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| /openbmc/linux/arch/mips/boot/compressed/ |
| H A D | Makefile | 8b3165e5 Thu Dec 03 01:22:51 CST 2020 Xingxing Su <suxingxing@loongson.cn> MIPS: Enable GCOV
Enable gcov profiling of the entire kernel on mips. Required changes
include disabling profiling for:
* arch/kernel/boot/compressed: not linked to main kernel.
Lightly tested on Loongson 3A3000 an 3A4000, seems to work as expected.
without "GCOV_PROFILE := n" in compressed Makefile,
build errors as follows:
...
ld: arch/mips/boot/compressed/string.o:(.data+0x88):
undefined reference to `__gcov_merge_add'
ld: arch/mips/boot/compressed/string.o:
in function `_GLOBAL__sub_I_00100_0_memcpy':
string.c:(.text.startup+0x4): undefined reference to `__gcov_init'
ld: arch/mips/boot/compressed/string.o:
in function `_GLOBAL__sub_D_00100_1_memcpy':
string.c:(.text.exit+0x0): undefined reference to `__gcov_exit'
...
Signed-off-by: Youling Tang <tangyouling@loongson.cn>
Signed-off-by: Xingxing Su <suxingxing@loongson.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
|
| /openbmc/linux/arch/mips/ |
| H A D | Kconfig | 8b3165e5 Thu Dec 03 01:22:51 CST 2020 Xingxing Su <suxingxing@loongson.cn> MIPS: Enable GCOV
Enable gcov profiling of the entire kernel on mips. Required changes
include disabling profiling for:
* arch/kernel/boot/compressed: not linked to main kernel.
Lightly tested on Loongson 3A3000 an 3A4000, seems to work as expected.
without "GCOV_PROFILE := n" in compressed Makefile,
build errors as follows:
...
ld: arch/mips/boot/compressed/string.o:(.data+0x88):
undefined reference to `__gcov_merge_add'
ld: arch/mips/boot/compressed/string.o:
in function `_GLOBAL__sub_I_00100_0_memcpy':
string.c:(.text.startup+0x4): undefined reference to `__gcov_init'
ld: arch/mips/boot/compressed/string.o:
in function `_GLOBAL__sub_D_00100_1_memcpy':
string.c:(.text.exit+0x0): undefined reference to `__gcov_exit'
...
Signed-off-by: Youling Tang <tangyouling@loongson.cn>
Signed-off-by: Xingxing Su <suxingxing@loongson.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
|