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Diffstat (limited to 'arch/parisc/include/asm/ptrace.h')
-rw-r--r--arch/parisc/include/asm/ptrace.h18
1 files changed, 16 insertions, 2 deletions
diff --git a/arch/parisc/include/asm/ptrace.h b/arch/parisc/include/asm/ptrace.h
index 2a27b275ab09..143fb2a89dd8 100644
--- a/arch/parisc/include/asm/ptrace.h
+++ b/arch/parisc/include/asm/ptrace.h
@@ -22,13 +22,14 @@ unsigned long profile_pc(struct pt_regs *);
static inline unsigned long regs_return_value(struct pt_regs *regs)
{
- return regs->gr[20];
+ return regs->gr[28];
}
static inline void instruction_pointer_set(struct pt_regs *regs,
unsigned long val)
{
- regs->iaoq[0] = val;
+ regs->iaoq[0] = val;
+ regs->iaoq[1] = val + 4;
}
/* Query offset/name of register from its name/offset */
@@ -36,4 +37,17 @@ extern int regs_query_register_offset(const char *name);
extern const char *regs_query_register_name(unsigned int offset);
#define MAX_REG_OFFSET (offsetof(struct pt_regs, ipsw))
+#define kernel_stack_pointer(regs) ((regs)->gr[30])
+
+static inline unsigned long regs_get_register(struct pt_regs *regs,
+ unsigned int offset)
+{
+ if (unlikely(offset > MAX_REG_OFFSET))
+ return 0;
+ return *(unsigned long *)((unsigned long)regs + offset);
+}
+
+unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs, unsigned int n);
+int regs_within_kernel_stack(struct pt_regs *regs, unsigned long addr);
+
#endif