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Commit e7e0a4b5 authored by Paul Mundt's avatar Paul Mundt
Browse files

sh: Share the ELF dump_task interfaces. 



Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent a7aa92d1

arch/sh/kernel/Makefile_32

+1 −0
Original line number Diff line number Diff line
@@ -21,5 +21,6 @@ obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o 
obj-$(CONFIG_CRASH_DUMP)	+= crash_dump.o

obj-$(CONFIG_PM)		+= pm.o

obj-$(CONFIG_STACKTRACE)	+= stacktrace.o

obj-$(CONFIG_BINFMT_ELF)	+= dump_task.o



EXTRA_CFLAGS += -Werror

arch/sh/kernel/Makefile_64

+1 −0
Original line number Diff line number Diff line
@@ -17,5 +17,6 @@ obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o 
obj-$(CONFIG_CRASH_DUMP)	+= crash_dump.o

obj-$(CONFIG_PM)		+= pm.o

obj-$(CONFIG_STACKTRACE)	+= stacktrace.o

obj-$(CONFIG_BINFMT_ELF)	+= dump_task.o



EXTRA_CFLAGS += -Werror

arch/sh/kernel/dump_task.c

0 → 100644
+31 −0
Original line number Diff line number Diff line 
#include <linux/elfcore.h>

#include <linux/sched.h>



/*

 * Capture the user space registers if the task is not running (in user space)

 */

int dump_task_regs(struct task_struct *tsk, elf_gregset_t *regs)

{

	struct pt_regs ptregs;



	ptregs = *task_pt_regs(tsk);

	elf_core_copy_regs(regs, &ptregs);



	return 1;

}



int dump_task_fpu(struct task_struct *tsk, elf_fpregset_t *fpu)

{

	int fpvalid = 0;



#if defined(CONFIG_SH_FPU)

	fpvalid = !!tsk_used_math(tsk);

	if (fpvalid) {

		unlazy_fpu(tsk, task_pt_regs(tsk));

		memcpy(fpu, &tsk->thread.fpu.hard, sizeof(*fpu));

	}

#endif



	return fpvalid;

}

arch/sh/kernel/process_32.c

+0 −28
Original line number Diff line number Diff line
@@ -230,34 +230,6 @@ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu) 
	return fpvalid;

}



/*

 * Capture the user space registers if the task is not running (in user space)

 */

int dump_task_regs(struct task_struct *tsk, elf_gregset_t *regs)

{

	struct pt_regs ptregs;



	ptregs = *task_pt_regs(tsk);

	elf_core_copy_regs(regs, &ptregs);



	return 1;

}



int dump_task_fpu(struct task_struct *tsk, elf_fpregset_t *fpu)

{

	int fpvalid = 0;



#if defined(CONFIG_SH_FPU)

	fpvalid = !!tsk_used_math(tsk);

	if (fpvalid) {

		unlazy_fpu(tsk, task_pt_regs(tsk));

		memcpy(fpu, &tsk->thread.fpu.hard, sizeof(*fpu));

	}

#endif



	return fpvalid;

}



asmlinkage void ret_from_fork(void);



int copy_thread(int nr, unsigned long clone_flags, unsigned long usp,