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Diffstat (limited to 'kernel_call/parameters.h')
| -rwxr-xr-x | kernel_call/parameters.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/kernel_call/parameters.h b/kernel_call/parameters.h new file mode 100755 index 0000000..ef15c65 --- /dev/null +++ b/kernel_call/parameters.h @@ -0,0 +1,130 @@ +/* + * parameters.h + * Brandon Azad + */ +#ifndef VOUCHER_SWAP__PARAMETERS_H_ +#define VOUCHER_SWAP__PARAMETERS_H_ + +#include <stdbool.h> +#include <stddef.h> +#include <stdint.h> + +#ifdef PARAMETERS_EXTERN +#define extern PARAMETERS_EXTERN +#endif + +// Some helpful units. +#define KB (1024uLL) +#define MB (1024uLL * KB) +#define GB (1024uLL * MB) + +// Generate the name for an offset. +#define OFFSET(base_, object_) _##base_##__##object_##__offset_ + +// Generate the name for the size of an object. +#define SIZE(object_) _##object_##__size_ + +// Generate the name for the size of a zalloc block of objects. +#define BLOCK_SIZE(object_) _##object_##__block_size_ + +// Generate the name for the number of elements in a zalloc block. +#define COUNT_PER_BLOCK(object_) _##object_##__per_block_ + +// Generate the name for the address of an object. +#define ADDRESS(object_) _##object_##__address_ + +// Generate the name for the static (unslid) address of an object. +#define STATIC_ADDRESS(object_) _##object_##__static_address_ + +// A convenience macro for accessing a field of a structure. +#define FIELD(object_, struct_, field_, type_) \ + ( *(type_ *) ( ((uint8_t *) object_) + OFFSET(struct_, field_) ) ) + +// The static base address of the kernel. +extern uint64_t STATIC_ADDRESS(kernel_base); + +// The kernel_slide granularity. +extern uint64_t kernel_slide_step; + +// Messages up to this size are allocated from the dedicated ipc.kmsgs zone. +extern size_t message_size_for_kmsg_zone; + +// The size of elements in ipc.kmsgs. +extern size_t kmsg_zone_size; + +// The maximum number of OOL ports in a single message. +extern size_t max_ool_ports_per_message; + +// How much to allocate between sleeps while trying to trigger garbage collection. +extern size_t gc_step; + +// Parameters for ipc_entry. +extern size_t SIZE(ipc_entry); +extern size_t OFFSET(ipc_entry, ie_object); +extern size_t OFFSET(ipc_entry, ie_bits); +extern size_t OFFSET(ipc_entry, ie_request); + +// Parameters for ipc_port. +extern size_t SIZE(ipc_port); +extern size_t BLOCK_SIZE(ipc_port); +extern size_t COUNT_PER_BLOCK(ipc_port); +extern size_t OFFSET(ipc_port, ip_bits); +extern size_t OFFSET(ipc_port, ip_references); +extern size_t OFFSET(ipc_port, waitq_flags); +extern size_t OFFSET(ipc_port, imq_messages); +extern size_t OFFSET(ipc_port, imq_msgcount); +extern size_t OFFSET(ipc_port, imq_qlimit); +extern size_t OFFSET(ipc_port, ip_receiver); +extern size_t OFFSET(ipc_port, ip_kobject); +extern size_t OFFSET(ipc_port, ip_nsrequest); +extern size_t OFFSET(ipc_port, ip_requests); +extern size_t OFFSET(ipc_port, ip_mscount); +extern size_t OFFSET(ipc_port, ip_srights); + +// Parameters for ipc_port_request. +extern size_t SIZE(ipc_port_request); +extern size_t OFFSET(ipc_port_request, ipr_soright); + +// Parameters for struct ipc_space. +extern size_t OFFSET(ipc_space, is_table_size); +extern size_t OFFSET(ipc_space, is_table); + +// Parameters for ipc_voucher. +extern size_t SIZE(ipc_voucher); +extern size_t BLOCK_SIZE(ipc_voucher); +extern size_t COUNT_PER_BLOCK(ipc_voucher); + +// Parameters for struct proc. +extern size_t OFFSET(proc, p_pid); +extern size_t OFFSET(proc, p_ucred); +extern size_t OFFSET(proc, task); +extern size_t OFFSET(proc, p_list); + +// Parameters for struct sysctl_oid. +extern size_t SIZE(sysctl_oid); +extern size_t OFFSET(sysctl_oid, oid_parent); +extern size_t OFFSET(sysctl_oid, oid_link); +extern size_t OFFSET(sysctl_oid, oid_kind); +extern size_t OFFSET(sysctl_oid, oid_handler); +extern size_t OFFSET(sysctl_oid, oid_version); +extern size_t OFFSET(sysctl_oid, oid_refcnt); + +// Parameters for struct task. +extern size_t OFFSET(task, lck_mtx_type); +extern size_t OFFSET(task, ref_count); +extern size_t OFFSET(task, active); +extern size_t OFFSET(task, map); +extern size_t OFFSET(task, itk_space); +extern size_t OFFSET(task, bsd_info); + +/* + * parameters_init + * + * Description: + * Initialize the parameters for the system. + */ +bool parameters_init(void); + +#undef extern + +#endif |