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From: Szabolcs Nagy <nsz@sourceware.org> To: glibc-cvs@sourceware.org Subject: [glibc/arm/morello/main] aarch64: morello: define PROT_MAX Date: Thu, 27 Oct 2022 13:53:32 +0000 (GMT) [thread overview] Message-ID: <20221027135332.B3DA8385151B@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f3dfce19234c08bc08f324097ae22e5095ebabdd commit f3dfce19234c08bc08f324097ae22e5095ebabdd Author: Szabolcs Nagy <szabolcs.nagy@arm.com> Date: Fri Oct 21 12:10:11 2022 +0100 aarch64: morello: define PROT_MAX Specifies the prot flags a mapping may gain via mprotect or MAP_FIXED. On CHERI targets this is used to get capability with more permissions than the original mmap protection would imply. Diff: --- sysdeps/unix/sysv/linux/aarch64/bits/mman.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sysdeps/unix/sysv/linux/aarch64/bits/mman.h b/sysdeps/unix/sysv/linux/aarch64/bits/mman.h index d7ac2fa993..8dbd8d6819 100644 --- a/sysdeps/unix/sysv/linux/aarch64/bits/mman.h +++ b/sysdeps/unix/sysv/linux/aarch64/bits/mman.h @@ -25,6 +25,9 @@ #define PROT_BTI 0x10 #define PROT_MTE 0x20 +#ifdef __CHERI_PURE_CAPABILITY__ +# define PROT_MAX(prot) ((prot) << 16) +#endif #include <bits/mman-map-flags-generic.h>
next reply other threads:[~2022-10-27 13:53 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-10-27 13:53 Szabolcs Nagy [this message] -- strict thread matches above, loose matches on Subject: below -- 2022-11-23 14:43 Szabolcs Nagy 2022-10-26 15:14 Szabolcs Nagy 2022-10-26 14:49 Szabolcs Nagy
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