Comments (3)
kyle-sylvestre
commented on August 25, 2024
I used msvc on windows very early on for debugging the GDB MI record reader. I'm currently using Ubuntu 20.04 on WSL2, g++ version 9.3, vcxsrv for the X11 server.
I cleaned up the makefile, get the latest commits and check the platform section for the shared library dependencies. GLFW is needed for all platforms, libasan and libubsan are needed only if doing a debug build with -fsanitize=undefined,address. Let me know if you hit any other snags while trying to build.
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g40
commented on August 25, 2024
Hi Kyle. Thanks again.
Still cannot get a WSL2 build but thought I'd give it a try on Ubuntu 20.04. See screenshot. GLFW test also present just to show OpenGL is all good.
So everything is more or less up and running but I cannot get the debugger to load and run a test application.
- given a super simple executable
tug_tin./test - start out with
./tug.elf ./test./tug_t. - This fails as GDB apparently ends up trying to attach itself to the spawning process (i.e.
tug).
I'd suggest this needs an example tug.ini file to kickstart things. Also drop the .elf file extension if building on linux?
I can do a PR when this works if you are interested.
Steps involved are relatively painless:
- Set up a known good GLFW.
git clone https://github.com/glfw/glfw.git && cd glfw
sudo apt install cmake
sudo apt install libx11-dev
sudo apt install libxrandr-dev
sudo apt install libxinerama-dev
sudo apt install libxcursor-dev
sudo apt install libxi-dev
cmake .
make clean
make
# N.B. there are now also a bunch of applications in ./test i.e. windows
sudo make install
Install the project...
-- Install configuration: ""
-- Up-to-date: /usr/local/lib/libglfw3.a
-- Up-to-date: /usr/local/include/GLFW
-- Up-to-date: /usr/local/include/GLFW/glfw3.h
-- Up-to-date: /usr/local/include/GLFW/glfw3native.h
-- Up-to-date: /usr/local/lib/cmake/glfw3/glfw3Config.cmake
-- Up-to-date: /usr/local/lib/cmake/glfw3/glfw3ConfigVersion.cmake
-- Up-to-date: /usr/local/lib/cmake/glfw3/glfw3Targets.cmake
-- Up-to-date: /usr/local/lib/cmake/glfw3/glfw3Targets-noconfig.cmake
-- Up-to-date: /usr/local/lib/pkgconfig/glfw3.pc
- Make minor changes to
Makefile
change LIBS += -lpthread -lGL -lglfw to LIBS += -lpthread -lGL -lglfw3 -ldl
- Build with
make
~/src/Tug$ make
g++ -I./third-party -I./src -g3 -gdwarf-2 -std=c++11 -Wall -Wformat -Wextra -Wshadow -pedantic -pthread -DDEBUG -O0 -c -o build_debug/main.o src/main.cpp
g++ -I./third-party -I./src -g3 -gdwarf-2 -std=c++11 -Wall -Wformat -Wextra -Wshadow -pedantic -pthread -DDEBUG -O0 -c -o build_debug/gdb.o src/gdb.cpp
g++ -I./third-party -I./src -g3 -gdwarf-2 -std=c++11 -Wall -Wformat -Wextra -Wshadow -pedantic -pthread -DDEBUG -O0 -c -o build_debug/dlmalloc.o third-party/dlmalloc.cpp
third-party/dlmalloc.cpp:1822:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
1822 | #if USE_LOCKS > 1
| ^~~~~~~~~
third-party/dlmalloc.cpp:1822:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
g++ -I./third-party -I./src -g3 -gdwarf-2 -std=c++11 -Wall -Wformat -Wextra -Wshadow -pedantic -pthread -DDEBUG -O0 -c -o build_debug/imgui.o third-party/imgui/imgui.cpp
g++ -I./third-party -I./src -g3 -gdwarf-2 -std=c++11 -Wall -Wformat -Wextra -Wshadow -pedantic -pthread -DDEBUG -O0 -c -o build_debug/imgui_demo.o third-party/imgui/imgui_demo.cpp
g++ -I./third-party -I./src -g3 -gdwarf-2 -std=c++11 -Wall -Wformat -Wextra -Wshadow -pedantic -pthread -DDEBUG -O0 -c -o build_debug/imgui_draw.o third-party/imgui/imgui_draw.cpp
g++ -I./third-party -I./src -g3 -gdwarf-2 -std=c++11 -Wall -Wformat -Wextra -Wshadow -pedantic -pthread -DDEBUG -O0 -c -o build_debug/imgui_tables.o third-party/imgui/imgui_tables.cpp
g++ -I./third-party -I./src -g3 -gdwarf-2 -std=c++11 -Wall -Wformat -Wextra -Wshadow -pedantic -pthread -DDEBUG -O0 -c -o build_debug/imgui_widgets.o third-party/imgui/imgui_widgets.cpp
g++ -I./third-party -I./src -g3 -gdwarf-2 -std=c++11 -Wall -Wformat -Wextra -Wshadow -pedantic -pthread -DDEBUG -O0 -c -o build_debug/imgui_impl_glfw.o third-party/imgui/imgui_impl_glfw.cpp
g++ -I./third-party -I./src -g3 -gdwarf-2 -std=c++11 -Wall -Wformat -Wextra -Wshadow -pedantic -pthread -DDEBUG -O0 -c -o build_debug/imgui_impl_opengl2.o third-party/imgui/imgui_impl_opengl2.cpp
g++ -o tug.elf build_debug/main.o build_debug/gdb.o build_debug/dlmalloc.o build_debug/imgui.o build_debug/imgui_demo.o build_debug/imgui_draw.o build_debug/imgui_tables.o build_debug/imgui_widgets.o build_debug/imgui_impl_glfw.o build_debug/imgui_impl_opengl2.o -I./third-party -I./src -g3 -gdwarf-2 -std=c++11 -Wall -Wformat -Wextra -Wshadow -pedantic -pthread -DDEBUG -O0 -lpthread -lGL -lglfw3 -ldl
build complete for Linux
- Finally run the resulting binary
tug.elf. This is just to prove we have a build. GDB errors come next.
~/src/Tug$ ./tug.elf
(src/gdb.cpp : 738 : GDB_SendBlockingInternal) Command Timeout: -list-featuresGNU gdb (Ubuntu 9.2-0ubuntu1~20.04.1) 9.2
Copyright (C) 2020 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word".
Attaching to process 7410
Could not attach to process. If your uid matches the uid of the target
process, check the setting of /proc/sys/kernel/yama/ptrace_scope, or try
again as the root user. For more details, see /etc/sysctl.d/10-ptrace.conf
ptrace: Operation not permitted.
(gdb)
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kyle-sylvestre
commented on August 25, 2024
ah the .gitignore was blocking my template tug.ini file. Originally I was blocking just the imgui.ini file generated on startup, it should work now (knock on wood).
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