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VM_PROT_* flags as a bitset

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Beau McCartney
2024-10-08 12:51:12 -06:00
parent 2695b269a4
commit 9004441e43
1 changed files with 11 additions and 17 deletions
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core/sys/darwin/mach_darwin.odin
+11 -17
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@@ -54,7 +54,7 @@ foreign mach {
offset : vm_offset_t, offset : vm_offset_t,
copy : boolean_t, copy : boolean_t,
cur_protection, cur_protection,
max_protection : vm_prot_t, max_protection : VM_Prot_Flags,
inheritance : vm_inherit_t, inheritance : vm_inherit_t,
) -> Kern_Return --- ) -> Kern_Return ---
@@ -62,7 +62,7 @@ foreign mach {
target_task : vm_map_t, target_task : vm_map_t,
size : ^vm_size_t, size : ^vm_size_t,
offset : vm_offset_t, offset : vm_offset_t,
permission : vm_prot_t, permission : VM_Prot_Flags,
object_handle : ^mem_entry_name_port_t, object_handle : ^mem_entry_name_port_t,
parent_entry : mem_entry_name_port_t, parent_entry : mem_entry_name_port_t,
) -> Kern_Return --- ) -> Kern_Return ---
@@ -399,23 +399,17 @@ VM_FLAGS_OVERWRITE :: 0x00004000 /* delete any existing mappings first
* Protection values, defined as bits within the vm_prot_t type * Protection values, defined as bits within the vm_prot_t type
*/ */
VM_PROT_NONE : vm_prot_t : 0x00 VM_Prot :: enum vm_prot_t {
Read,
Write,
Execute,
}
VM_PROT_READ : vm_prot_t : 0x01 /* read permission */ VM_Prot_Flags :: distinct bit_set[VM_Prot; vm_prot_t]
VM_PROT_WRITE : vm_prot_t : 0x02 /* write permission */
VM_PROT_EXECUTE : vm_prot_t : 0x04 /* execute permission */
/* VM_PROT_NONE :: VM_Prot_Flags{}
* The default protection for newly-created virtual memory VM_PROT_DEFAULT :: VM_Prot_Flags{.Read, .Write}
*/ VM_PROT_ALL :: VM_Prot_Flags{.Read, .Write, .Execute}
VM_PROT_DEFAULT :: VM_PROT_READ | VM_PROT_WRITE
/*
* The maximum privileges possible, for parameter checking.
*/
VM_PROT_ALL :: VM_PROT_READ | VM_PROT_WRITE | VM_PROT_EXECUTE
/* /*
* Enumeration of valid values for vm_inherit_t. * Enumeration of valid values for vm_inherit_t.