888 lines
35 KiB
C
888 lines
35 KiB
C
#ifdef __amd64__
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#include "ibm.h"
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#include "codegen.h"
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#include "codegen_backend.h"
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#include "codegen_backend_x86-64_defs.h"
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#include "codegen_backend_x86-64_ops.h"
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#define RM_OP_ADD 0x00
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#define RM_OP_OR 0x08
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#define RM_OP_AND 0x20
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#define RM_OP_SUB 0x28
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#define RM_OP_XOR 0x30
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#define RM_OP_CMP 0x38
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#define RM_OP_SHR 0x28
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static inline void codegen_addbyte(codeblock_t *block, uint8_t val)
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{
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block->data[block_pos++] = val;
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if (block_pos >= BLOCK_MAX)
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{
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fatal("codegen_addbyte over! %i\n", block_pos);
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// CPU_BLOCK_END();
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}
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}
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static inline void codegen_addbyte2(codeblock_t *block, uint8_t vala, uint8_t valb)
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{
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block->data[block_pos++] = vala;
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block->data[block_pos++] = valb;
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if (block_pos >= BLOCK_MAX)
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{
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fatal("codegen_addbyte2 over! %i\n", block_pos);
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CPU_BLOCK_END();
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}
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}
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static inline void codegen_addbyte3(codeblock_t *block, uint8_t vala, uint8_t valb, uint8_t valc)
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{
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block->data[block_pos++] = vala;
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block->data[block_pos++] = valb;
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block->data[block_pos++] = valc;
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if (block_pos >= BLOCK_MAX)
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{
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fatal("codegen_addbyte3 over! %i\n", block_pos);
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CPU_BLOCK_END();
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}
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}
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static inline void codegen_addbyte4(codeblock_t *block, uint8_t vala, uint8_t valb, uint8_t valc, uint8_t vald)
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{
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block->data[block_pos++] = vala;
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block->data[block_pos++] = valb;
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block->data[block_pos++] = valc;
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block->data[block_pos++] = vald;
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if (block_pos >= BLOCK_MAX)
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{
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fatal("codegen_addbyte4 over! %i\n", block_pos);
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CPU_BLOCK_END();
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}
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}
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static inline void codegen_addword(codeblock_t *block, uint16_t val)
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{
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*(uint16_t *)&block->data[block_pos] = val;
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block_pos += 2;
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if (block_pos >= BLOCK_MAX)
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{
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fatal("codegen_addword over! %i\n", block_pos);
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CPU_BLOCK_END();
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}
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}
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static inline void codegen_addlong(codeblock_t *block, uint32_t val)
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{
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*(uint32_t *)&block->data[block_pos] = val;
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block_pos += 4;
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if (block_pos >= BLOCK_MAX)
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{
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fatal("codegen_addlong over! %i\n", block_pos);
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CPU_BLOCK_END();
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}
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}
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static inline void codegen_addquad(codeblock_t *block, uint64_t val)
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{
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*(uint64_t *)&block->data[block_pos] = val;
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block_pos += 8;
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if (block_pos >= BLOCK_MAX)
