PlayStation Development Network

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git clone https://github.com/XaviDCR92/pcsxr
cd pcsxr/
mkdir build && cd build
cmake -G Ninja -DCMAKE_BUILD_TYPE=Debug .. && cmake --build .

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cd gui && ./pcsxr

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mipsel-unknown-elf-gdb your-game.elf --tui # --tui not needed, but helpful nonetheless
target remote 3333
b main
c

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(gdb) target remote :3333
Remote debugging using :3333
0xbfc00000 in ?? ()
(gdb) b main
Breakpoint 1 at 0x80020000
(gdb) c
Continuing.

Program stopped.
0x80020000 in main ()

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{
    "version": "0.2.0",
    "configurations":
    [
        {
            "type": "gdb",
            "request": "launch",
            "name": "Launch Program",
            "target": "Set application name e.g.: ${workspaceFolder}/my-game.elf",
            "cwd": "${workspaceFolder}",
            "gdbpath": "mipsel-unknown-elf-gdb",
            "autorun":
            [
                "target remote :3333",
                "b main",
                "c",
                "d"
            ],
            "valuesFormatting": "prettyPrinters"
        }
    ]
}

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(gdb) set arch mips
The target architecture is set to "mips".
(gdb) set endian little
The target is set to little endian.
(gdb) set debug remote 1
(gdb) target extended-remote :3333
Remote debugging using :3333
Sending packet: $qSupported:multiprocess+;swbreak+;hwbreak+;qRelocInsn+;fork-events+;vfork-events+;exec-events+;vContSupported+;QThreadEvents+;no-resumed+;xmlRegisters=i386#6a...Remote communication error.  Target disconnected.: Connection reset by peer.

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./pcsxr -gdb
GDB server started on port 3333.
Accepted gdb connection
pthread_join(): No such file or directory
Terminated active gdb connection
Closed gdb server

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./pcsxr -gdb
GDB server started on port 3333.
Accepted gdb connection
send():: Broken pipe
send():: Broken pipe
send():: Broken pipe
send():: Broken pipe
send():: Broken pipe
send():: Broken pipe
send():: Broken pipe

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gdb-multiarch 
Exception caught while booting Guile.
Error in function "make_objcode_from_file":
bad header on object file: "\x7fELF\x02\x01\x01ÿ\x00\x00\x00\x00\x00\x00\x00\x00"
gdb-multiarch: warning: Could not complete Guile gdb module initialization from:
/usr/share/gdb/guile/gdb/boot.scm.
Limited Guile support is available.
Suggest passing --data-directory=/path/to/gdb/data-directory.

[...]

(gdb) set arch mips
The target architecture is set to "mips".
(gdb) set endian little
The target is set to little endian.
(gdb) target remote localhost:3333
Remote debugging using localhost:3333
Ignoring packet error, continuing...
warning: unrecognized item "timeout" in "qSupported" response
Ignoring packet error, continuing...
Remote replied unexpectedly to 'vMustReplyEmpty': timeout
(gdb) disass *main
No symbol table is loaded.  Use the "file" command.
(gdb) c
The program is not being run.

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[#0] 0x451c9b → WriteSocket(client_socket=0xc, buffer=0x7fffe7afe3c4, len=0x1)
[#1] 0x491bac → dbg_sys_putchar(ch=0x24)
[#2] 0x492e27 → dbg_send_packet(pkt_data=0x7fffe7afe4d0 "S00F", pkt_len=0x3)
[#3] 0x493a1a → dbg_send_signal_packet(buf=0x7fffe7afe4d0 "S00F", buf_len=0x258, signal=0x0)
[#4] 0x493b5f → dbg_main(state=0x7fffe7afe760)
[#5] 0x492771 → loop(args=0x0)
[#6] 0x7ffff71ca3e9 → start_thread()
[#7] 0x7ffff5358293 → clone()