Dsym

What it does

Debug Symbols in Xcode & app packages.

Helps decipher memory addresses as readable part with crash analytics frameworks.

Before

//before
0   libswiftCore.dylib              0x000000018f3c9380 0x18f394000 + 217984

After dSYMs

//after Symbolicating(dSYM is used)
0   libswiftCore.dylib              0x000000018f3c9380 closure #1 in closure #1 in closure #1 in _assertionFailure+ 217984 (_:_:file:line:flags:) + 452

Location

Xcode

archive -> Show in Finder -> Show package contents

SO | iphone-where-the-dsym-file-is-located-in-crash-report

Finder

Absolute path

/Users/username/Library/Developer/Xcode/DerivedData/Project_Name-/Build/Products

format

APP_TEAM_SR_NO.app.dSYM

find

If you have the UUID you are looking for, you can search the files with the following command:

mdfind "com_apple_xcode_dsym_uuids == <UUID>"

Config

Build Settings

Debug Information Format - DWARF with dSYM File

Debug

dwarfdump CustomFramework.xcframework/ios-arm64-simulator/CustomFramework.framework/CustomFramework

dwarfdump CustomFramework.xcframework/ios-arm64/CustomFramework.framework/CustomFramework > ent_os_framework_analytics.txt

Manual Key dSyms remove

<key>DebugSymbolsPath</key>
<string>dSYMs</string>

Reference

medium | overview-of-dsym-crashlytics-in-ios

SO | whats-the-dsym-and-how-to-use-it-ios-sdk

SO | firebase-crashlytics-upload-missing-dsyms-to-see-crashes-from-1-versions-ios

new-relic-mobile-ios/configuration/retrieve-dsyms-bitcode-apps/

apple dev | diagnosing-issues-using-crash-reports-and-device-logs