Create a branch for cmake bringup.

svn path=/branches/cmake-bringup/; revision=48236

lib/pseh/powerpc/framebased.S

@@ -0,0 +1,69 @@
+// 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