Support gcc host wrapper.

This change adds support for the gcc host wrapper.
The implementation is verified via comparing to the old
gcc host wrapper in the golden tests.

BUG=chromium:773875
TEST=unit test

Change-Id: I3af98b81dba6d9299183db01e967003be860972c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/toolchain-utils/+/1710537
Tested-by: Tobias Bosch <tbosch@google.com>
Reviewed-by: George Burgess <gbiv@chromium.org>

1 files changed, 365 insertions, 0 deletions

diff --git a/compiler_wrapper/testdata/cros_gcc_host_golden.json b/compiler_wrapper/testdata/cros_gcc_host_golden.json
new file mode 100644
index 00000000..b7b79e04
--- /dev/null
+++ b/compiler_wrapper/testdata/cros_gcc_host_golden.json
@@ -0,0 +1,365 @@
+[
+  {
+    "name": "gcc path",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "./x86_64-cros-linux-gnu-gcc.real",
+              "args": [
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "main.cc"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          },
+          "stdout": "somemessage",
+          "stderr": "someerror",
+          "exitcode": 1
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "./x86_64-cros-linux-gnu-gcc.real",
+              "args": [
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "main.cc"
+              ]
+            },
+            "stdout": "somemessage",
+            "stderr": "someerror",
+            "exitcode": 1
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "gcc [main.cc] target specific",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "./x86_64-cros-linux-gnu-gcc.real",
+              "args": [
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "main.cc"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-eabi-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "./x86_64-cros-linux-eabi-gcc.real",
+              "args": [
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "main.cc"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-win-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "./x86_64-cros-win-gnu-gcc.real",
+              "args": [
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "main.cc"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv7m-cros-linux-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "./armv7m-cros-linux-gnu-gcc.real",
+              "args": [
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "main.cc"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv7m-cros-linux-eabi-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "./armv7m-cros-linux-eabi-gcc.real",
+              "args": [
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "main.cc"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv7m-cros-win-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "./armv7m-cros-win-gnu-gcc.real",
+              "args": [
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "main.cc"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv8m-cros-linux-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "./armv8m-cros-linux-gnu-gcc.real",
+              "args": [
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "main.cc"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv8m-cros-linux-eabi-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "./armv8m-cros-linux-eabi-gcc.real",
+              "args": [
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "main.cc"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./armv8m-cros-win-gnu-gcc",
+            "args": [
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "./armv8m-cros-win-gnu-gcc.real",
+              "args": [
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "main.cc"
+              ]
+            }
+          }
+        ]
+      }
+    ]
+  },
+  {
+    "name": "gcc specific args",
+    "records": [
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-march=goldmont",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "./x86_64-cros-linux-gnu-gcc.real",
+              "args": [
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-march=goldmont",
+                "main.cc"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-march=goldmont-plus",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "./x86_64-cros-linux-gnu-gcc.real",
+              "args": [
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-march=goldmont-plus",
+                "main.cc"
+              ]
+            }
+          }
+        ]
+      },
+      {
+        "wd": "/tmp/stable",
+        "wrapper": {
+          "cmd": {
+            "path": "./x86_64-cros-linux-gnu-gcc",
+            "args": [
+              "-march=skylake",
+              "main.cc"
+            ]
+          }
+        },
+        "cmds": [
+          {
+            "cmd": {
+              "path": "./x86_64-cros-linux-gnu-gcc.real",
+              "args": [
+                "-Wno-maybe-uninitialized",
+                "-Wno-unused-local-typedefs",
+                "-Wno-deprecated-declarations",
+                "-march=skylake",
+                "main.cc"
+              ]
+            }
+          }
+        ]
+      }
+    ]
+  }
+]