![]() $ codesign -fs gdb-cert /usr/local/bin/gdb Restart the taskagted service, and sign the binary. Click several times on Continue until you get to the Specify a Location For The Certificate screen, then set Keychain to System.ĭouble click on the certificate, open Trust section, and set Code Signing to Always Trust. Choose menu Keychain Access -> Certificate Assistant -> Create a Certificate…Ĭhoose a name for the certificate (e.g., gdb-cert), set Identity Type to Self Signed Root, set Certificate Type to Code Signing and select the Let me override defaults. To create a code signing certificate, open the Keychain Access application. This signature depends on a particular certificate, which the user must create and register with the system. To enable gdb access to other processes, we must first code sign the binary. This error occurs because OSX implements a pid access policy which requires a digital signature for binaries to access other processes pids. ![]() Start Keychain Access application (/Applications/Utilities/Keychain Access.app) ![]() (please check gdb is codesigned – see taskgated(8)) Unable to find Mach task port for process-id XXXXX: (os/kern) failure (0x5). When initializing gdb on a program (a.out) it will produce the following error: The binary is installed on /usr/local/bin Mac OS X 10.10.2 does not come with gdb pre installed.
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