diff options
| -rw-r--r-- | linux-user/syscall.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 4894919433..638b455e3e 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -9340,6 +9340,44 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = -host_to_target_errno(ret); break; #endif + +#if TARGET_ABI_BITS == 32 + +#ifdef TARGET_NR_fadvise64_64 + case TARGET_NR_fadvise64_64: + /* 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 */ + arg2 = arg3; + arg3 = arg4; + arg4 = arg5; + arg5 = arg6; + arg6 = arg7; + } + ret = -host_to_target_errno(posix_fadvise(arg1, + target_offset64(arg2, arg3), + target_offset64(arg4, arg5), + arg6)); + break; +#endif + +#ifdef TARGET_NR_fadvise64 + case TARGET_NR_fadvise64: + /* 5 args: fd, offset (high, low), len, advice */ + if (regpairs_aligned(cpu_env)) { + /* offset is in (3,4), len in 5 and advice in 6 */ + arg2 = arg3; + arg3 = arg4; + arg4 = arg5; + arg5 = arg6; + } + ret = -host_to_target_errno(posix_fadvise(arg1, + target_offset64(arg2, arg3), + arg4, arg5)); + break; +#endif + +#else /* not a 32-bit ABI */ #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_fadvise64) #ifdef TARGET_NR_fadvise64_64 case TARGET_NR_fadvise64_64: @@ -9359,6 +9397,8 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1, ret = -posix_fadvise(arg1, arg2, arg3, arg4); break; #endif +#endif /* end of 64-bit ABI fadvise handling */ + #ifdef TARGET_NR_madvise case TARGET_NR_madvise: /* A straight passthrough may not be safe because qemu sometimes |