sparc: Add user_stack_pointer().

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From: Linux Kernel Mailing List
Date: Monday, July 28, 2008 - 10:00 am

Gitweb:     http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ac76cf...
Commit:     ac76cfd0881b5dc45a9301e3a4f73ff9ccc2d2f2
Parent:     95698466cf50b707d8a55af87e4dbec56b1533cb
Author:     David S. Miller <davem@davemloft.net>
AuthorDate: Sun Jul 27 01:59:21 2008 -0700
Committer:  David S. Miller <davem@davemloft.net>
CommitDate: Sun Jul 27 17:32:58 2008 -0700

    sparc: Add user_stack_pointer().
    
    Signed-off-by: David S. Miller <davem@davemloft.net>
---
 arch/sparc/include/asm/ptrace_32.h |    1 +
 arch/sparc/include/asm/ptrace_64.h |    1 +
 2 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/sparc/include/asm/ptrace_32.h b/arch/sparc/include/asm/ptrace_32.h
index 0401cc7..d43c88b 100644
--- a/arch/sparc/include/asm/ptrace_32.h
+++ b/arch/sparc/include/asm/ptrace_32.h
@@ -74,6 +74,7 @@ struct sparc_stackf {
 
 #define user_mode(regs) (!((regs)->psr & PSR_PS))
 #define instruction_pointer(regs) ((regs)->pc)
+#define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP])
 unsigned long profile_pc(struct pt_regs *);
 extern void show_regs(struct pt_regs *);
 #endif
diff --git a/arch/sparc/include/asm/ptrace_64.h b/arch/sparc/include/asm/ptrace_64.h
index a682e66..ec6d45c 100644
--- a/arch/sparc/include/asm/ptrace_64.h
+++ b/arch/sparc/include/asm/ptrace_64.h
@@ -146,6 +146,7 @@ do {	current_thread_info()->syscall_noerror = 1; \
 } while (0)
 #define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV))
 #define instruction_pointer(regs) ((regs)->tpc)
+#define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP])
 #define regs_return_value(regs) ((regs)->u_regs[UREG_I0])
 #ifdef CONFIG_SMP
 extern unsigned long profile_pc(struct pt_regs *);
--

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