6.60.12 BPF Built-in Functions ¶
The following built-in functions are available for eBPF targets.
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Built-in Function:
unsignedlonglong __builtin_bpf_load_byte (unsigned long long offset)¶ Load a byte from the
struct sk_buffpacket data pointed by the register%r6and return it.
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Built-in Function:
unsignedlonglong __builtin_bpf_load_half (unsigned long long offset)¶ Load 16-bits from the
struct sk_buffpacket data pointed by the register%r6and return it.
-
Built-in Function:
unsignedlonglong __builtin_bpf_load_word (unsigned long long offset)¶ Load 32-bits from the
struct sk_buffpacket data pointed by the register%r6and return it.
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Licensed under the GNU Free Documentation License, Version 1.3.
https://gcc.gnu.org/onlinedocs/gcc-10.5.0/gcc/BPF-Built-in-Functions.html
