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ARM-CGT: ti_cgt_armllvm_2.1.3.LTS compiler

Part Number: ARM-CGT

Hello,

I am right now working on ti_cgt_armllvm_2.1.3.LTS compiler.

there is a simple demo in this link https://software-dl.ti.com/codegen/docs/tiarmclang/compiler_tools_user_guide/compiler_manual/linker_description/04_linker_options/basic-options.html

tiarmclang file1.c.o file2.c.o -Wl,--map_file=a.map, 
however when I tried it can not recgonize this option, I changed it to
tiarmclang file1.c.o file2.c.o -Wl,-ma, it works the file file is a.
1. why it is different from the document
2. does the linker support output the linker file to a specify path? I tried, it did not work. is there an example?
3. How to invoke the linker script with tiarmclang? is the linker command file similiar to the linker script? I try to invoke a gnu style linker script, seems the linker can not recgonize some
syntax, line number 56 report this issue: expecting output section, GROUP, or UNION instead of "=", how to define a symbol in the linker command file? Is there some example?

,