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{
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fatal("codegen_addquad over! %i\n", block_pos);
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CPU_BLOCK_END();
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}
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}
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static int is_imm8(uint32_t imm_data)
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{
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if (imm_data <= 0x7f || imm_data >= 0xffffff80)
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return 1;
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return 0;
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}
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static inline void call(codeblock_t *block, uintptr_t func)
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{
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uintptr_t diff = func - (uintptr_t)&block->data[block_pos + 5];
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if (diff >= -0x80000000 && diff < 0x7fffffff)
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{
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codegen_addbyte(block, 0xE8); /*CALL*/
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codegen_addlong(block, (uint32_t)diff);
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}
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else
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{
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codegen_addbyte2(block, 0x49, 0xb9); /*MOV R9, func*/
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codegen_addquad(block, func);
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codegen_addbyte3(block, 0x41, 0xff, 0xd1); /*CALL R9*/
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}
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}
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void host_x86_ADD8_REG_IMM(codeblock_t *block, int dst_reg, int src_reg, uint8_t imm_data)
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{
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if (dst_reg != src_reg || (dst_reg & 8) || (src_reg & 8))
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fatal("host_x86_ADD8_REG_IMM - dst_reg != src_reg\n");
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if (dst_reg == REG_EAX)
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codegen_addbyte2(block, 0x04, imm_data); /*ADD EAX, imm_data*/
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else
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codegen_addbyte3(block, 0x80, 0xc0 | RM_OP_ADD | (dst_reg & 7), imm_data); /*ADD dst_reg, imm_data*/
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}
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void host_x86_ADD16_REG_IMM(codeblock_t *block, int dst_reg, int src_reg, uint16_t imm_data)
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{
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if (dst_reg != src_reg || (dst_reg & 8) || (src_reg & 8))
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fatal("host_x86_ADD32_REG_IMM - dst_reg != src_reg\n");
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if (is_imm8(imm_data))
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codegen_addbyte4(block, 0x66, 0x83, 0xc0 | RM_OP_ADD | (dst_reg & 7), imm_data & 0xff); /*ADD dst_reg, imm_data*/
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else if (dst_reg == REG_EAX)
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{
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codegen_addbyte2(block, 0x66, 0x05); /*AND AX, imm_data*/
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codegen_addword(block, imm_data);
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}
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else
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{
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codegen_addbyte3(block, 0x66, 0x81, 0xc0 | RM_OP_ADD | (dst_reg & 7)); /*ADD dst_reg, imm_data*/
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codegen_addword(block, imm_data);
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}
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}
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void host_x86_ADD32_REG_IMM(codeblock_t *block, int dst_reg, int src_reg, uint32_t imm_data)
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{
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if (dst_reg != src_reg || (dst_reg & 8) || (src_reg & 8))
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fatal("host_x86_ADD32_REG_IMM - dst_reg != src_reg\n");
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if (is_imm8(imm_data))
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codegen_addbyte3(block, 0x83, 0xc0 | RM_OP_ADD | (dst_reg & 7), imm_data & 0xff); /*ADD dst_reg, imm_data*/
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else if (dst_reg == REG_EAX)
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{
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codegen_addbyte(block, 0x05); /*ADD EAX, imm_data*/
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codegen_addlong(block, imm_data);
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}
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else
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{
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codegen_addbyte2(block, 0x81, 0xc0 | RM_OP_ADD | (dst_reg & 7)); /*ADD dst_reg, imm_data*/
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codegen_addlong(block, imm_data);
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}
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}
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void host_x86_ADD64_REG_IMM(codeblock_t *block, int dst_reg, uint64_t imm_data)
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{
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if (dst_reg & 8)
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fatal("host_x86_ADD64_REG_IMM - dst_reg & 8\n");
