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| author | Flavio Cruz <flaviocruz@gmail.com> | 2022-12-16 21:06:25 -0500 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2022-12-17 03:23:52 +0100 |
| commit | e493c4e8c54ece41bd24b209cfb9efc24254214b (patch) | |
| tree | e2d22783de731d40126bb76a35ac0d90e8ae1c0a /i386/include | |
| parent | c00d8d62878434e82b04d5ad5901f938d120debf (diff) | |
| download | gnumach-e493c4e8c54ece41bd24b209cfb9efc24254214b.tar.gz gnumach-e493c4e8c54ece41bd24b209cfb9efc24254214b.tar.bz2 gnumach-e493c4e8c54ece41bd24b209cfb9efc24254214b.zip | |
Use struct for time_value_t and define seconds as long_integer_t.
On 64 bit kernels, seconds will be 64 bits long and won't suffer from
the 2038 problem. We also add a new type rpc_time_value_t to handle the
conversion between 32 bit userland and 64 bit kernel.
Message-Id: <Y50kIaIgaIdGjDAk@mars>
Diffstat (limited to 'i386/include')
| -rwxr-xr-x | i386/include/mach/i386/machine_types.defs | 16 | ||||
| -rw-r--r-- | i386/include/mach/i386/vm_types.h | 8 |
2 files changed, 22 insertions, 2 deletions
diff --git a/i386/include/mach/i386/machine_types.defs b/i386/include/mach/i386/machine_types.defs index f3de1e44..d1b61be9 100755 --- a/i386/include/mach/i386/machine_types.defs +++ b/i386/include/mach/i386/machine_types.defs @@ -66,13 +66,25 @@ type long_natural_t = uint32_t; #endif /* __x86_64__ */ /* - * long_natural_t for kernel <-> userland interfaces as the size depends on the - * architecture of both kernel and userland. + * Larger version of integer_t. Only used when we want to hold possibly larger + * values than what is possible with integer_t. + */ +#if defined(__x86_64__) +type long_integer_t = int64_t; +#else +type long_integer_t = int32_t; +#endif /* __x86_64__ */ + +/* + * long_natural_t and long_integer_t for kernel <-> userland interfaces as the + * size depends on the architecture of both kernel and userland. */ #if defined(KERNEL) && defined(USER32) type rpc_long_natural_t = uint32_t; +type rpc_long_integer_t = int32_t; #else /* KERNEL and USER32 */ type rpc_long_natural_t = long_natural_t; +type rpc_long_integer_t = long_integer_t; #endif /* KERNEL_SERVER and USER32 */ /* diff --git a/i386/include/mach/i386/vm_types.h b/i386/include/mach/i386/vm_types.h index 86e8563a..7e5857a5 100644 --- a/i386/include/mach/i386/vm_types.h +++ b/i386/include/mach/i386/vm_types.h @@ -69,6 +69,12 @@ typedef int integer_t; typedef unsigned long long_natural_t; /* + * Larger version of integer_t. Only used when we want to hold possibly larger + * values than what is possible with integer_t. + */ +typedef long long_integer_t; + +/* * A vm_offset_t is a type-neutral pointer, * e.g. an offset into a virtual memory space. */ @@ -117,6 +123,7 @@ static inline __mach_uint32_t convert_vm_to_user(__mach_uint64_t kaddr) return (__mach_uint32_t)kaddr; } typedef __mach_uint32_t rpc_long_natural_t; +typedef __mach_int32_t rpc_long_integer_t; #else /* MACH_KERNEL */ typedef vm_offset_t rpc_vm_address_t; typedef vm_offset_t rpc_vm_offset_t; @@ -124,6 +131,7 @@ typedef vm_size_t rpc_vm_size_t; #define convert_vm_to_user null_conversion #define convert_vm_from_user null_conversion typedef long_natural_t rpc_long_natural_t; +typedef long_integer_t rpc_long_integer_t; #endif /* MACH_KERNEL */ #endif /* __ASSEMBLER__ */ |