[PATCH 0/2] Enable Dead Code Elimination

Kele Zhang 1952088712 at qq.com
Sat Aug 24 01:14:07 PDT 2024


This patch enables `--gc-sections`. Dead Code Elimination (DCE) can
reduce binary size and the attack surface without introducing side
effects, and it has been used in the Linux kernel for many years.

After testing, enabling DCE does not affect the normal functionality of
OpenSBI.

Kele Zhang (2):
  Makefile: enable --gc-sections
  Makefile: Remove -g from default CFLAGS

 Makefile                    | 4 ++--
 firmware/fw_base.ldS        | 1 +
 firmware/fw_payload.elf.ldS | 2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)

-- 
2.34.1




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