mirror of
https://github.com/RaySollium99/picodrive.git
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sh2 drc, x86 code emitter: use x86-64 registers R8-R15
This commit is contained in:
kub
parent
346153e08e
commit
ee46642395
2 changed files with 254 additions and 161 deletions
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@ -13,9 +13,9 @@
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*/
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#include <stdarg.h>
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enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
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enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI, // x86-64,i386 common
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xR8, xR9, xR10, xR11, xR12, xR13, xR14, xR15 }; // x86-64 only
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#define HOST_REGS 8
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#define CONTEXT_REG xBP
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#define RET_REG xAX
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@ -65,7 +65,8 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
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#define EMIT_OP(op) do { \
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COUNT_OP; \
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EMIT(op, u8); \
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if ((op) > 0xff) EMIT((op) >> 8, u8); \
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EMIT((u8)(op), u8); \
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} while (0)
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#define EMIT_MODRM(mod, r, rm) do { \
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@ -110,50 +111,70 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
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EMIT_PTR(ptr + 1, (tcache_ptr - (ptr+2)), u8)
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// _r_r
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#define emith_move_r_r(dst, src) \
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EMIT_OP_MODRM(0x8b, 3, dst, src)
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#define emith_move_r_r(dst, src) do {\
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EMIT_REX_IF(0, dst, src); \
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EMIT_OP_MODRM64(0x8b, 3, dst, src); \
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} while (0)
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#define emith_move_r_r_ptr(dst, src) do { \
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EMIT_REX_IF(1, dst, src); \
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EMIT_OP_MODRM64(0x8b, 3, dst, src); \
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} while (0)
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#define emith_add_r_r(d, s) \
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EMIT_OP_MODRM(0x01, 3, s, d)
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#define emith_add_r_r(d, s) do { \
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EMIT_REX_IF(0, s, d); \
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EMIT_OP_MODRM64(0x01, 3, s, d); \
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} while (0)
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#define emith_add_r_r_ptr(d, s) do { \
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EMIT_REX_IF(1, s, d); \
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EMIT_OP_MODRM64(0x01, 3, s, d); \
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} while (0)
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#define emith_sub_r_r(d, s) \
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EMIT_OP_MODRM(0x29, 3, s, d)
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#define emith_sub_r_r(d, s) do {\
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EMIT_REX_IF(0, s, d); \
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EMIT_OP_MODRM64(0x29, 3, s, d); \
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} while (0)
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#define emith_adc_r_r(d, s) \
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EMIT_OP_MODRM(0x11, 3, s, d)
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#define emith_adc_r_r(d, s) do { \
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EMIT_REX_IF(0, s, d); \
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EMIT_OP_MODRM64(0x11, 3, s, d); \
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} while (0)
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#define emith_sbc_r_r(d, s) \
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EMIT_OP_MODRM(0x19, 3, s, d) /* SBB */
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#define emith_sbc_r_r(d, s) do { \
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EMIT_REX_IF(0, s, d); \
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EMIT_OP_MODRM64(0x19, 3, s, d); /* SBB */ \
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} while (0)
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#define emith_or_r_r(d, s) \
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EMIT_OP_MODRM(0x09, 3, s, d)
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#define emith_or_r_r(d, s) do { \
