This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / include / asm-ia64 / tracehook.h

diff --git a/include/asm-ia64/tracehook.h b/include/asm-ia64/tracehook.h
new file mode 100644 (file)
index 0000000..ffea943
--- /dev/null
+++ b/include/asm-ia64/tracehook.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C)2006 Intel Co
+ *     Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
+ *     and Bibo Mao <bibo.mao@intel.com> adapted from i386.
+ *
+ *     Tracing hooks, ia64 CPU support
+ */
+
+#ifndef _ASM_TRACEHOOK_H
+#define _ASM_TRACEHOOK_H       1
+
+#include <linux/sched.h>
+#include <asm/ptrace.h>
+
+/*
+ * See linux/tracehook.h for the descriptions of what these need to do.
+ */
+
+#define ARCH_HAS_SINGLE_STEP   (1)
+#define ARCH_HAS_BLOCK_STEP    (1)
+
+static inline void tracehook_enable_single_step(struct task_struct *tsk)
+{
+       struct pt_regs *pt = task_pt_regs(tsk);
+       ia64_psr(pt)->ss = 1;
+}
+
+static inline void tracehook_disable_single_step(struct task_struct *tsk)
+{
+       struct pt_regs *pt = task_pt_regs(tsk);
+       ia64_psr(pt)->ss = 0;
+}
+
+static inline void tracehook_enable_block_step(struct task_struct *tsk)
+{
+       struct pt_regs *pt = task_pt_regs(tsk);
+       ia64_psr(pt)->tb = 1;
+}
+
+static inline void tracehook_disable_block_step(struct task_struct *tsk)
+{
+       struct pt_regs *pt = task_pt_regs(tsk);
+       ia64_psr(pt)->tb = 0;
+}
+
+static inline void tracehook_enable_syscall_trace(struct task_struct *tsk)
+{
+       set_tsk_thread_flag(tsk, TIF_SYSCALL_TRACE);
+}
+
+static inline void tracehook_disable_syscall_trace(struct task_struct *tsk)
+{
+       clear_tsk_thread_flag(tsk, TIF_SYSCALL_TRACE);
+}
+
+static inline int tracehook_single_step_enabled(struct task_struct *tsk)
+{
+       struct pt_regs *pt = task_pt_regs(tsk);
+       return ia64_psr(pt)->ss;
+}
+
+static inline void tracehook_abort_syscall(struct pt_regs *regs)
+{
+       regs->r15 = -1L;
+}
+
+extern const struct utrace_regset_view utrace_ia64_native;
+static inline const struct utrace_regset_view *
+utrace_native_view(struct task_struct *tsk)
+{
+#if 0 //CONFIG_IA32_SUPPORT
+       extern const struct utrace_regset_view utrace_ia32_view;
+
+       struct pt_regs *pt = task_pt_regs(tsk);
+       if (pt->cr_ipsr & IA64_PSR_IS)
+               return &utrace_ia32_view;
+#endif
+       return &utrace_ia64_native;
+}
+
+#endif