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winedbg: Add long multiplication and division operators to Thumb2 disassembler.

This commit is contained in:
André Hentschel 2012-06-10 20:09:10 +02:00 committed by Alexandre Julliard
parent 82dbeed2cc
commit 44411a3c7a
1 changed files with 52 additions and 0 deletions
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52
programs/winedbg/be_arm.c
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@ -631,6 +631,56 @@ static UINT thumb2_disasm_mul(UINT inst, ADDRESS64 *addr)
return inst;
}
static UINT thumb2_disasm_longmuldiv(UINT inst, ADDRESS64 *addr)
{
WORD op1 = (inst >> 20) & 0x07;
WORD op2 = (inst >> 4) & 0x0f;
if (op2 == 0)
{
switch (op1)
{
case 0:
dbg_printf("\n\tsmull\t");
break;
case 2:
dbg_printf("\n\tumull\t");
break;
case 4:
dbg_printf("\n\tsmlal\t");
break;
case 6:
dbg_printf("\n\tumlal\t");
break;
default:
return inst;
}
dbg_printf("%s, %s, %s, %s\t", tbl_regs[get_nibble(inst, 3)], tbl_regs[get_nibble(inst, 2)],
tbl_regs[get_nibble(inst, 4)], tbl_regs[get_nibble(inst, 0)]);
return 0;
}
if (op2 == 0xffff)
{
switch (op1)
{
case 1:
dbg_printf("\n\tsdiv\t");
break;
case 3:
dbg_printf("\n\tudiv\t");
break;
default:
return inst;
}
dbg_printf("%s, %s, %s\t", tbl_regs[get_nibble(inst, 2)], tbl_regs[get_nibble(inst, 4)],
tbl_regs[get_nibble(inst, 0)]);
return 0;
}
return inst;
}
struct inst_arm
{
UINT mask;
@ -686,6 +736,8 @@ static const struct inst_arm tbl_thumb32[] = {
{ 0xf800f800, 0xf000f800, thumb2_disasm_branchlinked },
{ 0xffc0f0c0, 0xfa80f080, thumb2_disasm_misc },
{ 0xff8000c0, 0xfb000000, thumb2_disasm_mul },
{ 0xff8000f0, 0xfb800000, thumb2_disasm_longmuldiv },
{ 0xff8000f0, 0xfb8000f0, thumb2_disasm_longmuldiv },
{ 0x00000000, 0x00000000, NULL }
};