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winedbg: Add load word operators to Thumb2 disassembler.

This commit is contained in:
André Hentschel 2012-08-23 23:39:55 +02:00 committed by Alexandre Julliard
parent 144a692ffa
commit 054d930bb7
1 changed files with 52 additions and 2 deletions
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54
programs/winedbg/be_arm.c
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@ -760,6 +760,56 @@ static UINT thumb2_disasm_longmuldiv(UINT inst, ADDRESS64 *addr)
return inst;
}
static UINT thumb2_disasm_ldrword(UINT inst, ADDRESS64 *addr)
{
WORD op1 = (inst >> 23) & 0x01;
WORD op2 = (inst >> 6) & 0x3f;
int offset;
if (get_nibble(inst, 4) == 0x0f)
{
offset = inst & 0x0fff;
if (!op1) offset *= -1;
offset += 3;
dbg_printf("\n\tldr\t%s, ", tbl_regs[get_nibble(inst, 3)]);
db_printsym(addr->Offset + offset);
return 0;
}
if (!op1 && !op2)
{
dbg_printf("\n\tldr\t%s, [%s, %s, LSL #%u]", tbl_regs[get_nibble(inst, 3)],
tbl_regs[get_nibble(inst, 4)], tbl_regs[get_nibble(inst, 0)], (inst >> 4) & 0x3);
return 0;
}
if (!op1 && (op2 & 0x3c) == 0x38)
{
dbg_printf("\n\tldrt\t%s, [%s, #%u]", tbl_regs[get_nibble(inst, 3)],
tbl_regs[get_nibble(inst, 4)], inst & 0xff);
return 0;
}
dbg_printf("\n\tldr\t%s, [%s", tbl_regs[get_nibble(inst, 3)], tbl_regs[get_nibble(inst, 4)]);
if (op1)
{
dbg_printf(", #%u]", inst & 0x0fff);
return 0;
}
offset = inst & 0xff;
if (!(inst & 0x0200)) offset *= -1;
if (!(inst & 0x0400) && (inst & 0x0100)) dbg_printf("], #%i", offset);
else if (inst & 0x0400) dbg_printf(", #%i]%s", offset, (inst & 0x0100)?"!":"");
else return inst;
return 0;
}
static UINT thumb2_disasm_coprocmov1(UINT inst, ADDRESS64 *addr)
{
WORD opc1 = (inst >> 21) & 0x07;
@ -842,8 +892,8 @@ static const struct inst_arm tbl_thumb32[] = {
{ 0xff8000c0, 0xfb000000, thumb2_disasm_mul },
{ 0xff8000f0, 0xfb800000, thumb2_disasm_longmuldiv },
{ 0xff8000f0, 0xfb8000f0, thumb2_disasm_longmuldiv },
{ 0xef100010, 0xee100010, thumb2_disasm_coprocmov1 },
{ 0xef100010, 0xee000010, thumb2_disasm_coprocmov1 },
{ 0xff700000, 0xf8500000, thumb2_disasm_ldrword },
{ 0xef000010, 0xee000010, thumb2_disasm_coprocmov1 },
{ 0x00000000, 0x00000000, NULL }
};