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if (is_imm8(imm_data))
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codegen_addbyte4(block, 0x48, 0x83, 0xc0 | RM_OP_ADD | (dst_reg & 7), imm_data & 0xff); /*ADD dst_reg, imm_data*/
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else
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fatal("ADD64_REG_IMM !is_imm8 %016llx\n", imm_data);
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}
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void host_x86_ADD8_REG_REG(codeblock_t *block, int dst_reg, int src_reg_a, int src_reg_b)
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{
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if (dst_reg != src_reg_a || (dst_reg & 8) || (src_reg_b & 8))
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fatal("host_x86_ADD8_REG_IMM - dst_reg != src_reg_a\n");
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codegen_addbyte2(block, 0x00, 0xc0 | (dst_reg & 7) | ((src_reg_b & 7) << 3)); /*ADD dst_reg, src_reg_b*/
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}
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void host_x86_ADD16_REG_REG(codeblock_t *block, int dst_reg, int src_reg_a, int src_reg_b)
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{
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if (dst_reg != src_reg_a || (dst_reg & 8) || (src_reg_b & 8))
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fatal("host_x86_ADD16_REG_IMM - dst_reg != src_reg_a\n");
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codegen_addbyte3(block, 0x66, 0x01, 0xc0 | (dst_reg & 7) | ((src_reg_b & 7) << 3)); /*ADD dst_reg, src_reg_b*/
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}
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void host_x86_ADD32_REG_REG(codeblock_t *block, int dst_reg, int src_reg_a, int src_reg_b)
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{
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if (dst_reg != src_reg_a || (dst_reg & 8) || (src_reg_b & 8))
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fatal("host_x86_ADD32_REG_IMM - dst_reg != src_reg_a\n");
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codegen_addbyte2(block, 0x01, 0xc0 | (dst_reg & 7) | ((src_reg_b & 7) << 3)); /*ADD dst_reg, src_reg_b*/
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}
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void host_x86_AND8_REG_IMM(codeblock_t *block, int dst_reg, int src_reg, uint8_t imm_data)
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{
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if (dst_reg != src_reg || (dst_reg & 8) || (src_reg & 8))
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fatal("host_x86_AND8_REG_IMM - dst_reg != src_reg\n");
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if (dst_reg == REG_EAX)
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codegen_addbyte2(block, 0x24, imm_data); /*AND EAX, imm_data*/
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else
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codegen_addbyte3(block, 0x80, 0xc0 | RM_OP_AND | (dst_reg & 7), imm_data); /*AND dst_reg, imm_data*/
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}
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void host_x86_AND16_REG_IMM(codeblock_t *block, int dst_reg, int src_reg, uint16_t imm_data)
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{
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if (dst_reg != src_reg || (dst_reg & 8) || (src_reg & 8))
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fatal("host_x86_AND32_REG_IMM - dst_reg != src_reg\n");
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if (is_imm8(imm_data))
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codegen_addbyte4(block, 0x66, 0x83, 0xc0 | RM_OP_AND | (dst_reg & 7), imm_data & 0xff); /*AND dst_reg, imm_data*/
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else if (dst_reg == REG_EAX)
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{
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codegen_addbyte2(block, 0x66, 0x25); /*AND AX, imm_data*/
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codegen_addword(block, imm_data);
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}
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else
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{
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codegen_addbyte3(block, 0x66, 0x81, 0xc0 | RM_OP_AND | (dst_reg & 7)); /*AND dst_reg, imm_data*/
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codegen_addword(block, imm_data);
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}
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}
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void host_x86_AND32_REG_IMM(codeblock_t *block, int dst_reg, int src_reg, uint32_t imm_data)
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{
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if (dst_reg != src_reg || (dst_reg & 8) || (src_reg & 8))
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fatal("host_x86_AND32_REG_IMM - dst_reg != src_reg\n");
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if (is_imm8(imm_data))
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codegen_addbyte3(block, 0x83, 0xc0 | RM_OP_AND | (dst_reg & 7), imm_data & 0xff); /*AND dst_reg, imm_data*/
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else if (dst_reg == REG_EAX)
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{
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codegen_addbyte(block, 0x25); /*AND EAX, imm_data*/
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codegen_addlong(block, imm_data);
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}
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else
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{
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codegen_addbyte2(block, 0x81, 0xc0 | RM_OP_AND | (dst_reg & 7)); /*AND dst_reg, imm_data*/
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codegen_addlong(block, imm_data);
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}
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}
