函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\read_write.c Create Date:2022-07-29 10:31:28
Last Modify:2020-03-18 10:18:51 Copyright©Brick
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函数名称：COMPAT_SYSCALL_DEFINE5

函数原型：COMPAT_SYSCALL_DEFINE5(pwritev, compat_ulong_t, fd, const struct compat_iovec __user *, vec, compat_ulong_t, vlen, unsigned int, pos_low, unsigned int, pos_high)

返回类型：

参数：无

1362  pos等于pos_high左移32位按位或pos_low
1364  返回:do_compat_pwritev64(fd, vec, vlen, pos, 0)