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-rw-r--r--arch/ia64/kdb/kdb_bt.c104
1 files changed, 0 insertions, 104 deletions
diff --git a/arch/ia64/kdb/kdb_bt.c b/arch/ia64/kdb/kdb_bt.c
deleted file mode 100644
index dbcb7a575..000000000
--- a/arch/ia64/kdb/kdb_bt.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/**
- * Minimalist Kernel Debugger
- * Machine dependent stack traceback code for IA-64.
- *
- * Copyright (C) 1999 Goutham Rao <goutham.rao@intel.com>
- * Copyright (C) 1999 Sreenivas Subramoney <sreenivas.subramoney@intel.com>
- * Intel Corporation, August 1999.
- * Copyright (C) 1999 Hewlett-Packard Co
- * Copyright (C) 1999 David Mosberger-Tang <davidm@hpl.hp.com>
- *
- * 99/12/03 D. Mosberger Reimplemented based on <asm-ia64/unwind.h> API.
- * 99/12/06 D. Mosberger Added support for backtracing other processes.
- */
-
-#include <linux/ctype.h>
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/kdb.h>
-#include <asm/system.h>
-#include <asm/current.h>
-#include <asm/kdbsupport.h>
-
-/*
- * Minimal stack back trace functionality.
- */
-int
-kdb_bt (int argc, const char **argv, const char **envp, struct pt_regs *regs)
-{
- struct task_struct *task = current;
- struct ia64_frame_info info;
- char *name;
- int diag;
-
- if (strcmp(argv[0], "btp") == 0) {
- unsigned long pid;
-
- diag = kdbgetularg(argv[1], &pid);
- if (diag)
- return diag;
-
- task = find_task_by_pid(pid);
- if (!task) {
- kdb_printf("No process with pid == %d found\n", pid);
- return 0;
- }
- regs = ia64_task_regs(task);
- } else if (argc) {
- kdb_printf("bt <address> is unsupported for IA-64\n");
- return 0;
- }
-
- if (task == current) {
- /*
- * Upon entering kdb, the stack frame looks like this:
- *
- * +---------------------+
- * | struct pt_regs |
- * +---------------------+
- * | |
- * | kernel stack |
- * | |
- * +=====================+ <--- top of stack upon entering kdb
- * | struct pt_regs |
- * +---------------------+
- * | struct switch_stack |
- * +---------------------+
- */
- if (user_mode(regs)) {
- /* We are not implementing stack backtrace from user mode code */
- kdb_printf ("Not in Kernel\n");
- return 0;
- }
- ia64_unwind_init_from_current(&info, regs);
- } else {
- /*
- * For a blocked task, the stack frame looks like this:
- *
- * +---------------------+
- * | struct pt_regs |
- * +---------------------+
- * | |
- * | kernel stack |
- * | |
- * +---------------------+
- * | struct switch_stack |
- * +=====================+ <--- task->thread.ksp
- */
- ia64_unwind_init_from_blocked_task(&info, task);
- }
-
- kdb_printf("Ret Address Reg Stack base Name\n\n") ;
- do {
- unsigned long ip = ia64_unwind_get_ip(&info);
-
- name = kdbnearsym(ip);
- if (!name) {
- kdb_printf("Interrupt\n");
- return 0;
- }
- kdb_printf("0x%016lx: [0x%016lx] %s\n", ip, ia64_unwind_get_bsp(&info), name);
- } while (ia64_unwind_to_previous_frame(&info) >= 0);
- return 0;
-}