powerpc: merge ucontext.h

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>

1 files changed, 40 insertions, 0 deletions

diff --git a/include/asm-powerpc/ucontext.h b/include/asm-powerpc/ucontext.h
new file mode 100644
index 000000000000..d9a4ddf0cc86
--- /dev/null
+++ b/include/asm-powerpc/ucontext.h
@@ -0,0 +1,40 @@
+#ifndef _ASM_POWERPC_UCONTEXT_H
+#define _ASM_POWERPC_UCONTEXT_H
+
+#ifdef __powerpc64__
+#include <asm/sigcontext.h>
+#else
+#include <asm/elf.h>
+#endif
+#include <asm/signal.h>
+
+#ifndef __powerpc64__
+struct mcontext {
+        elf_gregset_t   mc_gregs;
+        elf_fpregset_t  mc_fregs;
+        unsigned long   mc_pad[2];
+        elf_vrregset_t  mc_vregs __attribute__((__aligned__(16)));
+};
+#endif
+
+struct ucontext {
+        unsigned long   uc_flags;
+        struct ucontext __user *uc_link;
+        stack_t         uc_stack;
+#ifndef __powerpc64__
+        int             uc_pad[7];
+        struct mcontext __user *uc_regs;/* points to uc_mcontext field */
+#endif
+        sigset_t        uc_sigmask;
+        /* glibc has 1024-bit signal masks, ours are 64-bit */
+#ifdef __powerpc64__
+        sigset_t        __unused[15];   /* Allow for uc_sigmask growth */
+        struct sigcontext uc_mcontext;  /* last for extensibility */
+#else
+        int             uc_maskext[30];
+        int             uc_pad2[3];
+        struct mcontext uc_mcontext;
+#endif
+};
+
+#endif /* _ASM_POWERPC_UCONTEXT_H */