sh: ptrace: Introduce user_regset interface for gp regs.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

2 files changed, 16 insertions, 1 deletions

diff --git a/arch/sh/include/asm/elf.h b/arch/sh/include/asm/elf.h
index f01449a8d378..455d9e1e1438 100644
--- a/arch/sh/include/asm/elf.h
+++ b/arch/sh/include/asm/elf.h
@@ -108,6 +108,15 @@ typedef struct user_fpu_struct elf_fpregset_t;
 #define elf_check_fdpic(x)              ((x)->e_flags & EF_SH_FDPIC)
 #define elf_check_const_displacement(x) ((x)->e_flags & EF_SH_PIC)
 
+#if defined(CONFIG_SUPERH32) && \
+        (!defined(CONFIG_SH_FPU) && !defined(CONFIG_SH_DSP))
+/*
+ * Enable dump using regset for general purpose registers, use this as
+ * the default once the FPU and DSP registers are moved over also.
+ */
+#define CORE_DUMP_USE_REGSET
+#endif
+
 #define USE_ELF_CORE_DUMP
 #define ELF_FDPIC_CORE_EFLAGS   EF_SH_FDPIC
 #define ELF_EXEC_PAGESIZE       PAGE_SIZE
diff --git a/arch/sh/include/asm/ptrace.h b/arch/sh/include/asm/ptrace.h
index b86aeabba61a..bf73646e2d2b 100644
--- a/arch/sh/include/asm/ptrace.h
+++ b/arch/sh/include/asm/ptrace.h
@@ -87,12 +87,18 @@ struct pt_dspregs {
         unsigned long   mod;
 };
 
+#define PTRACE_GETREGS          12      /* General registers */
+#define PTRACE_SETREGS          13
+
+#define PTRACE_GETFPREGS        14      /* FPU registers */
+#define PTRACE_SETFPREGS        15
+
 #define PTRACE_GETFDPIC         31      /* get the ELF fdpic loadmap address */
 
 #define PTRACE_GETFDPIC_EXEC    0       /* [addr] request the executable loadmap */
 #define PTRACE_GETFDPIC_INTERP  1       /* [addr] request the interpreter loadmap */
 
-#define PTRACE_GETDSPREGS       55
+#define PTRACE_GETDSPREGS       55      /* DSP registers */
 #define PTRACE_SETDSPREGS       56
 #endif