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Fix pread() and pwrite() syscall on ARM EABI (Kirill Shutemov).

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pread() and pwrite() have differences in arguments between ARM EABI and
OABI.   

See arch/arm/kernel/entry-common.S in Linux kernel source for
additional information.
 
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5272 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
balrog 2008-09-20 03:14:14 +00:00
parent 8fbd6b5267
commit a4ae00bc07
1 changed files with 8 additions and 0 deletions
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8
linux-user/syscall.c
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@ -5139,12 +5139,20 @@ 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));