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void host_x86_AND8_REG_REG(codeblock_t *block, int dst_reg, int src_reg_a, int src_reg_b)
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{
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if (dst_reg != src_reg_a || (dst_reg & 8) || (src_reg_b & 8))
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fatal("host_x86_AND8_REG_IMM - dst_reg != src_reg_a\n");
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codegen_addbyte2(block, 0x20, 0xc0 | (dst_reg & 7) | ((src_reg_b & 7) << 3)); /*AND dst_reg, src_reg_b*/
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}
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void host_x86_AND16_REG_REG(codeblock_t *block, int dst_reg, int src_reg_a, int src_reg_b)
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{
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if (dst_reg != src_reg_a || (dst_reg & 8) || (src_reg_b & 8))
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fatal("host_x86_AND16_REG_IMM - dst_reg != src_reg_a\n");
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codegen_addbyte3(block, 0x66, 0x21, 0xc0 | (dst_reg & 7) | ((src_reg_b & 7) << 3)); /*AND dst_reg, src_reg_b*/
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}
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void host_x86_AND32_REG_REG(codeblock_t *block, int dst_reg, int src_reg_a, int src_reg_b)
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{
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if (dst_reg != src_reg_a || (dst_reg & 8) || (src_reg_b & 8))
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fatal("host_x86_AND32_REG_IMM - dst_reg != src_reg_a\n");
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codegen_addbyte2(block, 0x21, 0xc0 | (dst_reg & 7) | ((src_reg_b & 7) << 3)); /*AND dst_reg, src_reg_b*/
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}
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void host_x86_CALL(codeblock_t *block, void *p)
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{
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call(block, (uintptr_t)p);
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}
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void host_x86_CMP32_REG_IMM(codeblock_t *block, int dst_reg, uint32_t imm_data)
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{
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if (is_imm8(imm_data))
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codegen_addbyte3(block, 0x83, 0xc0 | RM_OP_CMP | dst_reg, imm_data & 0xff); /*CMP dst_reg, imm_data*/
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else if (dst_reg == REG_EAX)
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{
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codegen_addbyte(block, 0x3d); /*CMP EAX, imm_data*/
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codegen_addlong(block, imm_data);
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}
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else
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{
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codegen_addbyte2(block, 0x81, 0xc0 | RM_OP_CMP | dst_reg); /*CMP dst_reg, imm_data*/
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codegen_addlong(block, imm_data);
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}
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}
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void host_x86_CMP64_REG_IMM(codeblock_t *block, int dst_reg, uint64_t imm_data)
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{
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if (is_imm8(imm_data))
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codegen_addbyte4(block, 0x48, 0x83, 0xc0 | RM_OP_CMP | dst_reg, imm_data & 0xff); /*CMP dst_reg, imm_data*/
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else
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fatal("CMP64_REG_IMM not 8-bit imm\n");
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}
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void host_x86_JNZ(codeblock_t *block, void *p)
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{
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codegen_addbyte2(block, 0x0f, 0x85); /*JNZ*/
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codegen_addlong(block, (uintptr_t)p - (uintptr_t)&block->data[block_pos + 4]);
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}
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void host_x86_JZ(codeblock_t *block, void *p)
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{
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codegen_addbyte2(block, 0x0f, 0x84); /*JZ*/
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codegen_addlong(block, (uintptr_t)p - (uintptr_t)&block->data[block_pos + 4]);
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}
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uint8_t *host_x86_JNZ_short(codeblock_t *block)
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{
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codegen_addbyte2(block, 0x75, 0); /*JNZ*/
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return &block->data[block_pos-1];
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}
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uint8_t *host_x86_JZ_short(codeblock_t *block)
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{
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codegen_addbyte2(block, 0x74, 0); /*JZ*/
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return &block->data[block_pos-1];
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}
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void host_x86_LEA_REG_IMM(codeblock_t *block, int dst_reg, int src_reg, uint32_t offset)
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{
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if (offset)
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{
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codegen_addbyte2(block, 0x8d, 0x80 | (dst_reg << 3) | src_reg); /*LEA dst_reg, [offset+src_reg]*/
