darwin_closure.S: Fix alignement bug, allocate 8 bytes for the result.

[thirdparty/gcc.git] / libffi / src / powerpc / ffi_darwin.c

diff --git a/libffi/src/powerpc/ffi_darwin.c b/libffi/src/powerpc/ffi_darwin.c
index 57736449e4f72cb67aec70b51c3f619ba0f43016..3f705275c5f37207d7808f15b44c6918218dd600 100644 (file)
--- a/libffi/src/powerpc/ffi_darwin.c
+++ b/libffi/src/powerpc/ffi_darwin.c
@@ -410,38 +410,40 @@ typedef struct aix_fd_struct {
                   +---------------------------------------+ 20
                   | saved TOC pointer 4                   | 
                   +---------------------------------------+ 24
-                  | always reserved 8*4=32  (revious GPRs)| 
+                  | always reserved 8*4=32 (previous GPRs)| 
                   | according to the linkage convention   |
-                  | from AIX                             |
+                  | from AIX                              |
                   +---------------------------------------+ 56
-                  | our FPR area 13*8=104                |
-                  | f1                                   |
-                  | .                                    |
-                  | f13                                  | 
+                  | our FPR area 13*8=104                 |
+                  | f1                                    |
+                  | .                                     |
+                  | f13                                   | 
                   +---------------------------------------+ 160
-                  | result area 4                         | 
-SP current -->    +---------------------------------------+ 164 <- parent frame
-                  | back chain to caller 4                | 
+                  | result area 8                         |
                   +---------------------------------------+ 168
+                  | alignement to the next multiple of 16 |
+SP current -->    +---------------------------------------+ 176 <- parent frame
+                  | back chain to caller 4                | 
+                  +---------------------------------------+ 180
                   | saved CR 4                            | 
-                  +---------------------------------------+ 172
+                  +---------------------------------------+ 184
                   | saved LR 4                            | 
-                  +---------------------------------------+ 176
+                  +---------------------------------------+ 188
                   | reserved for compilers 4              | 
-                  +---------------------------------------+ 180
+                  +---------------------------------------+ 192
                   | reserved for binders 4                | 
-                  +---------------------------------------+ 184
+                  +---------------------------------------+ 196
                   | saved TOC pointer 4                   | 
-                  +---------------------------------------+ 188
+                  +---------------------------------------+ 200
                   | always reserved 8*4=32  we store our  |
-                  | GPRs here                            |
-                  | r3                                   |
-                  | .                                    |
-                  | r10                                  |
-                  +---------------------------------------+ 220
-                  | PST area, overflow part              | 
+                  | GPRs here                             |
+                  | r3                                    |
+                  | .                                     |
+                  | r10                                   |
+                  +---------------------------------------+ 232
+                  | PST area, overflow part               | 
                   +---------------------------------------+ xxx
-                  | ????                                 | 
+                  | ????                                  | 
                   +---------------------------------------+ xxx
 
 */