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sh: Share the ELF dump_task interfaces.

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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2007-11-20 15:48:39 +09:00
parent a7aa92d1b4
commit e7e0a4b54a
4 changed files with 33 additions and 28 deletions
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1
arch/sh/kernel/Makefile_32
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@ -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

1
arch/sh/kernel/Makefile_64
View file

@ -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

31
arch/sh/kernel/dump_task.c Normal file
View file

@ -0,0 +1,31 @@
#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;
}

28
arch/sh/kernel/process_32.c
View file

@ -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,