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EMIT_REX_IF(0, s, d); \
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EMIT_OP_MODRM64(0x09, 3, s, d); \
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} while (0)
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#define emith_and_r_r(d, s) \
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EMIT_OP_MODRM(0x21, 3, s, d)
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#define emith_and_r_r(d, s) do { \
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EMIT_REX_IF(0, s, d); \
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EMIT_OP_MODRM64(0x21, 3, s, d); \
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} while (0)
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#define emith_eor_r_r(d, s) \
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EMIT_OP_MODRM(0x31, 3, s, d) /* XOR */
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#define emith_eor_r_r(d, s) do { \
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EMIT_REX_IF(0, s, d); \
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EMIT_OP_MODRM64(0x31, 3, s, d); /* XOR */ \
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} while (0)
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#define emith_tst_r_r(d, s) \
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EMIT_OP_MODRM(0x85, 3, s, d) /* TEST */
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#define emith_tst_r_r(d, s) do { \
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EMIT_REX_IF(0, s, d); \
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EMIT_OP_MODRM64(0x85, 3, s, d); /* TEST */ \
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} while (0)
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#define emith_tst_r_r_ptr(d, s) do { \
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EMIT_REX_IF(1, s, d); \
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EMIT_OP_MODRM64(0x85, 3, s, d); /* TEST */ \
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} while (0)
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#define emith_cmp_r_r(d, s) \
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EMIT_OP_MODRM(0x39, 3, s, d)
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#define emith_cmp_r_r(d, s) do { \
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EMIT_REX_IF(0, s, d); \
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EMIT_OP_MODRM64(0x39, 3, s, d); \
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} while (0)
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// fake teq - test equivalence - get_flags(d ^ s)
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#define emith_teq_r_r(d, s) do { \
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@ -165,7 +186,8 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
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#define emith_mvn_r_r(d, s) do { \
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if (d != s) \
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emith_move_r_r(d, s); \
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EMIT_OP_MODRM(0xf7, 3, 2, d); /* NOT d */ \
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EMIT_REX_IF(0, 0, d); \
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EMIT_OP_MODRM64(0xf7, 3, 2, d); /* NOT d */ \
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} while (0)
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#define emith_negc_r_r(d, s) do { \
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@ -179,7 +201,8 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
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#define emith_neg_r_r(d, s) do { \
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if (d != s) \
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emith_move_r_r(d, s); \
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EMIT_OP_MODRM(0xf7, 3, 3, d); /* NEG d */ \
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EMIT_REX_IF(0, 0, d); \
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EMIT_OP_MODRM64(0xf7, 3, 3, d); /* NEG d */ \
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} while (0)
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// _r_r_r
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@ -325,17 +348,18 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
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// _r_imm
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#define emith_move_r_imm(r, imm) do { \
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EMIT_OP(0xb8 + (r)); \
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EMIT_REX_IF(0, 0, r); \
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EMIT_OP(0xb8 + ((r)&7)); \
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EMIT(imm, u32); \
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} while (0)
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#define emith_move_r_ptr_imm(r, imm) do { \
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if ((uint64_t)(imm) <= UINT32_MAX) \
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if ((uintptr_t)(imm) <= UINT32_MAX) \
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emith_move_r_imm(r, (uintptr_t)(imm)); \
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else { \
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EMIT_REX_IF(1, 0, r); \
