/home/mrjunejune/zenbu: third_party/emsdk/bazel/emscripten_toolchain/link

annotate third_party/emsdk/bazel/emscripten_toolchain/link_wrapper.py @ 279:b3b547563ec7

Add Google connector service and agent wiki Implement the C/Seobeo Google Drive and Gmail connector with encrypted OAuth storage, Zenbu authentication, browser testing, AI tool discovery, chunked HTTP decoding, and Bazel coverage. Consolidate repository guidance into progressive wiki documentation and enforce arena-first allocation for new first-party C code. Co-authored-by: Copilot <[email protected]> Copilot-Session: 84c338fd-0939-4bb3-b7f3-1062eb213e5d

author	MrJuneJune <me@mrjunejune.com>
date	Mon, 17 Aug 2026 22:22:36 -0700
parents	8d17f6e6e290
children

rev	line source
179 8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	1 #!/usr/bin/env python
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	2 """wrapper around emcc link step.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	3
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	4 This wrapper currently serves the following purposes.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	5
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	6 1. When building with --config=wasm the final output is multiple files, usually
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	7 at least one .js and one .wasm file. Since the cc_binary link step only
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	8 allows a single output, we must tar up the outputs into a single file.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	9
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	10 2. Add quotes around arguments that need them in the response file to work
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	11 around a bazel quirk.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	12
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	13 3. Ensure the external_debug_info section of the wasm points at the correct
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	14 bazel path.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	15 """
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	16
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	17
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	18 import argparse
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	19 import os
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	20 import subprocess
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	21 import sys
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	22
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	23 # Only argument should be @path/to/parameter/file
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	24 assert sys.argv[1][0] == '@', sys.argv
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	25 param_filename = sys.argv[1][1:]
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	26 param_file_args = [line.strip() for line in open(param_filename).readlines()]
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	27
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	28 # Re-write response file if needed.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	29 if any(' ' in a for a in param_file_args):
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	30 new_param_filename = param_filename + '.modified'
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	31 with open(new_param_filename, 'w') as f:
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	32 for param in param_file_args:
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	33 if ' ' in param:
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	34 f.write('"%s"' % param)
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	35 else:
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	36 f.write(param)
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	37 f.write('\n')
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	38 sys.argv[1] = '@' + new_param_filename
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	39
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	40 emcc_py = os.path.join(os.environ['EMSCRIPTEN'], 'emcc.py')
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	41 rtn = subprocess.call([sys.executable, emcc_py] + sys.argv[1:])
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	42 if rtn != 0:
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	43 sys.exit(1)
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	44
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	45 # Parse the arguments that we gave to the linker to determine what the output
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	46 # file is named and what the output format is.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	47 parser = argparse.ArgumentParser(add_help=False)
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	48 parser.add_argument('-o')
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	49 parser.add_argument('--oformat')
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	50 options = parser.parse_known_args(param_file_args)[0]
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	51 output_file = options.o
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	52 oformat = options.oformat
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	53 outdir = os.path.normpath(os.path.dirname(output_file))
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	54 base_name = os.path.basename(output_file)
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	55
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	56 # The output file name is the name of the build rule that was built.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	57 # Add an appropriate file extension based on --oformat.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	58 if oformat is not None:
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	59 base_name_split = os.path.splitext(base_name)
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	60
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	61 # If the output name has no extension, give it the appropriate extension.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	62 if not base_name_split[1]:
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	63 os.replace(output_file, output_file + '.' + oformat)
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	64
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	65 # If the output name does have an extension and it matches the output format,
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	66 # change the base_name so it doesn't have an extension.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	67 elif base_name_split[1] == '.' + oformat:
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	68 base_name = base_name_split[0]
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	69
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	70 # If the output name does have an extension and it does not match the output
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	71 # format, change the base_name so it doesn't have an extension and rename
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	72 # the output_file so it has the proper extension.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	73 # Note that if you do something like name your build rule "foo.js" and pass
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	74 # "--oformat=html", emscripten will write to the same file for both the js and
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	75 # html output, overwriting the js output entirely with the html.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	76 # Please don't do that.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	77 else:
