zhuowei

## nextfloat.c
#include <stdio.h>

int main() {
	union {
		unsigned int a;
		float b;
	} theunion;
	theunion.a = (0x80 << 23) | 0x7fffff;
	printf("%x %.30f\n", theunion.a, theunion.b);
	theunion.a += 1;

## dumped.txt

bootrom.elf:     file format elf64-littleriscv

SYMBOL TABLE:
0000000000010000 l    d  .data	0000000000000000 .data
0000000000010000 g       .data	0000000000000000 _binary_bootrom_bin_start
0000000000013068 g       .data	0000000000000000 _binary_bootrom_bin_end
0000000000003068 g       *ABS*	0000000000000000 _binary_bootrom_bin_size


## avatars.db.dump
{
  "$archiver" => "NSKeyedArchiver"
  "$objects" => [
    0 => "$null"
    1 => {
      "$class" => <CFKeyedArchiverUID 0x7fb2a4c0d8d0 [0x7fffa1485af0]>{value = 12}
      "domains" => <CFKeyedArchiverUID 0x7fb2a4c0d890 [0x7fffa1485af0]>{value = 2}
      "records" => <CFKeyedArchiverUID 0x7fb2a4c0d8b0 [0x7fffa1485af0]>{value = 8}
    }
    2 => {

## crash.swift
// crashes Xcode 10 beta 4.
// the last line is supposed to error, not trigger a compiler segfault
import Foundation
import ObjectiveC

typealias BundleForClass_Type = @convention(c) (AnyClass, Selector, AnyClass) -> Bundle

private func AVTUIEnvironment_storeLocation_hook(bundleClass: AnyClass, selector: Selector) -> NSURL {
    abort()
}

## treesort_nestedfunctions.py
#!/usr/bin/env python3
# https://en.wikipedia.org/wiki/Tree_sort#Example
opRead = 0
opWrite = 1

varVal = 0
varLeft = 1
varRight = 2

# learned this was possible from https://aphyr.com/posts/340-reversing-the-technical-interview

## serialout
iBoot version:

corecrypto_kext_start called
FIPSPOST_KEXT [64144875] fipspost_post:156: PASSED: (4 ms) - fipspost_post_integrity
FIPSPOST_KEXT [64366750] fipspost_post:162: PASSED: (1 ms) - fipspost_post_hmac
FIPSPOST_KEXT [64504187] fipspost_post:163: PASSED: (0 ms) - fipspost_post_aes_ecb
FIPSPOST_KEXT [64659750] fipspost_post:164: PASSED: (0 ms) - fipspost_post_aes_cbc
FIPSPOST_KEXT [72129500] fipspost_post:165: PASSED: (117 ms) - fipspost_post_rsa_sig
FIPSPOST_KEXT [76481625] fipspost_post:166: PASSED: (67 ms) - fipspost_post_ecdsa
FIPSPOST_KEXT [77264187] fipspost_post:167: PASSED: (11 ms) - fipspost_post_ecdh

## gist:907ed33729d0bf7a30425f49f2dbec1e
$ /Applications/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -o why -iosmac_version_min 12.0 why.o
ld: warning: Auto-Linking library not found for -lswiftCore
ld: warning: Auto-Linking library not found for -lswiftSwiftOnoneSupport
$ /Applications/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/otool -l why
why:
Mach header
      magic cputype cpusubtype  caps    filetype ncmds sizeofcmds      flags
 0xfeedfacf 16777223          3  0x00           2    14        920 0x00000085
Load command 0
      cmd LC_SEGMENT_64

## iosmac.txt
$ grep -r iosmac .
Binary file ./Developer/Platforms/AppleTVOS.platform/Developer/Library/CoreSimulator/Profiles/Runtimes/tvOS.simruntime/Contents/Resources/RuntimeRoot/System/Library/PrivateFrameworks/UIKitCore.framework/UIKitCore matches
Binary file ./Developer/Platforms/AppleTVOS.platform/Developer/Library/CoreSimulator/Profiles/Runtimes/tvOS.simruntime/Contents/Resources/RuntimeRoot/System/Library/PrivateFrameworks/RemoteTextInput.framework/RemoteTextInput matches
Binary file ./Developer/Platforms/iPhoneOS.platform/Developer/Library/CoreSimulator/Profiles/Runtimes/iOS.simruntime/Contents/Resources/RuntimeRoot/System/Library/PrivateFrameworks/RemoteTextInput.framework/RemoteTextInput matches
Binary file ./Developer/Platforms/iPhoneOS.platform/Developer/Library/CoreSimulator/Profiles/Runtimes/iOS.simruntime/Contents/Resources/RuntimeRoot/Applications/News.app/News matches
Binary file ./Developer/Platforms/WatchOS.platform/Developer/Library/CoreSimulator/Profiles/Runtimes/watchOS.simruntime/Contents/Resource

## modem-crash.txt
<6>[ 1968.201609] subsys-restart: __subsystem_get(): Changing subsys fw_name to modem
<6>[ 1968.201625] IPA received MPSS BEFORE_POWERUP
<6>[ 1968.201629] IPA BEFORE_POWERUP handling is complete
<6>[ 1968.279767] pil-q6v5-mss fc880000.qcom,mss: modem: loading from 0x0000000007000000 to 0x000000000ca00000
<3>[ 1968.280478] M-Notify: General: 6
<6>[ 1968.296224] pil-q6v5-mss fc880000.qcom,mss: MBA: loading from 0x00000000c6300000 to 0x00000000c6400000
<6>[ 1968.364897] pil-q6v5-mss fc880000.qcom,mss: MBA boot done
<6>[ 1969.758085] pil-q6v5-mss fc880000.qcom,mss: modem: Brought out of reset
<6>[ 1969.822542] msm8994-asoc-snd fe034000.sound: msm8994_asoc_machine_probe: No hdmi audio support
<3>[ 1969.823033] msm8994-asoc-snd fe034000.sound: ASoC: CODEC tomtom_codec not registered

## exportit.sh
set -e
mkdir pmOS_boot pmOS_root || true
umount pmOS_boot || true
umount pmOS_root || true
kpartx -as /media/zhuowei/redhd/docs/pmbootstrap/chroot_native/home/user/rootfs/huawei-angler.img
mount `findfs LABEL="pmOS_boot"` pmOS_boot
mount `findfs LABEL="pmOS_root"` pmOS_root
service nfs-kernel-server restart