[gdbコマンド] Segmentation faultは何を意味しているのか知りたい。

提示画面ですが実行するとSegmentation fault (core dumped)というエラーが出るのでデバッガで調べたのですが結果の意味を理解できません。これは何を意味しているのでしょうか？ Main.cppを全てコメントアウトしても同じ現象が起きます。ソースファイルの保存もしました。

ソースコード全文 : https://54.gigafile.nu/0430-b11ef3ad0805dbde55d7d301a2f429006

環境

OS: ubuntu
利用ライブラリ opengl glew glfw,stb freetype

参考サイト：https://sunadarake.github.io/entry/2019/05/24/112315/

shigurechan@shigurechan-System-Product-Name:~/ドキュメント/FrameWork$ gdb Game
GNU 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: youshigurechan@shigurechan-System-Product-Name:~/ドキュメント/FrameWork$ gdb Game
GNU 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"...
Reading symbols from Game...
(gdb) run
Starting program: /home/shigurechan/ドキュメント/FrameWork/Game 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".

Program received signal SIGSEGV, Segmentation fault.
0x0000000000000000 in ?? ()
(gdb) run
The program being debugged has been started already.
Start it from the beginning? (y or n) y
Starting program: /home/shigurechan/ドキュメント/FrameWork/Game 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".

Program received signal SIGSEGV, Segmentation fault.
0x0000000000000000 in ?? ()
(gdb) 
 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"...
Reading symbols from Game...
(gdb) run
Starting program: /home/shigurechan/ドキュメント/FrameWork/Game 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".

Program received signal SIGSEGV, Segmentation fault.
0x0000000000000000 in ?? ()
(gdb) run
The program being debugged has been started already.
Start it from the beginning? (y or n) y
Starting program: /home/shigurechan/ドキュメント/FrameWork/Game 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".

Program received signal SIGSEGV, Segmentation fault.
0x0000000000000000 in ?? ()
(gdb)

Main.cpp

cpp
1#include <iostream>
2#include <GL/glew.h>
3#include <GLFW/glfw3.h>
4
5#include "../FrameWork/header/FrameWork.hpp"
6
7int main()
8{
9    /*
10    if (glfwInit() == GL_FALSE)
11	{
12		std::cerr << "glfw を初期化出来ません。" << std::endl;
13	}
14
15    std::shared_ptr<FrameWork::Window> window = std::make_shared<FrameWork::Window>(glm::ivec2(640,480),"sample");
16    FrameWork::SetCurrentWindowContext(window);
17
18    if (glewInit() != GLEW_OK)
19	{
20		std::cerr << "glew を初期化出来ません。" << std::endl;
21	}
22
23    while(*window)
24    {
25
26
27
28
29
30
31
32        window->SwapBuffer();
33    }
34
35*/
36
37    return 0;
38}

makefile

makeifle
1PRG         	:=Game
2SRC_DIR     	:=FrameWork/source
3SRC_USE_DIR     :=source
4
5OBJ_DIR     	:=FrameWork/object
6OBJ_USE_DIR     :=object
7
8DEP_DIR     	:=FrameWork/object
9DEP        		:=$(wildcard $(DEP_DIR)/*.d)
10
11SRC         	:=$(wildcard $(SRC_DIR)/*.cpp)
12SRC_USE			:=$(wildcard $(SRC_USE_DIR)/*.cpp)
13
14OBJ         	:=$(addprefix $(OBJ_DIR)/,$(patsubst %.cpp,%.o,$(notdir $(SRC))))
15OBJ_USE     	:=$(addprefix $(OBJ_USE_DIR)/,$(patsubst %.cpp,%.o,$(notdir $(SRC_USE))))
16
17$(PRG): $(OBJ) $(OBJ_USE)
18	$(CXX) $^ -o $@ -ldl -lGLESv2 -lGLU -lGL -lglfw3 -pthread -lGL -lGLEW  -lfreetype -ldl -lX11
19
20$(OBJ_DIR)/%.o: FrameWork/source/%.cpp
21	$(CXX) -g -c -MMD -MP $< -o $@
22-include $(DEP)
23
24$(OBJ_USE_DIR)/%.o: source/%.cpp
25	$(CXX) -g -c -MMD -MP $< -o $@
26-include $(DEP)
27	
28	
29
30
31clean:
32	rm -f ./$(OBJ_USE_DIR)/*.o ./$(OBJ_DIR)/*.o *.out ./$(OBJ_DIR)/*.d ./$(OBJ_USE_DIR)/*.d $(PRG)
33