[Qemu-devel] [PATCH] Fix pread() and pwrite() syscall on ARM EABI

[Kirill A. Shutemov]

pread() and pwrite() have differences with arguments on ARM EABI and
OABI.

Please, see arch/arm/kernel/entry-common.S in Linux kernel source for
additional information.

Signed-off-by: Kirill A. Shutemov <address@hidden>
---
 linux-user/syscall.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index ba7cde1..88b44b8 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -5047,12 +5047,24 @@ abi_long do_syscall(void *cpu_env, int num, abi_long 
arg1,
 #endif
 #ifdef TARGET_NR_pread
     case TARGET_NR_pread:
+#ifdef TARGET_ARM
+        if (((CPUARMState *)cpu_env)->eabi)
+        {
+            arg4 = arg5;
+        }
+#endif
         if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
             goto efault;
         ret = get_errno(pread(arg1, p, arg3, arg4));
         unlock_user(p, arg2, ret);
         break;
     case TARGET_NR_pwrite:
+#ifdef TARGET_ARM
+        if (((CPUARMState *)cpu_env)->eabi)
+        {
+            arg4 = arg5;
+        }
+#endif
         if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
             goto efault;
         ret = get_errno(pwrite(arg1, p, arg3, arg4));
-- 
1.5.6.5.GIT