other-licenses/7zstub/src/Asm/x86/7zAsm.asm

   1 ; 7zAsm.asm -- ASM macros
   2 ; 2018-02-03 : Igor Pavlov : Public domain
   3
   4 MY_ASM_START macro
   5   ifdef x64
   6     .code
   7   else
   8     .386
   9     .model flat
  10     _TEXT$00 SEGMENT PARA PUBLIC 'CODE'
  11   endif
  12 endm
  13
  14 MY_PROC macro name:req, numParams:req
  15   align 16
  16   proc_numParams = numParams
  17   ifdef x64
  18     proc_name equ name
  19   else
  20     proc_name equ @CatStr(@,name,@, %numParams * 4)
  21   endif
  22   proc_name PROC
  23 endm
  24
  25 MY_ENDP macro
  26   ifdef x64
  27     ret
  28   else
  29     if proc_numParams LT 3
  30       ret
  31     else
  32       ret (proc_numParams - 2) * 4
  33     endif
  34   endif
  35   proc_name ENDP
  36 endm
  37
  38 ifdef x64
  39   REG_SIZE equ 8
  40   REG_LOGAR_SIZE equ 3
  41 else
  42   REG_SIZE equ 4
  43   REG_LOGAR_SIZE equ 2
  44 endif
  45
  46   x0 equ EAX
  47   x1 equ ECX
  48   x2 equ EDX
  49   x3 equ EBX
  50   x4 equ ESP
  51   x5 equ EBP
  52   x6 equ ESI
  53   x7 equ EDI
  54
  55   x0_W equ AX
  56   x1_W equ CX
  57   x2_W equ DX
  58   x3_W equ BX
  59
  60   x5_W equ BP
  61   x6_W equ SI
  62   x7_W equ DI
  63
  64   x0_L equ AL
  65   x1_L equ CL
  66   x2_L equ DL
  67   x3_L equ BL
  68
  69   x0_H equ AH
  70   x1_H equ CH
  71   x2_H equ DH
  72   x3_H equ BH
  73
  74 ifdef x64
  75   x5_L equ BPL
  76   x6_L equ SIL
  77   x7_L equ DIL
  78
  79   r0 equ RAX
  80   r1 equ RCX
  81   r2 equ RDX
  82   r3 equ RBX
  83   r4 equ RSP
  84   r5 equ RBP
  85   r6 equ RSI
  86   r7 equ RDI
  87   x8 equ r8d
  88   x9 equ r9d
  89   x10 equ r10d
  90   x11 equ r11d
  91   x12 equ r12d
  92   x13 equ r13d
  93   x14 equ r14d
  94   x15 equ r15d
  95 else
  96   r0 equ x0
  97   r1 equ x1
  98   r2 equ x2
  99   r3 equ x3
 100   r4 equ x4
 101   r5 equ x5
 102   r6 equ x6
 103   r7 equ x7
 104 endif
 105
 106 MY_PUSH_4_REGS macro
 107     push    r3
 108     push    r5
 109     push    r6
 110     push    r7
 111 endm
 112
 113 MY_POP_4_REGS macro
 114     pop     r7
 115     pop     r6
 116     pop     r5
 117     pop     r3
 118 endm
 119
 120
 121 ifdef x64
 122
 123 ; for WIN64-x64 ABI:
 124
 125 REG_PARAM_0 equ r1
 126 REG_PARAM_1 equ r2
 127 REG_PARAM_2 equ r8
 128 REG_PARAM_3 equ r9
 129
 130 MY_PUSH_PRESERVED_REGS macro
 131     MY_PUSH_4_REGS
 132     push    r12
 133     push    r13
 134     push    r14
 135     push    r15
 136 endm
 137
 138
 139 MY_POP_PRESERVED_REGS macro
 140     pop     r15
 141     pop     r14
 142     pop     r13
 143     pop     r12
 144     MY_POP_4_REGS
 145 endm
 146
 147 endif