Remove nowhere referenced file. (egrep "filename\." didn't find anything)

Signed-off-by: Domen Puncer <domen@coderock.org>

--- c/arch/alpha/lib/stacktrace.c	2004-02-04 04:43:42.000000000 +0100
+++ a/arch/alpha/lib/stacktrace.c	1970-01-01 01:00:00.000000000 +0100
@@ -1,103 +0,0 @@
-#include <linux/kernel.h>
-#include <asm/system.h>
-
-typedef unsigned int instr;
-
-#define MAJOR_OP	0xfc000000
-#define LDA_OP		0x20000000
-#define STQ_OP		0xb4000000
-#define BR_OP		0xc0000000
-
-#define STK_ALLOC_1	0x23de8000 /* lda $30,-X($30) */
-#define STK_ALLOC_1M	0xffff8000
-#define STK_ALLOC_2	0x43c0153e /* subq $30,X,$30 */
-#define STK_ALLOC_2M	0xffe01fff
-
-#define MEM_REG		0x03e00000
-#define MEM_BASE	0x001f0000
-#define MEM_OFF		0x0000ffff
-#define MEM_OFF_SIGN	0x00008000
-#define	BASE_SP		0x001e0000
-
-#define STK_ALLOC_MATCH(INSTR)			\
-  (((INSTR) & STK_ALLOC_1M) == STK_ALLOC_1	\
-   || ((INSTR) & STK_ALLOC_2M) == STK_ALLOC_2)
-#define STK_PUSH_MATCH(INSTR) \
-  (((INSTR) & (MAJOR_OP | MEM_BASE | MEM_OFF_SIGN)) == (STQ_OP | BASE_SP))
-#define MEM_OP_OFFSET(INSTR) \
-  (((long)((INSTR) & MEM_OFF) << 48) >> 48)
-#define MEM_OP_REG(INSTR) \
-  (((INSTR) & MEM_REG) >> 22)
-
-/* Branches, jumps, PAL calls, and illegal opcodes end a basic block. */
-#define BB_END(INSTR)						\
-  (((instr)(INSTR) >= BR_OP) | ((instr)(INSTR) < LDA_OP) |	\
-   ((((instr)(INSTR) ^ 0x60000000) < 0x20000000) &		\
-    (((instr)(INSTR) & 0x0c000000) != 0)))
-
-#define IS_KERNEL_TEXT(PC) ((unsigned long)(PC) > START_ADDR)
-
-static char reg_name[][4] = {
-	"v0 ", "t0 ", "t1 ", "t2 ", "t3 ", "t4 ", "t5 ", "t6 ", "t7 ",
-	"s0 ", "s1 ", "s2 ", "s3 ", "s4 ", "s5 ", "s6 ", "a0 ", "a1 ",
-	"a2 ", "a3 ", "a4 ", "a5 ", "t8 ", "t9 ", "t10", "t11", "ra ",
-	"pv ", "at ", "gp ", "sp ", "0"
-};
-
-
-static instr *
-display_stored_regs(instr * pro_pc, unsigned char * sp)
-{
-	instr * ret_pc = 0;
-	int reg;
-	unsigned long value;
-
-	printk("Prologue [<%p>], Frame %p:\n", pro_pc, sp);
-	while (!BB_END(*pro_pc))
-		if (STK_PUSH_MATCH(*pro_pc)) {
-			reg = (*pro_pc & MEM_REG) >> 21;
-			value = *(unsigned long *)(sp + (*pro_pc & MEM_OFF));
-			if (reg == 26)
-				ret_pc = (instr *)value;
-			printk("\t\t%s / 0x%016lx\n", reg_name[reg], value);
-		}
-	return ret_pc;
-}
-
-static instr *
-seek_prologue(instr * pc)
-{
-	while (!STK_ALLOC_MATCH(*pc))
-		--pc;
-	while (!BB_END(*(pc - 1)))
-		--pc;
-	return pc;
-}
-
-static long
-stack_increment(instr * prologue_pc)
-{
-	while (!STK_ALLOC_MATCH(*prologue_pc))
-		++prologue_pc;
-
-	/* Count the bytes allocated. */
-	if ((*prologue_pc & STK_ALLOC_1M) == STK_ALLOC_1M)
-		return -(((long)(*prologue_pc) << 48) >> 48);
-	else
-		return (*prologue_pc >> 13) & 0xff;
-}
-
-void
-stacktrace(void)
-{
-	instr * ret_pc;
-	instr * prologue = (instr *)stacktrace;
-	register unsigned char * sp __asm__ ("$30");
-
-	printk("\tstack trace:\n");
-	do {
-		ret_pc = display_stored_regs(prologue, sp);
-		sp += stack_increment(prologue);
-		prologue = seek_prologue(ret_pc);
-	} while (IS_KERNEL_TEXT(ret_pc));
-}