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| author | Michael Brown <mcb30@ipxe.org> | 2011-02-22 19:36:24 +0000 |
|---|---|---|
| committer | Michael Brown <mcb30@ipxe.org> | 2011-02-22 21:02:00 +0000 |
| commit | 623469de5d307ee6d762ad30988ffbfbc53741b6 (patch) | |
| tree | c30f937ccd76d6b1f824a126afd331590dda7e32 /src/arch/x86_64 | |
| parent | f3c72660a7993ca21e0af125f052a21ade54039a (diff) | |
| download | ipxe-623469de5d307ee6d762ad30988ffbfbc53741b6.tar.gz | |
[build] Eliminate unused sections at link-time
Use -ffunction-sections, -fdata-sections, and --gc-sections to
automatically prune out any unreferenced sections.
This saves around 744 bytes (uncompressed) from the rtl8139.rom build.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/arch/x86_64')
| -rw-r--r-- | src/arch/x86_64/scripts/linux.lds | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/arch/x86_64/scripts/linux.lds b/src/arch/x86_64/scripts/linux.lds index 34eb3561b..3bcd7aa1b 100644 --- a/src/arch/x86_64/scripts/linux.lds +++ b/src/arch/x86_64/scripts/linux.lds @@ -51,7 +51,7 @@ SECTIONS { _data = .; *(.data) *(.data.*) - *(SORT(.tbl.*)) /* Various tables. See include/tables.h */ + KEEP(*(SORT(.tbl.*))) _edata = .; } @@ -77,6 +77,7 @@ SECTIONS { .weak 0x0 : { _weak = .; *(.weak) + *(.weak.*) _eweak = .; } _assert = ASSERT ( ( _weak == _eweak ), ".weak is non-zero length" ); @@ -97,5 +98,6 @@ SECTIONS { *(.rel) *(.rel.*) *(.discard) + *(.discard.*) } } |