[deliverable/linux.git] / arch / arm / kernel / jump_label.c

#include <linux/kernel.h>
#include <linux/jump_label.h>
#include <asm/patch.h>
#include <asm/insn.h>

#ifdef HAVE_JUMP_LABEL

static void __arch_jump_label_transform(struct jump_entry *entry,
					enum jump_label_type type,
					bool is_static)
{
	void *addr = (void *)entry->code;
	unsigned int insn;

	if (type == JUMP_LABEL_JMP)
		insn = arm_gen_branch(entry->code, entry->target);
	else
		insn = arm_gen_nop();

	if (is_static)
		__patch_text_early(addr, insn);
	else
		patch_text(addr, insn);
}

void arch_jump_label_transform(struct jump_entry *entry,
			       enum jump_label_type type)
{
	__arch_jump_label_transform(entry, type, false);
}

void arch_jump_label_transform_static(struct jump_entry *entry,
				      enum jump_label_type type)
{
	__arch_jump_label_transform(entry, type, true);
}

#endif
Commit	Line	Data
09f05d85 RV	1	#include <linux/kernel.h>
09f05d85 RV	2	#include <linux/jump_label.h>
fca08f32	3	#include <asm/patch.h>
0dc016db	4	#include <asm/insn.h>
09f05d85 RV	5
	6	#ifdef HAVE_JUMP_LABEL
	7
	8	static void __arch_jump_label_transform(struct jump_entry *entry,
	9	enum jump_label_type type,
	10	bool is_static)
	11	{
	12	void addr = (void )entry->code;
	13	unsigned int insn;
	14
76b235c6	15	if (type == JUMP_LABEL_JMP)
09f05d85 RV	16	insn = arm_gen_branch(entry->code, entry->target);
	17	else
	18	insn = arm_gen_nop();
	19
	20	if (is_static)
ab0615e2	21	__patch_text_early(addr, insn);
09f05d85 RV	22	else
	23	patch_text(addr, insn);
	24	}
	25
	26	void arch_jump_label_transform(struct jump_entry *entry,
	27	enum jump_label_type type)
	28	{
	29	__arch_jump_label_transform(entry, type, false);
	30	}
	31
	32	void arch_jump_label_transform_static(struct jump_entry *entry,
	33	enum jump_label_type type)
	34	{
	35	__arch_jump_label_transform(entry, type, true);
	36	}
	37
	38	#endif