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EMIT_OP(0xb8 + (r)); \
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EMIT((uint64_t)(imm), uint64_t); \
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EMIT_OP(0xb8 + ((r)&7)); \
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EMIT((uintptr_t)(imm), uint64_t); \
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} \
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} while (0)
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@ -343,7 +367,8 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
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emith_move_r_imm(r, (u32)(signed int)(signed char)(imm))
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#define emith_arith_r_imm(op, r, imm) do { \
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EMIT_OP_MODRM(0x81, 3, op, r); \
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EMIT_REX_IF(0, 0, r); \
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EMIT_OP_MODRM64(0x81, 3, op, r); \
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EMIT(imm, u32); \
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} while (0)
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@ -372,7 +397,8 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
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emith_arith_r_imm(7, r, imm)
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#define emith_tst_r_imm(r, imm) do { \
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EMIT_OP_MODRM(0xf7, 3, 0, r); \
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EMIT_REX_IF(0, 0, r); \
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EMIT_OP_MODRM64(0xf7, 3, 0, r); \
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EMIT(imm, u32); \
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} while (0)
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@ -442,22 +468,14 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
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// _r_r_imm - use lea
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#define emith_add_r_r_imm(d, s, imm) do { \
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assert(s != xSP); \
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EMIT_OP_MODRM(0x8d, 2, d, s); /* lea */ \
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EMIT_REX_IF(0, d, s); \
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emith_deref_modrm(0x8d, 2, d, s); \
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EMIT(imm, s32); \
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} while (0)
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#define emith_add_r_r_ptr_imm(d, s, imm) do { \
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if ((s) != xSP) { \
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EMIT_REX_IF(1, d, s); \
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EMIT_OP_MODRM64(0x8d, 2, d, s); /* lea */ \
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} \
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else { \
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if (d != s) \
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emith_move_r_r_ptr(d, s); \
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EMIT_REX_IF(1, 0, d); \
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EMIT_OP_MODRM64(0x81, 3, 0, d); /* add */ \
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} \
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EMIT_REX_IF(1, d, s); \
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emith_deref_modrm(0x8d, 2, d, s); \
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EMIT(imm, s32); \
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} while (0)
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@ -493,7 +511,8 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
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#define emith_shift(op, d, s, cnt) do { \
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if (d != s) \
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emith_move_r_r(d, s); \
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EMIT_OP_MODRM(0xc1, 3, op, d); \
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EMIT_REX_IF(0, 0, d); \
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EMIT_OP_MODRM64(0xc1, 3, op, d); \
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EMIT(cnt, u8); \
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} while (0)
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@ -512,26 +531,36 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
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#define emith_ror(d, s, cnt) \
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emith_shift(1, d, s, cnt)
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#define emith_rolc(r) \
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EMIT_OP_MODRM(0xd1, 3, 2, r)
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#define emith_rolc(r) do { \
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EMIT_REX_IF(0, 0, r); \
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EMIT_OP_MODRM64(0xd1, 3, 2, r); \
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} while (0)
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#define emith_rorc(r) \
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EMIT_OP_MODRM(0xd1, 3, 3, r)
