ceph/src/boost/libs/context/src/asm/ontop_x86_64_ms_pe_masm.asm

   1
   2 ;           Copyright Oliver Kowalke 2009.
   3 ;  Distributed under the Boost Software License, Version 1.0.
   4 ;     (See accompanying file LICENSE_1_0.txt or copy at
   5 ;           http://www.boost.org/LICENSE_1_0.txt)
   6
   7 ;  ----------------------------------------------------------------------------------
   8 ;  |     0   |     1   |     2    |     3   |     4   |     5   |     6   |     7   |
   9 ;  ----------------------------------------------------------------------------------
  10 ;  |    0x0  |    0x4  |    0x8   |    0xc  |   0x10  |   0x14  |   0x18  |   0x1c  |
  11 ;  ----------------------------------------------------------------------------------
  12 ;  |                          SEE registers (XMM6-XMM15)                            |
  13 ;  ----------------------------------------------------------------------------------
  14 ;  ----------------------------------------------------------------------------------
  15 ;  |     8   |    9    |    10    |    11   |    12   |    13   |    14   |    15   |
  16 ;  ----------------------------------------------------------------------------------
  17 ;  |   0x20  |  0x24   |   0x28   |   0x2c  |   0x30  |   0x34  |   0x38  |   0x3c  |
  18 ;  ----------------------------------------------------------------------------------
  19 ;  |                          SEE registers (XMM6-XMM15)                            |
  20 ;  ----------------------------------------------------------------------------------
  21 ;  ----------------------------------------------------------------------------------
  22 ;  |    16   |    17   |    18   |    19    |    20   |    21   |    22   |    23   |
  23 ;  ----------------------------------------------------------------------------------
  24 ;  |   0xe40  |   0x44 |   0x48  |   0x4c   |   0x50  |   0x54  |   0x58  |   0x5c  |
  25 ;  ----------------------------------------------------------------------------------
  26 ;  |                          SEE registers (XMM6-XMM15)                            |
  27 ;  ----------------------------------------------------------------------------------
  28 ;  ----------------------------------------------------------------------------------
  29 ;  |    24   |   25    |    26    |   27    |    28   |    29   |    30   |    31   |
  30 ;  ----------------------------------------------------------------------------------
  31 ;  |   0x60  |   0x64  |   0x68   |   0x6c  |   0x70  |   0x74  |   0x78  |   0x7c  |
  32 ;  ----------------------------------------------------------------------------------
  33 ;  |                          SEE registers (XMM6-XMM15)                            |
  34 ;  ----------------------------------------------------------------------------------
  35 ;  ----------------------------------------------------------------------------------
  36 ;  |    32   |   32    |    33    |   34    |    35   |    36   |    37   |    38   |
  37 ;  ----------------------------------------------------------------------------------
  38 ;  |   0x80  |   0x84  |   0x88   |   0x8c  |   0x90  |   0x94  |   0x98  |   0x9c  |
  39 ;  ----------------------------------------------------------------------------------
  40 ;  |                          SEE registers (XMM6-XMM15)                            |
  41 ;  ----------------------------------------------------------------------------------
  42 ;  ----------------------------------------------------------------------------------
  43 ;  |    39   |   40    |    41    |   42    |    43   |    44   |    45   |    46   |
  44 ;  ----------------------------------------------------------------------------------
  45 ;  |   0xa0  |   0xa4  |   0xa8   |   0xac  |   0xb0  |   0xb4  |   0xb8  |   0xbc  |
  46 ;  ----------------------------------------------------------------------------------
  47 ;  | fc_mxcsr|fc_x87_cw|     <alignment>    |       fbr_strg    |      fc_dealloc   |
  48 ;  ----------------------------------------------------------------------------------
  49 ;  ----------------------------------------------------------------------------------
  50 ;  |    47   |   48    |    49    |   50    |    51   |    52   |    53   |    54   |
  51 ;  ----------------------------------------------------------------------------------
  52 ;  |   0xc0  |   0xc4  |   0xc8   |   0xcc  |   0xd0  |   0xd4  |   0xd8  |   0xdc  |
  53 ;  ----------------------------------------------------------------------------------
  54 ;  |        limit      |         base       |         R12       |         R13       |
  55 ;  ----------------------------------------------------------------------------------
  56 ;  ----------------------------------------------------------------------------------
  57 ;  |    55   |   56    |    57    |   58    |    59   |    60   |    61   |    62   |
  58 ;  ----------------------------------------------------------------------------------
  59 ;  |   0xe0  |   0xe4  |   0xe8   |   0xec  |   0xf0  |   0xf4  |   0xf8  |   0xfc  |
  60 ;  ----------------------------------------------------------------------------------
  61 ;  |        R14        |         R15        |         RDI       |        RSI        |
  62 ;  ----------------------------------------------------------------------------------
  63 ;  ----------------------------------------------------------------------------------
