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sparc32: drop unused code in process_32 

It is commented out using #ifdef 0 / #endif,
and has been so for a long time.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sam Ravnborg 2012-05-12 22:40:45 +02:00 committed by David S. Miller
parent 62875cff73
commit c78896f00d
1 changed files with 0 additions and 82 deletions
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82
arch/sparc/kernel/process_32.c
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@ -145,88 +145,6 @@ void machine_power_off(void)
machine_halt(); machine_halt();
} }
#if 0
static DEFINE_SPINLOCK(sparc_backtrace_lock);
void __show_backtrace(unsigned long fp)
{
struct reg_window32 *rw;
unsigned long flags;
int cpu = smp_processor_id();
spin_lock_irqsave(&sparc_backtrace_lock, flags);
rw = (struct reg_window32 *)fp;
while(rw && (((unsigned long) rw) >= PAGE_OFFSET) &&
!(((unsigned long) rw) & 0x7)) {
printk("CPU[%d]: ARGS[%08lx,%08lx,%08lx,%08lx,%08lx,%08lx] "
"FP[%08lx] CALLER[%08lx]: ", cpu,
rw->ins[0], rw->ins[1], rw->ins[2], rw->ins[3],
rw->ins[4], rw->ins[5],
rw->ins[6],
rw->ins[7]);
printk("%pS\n", (void *) rw->ins[7]);
rw = (struct reg_window32 *) rw->ins[6];
}
spin_unlock_irqrestore(&sparc_backtrace_lock, flags);
}
#define __SAVE __asm__ __volatile__("save %sp, -0x40, %sp\n\t")
#define __RESTORE __asm__ __volatile__("restore %g0, %g0, %g0\n\t")
#define __GET_FP(fp) __asm__ __volatile__("mov %%i6, %0" : "=r" (fp))
void show_backtrace(void)
{
unsigned long fp;
__SAVE; __SAVE; __SAVE; __SAVE;
__SAVE; __SAVE; __SAVE; __SAVE;
__RESTORE; __RESTORE; __RESTORE; __RESTORE;
__RESTORE; __RESTORE; __RESTORE; __RESTORE;
__GET_FP(fp);
__show_backtrace(fp);
}
#ifdef CONFIG_SMP
void smp_show_backtrace_all_cpus(void)
{
xc0((smpfunc_t) show_backtrace);
show_backtrace();
}
#endif
void show_stackframe(struct sparc_stackf *sf)
{
unsigned long size;
unsigned long *stk;
int i;
printk("l0: %08lx l1: %08lx l2: %08lx l3: %08lx "
"l4: %08lx l5: %08lx l6: %08lx l7: %08lx\n",
sf->locals[0], sf->locals[1], sf->locals[2], sf->locals[3],
sf->locals[4], sf->locals[5], sf->locals[6], sf->locals[7]);
printk("i0: %08lx i1: %08lx i2: %08lx i3: %08lx "
"i4: %08lx i5: %08lx fp: %08lx i7: %08lx\n",
sf->ins[0], sf->ins[1], sf->ins[2], sf->ins[3],
sf->ins[4], sf->ins[5], (unsigned long)sf->fp, sf->callers_pc);
printk("sp: %08lx x0: %08lx x1: %08lx x2: %08lx "
"x3: %08lx x4: %08lx x5: %08lx xx: %08lx\n",
(unsigned long)sf->structptr, sf->xargs[0], sf->xargs[1],
sf->xargs[2], sf->xargs[3], sf->xargs[4], sf->xargs[5],
sf->xxargs[0]);
size = ((unsigned long)sf->fp) - ((unsigned long)sf);
size -= STACKFRAME_SZ;
stk = (unsigned long *)((unsigned long)sf + STACKFRAME_SZ);
i = 0;
do {
printk("s%d: %08lx\n", i++, *stk++);
} while ((size -= sizeof(unsigned long)));
}
#endif
void show_regs(struct pt_regs *r) void show_regs(struct pt_regs *r)
{ {
struct reg_window32 *rw = (struct reg_window32 *) r->u_regs[14]; struct reg_window32 *rw = (struct reg_window32 *) r->u_regs[14];