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authorSam Ravnborg <sam@ravnborg.org>2012-05-12 22:40:45 +0200
committerDavid S. Miller <davem@davemloft.net>2012-05-12 13:44:22 -0700
commitc78896f00d0d0715c3043af2f3f4d098fc6ab6e4 (patch)
tree3a4e959c6fedb50eb10336f2a86821497ca19ff8 /arch/sparc/kernel
parent62875cff73fbb7c22bdb96e42d2e78cfe8464e06 (diff)
downloadlinux-c78896f00d0d0715c3043af2f3f4d098fc6ab6e4.tar.gz
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>
Diffstat (limited to 'arch/sparc/kernel')
-rw-r--r--arch/sparc/kernel/process_32.c82
1 files changed, 0 insertions, 82 deletions
diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c
index bb23036c322..fe6787cc62f 100644
--- a/arch/sparc/kernel/process_32.c
+++ b/arch/sparc/kernel/process_32.c
@@ -145,88 +145,6 @@ void machine_power_off(void)
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)
{
struct reg_window32 *rw = (struct reg_window32 *) r->u_regs[14];