From e7e0a4b54a7f225f770d313f9e042f83ece57a35 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Tue, 20 Nov 2007 15:48:39 +0900 Subject: sh: Share the ELF dump_task interfaces. Signed-off-by: Paul Mundt diff --git a/arch/sh/kernel/Makefile_32 b/arch/sh/kernel/Makefile_32 index 5c7fa59..17216f5 100644 --- a/arch/sh/kernel/Makefile_32 +++ b/arch/sh/kernel/Makefile_32 @@ -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-$(CONFIG_BINFMT_ELF) += dump_task.o EXTRA_CFLAGS += -Werror diff --git a/arch/sh/kernel/Makefile_64 b/arch/sh/kernel/Makefile_64 index 585b6a1..1211e86 100644 --- a/arch/sh/kernel/Makefile_64 +++ b/arch/sh/kernel/Makefile_64 @@ -17,5 +17,6 @@ obj-$(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 diff --git a/arch/sh/kernel/dump_task.c b/arch/sh/kernel/dump_task.c new file mode 100644 index 0000000..4a8a408 --- /dev/null +++ b/arch/sh/kernel/dump_task.c @@ -0,0 +1,31 @@ +#include +#include + +/* + * 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; +} + diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c index 6d7f2b0..c9291f4 100644 --- a/arch/sh/kernel/process_32.c +++ b/arch/sh/kernel/process_32.c @@ -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, -- cgit v0.10.2