diff options
Diffstat (limited to 'lib/arm64/dis-arm64.inc.h')
-rw-r--r-- | lib/arm64/dis-arm64.inc.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/lib/arm64/dis-arm64.inc.h b/lib/arm64/dis-arm64.inc.h new file mode 100644 index 0000000..5317b89 --- /dev/null +++ b/lib/arm64/dis-arm64.inc.h @@ -0,0 +1,49 @@ +static INLINE void P(adrlabel_label_unk_Xd_1_ADR)(tdis_ctx ctx, struct bitslice Xd, struct bitslice label) { + return P(pcrel)(ctx, ctx->pc + sext(bs_get(label, ctx->op), 22), bs_get(Xd, ctx->op), PLM_ADR); +} +static INLINE void P(adrplabel_label_unk_Xd_1_ADRP)(tdis_ctx ctx, struct bitslice Xd, struct bitslice label) { + return P(pcrel)(ctx, ctx->pc + (sext(bs_get(label, ctx->op), 22) << 12), bs_get(Xd, ctx->op), PLM_ADR); +} +static INLINE void P(am_b_target_addr_B_1_B)(tdis_ctx ctx, struct bitslice addr) { + return P(branch)(ctx, ctx->pc + sext(bs_get(addr, ctx->op), 26) * 4, /*cond*/ false); +} +static INLINE void P(am_bl_target_addr_1_BL)(tdis_ctx ctx, struct bitslice addr) { + return P(branch)(ctx, ctx->pc + sext(bs_get(addr, ctx->op), 26) * 4, /*cond*/ false); +} +static INLINE void P(am_brcond_target_B_5_Bcc)(tdis_ctx ctx, struct bitslice target) { + return P(branch)(ctx, ctx->pc + sext(bs_get(target, ctx->op), 19) * 4, /*cond*/ true); +} +static INLINE void P(am_ldrlit_label_unk_Rt_6_LDRDl)(tdis_ctx ctx, struct bitslice Rt, struct bitslice label) { + enum pcrel_load_mode mode; + if ((ctx->op >> 26) & 1) { + switch (ctx->op >> 30) { + case 0: mode = PLM_U32_SIMD; break; + case 1: mode = PLM_U64_SIMD; break; + case 2: mode = PLM_U128_SIMD; break; + default: __builtin_abort(); + } + } else { + switch (ctx->op >> 30) { + case 0: mode = PLM_U32; break; + case 1: mode = PLM_U64; break; + case 2: mode = PLM_S32; break; + default: __builtin_abort(); + } + } + return P(pcrel)(ctx, ctx->pc + sext(bs_get(label, ctx->op), 19) * 4, bs_get(Rt, ctx->op), mode); +} +static INLINE void P(am_tbrcond_target_B_4_TBNZW)(tdis_ctx ctx, struct bitslice target) { + return P(branch)(ctx, ctx->pc + sext(bs_get(target, ctx->op), 14) * 4, /*cond*/ true); +} +static INLINE void P(GPR64_Rn_1_RET)(tdis_ctx ctx, UNUSED struct bitslice Rn) { + return P(ret)(ctx); +} + +static INLINE void P(dis)(tdis_ctx ctx) { + uint32_t op = ctx->op = *(uint32_t *) ctx->ptr; + ctx->op_size = 4; + /* clang doesn't realize that this is unreachable and generates code like + * "and ecx, 0x1f; cmp ecx, 0x1f; ja abort". Yeah, nice job there. */ + #include "../generated/generic-dis-arm64.inc.h" + __builtin_abort(); +} |