The PPC32 ABI dictates that long long (64bit) parameters are pass in odd/even
register pairs. Because unlike ARM and MIPS we start at an odd register number,
we can reuse the same aligning code that ARM and MIPS use.
Signed-off-by: Alexander Graf <ag...@suse.de>
---
linux-user/syscall.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 1a38169..8cd56f2 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -587,12 +587,16 @@ extern int setfsgid(int);
extern int setgroups(int, gid_t *);
/* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */
-#ifdef TARGET_ARM
+#ifdef TARGET_ARM
static inline int regpairs_aligned(void *cpu_env) {
return ((((CPUARMState *)cpu_env)->eabi) == 1) ;
}
#elif defined(TARGET_MIPS)
static inline int regpairs_aligned(void *cpu_env) { return 1; }
+#elif defined(TARGET_PPC) && !defined(TARGET_PPC64)
+/* PPC32 expects 64bit parameters to be passed on odd/even pairs of registers
+ which translates to the same as ARM/MIPS, because we start with r3 as arg1
*/
+static inline int regpairs_aligned(void *cpu_env) { return 1; }
#else
static inline int regpairs_aligned(void *cpu_env) { return 0; }
#endif
--
1.6.0.2
