Simple startup code written in C only

To understand:

Why without "entry" in linker script, the execution blocks after the isr_vector section, without jumping to reset_hanlder?

Name		Name	Last commit message	Last commit date
Latest commit History 4 Commits
.devcontainer		.devcontainer
.github		.github
.vscode		.vscode
.gdbinit		.gdbinit
.gitignore		.gitignore
.old.gdbinit		.old.gdbinit
Makefile		Makefile
Makefile.conf		Makefile.conf
README.md		README.md
gcc_arm.ld		gcc_arm.ld
gdb_segger.bat		gdb_segger.bat
main.c		main.c
openocd_nuvoton.bat		openocd_nuvoton.bat
startup.c		startup.c