diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2018-05-09 15:00:00 +0200 |
|---|---|---|
| committer | Masahiro Yamada <yamada.masahiro@socionext.com> | 2018-05-17 15:45:01 +0200 |
| commit | 5d20ee3192a58750ef8cc24b21aad23a82689be0 (patch) | |
| tree | 7a91f8a8ee8ab7126f6d36bad1b0b121746a60c3 /arch/Kconfig | |
| parent | kbuild: LD_DEAD_CODE_DATA_ELIMINATION no -ffunction-sections/-fdata-sections ... (diff) | |
| download | linux-5d20ee3192a58750ef8cc24b21aad23a82689be0.tar.xz linux-5d20ee3192a58750ef8cc24b21aad23a82689be0.zip | |
kbuild: Allow LD_DEAD_CODE_DATA_ELIMINATION to be selectable if enabled
Architectures that are capable can select
HAVE_LD_DEAD_CODE_DATA_ELIMINATION to enable selection of that
option (as an EXPERT kernel option).
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'arch/Kconfig')
| -rw-r--r-- | arch/Kconfig | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index 706dec4d295a..c88fa0eb49df 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -596,21 +596,6 @@ config CC_STACKPROTECTOR_AUTO endchoice -config LD_DEAD_CODE_DATA_ELIMINATION - bool - help - Select this if the architecture wants to do dead code and - data elimination with the linker by compiling with - -ffunction-sections -fdata-sections and linking with - --gc-sections. - - This requires that the arch annotates or otherwise protects - its external entry points from being discarded. Linker scripts - must also merge .text.*, .data.*, and .bss.* correctly into - output sections. Care must be taken not to pull in unrelated - sections (e.g., '.text.init'). Typically '.' in section names - is used to distinguish them from label names / C identifiers. - config HAVE_ARCH_WITHIN_STACK_FRAMES bool help |