From 24946289317ea23bb0d1814cca0a499a905f7d6f Mon Sep 17 00:00:00 2001
From: Alexey Brodkin <abrodkin@synopsys.com>
Date: Thu, 26 Mar 2015 14:25:37 +0530
Subject: ARC: don't hard-code ELF_NGREG

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
[updated changelog]

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
---
 libc/sysdeps/linux/arc/sys/procfs.h | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/libc/sysdeps/linux/arc/sys/procfs.h b/libc/sysdeps/linux/arc/sys/procfs.h
index a9e375b33..a47430340 100755
--- a/libc/sysdeps/linux/arc/sys/procfs.h
+++ b/libc/sysdeps/linux/arc/sys/procfs.h
@@ -20,17 +20,14 @@
 #include <sys/time.h>
 #include <sys/types.h>
 #include <sys/user.h>
+#include <asm/ptrace.h>
 
 __BEGIN_DECLS
 
 /* Type for a general-purpose register.  */
 typedef unsigned long elf_greg_t;
 
-/* And the whole bunch of them.  We could have used `struct
-   user_regs' directly in the typedef, but tradition says that
-   the register set is an array, which does have some peculiar
-   semantics, so leave it that way.  */
-#define ELF_NGREG 40
+#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
 typedef struct { } elf_fpregset_t;
 
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