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| author | Paul Mundt <lethal@linux-sh.org> | 2007-11-20 07:48:39 +0100 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2008-01-28 05:18:49 +0100 |
| commit | e7e0a4b54a7f225f770d313f9e042f83ece57a35 (patch) | |
| tree | 1aab00ea2f20226cf905d28970c3e6a629b21198 /arch | |
| parent | sh: Kill off SH-5 enter_deep_standby() cruft. (diff) | |
| download | linux-e7e0a4b54a7f225f770d313f9e042f83ece57a35.tar.xz linux-e7e0a4b54a7f225f770d313f9e042f83ece57a35.zip | |
sh: Share the ELF dump_task interfaces.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sh/kernel/Makefile_32 | 1 | ||||
| -rw-r--r-- | arch/sh/kernel/Makefile_64 | 1 | ||||
| -rw-r--r-- | arch/sh/kernel/dump_task.c | 31 | ||||
| -rw-r--r-- | arch/sh/kernel/process_32.c | 28 |
4 files changed, 33 insertions, 28 deletions
diff --git a/arch/sh/kernel/Makefile_32 b/arch/sh/kernel/Makefile_32 index 5c7fa594d6d1..17216f5e7c93 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-$(CONFIG_BINFMT_ELF) += dump_task.o EXTRA_CFLAGS += -Werror diff --git a/arch/sh/kernel/Makefile_64 b/arch/sh/kernel/Makefile_64 index 585b6a11d3f6..1211e864ef12 100644 --- a/arch/sh/kernel/Makefile_64 +++ b/arch/sh/kernel/Makefile_64 @@ -17,5 +17,6 @@ obj-$(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 000000000000..4a8a4083ff0b --- /dev/null +++ b/arch/sh/kernel/dump_task.c @@ -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; +} + diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c index 6d7f2b07e491..c9291f462311 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, |