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The count of contributions (summary of Pull Requests, opened issues and commits) to public repos at GitHub.com from Wed, 21 Sep 2022 till Thu, 21 Sep 2023.
Because of GitHub search limitations, only 1000 first users according to amount of followers are included. If you are not in the list you don't have enough followers. See raw data and source code. Algorithm in pseudocode:
githubUsers
| Latency Comparison Numbers (~2012) | |
| ---------------------------------- | |
| L1 cache reference 0.5 ns | |
| Branch mispredict 5 ns | |
| L2 cache reference 7 ns 14x L1 cache | |
| Mutex lock/unlock 25 ns | |
| Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
| Compress 1K bytes with Zippy 3,000 ns 3 us | |
| Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
| Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |
| NOTE: Easier way is the X86 way, described on https://www.genymotion.com/help/desktop/faq/#google-play-services | |
| Download the following ZIPs: | |
| ARM Translation Installer v1.1 (http://www.mirrorcreator.com/files/0ZIO8PME/Genymotion-ARM-Translation_v1.1.zip_links) | |
| Download the correct GApps for your Android version: | |
| Google Apps for Android 6.0 (https://www.androidfilehost.com/?fid=24052804347835438 - benzo-gapps-M-20151011-signed-chroma-r3.zip) | |
| Google Apps for Android 5.1 (https://www.androidfilehost.com/?fid=96042739161891406 - gapps-L-4-21-15.zip) | |
| Google Apps for Android 5.0 (https://www.androidfilehost.com/?fid=95784891001614559 - gapps-lp-20141109-signed.zip) |
| /// Observes a run loop to detect any stalling or blocking that occurs. | |
| /// | |
| /// This class is thread-safe. | |
| @interface GHRunLoopWatchdog : NSObject | |
| /// Initializes the receiver to watch the specified run loop, using a default | |
| /// stalling threshold. | |
| - (id)initWithRunLoop:(CFRunLoopRef)runLoop; | |
| /// Initializes the receiver to detect when the specified run loop blocks for |
| #!/usr/bin/env python3 | |
| '''amfid_patch.py - Pedro José Pereira Vieito © 2016 | |
| This script can patch macOS 10.12.2 amfid daemon on memory | |
| to allow arbitrary entitlements in Developer ID signed binaries. | |
| Killing amfid will make the patch disapear: | |
| $ sudo kill -9 `pgrep amfid` | |
| You must run the script as a root (sudo) and with SIP disabled. | |
| /* | |
| * SEP firmware split tool | |
| * | |
| * Copyright (c) 2017 xerub | |
| */ | |
| #include <fcntl.h> | |
| #include <stddef.h> | |
| #include <stdio.h> | |
| #include <stdlib.h> |
Sadly I don't have a dev device on iOS 10, but for anyone playing around with zIVA caring about the kernel task port:
Starting with iOS 10.3 (and macOS 10.12.4), Apple changed convert_port_to_locked_task (and a few other port-to-something conversion functions) to blacklist the kernel task by means of a direct check. As a result, you can still obtain the kernel task port, but almost all APIs will simply treat it like MACH_PORT_NULL, thus rendering it useless. The check is a simple pointer comparison though, so it can be circumvented by just remapping the task struct at an additional virtual address and creating a new port from that with a ROP equivalent of:
vm_map_remap(
kernel_map,
&remap_addr,
sizeof(task_t),
0,
VM_FLAGS_ANYWHERE | VM_FLAGS_RETURN_DATA_ADDR,
| #! /bin/bash | |
| # | |
| # build-xnu-4570.1.46.sh | |
| # Brandon Azad | |
| # | |
| # A script showing how to build XNU version 4570.1.46 on MacOS High Sierra | |
| # 10.13 with Xcode 9. | |
| # | |
| # Note: This process will OVERWRITE files in Xcode's MacOSX10.13.sdk. Make a | |
| # backup of this directory first! |
| Following are my steps to build the ARM64 version of xnu-4570.1.46, hope this is helpfull for saving time. | |
| 1. Use Xcode 9.0 | |
| 2. Preparation is same as macOS, and there is a guide: https://0xcc.re/building-xnu-kernel-macosx-sierrra-10-12-x/ | |
| 3. There is an ARM64 version libfirehose: https://github.com/Proteas/install_firehose_lib | |
| 4. Copy and edit the ARM64 config(CFLAGS, LDFLAGS) from darwin-on-arm/xnu to your target project | |
| 5. Example CFLAGS: -Darm64 -DARM64 -D__arm64__ -D__ARM64__ -DLP64 -DCONFIG_EMBEDDED -mkernel -DARM64_BOARD_CONFIG_T8011=1 | |
| 6. Fix compiling stage errors by directly importing the missing headers or editing the code | |
| 7. Fix linking stage errors by implementing place holder funcitons for: chudxnu_cpu_alloc, etc | |
| 8. If missing symbol __divti3 in linking stage, get the runtime from llvm. |