1# Copyright 2021 The Pigweed Authors 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); you may not 4# use this file except in compliance with the License. You may obtain a copy of 5# the License at 6# 7# https://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12# License for the specific language governing permissions and limitations under 13# the License. 14include_guard(GLOBAL) 15 16include($ENV{PW_ROOT}/pw_build/pigweed.cmake) 17 18# This function creates a library under the specified ${NAME} which provides a 19# a generated bloaty configuration for a given ELF file using 20# pw_bloat.bloaty_config. 21# 22# Produces the ${OUTPUT} Bloaty McBloatface configuration file. 23# 24# Args: 25# 26# NAME - name of the library to create 27# ELF_FILE - The input ELF file to process using pw_bloat.bloaty_config 28# OUTPUT - The output Bloaty McBloatface configuration file 29function(pw_bloaty_config NAME) 30 set(option_args) 31 set(one_value_args ELF_FILE OUTPUT) 32 set(multi_value_args) 33 _pw_parse_argv_strict(pw_bloaty_config 34 1 "${option_args}" "${one_value_args}" "${multi_value_args}" 35 ) 36 37 if("${arg_ELF_FILE}" STREQUAL "") 38 message(FATAL_ERROR 39 "pw_bloaty_config requires an input ELF file in ELF_FILE. " 40 "No ELF_FILE was listed for ${NAME}") 41 endif() 42 43 if("${arg_OUTPUT}" STREQUAL "") 44 message(FATAL_ERROR 45 "pw_bloaty_config requires an output config file in OUTPUT. " 46 "No OUTPUT was listed for ${NAME}") 47 endif() 48 49 add_library(${NAME} INTERFACE) 50 add_dependencies(${NAME} INTERFACE ${NAME}_generated_config) 51 52 add_custom_command( 53 COMMENT "Generating ${NAME}'s ${arg_OUTPUT} for ${arg_ELF_FILE}." 54 COMMAND 55 ${Python3_EXECUTABLE} 56 "$ENV{PW_ROOT}/pw_bloat/py/pw_bloat/bloaty_config.py" 57 ${arg_ELF_FILE} -o ${arg_OUTPUT} -l warning 58 DEPENDS ${arg_ELF_FILE} 59 OUTPUT ${arg_OUTPUT} POST_BUILD 60 ) 61 add_custom_target(${NAME}_generated_config 62 DEPENDS ${arg_OUTPUT} 63 ) 64endfunction() 65