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| author | Szabolcs Nagy <nsz@port70.net> | 2020-12-19 21:10:26 +0000 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2021-02-15 09:16:06 -0500 |
| commit | 19239cde94ff08c008b72f041676712dc447b80f (patch) | |
| tree | b1f65d81ff26db1d11f1ebb5cf60757971b9097b /include/sys | |
| parent | 8b29f02370cb3d789da4f57a1db726e5709fccde (diff) | |
| download | musl-19239cde94ff08c008b72f041676712dc447b80f.tar.gz | |
sys/prctl.h: add MTE related constants from linux v5.10
these are for the aarch64 MTE (memory tagging extension), see
linux commit 1c101da8b971a36695319dce7a24711dc567a0dd
arm64: mte: Allow user control of the tag check mode via prctl()
linux commit af5ce95282dc99d08a27a407a02c763dde1c5558
arm64: mte: Allow user control of the generated random tags via prctl()
Diffstat (limited to 'include/sys')
| -rw-r--r-- | include/sys/prctl.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/sys/prctl.h b/include/sys/prctl.h index 4b9fcc05..4ba73f42 100644 --- a/include/sys/prctl.h +++ b/include/sys/prctl.h @@ -157,6 +157,13 @@ struct prctl_mm_map { #define PR_SET_TAGGED_ADDR_CTRL 55 #define PR_GET_TAGGED_ADDR_CTRL 56 #define PR_TAGGED_ADDR_ENABLE (1UL << 0) +#define PR_MTE_TCF_SHIFT 1 +#define PR_MTE_TCF_NONE (0UL << 1) +#define PR_MTE_TCF_SYNC (1UL << 1) +#define PR_MTE_TCF_ASYNC (2UL << 1) +#define PR_MTE_TCF_MASK (3UL << 1) +#define PR_MTE_TAG_SHIFT 3 +#define PR_MTE_TAG_MASK (0xffffUL << 3) #define PR_SET_IO_FLUSHER 57 #define PR_GET_IO_FLUSHER 58 |