varun-r-mallya/python-bpf
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add a failing C test

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varun-r-mallya
2025-11-21 23:01:08 +05:30
parent 11850d16d3
commit 99321c7669
2 changed files with 19 additions and 0 deletions
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1
pythonbpf/type_deducer.py
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@ -16,6 +16,7 @@ mapping = {
"c_long": ir.IntType(64),
"c_ulong": ir.IntType(64),
"c_longlong": ir.IntType(64),
"c_uint": ir.IntType(32),
# Not so sure about this one
"str": ir.PointerType(ir.IntType(8)),
}

18
tests/c-form/requests2.bpf.c Normal file
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@ -0,0 +1,18 @@
#include "vmlinux.h"
#include <bpf/bpf_helpers.h>
#include <bpf/bpf_tracing.h>
#include <bpf/bpf_core_read.h>
char LICENSE[] SEC("license") = "GPL";
SEC("kprobe/blk_mq_start_request")
int example(struct pt_regs *ctx)
{
u64 a = ctx->r15;
struct request *req = (struct request *)(ctx->di);
unsigned int something_ns = req->timeout;
unsigned int data_len = req->__data_len;
bpf_printk("data length %lld %ld %ld\n", data_len, something_ns, a);
return 0;
}