ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

winedbg: Add multiplication operators to Thumb2 disassembler.

This commit is contained in:
André Hentschel 2012-06-10 20:07:14 +02:00 committed by Alexandre Julliard
parent db48235880
commit 82dbeed2cc
1 changed files with 38 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
programs/winedbg/be_arm.c
View File

@ -594,6 +594,43 @@ static UINT thumb2_disasm_misc(UINT inst, ADDRESS64 *addr)
return inst; return inst;
} }
static UINT thumb2_disasm_mul(UINT inst, ADDRESS64 *addr)
{
WORD op1 = (inst >> 20) & 0x07;
WORD op2 = (inst >> 4) & 0x03;
if (op1)
return inst;
if (op2 == 0 && get_nibble(inst, 3) != 0xf)
{
dbg_printf("\n\tmla\t%s, %s, %s, %s\t", tbl_regs[get_nibble(inst, 2)],
tbl_regs[get_nibble(inst, 4)],
tbl_regs[get_nibble(inst, 0)],
tbl_regs[get_nibble(inst, 3)]);
return 0;
}
if (op2 == 0 && get_nibble(inst, 3) == 0xf)
{
dbg_printf("\n\tmul\t%s, %s, %s\t", tbl_regs[get_nibble(inst, 2)],
tbl_regs[get_nibble(inst, 4)],
tbl_regs[get_nibble(inst, 0)]);
return 0;
}
if (op2 == 1)
{
dbg_printf("\n\tmls\t%s, %s, %s, %s\t", tbl_regs[get_nibble(inst, 2)],
tbl_regs[get_nibble(inst, 4)],
tbl_regs[get_nibble(inst, 0)],
tbl_regs[get_nibble(inst, 3)]);
return 0;
}
return inst;
}
struct inst_arm struct inst_arm
{ {
UINT mask; UINT mask;
@ -648,6 +685,7 @@ static const struct inst_thumb16 tbl_thumb16[] = {
static const struct inst_arm tbl_thumb32[] = { static const struct inst_arm tbl_thumb32[] = {
{ 0xf800f800, 0xf000f800, thumb2_disasm_branchlinked }, { 0xf800f800, 0xf000f800, thumb2_disasm_branchlinked },
{ 0xffc0f0c0, 0xfa80f080, thumb2_disasm_misc }, { 0xffc0f0c0, 0xfa80f080, thumb2_disasm_misc },
{ 0xff8000c0, 0xfb000000, thumb2_disasm_mul },
{ 0x00000000, 0x00000000, NULL } { 0x00000000, 0x00000000, NULL }
}; };