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忽略 AArch32 的 syscall,因为不支持。 #45

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merged 1 commit into from
Mar 2, 2024
Merged

忽略 AArch32 的 syscall,因为不支持。 #45

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14 changes: 14 additions & 0 deletions src/syscall.c
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Original file line number Diff line number Diff line change
Expand Up @@ -60,6 +60,20 @@ int tracepoint__sched__sched_process_fork(struct bpf_raw_tracepoint_args *ctx)

SEC("raw_tracepoint/sys_enter")
int raw_syscalls_sys_enter(struct bpf_raw_tracepoint_args* ctx) {

struct task_struct *task = NULL;
task = (struct task_struct *)bpf_get_current_task();
if (!task)
return 0;
u64 flags = BPF_CORE_READ(task, thread_info.flags);
if (flags == NULL || flags == 0)
{
return 0;
}
bool is32 = (flags >> 22) & 1 != 0;
if (is32)
return 0;

program_data_t p = {};
if (!init_program_data(&p, ctx))
return 0;
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