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Etienne PerotandgVisor bot
056a85f39d
This change marks all ABI-related structs with `structs.HostLayout`, which was introduced in Go 1.23: https://pkg.go.dev/[email protected]#HostLayout This is intended to force the Go compiler to preserve the layout of the struct, removing it from the liberty of reordering fields as it sees fit. Adds a check automatically generated by our `go_library` rule wrapper which verifies this recursively for all exported structs in a package. Fixes issue #10693. PiperOrigin-RevId: 860238103
32 lines
1.1 KiB
Python
32 lines
1.1 KiB
Python
"""Defines go_host_layout_struct_test to generate host layout struct tests."""
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def go_host_layout_struct_test(go_test_rule_func, name, srcs, library, **kwargs):
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"""Checks that all structs in the given source file have _ structs.HostLayout as their first field.
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Args:
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go_test_rule_func: the go_test rule function to use.
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name: the name of the test.
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srcs: the source files to check.
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library: the library that the source files belong to.
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**kwargs: standard arguments.
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"""
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gen_file = name + "_generated.go"
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native.genrule(
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name = name + "_gen",
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srcs = srcs + [library],
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outs = [gen_file],
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tools = ["//tools/go_hostlayout:hostlayoutgen"],
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cmd = "$(location //tools/go_hostlayout:hostlayoutgen) -package " + library.replace(":", "/") + " -out $@ " + " ".join(["$(location %s)" % src for src in srcs]) + " -- $(locations " + library + ")",
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)
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go_test_rule_func(
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name = name,
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srcs = [gen_file],
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deps = [
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library,
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"//tools/go_hostlayout/hostlayoutcheck",
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],
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**kwargs
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)
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