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linux-user: Add new flag VERIFY_NONE

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This can be used to validate that an address range is mapped but without
being readable or writable.

It will be used by an updated implementation of mincore().

Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20230422100314.1650-2-thomas@t-8ch.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Thomas Weißschuh 2023-04-22 12:03:13 +02:00 committed by Laurent Vivier
parent b67e5cb43b
commit 64d06015f6
1 changed files with 1 additions and 0 deletions
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linux-user/qemu.h
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@ -168,6 +168,7 @@ abi_long do_brk(abi_ulong new_brk);
/* user access */
#define VERIFY_NONE 0
#define VERIFY_READ PAGE_READ
#define VERIFY_WRITE (PAGE_READ | PAGE_WRITE)