Commit 5ebb73b6 authored by Mao Minkai's avatar Mao Minkai Committed by guzitao
Browse files

sw64: do not discard exit text at link time 

Sunway inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I8CCRP



--------------------------------

Discard .exit.text and .exit.data sections at runtime, not link time, to
deal with referenced in section __jump_table.

Signed-off-by: default avatarMao Minkai <maominkai@wxiat.com>
Reviewed-by: default avatarHe Sheng <hesheng@wxiat.com>
Signed-off-by: default avatarGu Zitao <guzitao@wxiat.com>
parent 77da0802

arch/sw_64/kernel/vmlinux.lds.S

+10 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0 */



#define RUNTIME_DISCARD_EXIT

#define EMITS_PT_NOTE

#define RO_EXCEPTION_TABLE_ALIGN	16
@@ -39,6 +40,15 @@ SECTIONS 
	__init_begin = ALIGN(PAGE_SIZE);

	INIT_TEXT_SECTION(PAGE_SIZE)

	INIT_DATA_SECTION(16)

	/* we have to discard exit text and such at runtime, not link time */

	.exit.text :

	{

		EXIT_TEXT

	}

	.exit.data :

	{

		EXIT_DATA

	}

	PERCPU_SECTION(L1_CACHE_BYTES)



	/*