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#define emith_rorc(r) do { \
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EMIT_REX_IF(0, 0, r); \
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EMIT_OP_MODRM64(0xd1, 3, 3, r); \
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} while (0)
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// misc
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#define emith_push(r) \
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EMIT_OP(0x50 + (r))
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#define emith_push(r) do { \
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EMIT_REX_IF(0, 0, r); \
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EMIT_OP(0x50 + ((r)&7)); \
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} while (0)
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#define emith_push_imm(imm) do { \
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EMIT_OP(0x68); \
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EMIT(imm, u32); \
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} while (0)
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#define emith_pop(r) \
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EMIT_OP(0x58 + (r))
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#define emith_pop(r) do { \
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EMIT_REX_IF(0, 0, r); \
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EMIT_OP(0x58 + ((r)&7)); \
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} while (0)
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#define emith_neg_r(r) \
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EMIT_OP_MODRM(0xf7, 3, 3, r)
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#define emith_neg_r(r) do { \
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EMIT_REX_IF(0, 0, r); \
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EMIT_OP_MODRM64(0xf7, 3, 3, r); \
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} while (0)
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#define emith_clear_msb(d, s, count) do { \
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u32 t = (u32)-1; \
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@ -553,8 +582,8 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
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#define emith_setc(r) do { \
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assert(is_abcdx(r)); \
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EMIT_OP(0x0f); \
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EMIT_OP_MODRM(0x92, 3, 0, r); /* SETC r */ \
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EMIT_REX_IF(0, 0, r); \
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EMIT_OP_MODRM64(0x0f92, 3, 0, r); /* SETC r */ \
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} while (0)
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// XXX: stupid mess
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@ -572,9 +601,12 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
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emith_move_r_r(xAX, s1); \
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rmr = s2; \
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} \
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EMIT_OP_MODRM(0xf7, 3, op, rmr); /* xMUL rmr */ \
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if (dlo != xAX) \
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EMIT_OP(0x90 + (dlo)); /* XCHG eax, dlo */ \
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EMIT_REX_IF(0, 0, rmr); \
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EMIT_OP_MODRM64(0xf7, 3, op, rmr); /* xMUL rmr */ \
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if (dlo != xAX) { \
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EMIT_REX_IF(0, 0, dlo); \
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EMIT_OP(0x90 + ((dlo)&7)); /* XCHG eax, dlo */ \
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} \
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if (dhi != xDX && dhi != -1 && !(dhi == xAX && dlo == xDX)) \
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emith_move_r_r(dhi, (dlo == xDX ? xAX : xDX)); \
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if (dlo != xDX && dhi != xDX) \
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@ -589,19 +621,30 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
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#define emith_mul_s64(dlo, dhi, s1, s2) \
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emith_mul_(5, dlo, dhi, s1, s2) /* IMUL */
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#define emith_mul(d, s1, s2) \
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emith_mul_(4, d, -1, s1, s2)
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#define emith_mul(d, s1, s2) do { \
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if (d == s1) { \
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EMIT_REX_IF(0, d, s2); \
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EMIT_OP_MODRM64(0x0faf, 3, d, s2); \
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} else if (d == s2) { \
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EMIT_REX_IF(0, d, s1); \
