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Blackfin arch: remove dump_thread()
The only user is the a.out support. It was therefore removed prior to the blackfin merge from all architectures not supporting a.out. Currently, Blackfin doesn't suppport a.out. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Bryan Wu <bryan.wu@analog.com>
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@ -39,7 +39,6 @@
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EXPORT_SYMBOL(__ioremap);
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EXPORT_SYMBOL(strcmp);
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EXPORT_SYMBOL(strncmp);
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EXPORT_SYMBOL(dump_thread);
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EXPORT_SYMBOL(ip_fast_csum);
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@ -238,51 +238,6 @@ copy_thread(int nr, unsigned long clone_flags,
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return 0;
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}
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/*
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* fill in the user structure for a core dump..
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*/
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void dump_thread(struct pt_regs *regs, struct user *dump)
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{
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dump->magic = CMAGIC;
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dump->start_code = 0;
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dump->start_stack = rdusp() & ~(PAGE_SIZE - 1);
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dump->u_tsize = ((unsigned long)current->mm->end_code) >> PAGE_SHIFT;
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dump->u_dsize = ((unsigned long)(current->mm->brk +
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(PAGE_SIZE - 1))) >> PAGE_SHIFT;
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dump->u_dsize -= dump->u_tsize;
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dump->u_ssize = 0;
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if (dump->start_stack < TASK_SIZE)
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dump->u_ssize =
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((unsigned long)(TASK_SIZE -
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dump->start_stack)) >> PAGE_SHIFT;
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dump->u_ar0 = (struct user_regs_struct *)((int)&dump->regs - (int)dump);
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dump->regs.r0 = regs->r0;
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dump->regs.r1 = regs->r1;
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dump->regs.r2 = regs->r2;
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dump->regs.r3 = regs->r3;
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dump->regs.r4 = regs->r4;
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dump->regs.r5 = regs->r5;
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dump->regs.r6 = regs->r6;
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dump->regs.r7 = regs->r7;
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dump->regs.p0 = regs->p0;
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dump->regs.p1 = regs->p1;
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dump->regs.p2 = regs->p2;
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dump->regs.p3 = regs->p3;
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dump->regs.p4 = regs->p4;
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dump->regs.p5 = regs->p5;
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dump->regs.orig_p0 = regs->orig_p0;
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dump->regs.a0w = regs->a0w;
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dump->regs.a1w = regs->a1w;
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dump->regs.a0x = regs->a0x;
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dump->regs.a1x = regs->a1x;
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dump->regs.rets = regs->rets;
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dump->regs.astat = regs->astat;
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dump->regs.pc = regs->pc;
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}
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/*
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* sys_execve() executes a new program.
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*/
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@ -50,7 +50,6 @@ extern unsigned long get_sclk(void);
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extern unsigned long sclk_to_usecs(unsigned long sclk);
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extern unsigned long usecs_to_sclk(unsigned long usecs);
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extern void dump_thread(struct pt_regs *regs, struct user *dump);
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extern void dump_bfin_regs(struct pt_regs *fp, void *retaddr);
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extern void dump_bfin_trace_buffer(void);
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