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annotate nspr/pr/src/md/unix/os_Linux_x86_64.s @ 0:1e5118fa0cb1

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This is NSS with a Cmake Buildsyste To compile a static NSS library for Windows we've used the Chromium-NSS fork and added a Cmake buildsystem to compile it statically for Windows. See README.chromium for chromium changes and README.trustbridge for our modifications.
author Andre Heinecke <andre.heinecke@intevation.de>
date Mon, 28 Jul 2014 10:47:06 +0200
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1 // -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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2 //
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3 // This Source Code Form is subject to the terms of the Mozilla Public
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4 // License, v. 2.0. If a copy of the MPL was not distributed with this
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5 // file, You can obtain one at http://mozilla.org/MPL/2.0/.
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6
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7 // PRInt32 _PR_x86_64_AtomicIncrement(PRInt32 *val)
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8 //
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9 // Atomically increment the integer pointed to by 'val' and return
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10 // the result of the increment.
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11 //
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12 .text
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13 .globl _PR_x86_64_AtomicIncrement
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14 .type _PR_x86_64_AtomicIncrement, @function
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15 .align 4
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16 _PR_x86_64_AtomicIncrement:
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17 movl $1, %eax
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18 lock
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19 xaddl %eax, (%rdi)
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20 incl %eax
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21 ret
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22 .size _PR_x86_64_AtomicIncrement, .-_PR_x86_64_AtomicIncrement
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23
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24 // PRInt32 _PR_x86_64_AtomicDecrement(PRInt32 *val)
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25 //
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26 // Atomically decrement the integer pointed to by 'val' and return
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27 // the result of the decrement.
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28 //
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29 .text
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30 .globl _PR_x86_64_AtomicDecrement
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31 .type _PR_x86_64_AtomicDecrement, @function
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32 .align 4
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33 _PR_x86_64_AtomicDecrement:
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34 movl $-1, %eax
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35 lock
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36 xaddl %eax, (%rdi)
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37 decl %eax
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38 ret
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39 .size _PR_x86_64_AtomicDecrement, .-_PR_x86_64_AtomicDecrement
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40
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41 // PRInt32 _PR_x86_64_AtomicSet(PRInt32 *val, PRInt32 newval)
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42 //
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43 // Atomically set the integer pointed to by 'val' to the new
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44 // value 'newval' and return the old value.
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45 //
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46 .text
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47 .globl _PR_x86_64_AtomicSet
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48 .type _PR_x86_64_AtomicSet, @function
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49 .align 4
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50 _PR_x86_64_AtomicSet:
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51 movl %esi, %eax
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52 xchgl %eax, (%rdi)
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53 ret
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54 .size _PR_x86_64_AtomicSet, .-_PR_x86_64_AtomicSet
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55
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56 // PRInt32 _PR_x86_64_AtomicAdd(PRInt32 *ptr, PRInt32 val)
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57 //
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58 // Atomically add 'val' to the integer pointed to by 'ptr'
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59 // and return the result of the addition.
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60 //
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61 .text
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62 .globl _PR_x86_64_AtomicAdd
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63 .type _PR_x86_64_AtomicAdd, @function
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64 .align 4
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65 _PR_x86_64_AtomicAdd:
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66 movl %esi, %eax
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67 lock
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68 xaddl %eax, (%rdi)
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69 addl %esi, %eax
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70 ret
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71 .size _PR_x86_64_AtomicAdd, .-_PR_x86_64_AtomicAdd
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72
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73 // Magic indicating no need for an executable stack
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74 .section .note.GNU-stack, "", @progbits ; .previous
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