reactos/sdk/lib/pseh/powerpc/framebased.S

70 lines
2 KiB
ArmAsm

// Copyright (c) 2004/2005 KJK::Hyperion
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to dos so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
.text
.globl _SEHCleanHandlerEnvironment
_SEHCleanHandlerEnvironment:
blr
.globl _SEHCurrentRegistration
_SEHCurrentRegistration:
lwz 3,0(13)
blr
// R3: Frame to store in
.globl _SEHRegisterFrame
_SEHRegisterFrame:
lwz 4,0(13)
stw 3,0(13)
stw 4,0(3)
blr
.globl _SEHUnregisterFrame
_SEHUnregisterFrame:
lwz 3,0(13)
lwz 3,0(3)
stw 3,0(13)
blr
.globl _SEHGlobalUnwind
_SEHGlobalUnwind:
.extern _SEHRtlUnwind
// RtlUnwind clobbers all the "don't clobber" registers, so we save them
lwz 3,4(1)
stwu 1,-132(1)
stmw 2,-128(1)
xor 6,6,6
xor 5,5,5
lis 4,.RestoreRegisters@ha
addi 4,4,.RestoreRegisters@l # Where to jump back to
# We already have r3
bl _SEHRtlUnwind
.RestoreRegisters:
lmw 2,-128(1)
addi 1,1,132
blr
// EOF