#include "dis.h" static INLINE void P(GPR_Rm_unk_Rdn_1_tADDhirr)(tdis_ctx ctx, struct bitslice Rdn, struct bitslice Rm) { data(rout(Rdn), r(Rm), r(Rdn)); /* yes, twice */ } static INLINE void P(unk_Rdn_1_tADDrSP)(tdis_ctx ctx, UNUSED struct bitslice Rdn) { /* this doesn't support constants, and nobody's going to add pc, sp, so... */ return P(unidentified)(ctx); } static INLINE void P(GPR_Rm_1_tADDspr)(tdis_ctx ctx, UNUSED struct bitslice Rm) { /* ditto */ return P(unidentified)(ctx); } static INLINE void P(GPR_Rm_B_1_tBX)(tdis_ctx ctx, struct bitslice Rm) { unsigned val = bs_get(Rm, ctx->op); if (val == 15) /* bx pc */ return P(bad)(ctx); else if (val == 14) /* bx lr */ return P(ret)(ctx); return P(unidentified)(ctx); } static INLINE void P(GPR_Rm_unk_Rd_1_tMOVr)(tdis_ctx ctx, struct bitslice Rd, struct bitslice Rm) { unsigned Rd_val = bs_get(Rd, ctx->op); unsigned Rm_val = bs_get(Rm, ctx->op); /* does anyone do this? */ if (Rd_val == 15) return P(bad)(ctx); if (Rm_val == 15) return P(pcrel)(ctx, ctx->pc + 4, Rd_val, PLM_ADR); return P(unidentified)(ctx); } static INLINE void P(tGPR_Rn_reglist_regs_1_tLDMIA)(tdis_ctx ctx, UNUSED struct bitslice regs, UNUSED struct bitslice Rn) { return P(unidentified)(ctx); } static INLINE void P(tGPR_Rn_reglist_regs_S_1_tSTMIA_UPD)(tdis_ctx ctx, UNUSED struct bitslice regs, UNUSED struct bitslice Rn) { return P(unidentified)(ctx); } static INLINE void P(reglist_regs_1_tPOP)(tdis_ctx ctx, struct bitslice regs) { unsigned regs_val = bs_get(regs, ctx->op); if(regs_val & (1 << 15)) return P(ret)(ctx); return P(unidentified)(ctx); } static INLINE void P(reglist_regs_S_1_tPUSH)(tdis_ctx ctx, UNUSED struct bitslice regs) { return P(unidentified)(ctx); } static INLINE void P(t_addrmode_pc_addr_unk_Rt_1_tLDRpci)(tdis_ctx ctx, struct bitslice addr, struct bitslice Rt) { return P(pcrel)(ctx, ((ctx->pc + 4) & ~2) + bs_get(addr, ctx->op), bs_get(Rt, ctx->op), PLM_U32); } static INLINE void P(t_adrlabel_addr_unk_Rd_1_tADR)(tdis_ctx ctx, struct bitslice addr, struct bitslice Rd) { return P(pcrel)(ctx, ((ctx->pc + 4) & ~2) + bs_get(addr, ctx->op), bs_get(Rd, ctx->op), PLM_ADR); } static INLINE void P(t_bcctarget_target_B_1_tBcc)(tdis_ctx ctx, struct bitslice target) { 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) { 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; ctx->op_size = 2; if (ctx->arch.thumb_it_length) ctx->arch.thumb_it_length--; #include "../generated/generic-dis-thumb.inc.h" __builtin_abort(); }