生成 elf 文件时 linker 脚本文件如何工作

Question

I am using linker script file to generate specific elf file.I add this code to lscript.ld

.test : {
    *(.text.ssc_entry)
    *main.o(.text)
    *main.o(.text.*)
} > ins_lmb_bram_if_cntlr_0_Mem_data_lmb_bram_if_cntlr_1_Mem

After I successfully generated the elf file, I checked the contents of.text.ssc_entry in main.o and 。test in elf. They are identical on the right two bytes, but have different left two bytes. I wonder if this is a normal result or something went wrong to cause this result

Answer 1

They are identical on the right two bytes, but have different left two bytes.

If by "left two bytes" you mean the (two-byte) file offset, and the "right two bytes" you mean the 16-byte file contents, then yes: everything is working as expected here: in the linked file the location of the .test section is different from the location of the .text.scc_entry in the main.o .