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/*************************************************
* Assembly Macros Header File *
* (C) 1999-2006 The Botan Project *
*************************************************/
#ifndef BOTAN_EXT_ASM_MACROS_H__
#define BOTAN_EXT_ASM_MACROS_H__
#define ALIGN .p2align 4,,15
#define START_LISTING(FILENAME) \
.file #FILENAME; \
.text; \
.p2align 4,,15;
#define FUNCTION(func_name) \
.align 8; \
ALIGN; \
.global func_name; \
.type func_name,@function; \
func_name:
#define LOOP_UNTIL(REG, NUM, LABEL) \
cmpl NUM, REG; \
jne LABEL##_LOOP
#define START_LOOP(LABEL) \
ALIGN; \
LABEL##_LOOP:
#define EAX %eax
#define EBX %ebx
#define ECX %ecx
#define EDX %edx
#define EBP %ebp
#define EDI %edi
#define ESI %esi
#define ESP %esp
#define IMM(VAL) $VAL
#define PUSH(REG) pushl REG
#define POP(REG) popl REG
#define ARRAY(REG, NUM) 4*NUM(REG)
#define ARRAY_INDIRECT(BASE, OFFSET, NUM) 4*NUM(BASE,OFFSET,4)
#define ARG(NUM) 4*PUSHED + ARRAY(ESP, NUM)
#define ASSIGN(TO, FROM) movl FROM, TO
#define ADD(TO, FROM) addl FROM, TO
#define ADD_IMM(TO, NUM) addl IMM(NUM), TO
#define ADD2_IMM(TO, FROM, NUM) leal NUM(FROM), TO
#define ADD3_IMM(TO, FROM, NUM) leal NUM(TO,FROM,1), TO
#define XOR(TO, FROM) xorl FROM, TO
#define AND(TO, FROM) andl FROM, TO
#define OR(TO, FROM) orl FROM, TO
#define ZEROIZE(REG) XOR(REG, REG)
#define ROTL_IMM(REG, NUM) roll IMM(NUM), REG
#define ROTR_IMM(REG, NUM) rorl IMM(NUM), REG
#define BSWAP(REG) bswapl REG
#endif
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