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

winedbg: Add load non-word operators to Thumb2 disassembler.

This commit is contained in:
André Hentschel 2012-10-07 17:34:46 +02:00 committed by Alexandre Julliard
parent 13da3a92fd
commit a0ae8b4bd2
1 changed files with 63 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
programs/winedbg/be_arm.c
View File

@ -992,6 +992,68 @@ static UINT thumb2_disasm_preload(UINT inst, ADDRESS64 *addr)
return inst;
}
static UINT thumb2_disasm_ldrnonword(UINT inst, ADDRESS64 *addr)
{
WORD op1 = (inst >> 23) & 0x03;
WORD hw = (inst >> 21) & 0x01;
if (!(op1 & 0x01) && !((inst >> 6) & 0x3f) && get_nibble(inst, 4) != 15)
{
WORD shift = (inst >> 4) & 0x03;
dbg_printf("\n\t%s%s\t%s, [%s, %s", op1?"ldrs":"ldr", hw?"h":"b",
tbl_regs[get_nibble(inst, 3)], tbl_regs[get_nibble(inst, 4)],
tbl_regs[get_nibble(inst, 0)]);
if (shift) dbg_printf(", lsl #%u]", shift);
else dbg_printf("]");
return 0;
}
if (!(op1 & 0x01) && ((inst >> 8) & 0x0f) == 14 && get_nibble(inst, 4) != 15)
{
WORD offset = inst & 0xff;
dbg_printf("\n\t%s%s\t%s, [%s", op1?"ldrs":"ldr", hw?"ht":"bt",
tbl_regs[get_nibble(inst, 3)], tbl_regs[get_nibble(inst, 4)]);
if (offset) dbg_printf(", #%u]", offset);
else dbg_printf("]");
return 0;
}
if (get_nibble(inst, 4) != 15)
{
int offset;
dbg_printf("\n\t%s%s\t%s, [%s", (op1 & 0x02)?"ldrs":"ldr", hw?"h":"b",
tbl_regs[get_nibble(inst, 3)], tbl_regs[get_nibble(inst, 4)]);
if (op1 & 0x01)
{
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;
}
if (get_nibble(inst, 4) == 15)
{
int offset = inst & 0x0fff;
if (!op1) offset *= -1;
dbg_printf("\n\t%s%s\t%s, ", (op1 & 0x02)?"ldrs":"ldr", hw?"h":"b",
tbl_regs[get_nibble(inst, 3)]);
db_printsym(addr->Offset + offset + 4);
return 0;
}
return inst;
}
static UINT thumb2_disasm_coprocdat(UINT inst, ADDRESS64 *addr)
{
WORD opc2 = (inst >> 5) & 0x07;
@ -1139,6 +1201,7 @@ static const struct inst_arm tbl_thumb32[] = {
{ 0xff100000, 0xf8000000, thumb2_disasm_str },
{ 0xff700000, 0xf8500000, thumb2_disasm_ldrword },
{ 0xfe70f000, 0xf810f000, thumb2_disasm_preload },
{ 0xfe500000, 0xf8100000, thumb2_disasm_ldrnonword },
{ 0xef000010, 0xee000000, thumb2_disasm_coprocdat },
{ 0xef000010, 0xee000010, thumb2_disasm_coprocmov1 },
{ 0xefe00000, 0xec400000, thumb2_disasm_coprocmov2 },