diff options
Diffstat (limited to 'libcpu/i386_data.h')
| -rw-r--r-- | libcpu/i386_data.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/libcpu/i386_data.h b/libcpu/i386_data.h index 43eb13f9..42e66500 100644 --- a/libcpu/i386_data.h +++ b/libcpu/i386_data.h @@ -736,6 +736,39 @@ FCT_imm$w (struct output_data *d) } +#ifdef X86_64 +static int +FCT_imm64$w (struct output_data *d) +{ + if ((d->data[d->opoff2 / 8] & (1 << (7 - (d->opoff2 & 7)))) == 0 + || (*d->prefixes & has_data16) != 0) + return FCT_imm$w (d); + + size_t *bufcntp = d->bufcntp; + size_t avail = d->bufsize - *bufcntp; + int needed; + if (*d->prefixes & has_rex_w) + { + if (*d->param_start + 8 > d->end) + return -1; + uint64_t word = read_8ubyte_unaligned_inc (*d->param_start); + needed = snprintf (&d->bufp[*bufcntp], avail, "$0x%" PRIx64, word); + } + else + { + if (*d->param_start + 4 > d->end) + return -1; + int32_t word = read_4sbyte_unaligned_inc (*d->param_start); + needed = snprintf (&d->bufp[*bufcntp], avail, "$0x%" PRIx32, word); + } + if ((size_t) needed > avail) + return (size_t) needed - avail; + *bufcntp += needed; + return 0; +} +#endif + + static int FCT_imms (struct output_data *d) { @@ -1155,6 +1188,26 @@ FCT_reg (struct output_data *d) } +#ifdef X86_64 +static int +FCT_oreg (struct output_data *d) +{ + /* Special form where register comes from opcode. The rex.B bit is used, + rex.R and rex.X are ignored. */ + int save_prefixes = *d->prefixes; + + *d->prefixes = ((save_prefixes & ~has_rex_r) + | ((save_prefixes & has_rex_b) << (idx_rex_r - idx_rex_b))); + + int r = FCT_reg (d); + + *d->prefixes = save_prefixes; + + return r; +} +#endif + + static int FCT_reg64 (struct output_data *d) { @@ -1226,6 +1279,26 @@ FCT_reg$w (struct output_data *d) } +#ifdef X86_64 +static int +FCT_oreg$w (struct output_data *d) +{ + /* Special form where register comes from opcode. The rex.B bit is used, + rex.R and rex.X are ignored. */ + int save_prefixes = *d->prefixes; + + *d->prefixes = ((save_prefixes & ~has_rex_r) + | ((save_prefixes & has_rex_b) << (idx_rex_r - idx_rex_b))); + + int r = FCT_reg$w (d); + + *d->prefixes = save_prefixes; + + return r; +} +#endif + + static int FCT_freg (struct output_data *d) { |