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hurd: Disable Prefer_MAP_32BIT_EXEC on non-x86_64 for now

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While we could support it on any architecture, the tunable is currently
only defined on x86_64.

Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>
Message-ID: <20240323173301.151066-5-bugaevc@gmail.com>
This commit is contained in:
Sergey Bugaev 2024-03-23 20:32:45 +03:00 committed by Samuel Thibault
parent 49aa652db8
commit 6afeac1289
2 changed files with 2 additions and 2 deletions
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2
sysdeps/mach/hurd/dl-sysdep.c
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@ -457,7 +457,7 @@ __mmap (void *addr, size_t len, int prot, int flags, int fd, off_t offset)
if (prot & PROT_EXEC)
vmprot |= VM_PROT_EXECUTE;
#ifdef __LP64__
#ifdef __x86_64__
if ((addr == NULL) && (prot & PROT_EXEC)
&& HAS_ARCH_FEATURE (Prefer_MAP_32BIT_EXEC))
flags |= MAP_32BIT;

2
sysdeps/mach/hurd/mmap.c
View File

@ -60,7 +60,7 @@ __mmap (void *addr, size_t len, int prot, int flags, int fd, off_t offset)
copy = ! (flags & MAP_SHARED);
anywhere = ! (flags & MAP_FIXED);
#ifdef __LP64__
#ifdef __x86_64__
if ((addr == NULL) && (prot & PROT_EXEC)
&& HAS_ARCH_FEATURE (Prefer_MAP_32BIT_EXEC))
flags |= MAP_32BIT;