  64 ;  |    63   |   64    |    65    |   66    |    67   |    68   |    69   |    70   |
  65 ;  ----------------------------------------------------------------------------------
  66 ;  |  0x100  |  0x104  |  0x108   |  0x10c  |  0x110  |  0x114  |  0x118  |  0x11c  |
  67 ;  ----------------------------------------------------------------------------------
  68 ;  |        RBX        |         RBP        |       hidden      |        RIP        |
  69 ;  ----------------------------------------------------------------------------------
  70 ;  ----------------------------------------------------------------------------------
  71 ;  |    71   |   72    |    73    |   74    |    75   |    76   |    77   |    78   |
  72 ;  ----------------------------------------------------------------------------------
  73 ;  |  0x120  |  0x124  |  0x128   |  0x12c  |  0x130  |  0x134  |  0x138  |  0x13c  |
  74 ;  ----------------------------------------------------------------------------------
  75 ;  |                                   parameter area                               |
  76 ;  ----------------------------------------------------------------------------------
  77 ;  ----------------------------------------------------------------------------------
  78 ;  |    79   |   80    |    81    |   82    |    83   |    84   |    85   |    86   |
  79 ;  ----------------------------------------------------------------------------------
  80 ;  |  0x140  |  0x144  |  0x148   |  0x14c  |  0x150  |  0x154  |  0x158  |  0x15c  |
  81 ;  ----------------------------------------------------------------------------------
  82 ;  |       FCTX        |        DATA        |                                       |
  83 ;  ----------------------------------------------------------------------------------
  84
  85 .code
  86
  87 ontop_fcontext PROC BOOST_CONTEXT_EXPORT FRAME
  88     .endprolog
  89
  90     ; prepare stack
  91     lea rsp, [rsp-0118h]
  92
  93 IFNDEF BOOST_USE_TSX
  94     ; save XMM storage
  95     movaps  [rsp], xmm6
  96     movaps  [rsp+010h], xmm7
  97     movaps  [rsp+020h], xmm8
  98     movaps  [rsp+030h], xmm9
  99     movaps  [rsp+040h], xmm10
 100     movaps  [rsp+050h], xmm11
 101     movaps  [rsp+060h], xmm12
 102     movaps  [rsp+070h], xmm13
 103     movaps  [rsp+080h], xmm14
 104     movaps  [rsp+090h], xmm15
 105     ; save MMX control- and status-word
 106     stmxcsr  [rsp+0a0h]
 107     ; save x87 control-word
 108     fnstcw  [rsp+0a4h]
 109 ENDIF
 110
 111     ; load NT_TIB
 112     mov  r10,  gs:[030h]
 113     ; save fiber local storage
 114     mov  rax, [r10+020h]
 115     mov  [rsp+0b0h], rax
 116     ; save current deallocation stack
 117     mov  rax, [r10+01478h]
 118     mov  [rsp+0b8h], rax
 119     ; save current stack limit
 120     mov  rax, [r10+010h]
 121     mov  [rsp+0c0h], rax
 122     ; save current stack base
 123     mov  rax,  [r10+08h]
 124     mov  [rsp+0c8h], rax
 125
 126     mov [rsp+0d0h], r12  ; save R12
 127     mov [rsp+0d8h], r13  ; save R13
 128     mov [rsp+0e0h], r14  ; save R14
 129     mov [rsp+0e8h], r15  ; save R15
 130     mov [rsp+0f0h], rdi  ; save RDI
 131     mov [rsp+0f8h], rsi  ; save RSI
 132     mov [rsp+0100h], rbx  ; save RBX
 133     mov [rsp+0108h], rbp  ; save RBP
 134
 135     mov [rsp+0110h], rcx  ; save hidden address of transport_t
 136
 137     ; preserve RSP (pointing to context-data) in RCX
 138     mov  rcx, rsp
 139
 140     ; restore RSP (pointing to context-data) from RDX
 141     mov  rsp, rdx
 142
 143 IFNDEF BOOST_USE_TSX
 144     ; restore XMM storage
 145     movaps  xmm6, [rsp]
 146     movaps  xmm7, [rsp+010h]
 147     movaps  xmm8, [rsp+020h]
 148     movaps  xmm9, [rsp+030h]
 149     movaps  xmm10, [rsp+040h]
 150     movaps  xmm11, [rsp+050h]
 151     movaps  xmm12, [rsp+060h]
 152     movaps  xmm13, [rsp+070h]
 153     movaps  xmm14, [rsp+080h]
 154     movaps  xmm15, [rsp+090h]
 155     ; restore MMX control- and status-word
 156     ldmxcsr  [rsp+0a0h]
 157     ; save x87 control-word
 158     fldcw   [rsp+0a4h]
 159 ENDIF
 160
 161     ; load NT_TIB
 162     mov  r10,  gs:[030h]
 163     ; restore fiber local storage
 164     mov  rax, [rsp+0b0h]
 165     mov  [r10+020h], rax
 166     ; restore current deallocation stack
 167     mov  rax, [rsp+0b8h]
 168     mov  [r10+01478h], rax
 169     ; restore current stack limit
 170     mov  rax, [rsp+0c0h]
 171     mov  [r10+010h], rax
 172     ; restore current stack base
 173     mov  rax, [rsp+0c8h]
 174     mov  [r10+08h], rax
 175
 176     mov r12, [rsp+0d0h]  ; restore R12
 177     mov r13, [rsp+0d8h]  ; restore R13
 178     mov r14, [rsp+0e0h]  ; restore R14
 179     mov r15, [rsp+0e8h]  ; restore R15
 180     mov rdi, [rsp+0f0h]  ; restore RDI
 181     mov rsi, [rsp+0f8h]  ; restore RSI
 182     mov rbx, [rsp+0100h]  ; restore RBX
 183     mov rbp, [rsp+0108h]  ; restore RBP
 184
 185     mov rax, [rsp+0110h] ; restore hidden address of transport_t
 186
 187     ; prepare stack
 188     lea rsp, [rsp+0118h]
 189
 190     ; keep return-address on stack
 191
 192     ; transport_t returned in RAX
 193     ; return parent fcontext_t
 194     mov  [rax], rcx
 195     ; return data
 196     mov  [rax+08h], r8
 197
 198     ; transport_t as 1.arg of context-function
 199     ; RCX contains address of returned (hidden) transfer_t
 200     mov rcx,  rax
 201     ; RDX contains address of passed transfer_t
 202     mov rdx,  rax
 203
 204     ; indirect jump to context
 205     jmp  r9
 206 ontop_fcontext ENDP
 207 END