sparc64: Add global register dumping facility.

[uclinux-h8/linux.git] / include / asm-sparc64 / ptrace.h

diff --git a/include/asm-sparc64/ptrace.h b/include/asm-sparc64/ptrace.h
index 714b819..d8a56cd 100644 (file)
--- a/include/asm-sparc64/ptrace.h
+++ b/include/asm-sparc64/ptrace.h
@@ -42,16 +42,14 @@ static inline int pt_regs_trap_type(struct pt_regs *regs)
        return regs->magic & 0x1ff;
 }
 
-static inline int pt_regs_clear_trap_type(struct pt_regs *regs)
+static inline bool pt_regs_is_syscall(struct pt_regs *regs)
 {
-       return regs->magic &= ~0x1ff;
+       return (regs->tstate & TSTATE_SYSCALL);
 }
 
-static inline bool pt_regs_is_syscall(struct pt_regs *regs)
+static inline bool pt_regs_clear_syscall(struct pt_regs *regs)
 {
-       int tt = pt_regs_trap_type(regs);
-
-       return (tt == 0x110 || tt == 0x111 || tt == 0x16d);
+       return (regs->tstate &= ~TSTATE_SYSCALL);
 }
 
 struct pt_regs32 {
@@ -128,6 +126,17 @@ struct sparc_trapf {
 #define TRACEREG32_SZ  sizeof(struct pt_regs32)
 #define STACKFRAME32_SZ        sizeof(struct sparc_stackf32)
 
+struct global_reg_snapshot {
+       unsigned long           tstate;
+       unsigned long           tpc;
+       unsigned long           tnpc;
+       unsigned long           o7;
+       unsigned long           i7;
+       struct thread_info      *thread;
+       unsigned long           pad1;
+       unsigned long           pad2;
+};
+
 #ifdef __KERNEL__
 
 #define __ARCH_WANT_COMPAT_SYS_PTRACE
@@ -297,7 +306,18 @@ extern void __show_regs(struct pt_regs *);
 #define SF_XARG5  0x58
 #define SF_XXARG  0x5c
 
+/* global_reg_snapshot offsets */
+#define GR_SNAP_TSTATE 0x00
+#define GR_SNAP_TPC    0x08
+#define GR_SNAP_TNPC   0x10
+#define GR_SNAP_O7     0x18
+#define GR_SNAP_I7     0x20
+#define GR_SNAP_THREAD 0x28
+#define GR_SNAP_PAD1   0x30
+#define GR_SNAP_PAD2   0x38
+
 /* Stuff for the ptrace system call */
+#define PTRACE_SPARC_DETACH       11
 #define PTRACE_GETREGS            12
 #define PTRACE_SETREGS            13
 #define PTRACE_GETFPREGS          14