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authorPeter Maydell <peter.maydell@linaro.org>2012-02-03 14:48:03 +0000
committerRiku Voipio <riku.voipio@linaro.org>2012-04-06 18:49:58 +0300
commitdb9526b10a956fd80c08727685c300b63d5a7465 (patch)
treead5c49d4ec5972b25eb64b12316f678ecaff4f11 /linux-user
parent1e6722f8b0c1eaff305c39d32c07054450ebdad1 (diff)
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linux-user: Add support for prctl PR_GET_NAME and PR_SET_NAME
Add support for the prctl options PR_GET_NAME and PR_SET_NAME, which take or return a name in a 16 byte buffer pointed to by arg2. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Diffstat (limited to 'linux-user')
-rw-r--r--linux-user/syscall.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index ea44f99..8a92162 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -7253,6 +7253,30 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
}
break;
}
+#ifdef PR_GET_NAME
+ case PR_GET_NAME:
+ {
+ void *name = lock_user(VERIFY_WRITE, arg2, 16, 1);
+ if (!name) {
+ goto efault;
+ }
+ ret = get_errno(prctl(arg1, (unsigned long)name,
+ arg3, arg4, arg5));
+ unlock_user(name, arg2, 16);
+ break;
+ }
+ case PR_SET_NAME:
+ {
+ void *name = lock_user(VERIFY_READ, arg2, 16, 1);
+ if (!name) {
+ goto efault;
+ }
+ ret = get_errno(prctl(arg1, (unsigned long)name,
+ arg3, arg4, arg5));
+ unlock_user(name, arg2, 0);
+ break;
+ }
+#endif
default:
/* Most prctl options have no pointer arguments */
ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));