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codegen_addlong(block, offset);
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}
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else
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codegen_addbyte2(block, 0x8d, 0x00 | (dst_reg << 3) | src_reg); /*LEA dst_reg, [src_reg]*/
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}
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void host_x86_LEA_REG_REG(codeblock_t *block, int dst_reg, int src_reg_a, int src_reg_b)
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{
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if ((dst_reg & 8) || (src_reg_a & 8) || (src_reg_b & 8))
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fatal("host_x86_LEA_REG_REG - bad reg\n");
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codegen_addbyte3(block, 0x8d, 0x04 | ((dst_reg & 7) << 3), /*LEA dst_reg, [Rsrc_reg_a + Rsrc_reg_b]*/
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((src_reg_b & 7) << 3) | (src_reg_a & 7));
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}
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void host_x86_LEA_REG_REG_SHIFT(codeblock_t *block, int dst_reg, int src_reg_a, int src_reg_b, int shift)
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{
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if ((dst_reg & 8) || (src_reg_a & 8) || (src_reg_b & 8))
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fatal("host_x86_LEA_REG_REG_SHIFT - bad reg\n");
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codegen_addbyte3(block, 0x8d, 0x04 | ((dst_reg & 7) << 3), /*LEA dst_reg, [Rsrc_reg_a + Rsrc_reg_b * (1 << shift)]*/
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(shift << 6) | ((src_reg_b & 7) << 3) | (src_reg_a & 7));
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}
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void host_x86_MOV8_ABS_IMM(codeblock_t *block, void *p, uint32_t imm_data)
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{
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int offset = (uintptr_t)p - (((uintptr_t)&cpu_state) + 128);
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if (offset >= -128 && offset < 127)
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{
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codegen_addbyte3(block, 0xc6, 0x45, offset); /*MOVB offset[RBP], imm_data*/
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codegen_addbyte(block, imm_data);
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}
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else
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{
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if ((uintptr_t)p >> 32)
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fatal("host_x86_MOV8_ABS_IMM - out of range %p\n", p);
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codegen_addbyte3(block, 0xc6, 0x04, 0x25); /*MOVB p, imm_data*/
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codegen_addlong(block, (uint32_t)(uintptr_t)p);
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codegen_addbyte(block, imm_data);
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}
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}
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void host_x86_MOV32_ABS_IMM(codeblock_t *block, void *p, uint32_t imm_data)
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{
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int offset = (uintptr_t)p - (((uintptr_t)&cpu_state) + 128);
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if (offset >= -128 && offset < 127)
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{
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codegen_addbyte3(block, 0xc7, 0x45, offset); /*MOV offset[RBP], imm_data*/
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codegen_addlong(block, imm_data);
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}
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else
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{
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if ((uintptr_t)p >> 32)
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fatal("host_x86_MOV32_ABS_IMM - out of range %p\n", p);
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codegen_addbyte3(block, 0xc7, 0x04, 0x25); /*MOV p, imm_data*/
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codegen_addlong(block, (uint32_t)(uintptr_t)p);
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codegen_addlong(block, imm_data);
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}
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}
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void host_x86_MOV8_ABS_REG(codeblock_t *block, void *p, int src_reg)
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{
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int offset = (uintptr_t)p - (((uintptr_t)&cpu_state) + 128);
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if (src_reg & 8)
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fatal("host_x86_MOV8_ABS_REG - bad reg\n");
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if (offset >= -128 && offset < 127)
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{
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codegen_addbyte3(block, 0x88, 0x45 | ((src_reg & 7) << 3), offset); /*MOVB offset[RBP], src_reg*/
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}
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else
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{
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if ((uintptr_t)p >> 32)
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fatal("host_x86_MOV8_ABS_REG - out of range %p\n", p);
|
|
codegen_addbyte(block, 0x88); /*MOVB [p], src_reg*/
|
|
codegen_addbyte(block, 0x05 | ((src_reg & 7) << 3));
|
|
codegen_addlong(block, (uint32_t)(uintptr_t)p);
|
|
}
|
|
}
|
|
void host_x86_MOV32_ABS_REG(codeblock_t *block, void *p, int src_reg)
|
|
{
|
|
int64_t offset = (uintptr_t)p - (((uintptr_t)&cpu_state) + 128);
|
|
|
|
if (src_reg & 8)
|
|
fatal("host_x86_MOV32_ABS_REG - bad reg\n");
|
|
|
|
if (offset >= -128 && offset < 127)
