diff options
Diffstat (limited to 'lib/dis.h')
| -rw-r--r-- | lib/dis.h | 37 |
1 files changed, 32 insertions, 5 deletions
@@ -2,6 +2,7 @@ #include <stdbool.h> #define UNUSED __attribute__((unused)) +#define INLINE inline __attribute__((always_inline)) struct bitslice_run { int inpos, outpos, len; @@ -12,11 +13,6 @@ struct bitslice { const struct bitslice_run *runs; }; -struct dis_data_operand { - struct bitslice n; - bool out; -}; - static inline int sext(unsigned val, int bits) { return val & (1 << (bits - 1)) ? ((int)val - (1 << bits)) : (int)val; } @@ -61,3 +57,34 @@ static inline struct bitslice bs_slice_(struct bitslice bs, struct bitslice_run #define bs_slice(bs, lo, size) \ bs_slice_(bs, alloca((bs).nruns * sizeof(struct bitslice_run)), lo, size) +struct operand_internal { + struct bitslice n; + bool out; + bool valid; +}; + +#define r(nn) {.n = nn, .out = false, .valid = true} +#define rs(nn, l, s) {.n = bs_slice(nn, l, s), .out = false, .valid = true} +#define rout(nn) {.n = nn, .out = true, .valid = true} +#define rsout(nn, l, s) {.n = bs_slice(nn, l, s), .out = true, .valid = true} +#define data(...) \ + struct operand_internal ops[4] = {__VA_ARGS__}; \ + tdis_ret ret = P(data)(ctx, \ + ops[0].valid ? bs_get(ops[0].n, ctx->op) : -1u, \ + ops[1].valid ? bs_get(ops[1].n, ctx->op) : -1u, \ + ops[2].valid ? bs_get(ops[2].n, ctx->op) : -1u, \ + ops[3].valid ? bs_get(ops[3].n, ctx->op) : -1u, \ + (ops[0].valid << 0) | \ + (ops[1].valid << 1) | \ + (ops[2].valid << 2) | \ + (ops[3].valid << 3)); \ + if(ret.modify) { \ + unsigned new = ctx->op; \ + new = bs_set(ops[0].n, ctx->newval[0], new); \ + new = bs_set(ops[1].n, ctx->newval[1], new); \ + new = bs_set(ops[2].n, ctx->newval[2], new); \ + new = bs_set(ops[3].n, ctx->newval[3], new); \ + ctx->newop = new; \ + } \ + return ret; + |