1FUNCTION::KERNEL_BUF(3staSpt)ring and data retrieving fFuUnNCTION::KERNEL_BUF(3stap)
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6 function::kernel_buffer_quoted - Retrieves and quotes buffer from
7 kernel space
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10 1) kernel_buffer_quoted:string(addr:long,inlen:long)
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12 2) kernel_buffer_quoted:string(addr:long,inlen:long,outlen:long)
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15 addr
16 the kernel space address to retrieve the buffer from
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18 inlen
19 the exact length of the buffer to read
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21 outlen
22 the maximum length of the output string
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25 1) Reads inlen characters of a buffer from the given kernel space
26 memory address, and returns up to MAXSTRINGLEN characters, where any
27 ASCII characters that are not printable are replaced by the
28 corresponding escape sequence in the returned string. Note that the
29 string will be surrounded by double quotes. On the rare cases when
30 kernel space data is not accessible at the given address, the address
31 itself is returned as a string, without double quotes.
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33 2) Reads inlen characters of a buffer from the given kernel space
34 memory address, and returns up to outlen characters, where any ASCII
35 characters that are not printable are replaced by the corresponding
36 escape sequence in the returned string. Note that the string will be
37 surrounded by double quotes. On the rare cases when kernel space data
38 is not accessible at the given address, the address itself is returned
39 as a string, without double quotes.
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42 tapset::conversions(3stap)
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46SystemTap Tapset Reference May 2022 FUNCTION::KERNEL_BUF(3stap)