函数逻辑报告 |
Source Code:fs\exec.c |
Create Date:2022-07-29 10:33:46 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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函数名称:__bprm_mm_init
函数原型:static int __bprm_mm_init(struct linux_binprm *bprm)
返回类型:int
参数:
类型 | 参数 | 名称 |
---|---|---|
struct linux_binprm * | bprm |
245 | struct vm_area_struct * vma = NULL |
248 | vma等于vma等于vm_area_alloc(mm) |
251 | vma_set_anonymous(vma) |
253 | 如果lock for writing则 |
264 | BUILD_BUG_ON - break compile if a condition is true(VM_STACK_FLAGS & Bits set in the VMA until the stack is in its final location ) |
267 | Flags, see mm.h. 等于VM_SOFTDIRTY按位或VM_STACK_FLAGS按位或Bits set in the VMA until the stack is in its final location |
270 | err等于Insert vm structure into process list sorted by address* and into the inode's i_mmap tree. If vm_file is non-NULL* then i_mmap_rwsem is taken here. |
274 | VM_STACK 等于 Total pages mapped 等于1 |
275 | arch_bprm_mm_init(mm, vma) |
278 | 返回:0 |
279 | err : |
281 | err_free : |
282 | vma = NULL |
283 | vm_area_free(vma) |
284 | 返回:err |
名称 | 描述 |
---|---|
bprm_mm_init | Create a new mm_struct and populate it with a temporary stack* vm_area_struct. We don't have enough context at this point to set the stack* flags, permissions, and offset, so we use temporary values. We'll update* them later in setup_arg_pages(). |
源代码转换工具 开放的插件接口 | X |
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