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authorIngo Molnar <mingo@kernel.org>2015-03-23 11:13:15 +0100
committerIngo Molnar <mingo@kernel.org>2015-03-23 11:13:15 +0100
commite4518ab90f63cd5bea3ddc15341162debc34442b (patch)
treefcefaeced9562de840bbf11ec2ffc95e1d9a571f /arch/nios2/include/asm/ptrace.h
parentc56716af8d27ca8dd6e45445ae1c0a05fd9753a6 (diff)
parentbc465aa9d045feb0e13b4a8f32cc33c1943f62d6 (diff)
Merge tag 'v4.0-rc5' into x86/asm, to resolve conflicts
Conflicts: arch/x86/kernel/entry_64.S Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/nios2/include/asm/ptrace.h')
-rw-r--r--arch/nios2/include/asm/ptrace.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/nios2/include/asm/ptrace.h b/arch/nios2/include/asm/ptrace.h
index 20fb1cf2dab6..642462144872 100644
--- a/arch/nios2/include/asm/ptrace.h
+++ b/arch/nios2/include/asm/ptrace.h
@@ -15,7 +15,54 @@
#include <uapi/asm/ptrace.h>
+/* This struct defines the way the registers are stored on the
+ stack during a system call. */
+
#ifndef __ASSEMBLY__
+struct pt_regs {
+ unsigned long r8; /* r8-r15 Caller-saved GP registers */
+ unsigned long r9;
+ unsigned long r10;
+ unsigned long r11;
+ unsigned long r12;
+ unsigned long r13;
+ unsigned long r14;
+ unsigned long r15;
+ unsigned long r1; /* Assembler temporary */
+ unsigned long r2; /* Retval LS 32bits */
+ unsigned long r3; /* Retval MS 32bits */
+ unsigned long r4; /* r4-r7 Register arguments */
+ unsigned long r5;
+ unsigned long r6;
+ unsigned long r7;
+ unsigned long orig_r2; /* Copy of r2 ?? */
+ unsigned long ra; /* Return address */
+ unsigned long fp; /* Frame pointer */
+ unsigned long sp; /* Stack pointer */
+ unsigned long gp; /* Global pointer */
+ unsigned long estatus;
+ unsigned long ea; /* Exception return address (pc) */
+ unsigned long orig_r7;
+};
+
+/*
+ * This is the extended stack used by signal handlers and the context
+ * switcher: it's pushed after the normal "struct pt_regs".
+ */
+struct switch_stack {
+ unsigned long r16; /* r16-r23 Callee-saved GP registers */
+ unsigned long r17;
+ unsigned long r18;
+ unsigned long r19;
+ unsigned long r20;
+ unsigned long r21;
+ unsigned long r22;
+ unsigned long r23;
+ unsigned long fp;
+ unsigned long gp;
+ unsigned long ra;
+};
+
#define user_mode(regs) (((regs)->estatus & ESTATUS_EU))
#define instruction_pointer(regs) ((regs)->ra)