linux/arch/x86/boot/compressed/vmlinux.lds.S
H. Peter Anvin 22a57f5896 x86, setup: Allow global variables and functions in the decompressor
In order for global variables and functions to work in the
decompressor, we need to fix up the GOT in assembly code.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
LKML-Reference: <4C57382E.8050501@zytor.com>
2010-08-02 15:34:44 -07:00

75 lines
1.1 KiB
ArmAsm

#include <asm-generic/vmlinux.lds.h>
OUTPUT_FORMAT(CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT, CONFIG_OUTPUT_FORMAT)
#undef i386
#include <asm/cache.h>
#include <asm/page_types.h>
#ifdef CONFIG_X86_64
OUTPUT_ARCH(i386:x86-64)
ENTRY(startup_64)
#else
OUTPUT_ARCH(i386)
ENTRY(startup_32)
#endif
SECTIONS
{
/* Be careful parts of head_64.S assume startup_32 is at
* address 0.
*/
. = 0;
.head.text : {
_head = . ;
HEAD_TEXT
_ehead = . ;
}
.rodata..compressed : {
*(.rodata..compressed)
}
.text : {
_text = .; /* Text */
*(.text)
*(.text.*)
_etext = . ;
}
.rodata : {
_rodata = . ;
*(.rodata) /* read-only data */
*(.rodata.*)
_erodata = . ;
}
.got : {
_got = .;
KEEP(*(.got.plt))
KEEP(*(.got))
_egot = .;
}
.data : {
_data = . ;
*(.data)
*(.data.*)
_edata = . ;
}
. = ALIGN(L1_CACHE_BYTES);
.bss : {
_bss = . ;
*(.bss)
*(.bss.*)
*(COMMON)
. = ALIGN(8); /* For convenience during zeroing */
_ebss = .;
}
#ifdef CONFIG_X86_64
. = ALIGN(PAGE_SIZE);
.pgtable : {
_pgtable = . ;
*(.pgtable)
_epgtable = . ;
}
#endif
_end = .;
}