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windows: Add support for building with MSVC

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This commit is contained in:
Ole André Vadla Ravnås
2022-10-31 11:39:40 +01:00
parent e9d961e316
commit a05d52fdd0
4 changed files with 67 additions and 7 deletions
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14
decode.c
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@@ -6,8 +6,13 @@
#include <fadec.h>
#ifdef __GNUC__
#define LIKELY(x) __builtin_expect((x), 1)
#define UNLIKELY(x) __builtin_expect((x), 0)
#else
#define LIKELY(x) (x)
#define UNLIKELY(x) (x)
#endif
// Defines FD_TABLE_OFFSET_32 and FD_TABLE_OFFSET_64, if available
#define FD_DECODE_TABLE_DEFINES
@@ -33,7 +38,7 @@ typedef enum DecodeMode DecodeMode;
static unsigned
table_walk(unsigned cur_idx, unsigned entry_idx, unsigned* out_kind) {
static __attribute__((aligned(16))) const uint16_t _decode_table[] = {
static _Alignas(16) const uint16_t _decode_table[] = {
#define FD_DECODE_TABLE_DATA
#include <fadec-decode-private.inc>
#undef FD_DECODE_TABLE_DATA
@@ -65,7 +70,7 @@ struct InstrDesc
uint16_t operand_indices;
uint16_t operand_sizes;
uint16_t reg_types;
} __attribute__((packed));
};
#define DESC_HAS_MODRM(desc) (((desc)->operand_indices & (3 << 0)) != 0)
#define DESC_MODRM_IDX(desc) ((((desc)->operand_indices >> 0) & 3) ^ 3)
@@ -271,7 +276,7 @@ prefix_end:
if (UNLIKELY(kind != ENTRY_INSTR))
return kind == 0 ? FD_ERR_UD : FD_ERR_PARTIAL;
static __attribute__((aligned(16))) const struct InstrDesc descs[] = {
static _Alignas(16) const struct InstrDesc descs[] = {
#define FD_DECODE_TABLE_DESCS
#include <fadec-decode-private.inc>
#undef FD_DECODE_TABLE_DESCS
@@ -301,7 +306,8 @@ prefix_end:
if (prefix_rex & PREFIX_VEXL)
vec_size = 32;
__builtin_memset(instr->operands, 0, sizeof(instr->operands));
for (unsigned i = 0; i < sizeof(instr->operands) / sizeof(FdOp); i++)
instr->operands[i] = (FdOp) {0};
if (DESC_MODRM(desc) && UNLIKELY(off++ >= len))
return FD_ERR_PARTIAL;