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-rw-r--r--arch/sparc/include/asm/ptrace_64.h347
1 files changed, 347 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/ptrace_64.h b/arch/sparc/include/asm/ptrace_64.h
new file mode 100644
index 00000000000..ec6d45c84cd
--- /dev/null
+++ b/arch/sparc/include/asm/ptrace_64.h
@@ -0,0 +1,347 @@
+#ifndef _SPARC64_PTRACE_H
+#define _SPARC64_PTRACE_H
+
+#include <asm/pstate.h>
+
+/* This struct defines the way the registers are stored on the
+ * stack during a system call and basically all traps.
+ */
+
+/* This magic value must have the low 9 bits clear,
+ * as that is where we encode the %tt value, see below.
+ */
+#define PT_REGS_MAGIC 0x57ac6c00
+
+#ifndef __ASSEMBLY__
+
+#include <linux/types.h>
+
+struct pt_regs {
+ unsigned long u_regs[16]; /* globals and ins */
+ unsigned long tstate;
+ unsigned long tpc;
+ unsigned long tnpc;
+ unsigned int y;
+
+ /* We encode a magic number, PT_REGS_MAGIC, along
+ * with the %tt (trap type) register value at trap
+ * entry time. The magic number allows us to identify
+ * accurately a trap stack frame in the stack
+ * unwinder, and the %tt value allows us to test
+ * things like "in a system call" etc. for an arbitray
+ * process.
+ *
+ * The PT_REGS_MAGIC is choosen such that it can be
+ * loaded completely using just a sethi instruction.
+ */
+ unsigned int magic;
+};
+
+static inline int pt_regs_trap_type(struct pt_regs *regs)
+{
+ return regs->magic & 0x1ff;
+}
+
+static inline bool pt_regs_is_syscall(struct pt_regs *regs)
+{
+ return (regs->tstate & TSTATE_SYSCALL);
+}
+
+static inline bool pt_regs_clear_syscall(struct pt_regs *regs)
+{
+ return (regs->tstate &= ~TSTATE_SYSCALL);
+}
+
+struct pt_regs32 {
+ unsigned int psr;
+ unsigned int pc;
+ unsigned int npc;
+ unsigned int y;
+ unsigned int u_regs[16]; /* globals and ins */
+};
+
+#define UREG_G0 0
+#define UREG_G1 1
+#define UREG_G2 2
+#define UREG_G3 3
+#define UREG_G4 4
+#define UREG_G5 5
+#define UREG_G6 6
+#define UREG_G7 7
+#define UREG_I0 8
+#define UREG_I1 9
+#define UREG_I2 10
+#define UREG_I3 11
+#define UREG_I4 12
+#define UREG_I5 13
+#define UREG_I6 14
+#define UREG_I7 15
+#define UREG_FP UREG_I6
+#define UREG_RETPC UREG_I7
+
+/* A V9 register window */
+struct reg_window {
+ unsigned long locals[8];
+ unsigned long ins[8];
+};
+
+/* A 32-bit register window. */
+struct reg_window32 {
+ unsigned int locals[8];
+ unsigned int ins[8];
+};
+
+/* A V9 Sparc stack frame */
+struct sparc_stackf {
+ unsigned long locals[8];
+ unsigned long ins[6];
+ struct sparc_stackf *fp;
+ unsigned long callers_pc;
+ char *structptr;
+ unsigned long xargs[6];
+ unsigned long xxargs[1];
+};
+
+/* A 32-bit Sparc stack frame */
+struct sparc_stackf32 {
+ unsigned int locals[8];
+ unsigned int ins[6];
+ unsigned int fp;
+ unsigned int callers_pc;
+ unsigned int structptr;
+ unsigned int xargs[6];
+ unsigned int xxargs[1];
+};
+
+struct sparc_trapf {
+ unsigned long locals[8];
+ unsigned long ins[8];
+ unsigned long _unused;
+ struct pt_regs *regs;
+};
+
+#define TRACEREG_SZ sizeof(struct pt_regs)
+#define STACKFRAME_SZ sizeof(struct sparc_stackf)
+
+#define TRACEREG32_SZ sizeof(struct pt_regs32)
+#define STACKFRAME32_SZ sizeof(struct sparc_stackf32)
+
+#ifdef __KERNEL__
+
+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;
+};
+
+#define __ARCH_WANT_COMPAT_SYS_PTRACE
+
+#define force_successful_syscall_return() \
+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 *);
+#else
+#define profile_pc(regs) instruction_pointer(regs)
+#endif
+extern void show_regs(struct pt_regs *);
+extern void __show_regs(struct pt_regs *);
+#endif
+
+#else /* __ASSEMBLY__ */
+/* For assembly code. */
+#define TRACEREG_SZ 0xa0
+#define STACKFRAME_SZ 0xc0
+
+#define TRACEREG32_SZ 0x50
+#define STACKFRAME32_SZ 0x60