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	78 base_name = base_name_split[0]
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	79 os.replace(output_file, os.path.join(outdir, base_name + '.' + oformat))
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	80
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	81 files = []
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	82 extensions = [
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	83 '.js',
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	84 '.wasm',
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	85 '.wasm.map',
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	86 '.data',
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	87 '.js.symbols',
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	88 '.wasm.debug.wasm',
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	89 '.html',
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	90 ]
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	91
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	92 for ext in extensions:
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	93 filename = base_name + ext
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	94 if os.path.exists(os.path.join(outdir, filename)):
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	95 files.append(filename)
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	96
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	97 wasm_base = os.path.join(outdir, base_name + '.wasm')
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	98 if os.path.exists(wasm_base + '.debug.wasm') and os.path.exists(wasm_base):
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	99 # If we have a .wasm.debug.wasm file and a .wasm file, we need to rewrite the
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	100 # section in the .wasm file that refers to it. The path that's in there
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	101 # is the blaze output path; we want it to be just the filename.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	102
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	103 llvm_objcopy = os.path.join(
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	104 os.environ['EM_BIN_PATH'], 'bin/llvm-objcopy')
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	105 # First, check to make sure the .wasm file has the header that needs to be
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	106 # rewritten.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	107 rtn = subprocess.call([
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	108 llvm_objcopy,
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	109 '--dump-section=external_debug_info=/dev/null',
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	110 wasm_base], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	111 if rtn == 0:
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	112 # If llvm-objcopy did not return an error, the external_debug_info section
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	113 # must exist, so we're good to continue.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	114
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	115 # Next we need to convert length of the filename to LEB128.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	116 # Start by converting the length of the filename to a bit string.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	117 bit_string = '{0:b}'.format(len(base_name + '.wasm.debug.wasm'))
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	118
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	119 # Pad the bit string with 0s so that its length is a multiple of 7.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	120 while len(bit_string) % 7 != 0:
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	121 bit_string = '0' + bit_string
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	122
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	123 # Break up our bit string into chunks of 7.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	124 # We do this backwards because the final format is little-endian.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	125 final_bytes = bytearray()
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	126 for i in reversed(range(0, len(bit_string), 7)):
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	127 binary_part = bit_string[i:i + 7]
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	128 if i != 0:
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	129 # Every chunk except the last one needs to be prepended with '1'.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	130 # The length of each chunk is 7, so that one has an implicit '0'.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	131 binary_part = '1' + binary_part
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	132 final_bytes.append(int(binary_part, 2))
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	133 # Finally, add the actual filename.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	134 final_bytes.extend((base_name + '.wasm.debug.wasm').encode())
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	135
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	136 # Write our length + filename bytes to a temp file.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	137 with open(base_name + '_debugsection.tmp', 'wb+') as f:
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	138 f.write(final_bytes)
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	139 f.close()
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	140
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	141 # First delete the old section.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	142 subprocess.check_call([
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	143 llvm_objcopy,
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	144 wasm_base,
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	145 '--remove-section=external_debug_info'])
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	146 # Rewrite section with the new size and filename from the temp file.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	147 subprocess.check_call([
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	148 llvm_objcopy,
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	149 wasm_base,
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	150 '--add-section=external_debug_info=' + base_name + '_debugsection.tmp'])
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	151
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	152 # Make sure we have at least one output file.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	153 if not files:
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	154 print('emcc.py did not appear to output any known files!')
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	155 sys.exit(1)
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	156
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	157 # cc_binary must output exactly one file; put all the output files in a tarball.
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	158 cmd = ['tar', 'cf', base_name + '.tar'] + files
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	159 subprocess.check_call(cmd, cwd=outdir)
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	160 os.replace(os.path.join(outdir, base_name + '.tar'), output_file)
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	161
8d17f6e6e290 [ThirdParty] Added emsdk bazel rules that can be supported by bazel 9.0.0 MrJuneJune <me@mrjunejune.com> parents: diff changeset	162 sys.exit(0)

Mercurial

annotate third_party/emsdk/bazel/emscripten_toolchain/link_wrapper.py @ 279:b3b547563ec7