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EMIT_OP_MODRM64(0x0faf, 3, d, s1); \
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} else { \
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emith_move_r_r(d, s1); \
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EMIT_REX_IF(0, d, s2); \
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EMIT_OP_MODRM64(0x0faf, 3, d, s2); \
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} \
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} while (0)
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// (dlo,dhi) += signed(s1) * signed(s2)
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#define emith_mula_s64(dlo, dhi, s1, s2) do { \
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emith_push(dhi); \
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emith_push(dlo); \
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emith_mul_(5, dlo, dhi, s1, s2); \
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EMIT_OP_MODRM(0x03, 0, dlo, 4); \
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EMIT_SIB(0, 4, 4); /* add dlo, [xsp] */ \
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EMIT_OP_MODRM(0x13, 1, dhi, 4); \
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EMIT_SIB(0, 4, 4); \
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EMIT(sizeof(void *), u8); /* adc dhi, [xsp+{4,8}] */ \
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EMIT_REX_IF(0, dlo, xSP); \
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emith_deref_modrm(0x03, 0, dlo, xSP); /* add dlo, [xsp] */ \
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EMIT_REX_IF(0, dhi, xSP); \
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emith_deref_modrm(0x13, 1, dhi, xSP); /* adc dhi, [xsp+{4,8}] */ \
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EMIT(sizeof(void *), u8); \
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emith_add_r_r_ptr_imm(xSP, xSP, sizeof(void *) * 2); \
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} while (0)
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@ -631,100 +674,114 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
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#define emith_rolcf emith_rolc
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#define emith_rorcf emith_rorc
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#define emith_deref_modrm(op, m, r, rs) do { \
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if (((rs) & 7) == 5 && m == 0) { /* xBP,xR13 not in mod 0, use mod 1 */\
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EMIT_OP_MODRM64(op, 1, r, rs); \
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EMIT(0, u8); \
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} else if (((rs) & 7) == 4) { /* xSP,xR12 must use SIB */ \
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EMIT_OP_MODRM64(op, m, r, 4); \
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EMIT_SIB64(0, 4, rs); \
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} else \
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EMIT_OP_MODRM64(op, m, r, rs); \
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} while (0)
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#define emith_deref_op(op, r, rs, offs) do { \
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/* mov r <-> [ebp+#offs] */ \
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if (abs(offs) >= 0x80) { \
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EMIT_OP_MODRM64(op, 2, r, rs); \
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if ((offs) == 0) { \
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emith_deref_modrm(op, 0, r, rs); \
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} else if (abs(offs) >= 0x80) { \
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emith_deref_modrm(op, 2, r, rs); \
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EMIT(offs, u32); \
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} else { \
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EMIT_OP_MODRM64(op, 1, r, rs); \
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emith_deref_modrm(op, 1, r, rs); \
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EMIT((u8)offs, u8); \
|
||||
} \
|
||||
} while (0)
|
||||
|
||||
#define is_abcdx(r) (xAX <= (r) && (r) <= xDX)
|
||||
#define is_abcdx(r) !((r) & ~0x3)
|
||||
|
||||
#define emith_read_r_r_offs(r, rs, offs) \
|
||||
emith_deref_op(0x8b, r, rs, offs)
|
||||
#define emith_read_r_r_offs_ptr(r, rs, offs) \
|
||||
#define emith_read_r_r_offs(r, rs, offs) do { \
|
||||
EMIT_REX_IF(0, r, rs); \
|
||||
emith_deref_op(0x8b, r, rs, offs); \
|
||||
} while (0)
|
||||
#define emith_read_r_r_offs_ptr(r, rs, offs) do { \
|
||||
EMIT_REX_IF(1, r, rs); \
|
||||
emith_deref_op(0x8b, r, rs, offs)
|
||||
emith_deref_op(0x8b, r, rs, offs); \
|
||||
} while (0)
|
||||
|
||||
#define emith_write_r_r_offs(r, rs, offs) \
|
||||
emith_deref_op(0x89, r, rs, offs)
|
||||
#define emith_write_r_r_offs_ptr(r, rs, offs) \
|
||||
#define emith_write_r_r_offs(r, rs, offs) do { \
|
||||
EMIT_REX_IF(0, r, rs); \
|
||||
emith_deref_op(0x89, r, rs, offs); \
|
||||
} while (0)
|
||||
#define emith_write_r_r_offs_ptr(r, rs, offs) do { \
|
||||
EMIT_REX_IF(1, r, rs); \
|
||||
emith_deref_op(0x89, r, rs, offs)
|
||||
emith_deref_op(0x89, r, rs, offs); \
|
||||
} while (0)
|
||||
|
||||
