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| author | Waldemar Brodkorb <wbx@openadk.org> | 2015-02-20 12:24:26 -0600 |
|---|---|---|
| committer | Waldemar Brodkorb <wbx@openadk.org> | 2015-02-20 12:24:26 -0600 |
| commit | d4389d613cc49f776fffe5ee0f9af854e9a93074 (patch) | |
| tree | acb65e19f6482e2599e31003c9a811154580a23c /libc/sysdeps/linux/common/posix_fadvise64.c | |
| parent | 42e9e0a0406473a9b017342eaffc03c85f9bb51b (diff) | |
| parent | 409f14d9b5e47513d5c939120a33965997c8ceb2 (diff) | |
sync with uClibc
Diffstat (limited to 'libc/sysdeps/linux/common/posix_fadvise64.c')
| -rw-r--r-- | libc/sysdeps/linux/common/posix_fadvise64.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/libc/sysdeps/linux/common/posix_fadvise64.c b/libc/sysdeps/linux/common/posix_fadvise64.c index 5d8989121..37fb269ca 100644 --- a/libc/sysdeps/linux/common/posix_fadvise64.c +++ b/libc/sysdeps/linux/common/posix_fadvise64.c @@ -24,9 +24,18 @@ int posix_fadvise64(int fd, off64_t offset, off64_t len, int advice) { INTERNAL_SYSCALL_DECL (err); /* ARM has always been funky. */ -# if defined(__UCLIBC_SYSCALL_ALIGN_64BIT__) || defined(__arm__) +#if defined (__arm__) || \ + (defined(__UCLIBC_SYSCALL_ALIGN_64BIT__) && (defined(__powerpc__) || defined(__xtensa__))) + /* arch with 64-bit data in even reg alignment #1: [powerpc/xtensa] + * custom syscall handler (rearranges @advice to avoid register hole punch) */ int ret = INTERNAL_SYSCALL (fadvise64_64, err, 6, fd, advice, OFF64_HI_LO (offset), OFF64_HI_LO (len)); +#elif defined(__UCLIBC_SYSCALL_ALIGN_64BIT__) + /* arch with 64-bit data in even reg alignment #2: [arcv2/others-in-future] + * stock syscall handler in kernel (reg hole punched) */ + int ret = INTERNAL_SYSCALL (fadvise64_64, err, 7, fd, 0, + OFF64_HI_LO (offset), OFF64_HI_LO (len), + advice); # else int ret = INTERNAL_SYSCALL (fadvise64_64, err, 6, fd, OFF64_HI_LO (offset), OFF64_HI_LO (len), |