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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /nsprpub/pr/src/md/unix/os_Darwin_x86_64.s | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'nsprpub/pr/src/md/unix/os_Darwin_x86_64.s')
-rw-r--r-- | nsprpub/pr/src/md/unix/os_Darwin_x86_64.s | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/nsprpub/pr/src/md/unix/os_Darwin_x86_64.s b/nsprpub/pr/src/md/unix/os_Darwin_x86_64.s new file mode 100644 index 0000000000..449aaa5db6 --- /dev/null +++ b/nsprpub/pr/src/md/unix/os_Darwin_x86_64.s @@ -0,0 +1,67 @@ +# -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- +# +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, You can obtain one at http://mozilla.org/MPL/2.0/. + +# PRInt32 __PR_Darwin_x86_64_AtomicIncrement(PRInt32 *val) +# +# Atomically increment the integer pointed to by 'val' and return +# the result of the increment. +# + .text + .globl __PR_Darwin_x86_64_AtomicIncrement + .private_extern __PR_Darwin_x86_64_AtomicIncrement + .align 4 +__PR_Darwin_x86_64_AtomicIncrement: + movl $1, %eax + lock + xaddl %eax, (%rdi) + incl %eax + ret + +# PRInt32 __PR_Darwin_x86_64_AtomicDecrement(PRInt32 *val) +# +# Atomically decrement the integer pointed to by 'val' and return +# the result of the decrement. +# + .text + .globl __PR_Darwin_x86_64_AtomicDecrement + .private_extern __PR_Darwin_x86_64_AtomicDecrement + .align 4 +__PR_Darwin_x86_64_AtomicDecrement: + movl $-1, %eax + lock + xaddl %eax, (%rdi) + decl %eax + ret + +# PRInt32 __PR_Darwin_x86_64_AtomicSet(PRInt32 *val, PRInt32 newval) +# +# Atomically set the integer pointed to by 'val' to the new +# value 'newval' and return the old value. +# + .text + .globl __PR_Darwin_x86_64_AtomicSet + .private_extern __PR_Darwin_x86_64_AtomicSet + .align 4 +__PR_Darwin_x86_64_AtomicSet: + movl %esi, %eax + xchgl %eax, (%rdi) + ret + +# PRInt32 __PR_Darwin_x86_64_AtomicAdd(PRInt32 *ptr, PRInt32 val) +# +# Atomically add 'val' to the integer pointed to by 'ptr' +# and return the result of the addition. +# + .text + .globl __PR_Darwin_x86_64_AtomicAdd + .private_extern __PR_Darwin_x86_64_AtomicAdd + .align 4 +__PR_Darwin_x86_64_AtomicAdd: + movl %esi, %eax + lock + xaddl %eax, (%rdi) + addl %esi, %eax + ret |