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bitcoin/contrib
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W. J. van der Laan ecf5f2c1a0
Merge bitcoin/bitcoin#21889: macho: check for control flow instrumentation 
42b589d18f scripts: test for MACHO control flow instrumentation (fanquake)
469a5bc4fa build: build Boost with -fcf-protection when targeting Darwin (fanquake)

Pull request description:

  Addresses the macOS portion of #21888.

  Build Boost with `-fcf-protection` when targeting Darwin. This should be ok, because our cross-compiler (Clang 10) supports the option, and I'd expect all versions of Apple Clang being used to compile Core would also support it. Building Boost with this option is required so that the `main` provided to `test_bitcoin` has instrumentation.

  Note that the presence of instrumentation does not mean it will be used, as that is determined at runtime by the CPU.
  From the Intel control flow enforcement documentation:

  > The ENDBR32 and ENDBR64 instructions will have the same effect as the NOP instruction on Intel 64 processors that do not support CET. On processors supporting CET, these instructions do not change register or flag state. This allows CET instrumented programs to execute on processors that do not support CET. Even when CET is supported and enabled, these NOP–like instructions do not affect the execution state of the program, do not cause any additional register pressure, and are minimally intrusive from power and performance perspectives.

  Follow up from #21135.

  Guix builds:
  ```bash
  663df8471400f06d4da739e39a886aa17f56a36d66e0ff7cc290686294ef39c9  guix-build-42b589d18fed/output/dist-archive/bitcoin-42b589d18fed.tar.gz
  45e841661e1659a634468b6f8c9fb0a7956c31ba296f1fd0c02cd880736d6127  guix-build-42b589d18fed/output/x86_64-apple-darwin18/bitcoin-42b589d18fed-osx-unsigned.dmg
  0ea85c99fef35429a5048fa14850bce6b900eaa887aeea419b019852f8d2be78  guix-build-42b589d18fed/output/x86_64-apple-darwin18/bitcoin-42b589d18fed-osx-unsigned.tar.gz
  85857a5a4a5d4d3a172d6c361c12c4a94f6505fc12b527ea63b75bfe54ee1001  guix-build-42b589d18fed/output/x86_64-apple-darwin18/bitcoin-42b589d18fed-osx64.tar.gz
  ```

  Gitian builds:
  ```bash
  # macOS:
  bdfd677a6b88273a741b433e1e7f554af50cc76b3342d44ab0c441e2b40efc96  bitcoin-42b589d18fed-osx-unsigned.dmg
  f3b2d09f3bea7a5cc489b02e8e53dd76a9922338500fae79cad0506655af56f9  bitcoin-42b589d18fed-osx-unsigned.tar.gz
  29d5ad5e46bc9fb0056922a8b47c026e5e9f71e6cf447203b74644587d6fb6f7  bitcoin-42b589d18fed-osx64.tar.gz
  663df8471400f06d4da739e39a886aa17f56a36d66e0ff7cc290686294ef39c9  src/bitcoin-42b589d18fed.tar.gz
  366f8d7a2fc1f3e22cb1018043099126a71ce65380cc27b1c3280cce42d06c98  bitcoin-core-osx-22-res.yml
  ```