#define emith_read8_r_r_offs(r, rs, offs) do { \
|
||||
EMIT(0x0f, u8); \
|
||||
emith_deref_op(0xb6, r, rs, offs); \
|
||||
EMIT_REX_IF(0, r, rs); \
|
||||
emith_deref_op(0x0fb6, r, rs, offs); \
|
||||
} while (0)
|
||||
|
||||
#define emith_read8s_r_r_offs(r, rs, offs) do { \
|
||||
EMIT(0x0f, u8); \
|
||||
emith_deref_op(0xbe, r, rs, offs); \
|
||||
EMIT_REX_IF(0, r, rs); \
|
||||
emith_deref_op(0x0fbe, r, rs, offs); \
|
||||
} while (0)
|
||||
|
||||
// note: don't use prefixes on this
|
||||
#define emith_write8_r_r_offs(r, rs, offs) do {\
|
||||
int r_ = r; \
|
||||
if (!is_abcdx(r)) { \
|
||||
r_ = rcache_get_tmp(); \
|
||||
emith_move_r_r(r_, r); \
|
||||
} \
|
||||
emith_deref_op(0x88, r_, rs, offs); \
|
||||
if ((r) != r_) \
|
||||
rcache_free_tmp(r_); \
|
||||
EMIT_REX_IF(0, r, rs); \
|
||||
emith_deref_op(0x88, r, rs, offs); \
|
||||
} while (0)
|
||||
|
||||
#define emith_read16_r_r_offs(r, rs, offs) do { \
|
||||
EMIT(0x0f, u8); \
|
||||
emith_deref_op(0xb7, r, rs, offs); \
|
||||
EMIT_REX_IF(0, r, rs); \
|
||||
emith_deref_op(0x0fb7, r, rs, offs); \
|
||||
} while (0)
|
||||
|
||||
#define emith_read16s_r_r_offs(r, rs, offs) do { \
|
||||
EMIT(0x0f, u8); \
|
||||
emith_deref_op(0xbf, r, rs, offs); \
|
||||
EMIT_REX_IF(0, r, rs); \
|
||||
emith_deref_op(0x0fbf, r, rs, offs); \
|
||||
} while (0)
|
||||
|
||||
#define emith_write16_r_r_offs(r, rs, offs) do { \
|
||||
EMIT(0x66, u8); \
|
||||
emith_write_r_r_offs(r, rs, offs); \
|
||||
EMIT(0x66, u8); /* Intel SDM Vol 2a: REX must be closest to opcode */ \
|
||||
EMIT_REX_IF(0, r, rs); \
|
||||
emith_deref_op(0x89, r, rs, offs); \
|
||||
} while (0)
|
||||
|
||||
#define emith_read8_r_r_r(r, rs, rm) do { \
|
||||
EMIT(0x0f, u8); \
|
||||
EMIT_OP_MODRM(0xb6, 0, r, 4); \
|
||||
EMIT_SIB(0, rs, rm); /* mov r, [rm + rs * 1] */ \
|
||||
EMIT_XREX_IF(0, r, rm, rs); \
|
||||
EMIT_OP_MODRM64(0x0fb6, 0, r, 4); \
|
||||
EMIT_SIB64(0, rs, rm); /* mov r, [rm + rs * 1] */ \
|
||||
} while (0)
|
||||
|
||||
#define emith_read8s_r_r_r(r, rs, rm) do { \
|
||||
EMIT(0x0f, u8); \
|
||||
EMIT_OP_MODRM(0xbe, 0, r, 4); \
|
||||
EMIT_SIB(0, rs, rm); /* mov r, [rm + rs * 1] */ \
|
||||
EMIT_XREX_IF(0, r, rm, rs); \
|
||||
EMIT_OP_MODRM64(0x0fbe, 0, r, 4); \
|
||||
EMIT_SIB64(0, rs, rm); /* mov r, [rm + rs * 1] */ \
|
||||
} while (0)
|
||||
|
||||
#define emith_read16_r_r_r(r, rs, rm) do { \
|
||||
EMIT(0x0f, u8); \
|
||||
EMIT_OP_MODRM(0xb7, 0, r, 4); \
|
||||
EMIT_SIB(0, rs, rm); /* mov r, [rm + rs * 1] */ \
|
||||
EMIT_XREX_IF(0, r, rm, rs); \
|
||||
EMIT_OP_MODRM64(0x0fb7, 0, r, 4); \
|
||||
EMIT_SIB64(0, rs, rm); /* mov r, [rm + rs * 1] */ \
|
||||
} while (0)
|
||||
|
||||
#define emith_read16s_r_r_r(r, rs, rm) do { \
|
||||
EMIT(0x0f, u8); \
|
||||
EMIT_OP_MODRM(0xbf, 0, r, 4); \
|
||||
EMIT_SIB(0, rs, rm); /* mov r, [rm + rs * 1] */ \
|
||||
EMIT_XREX_IF(0, r, rm, rs); \
|
||||
EMIT_OP_MODRM64(0x0fbf, 0, r, 4); \
|
||||
EMIT_SIB64(0, rs, rm); /* mov r, [rm + rs * 1] */ \
|
||||
} while (0)
|
||||
|
||||
#define emith_read_r_r_r(r, rs, rm) do { \
|
||||
EMIT_OP_MODRM(0x8b, 0, r, 4); \
|
||||
EMIT_SIB(0, rs, rm); /* mov r, [rm + rs * 1] */ \
|
||||
EMIT_XREX_IF(0, r, rm, rs); \
|
||||
EMIT_OP_MODRM64(0x8b, 0, r, 4); \
|
||||
EMIT_SIB64(0, rs, rm); /* mov r, [rm + rs * 1] */ \
|
||||
} while (0)
|
||||
#define emith_read_r_r_r_ptr(r, rs, rm) do { \
|
||||
EMIT_REX_IF(1, r, rs); \
|
||||
EMIT_XREX_IF(1, r, rm, rs); \
|
||||
EMIT_OP_MODRM64(0x8b, 0, r, 4); \
|
||||
EMIT_SIB(0, rs, rm); /* mov r, [rm + rs * 1] */ \
|
||||
EMIT_SIB64(0, rs, rm); /* mov r, [rm + rs * 1] */ \
|
||||
} while (0)
|
||||
#define emith_read_r_r_r_wb(r, rs, rm) do { \
|
||||
emith_read_r_r_r(r, rs, rm); \
|
||||
|
|
@ -736,13 +793,14 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
|
|||
} while (0)
|
||||
|
||||
#define emith_write_r_r_r(r, rs, rm) do { \
|
||||
EMIT_OP_MODRM(0x89, 0, r, 4); \
|
||||
EMIT_SIB(0, rs, rm); /* mov [rm + rs * 1], r */ \
|
||||
EMIT_XREX_IF(0, r, rm, rs); \
|
||||
EMIT_OP_MODRM64(0x89, 0, r, 4); \
|
||||
EMIT_SIB64(0, rs, rm); /* mov [rm + rs * 1], r */ \
|
||||
} while (0)
|
||||
#define emith_write_r_r_r_ptr(r, rs, rm) do { \
|
||||
EMIT_REX_IF(1, r, rs); \
|
||||
EMIT_XREX_IF(1, r, rm, rs); \
|
||||
EMIT_OP_MODRM64(0x89, 0, r, 4); \
|
||||
EMIT_SIB(0, rs, rm); /* mov [rm + rs * 1], r */ \
|
||||
EMIT_SIB64(0, rs, rm); /* mov [rm + rs * 1], r */ \
|
||||
} while (0)
|
||||
#define emith_write_r_r_r_wb(r, rs, rm) do { \
|
||||
emith_write_r_r_r(r, rs, rm); \
|
||||
|
|
@ -796,8 +854,7 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
|
|||
|
||||
#define emith_jump_cond(cond, ptr) do { \
|
||||
u32 disp = (u8 *)(ptr) - ((u8 *)tcache_ptr + 6); \
|
||||
EMIT(0x0f, u8); \
|
||||
EMIT_OP(0x80 | (cond)); \
|
||||
EMIT_OP(0x0f80 | (cond)); \
|
||||
EMIT(disp, u32); \
|
||||
} while (0)
|
||||
|
||||
|
|
@ -924,15 +981,20 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
|
|||
|
||||
#ifdef __x86_64__
|
||||
|
||||
#define HOST_REGS 16
|
||||
#define PTR_SCALE 3
|
||||
#define NA_TMP_REG xAX // non-arg tmp from reg_temp[]
|
||||
|
||||
#define EMIT_REX_IF(w, r, rm) do { \
|
||||
int r_ = (r) > 7 ? 1 : 0; \
|
||||
int rm_ = (rm) > 7 ? 1 : 0; \
|
||||
if ((w) | r_ | rm_) \
|
||||
EMIT_REX(1, r_, 0, rm_); \
|
||||
#define EMIT_XREX_IF(w, r, rm, rs) do { \
|
||||
int xr_ = (r) > 7 ? 1 : 0; \
|
||||
int xb_ = (rm) > 7 ? 1 : 0; \
|
||||
int xx_ = (rs) > 7 ? 1 : 0; \
