diff options
Diffstat (limited to 'nsprpub/pr/src/md/unix/os_SunOS_x86.s')
-rw-r--r-- | nsprpub/pr/src/md/unix/os_SunOS_x86.s | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/nsprpub/pr/src/md/unix/os_SunOS_x86.s b/nsprpub/pr/src/md/unix/os_SunOS_x86.s new file mode 100644 index 000000000..dcd7535bf --- /dev/null +++ b/nsprpub/pr/src/md/unix/os_SunOS_x86.s @@ -0,0 +1,126 @@ +// -*- 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/. + + .text + + .globl getedi +getedi: + movl %edi,%eax + ret + .type getedi,@function + .size getedi,.-getedi + + .globl setedi +setedi: + movl 4(%esp),%edi + ret + .type setedi,@function + .size setedi,.-setedi + + .globl __MD_FlushRegisterWindows + .globl _MD_FlushRegisterWindows + +__MD_FlushRegisterWindows: +_MD_FlushRegisterWindows: + + ret + +// +// sol_getsp() +// +// Return the current sp (for debugging) +// + .globl sol_getsp +sol_getsp: + movl %esp, %eax + ret + +// +// sol_curthread() +// +// Return a unique identifier for the currently active thread. +// + .globl sol_curthread +sol_curthread: + movl %ecx, %eax + ret + +// PRInt32 _MD_AtomicIncrement(PRInt32 *val) +// +// Atomically increment the integer pointed to by 'val' and return +// the result of the increment. +// + .text + .globl _MD_AtomicIncrement + .align 4 +_MD_AtomicIncrement: + movl 4(%esp), %ecx + movl $1, %eax + lock + xaddl %eax, (%ecx) + incl %eax + ret + +// PRInt32 _MD_AtomicDecrement(PRInt32 *val) +// +// Atomically decrement the integer pointed to by 'val' and return +// the result of the decrement. +// + .text + .globl _MD_AtomicDecrement + .align 4 +_MD_AtomicDecrement: + movl 4(%esp), %ecx + movl $-1, %eax + lock + xaddl %eax, (%ecx) + decl %eax + ret + +// PRInt32 _MD_AtomicSet(PRInt32 *val, PRInt32 newval) +// +// Atomically set the integer pointed to by 'val' to the new +// value 'newval' and return the old value. +// +// An alternative implementation: +// .text +// .globl _MD_AtomicSet +// .align 4 +//_MD_AtomicSet: +// movl 4(%esp), %ecx +// movl 8(%esp), %edx +// movl (%ecx), %eax +//retry: +// lock +// cmpxchgl %edx, (%ecx) +// jne retry +// ret +// + .text + .globl _MD_AtomicSet + .align 4 +_MD_AtomicSet: + movl 4(%esp), %ecx + movl 8(%esp), %eax + xchgl %eax, (%ecx) + ret + +// PRInt32 _MD_AtomicAdd(PRInt32 *ptr, PRInt32 val) +// +// Atomically add 'val' to the integer pointed to by 'ptr' +// and return the result of the addition. +// + .text + .globl _MD_AtomicAdd + .align 4 +_MD_AtomicAdd: + movl 4(%esp), %ecx + movl 8(%esp), %eax + movl %eax, %edx + lock + xaddl %eax, (%ecx) + addl %edx, %eax + ret |