Commit 6cb53d7a authored by Shaohua Li's avatar Shaohua Li Committed by Tony Luck
Browse files

[IA64] use CORE_DUMP_USE_REGSET 



After we have regset support, we can use CORE_DUMP_USE_REGSET.

Signed-off-by: default avatarShaohua Li <shaohua.li@intel.com>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 75529219

arch/ia64/kernel/process.c

+0 −30
Original line number Diff line number Diff line
@@ -625,42 +625,12 @@ do_dump_fpu (struct unw_frame_info *info, void *arg) 
	do_dump_task_fpu(current, info, arg);

}



int

dump_task_regs(struct task_struct *task, elf_gregset_t *regs)

{

	struct unw_frame_info tcore_info;



	if (current == task) {

		unw_init_running(do_copy_regs, regs);

	} else {

		memset(&tcore_info, 0, sizeof(tcore_info));

		unw_init_from_blocked_task(&tcore_info, task);

		do_copy_task_regs(task, &tcore_info, regs);

	}

	return 1;

}



void

ia64_elf_core_copy_regs (struct pt_regs *pt, elf_gregset_t dst)

{

	unw_init_running(do_copy_regs, dst);

}



int

dump_task_fpu (struct task_struct *task, elf_fpregset_t *dst)

{

	struct unw_frame_info tcore_info;



	if (current == task) {

		unw_init_running(do_dump_fpu, dst);

	} else {

		memset(&tcore_info, 0, sizeof(tcore_info));

		unw_init_from_blocked_task(&tcore_info, task);

		do_dump_task_fpu(task, &tcore_info, dst);

	}

	return 1;

}



int

dump_fpu (struct pt_regs *pt, elf_fpregset_t dst)

{

include/asm-ia64/elf.h

+1 −6
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ 
#define ELF_ARCH	EM_IA_64



#define USE_ELF_CORE_DUMP

#define CORE_DUMP_USE_REGSET



/* Least-significant four bits of ELF header's e_flags are OS-specific.  The bits are

   interpreted as follows by Linux: */
@@ -207,12 +208,6 @@ extern void ia64_elf_core_copy_regs (struct pt_regs *src, elf_gregset_t dst); 


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_gregs) dump_task_regs(tsk, elf_gregs)

#define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)



#define GATE_EHDR	((const struct elfhdr *) GATE_ADDR)



/* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */