From: Mark Wielaard <mjw@redhat.com>
Date: Thu, 20 Oct 2011 11:00:27 +0000 (+0200)
Subject: Remove unused runtime/stack-ppc.c.
X-Git-Tag: release-1.7~151^2~62
X-Git-Url: https://sourceware.org/git/?a=commitdiff_plain;h=f943c2ed810b30b6c50941990e91a97774eb49d9;p=systemtap.git

Remove unused runtime/stack-ppc.c.
---

diff --git a/runtime/stack-ppc.c b/runtime/stack-ppc.c
deleted file mode 100644
index d9819bba2..000000000
--- a/runtime/stack-ppc.c
+++ /dev/null
@@ -1,76 +0,0 @@
-/* -*- linux-c -*-
- * ppc64 stack tracing functions
- *
- * This file is part of systemtap, and is free software.  You can
- * redistribute it and/or modify it under the terms of the GNU General
- * Public License (GPL); either version 2, or (at your option) any
- * later version.
- */
-
-static void __stp_stack_print (struct pt_regs *regs, int verbose, int levels,
-			       struct task_struct *tsk,
-			       struct unwind_context *uwcontext,
-			       struct uretprobe_instance *ri, int uregs_valid)
-{
-	unsigned long ip, newsp, lr = 0;
-	int firstframe = 1;
-	unsigned long *_sp = (unsigned long *)&REG_SP(regs);	
-	unsigned long sp = (unsigned long)_sp;
-	lr = 0;
-	do {
-		if (sp < KERNELBASE)
-			return;
-		_sp = (unsigned long *) sp;
-		newsp = _sp[0];
-#ifndef STACK_FRAME_LR_SAVE /* from arch/powerpc/include/asm/ptrace.h */
-#ifdef __powerpc64__
-#define STACK_FRAME_OVERHEAD    112     /* size of minimum stack frame */
-#define STACK_FRAME_LR_SAVE     2       /* Location of LR in stack frame */
-#define STACK_FRAME_REGS_MARKER ASM_CONST(0x7265677368657265)
-#define STACK_INT_FRAME_SIZE    (sizeof(struct pt_regs) + STACK_FRAME_OVERHEAD + 288)
-#define STACK_FRAME_MARKER      12
-#define __SIGNAL_FRAMESIZE      128
-#define __SIGNAL_FRAMESIZE32    64
-#else /* __powerpc64__ */
-#define STACK_FRAME_OVERHEAD    16      /* size of minimum stack frame */
-#define STACK_FRAME_LR_SAVE     1       /* Location of LR in stack frame */
-#define STACK_FRAME_REGS_MARKER ASM_CONST(0x72656773)
-#define STACK_INT_FRAME_SIZE    (sizeof(struct pt_regs) + STACK_FRAME_OVERHEAD)
-#define STACK_FRAME_MARKER      2
-#define __SIGNAL_FRAMESIZE      64
-#endif
-#endif
-		ip = _sp[STACK_FRAME_LR_SAVE];
-		if (!firstframe || ip != lr) {
-			if (verbose)
-				_stp_printf("[0x%016lx] [0x%016lx]", sp, ip);
-			_stp_print_addr(ip,
-					(firstframe
-					 ? (verbose | _STP_SYM_INEXACT)
-					 : verbose), tsk);
-		}
-		firstframe = 0;
-		/*
-		 * See if this is an exception frame.
-		 * We look for the "regshere" marker in the current frame.
-		 */
-		if (_sp[STACK_FRAME_MARKER] == STACK_FRAME_REGS_MARKER) {
-			struct pt_regs *regs = (struct pt_regs *)
-				(sp + STACK_FRAME_OVERHEAD);
-			if (verbose) {
-				_stp_printf("--- Exception: %lx at ",regs->trap);
-				_stp_print_addr(regs->nip, verbose, tsk);
-				lr = regs->link;
-				_stp_print("    LR =");
-				_stp_print_addr(lr, verbose, tsk);
-				firstframe = 1;
-			}
-			else {
-				_stp_printf("0x%016lx ",regs->nip);
-				_stp_printf("0x%016lx ",regs->link);
-			}
-		}
-
-		sp = newsp;
-	} while (--levels);
-}
diff --git a/runtime/stack.c b/runtime/stack.c
index e802f061f..0431eefe9 100644
--- a/runtime/stack.c
+++ b/runtime/stack.c
@@ -63,8 +63,6 @@ static void _stp_stack_print_fallback(unsigned long, int, int, int);
 
 #if defined (__ia64__)
 #include "stack-ia64.c"
-#elif defined (__powerpc__)
-#include "stack-ppc.c"
 #elif defined (__arm__)
 #include "stack-arm.c"
 #elif defined (__s390__) || defined (__s390x__)