|
|
{
|
|
codegen_addbyte3(block, 0x89, 0x45 | ((src_reg & 7) << 3), offset); /*MOV offset[RBP], src_reg*/
|
|
}
|
|
else if (offset < (1ull << 32))
|
|
{
|
|
codegen_addbyte2(block, 0x89, 0x85 | ((src_reg & 7) << 3)); /*MOV offset[RBP], src_reg*/
|
|
codegen_addlong(block, offset);
|
|
}
|
|
else
|
|
{
|
|
if ((uintptr_t)p >> 32)
|
|
fatal("host_x86_MOV32_ABS_REG - out of range %p\n", p);
|
|
codegen_addbyte(block, 0x89); /*MOV [p], src_reg*/
|
|
codegen_addbyte(block, 0x05 | ((src_reg & 7) << 3));
|
|
codegen_addlong(block, (uint32_t)(uintptr_t)p);
|
|
}
|
|
}
|
|
void host_x86_MOV64_ABS_REG(codeblock_t *block, void *p, int src_reg)
|
|
{
|
|
int offset = (uintptr_t)p - (((uintptr_t)&cpu_state) + 128);
|
|
|
|
if (src_reg & 8)
|
|
fatal("host_x86_MOV64_ABS_REG - bad reg\n");
|
|
|
|
if (offset >= -128 && offset < 127)
|
|
{
|
|
codegen_addbyte4(block, 0x48, 0x89, 0x45 | ((src_reg & 7) << 3), offset); /*MOV offset[RBP], src_reg*/
|
|
}
|
|
else
|
|
{
|
|
if ((uintptr_t)p >> 32)
|
|
fatal("host_x86_MOV64_ABS_REG - out of range %p\n", p);
|
|
codegen_addbyte4(block, 0x48, 0x89, 0x04 | ((src_reg & 7) << 3), 0x25); /*MOV [p], src_reg*/
|
|
codegen_addlong(block, (uint32_t)(uintptr_t)p);
|
|
}
|
|
}
|
|
|
|
void host_x86_MOV8_BASE_INDEX_REG(codeblock_t *block, int base_reg, int index_reg, int src_reg)
|
|
{
|
|
if ((src_reg & 8) || (base_reg & 8) | (index_reg & 8))
|
|
fatal("host_x86_MOV8_BASE_INDEX_REG reg & 8\n");
|
|
codegen_addbyte3(block, 0x88, 0x04 | (src_reg << 3), (index_reg << 3) | base_reg); /*MOV B[base_reg + index_reg], src_reg*/
|
|
}
|
|
void host_x86_MOV16_BASE_INDEX_REG(codeblock_t *block, int base_reg, int index_reg, int src_reg)
|
|
{
|
|
if ((src_reg & 8) || (base_reg & 8) | (index_reg & 8))
|
|
fatal("host_x86_MOV8_BASE_INDEX_REG reg & 8\n");
|
|
codegen_addbyte4(block, 0x66, 0x89, 0x04 | (src_reg << 3), (index_reg << 3) | base_reg); /*MOV W[base_reg + index_reg], src_reg*/
|
|
}
|
|
void host_x86_MOV32_BASE_INDEX_REG(codeblock_t *block, int base_reg, int index_reg, int src_reg)
|
|
{
|
|
if ((src_reg & 8) || (base_reg & 8) | (index_reg & 8))
|
|
fatal("host_x86_MOV8_BASE_INDEX_REG reg & 8\n");
|
|
codegen_addbyte3(block, 0x89, 0x04 | (src_reg << 3), (index_reg << 3) | base_reg); /*MOV L[base_reg + index_reg], src_reg*/
|
|
}
|
|
|
|
void host_x86_MOV32_REG_ABS(codeblock_t *block, int dst_reg, void *p)
|
|
{
|
|
int offset = (uintptr_t)p - (((uintptr_t)&cpu_state) + 128);
|
|
|
|
if (dst_reg & 8)
|
|
fatal("host_x86_MOV32_REG_ABS reg & 8\n");
|
|
|
|
if (offset >= -128 && offset < 127)
|
|
{
|
|
codegen_addbyte3(block, 0x8b, 0x45 | ((dst_reg & 7) << 3), offset); /*MOV dst_reg, offset[RBP]*/
|
|
}
|
|
else if (offset < (1ull << 32))
|
|
{
|
|
codegen_addbyte2(block, 0x8b, 0x85 | ((dst_reg & 7) << 3)); /*MOV dst_reg, offset[RBP]*/
|
|
codegen_addlong(block, offset);
|
|
}
|
|
else
|
|
{
|
|
fatal("host_x86_MOV32_REG_ABS - out of range\n");
|
|
codegen_addbyte(block, 0x8b); /*MOV [p], src_reg*/
|
|
codegen_addbyte(block, 0x05 | ((dst_reg & 7) << 3));
|
|
codegen_addlong(block, (uint32_t)(uintptr_t)p);
|
|
}
|
|
}
|
|
|
|
void host_x86_MOV32_REG_BASE_INDEX(codeblock_t *block, int dst_reg, int base_reg, int index_reg)
|
|
{
|
|
if ((dst_reg & 8) || (base_reg & 8) | (index_reg & 8))
|
|
fatal("host_x86_MOV32_REG_BASE_INDEX reg & 8\n");
|
|
codegen_addbyte3(block, 0x8b, 0x04 | (dst_reg << 3), (index_reg << 3) | base_reg); /*MOV dst_reg, Q[base_reg + index_reg]*/
|
|
}
|
|
|
|
void host_x86_MOV64_REG_BASE_INDEX_SHIFT(codeblock_t *block, int dst_reg, int base_reg, int index_reg, int scale)
|
|
{
|
|
if ((dst_reg & 8) || (index_reg & 8))
|
|
fatal("host_x86_MOV64_REG_BASE_INDEX_SHIFT reg & 8\n");
|
|
if (base_reg & 8)
|
|
codegen_addbyte4(block, 0x49, 0x8b, 0x04 | ((dst_reg & 7) << 3), (scale << 6) | ((index_reg & 7) << 3) | (base_reg & 7)); /*MOV dst_reg, Q[base_reg + index_reg << scale]*/
|
|
else
|
|
codegen_addbyte4(block, 0x48, 0x8b, 0x04 | ((dst_reg & 7) << 3), (scale << 6) | ((index_reg & 7) << 3) | (base_reg & 7)); /*MOV dst_reg, Q[base_reg + index_reg << scale]*/
|
|
}
|
|
|
|
void host_x86_MOV8_REG_IMM(codeblock_t *block, int reg, uint16_t imm_data)
|
|
{
|
|
if (reg >= 8)
|
|
fatal("host_x86_MOV8_REG_IMM reg >= 4\n");
|
|
codegen_addbyte2(block, 0xb0 | reg, imm_data); /*MOV reg, imm_data*/
|
|
}
|
|
void host_x86_MOV16_REG_IMM(codeblock_t *block, int reg, uint16_t imm_data)
|
|
{
|
|
if (reg & 8)
|
|
fatal("host_x86_MOV16_REG_IMM reg & 8\n");
|
|
codegen_addbyte2(block, 0x66, 0xb8 | (reg & 7)); /*MOV reg, imm_data*/
|
|
codegen_addword(block, imm_data);
|
|
}
|
|
void host_x86_MOV32_REG_IMM(codeblock_t *block, int reg, uint32_t imm_data)
|
|
{
|
|
if (reg & 8)
|
|
fatal("host_x86_MOV32_REG_IMM reg & 8\n");
|
|
codegen_addbyte(block, 0xb8 | (reg & 7)); /*MOV reg, imm_data*/
|
|
codegen_addlong(block, imm_data);
|
|
}
|
|
|
|
void host_x86_MOV64_REG_IMM(codeblock_t *block, int reg, uint64_t imm_data)
|
|
{
|
|
if (reg & 8)
|
|
{
|
|
codegen_addbyte2(block, 0x49, 0xb8 | (reg & 7)); /*MOVQ reg, imm_data*/
|
|
codegen_addquad(block, imm_data);
|
|
}
|
|
else
|
|
{
|
|
codegen_addbyte2(block, 0x48, 0xb8 | (reg & 7)); /*MOVQ reg, imm_data*/
|
|
codegen_addquad(block, imm_data);
|
|
}
|
|
}
|
|
|
|
void host_x86_MOV8_REG_REG(codeblock_t *block, int dst_reg, int src_reg)
|
|
{
|
|
if ((dst_reg & 8) || (src_reg & 8))
|
|
fatal("host_x86_MOV8_REG_REG - bad reg\n");
|
|
|
|
codegen_addbyte2(block, 0x88, 0xc0 | (dst_reg & 7) | ((src_reg & 7) << 3));
|
|
}
|
|
void host_x86_MOV16_REG_REG(codeblock_t *block, int dst_reg, int src_reg)
|
|
{
|
|
if ((dst_reg & 8) || (src_reg & 8))
|
|
fatal("host_x86_MOV16_REG_REG - bad reg\n");
|
|
|
|
codegen_addbyte3(block, 0x66, 0x89, 0xc0 | (dst_reg & 7) | ((src_reg & 7) << 3));
|
|
}
|
|
void host_x86_MOV32_REG_REG(codeblock_t *block, int dst_reg, int src_reg)
|
|
{
|
|
if ((dst_reg & 8) || (src_reg & 8))
|
|
fatal("host_x86_MOV32_REG_REG - bad reg\n");
|
|
|
|
codegen_addbyte2(block, 0x89, 0xc0 | (dst_reg & 7) | ((src_reg & 7) << 3));
|
|
}
|
|
|
|
void host_x86_MOV32_STACK_IMM(codeblock_t *block, int32_t offset, uint32_t imm_data)
|
|
{
|
|
if (!offset)
|
|
{
|
|
codegen_addbyte3(block, 0xc7, 0x04, 0x24); /*MOV [ESP], imm_data*/
|
|
codegen_addlong(block, imm_data);
|
|
}
|
|
