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nds32: linker script: GCOV kernel may refers data in __exit 

This patch is used to fix nds32 allmodconfig/allyesconfig build error
because GCOV kernel embeds counters in the kernel for each line
and a part of that embed in __exit text. So we need to keep the
EXIT_TEXT and EXIT_DATA  if CONFIG_GCOV_KERNEL=y.

Link: https://lkml.org/lkml/2018/9/1/125
Signed-off-by: Greentime Hu <greentime@andestech.com>
Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
This commit is contained in:
Greentime Hu 2018-09-04 14:25:57 +08:00
parent ec86539329
commit 3350139c0f
1 changed files with 12 additions and 0 deletions
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12
arch/nds32/kernel/vmlinux.lds.S
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@ -13,14 +13,26 @@ OUTPUT_ARCH(nds32)
ENTRY(_stext_lma) ENTRY(_stext_lma)
jiffies = jiffies_64; jiffies = jiffies_64;
#if defined(CONFIG_GCOV_KERNEL)
#define NDS32_EXIT_KEEP(x) x
#else
#define NDS32_EXIT_KEEP(x)
#endif
SECTIONS SECTIONS
{ {
_stext_lma = TEXTADDR - LOAD_OFFSET; _stext_lma = TEXTADDR - LOAD_OFFSET;
. = TEXTADDR; . = TEXTADDR;
__init_begin = .; __init_begin = .;
HEAD_TEXT_SECTION HEAD_TEXT_SECTION
.exit.text : {
NDS32_EXIT_KEEP(EXIT_TEXT)
}
INIT_TEXT_SECTION(PAGE_SIZE) INIT_TEXT_SECTION(PAGE_SIZE)
INIT_DATA_SECTION(16) INIT_DATA_SECTION(16)
.exit.data : {
NDS32_EXIT_KEEP(EXIT_DATA)
}
PERCPU_SECTION(L1_CACHE_BYTES) PERCPU_SECTION(L1_CACHE_BYTES)
__init_end = .; __init_end = .;