C++ (Cpp) patch_vdso64示例

示例#1

文件： vma.c 项目： cloudlinuxadmin/cl7-kernel

static int __init init_vdso(void)
{
	int npages = (vdso_end - vdso_start + PAGE_SIZE - 1) / PAGE_SIZE;
	int i;

	patch_vdso64(vdso_start, vdso_end - vdso_start);

	vdso_size = npages << PAGE_SHIFT;
	for (i = 0; i < npages; i++)
		vdso_pages[i] = virt_to_page(vdso_start + i*PAGE_SIZE);

#ifdef CONFIG_X86_X32_ABI
	patch_vdsox32(vdsox32_start, vdsox32_end - vdsox32_start);
	npages = (vdsox32_end - vdsox32_start + PAGE_SIZE - 1) / PAGE_SIZE;
	vdsox32_size = npages << PAGE_SHIFT;
	for (i = 0; i < npages; i++)
		vdsox32_pages[i] = virt_to_page(vdsox32_start + i*PAGE_SIZE);
#endif

	init_uts_ns.vdso.addr		= vdso_start;
	init_uts_ns.vdso.pages		= vdso_pages;
	init_uts_ns.vdso.nr_pages	= npages;
	init_uts_ns.vdso.size		= vdso_size;
	init_uts_ns.vdso.version_off	= (unsigned long)VDSO64_SYMBOL(0, linux_version_code);

	return 0;
}

示例#2

文件： vma.c 项目： 0xroot/Blackphone-BP1-Kernel

static int __init init_vdso(void)
{
	int npages = (vdso_end - vdso_start + PAGE_SIZE - 1) / PAGE_SIZE;
	int i;

	patch_vdso64(vdso_start, vdso_end - vdso_start);

	vdso_size = npages << PAGE_SHIFT;
	for (i = 0; i < npages; i++)
		vdso_pages[i] = virt_to_page(vdso_start + i*PAGE_SIZE);

#ifdef CONFIG_X86_X32_ABI
	patch_vdsox32(vdsox32_start, vdsox32_end - vdsox32_start);
	npages = (vdsox32_end - vdsox32_start + PAGE_SIZE - 1) / PAGE_SIZE;
	vdsox32_size = npages << PAGE_SHIFT;
	for (i = 0; i < npages; i++)
		vdsox32_pages[i] = virt_to_page(vdsox32_start + i*PAGE_SIZE);
#endif

	return 0;
}