| // -*- 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 |
