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# Copyright 2014 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# Rule to extract integer values for each symbol from an object file.
# The output file name is the input file name with extension replaced with
# asm or h.
# The following gyp variables must be set before including this gypi:
# output_format, the output format of integer value.
# output_dir, the full path where the output file should be created.
#
# For example:
#
# 'sources': ['a.o', 'b.o'],
# 'variables': {
# 'output_format': 'cheader',
# 'output_dir': 'output',
# },
# 'includes': ['obj_int_extract.gypi'],
#
# This extracts the symbol from a.o and b.o, and outputs them to a.h and b.h
# in output directory.
{
'variables': {
'conditions': [
['os_posix==1', {
'asm_obj_extension': 'o',
}],
['OS=="win"', {
'asm_obj_extension': 'obj',
}],
['output_format=="cheader"', {
'output_extension': 'h',
}, {
'output_extension': 'asm',
}],
],
},
'rules': [
{
'rule_name': 'obj_int_extract',
'extension': '<(asm_obj_extension)',
'inputs': [
'<(PRODUCT_DIR)/libvpx_obj_int_extract',
'obj_int_extract.py',
],
'outputs': [
'<(output_dir)/<(RULE_INPUT_ROOT).<(output_extension)',
],
'action': [
'python',
'<(DEPTH)/third_party/libvpx/obj_int_extract.py',
'-e', '<(PRODUCT_DIR)/libvpx_obj_int_extract',
'-f', '<(output_format)',
'-b', '<(RULE_INPUT_PATH)',
'-o', '<(output_dir)/<(RULE_INPUT_ROOT).<(output_extension)',
],
'message': 'Generate assembly offsets <(RULE_INPUT_PATH)',
},
],
}
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