From 7cc3a28eed7e3b72a1ce4568fb55154bb0540726 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Thu, 11 Aug 2016 18:36:46 -0400 Subject: 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. --- arch/sh/syscall_arch.h | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/sh') diff --git a/arch/sh/syscall_arch.h b/arch/sh/syscall_arch.h index f63675a8..84758fe0 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 -- cgit v1.2.1