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sh: Tidy up ELF core dumps.

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These have been using overrides for ELF_CORE_COPY_TASK_REGS and
ELF_CORE_COPY_FPREGS while the generic versions can be used instead.
Presently the pt_regs are also duplicated across elf_core_copy_regs()
and elf_core_copy_task_regs(), this switches to simply copying out
through elf_core_copy_regs() instead.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2008-09-12 23:27:46 +09:00
parent 72461997c3
commit 0e660d2d43
4 changed files with 0 additions and 40 deletions
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6
arch/sh/include/asm/elf.h
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@ -198,12 +198,6 @@ do { \
#endif
#define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX_32BIT)
struct task_struct;
extern int dump_task_regs (struct task_struct *, elf_gregset_t *);
extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *);
#define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs)
#define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)
#ifdef CONFIG_VSYSCALL
/* vDSO has arch_setup_additional_pages */

1
arch/sh/kernel/Makefile_32
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@ -21,7 +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-$(CONFIG_ELF_CORE) += dump_task.o
obj-$(CONFIG_IO_TRAPPED) += io_trapped.o
obj-$(CONFIG_KPROBES) += kprobes.o

1
arch/sh/kernel/Makefile_64
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@ -17,7 +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-$(CONFIG_BINFMT_ELF) += dump_task.o
obj-$(CONFIG_IO_TRAPPED) += io_trapped.o
EXTRA_CFLAGS += -Werror

32
arch/sh/kernel/dump_task.c
View file

@ -1,32 +0,0 @@
#include <linux/elfcore.h>
#include <linux/sched.h>
#include <asm/fpu.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;
}