iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

riscv: gcov: enable gcov for RISC-V

Browse Source 
This patch enables GCOV code coverage measurement on RISC-V.
Lightly tested on QEMU and Hifive Unleashed board, seems to work as
expected.

Signed-off-by: Zong Li <zong.li@sifive.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
This commit is contained in:
Zong Li 2020-01-02 11:09:54 +08:00 committed by Paul Walmsley
parent ac51e005fe
commit 0da310e82d
2 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/features/debug/gcov-profile-all/arch-support.txt
View File

@ -23,7 +23,7 @@
| openrisc: | TODO | | openrisc: | TODO |
| parisc: | TODO | | parisc: | TODO |
| powerpc: | ok | | powerpc: | ok |
| riscv: | TODO | | riscv: | ok |
| s390: | ok | | s390: | ok |
| sh: | ok | | sh: | ok |
| sparc: | TODO | | sparc: | TODO |

1
arch/riscv/Kconfig
View File

@ -64,6 +64,7 @@ config RISCV
select SPARSEMEM_STATIC if 32BIT select SPARSEMEM_STATIC if 32BIT
select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
select HAVE_ARCH_MMAP_RND_BITS if MMU select HAVE_ARCH_MMAP_RND_BITS if MMU
select ARCH_HAS_GCOV_PROFILE_ALL
config ARCH_MMAP_RND_BITS_MIN config ARCH_MMAP_RND_BITS_MIN
default 18 if 64BIT default 18 if 64BIT