forked from Archive/PX4-Autopilot
Replaced awk with python script for bin_to_obj.
This commit is contained in:
James Goppert
parent
0286136c68
commit
1eddfde439
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@ -0,0 +1,86 @@
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#!/usr/bin/env python
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"""
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This converts a binary imagge to an object file
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"""
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from __future__ import print_function
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import subprocess
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import argparse
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import re
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from subprocess import PIPE
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#pylint: disable=invalid-name
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parser = argparse.ArgumentParser(description='Convert bin to obj.')
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parser.add_argument('--c_flags', required=True)
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parser.add_argument('--c_compiler', required=True)
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parser.add_argument('--nm', required=True)
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parser.add_argument('--ld', required=True)
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parser.add_argument('--objcopy', required=True)
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parser.add_argument('--bin', required=True)
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parser.add_argument('--obj', required=True)
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parser.add_argument('--var', required=True)
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args = parser.parse_args()
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in_bin = args.bin
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c_flags = args.c_flags
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c_compiler = args.c_compiler
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nm = args.nm
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ld = args.ld
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obj = args.obj
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var = args.var
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objcopy = args.objcopy
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sym = "_binary_" + in_bin.replace('/', '_').replace('.', '_').replace('-', '_')
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#print("sym: ", sym)
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# write empty file
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with open('{obj:s}.c'.format(**locals()), 'w') as f:
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f.write("")
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def run_cmd(cmd, d):
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cmd = cmd.format(**d)
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#print(cmd)
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proc = subprocess.Popen(cmd.split(), stdout=PIPE, stderr=PIPE)
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stdout, stderr = proc.communicate()
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if stderr != "":
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raise RuntimeError(stderr)
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return stdout
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# do compile
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run_cmd("{c_compiler:s} {c_flags:s} -c {obj:s}.c -o {obj:s}.c.o",
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locals())
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# link
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run_cmd("{ld:s} -r -o {obj:s}.bin.o {obj:s}.c.o -b binary {in_bin:s}",
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locals())
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# get size of image
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stdout = run_cmd("{nm:s} -p --radix=x {obj:s}.bin.o", locals())
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re_size = re.compile("(^[0-9A-Fa-f]*) .*{sym:s}_size".format(
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**locals()))
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size_match = re.match(re_size, stdout)
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size = size_match.group(1)
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#print("romfs size: ", size)
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# write size to file
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with open('{obj:s}.c'.format(**locals()), 'w') as f:
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f.write("const unsigned int {var:s}_len = 0x{size:s};".format(
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**locals()))
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# do compile
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run_cmd("{c_compiler:s} {c_flags:s} -c {obj:s}.c -o {obj:s}.c.o",
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locals())
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# link
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run_cmd("{ld:s} -r -o {obj:s} {obj:s}.c.o {obj:s}.bin.o",
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locals())
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# obj copy
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run_cmd("""
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{objcopy:s} {obj:s}
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--redefine-sym {sym:s}_start={var:s}
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--strip-symbol {sym:s}_size
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--strip-symbol {sym:s}_end
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--rename-section .data=.rodata
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""", locals())
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# vim: set et ft=python fenc= ff=unix sts=4 sw=4 ts=4 :
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@ -41,7 +41,6 @@
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# * px4_nuttx_generate_builtin_commands
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# * px4_nuttx_add_export
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# * px4_nuttx_generate_romfs
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# * px4_bin_to_obj
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#
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# Required OS Inteface Functions
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#
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@ -234,65 +233,6 @@ function(px4_nuttx_add_export)
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endfunction()
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#=============================================================================
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#
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# px4_bin_to_obj
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#
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# The functions create an object file from a binary image.