ACKs for top commit:
  laanwj:
    Code review ACK 42b589d18f

Tree-SHA512: 12cb8d462d64d845b9fe48c5c6978892adff8bf5b5572bb29f35df1f6176e47b32a68bcb6e4883c7d9454e76e8868851005a7325916852a2d0d32659ac7dae3f
2021-05-14 12:26:38 +02:00
..
debian Doc: Copyright: Fix embedded font file location 2021-04-02 06:18:35 +02:00
devtools scripts: test for MACHO control flow instrumentation 2021-05-09 14:26:09 +08:00
gitian-descriptors Merge bitcoin/bitcoin#21740: test: add new python linter to check file names and permissions 2021-05-05 17:14:22 +02:00
gitian-keys gitian-keys: Add signer aliases, some historical keys 2021-01-24 19:01:26 +01:00
guix Merge bitcoin/bitcoin#21462: guix: Add guix-{attest,verify} scripts 2021-05-12 13:51:38 +02:00
init Merge #21418: contrib: Make systemd invoke dependencies only when ready 2021-03-22 15:15:14 +01:00
linearize doc: Added default signet config for linearize script 2020-09-25 14:37:22 +02:00
macdeploy build: Xcode 12.1, macOS SDK 10.15.6 2021-05-01 13:39:45 +08:00
message-capture Add documentation to contrib folder 2021-01-23 16:15:05 -05:00
qos test: fix file permissions on various scripts 2021-04-23 17:13:28 -07:00
seeds contrib: add a few I2P seed nodes 2021-05-02 13:37:48 +02:00
shell guix: Add source-able bash prelude and utils 2021-04-05 11:00:21 -04:00
signet contrib/signet: Document miner script in README.md 2021-01-12 18:34:29 +10:00
testgen bugfix: fix bech32_encode calls in gen_key_io_test_vectors.py 2021-03-18 14:28:46 -07:00
verify-commits script: Add trusted key for hebasto 2021-04-06 12:27:32 +03:00
verifybinaries lint: Fix spelling errors in comments 2021-03-01 15:24:28 +00:00
windeploy Update with new Windows code signing certificate 2020-03-24 12:22:46 -04:00
zmq scripted-diff: Bump copyright headers 2020-12-31 09:45:41 +01:00
bitcoin-cli.bash-completion scripted-diff: Bump copyright of files changed in 2019 2019-12-30 10:42:20 +13:00
bitcoin-tx.bash-completion bash-completion: Adapt for 0.12 and 0.13 2016-07-07 07:52:59 -04:00
bitcoind.bash-completion scripted-diff: Bump copyright of files changed in 2019 2019-12-30 10:42:20 +13:00
filter-lcov.py scripted-diff: Bump copyright headers 2020-12-31 09:45:41 +01:00
gitian-build.py build: Xcode 12.1, macOS SDK 10.15.6 2021-05-01 13:39:45 +08:00
install_db4.sh contrib: embed C++11 patch in install_db4.sh 2021-01-11 10:34:27 +01:00
README.md doc: Fix whitespace errs in .md files, bitcoin.conf, Info.plist.in, and find_bdb48.m4 2019-09-17 03:21:22 -04:00
valgrind.supp contrib: Fixup valgrind suppressions file 2020-08-05 16:43:30 +02:00

README.md

Repository Tools

Developer tools

Specific tools for developers working on this repository. Additional tools, including the github-merge.py script, are available in the maintainer-tools repository.

Verify-Commits

Tool to verify that every merge commit was signed by a developer using the github-merge.py script.

Linearize

Construct a linear, no-fork, best version of the blockchain.

Qos

A Linux bash script that will set up traffic control (tc) to limit the outgoing bandwidth for connections to the Bitcoin network. This means one can have an always-on bitcoind instance running, and another local bitcoind/bitcoin-qt instance which connects to this node and receives blocks from it.

Seeds

Utility to generate the pnSeed[] array that is compiled into the client.

Build Tools and Keys

Packaging

The Debian subfolder contains the copyright file.

All other packaging related files can be found in the bitcoin-core/packaging repository.

Gitian-descriptors

Files used during the gitian build process. For more information about gitian, see the the Bitcoin Core documentation repository.

Gitian-keys

PGP keys used for signing Bitcoin Core Gitian release results.

MacDeploy

Scripts and notes for Mac builds.

Gitian-build

Script for running full Gitian builds.

Test and Verify Tools

TestGen

Utilities to generate test vectors for the data-driven Bitcoin tests.

Verify Binaries

This script attempts to download and verify the signature file SHA256SUMS.asc from bitcoin.org.