For arm32 xdp sockets mmap2 is preferred, so use it if it's defined.
Declaration of __NR_mmap can be skipped and it breaks build.
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Acked-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
COMMENT("Linux system call numbers.");
SYSNR(__NR_write);
SYSNR(__NR_read);
+#ifdef __NR_mmap2
+ SYSNR(__NR_mmap2);
+#endif
+#ifdef __NR_mmap
SYSNR(__NR_mmap);
+#endif
+
}
return 0;
}
+#ifdef __NR_mmap2
+PROG(SYS__NR_mmap2)(struct pt_regs *ctx)
+{
+ char fmt[] = "mmap2\n";
+
+ bpf_trace_printk(fmt, sizeof(fmt));
+ return 0;
+}
+#endif
+
+#ifdef __NR_mmap
PROG(SYS__NR_mmap)(struct pt_regs *ctx)
{
char fmt[] = "mmap\n";
+
bpf_trace_printk(fmt, sizeof(fmt));
return 0;
}
+#endif
char _license[] SEC("license") = "GPL";
u32 _version SEC("version") = LINUX_VERSION_CODE;