Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\bpf\verifier.c Create Date:2022-07-28 12:57:29
Last Modify:2022-05-19 20:02:10 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:save_register_state

Proto:static void save_register_state(struct bpf_func_state *state, int spi, struct bpf_reg_state *reg)

Type:void

Parameter:

TypeParameterName
struct bpf_func_state *state
intspi
struct bpf_reg_state *reg
1941  spilled_ptr = reg
1942  live |= g was written first, screening off later reads
1944  When i < size of eBPF register in bytes cycle slot_type[i] = register spilled into stack
Caller
NameDescribe
check_stack_writeheck_stack_read/write functions track spill/fill of registers,* stack boundary and alignment are checked in check_mem_access()