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linux-user: Bump do_syscall() up to 8 syscall arguments

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On 32 bit MIPS a few syscalls have 7 arguments, and so to call
them via NR_syscall the guest needs to be able to pass 8 arguments
to do_syscall(). Raise the number of arguments do_syscall() takes
accordingly.

This fixes some gcc 4.6 compiler warnings about arg7 and arg8
variables being set and never used.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
This commit is contained in:
Peter Maydell 2011-06-16 17:37:13 +01:00 • committed by Riku Voipio
parent 3002fa8472
commit 5945cfcb4b
3 changed files with 31 additions and 17 deletions
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8
linux-user/syscall.c
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@ -4532,7 +4532,8 @@ int get_osversion(void)
All errnos that do_syscall() returns must be -TARGET_<errcode>. */
abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
abi_long arg2, abi_long arg3, abi_long arg4,
abi_long arg5, abi_long arg6)
abi_long arg5, abi_long arg6, abi_long arg7,
abi_long arg8)
{
abi_long ret;
struct stat st;
@ -6172,8 +6173,9 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
#endif
#ifdef TARGET_NR_syscall
case TARGET_NR_syscall:
ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
break;
ret = do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5,
arg6, arg7, arg8, 0);
break;
#endif
case TARGET_NR_wait4:
{