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Added recompiled versions of 8 and 16 bit immediate->reg and reg->reg versions of MOV, ADD, SUB, CMP, AND, OR and XOR.

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This commit is contained in:
SarahW 2018-07-17 22:08:25 +01:00
commit 648aa0e3e8
17 changed files with 3006 additions and 231 deletions
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234
src/codegen_ops_logic.c
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@ -8,6 +8,28 @@
#include "codegen_ops.h"
#include "codegen_ops_logic.h"
uint32_t ropAND_AL_imm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
uint8_t imm_data = fastreadb(cs + op_pc);
uop_AND_IMM(ir, IREG_AL, IREG_AL, imm_data);
uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN8);
uop_MOVZX(ir, IREG_flags_res, IREG_AL);
codegen_flags_changed = 1;
return op_pc + 1;
}
uint32_t ropAND_AX_imm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
uint16_t imm_data = fastreadw(cs + op_pc);
uop_AND_IMM(ir, IREG_AX, IREG_AX, imm_data);
uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN16);
uop_MOVZX(ir, IREG_flags_res, IREG_AX);
codegen_flags_changed = 1;
return op_pc + 2;
}
uint32_t ropAND_EAX_imm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
fetchdat = fastreadl(cs + op_pc);
@ -19,6 +41,62 @@ uint32_t ropAND_EAX_imm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint3
codegen_flags_changed = 1;
return op_pc + 4;
}
uint32_t ropAND_b_rm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
int src_reg = fetchdat & 7, dest_reg = (fetchdat >> 3) & 7;
if ((fetchdat & 0xc0) != 0xc0)
return 0;
uop_AND(ir, IREG_8(dest_reg), IREG_8(dest_reg), IREG_8(src_reg));
uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN8);
uop_MOVZX(ir, IREG_flags_res, IREG_8(dest_reg));
codegen_flags_changed = 1;
return op_pc + 1;
}
uint32_t ropAND_b_rmw(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
int src_reg = (fetchdat >> 3) & 7, dest_reg = fetchdat & 7;
if ((fetchdat & 0xc0) != 0xc0)
return 0;
uop_AND(ir, IREG_8(dest_reg), IREG_8(dest_reg), IREG_8(src_reg));
uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN8);
uop_MOVZX(ir, IREG_flags_res, IREG_8(dest_reg));
codegen_flags_changed = 1;
return op_pc + 1;
}
uint32_t ropAND_w_rm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
int src_reg = fetchdat & 7, dest_reg = (fetchdat >> 3) & 7;
if ((fetchdat & 0xc0) != 0xc0)
return 0;
uop_AND(ir, IREG_16(dest_reg), IREG_16(dest_reg), IREG_16(src_reg));
uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN16);
uop_MOVZX(ir, IREG_flags_res, IREG_16(dest_reg));
codegen_flags_changed = 1;
return op_pc + 1;
}
uint32_t ropAND_w_rmw(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
int src_reg = (fetchdat >> 3) & 7, dest_reg = fetchdat & 7;
if ((fetchdat & 0xc0) != 0xc0)
return 0;
uop_AND(ir, IREG_16(dest_reg), IREG_16(dest_reg), IREG_16(src_reg));
uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN16);
uop_MOVZX(ir, IREG_flags_res, IREG_16(dest_reg));
codegen_flags_changed = 1;
return op_pc + 1;
}
uint32_t ropAND_l_rm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
int src_reg = fetchdat & 7, dest_reg = (fetchdat >> 3) & 7;
@ -48,6 +126,28 @@ uint32_t ropAND_l_rmw(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_
return op_pc + 1;
}
uint32_t ropOR_AL_imm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
uint8_t imm_data = fastreadb(cs + op_pc);
uop_OR_IMM(ir, IREG_AL, IREG_AL, imm_data);
uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN8);
uop_MOVZX(ir, IREG_flags_res, IREG_AL);
codegen_flags_changed = 1;
return op_pc + 1;
}
uint32_t ropOR_AX_imm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
uint16_t imm_data = fastreadw(cs + op_pc);
uop_OR_IMM(ir, IREG_AX, IREG_AX, imm_data);
uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN16);
uop_MOVZX(ir, IREG_flags_res, IREG_AX);
codegen_flags_changed = 1;
return op_pc + 2;
}
uint32_t ropOR_EAX_imm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
fetchdat = fastreadl(cs + op_pc);
@ -59,6 +159,62 @@ uint32_t ropOR_EAX_imm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32
codegen_flags_changed = 1;
return op_pc + 4;
}
uint32_t ropOR_b_rm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
int src_reg = fetchdat & 7, dest_reg = (fetchdat >> 3) & 7;
if ((fetchdat & 0xc0) != 0xc0)
