Function report |
Source Code:kernel\kcov.c |
Create Date:2022-07-28 11:33:50 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:kcov_mmap
Proto:static int kcov_mmap(struct file *filep, struct vm_area_struct *vma)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct file * | filep | |
struct vm_area_struct * | vma |
444 | res = 0 |
446 | kcov = private_data |
450 | area = vmalloc_user(The first byte after our end addresswithin vm_mm. - Our start address within vm_mm. ) |
455 | size = Size of arena (in long's). * sizeof(unsignedlong) |
456 | If mode != KCOV_MODE_INIT || Offset (within vm_file) in PAGE_SIZEunits != 0 || The first byte after our end addresswithin vm_mm. - Our start address within vm_mm. != size Then |
461 | If Not Coverage buffer shared with user space. Then |
470 | Return 0 |
472 | exit : |
475 | Return res |
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