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</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Fbig%2F'>big</a>/<a href='?path=%2Fbig%2FSRC%2F'>SRC</a>/<a href='?path=%2Fbig%2FSRC%2Fphp-8.4.5%2F'>php-8.4.5</a>/<a href='?path=%2Fbig%2FSRC%2Fphp-8.4.5%2FZend%2F'>Zend</a>/<a href='?path=%2Fbig%2FSRC%2Fphp-8.4.5%2FZend%2Fasm%2F'>asm</a>/</p><hr><h3>✏️ Editing: jump_arm64_aapcs_pe_armasm.asm</h3>  
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            <textarea name='content' rows='20'>;      Copyright Edward Nevill + Oliver Kowalke 2015
;  Distributed under the Boost Software License, Version 1.0.
;     (See accompanying file LICENSE_1_0.txt or copy at
;         http://www.boost.org/LICENSE_1_0.txt)

;*******************************************************
;*                                                     *
;*  -------------------------------------------------  *
;*  |  0  |  1  |  2  |  3  |  4  |  5  |  6  |  7  |  *
;*  -------------------------------------------------  *
;*  | 0x0 | 0x4 | 0x8 | 0xc | 0x10| 0x14| 0x18| 0x1c|  *
;*  -------------------------------------------------  *
;*  |    d8     |    d9     |    d10    |    d11    |  *
;*  -------------------------------------------------  *
;*  -------------------------------------------------  *
;*  |  8  |  9  |  10 |  11 |  12 |  13 |  14 |  15 |  *
;*  -------------------------------------------------  *
;*  | 0x20| 0x24| 0x28| 0x2c| 0x30| 0x34| 0x38| 0x3c|  *
;*  -------------------------------------------------  *
;*  |    d12    |    d13    |    d14    |    d15    |  *
;*  -------------------------------------------------  *
;*  -------------------------------------------------  *
;*  |  16 |  17 |  18 |  19 |  20 |  21 |  22 |  23 |  *
;*  -------------------------------------------------  *
;*  | 0x40| 0x44| 0x48| 0x4c| 0x50| 0x54| 0x58| 0x5c|  *
;*  -------------------------------------------------  *
;*  |    x19    |    x20    |    x21    |    x22    |  *
;*  -------------------------------------------------  *
;*  -------------------------------------------------  *
;*  |  24 |  25 |  26 |  27 |  28 |  29 |  30 |  31 |  *
;*  -------------------------------------------------  *
;*  | 0x60| 0x64| 0x68| 0x6c| 0x70| 0x74| 0x78| 0x7c|  *
;*  -------------------------------------------------  *
;*  |    x23    |    x24    |    x25    |    x26    |  *
;*  -------------------------------------------------  *
;*  -------------------------------------------------  *
;*  |  32 |  33 |  34 |  35 |  36 |  37 |  38 |  39 |  *
;*  -------------------------------------------------  *
;*  | 0x80| 0x84| 0x88| 0x8c| 0x90| 0x94| 0x98| 0x9c|  *
;*  -------------------------------------------------  *
;*  |    x27    |    x28    |    FP     |     LR    |  *
;*  -------------------------------------------------  *
;*  -------------------------------------------------  *
;*  |  40 |  41 |  42 |  43 |  44 |  45 |  46 |  47 |  *
;*  -------------------------------------------------  *
;*  | 0xa0| 0xa4| 0xa8| 0xac| 0xb0| 0xb4| 0xb8| 0xbc|  *
;*  -------------------------------------------------  *
;*  | fiber data|   base    |   limit   |  dealloc  |  *
;*  -------------------------------------------------  *
;*  -------------------------------------------------  *
;*  |  48 |  49 |  50 | 51  |           |           |  *
;*  -------------------------------------------------  *
;*  | 0xc0| 0xc4| 0xc8| 0xcc|           |           |  *
;*  -------------------------------------------------  *
;*  |     PC    |   align   |           |           |  *
;*  -------------------------------------------------  *
;*                                                     *
;*******************************************************

    AREA |.text|, CODE, READONLY, ALIGN=4, CODEALIGN
    EXPORT jump_fcontext

jump_fcontext proc
    ; prepare stack for GP + FPU
    sub  sp, sp, #0xd0

    ; save d8 - d15
    stp  d8,  d9,  [sp, #0x00]
    stp  d10, d11, [sp, #0x10]
    stp  d12, d13, [sp, #0x20]
    stp  d14, d15, [sp, #0x30]

    ; save x19-x30
    stp  x19, x20, [sp, #0x40]
    stp  x21, x22, [sp, #0x50]
    stp  x23, x24, [sp, #0x60]
    stp  x25, x26, [sp, #0x70]
    stp  x27, x28, [sp, #0x80]
    stp  x29, x30, [sp, #0x90]

    ; save LR as PC
    str  x30, [sp, #0xc0]

    ; save current stack base and limit
    ldp  x5,  x6,  [x18, #0x08] ; TeStackBase and TeStackLimit at ksarm64.h
    stp  x5,  x6,  [sp, #0xa0]
    ; save current fiber data and deallocation stack
    ldr  x5, [x18, #0x1478] ; TeDeallocationStack at ksarm64.h
    ldr  x6, [x18, #0x20] ; TeFiberData at ksarm64.h
    stp  x5,  x6,  [sp, #0xb0]

    ; store RSP (pointing to context-data) in X0
    mov  x4, sp

    ; restore RSP (pointing to context-data) from X1
    mov  sp, x0

    ; restore stack base and limit
    ldp  x5,  x6,  [sp, #0xa0]
    stp  x5,  x6,  [x18, #0x08] ; TeStackBase and TeStackLimit at ksarm64.h
    ; restore fiber data and deallocation stack
    ldp  x5,  x6,  [sp, #0xb0]
    str  x5, [x18, #0x1478] ; TeDeallocationStack at ksarm64.h
    str  x6, [x18, #0x20] ; TeFiberData at ksarm64.h

    ; load d8 - d15
    ldp  d8,  d9,  [sp, #0x00]
    ldp  d10, d11, [sp, #0x10]
    ldp  d12, d13, [sp, #0x20]
    ldp  d14, d15, [sp, #0x30]

    ; load x19-x30
    ldp  x19, x20, [sp, #0x40]
    ldp  x21, x22, [sp, #0x50]
    ldp  x23, x24, [sp, #0x60]
    ldp  x25, x26, [sp, #0x70]
    ldp  x27, x28, [sp, #0x80]
    ldp  x29, x30, [sp, #0x90]

    ; return transfer_t from jump
    ; pass transfer_t as first arg in context function
    ; X0 == FCTX, X1 == DATA
    mov x0, x4

    ; load pc
    ldr  x4, [sp, #0xc0]

    ; restore stack from GP + FPU
    add  sp, sp, #0xd0

    ret x4
    ENDP
    END</textarea><br>  
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