linux/arch/x86/boot/compressed/vmlinux.lds.S
Kees Cook 414d2ff5e5 x86/boot/compressed: Add missing debugging sections to output
Include the missing DWARF and STABS sections in the compressed image,
when they are present.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20200821194310.3089815-29-keescook@chromium.org
2020-09-01 10:03:18 +02:00

118 lines
2.0 KiB
ArmAsm

/* SPDX-License-Identifier: GPL-2.0 */
#include <asm-generic/vmlinux.lds.h>
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 = . ;
}
.data : {
_data = . ;
*(.data)
*(.data.*)
*(.bss.efistub)
_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
. = ALIGN(PAGE_SIZE); /* keep ZO size page aligned */
_end = .;
STABS_DEBUG
DWARF_DEBUG
ELF_DETAILS
DISCARDS
/DISCARD/ : {
*(.dynamic) *(.dynsym) *(.dynstr) *(.dynbss)
*(.hash) *(.gnu.hash)
*(.note.*)
}
.got.plt (INFO) : {
*(.got.plt)
}
ASSERT(SIZEOF(.got.plt) == 0 ||
#ifdef CONFIG_X86_64
SIZEOF(.got.plt) == 0x18,
#else
SIZEOF(.got.plt) == 0xc,
#endif
"Unexpected GOT/PLT entries detected!")
/*
* Sections that should stay zero sized, which is safer to
* explicitly check instead of blindly discarding.
*/
.got : {
*(.got)
}
ASSERT(SIZEOF(.got) == 0, "Unexpected GOT entries detected!")
.plt : {
*(.plt) *(.plt.*)
}
ASSERT(SIZEOF(.plt) == 0, "Unexpected run-time procedure linkages detected!")
.rel.dyn : {
*(.rel.*) *(.rel_*)
}
ASSERT(SIZEOF(.rel.dyn) == 0, "Unexpected run-time relocations (.rel) detected!")
.rela.dyn : {
*(.rela.*) *(.rela_*)
}
ASSERT(SIZEOF(.rela.dyn) == 0, "Unexpected run-time relocations (.rela) detected!")
}