regs.dat

开源的nasm编译器源码,研究编译器原理很有帮且

# $Id: regs.dat,v 1.2 2003/02/24 23:22:49 hpa Exp $
#
# List of registers and their classes; classes are defined in nasm.h
#
# The columns are: register name, assembler class, disassembler class, regval
# A * means the line should be repeated for each value from 0 to 7
#

# General-purpose registers
al	REG_AL		reg8	0
ah	REG8		reg8	4
ax	REG_AX		reg16	0
eax	REG_EAX		reg32	0
bl	REG8		reg8	3
bh	REG8		reg8	7
bx	REG16		reg16	3
ebx	REG32		reg32	3
cl	REG_CL		reg8	1
ch	REG8		reg8	5
cx	REG_CX		reg16	1
ecx	REG_ECX		reg32	1
dl	REG_DL		reg8	2
dh	REG8		reg8	6
dx	REG_DX		reg16	2
edx	REG_EDX		reg32	2
sp	REG16		reg16	4
esp	REG32		reg32	4
bp	REG16		reg16	5
ebp	REG32		reg32	5
si	REG16		reg16	6
esi	REG32		reg32	6
di	REG16		reg16	7
edi	REG32		reg32	7

# Segment registers
cs	REG_CS		sreg	1
ds	REG_DESS	sreg	3
es	REG_DESS	sreg	0
ss	REG_DESS	sreg	2
fs	REG_FSGS	sreg	4
gs	REG_FSGS	sreg	5
segr6	REG_SEG67	sreg	6
segr7	REG_SEG67	sreg	7

# Control registers
cr*	REG_CREG	creg	*

# Debug registers
dr*	REG_DREG	dreg	*

# Test registers
tr*	REG_TREG	treg	*

# Floating-point registers
st0	FPU0		fpureg	0
st1	FPUREG		fpureg	1
st2	FPUREG		fpureg	2
st3	FPUREG		fpureg	3
st4	FPUREG		fpureg	4
st5	FPUREG		fpureg	5
st6	FPUREG		fpureg	6
st7	FPUREG		fpureg	7

# MMX registers
mm*	MMXREG		mmxreg	*

# SSE registers
xmm*	XMMREG		xmmreg	*