else if (offset >= -80 || offset < 0x80)
|
|
{
|
|
codegen_addbyte4(block, 0xc7, 0x44, 0x24, offset & 0xff); /*MOV offset[ESP], imm_data*/
|
|
codegen_addlong(block, imm_data);
|
|
}
|
|
else
|
|
{
|
|
codegen_addbyte3(block, 0xc7, 0x84, 0x24); /*MOV offset[ESP], imm_data*/
|
|
codegen_addlong(block, offset);
|
|
codegen_addlong(block, imm_data);
|
|
}
|
|
}
|
|
|
|
void host_x86_MOVZX_BASE_INDEX_32_8(codeblock_t *block, int dst_reg, int base_reg, int index_reg)
|
|
{
|
|
if ((dst_reg & 8) || (base_reg & 8) | (index_reg & 8))
|
|
fatal("host_x86_MOVZX_BASE_INDEX_32_8 reg & 8\n");
|
|
codegen_addbyte4(block, 0x0f, 0xb6, 0x04 | (dst_reg << 3), (index_reg << 3) | base_reg);
|
|
}
|
|
void host_x86_MOVZX_BASE_INDEX_32_16(codeblock_t *block, int dst_reg, int base_reg, int index_reg)
|
|
{
|
|
if ((dst_reg & 8) || (base_reg & 8) | (index_reg & 8))
|
|
fatal("host_x86_MOVZX_BASE_INDEX_32_16 reg & 8\n");
|
|
codegen_addbyte4(block, 0x0f, 0xb7, 0x04 | (dst_reg << 3), (index_reg << 3) | base_reg);
|
|
}
|
|
|
|
void host_x86_MOVZX_REG_32_8(codeblock_t *block, int dst_reg, int src_reg)
|
|
{
|
|
if ((dst_reg & 8) || (src_reg & 8))
|
|
fatal("host_x86_MOVZX_REG_32_8 - bad reg\n");
|
|
codegen_addbyte3(block, 0x0f, 0xb6, 0xc0 | (dst_reg << 3) | src_reg); /*MOVZX dst_reg, src_reg*/
|
|
}
|
|
void host_x86_MOVZX_REG_32_16(codeblock_t *block, int dst_reg, int src_reg)
|
|
{
|
|
if ((dst_reg & 8) || (src_reg & 8))
|
|
fatal("host_x86_MOVZX_REG_16_8 - bad reg\n");
|
|
codegen_addbyte3(block, 0x0f, 0xb7, 0xc0 | (dst_reg << 3) | src_reg); /*MOVZX dst_reg, src_reg*/
|
|
}
|
|
|
|
void host_x86_MOVZX_REG_ABS_32_8(codeblock_t *block, int dst_reg, void *p)
|
|
{
|
|
int offset = (uintptr_t)p - (((uintptr_t)&cpu_state) + 128);
|
|
|
|
// if (dst_reg & 8)
|
|
// fatal("host_x86_MOVZX_REG_ABS_32_8 - bad reg\n");
|
|
|
|
if (offset >= -128 && offset < 127)
|
|
{
|
|
if (dst_reg & 8)
|
|
codegen_addbyte(block, 0x44);
|
|
codegen_addbyte4(block, 0x0f, 0xb6, 0x45 | ((dst_reg & 7) << 3), offset); /*MOVZX dst_reg, offset[RBP]*/
|
|
}
|
|
else
|
|
fatal("host_x86_MOVZX_REG_ABS_32_8 - bad offset %i\n", offset);
|
|
}
|
|
|
|
void host_x86_OR8_REG_IMM(codeblock_t *block, int dst_reg, int src_reg, uint8_t imm_data)
|
|
{
|
|
if (dst_reg != src_reg || (dst_reg & 8) || (src_reg & 8))
|
|
fatal("host_x86_OR8_REG_IMM - dst_reg != src_reg\n");
|
|
|
|
if (dst_reg == REG_EAX)
|
|
codegen_addbyte2(block, 0x0c, imm_data); /*OR EAX, imm_data*/
|
|
else
|
|
codegen_addbyte3(block, 0x80, 0xc0 | RM_OP_OR | (dst_reg & 7), imm_data); /*OR dst_reg, imm_data*/
|
|
}
|
|
void host_x86_OR16_REG_IMM(codeblock_t *block, int dst_reg, int src_reg, uint16_t imm_data)
|
|
{
|
|
if (dst_reg != src_reg || (dst_reg & 8) || (src_reg & 8))
|
|
fatal("host_x86_OR16_REG_IMM - dst_reg != src_reg\n");
|
|
|
|
if (is_imm8(imm_data))
|
|
codegen_addbyte4(block, 0x66, 0x83, 0xc0 | RM_OP_OR | (dst_reg & 7), imm_data & 0xff); /*OR dst_reg, imm_data*/
|
|
else if (dst_reg == REG_EAX)
|
|
{
|
|
codegen_addbyte2(block, 0x66, 0x0d); /*OR AX, imm_data*/
|
|
codegen_addword(block, imm_data);
|
|
}
|
|
else
|
|
{
|
|
codegen_addbyte3(block, 0x66, 0x81, 0xc0 | RM_OP_OR | (dst_reg & 7)); /*OR dst_reg, imm_data*/
|
|
codegen_addword(block, imm_data);
|
|
}
|
|
}
|
|
void host_x86_OR32_REG_IMM(codeblock_t *block, int dst_reg, int src_reg, uint32_t imm_data)
|
|
{
|
|
if (dst_reg != src_reg || (dst_reg & 8) || (src_reg & 8))
|
|
fatal("host_x86_OR32_REG_IMM - dst_reg != src_reg\n");
|
|
|
|
if (is_imm8(imm_data))
|
|
codegen_addbyte3(block, 0x83, 0xc0 | RM_OP_OR | (dst_reg & 7), imm_data & 0xff); /*OR dst_reg, imm_data*/
|
|
else if (dst_reg == REG_EAX)
|
|
{
|
|
codegen_addbyte(block, 0x0d); /*OR EAX, imm_data*/
|
|
codegen_addlong(block, imm_data);
|
|
}
|
|
else
|
|
{
|
|
codegen_addbyte2(block, 0x81, 0xc0 | RM_OP_OR | (dst_reg & 7)); /*OR dst_reg, imm_data*/
|
|
codegen_addlong(block, imm_data);
|
|
}
|
|
}
|
|
void host_x86_OR8_REG_REG(codeblock_t *block, int dst_reg, int src_reg_a, int src_reg_b)
|
|
{
|
|
if (dst_reg != src_reg_a || (dst_reg & 8) || (src_reg_b & 8))
|
|
fatal("host_x86_OR8_REG_IMM - dst_reg != src_reg_a\n");
|
|
|
|
codegen_addbyte2(block, 0x08, 0xc0 | (dst_reg & 7) | ((src_reg_b & 7) << 3)); /*OR dst_reg, src_reg_b*/
|
|
}
|
|
void host_x86_OR16_REG_REG(codeblock_t *block, int dst_reg, int src_reg_a, int src_reg_b)
|
|
{
|
|
if (dst_reg != src_reg_a || (dst_reg & 8) || (src_reg_b & 8))
|
|
fatal("host_x86_OR16_REG_IMM - dst_reg != src_reg_a\n");
|
|
|
|
codegen_addbyte3(block, 0x66, 0x09, 0xc0 | (dst_reg & 7) | ((src_reg_b & 7) << 3)); /*OR dst_reg, src_reg_b*/
|
|
}
|
|
void host_x86_OR32_REG_REG(codeblock_t *block, int dst_reg, int src_reg_a, int src_reg_b)
|
|
{
|
|
if (dst_reg != src_reg_a || (dst_reg & 8) || (src_reg_b & 8))
|
|
fatal("host_x86_OR32_REG_IMM - dst_reg != src_reg_a\n");
|
|
|
|
codegen_addbyte2(block, 0x09, 0xc0 | (dst_reg & 7) | ((src_reg_b & 7) << 3)); /*OR dst_reg, src_reg_b*/
|
|
}
|
|
|
|
void host_x86_POP(codeblock_t *block, int dst_reg)
|
|
{
|
|
if (dst_reg & 8)
|
|
fatal("POP reg & 8\n");
|
|
codegen_addbyte(block, 0x58 | dst_reg); /*POP reg*/
|
|
}
|
|
|
|
void host_x86_PUSH(codeblock_t *block, int src_reg)
|
|
{
|
|
if (src_reg & 8)
|
|
fatal("PUSH reg & 8\n");
|
|
codegen_addbyte(block, 0x50 | src_reg); /*PUSH reg*/
|
|
}
|
|
|
|
void host_x86_RET(codeblock_t *block)
|
|
{
|
|
codegen_addbyte(block, 0xc3); /*RET*/
|
|
}
|
|
|
|
void host_x86_SHR32_IMM(codeblock_t *block, int dst_reg, int shift)
|
|
{
|
|
if (dst_reg & 8)
|
|
fatal("SHR32_IMM reg & 8\n");
|
|
codegen_addbyte3(block, 0xc1, 0xc0 | RM_OP_SHR | dst_reg, shift); /*SHR dst_reg, shift*/
|
|
}
|
|
|
|
void host_x86_SUB8_REG_IMM(codeblock_t *block, int dst_reg, int src_reg, uint8_t imm_data)
|
|
{
|
|
if (dst_reg != src_reg || (dst_reg & 8) || (src_reg & 8))
|
|
fatal("host_x86_SUB8_REG_IMM - dst_reg != src_reg\n");
|
|
|
|
if (dst_reg == REG_EAX)
|
|
codegen_addbyte2(block, 0x2c, imm_data); /*SUB EAX, imm_data*/
|
|
else
|
|
codegen_addbyte3(block, 0x80, 0xc0 | RM_OP_SUB | (dst_reg & 7), imm_data); /*SUB dst_reg, imm_data*/
|
|
}
|
|
void host_x86_SUB16_REG_IMM(codeblock_t *block, int dst_reg, int src_reg, uint16_t imm_data)
|
|
{
|
|
if (dst_reg != src_reg || (dst_reg & 8) || (src_reg & 8))
|
|
