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bsd-user: Implement mmap(2) and munmap(2)

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Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230925182709.4834-13-kariem.taha2.7@gmail.com>
This commit is contained in:
Stacey Son 2023-09-25 21:26:58 +03:00 • committed by Warner Losh
parent 6765e988e1
commit 87dcb4ad48
2 changed files with 29 additions and 0 deletions
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20
bsd-user/bsd-mem.h
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@ -61,4 +61,24 @@ extern struct bsd_shm_regions bsd_shm_regions[];
extern abi_ulong target_brk;
extern abi_ulong initial_target_brk;
/* mmap(2) */
static inline abi_long do_bsd_mmap(void *cpu_env, abi_long arg1, abi_long arg2,
abi_long arg3, abi_long arg4, abi_long arg5, abi_long arg6, abi_long arg7,
abi_long arg8)
{
if (regpairs_aligned(cpu_env) != 0) {
arg6 = arg7;
arg7 = arg8;
}
return get_errno(target_mmap(arg1, arg2, arg3,
target_to_host_bitmask(arg4, mmap_flags_tbl),
arg5, target_arg64(arg6, arg7)));
}
/* munmap(2) */
static inline abi_long do_bsd_munmap(abi_long arg1, abi_long arg2)
{
return get_errno(target_munmap(arg1, arg2));
}
#endif /* BSD_USER_BSD_MEM_H */