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1405d7e60d
Keep common MMAP-related declarations in a single place. Note, this disable ThreadSafetyAnalysis on Linux for: - mmap_fork_start() - mmap_fork_end(). Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Warner Losh <imp@bsdimp.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20250308122842.76377-4-philmd@linaro.org>
32 lines
1,001 B
C
32 lines
1,001 B
C
/*
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* MMAP declarations for QEMU user emulation
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef USER_MMAP_H
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#define USER_MMAP_H
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#include "user/abitypes.h"
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/*
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* mmap_next_start: The base address for the next mmap without hint,
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* increased after each successful map, starting at task_unmapped_base.
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* This is an optimization within QEMU and not part of ADDR_COMPAT_LAYOUT.
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*/
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extern abi_ulong mmap_next_start;
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int target_mprotect(abi_ulong start, abi_ulong len, int prot);
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abi_long target_mmap(abi_ulong start, abi_ulong len, int prot,
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int flags, int fd, off_t offset);
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int target_munmap(abi_ulong start, abi_ulong len);
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abi_long target_mremap(abi_ulong old_addr, abi_ulong old_size,
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abi_ulong new_size, unsigned long flags,
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abi_ulong new_addr);
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abi_ulong mmap_find_vma(abi_ulong start, abi_ulong size, abi_ulong alignment);
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void TSA_NO_TSA mmap_fork_start(void);
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void TSA_NO_TSA mmap_fork_end(int child);
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#endif
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