101 lines
3.8 KiB
Bash
Executable file
101 lines
3.8 KiB
Bash
Executable file
#!/bin/bash
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#
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# Copyright (C) 2017 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# ---------------------------------------------------------------------------
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# Generates asm_support_gen.h into the $OUT directory in the build.
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# Then verifies that it is the same as in runtime/generated/asm_support_gen.h
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# Validates that art/runtime/generated/asm_support_gen.h
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# - This must be run after a build since it uses cpp-define-generator-data
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# Path to asm_support_gen.h that we check into our git repository.
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ASM_SUPPORT_GEN_CHECKED_IN_COPY="runtime/generated/asm_support_gen.h"
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# Instead of producing an error if checked-in copy differs from the generated version,
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# overwrite the local checked-in copy instead.
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OVERWRITE_CHECKED_IN_COPY_IF_CHANGED="n"
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#######################
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#######################
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DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
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ART_DIR="$( cd "$DIR/../.." && pwd )"
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ABS_ASM_SUPPORT_GEN_CHECKED_IN_COPY="$ART_DIR/runtime/generated/asm_support_gen.h"
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# Sanity check that we haven't moved the file around.
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# If we did, perhaps the above constant should be updated.
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if ! [[ -f "$ABS_ASM_SUPPORT_GEN_CHECKED_IN_COPY" ]]; then
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echo "ERROR: Missing asm_support_gen.h, expected to be in '$ABS_ASM_SUPPORT_GEN_CHECKED_IN_COPY'" >&2
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exit 1
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fi
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# The absolute path to cpp-define-generator is in $1
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# Generate the file as part of the build into the out location specified by $2.
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# Compare that the generated file matches our golden copy that's checked into git.
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# If not, it is a fatal error and the user needs to run 'generate-asm-support' to rebuild.
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if [[ $# -lt 2 ]]; then
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echo "Usage: $0 [--quiet] [--presubmit] <path-to-cpp-define-generator-data-binary> <output-file>'" >&2
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exit 1
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fi
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# Supress 'chatty' messages during the build.
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# If anything is printed in a success case then
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# the main Android build can't reuse the same line for
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# showing multiple commands being executed.
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QUIET=false
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if [[ "$1" == "--quiet" ]]; then
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QUIET=true
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shift
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fi
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CPP_DEFINE_GENERATOR_TOOL="$1"
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OUTPUT_FILE="$2"
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function pecho() {
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if ! $QUIET; then
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echo "$@"
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fi
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}
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# Generate the header. Print the command we're running to console for readability.
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pecho "cpp-define-generator-data > \"$OUTPUT_FILE\""
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"$CPP_DEFINE_GENERATOR_TOOL" > "$OUTPUT_FILE"
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retval="$?"
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if [[ $retval -ne 0 ]]; then
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echo "verify-asm-support: FATAL: Error while running cpp-define-generator-data" >&2
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exit $retval
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fi
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if ! diff "$ABS_ASM_SUPPORT_GEN_CHECKED_IN_COPY" "$OUTPUT_FILE"; then
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if [[ $OVERWRITE_CHECKED_IN_COPY_IF_CHANGED == "y" ]]; then
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cp "$OUTPUT_FILE" "$ABS_ASM_SUPPORT_GEN_CHECKED_IN_COPY"
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echo "verify-asm-support: OK: Overwrote '$ASM_SUPPORT_GEN_CHECKED_IN_COPY' with build copy."
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echo " Please 'git add $ASM_SUPPORT_GEN_CHECKED_IN_COPY'."
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else
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echo "---------------------------------------------------------------------------------------------" >&2
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echo "verify-asm-support: ERROR: Checked-in copy of '$ASM_SUPPORT_GEN_CHECKED_IN_COPY' " >&2
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echo " has diverged from the build copy." >&2
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echo " Please re-run the 'generate-asm-support' command to resync the header." >&2
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[[ -f "$OUTPUT_FILE" ]] && rm "$OUTPUT_FILE"
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exit 1
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fi
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fi
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pecho "verify-asm-support: SUCCESS. Built '$OUTPUT_FILE' which matches our checked in copy."
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