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[Qemu-devel] [PATCH] linux-user: fix fadvise64_64() on ppc
From: |
Laurent Vivier |
Subject: |
[Qemu-devel] [PATCH] linux-user: fix fadvise64_64() on ppc |
Date: |
Thu, 2 Mar 2017 01:11:45 +0100 |
On ppc, advice is arg2, not arg6:
long ppc_fadvise64_64(int fd, int advice, u32 offset_high, u32 offset_low,
u32 len_high, u32 len_low)
Signed-off-by: Laurent Vivier <address@hidden>
---
linux-user/syscall.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 2da8426..671b13a 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -11261,6 +11261,15 @@ abi_long do_syscall(void *cpu_env, int num, abi_long
arg1,
#ifdef TARGET_NR_fadvise64_64
case TARGET_NR_fadvise64_64:
+#if defined(TARGET_PPC)
+ /* 6 args: fd, advice, offset (high, low), len (high, low) */
+ ret = arg2;
+ arg2 = arg3;
+ arg3 = arg4;
+ arg4 = arg5;
+ arg5 = arg6;
+ arg6 = ret;
+#else
/* 6 args: fd, offset (high, low), len (high, low), advice */
if (regpairs_aligned(cpu_env)) {
/* offset is in (3,4), len in (5,6) and advice in 7 */
@@ -11270,6 +11279,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long
arg1,
arg5 = arg6;
arg6 = arg7;
}
+#endif
ret = -host_to_target_errno(posix_fadvise(arg1,
target_offset64(arg2, arg3),
target_offset64(arg4, arg5),
--
2.9.3
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