fatal("host_x86_SUB16_REG_IMM - dst_reg != src_reg\n");
|
|
|
|
if (is_imm8(imm_data))
|
|
codegen_addbyte4(block, 0x66, 0x83, 0xc0 | RM_OP_SUB | (dst_reg & 7), imm_data & 0xff); /*SUB dst_reg, imm_data*/
|
|
else if (dst_reg == REG_EAX)
|
|
{
|
|
codegen_addbyte2(block, 0x66, 0x2d); /*SUB AX, imm_data*/
|
|
codegen_addword(block, imm_data);
|
|
}
|
|
else
|
|
{
|
|
codegen_addbyte3(block, 0x66, 0x81, 0xc0 | RM_OP_SUB | (dst_reg & 7)); /*SUB dst_reg, imm_data*/
|
|
codegen_addword(block, imm_data);
|
|
}
|
|
}
|
|
void host_x86_SUB32_REG_IMM(codeblock_t *block, int dst_reg, int src_reg, uint32_t imm_data)
|
|
{
|
|
if (dst_reg != src_reg || (dst_reg & 8) || (src_reg & 8))
|
|
fatal("host_x86_SUB32_REG_IMM - dst_reg != src_reg\n");
|
|
|
|
if (is_imm8(imm_data))
|
|
codegen_addbyte3(block, 0x83, 0xc0 | RM_OP_SUB | (dst_reg & 7), imm_data & 0xff); /*SUB dst_reg, imm_data*/
|
|
else if (dst_reg == REG_EAX)
|
|
{
|
|
codegen_addbyte(block, 0x2d); /*SUB EAX, imm_data*/
|
|
codegen_addlong(block, imm_data);
|
|
}
|
|
else
|
|
{
|
|
codegen_addbyte2(block, 0x81, 0xc0 | RM_OP_SUB | (dst_reg & 7)); /*SUB dst_reg, imm_data*/
|
|
codegen_addlong(block, imm_data);
|
|
}
|
|
}
|
|
void host_x86_SUB64_REG_IMM(codeblock_t *block, int dst_reg, uint64_t imm_data)
|
|
{
|
|
if (dst_reg & 8)
|
|
fatal("host_x86_SUB64_REG_IMM - dst_reg & 8\n");
|
|
|
|
if (is_imm8(imm_data))
|
|
codegen_addbyte4(block, 0x48, 0x83, 0xc0 | RM_OP_SUB | (dst_reg & 7), imm_data & 0xff); /*SUB dst_reg, imm_data*/
|
|
else
|
|
fatal("SUB64_REG_IMM !is_imm8 %016llx\n", imm_data);
|
|
}
|
|
void host_x86_SUB8_REG_REG(codeblock_t *block, int dst_reg, int src_reg_a, int src_reg_b)
|
|
{
|
|
if (dst_reg != src_reg_a || (dst_reg & 8) || (src_reg_b & 8))
|
|
fatal("host_x86_SUB8_REG_REG - dst_reg != src_reg_a\n");
|
|
|
|
codegen_addbyte2(block, 0x28, 0xc0 | (dst_reg & 7) | ((src_reg_b & 7) << 3)); /*SUB dst_reg, src_reg_b*/
|
|
}
|
|
void host_x86_SUB16_REG_REG(codeblock_t *block, int dst_reg, int src_reg_a, int src_reg_b)
|
|
{
|
|
if (dst_reg != src_reg_a || (dst_reg & 8) || (src_reg_b & 8))
|
|
fatal("host_x86_SUB16_REG_REG - dst_reg != src_reg_a\n");
|
|
|
|
codegen_addbyte3(block, 0x66, 0x29, 0xc0 | (dst_reg & 7) | ((src_reg_b & 7) << 3)); /*SUB dst_reg, src_reg_b*/
|
|
}
|
|
void host_x86_SUB32_REG_REG(codeblock_t *block, int dst_reg, int src_reg_a, int src_reg_b)
|
|
{
|
|
if (dst_reg != src_reg_a || (dst_reg & 8) || (src_reg_b & 8))
|
|
fatal("host_x86_SUB32_REG_REG - dst_reg != src_reg_a\n");
|
|
|
|
codegen_addbyte2(block, 0x29, 0xc0 | (dst_reg & 7) | ((src_reg_b & 7) << 3)); /*SUB dst_reg, src_reg_b*/
|
|
}
|
|
|
|
#define MODRM_MOD_REG(rm, reg) (0xc0 | reg | (rm << 3))
|
|
|
|
void host_x86_TEST32_REG(codeblock_t *block, int src_reg, int dst_reg)
|
|
{
|
|
if ((dst_reg & 8) || (src_reg & 8))
|
|
fatal("host_x86_TEST32_REG - bad reg\n");
|
|
codegen_addbyte2(block, 0x85, MODRM_MOD_REG(dst_reg, src_reg)); /*TEST dst_host_reg, src_host_reg*/
|
|
}
|
|
void host_x86_TEST32_REG_IMM(codeblock_t *block, int dst_reg, uint32_t imm_data)
|
|
{
|
|
if (dst_reg & 8)
|
|
fatal("TEST32_REG_IMM reg & 8\n");
|
|
if (dst_reg == REG_EAX)
|
|
{
|
|
codegen_addbyte(block, 0xa9); /*TEST EAX, imm_data*/
|
|
codegen_addlong(block, imm_data);
|
|
}
|
|
else
|
|
{
|
|
codegen_addbyte2(block, 0xf7, 0xc0 | dst_reg); /*TEST dst_reg, imm_data*/
|
|
codegen_addlong(block, imm_data);
|
|
}
|
|
}
|
|
|
|
void host_x86_XOR8_REG_IMM(codeblock_t *block, int dst_reg, int src_reg, uint8_t imm_data)
|
|
{
|
|
if (dst_reg != src_reg || (dst_reg & 8) || (src_reg & 8))
|
|
fatal("host_x86_XOR8_REG_IMM - dst_reg != src_reg\n");
|
|
|
|
if (dst_reg == REG_EAX)
|
|
codegen_addbyte2(block, 0x34, imm_data); /*XOR EAX, imm_data*/
|
|
else
|
|
codegen_addbyte3(block, 0x80, 0xc0 | RM_OP_XOR | (dst_reg & 7), imm_data); /*XOR dst_reg, imm_data*/
|
|
}
|
|
void host_x86_XOR16_REG_IMM(codeblock_t *block, int dst_reg, int src_reg, uint16_t imm_data)
|
|
{
|
|
if (dst_reg != src_reg || (dst_reg & 8) || (src_reg & 8))
|
|
fatal("host_x86_XOR16_REG_IMM - dst_reg != src_reg\n");
|
|
|
|
if (is_imm8(imm_data))
|
|
codegen_addbyte4(block, 0x66, 0x83, 0xc0 | RM_OP_XOR | (dst_reg & 7), imm_data & 0xff); /*XOR dst_reg, imm_data*/
|
|
else if (dst_reg == REG_EAX)
|
|
{
|
|
codegen_addbyte2(block, 0x66, 0x35); /*XOR AX, imm_data*/
|
|
codegen_addword(block, imm_data);
|
|
}
|
|
else
|
|
{
|
|
codegen_addbyte3(block, 0x66, 0x81, 0xc0 | RM_OP_XOR | (dst_reg & 7)); /*XOR dst_reg, imm_data*/
|
|
codegen_addword(block, imm_data);
|
|
}
|
|
}
|
|
void host_x86_XOR32_REG_IMM(codeblock_t *block, int dst_reg, int src_reg, uint32_t imm_data)
|
|
{
|
|
if (dst_reg != src_reg || (dst_reg & 8) || (src_reg & 8))
|
|
fatal("host_x86_XOR32_REG_IMM - dst_reg != src_reg\n");
|
|
|
|
if (is_imm8(imm_data))
|
|
codegen_addbyte3(block, 0x83, 0xc0 | RM_OP_XOR | (dst_reg & 7), imm_data & 0xff); /*XOR dst_reg, imm_data*/
|
|
else if (dst_reg == REG_EAX)
|
|
{
|
|
codegen_addbyte(block, 0x35); /*XOR EAX, imm_data*/
|
|
codegen_addlong(block, imm_data);
|
|
}
|
|
else
|
|
{
|
|
codegen_addbyte2(block, 0x81, 0xc0 | RM_OP_XOR | (dst_reg & 7)); /*XOR dst_reg, imm_data*/
|
|
codegen_addlong(block, imm_data);
|
|
}
|
|
}
|
|
void host_x86_XOR8_REG_REG(codeblock_t *block, int dst_reg, int src_reg_a, int src_reg_b)
|
|
{
|
|
if (dst_reg != src_reg_a || (dst_reg & 8) || (src_reg_b & 8))
|
|
fatal("host_x86_XOR8_REG_IMM - dst_reg != src_reg_a\n");
|
|
|
|
codegen_addbyte2(block, 0x30, 0xc0 | (dst_reg & 7) | ((src_reg_b & 7) << 3)); /*XOR dst_reg, src_reg_b*/
|
|
}
|
|
void host_x86_XOR16_REG_REG(codeblock_t *block, int dst_reg, int src_reg_a, int src_reg_b)
|
|
{
|
|
if (dst_reg != src_reg_a || (dst_reg & 8) || (src_reg_b & 8))
|
|
fatal("host_x86_XOR16_REG_IMM - dst_reg != src_reg_a\n");
|
|
|
|
codegen_addbyte3(block, 0x66, 0x31, 0xc0 | (dst_reg & 7) | ((src_reg_b & 7) << 3)); /*XOR dst_reg, src_reg_b*/
|
|
}
|
|
void host_x86_XOR32_REG_REG(codeblock_t *block, int dst_reg, int src_reg_a, int src_reg_b)
|
|
{
|
|
if (dst_reg != src_reg_a || (dst_reg & 8) || (src_reg_b & 8))
|
|
fatal("host_x86_XOR32_REG_IMM - dst_reg != src_reg_a\n");
|
|
|
|
codegen_addbyte2(block, 0x31, 0xc0 | (dst_reg & 7) | ((src_reg_b & 7) << 3)); /*XOR dst_reg, src_reg_b*/
|
|
}
|
|
|
|
#endif
|