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| author | David Daney <david.daney@cavium.com> | 2012-08-14 20:08:00 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2012-10-11 11:02:37 +0200 |
| commit | c87728ca82a1057eb8f84e139bf416ca5488b6fb (patch) | |
| tree | ecf73f882cf210094be75e129bd4071223aca131 | |
| parent | Improve atomic.h robustness (diff) | |
| download | linux-c87728ca82a1057eb8f84e139bf416ca5488b6fb.tar.xz linux-c87728ca82a1057eb8f84e139bf416ca5488b6fb.zip | |
vmlinux.lds.h: Allow architectures to add sections to the front of .bss
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 <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: linux-arch@vger.kernel.org,
Cc: linux-kernel@vger.kernel.org
Acked-by: Arnd Bergmann <arnd@arndb.de>
Patchwork: https://patchwork.linux-mips.org/patch/4221/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| -rw-r--r-- | 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 4e2e1cc505ab..d1ea7ce0b4cb 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) \ |