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winedbg: Add shifted register dataprocessing operators to Thumb2 disassembler.

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André Hentschel 2013-01-06 18:05:56 +01:00 committed by Alexandre Julliard
parent da817d8e91
commit 2b9555fba8
1 changed files with 95 additions and 0 deletions
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95
programs/winedbg/be_arm.c
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@ -1206,6 +1206,100 @@ static UINT thumb2_disasm_dataprocessingmod(UINT inst, ADDRESS64 *addr)
}
}
static UINT thumb2_disasm_dataprocessingshift(UINT inst, ADDRESS64 *addr)
{
WORD op = (inst >> 21) & 0x0f;
WORD sf = (inst >> 20) & 0x01;
WORD imm5 = ((inst >> 10) & 0x1c) + ((inst >> 6) & 0x03);
WORD type = (inst >> 4) & 0x03;
if (!imm5 && (type == 1 || type == 2)) imm5 = 32;
else if (!imm5 && type == 3) type = 4;
switch (op)
{
case 0:
if (get_nibble(inst, 2) == 15)
dbg_printf("\n\ttst\t%s, %s", tbl_regs[get_nibble(inst, 4)],
tbl_regs[get_nibble(inst, 0)]);
else
dbg_printf("\n\tand%s\t%s, %s, %s", sf ? "s" : "", tbl_regs[get_nibble(inst, 2)],
tbl_regs[get_nibble(inst, 4)], tbl_regs[get_nibble(inst, 0)]);
break;
case 1:
dbg_printf("\n\tbic%s\t%s, %s, %s", sf ? "s" : "", tbl_regs[get_nibble(inst, 2)],
tbl_regs[get_nibble(inst, 4)], tbl_regs[get_nibble(inst, 0)]);
break;
case 2:
if (get_nibble(inst, 4) == 15)
{
if (type == 4)
dbg_printf("\n\trrx%s\t%s, %s", sf ? "s" : "", tbl_regs[get_nibble(inst, 2)], tbl_regs[get_nibble(inst, 0)]);
else if (!type && !imm5)
dbg_printf("\n\tmov%s\t%s, %s", sf ? "s" : "", tbl_regs[get_nibble(inst, 2)], tbl_regs[get_nibble(inst, 0)]);
else
dbg_printf("\n\t%s%s\t%s, %s, #%u", tbl_shifts[type], sf ? "s" : "", tbl_regs[get_nibble(inst, 2)], tbl_regs[get_nibble(inst, 0)], imm5);
return 0;
}
else
dbg_printf("\n\torr%s\t%s, %s, %s", sf ? "s" : "", tbl_regs[get_nibble(inst, 2)],
tbl_regs[get_nibble(inst, 4)], tbl_regs[get_nibble(inst, 0)]);
break;
case 3:
if (get_nibble(inst, 4) == 15)
dbg_printf("\n\tmvn%s\t%s, %s, %s", sf ? "s" : "", tbl_regs[get_nibble(inst, 2)],
tbl_regs[get_nibble(inst, 4)], tbl_regs[get_nibble(inst, 0)]);
else
dbg_printf("\n\torn%s\t%s, %s, %s", sf ? "s" : "", tbl_regs[get_nibble(inst, 2)],
tbl_regs[get_nibble(inst, 4)], tbl_regs[get_nibble(inst, 0)]);
break;
case 4:
if (get_nibble(inst, 2) == 15)
dbg_printf("\n\tteq\t%s, %s", tbl_regs[get_nibble(inst, 4)],
tbl_regs[get_nibble(inst, 0)]);
else
dbg_printf("\n\teor%s\t%s, %s, %s", sf ? "s" : "", tbl_regs[get_nibble(inst, 2)],
tbl_regs[get_nibble(inst, 4)], tbl_regs[get_nibble(inst, 0)]);
break;
case 8:
if (get_nibble(inst, 2) == 15)
dbg_printf("\n\tcmn\t%s, %s", tbl_regs[get_nibble(inst, 4)],
tbl_regs[get_nibble(inst, 0)]);
else
dbg_printf("\n\tadd%s\t%s, %s, %s", sf ? "s" : "", tbl_regs[get_nibble(inst, 2)],
tbl_regs[get_nibble(inst, 4)], tbl_regs[get_nibble(inst, 0)]);
break;
case 10:
dbg_printf("\n\tadc%s\t%s, %s, %s", sf ? "s" : "", tbl_regs[get_nibble(inst, 2)],
tbl_regs[get_nibble(inst, 4)], tbl_regs[get_nibble(inst, 0)]);
break;
case 11:
dbg_printf("\n\tsbc%s\t%s, %s, %s", sf ? "s" : "", tbl_regs[get_nibble(inst, 2)],
tbl_regs[get_nibble(inst, 4)], tbl_regs[get_nibble(inst, 0)]);
break;
case 13:
if (get_nibble(inst, 2) == 15)
dbg_printf("\n\tcmp\t%s, %s", tbl_regs[get_nibble(inst, 4)],
tbl_regs[get_nibble(inst, 0)]);
else
dbg_printf("\n\tsub%s\t%s, %s, %s", sf ? "s" : "", tbl_regs[get_nibble(inst, 2)],
tbl_regs[get_nibble(inst, 4)], tbl_regs[get_nibble(inst, 0)]);
break;
case 14:
dbg_printf("\n\trsb%s\t%s, %s, %s", sf ? "s" : "", tbl_regs[get_nibble(inst, 2)],
tbl_regs[get_nibble(inst, 4)], tbl_regs[get_nibble(inst, 0)]);
break;
default:
return inst;
}
if (type == 4)
dbg_printf(", rrx");
else if (type || imm5)
dbg_printf(", %s #%u", tbl_shifts[type], imm5);
return 0;
}
static UINT thumb2_disasm_coprocdat(UINT inst, ADDRESS64 *addr)
{
WORD opc2 = (inst >> 5) & 0x07;
@ -1444,6 +1538,7 @@ static const struct inst_arm tbl_thumb32[] = {
{ 0xfe500000, 0xf8100000, thumb2_disasm_ldrnonword },
{ 0xfa008000, 0xf2000000, thumb2_disasm_dataprocessing },
{ 0xfa008000, 0xf0000000, thumb2_disasm_dataprocessingmod },
{ 0xfe008000, 0xea000000, thumb2_disasm_dataprocessingshift },
{ 0xef000010, 0xee000000, thumb2_disasm_coprocdat },
{ 0xef000010, 0xee000010, thumb2_disasm_coprocmov1 },
{ 0xefe00000, 0xec400000, thumb2_disasm_coprocmov2 },