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--relax enables all relaxations. --no-relax-gp disables GP relaxation to allow measuring its effect. The option can test effectiveness of GP relaxation and support some ABI variants that use GP for other purposes. Link: https://github.com/riscv-non-isa/riscv-elf-psabi-doc/issues/298 bfd/ * elfnn-riscv.c (struct riscv_elf_link_hash_table): Add params. (riscv_elfNN_set_options): New. (riscv_info_to_howto_rela): Check relax_gp. (_bfd_riscv_relax_section): Likewise. * elfxx-riscv.h (struct riscv_elf_params): New. (riscv_elf32_set_options): New. (riscv_elf64_set_options): New. ld/ * emultempl/riscvelf.em: Add option parsing. * testsuite/ld-riscv-elf/code-model-relax-medlow-01-norelaxgp.d: New. * testsuite/ld-riscv-elf/pcgp-relax-01-norelaxgp.d: New. * testsuite/ld-riscv-elf/pcgp-relax-02.d: Test --relax --relax-gp can be used together.
The files in this directory are sourced by genscripts.sh, after
setting some variables to substitute in, to produce
C source files that contain jump tables for each emulation.
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