Gcc/10.2.0/gcc/BPF-Built 002din-Functions
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6.60.12 BPF Built-in Functions
The following built-in functions are available for eBPF targets.
- Built-in Function
- unsigned long long __builtin_bpf_load_byte (unsigned long long
offset) - Load a byte from the
struct sk_buffpacket data pointed by the register%r6and return it.
- Built-in Function
- unsigned long long __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
- unsigned long long __builtin_bpf_load_word (unsigned long long
offset) - Load 32-bits from the
struct sk_buffpacket data pointed by the register%r6and return it.
