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[patch] userspace mcontext_t doesn't match what kernel returns

Subject: [patch] userspace mcontext_t doesn't match what kernel returns
From: Ryan Murray <>
Date: Tue, 10 Sep 2002 20:28:32 -0700
Original-recipient: rfc822;
User-agent: Mutt/1.4i

The definition of mcontext_t in sysdeps/unix/sysv/linux/mips/sys/ucontext.h
does not match what the kernel copies to userspace (struct sigcontext).
alpha, ia64, and hppa have fixed this by typedefing one to the other in
sys/ucontext.h  The following patch accomplishes the same thing for mips.

Ryan Murray, Debian Developer (,
The opinions expressed here are my own.

--- sysdeps/unix/sysv/linux/mips/sys/ucontext.h 2002-09-10 20:16:52.000000000 
+++ sysdeps/unix/sysv/linux/mips/sys/ucontext.h 2002-09-10 20:17:24.000000000 
@@ -61,11 +61,7 @@
 /* Context to describe whole processor state.  */
-typedef struct
-  {
-    gregset_t gregs;
-    fpregset_t fpregs;
-  } mcontext_t;
+typedef struct sigcontext mcontext_t;
 /* Userlevel context.  */
 typedef struct ucontext

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