After checking some information, I finally got to know
(InRoot
Sections) to load the image, and this section of code is ∗ (InRoot
Sections) to load the image, and this section of code is ∗ (InRoot
Sections) It is part of __main().
Starting from the startup code
Startup Code
1. Address table for exception/interrupt jumps.
2. Stack initialization
3. Scatter loading image files
IMAGE (image file)
1 RO,
1 RW,
1 ZI.
And the load region and execution region of RO are the same, and this is where
*（InRoot$$Sections）
The main function is to copy the RW area to RAM, and then create the ZI area behind the RW area.
This section exists in the library function __main function.
If you comment it out, a warning will be reported that the segment cannot be found.
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