return 0;
uop_OR(ir, IREG_8(dest_reg), IREG_8(dest_reg), IREG_8(src_reg));
uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN8);
uop_MOVZX(ir, IREG_flags_res, IREG_8(dest_reg));
codegen_flags_changed = 1;
return op_pc + 1;
}
uint32_t ropOR_b_rmw(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
int src_reg = (fetchdat >> 3) & 7, dest_reg = fetchdat & 7;
if ((fetchdat & 0xc0) != 0xc0)
return 0;
uop_OR(ir, IREG_8(dest_reg), IREG_8(dest_reg), IREG_8(src_reg));
uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN8);
uop_MOVZX(ir, IREG_flags_res, IREG_8(dest_reg));
codegen_flags_changed = 1;
return op_pc + 1;
}
uint32_t ropOR_w_rm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
int src_reg = fetchdat & 7, dest_reg = (fetchdat >> 3) & 7;
if ((fetchdat & 0xc0) != 0xc0)
return 0;
uop_OR(ir, IREG_16(dest_reg), IREG_16(dest_reg), IREG_16(src_reg));
uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN16);
uop_MOVZX(ir, IREG_flags_res, IREG_16(dest_reg));
codegen_flags_changed = 1;
return op_pc + 1;
}
uint32_t ropOR_w_rmw(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
int src_reg = (fetchdat >> 3) & 7, dest_reg = fetchdat & 7;
if ((fetchdat & 0xc0) != 0xc0)
return 0;
uop_OR(ir, IREG_16(dest_reg), IREG_16(dest_reg), IREG_16(src_reg));
uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN16);
uop_MOVZX(ir, IREG_flags_res, IREG_16(dest_reg));
codegen_flags_changed = 1;
return op_pc + 1;
}
uint32_t ropOR_l_rm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
int src_reg = fetchdat & 7, dest_reg = (fetchdat >> 3) & 7;
@ -88,6 +244,28 @@ uint32_t ropOR_l_rmw(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t
return op_pc + 1;
}
uint32_t ropXOR_AL_imm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
uint8_t imm_data = fastreadb(cs + op_pc);
uop_XOR_IMM(ir, IREG_AL, IREG_AL, imm_data);
uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN8);
uop_MOVZX(ir, IREG_flags_res, IREG_AL);
codegen_flags_changed = 1;
return op_pc + 1;
}
uint32_t ropXOR_AX_imm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
uint16_t imm_data = fastreadw(cs + op_pc);
uop_XOR_IMM(ir, IREG_AX, IREG_AX, imm_data);
uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN16);
uop_MOVZX(ir, IREG_flags_res, IREG_AX);
codegen_flags_changed = 1;
return op_pc + 2;
}
uint32_t ropXOR_EAX_imm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
fetchdat = fastreadl(cs + op_pc);
@ -99,6 +277,62 @@ uint32_t ropXOR_EAX_imm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint3
codegen_flags_changed = 1;
return op_pc + 4;
}
uint32_t ropXOR_b_rm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
int src_reg = fetchdat & 7, dest_reg = (fetchdat >> 3) & 7;
if ((fetchdat & 0xc0) != 0xc0)
return 0;
uop_XOR(ir, IREG_8(dest_reg), IREG_8(dest_reg), IREG_8(src_reg));
uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN8);
uop_MOVZX(ir, IREG_flags_res, IREG_8(dest_reg));
codegen_flags_changed = 1;
return op_pc + 1;
}
uint32_t ropXOR_b_rmw(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
int src_reg = (fetchdat >> 3) & 7, dest_reg = fetchdat & 7;
if ((fetchdat & 0xc0) != 0xc0)
return 0;
uop_XOR(ir, IREG_8(dest_reg), IREG_8(dest_reg), IREG_8(src_reg));
uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN8);
uop_MOVZX(ir, IREG_flags_res, IREG_8(dest_reg));
codegen_flags_changed = 1;
return op_pc + 1;
}
uint32_t ropXOR_w_rm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
int src_reg = fetchdat & 7, dest_reg = (fetchdat >> 3) & 7;
if ((fetchdat & 0xc0) != 0xc0)
return 0;
uop_XOR(ir, IREG_16(dest_reg), IREG_16(dest_reg), IREG_16(src_reg));
uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN16);
uop_MOVZX(ir, IREG_flags_res, IREG_16(dest_reg));
codegen_flags_changed = 1;
return op_pc + 1;
}
uint32_t ropXOR_w_rmw(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
int src_reg = (fetchdat >> 3) & 7, dest_reg = fetchdat & 7;
if ((fetchdat & 0xc0) != 0xc0)
return 0;
uop_XOR(ir, IREG_16(dest_reg), IREG_16(dest_reg), IREG_16(src_reg));
uop_MOV_IMM(ir, IREG_flags_op, FLAGS_ZN16);
uop_MOVZX(ir, IREG_flags_res, IREG_16(dest_reg));
codegen_flags_changed = 1;
return op_pc + 1;
}
uint32_t ropXOR_l_rm(codeblock_t *block, ir_data_t *ir, uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc)
{
int src_reg = fetchdat & 7, dest_reg = (fetchdat >> 3) & 7;