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It is necessary to generate fixups in .debug_line as relaxation is enabled due to the address delta may be changed after relaxation. DWARF will record the mappings of lines and addresses in .debug_line section. It will encode the information using special opcodes, standard opcodes and extended opcodes in Line Number Program. I use DW_LNS_fixed_advance_pc to encode fixed length address delta and DW_LNE_set_address to encode absolute address to make it possible to generate fixups in .debug_line section. Differential Revision: https://reviews.llvm.org/D46850 llvm-svn: 338477 |
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lit.local.cfg | ||
relax-debug-line.ll |