a5912f6b3e
Older binutils breaks if ASSERT() is used without a sink
for the output.
For example 2.14.90.0.6 is known to be broken, the link
fails with:
LD .tmp_vmlinux1
ld:arch/x86/kernel/vmlinux.lds:678: parse error
Document this quirk in all three files that use it.
See: http://marc.info/?l=linux-kbuild&m=124930110427870&w=2
See[2]: d2ba8b2 ("x86: Fix assert syntax in vmlinux.lds.S")
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Roland McGrath <roland@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
LKML-Reference: <4AD6523D.5030909@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
65 lines
795 B
ArmAsm
65 lines
795 B
ArmAsm
/*
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* wakeup.ld
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*
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* Linker script for the real-mode wakeup code
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*/
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#undef i386
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#include "wakeup.h"
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OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
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OUTPUT_ARCH(i386)
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ENTRY(_start)
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SECTIONS
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{
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. = 0;
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.text : {
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*(.text*)
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}
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. = ALIGN(16);
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.rodata : {
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*(.rodata*)
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}
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.videocards : {
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video_cards = .;
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*(.videocards)
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video_cards_end = .;
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}
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. = ALIGN(16);
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.data : {
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*(.data*)
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}
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.signature : {
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end_signature = .;
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LONG(0x65a22c82)
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}
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. = ALIGN(16);
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.bss : {
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__bss_start = .;
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*(.bss)
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__bss_end = .;
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}
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. = HEADER_OFFSET;
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.header : {
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*(.header)
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}
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. = ALIGN(16);
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_end = .;
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/DISCARD/ : {
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*(.note*)
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}
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/*
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* The ASSERT() sink to . is intentional, for binutils 2.14 compatibility:
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*/
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. = ASSERT(_end <= WAKEUP_SIZE, "Wakeup too big!");
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}
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