mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-17 01:04:19 +08:00
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
/*
|
|
* wakeup.ld
|
|
*
|
|
* Linker script for the real-mode wakeup code
|
|
*/
|
|
#undef i386
|
|
#include "wakeup.h"
|
|
|
|
OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
|
|
OUTPUT_ARCH(i386)
|
|
ENTRY(_start)
|
|
|
|
SECTIONS
|
|
{
|
|
. = 0;
|
|
.text : {
|
|
*(.text*)
|
|
}
|
|
|
|
. = ALIGN(16);
|
|
.rodata : {
|
|
*(.rodata*)
|
|
}
|
|
|
|
.videocards : {
|
|
video_cards = .;
|
|
*(.videocards)
|
|
video_cards_end = .;
|
|
}
|
|
|
|
. = ALIGN(16);
|
|
.data : {
|
|
*(.data*)
|
|
}
|
|
|
|
.signature : {
|
|
end_signature = .;
|
|
LONG(0x65a22c82)
|
|
}
|
|
|
|
. = ALIGN(16);
|
|
.bss : {
|
|
__bss_start = .;
|
|
*(.bss)
|
|
__bss_end = .;
|
|
}
|
|
|
|
. = HEADER_OFFSET;
|
|
.header : {
|
|
*(.header)
|
|
}
|
|
|
|
. = ALIGN(16);
|
|
_end = .;
|
|
|
|
/DISCARD/ : {
|
|
*(.note*)
|
|
}
|
|
|
|
/*
|
|
* The ASSERT() sink to . is intentional, for binutils 2.14 compatibility:
|
|
*/
|
|
. = ASSERT(_end <= WAKEUP_SIZE, "Wakeup too big!");
|
|
}
|