr13", "sr14", "sr15", + "ctpc", "ctpsw", "dbpc", "dbpsw", "ctbp", "sr21", "sr22", "sr23", + "sr24", "sr25", "sr26", "sr27", "sr28", "sr29", "sr30", "sr31", "sr16", "sr17", "sr18", "sr19", "sr20", "sr21", "sr22", "sr23", "sr24", "sr25", "sr26", "sr27", "sr28", "sr29", "sr30", "sr31" }; @@ -51,6 +54,9 @@ disassemble (memaddr, info, insn) int bytes_read; int target_processor; + /* Special case: 32 bit MOV */ + if ((insn & 0xffe0) == 0x0620) + short_op = true; bytes_read = short_op ? 2 : 4; @@ -65,6 +71,13 @@ disassemble (memaddr, info, insn) target_processor = PROCESSOR_V850; break; + case bfd_mach_v850e: + target_processor = PROCESSOR_V850E; + break; + + case bfd_mach_v850ea: + target_processor = PROCESSOR_V850EA; + break; } /* Find the opcode. */ @@ -186,6 +199,121 @@ disassemble (memaddr, info, insn) break; } + case V850E_PUSH_POP: + { + static int list12_regs[32] = { 30, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 31, 29, 28, 23, 22, 21, 20, 27, 26, 25, 24 }; + static int list18_h_regs[32] = { 19, 18, 17, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 30, 31, 29, 28, 23, 22, 21, 20, 27, 26, 25, 24 }; + static int list18_l_regs[32] = { 3, 2, 1, -2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 14, 15, 13, 12, 7, 6, 5, 4, 11, 10, 9, 8 }; + int * regs; + int i; + unsigned long int mask = 0; + int pc = false; + int sr = false; + + + switch (operand->shift) + { + case 0xffe00001: regs = list12_regs; break; + case 0xfff8000f: regs = list18_h_regs; break; + case 0xfff8001f: regs = list18_l_regs; value &= ~0x10; break; /* Do not include magic bit */ + default: + /* xgettext:c-format */ + fprintf (stderr, _("unknown operand shift: %x\n"), operand->shift ); + abort(); + } + + for (i = 0; i < 32; i++) + { + if (value & (1 << i)) + { + switch (regs[ i ]) + { + default: mask |= (1 << regs[ i ]); break; + /* xgettext:c-format */ + case 0: fprintf (stderr, _("unknown pop reg: %d\n"), i ); abort(); + case -1: pc = true; break; + case -2: sr = true; break; + } + } + } + + info->fprintf_func (info->stream, "{"); + + if (mask || pc || sr) + { + if (mask) + { + unsigned int bit; + int shown_one = false; + + for (bit = 0; bit < 32; bit++) + if (mask & (1 << bit)) + { + unsigned long int first = bit; + unsigned long int last; + + if (shown_one) + info->fprintf_func (info->stream, ", "); + else + shown_one = true; + + info->fprintf_func (info->stream, v850_reg_names[first]); + + for (bit++; bit < 32; bit++) + if ((mask & (1 << bit)) == 0) + break; + + last = bit; + + if (last > first + 1) + { + info->fprintf_func (info->stream, " - %s", v850_reg_names[ last - 1 ]); + } + } + } + + if (pc) + info->fprintf_func (info->stream, "%sPC", mask ? ", " : ""); + if (sr) + info->fprintf_func (info->stream, "%sSR", (mask || pc) ? ", " : ""); + } + + info->fprintf_func (info->stream, "}"); + } + break; + + case V850E_IMMEDIATE16: + status = info->read_memory_func (memaddr + bytes_read, buffer, 2, info); + if (status == 0) + { + bytes_read += 2; + value = bfd_getl16 (buffer); + + /* If this is a DISPOSE instruction with ff set to 0x10, then shift value up by 16. */ + if ((insn & 0x001fffc0) == 0x00130780) + value <<= 16; + + info->fprintf_func (info->stream, "0x%x", value); + } + else + { + info->memory_error_func (status, memaddr + bytes_read, info); + } + break; + + case V850E_IMMEDIATE32: + status = info->read_memory_func (memaddr + bytes_read, buffer, 4, info); + if (status == 0) + { + bytes_read += 4; + value = bfd_getl32 (buffer); + info->fprintf_func (info->stream, "0x%lx", value); + } + else + { + info->memory_error_func (status, memaddr + bytes_read, info); + } + break; } /* Handle jmp correctly. */ |
