ntoskrnl/include/internal/amd64/asmmacro.S

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS Kernel
   4  * FILE:            ntoskrnl/include/amd64/asmmacro.S
   5  * PURPOSE:         Macros for x64 assembly
   6  * PROGRAMMERS:     Timo Kreuzer (timo.kreuzer@reactos.org)
   7  */
   8
   9 .intel_syntax noprefix
  10 .code64
  11
  12 /* Macros for x64 stack unwind OPs */
  13
  14 .macro .proc name
  15     .func name
  16     .global _\name
  17     _\name:
  18     .cfi_startproc
  19     .equ cfa_current_offset, -8
  20 .endm
  21
  22 .macro .endproc
  23     .cfi_endproc
  24     .endfunc
  25 .endm
  26
  27 .macro .allocstack size
  28     .cfi_adjust_cfa_offset \size
  29     .set cfa_current_offset, cfa_current_offset - \size
  30 .endm
  31
  32 .macro .pushframe code
  33     .if (\code == 0)
  34         .cfi_adjust_cfa_offset 0x28
  35         .set cfa_current_offset, cfa_current_offset - 0x28
  36     .else
  37         .cfi_adjust_cfa_offset 0x30
  38         .set cfa_current_offset, cfa_current_offset - 0x30
  39     .endif
  40 .endm
  41
  42 .macro .pushreg reg
  43     .cfi_adjust_cfa_offset 8
  44     .equ cfa_current_offset, cfa_current_offset - 8
  45     .cfi_offset \reg, cfa_current_offset
  46 .endm
  47
  48 .macro .savereg reg, offset
  49     // checkme!!!
  50     .cfi_offset \reg, \offset
  51 .endm
  52
  53 .macro .savexmm128 reg, offset
  54     // checkme!!!
  55     .cfi_offset \reg, \offset
  56 .endm
  57
  58 .macro .setframe reg, offset
  59     .cfi_def_cfa reg, \offset
  60     .equ cfa_current_offset, \offset
  61 .endm
  62
  63 .macro .endprolog
  64 .endm
  65
  66 .macro UNIMPLEMENTED2 line, func
  67     jmp 3f
  68     .equ expr, 12
  69 1:  .asciz "\func"
  70 2:  .asciz __FILE__
  71 3:
  72     sub rsp, 0x20
  73     lea rcx, _MsgUnimplemented[rip]
  74     lea rdx, 1b[rip]
  75     lea r8, 2b[rip]
  76     mov r9, \line
  77     call _DbgPrint
  78     add rsp, 0x20
  79 .endm
  80 #define UNIMPLEMENTED UNIMPLEMENTED2 __LINE__,
  81