Botan
1.11.15
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00001 /* 00002 * Assembly Macros for 64-bit x86 00003 * (C) 1999-2008 Jack Lloyd 00004 * 00005 * Botan is released under the Simplified BSD License (see license.txt) 00006 */ 00007 00008 #ifndef BOTAN_ASM_MACROS_X86_64_H__ 00009 #define BOTAN_ASM_MACROS_X86_64_H__ 00010 00011 /* 00012 * General/Global Macros 00013 */ 00014 #define ALIGN .p2align 4,,15 00015 00016 #define START_LISTING(FILENAME) \ 00017 .file #FILENAME; \ 00018 .text; \ 00019 ALIGN; 00020 00021 #if defined(__ELF__) 00022 .section .note.GNU-stack,"",%progbits 00023 #endif 00024 00025 /* 00026 * Function Definitions 00027 */ 00028 #define START_FUNCTION(func_name) \ 00029 ALIGN; \ 00030 .global func_name; \ 00031 .type func_name,@function; \ 00032 func_name: 00033 00034 #define END_FUNCTION(func_name) \ 00035 ret 00036 00037 /* 00038 * Conditional Jumps 00039 */ 00040 #define JUMP_IF_ZERO(REG, LABEL) \ 00041 cmp IMM(0), REG; \ 00042 jz LABEL 00043 00044 #define JUMP_IF_LT(REG, NUM, LABEL) \ 00045 cmp IMM(NUM), REG; \ 00046 jl LABEL 00047 00048 /* 00049 * Register Names 00050 */ 00051 #define R0 %rax 00052 #define R1 %rbx 00053 #define R2 %rcx 00054 #define R2_32 %ecx 00055 #define R3 %rdx 00056 #define R3_32 %edx 00057 #define R4 %rsp 00058 #define R5 %rbp 00059 #define R6 %rsi 00060 #define R6_32 %esi 00061 #define R7 %rdi 00062 #define R8 %r8 00063 #define R9 %r9 00064 #define R9_32 %r9d 00065 #define R10 %r10 00066 #define R11 %r11 00067 #define R12 %r12 00068 #define R13 %r13 00069 #define R14 %r14 00070 #define R15 %r15 00071 #define R16 %r16 00072 00073 #define ARG_1 R7 00074 #define ARG_2 R6 00075 #define ARG_2_32 R6_32 00076 #define ARG_3 R3 00077 #define ARG_3_32 R3_32 00078 #define ARG_4 R2 00079 #define ARG_4_32 R2_32 00080 #define ARG_5 R8 00081 #define ARG_6 R9 00082 #define ARG_6_32 R9_32 00083 00084 #define TEMP_1 R10 00085 #define TEMP_2 R11 00086 #define TEMP_3 ARG_6 00087 #define TEMP_4 ARG_5 00088 #define TEMP_5 ARG_4 00089 #define TEMP_5_32 ARG_4_32 00090 #define TEMP_6 ARG_3 00091 #define TEMP_7 ARG_2 00092 #define TEMP_8 ARG_1 00093 #define TEMP_9 R0 00094 00095 /* 00096 * Memory Access Operations 00097 */ 00098 #define ARRAY8(REG, NUM) 8*(NUM)(REG) 00099 #define ARRAY4(REG, NUM) 4*(NUM)(REG) 00100 00101 #define ASSIGN(TO, FROM) mov FROM, TO 00102 00103 /* 00104 * ALU Operations 00105 */ 00106 #define IMM(VAL) $VAL 00107 00108 #define ADD(TO, FROM) add FROM, TO 00109 #define ADD_LAST_CARRY(REG) adc IMM(0), REG 00110 #define ADD_IMM(TO, NUM) ADD(TO, IMM(NUM)) 00111 #define ADD_W_CARRY(TO1, TO2, FROM) add FROM, TO1; adc IMM(0), TO2; 00112 #define SUB_IMM(TO, NUM) sub IMM(NUM), TO 00113 #define MUL(REG) mul REG 00114 00115 #define XOR(TO, FROM) xor FROM, TO 00116 #define AND(TO, FROM) and FROM, TO 00117 #define OR(TO, FROM) or FROM, TO 00118 #define NOT(REG) not REG 00119 #define ZEROIZE(REG) XOR(REG, REG) 00120 00121 #define RETURN_VALUE_IS(V) ASSIGN(%rax, V) 00122 00123 #define ROTL_IMM(REG, NUM) rol IMM(NUM), REG 00124 #define ROTR_IMM(REG, NUM) ror IMM(NUM), REG 00125 #define ADD3_IMM(TO, FROM, NUM) lea NUM(TO,FROM,1), TO 00126 00127 #endif