bpf2go: enable ebpf code reuse across go packages #1625
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New -import command line option specifies golang packages to pull headers from. Scan packages for header files, and expose headers to clang. C code consumes headers by providing a go package path in include directive, e.g. frob.c: #include "example.org/foo/foo.h" It is handy for sharing code between multiple ebpf blobs within a project. Even better, it enables sharing ebpf code between multiple projects using go modules as delivery vehicle. "Build" dependencies are recorded in generated files so that "go mod tidy" can see them. Further, we don't check if -import refers to internal packages, but "go build" will. Signed-off-by: Nick Zavaritsky <[email protected]>
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Change to listing packages explicitly on command line with Prior iteration (#1509) pulled them from the "magic" |
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New -import command line option specifies golang packages to pull headers from. Scan packages for header files, and expose headers to clang. C code consumes headers by providing a go package path in include directive, e.g.
frob.c:
#include "example.org/foo/foo.h"
It is handy for sharing code between multiple ebpf blobs within a project. Even better, it enables sharing ebpf code between multiple projects using go modules as delivery vehicle.
"Build" dependencies are recorded in generated files so that "go mod tidy" can see them. Further, we don't check if -import refers to internal packages, but "go build" will.