| # Copyright 2014 The Bazel Authors. All rights reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| def emit_asm(ctx, go_toolchain, source, hdrs, out_obj): |
| """Construct the command line for compiling Go Assembly code. |
| Constructs a symlink tree to accomodate for workspace name. |
| Args: |
| ctx: The skylark Context. |
| source: a source code artifact |
| hdrs: list of .h files that may be included |
| out_obj: the artifact (configured target?) that should be produced |
| """ |
| includes = depset() |
| includes += [f.dirname for f in hdrs] |
| includes += [f.dirname for f in go_toolchain.data.headers.cc.transitive_headers] |
| inputs = hdrs + list(go_toolchain.data.headers.cc.transitive_headers) + go_toolchain.data.tools + [source] |
| asm_args = [go_toolchain.tools.go.path, source.path, "--", "-o", out_obj.path] |
| for inc in includes: |
| asm_args += ["-I", inc] |
| ctx.action( |
| inputs = list(inputs), |
| outputs = [out_obj], |
| mnemonic = "GoAsmCompile", |
| executable = go_toolchain.tools.asm, |
| arguments = asm_args, |
| env = go_toolchain.env, |
| ) |