|
||||
if ((w) | xr_ | xx_ | xb_) \
|
||||
EMIT_REX(w, xr_, xx_, xb_); \
|
||||
} while (0)
|
||||
|
||||
#define EMIT_REX_IF(w, r, rm) \
|
||||
EMIT_XREX_IF(w, r, rm, 0)
|
||||
|
||||
#ifndef _WIN32
|
||||
|
||||
|
|
@ -947,11 +1009,19 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
|
|||
#define emith_sh2_drc_entry() do { \
|
||||
emith_push(xBX); \
|
||||
emith_push(xBP); \
|
||||
emith_push(xR12); \
|
||||
emith_push(xR13); \
|
||||
emith_push(xR14); \
|
||||
emith_push(xR15); \
|
||||
emith_push(xSI); /* to align */ \
|
||||
} while (0)
|
||||
|
||||
#define emith_sh2_drc_exit() do { \
|
||||
emith_pop(xSI); \
|
||||
emith_pop(xR15); \
|
||||
emith_pop(xR14); \
|
||||
emith_pop(xR13); \
|
||||
emith_pop(xR12); \
|
||||
emith_pop(xBP); \
|
||||
emith_pop(xBX); \
|
||||
emith_ret(); \
|
||||
|
|
@ -963,22 +1033,30 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
|
|||
switch (arg) { \
|
||||
case 0: rd = xCX; break; \
|
||||
case 1: rd = xDX; break; \
|
||||
case 2: rd = 8; break; \
|
||||
default: rd = 9; break; \
|
||||
case 2: rd = xR8; break; \
|
||||
default: rd = xR9; break; \
|
||||
}
|
||||
|
||||
#define emith_sh2_drc_entry() do { \
|
||||
emith_push(xBX); \
|
||||
emith_push(xBP); \
|
||||
emith_push(xR12); \
|
||||
emith_push(xR13); \
|
||||
emith_push(xR14); \
|
||||
emith_push(xR15); \
|
||||
emith_push(xSI); \
|
||||
emith_push(xDI); \
|
||||
emith_add_r_r_ptr_imm(xSP, xSP, -8*5); \
|
||||
emith_add_r_r_ptr_imm(xSP, xSP, -8*5); /* align + ABI param area */ \
|
||||
} while (0)
|
||||
|
||||
#define emith_sh2_drc_exit() do { \
|
||||
emith_add_r_r_ptr_imm(xSP, xSP, 8*5); \
|
||||
emith_pop(xDI); \
|
||||
emith_pop(xSI); \
|
||||
emith_pop(xR15); \
|
||||
emith_pop(xR14); \
|
||||
emith_pop(xR13); \
|
||||
emith_pop(xR12); \
|
||||
emith_pop(xBP); \
|
||||
emith_pop(xBX); \
|
||||
emith_ret(); \
|
||||
|
|
@ -988,6 +1066,7 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
|
|||
|
||||
#else // !__x86_64__
|
||||
|
||||
#define HOST_REGS 8
|
||||
#define PTR_SCALE 2
|
||||
#define NA_TMP_REG xBX // non-arg tmp from reg_temp[]
|
||||
|
||||
|
|
@ -995,6 +1074,11 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
|
|||
assert((u32)(r) < 8u); \
|
||||
assert((u32)(rm) < 8u); \
|
||||
} while (0)
|
||||
#define EMIT_XREX_IF(w, r, rs, rm) do { \
|
||||
assert((u32)(r) < 8u); \
|
||||
assert((u32)(rs) < 8u); \
|
||||
assert((u32)(rm) < 8u); \
|
||||
} while (0)
|
||||
|
||||
#define host_arg2reg(rd, arg) \
|
||||
switch (arg) { \
|
||||
|
|
@ -1039,15 +1123,16 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
|
|||
|
||||
#define emith_sh2_rcall(a, tab, func, mask) do { \
|
||||
emith_lsr(mask, a, SH2_READ_SHIFT); \
|
||||
EMIT_REX_IF(1, mask, tab); \
|
||||
EMIT_XREX_IF(1, tab, tab, mask); \
|
||||
EMIT_OP_MODRM64(0x8d, 0, tab, 4); \
|
||||
EMIT_SIB64(PTR_SCALE, mask, tab); /* lea tab, [tab + mask * {4,8}] */ \
|
||||
EMIT_REX_IF(1, mask, tab); \
|
||||
EMIT_XREX_IF(1, tab, tab, mask); \
|
||||
EMIT_OP_MODRM64(0x8d, 0, tab, 4); \
|
||||
EMIT_SIB64(PTR_SCALE, mask, tab); /* lea tab, [tab + mask * {4,8}] */ \
|
||||
EMIT_REX_IF(1, func, tab); \
|
||||
EMIT_OP_MODRM64(0x8b, 0, func, tab); /* mov func, [tab] */ \
|
||||
EMIT_OP_MODRM64(0x8b, 1, mask, tab); \
|
||||
EMIT_REX_IF(1, func, tab); \
|
||||
emith_deref_modrm(0x8b, 0, func, tab); /* mov func, [tab] */ \
|
||||
EMIT_REX_IF(0, mask, tab); \
|
||||
emith_deref_modrm(0x8b, 1, mask, tab); \
|
||||
EMIT(1 << PTR_SCALE, u8); /* mov mask, [tab + {4,8}] */ \
|
||||
emith_add_r_r_ptr(func, func); \
|
||||
} while (0)
|
||||
|
|
@ -1056,7 +1141,7 @@ enum { xAX = 0, xCX, xDX, xBX, xSP, xBP, xSI, xDI };
|
|||
int arg2_; \
|
||||
host_arg2reg(arg2_, 2); \
|
||||
emith_lsr(func, a, SH2_WRITE_SHIFT); /* tmp = a >> WRT_SHIFT */ \
|
||||
EMIT_REX_IF(1, func, tab); \
|
||||
EMIT_XREX_IF(1, func, tab, func); \
|
||||
EMIT_OP_MODRM64(0x8b, 0, func, 4); \
|
||||
EMIT_SIB64(PTR_SCALE, func, tab); /* mov tmp, [tab + tmp * {4,8}] */ \
|
||||
emith_move_r_r_ptr(arg2_, CONTEXT_REG); \
|
||||
|
|
|
|||
|
|
@ -1,6 +1,7 @@
|
|||
/*
|
||||
* SH2 recompiler
|
||||
* (C) notaz, 2009,2010,2013
|
||||
* (C) kub, 2018,2019
|
||||
*
|
||||
* This work is licensed under the terms of MAME license.
|
||||
* See COPYING file in the top-level directory.
|
||||
|
|
@ -430,13 +431,16 @@ typedef struct {
|
|||
} guest_reg_t;
|
||||
|
||||
|
||||
// note: cache_regs[] must have at least the amount of
|
||||
// HRF_REG registers used by handlers in worst case (currently 4)
|
||||
// Note: cache_regs[] must have at least the amount of REG and TEMP registers
|
||||
// used by handlers in worst case (currently 4).
|
||||
// Register assignment goes by ABI convention. Caller save registers are TEMP,
|
||||
// the others are either static or REG. SR must be static, R0 very recommended.
|
||||
// TEMP registers first, REG last. alloc/evict algorithm depends on this.
|
||||
// The 1st TEMP must not be RET_REG on x86 (it uses temps for some insns).
|
||||
// XXX shouldn't this be somehow defined in the code emitters?
|
||||
#ifdef __arm__
|
||||
#include "../drc/emit_arm.c"
|
||||
|
||||
// register assigment goes by ABI convention. All caller save registers are TEMP
|
||||
// the others are either static or REG. SR must be static, R0 very recommended
|
||||
static guest_reg_t guest_regs[] = {
|
||||
// SHR_R0 .. SHR_SP
|
||||
#ifndef __MACH__ // no r9..
