| #!/bin/bash |
| # |
| # Copyright (C) 2017 The Android Open Source Project |
| # |
| # 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. |
| |
| # --------------------------------------------------------------------------- |
| |
| # Generates asm_support_gen.h into the $OUT directory in the build. |
| # Then verifies that it is the same as in runtime/generated/asm_support_gen.h |
| |
| # Validates that art/runtime/generated/asm_support_gen.h |
| # - This must be run after a build since it uses cpp-define-generator-data |
| |
| # Path to asm_support_gen.h that we check into our git repository. |
| ASM_SUPPORT_GEN_CHECKED_IN_COPY="runtime/generated/asm_support_gen.h" |
| # Instead of producing an error if checked-in copy differs from the generated version, |
| # overwrite the local checked-in copy instead. |
| OVERWRITE_CHECKED_IN_COPY_IF_CHANGED="n" |
| |
| ####################### |
| ####################### |
| |
| DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )" |
| ART_DIR="$( cd "$DIR/../.." && pwd )" |
| ABS_ASM_SUPPORT_GEN_CHECKED_IN_COPY="$ART_DIR/runtime/generated/asm_support_gen.h" |
| |
| # Sanity check that we haven't moved the file around. |
| # If we did, perhaps the above constant should be updated. |
| if ! [[ -f "$ABS_ASM_SUPPORT_GEN_CHECKED_IN_COPY" ]]; then |
| echo "ERROR: Missing asm_support_gen.h, expected to be in '$ABS_ASM_SUPPORT_GEN_CHECKED_IN_COPY'" >&2 |
| exit 1 |
| fi |
| |
| # The absolute path to cpp-define-generator is in $1 |
| # Generate the file as part of the build into the out location specified by $2. |
| |
| # Compare that the generated file matches our golden copy that's checked into git. |
| # If not, it is a fatal error and the user needs to run 'generate-asm-support' to rebuild. |
| |
| if [[ $# -lt 2 ]]; then |
| echo "Usage: $0 [--quiet] [--presubmit] <path-to-cpp-define-generator-data-binary> <output-file>'" >&2 |
| exit 1 |
| fi |
| |
| # Supress 'chatty' messages during the build. |
| # If anything is printed in a success case then |
| # the main Android build can't reuse the same line for |
| # showing multiple commands being executed. |
| QUIET=false |
| if [[ "$1" == "--quiet" ]]; then |
| QUIET=true |
| shift |
| fi |
| |
| CPP_DEFINE_GENERATOR_TOOL="$1" |
| OUTPUT_FILE="$2" |
| |
| function pecho() { |
| if ! $QUIET; then |
| echo "$@" |
| fi |
| } |
| |
| # Generate the header. Print the command we're running to console for readability. |
| pecho "cpp-define-generator-data > \"$OUTPUT_FILE\"" |
| "$CPP_DEFINE_GENERATOR_TOOL" > "$OUTPUT_FILE" |
| retval="$?" |
| |
| if [[ $retval -ne 0 ]]; then |
| echo "verify-asm-support: FATAL: Error while running cpp-define-generator-data" >&2 |
| exit $retval |
| fi |
| |
| if ! diff "$ABS_ASM_SUPPORT_GEN_CHECKED_IN_COPY" "$OUTPUT_FILE"; then |
| |
| if [[ $OVERWRITE_CHECKED_IN_COPY_IF_CHANGED == "y" ]]; then |
| cp "$OUTPUT_FILE" "$ABS_ASM_SUPPORT_GEN_CHECKED_IN_COPY" |
| echo "verify-asm-support: OK: Overwrote '$ASM_SUPPORT_GEN_CHECKED_IN_COPY' with build copy." |
| echo " Please 'git add $ASM_SUPPORT_GEN_CHECKED_IN_COPY'." |
| else |
| echo "---------------------------------------------------------------------------------------------" >&2 |
| echo "verify-asm-support: ERROR: Checked-in copy of '$ASM_SUPPORT_GEN_CHECKED_IN_COPY' " >&2 |
| echo " has diverged from the build copy." >&2 |
| echo " Please re-run the 'generate-asm-support' command to resync the header." >&2 |
| [[ -f "$OUTPUT_FILE" ]] && rm "$OUTPUT_FILE" |
| exit 1 |
| fi |
| fi |
| |
| pecho "verify-asm-support: SUCCESS. Built '$OUTPUT_FILE' which matches our checked in copy." |