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[Qemu-devel] [PATCH 13/17] linux-user: Add support for prctl PR_GET_NAME
From: |
riku . voipio |
Subject: |
[Qemu-devel] [PATCH 13/17] linux-user: Add support for prctl PR_GET_NAME and PR_SET_NAME |
Date: |
Fri, 6 Apr 2012 19:35:13 +0300 |
From: Peter Maydell <address@hidden>
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 <address@hidden>
Signed-off-by: Riku Voipio <address@hidden>
---
linux-user/syscall.c | 24 ++++++++++++++++++++++++
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));
--
1.7.5.4
- [Qemu-devel] [PATCH 00/17] linux-user: pending patches, riku . voipio, 2012/04/06
- [Qemu-devel] [PATCH 09/17] linux-user: take RESERVED_VA into account for g2h_valid(), riku . voipio, 2012/04/06
- [Qemu-devel] [PATCH 06/17] linux-user: add BLKSSZGET ioctl wrapper, riku . voipio, 2012/04/06
- [Qemu-devel] [PATCH 14/17] linux-user/arm/syscall_nr.h: Add syscall number for ppoll, riku . voipio, 2012/04/06
- [Qemu-devel] [PATCH 10/17] linux-user: resolve reserved_va vma downwards, riku . voipio, 2012/04/06
- [Qemu-devel] [PATCH 16/17] elf.h: Update EF_ARM_ constants to newer ABI versions, riku . voipio, 2012/04/06
- [Qemu-devel] [PATCH 12/17] linux-user/syscall.c: Fix indentation in prctl handling, riku . voipio, 2012/04/06
- [Qemu-devel] [PATCH 03/17] linux-user: implement device mapper ioctls, riku . voipio, 2012/04/06
- [Qemu-devel] [PATCH 15/17] arm-linux-user: fix elfload.c's AT_HWCAP to reflect cpu features., riku . voipio, 2012/04/06
- [Qemu-devel] [PATCH 13/17] linux-user: Add support for prctl PR_GET_NAME and PR_SET_NAME,
riku . voipio <=
- [Qemu-devel] [PATCH 08/17] linux-user: fix fallocate, riku . voipio, 2012/04/06
- [Qemu-devel] [PATCH 02/17] linux-user: target_argv is placed on ts->bprm->argv and can't be freed(), riku . voipio, 2012/04/06
- [Qemu-devel] [PATCH 05/17] linux-user: fix BLK ioctl arguments, riku . voipio, 2012/04/06
- [Qemu-devel] [PATCH 01/17] linux-user: improve fake /proc/self/stat making `ps` not segfault., riku . voipio, 2012/04/06
- [Qemu-devel] [PATCH 04/17] linux-user: add struct old_dev_t compat, riku . voipio, 2012/04/06
- [Qemu-devel] [PATCH 11/17] linux-user: reserve 4GB of vmem for 32-on-64, riku . voipio, 2012/04/06
- [Qemu-devel] [PATCH 17/17] Userspace ARM BE8 support, riku . voipio, 2012/04/06
- [Qemu-devel] [PATCH 07/17] linux-user: Add ioctl for BLKBSZGET, riku . voipio, 2012/04/06
- Re: [Qemu-devel] [PATCH 00/17] linux-user: pending patches, Blue Swirl, 2012/04/07