|
||||
|
|
@ -453,20 +457,21 @@ static guest_reg_t guest_regs[] = {
|
|||
{ 0 } , { 0 } , { 0 } , { 0 } ,
|
||||
};
|
||||
|
||||
// NB first TEMP, then REG. alloc/evict algorithm depends on this
|
||||
// OABI/EABI: params: r0-r3, return: r0-r1, temp: r12,r14, saved: r4-r8,r10,r11
|
||||
// SP,PC: r13,r15 must not be used. saved: r9 (for platform use, e.g. on OSx)
|
||||
static cache_reg_t cache_regs[] = {
|
||||
{ 12, HRF_TEMP },
|
||||
{ 12, HRF_TEMP }, // temps
|
||||
{ 14, HRF_TEMP },
|
||||
{ 0, HRF_TEMP },
|
||||
{ 1, HRF_TEMP },
|
||||
{ 3, HRF_TEMP }, // params
|
||||
{ 2, HRF_TEMP },
|
||||
{ 3, HRF_TEMP },
|
||||
{ 8, HRF_LOCKED },
|
||||
{ 1, HRF_TEMP },
|
||||
{ 0, HRF_TEMP }, // RET_REG
|
||||
{ 8, HRF_LOCKED }, // statics
|
||||
#ifndef __MACH__ // no r9..
|
||||
{ 9, HRF_LOCKED },
|
||||
#endif
|
||||
{ 10, HRF_LOCKED },
|
||||
{ 4, HRF_REG },
|
||||
{ 4, HRF_REG }, // other regs
|
||||
{ 5, HRF_REG },
|
||||
{ 6, HRF_REG },
|
||||
{ 7, HRF_REG },
|
||||
|
|
@ -489,11 +494,11 @@ static guest_reg_t guest_regs[] = {
|
|||
|
||||
// ax, cx, dx are usually temporaries by convention
|
||||
static cache_reg_t cache_regs[] = {
|
||||
{ xBX, HRF_REG|HRF_TEMP },
|
||||
{ xBX, HRF_REG|HRF_TEMP }, // params
|
||||
{ xCX, HRF_REG|HRF_TEMP },
|
||||
{ xDX, HRF_REG|HRF_TEMP },
|
||||
{ xAX, HRF_REG|HRF_TEMP },
|
||||
{ xSI, HRF_LOCKED },
|
||||
{ xAX, HRF_REG|HRF_TEMP }, // return value
|
||||
{ xSI, HRF_LOCKED }, // statics
|
||||
{ xDI, HRF_LOCKED },
|
||||
};
|
||||
|
||||
|
|
@ -502,11 +507,7 @@ static cache_reg_t cache_regs[] = {
|
|||
|
||||
static guest_reg_t guest_regs[] = {
|
||||
// SHR_R0 .. SHR_SP
|
||||
#ifndef _WIN32
|
||||
{ 0 } , { 0 } , { 0 } , { 0 } ,
|
||||
#else
|
||||
{GRF_STATIC, xDI}, { 0 } , { 0 } , { 0 } ,
|
||||
#endif
|
||||
{GRF_STATIC,xR12}, { 0 } , { 0 } , { 0 } ,
|
||||
{ 0 } , { 0 } , { 0 } , { 0 } ,
|
||||
{ 0 } , { 0 } , { 0 } , { 0 } ,
|
||||
{ 0 } , { 0 } , { 0 } , { 0 } ,
|
||||
|
|
@ -516,18 +517,25 @@ static guest_reg_t guest_regs[] = {
|
|||
{ 0 } , { 0 } , { 0 } , { 0 } ,
|
||||
};
|
||||
|
||||
// ax, cx, dx are usually temporaries by convention
|
||||
// M$/SystemV ABI conventions:
|
||||
// rbx,rbp,r12-r15 are preserved, rcx,rdx,rax,r8,r9,r10,r11 are temporaries
|
||||
// rsi,rdi are preserved in M$ ABI, temporary in SystemV ABI
|
||||
// parameters in rcx,rdx,r8,r9, SystemV ABI additionally uses rsi,rdi
|
||||
static cache_reg_t cache_regs[] = {
|
||||
{ xCX, HRF_REG|HRF_TEMP },
|
||||
{ xDX, HRF_REG|HRF_TEMP },
|
||||
{ xAX, HRF_REG|HRF_TEMP },
|
||||
{ xR10,HRF_TEMP }, // temps
|
||||
{ xR11,HRF_TEMP },
|
||||
{ xAX, HRF_TEMP }, // RET_REG
|
||||
{ xR8, HRF_TEMP }, // params
|
||||
{ xR9, HRF_TEMP },
|
||||
{ xCX, HRF_TEMP },
|
||||
{ xDX, HRF_TEMP },
|
||||
{ xSI, HRF_REG|HRF_TEMP },
|
||||
#ifndef _WIN32
|
||||
{ xDI, HRF_REG|HRF_TEMP },
|
||||
#else
|
||||
{ xDI, HRF_LOCKED },
|
||||
#endif
|
||||
{ xBX, HRF_LOCKED },
|
||||
{ xBX, HRF_LOCKED }, // statics
|
||||
{ xR12,HRF_LOCKED },
|
||||
{ xR13,HRF_REG }, // other regs
|
||||
{ xR14,HRF_REG },
|
||||
{ xR15,HRF_REG },
|
||||
};
|
||||
|
||||
#else
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue