Autoloader for custom "Game" plug-ins

[juusso]

i made the same:

I have put the gdb binary and the gdbtrick.sh script (the one last posted by Arris69) in the mtd_rwarea.

i left just channelinfo in gdbtrick.sh:

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#!/bin/sh
### begin configure me
# gdb_binary: where your gdb binary resides
gdb_binary=/mtd_rwarea/
# gdb_commands: this is a temporary file where gdb commands are stored
gdb_commands=/mtd_rwarea/gdbtrick.gdb
# gdb_delay: gdb will be scheduled to run after $gdb_delay seconds
#            this is for letting exeDSP to settle down at TV startup
gdb_delay=30
# libraries: absolute path of libraries to be loaded
#            there can be several, separated spaces!!
#            this script requires paths WITHOUT spaces
libraries="/mtd_tlib/GGame/channelinfo/loader.so" # add more libraries here
### end configure me

and after i run the script i am getting error

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 #mtd_rwarea/gdbtrick.sh
The following commands:
---
attach 49
detach
---
will be executed by /mtd_rwarea/ in 30 secs!!

# mtd_rwarea/gdbtrick.sh: mtd_rwarea/gdbtrick.sh: 38: /mtd_rwarea/: Permission denied

The 38th line is

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{ sleep $gdb_delay; $gdb_binary -batch -x $gdb_commands; } &

what am i doing wrong? I chmoded gdb and gdbtrichk.sh to 755, what else?

[juusso]

I think you simply need to replace "gdb_binary=/mtd_rwarea/" by "gdb_binary=/mtd_rwarea/gdb"

Nothing happends. I use your script to run manualy. gdb library is placed in /mtd_rwarea/gdb. script is placed in /mtd_rwarea/. I stil get the same permission denied error. I seems that some permissions are not set, but why i allways get the same last line error?

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localhost login: root
-sh: id: not found
# mtd_rwarea/gdbtrick.sh
The following commands:
---
attach 48
detach
---
will be executed by /mtd_rwarea/gdb in 5 secs!!

# mtd_rwarea/gdbtrick.sh: mtd_rwarea/gdbtrick.sh: 33: /mtd_rwarea/gdb: Permission denied
#

the script (called manually) does not return me the command-prompt cursor to, i have to press control-C to get it back.

[juusso]

gdb binary (sorry for library ) is placed in /mtd_rwarea/gdb/gdb and chmoded to 755. Directory /mtd_rwarea/gdb/ chmoded to 777. Script is placed in /mtd_rwarea/ and chmoded to 755. /mtd_tlib/GGame/channelinfo/loader.so is in right place too and works well if loaded from game_menu. Here is my script

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#!/bin/sh
### begin configure me
# gdb_binary: where your gdb binary resides
gdb_binary=/mtd_rwarea/gdb/
# gdb_commands: this is a temporary file where gdb commands are stored
gdb_commands=/mtd_rwarea/gdbtrick.gdb
# gdb_delay: gdb will be scheduled to run after $gdb_delay seconds
#            this is for letting exeDSP to settle down at TV startup
gdb_delay=5
# libraries: absolute path of libraries to be loaded
#            there can be several, separated spaces!!
#            this script requires paths WITHOUT spaces
#libraries="/mtd_tlib/GGame/channelinfo/loader.so /mtd_tlib/GGame/avrfix2/telnet.so /mtd_tlib/GGame/Switch/loader.so" # add more libraries here
libraries="/mtd_tlib/GGame/channelinfo/loader.so" # add more libraries here
### end configure me
exeDSP_PID=$(pidof exeDSP)
temp='attach '$exeDSP_PID'\n'
i=0
for l in $libraries
do
        if [ -e "$l" ] ;then
                temp=$temp'call dlopen("'$l'", 2)\n'
                let i++
                temp=$temp'call dlsym($'$i', "Game_Main")\n'
                let i++
                temp=$temp'call $'$i'("'${l%/*}/'", 0)\n'
                let i++
        fi
done
temp=$temp'detach\n'
echo -e 'The following commands:\n---\n'$temp'---\nwill be executed by '$gdb_binary' in '$gdb_delay' secs!!\n'
echo -e $temp >$gdb_commands
{ sleep $gdb_delay; $gdb_binary -batch -x $gdb_commands; rm $gdb_commands; } &

and output:

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# chmod 755 mtd_rwarea/gdb
# /mtd_rwarea/gdbtrick.sh
The following commands:
---
attach 48
call dlopen("/mtd_tlib/GGame/channelinfo/loader.so", 2)
call dlsym($1, "Game_Main")
call $2("/mtd_tlib/GGame/channelinfo/", 0)
detach
---
will be executed by /mtd_rwarea/gdb/ in 5 secs!!

# /mtd_rwarea/gdbtrick.sh: /mtd_rwarea/gdbtrick.sh: 33: /mtd_rwarea/gdb/: Permission denied

i tried to create an empty file, no success:
touch /mtd_rwarea/gdbtrick.gdb and chmod 777 /mtd_rwarea/gdbtrick.gdb