85 lines
2.1 KiB
ArmAsm
85 lines
2.1 KiB
ArmAsm
|
/*
|
||
|
|
* Linker script for vsyscall DSO. The vsyscall page is an ELF shared
|
||
|
|
* object prelinked to its virtual address, and with only one read-only
|
||
|
|
* segment (that fits in one page). This script controls its layout.
|
||
|
|
*/
|
||
|
|
#include <asm/asm-offsets.h>
|
||
|
|
|
||
|
|
#ifdef CONFIG_CPU_LITTLE_ENDIAN
|
||
|
|
OUTPUT_FORMAT("elf32-sh-linux", "elf32-sh-linux", "elf32-sh-linux")
|
||
|
|
#else
|
||
|
|
OUTPUT_FORMAT("elf32-shbig-linux", "elf32-shbig-linux", "elf32-shbig-linux")
|
||
|
|
#endif
|
||
|
|
OUTPUT_ARCH(sh)
|
||
|
|
|
||
|
|
/* The ELF entry point can be used to set the AT_SYSINFO value. */
|
||
|
|
ENTRY(__kernel_vsyscall);
|
||
|
|
|
||
|
|
SECTIONS
|
||
|
|
{
|
||
|
|
. = SIZEOF_HEADERS;
|
||
|
|
|
||
|
|
.hash : { *(.hash) } :text
|
||
|
|
.gnu.hash : { *(.gnu.hash) }
|
||
|
|
.dynsym : { *(.dynsym) }
|
||
|
|
.dynstr : { *(.dynstr) }
|
||
|
|
.gnu.version : { *(.gnu.version) }
|
||
|
|
.gnu.version_d : { *(.gnu.version_d) }
|
||
|
|
.gnu.version_r : { *(.gnu.version_r) }
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This linker script is used both with -r and with -shared.
|
||
|
|
* For the layouts to match, we need to skip more than enough
|
||
|
|
* space for the dynamic symbol table et al. If this amount
|
||
|
|
* is insufficient, ld -shared will barf. Just increase it here.
|
||
|
|
*/
|
||
|
|
. = 0x400;
|
||
|
|
|
||
|
|
.text : { *(.text) } :text =0x90909090
|
||
|
|
.note : { *(.note.*) } :text :note
|
||
|
|
.eh_frame_hdr : { *(.eh_frame_hdr ) } :text :eh_frame_hdr
|
||
|
|
.eh_frame : {
|
||
|
|
KEEP (*(.eh_frame))
|
||
|
|
LONG (0)
|
||
|
|
} :text
|
||
|
|
.dynamic : { *(.dynamic) } :text :dynamic
|
||
|
|
.useless : {
|
||
|
|
*(.got.plt) *(.got)
|
||
|
|
*(.data .data.* .gnu.linkonce.d.*)
|
||
|
|
*(.dynbss)
|
||
|
|
*(.bss .bss.* .gnu.linkonce.b.*)
|
||
|
|
} :text
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Very old versions of ld do not recognize this name token; use the constant.
|
||
|
|
*/
|
||
|
|
#define PT_GNU_EH_FRAME 0x6474e550
|
||
|
|
|
||
|
|
/*
|
||
|
|
* We must supply the ELF program headers explicitly to get just one
|
||
|
|
* PT_LOAD segment, and set the flags explicitly to make segments read-only.
|
||
|
|
*/
|
||
|
|
PHDRS
|
||
|
|
{
|
||
|
|
text PT_LOAD FILEHDR PHDRS FLAGS(5); /* PF_R|PF_X */
|
||
|
|
dynamic PT_DYNAMIC FLAGS(4); /* PF_R */
|
||
|
|
note PT_NOTE FLAGS(4); /* PF_R */
|
||
|
|
eh_frame_hdr PT_GNU_EH_FRAME;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This controls what symbols we export from the DSO.
|
||
|
|
*/
|
||
|
|
VERSION
|
||
|
|
{
|
||
|
|
LINUX_2.6 {
|
||
|
|
global:
|
||
|
|
__kernel_vsyscall;
|
||
|
|
__kernel_sigreturn;
|
||
|
|
__kernel_rt_sigreturn;
|
||
|
|
|
||
|
|
local: *;
|
||
|
|
};
|
||
|
|
}
|