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3e8e25761a
Add uretprobe syscall test that compares register values before and after the uretprobe is hit. It also compares the register values seen from attached bpf program. Link: https://lore.kernel.org/all/20240611112158.40795-6-jolsa@kernel.org/ Acked-by: Andrii Nakryiko <andrii@kernel.org> Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
15 lines
320 B
C
15 lines
320 B
C
// SPDX-License-Identifier: GPL-2.0
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#include "vmlinux.h"
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#include <bpf/bpf_helpers.h>
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#include <string.h>
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struct pt_regs regs;
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char _license[] SEC("license") = "GPL";
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SEC("uretprobe//proc/self/exe:uretprobe_regs_trigger")
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int uretprobe(struct pt_regs *ctx)
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{
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__builtin_memcpy(®s, ctx, sizeof(regs));
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return 0;
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}
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