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authorH. Peter Anvin <hpa@zytor.com>2007-05-30 00:15:25 +0000
committerH. Peter Anvin <hpa@zytor.com>2007-05-30 00:15:25 +0000
commit1ffbd70af0ff1ab3adaeb7bf105360e9e4a9429e (patch)
tree8bdad741a1072f573dfa8d0c44f184eb6aa1dcd6 /nasm.h
parentedb1428239da7b61adb15686906454a2b7c208bc (diff)
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More instruction flag surgery
Diffstat (limited to 'nasm.h')
-rw-r--r--nasm.h55
1 files changed, 28 insertions, 27 deletions
diff --git a/nasm.h b/nasm.h
index 9a18f6b..14eeeea 100644
--- a/nasm.h
+++ b/nasm.h
@@ -398,7 +398,7 @@ enum {
* 12: REGISTER
* 13: IMMEDIATE
* 14: MEMORY (always has REGMEM attribute as well)
- * 15: (reserved)
+ * 15: REGMEM (valid EA operand)
*
* Bits 16-19: subclasses
* With REG_CDT:
@@ -406,7 +406,7 @@ enum {
* 17: REG_DREG (DRx)
* 18: REG_TREG (TRx)
- * With REGNORM == REGMEM|REGISTER:
+ * With REG_GPR:
* 16: REG_ACCUM (AL, AX, EAX, RAX)
* 17: REG_COUNT (CL, CX, ECX, RCX)
* 18: REG_DATA (DL, DX, EDX, RDX)
@@ -430,7 +430,7 @@ enum {
*
* Bits 20-26: register classes
* 20: REG_CDT (CRx, DRx, TRx)
- * 21: REGMEM (GPR or memory operand)
+ * 21: REG_GPR (integer register)
* 22: REG_SREG
* 23: IP_REG (RIP or EIP)
* 24: FPUREG
@@ -463,15 +463,16 @@ enum {
#define OPTYPE_MASK 0x0000f000L
#define REGISTER 0x00001000L /* register number in 'basereg' */
#define IMMEDIATE 0x00002000L
-#define MEMORY 0x00204000L
+#define MEMORY 0x0000c000L
+#define REGMEM 0x00008000L /* for r/m, ie EA, operands */
/* Register classes */
-#define REGMEM 0x00200000L /* for r/m, ie EA, operands */
-#define REGNORM 0x00201000L /* 'normal' reg, qualifies as EA */
-#define REG8 0x00201001L
-#define REG16 0x00201002L
-#define REG32 0x00201004L
-#define REG64 0x00201008L
+#define REGNORM 0x00009000L /* 'normal' reg, qualifies as EA */
+#define REG_GPR 0x00209000L /* integer register */
+#define REG8 0x00209001L /* 8-bit GPR */
+#define REG16 0x00209002L /* 16-bit GPR */
+#define REG32 0x00209004L /* 32-bit GPR */
+#define REG64 0x00209008L /* 64-bit GPR */
#define IP_REG 0x00801000L /* RIP or EIP register */
#define RIPREG 0x00801008L /* RIP */
#define EIPREG 0x00801004L /* EIP */
@@ -489,26 +490,26 @@ enum {
#define REG_FSGS 0x00441002L /* FS, GS */
#define REG_SEG67 0x00481002L /* Unimplemented segment registers */
-#define REG_RIP 0x00a01008L /* RIP relative addressing */
-#define REG_EIP 0x00a01004L /* EIP relative addressing */
+#define REG_RIP 0x00809008L /* RIP relative addressing */
+#define REG_EIP 0x00809004L /* EIP relative addressing */
/* Special GPRs */
#define REG_SMASK 0x000f0000L /* a mask for the following */
-#define REG_ACCUM 0x00211000L /* accumulator: AL, AX, EAX, RAX */
-#define REG_AL 0x00211001L
-#define REG_AX 0x00211002L
-#define REG_EAX 0x00211004L
-#define REG_RAX 0x00211008L
-#define REG_COUNT 0x00221000L /* counter: CL, CX, ECX, RCX */
-#define REG_CL 0x00221001L
-#define REG_CX 0x00221002L
-#define REG_ECX 0x00221004L
-#define REG_RCX 0x00221008L
-#define REG_DL 0x00241001L /* data: DL, DX, EDX, RDX */
-#define REG_DX 0x00241002L
-#define REG_EDX 0x00241004L
-#define REG_RDX 0x00241008L
-#define REG_HIGH 0x00281001L /* high regs: AH, CH, DH, BH */
+#define REG_ACCUM 0x00219000L /* accumulator: AL, AX, EAX, RAX */
+#define REG_AL 0x00219001L
+#define REG_AX 0x00219002L
+#define REG_EAX 0x00219004L
+#define REG_RAX 0x00219008L
+#define REG_COUNT 0x00229000L /* counter: CL, CX, ECX, RCX */
+#define REG_CL 0x00229001L
+#define REG_CX 0x00229002L
+#define REG_ECX 0x00229004L
+#define REG_RCX 0x00229008L
+#define REG_DL 0x00249001L /* data: DL, DX, EDX, RDX */
+#define REG_DX 0x00249002L
+#define REG_EDX 0x00249004L
+#define REG_RDX 0x00249008L
+#define REG_HIGH 0x00289001L /* high regs: AH, CH, DH, BH */
/* special type of EA */
#define MEM_OFFS 0x00214000L /* simple [address] offset */