diff options
Diffstat (limited to 'lib/dis-thumb.inc.h')
| -rw-r--r-- | lib/dis-thumb.inc.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/lib/dis-thumb.inc.h b/lib/dis-thumb.inc.h index a0434bc..6d9683e 100644 --- a/lib/dis-thumb.inc.h +++ b/lib/dis-thumb.inc.h @@ -53,14 +53,26 @@ static INLINE void P(t_bcctarget_target_B_1_tBcc)(tdis_ctx ctx, struct bitslice return P(branch)(ctx, ctx->pc + 4 + 2 * sext(bs_get(target, ctx->op), 8), /*cond*/ true); } static INLINE void P(t_brtarget_target_B_1_tB)(tdis_ctx ctx, struct bitslice target) { - return P(branch)(ctx, ctx->pc + 4 + 2 * sext(bs_get(target, ctx->op), 11), /*cond*/ false); + bool cond = ctx->arch.thumb_it_length > 0; + return P(branch)(ctx, ctx->pc + 4 + 2 * sext(bs_get(target, ctx->op), 11), cond); } static INLINE void P(t_cbtarget_target_B_2_tCBNZ)(tdis_ctx ctx, struct bitslice target) { return P(branch)(ctx, ctx->pc + 4 + 2 * bs_get(target, ctx->op), /*cond*/ true); } +static INLINE void P(it_pred_cc_it_mask_mask_1_t2IT)(tdis_ctx ctx, struct bitslice mask, UNUSED struct bitslice cc) { + /* why */ + unsigned mask_val = bs_get(mask, ctx->op); + unsigned length = __builtin_ctz(mask_val); + if (length >= 3) + return P(unidentified)(ctx); /* nop */ + ctx->arch.thumb_it_length = length; + return P(unidentified)(ctx); +} static INLINE void P(dis_thumb)(tdis_ctx ctx) { uint16_t op = ctx->op = *(uint16_t *) ctx->ptr; + if (ctx->arch.thumb_it_length) + ctx->arch.thumb_it_length--; ctx->op_size = 2; #include "../generated/generic-dis-thumb.inc.h" __builtin_abort(); |