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#
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# Usage:
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# px4_bin_to_boj(OBJ <out-obj> VAR <in-variable> BIN <in-bin>)
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#
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# Input:
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# BIN : the bin file
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# VAR : the variable name
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#
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# Output:
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# OBJ : the object file
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#
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# Example:
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# px4_bin_to_obj(OBJ my_obj VAR romfs BIN my_bin)
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#
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function(px4_bin_to_obj)
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px4_parse_function_args(
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NAME px4_bin_to_obj
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ONE_VALUE BIN OBJ VAR
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REQUIRED BIN OBJ VAR
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ARGN ${ARGN})
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string(REPLACE "/" "_" _tmp ${BIN})
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string(REPLACE "." "_" _tmp ${_tmp})
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string(REPLACE "-" "_" sym "_binary_${_tmp}")
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#message(STATUS "sym: ${sym}")
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separate_arguments(CMAKE_C_FLAGS)
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add_custom_command(OUTPUT ${OBJ}
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COMMAND ${ECHO} > ${OBJ}.c
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COMMAND ${CMAKE_C_COMPILER} ${CMAKE_C_FLAGS} -c ${OBJ}.c -o ${OBJ}.c.o
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COMMAND ${LD} -r -o ${OBJ}.bin.o ${OBJ}.c.o -b binary ${BIN}
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COMMAND ${NM} -p --radix=x ${OBJ}.bin.o
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| ${GREP} ${sym}_size
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| ${GREP} -o ^[0-9a-fA-F]*
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| ${AWK} "{print \"const unsigned int ${VAR}_len = 0x\"$1\";\"}" > ${OBJ}.c
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COMMAND ${CMAKE_C_COMPILER} ${CMAKE_C_FLAGS} -c ${OBJ}.c -o ${OBJ}.c.o
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COMMAND ${LD} -r -o ${OBJ} ${OBJ}.c.o ${OBJ}.bin.o
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COMMAND ${OBJCOPY} ${OBJ}
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--redefine-sym ${sym}_start=${VAR}
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--strip-symbol ${sym}_size
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--strip-symbol ${sym}_end
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--rename-section .data=.rodata
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# useful to comment remove statement when debugging
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COMMAND ${RM} ${OBJ}.c ${OBJ}.c.o ${OBJ}.bin.o
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DEPENDS ${BIN}
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VERBATIM
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)
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set(${OBJ} ${OBJ} PARENT_SCOPE)
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endfunction()
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#=============================================================================
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#
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# px4_nuttx_generate_romfs
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@ -325,6 +265,7 @@ function(px4_nuttx_generate_romfs)
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set(romfs_autostart ${CMAKE_SOURCE_DIR}/Tools/px_process_airframes.py)
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set(romfs_pruner ${CMAKE_SOURCE_DIR}/Tools/px_romfs_pruner.py)
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set(bin_to_obj ${CMAKE_SOURCE_DIR}/cmake/nuttx/bin_to_obj.py)
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#message(STATUS "temp_dir: ${romfs_temp_dir}")
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@ -349,9 +290,19 @@ function(px4_nuttx_generate_romfs)
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WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
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)
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px4_bin_to_obj(OBJ ${OUT}
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BIN ${CMAKE_CURRENT_BINARY_DIR}/romfs.bin
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VAR romfs_img)
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add_custom_command(OUTPUT romfs.o
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COMMAND ${PYTHON_EXECUTABLE} ${bin_to_obj}
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--ld ${LD} --c_flags ${CMAKE_C_FLAGS}
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--c_compiler ${CMAKE_C_COMPILER}
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--nm ${NM} --objcopy ${OBJCOPY}
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--obj romfs.o
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--var romfs_img
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--bin romfs.bin
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DEPENDS romfs.bin
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WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
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)
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set(${OUT} romfs.o PARENT_SCOPE)
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endfunction()
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@ -1,21 +0,0 @@
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#!/usr/bin/env python
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"""
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This converts a binary imagge to an object file
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"""
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from __future__ import print_function
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import subprocess
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import argparse
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import os
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#pylint: disable=invalid-name
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parser = argparse.ArgumentParser(description='Convert bin to obj.')
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parser.add_argument('--c-flags', required=True)
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parser.add_argument('--c-compiler', required=True)
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parser.add_argument('--nm', required=True)
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args = parser.parse_args()
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#TODO write function
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exit(0)
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# vim: set et ft=python fenc= ff=unix sts=4 sw=4 ts=4 :
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