[PATCH 1/2] vmlinux.lds.h: Allow architectures to add sections to the front of .bss
From: David Daney <hidden>
Date: 2012-08-14 18:08:34
Also in:
linux-mips, lkml
Subsystem:
generic include/asm header files, the rest · Maintainers:
Arnd Bergmann, Linus Torvalds
From: David Daney <redacted> Follow-on MIPS patch will put an object here that needs 64K alignment to minimize padding. For those architectures that don't define BSS_FIRST_SECTIONS, there is no change. Signed-off-by: David Daney <redacted> --- include/asm-generic/vmlinux.lds.h | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 4e2e1cc..d1ea7ce 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h@@ -530,9 +530,18 @@ *(.scommon) \ } +/* + * Allow archectures to redefine BSS_FIRST_SECTIONS to add extra + * sections to the front of bss. + */ +#ifndef BSS_FIRST_SECTIONS +#define BSS_FIRST_SECTIONS +#endif + #define BSS(bss_align) \ . = ALIGN(bss_align); \ .bss : AT(ADDR(.bss) - LOAD_OFFSET) { \ + BSS_FIRST_SECTIONS \ *(.bss..page_aligned) \ *(.dynbss) \ *(.bss) \
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1.7.2.3