+#endif
+
+#ifdef __KERNEL__
+#define STACK_BIAS 2047
+#endif
+
+/* These are for pt_regs. */
+#define PT_V9_G0 0x00
+#define PT_V9_G1 0x08
+#define PT_V9_G2 0x10
+#define PT_V9_G3 0x18
+#define PT_V9_G4 0x20
+#define PT_V9_G5 0x28
+#define PT_V9_G6 0x30
+#define PT_V9_G7 0x38
+#define PT_V9_I0 0x40
+#define PT_V9_I1 0x48
+#define PT_V9_I2 0x50
+#define PT_V9_I3 0x58
+#define PT_V9_I4 0x60
+#define PT_V9_I5 0x68
+#define PT_V9_I6 0x70
+#define PT_V9_FP PT_V9_I6
+#define PT_V9_I7 0x78
+#define PT_V9_TSTATE 0x80
+#define PT_V9_TPC 0x88
+#define PT_V9_TNPC 0x90
+#define PT_V9_Y 0x98
+#define PT_V9_MAGIC 0x9c
+#define PT_TSTATE PT_V9_TSTATE
+#define PT_TPC PT_V9_TPC
+#define PT_TNPC PT_V9_TNPC
+
+/* These for pt_regs32. */
+#define PT_PSR 0x0
+#define PT_PC 0x4
+#define PT_NPC 0x8
+#define PT_Y 0xc
+#define PT_G0 0x10
+#define PT_WIM PT_G0
+#define PT_G1 0x14
+#define PT_G2 0x18
+#define PT_G3 0x1c
+#define PT_G4 0x20
+#define PT_G5 0x24
+#define PT_G6 0x28
+#define PT_G7 0x2c
+#define PT_I0 0x30
+#define PT_I1 0x34
+#define PT_I2 0x38
+#define PT_I3 0x3c
+#define PT_I4 0x40
+#define PT_I5 0x44
+#define PT_I6 0x48
+#define PT_FP PT_I6
+#define PT_I7 0x4c
+
+/* Reg_window offsets */
+#define RW_V9_L0 0x00
+#define RW_V9_L1 0x08
+#define RW_V9_L2 0x10
+#define RW_V9_L3 0x18
+#define RW_V9_L4 0x20
+#define RW_V9_L5 0x28
+#define RW_V9_L6 0x30
+#define RW_V9_L7 0x38
+#define RW_V9_I0 0x40
+#define RW_V9_I1 0x48
+#define RW_V9_I2 0x50
+#define RW_V9_I3 0x58
+#define RW_V9_I4 0x60
+#define RW_V9_I5 0x68
+#define RW_V9_I6 0x70
+#define RW_V9_I7 0x78
+
+#define RW_L0 0x00
+#define RW_L1 0x04
+#define RW_L2 0x08
+#define RW_L3 0x0c
+#define RW_L4 0x10
+#define RW_L5 0x14
+#define RW_L6 0x18
+#define RW_L7 0x1c
+#define RW_I0 0x20
+#define RW_I1 0x24
+#define RW_I2 0x28
+#define RW_I3 0x2c
+#define RW_I4 0x30
+#define RW_I5 0x34
+#define RW_I6 0x38
+#define RW_I7 0x3c
+
+/* Stack_frame offsets */
+#define SF_V9_L0 0x00
+#define SF_V9_L1 0x08
+#define SF_V9_L2 0x10
+#define SF_V9_L3 0x18
+#define SF_V9_L4 0x20
+#define SF_V9_L5 0x28
+#define SF_V9_L6 0x30
+#define SF_V9_L7 0x38
+#define SF_V9_I0 0x40
+#define SF_V9_I1 0x48
+#define SF_V9_I2 0x50
+#define SF_V9_I3 0x58
+#define SF_V9_I4 0x60
+#define SF_V9_I5 0x68
+#define SF_V9_FP 0x70
+#define SF_V9_PC 0x78
+#define SF_V9_RETP 0x80
+#define SF_V9_XARG0 0x88
+#define SF_V9_XARG1 0x90
+#define SF_V9_XARG2 0x98
+#define SF_V9_XARG3 0xa0
+#define SF_V9_XARG4 0xa8
+#define SF_V9_XARG5 0xb0
+#define SF_V9_XXARG 0xb8
+
+#define SF_L0 0x00
+#define SF_L1 0x04
+#define SF_L2 0x08
+#define SF_L3 0x0c
+#define SF_L4 0x10
+#define SF_L5 0x14
+#define SF_L6 0x18
+#define SF_L7 0x1c
+#define SF_I0 0x20
+#define SF_I1 0x24
+#define SF_I2 0x28
+#define SF_I3 0x2c
+#define SF_I4 0x30
+#define SF_I5 0x34
+#define SF_FP 0x38
+#define SF_PC 0x3c
+#define SF_RETP 0x40
+#define SF_XARG0 0x44
+#define SF_XARG1 0x48
+#define SF_XARG2 0x4c
+#define SF_XARG3 0x50
+#define SF_XARG4 0x54
+#define SF_XARG5 0x58
+#define SF_XXARG 0x5c
+
+#ifdef __KERNEL__
+
+/* 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
+
+#endif /* __KERNEL__ */
+
+/* Stuff for the ptrace system call */
+#define PTRACE_SPARC_DETACH 11
+#define PTRACE_GETREGS 12
+#define PTRACE_SETREGS 13
+#define PTRACE_GETFPREGS 14
+#define PTRACE_SETFPREGS 15
+#define PTRACE_READDATA 16
+#define PTRACE_WRITEDATA 17
+#define PTRACE_READTEXT 18
+#define PTRACE_WRITETEXT 19
+#define PTRACE_GETFPAREGS 20
+#define PTRACE_SETFPAREGS 21
+
+/* There are for debugging 64-bit processes, either from a 32 or 64 bit
+ * parent. Thus their complements are for debugging 32-bit processes only.
+ */
+
+#define PTRACE_GETREGS64 22
+#define PTRACE_SETREGS64 23
+/* PTRACE_SYSCALL is 24 */
+#define PTRACE_GETFPREGS64 25
+#define PTRACE_SETFPREGS64 26
+
+#endif /* !(_SPARC64_PTRACE_H) */