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author | Rich Felker <dalias@aerifal.cx> | 2016-08-11 18:36:46 -0400 |
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committer | Rich Felker <dalias@aerifal.cx> | 2016-08-11 18:36:46 -0400 |
commit | 7cc3a28eed7e3b72a1ce4568fb55154bb0540726 (patch) | |
tree | e26aaecd58946d49e6648a4788fbb7ddc6c1ef43 /arch/sh | |
parent | 39494a273eaa6b714e0fa0c59ce7a1f5fbc80a1e (diff) | |
download | musl-7cc3a28eed7e3b72a1ce4568fb55154bb0540726.zip musl-7cc3a28eed7e3b72a1ce4568fb55154bb0540726.tar.gz musl-7cc3a28eed7e3b72a1ce4568fb55154bb0540726.tar.bz2 |
fix pread/pwrite syscall calling convention on sh
despite sh not generally using register-pair alignment for 64-bit
syscall arguments, there are arch-specific versions of the syscall
entry points for pread and pwrite which include a dummy argument for
alignment before the 64-bit offset argument.
Diffstat (limited to 'arch/sh')
-rw-r--r-- | arch/sh/syscall_arch.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/sh/syscall_arch.h b/arch/sh/syscall_arch.h index f63675a..84758fe 100644 --- a/arch/sh/syscall_arch.h +++ b/arch/sh/syscall_arch.h @@ -2,6 +2,7 @@ ((union { long long ll; long l[2]; }){ .ll = x }).l[0], \ ((union { long long ll; long l[2]; }){ .ll = x }).l[1] #define __SYSCALL_LL_O(x) __SYSCALL_LL_E((x)) +#define __SYSCALL_LL_PRW(x) 0, __SYSCALL_LL_E((x)) /* The extra OR instructions are to work around a hardware bug: * http://documentation.renesas.com/doc/products/mpumcu/tu/tnsh7456ae.pdf |