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linux-user: fix fadvise64_64() on ppc 

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 <laurent@vivier.eu>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
This commit is contained in:
Laurent Vivier 2017-03-02 01:11:45 +01:00 committed by Riku Voipio
parent 562a20b4ef
commit 43046b5a07
1 changed files with 10 additions and 0 deletions
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10
linux-user/syscall.c
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@ -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),