Module zygote

This module defines the ABI boundary between the host and the zygote.

In general everything here can be modified at will, provided the zygote is recompiled.

Structs

• AddressTable
• AddressTablePacked
• AddressTableRaw
• CacheAligned
• ExtTable
• ExtTablePacked
• ExtTableRaw
• JmpBuf
• VmCtx
  The virtual machine context.
• VmCtxCounters
• VmCtxHeapInfo
• VmInit
• VmMap

Enums

• VmFd

Constants

• FD_DUMMY_STDIN
• FD_LIFETIME_PIPE
• FD_LOGGER_STDERR
• FD_LOGGER_STDOUT
• FD_MEM
• FD_SHM
• FD_SOCKET
• FD_VMCTX
• LAST_USED_FD
• VMCTX_FUTEX_BUSY
  The VM is busy.
• VMCTX_FUTEX_GUEST_ECALLI
  The VM has triggered a host call and is idle.
• VMCTX_FUTEX_GUEST_SIGNAL
  The VM’s signal handler was triggered.
• VMCTX_FUTEX_GUEST_STEP
  The VM has went through a single instruction is idle.
• VMCTX_FUTEX_GUEST_TRAP
  The VM has triggered a trap and is idle.
• VMCTX_FUTEX_IDLE
  The VM is idle.
• VM_ADDR_JUMP_TABLE
  The address where the indirect jump table starts inside of the VM.
• VM_ADDR_JUMP_TABLE_RETURN_TO_HOST
  The address where the return-to-host jump table vector physically resides.
• VM_ADDR_NATIVE_CODE
  The address where the native code starts inside of the VM.
• VM_ADDR_NATIVE_STACK_HIGH
  The address of the top of the native stack.
• VM_ADDR_NATIVE_STACK_LOW
  The address of the native stack.
• VM_ADDR_NATIVE_STACK_SIZE
  The size of the native stack.
• VM_ADDR_SHARED_MEMORY
  Address where the shared memory is mapped.
• VM_ADDR_SIGSTACK
  The address of the signal stack.
• VM_ADDR_VMCTX
  The address of the global per-VM context struct.
• VM_COMPILER_MAXIMUM_INSTRUCTION_LENGTH
  The maximum number of native code bytes that can be emitted by a single VM instruction.
• VM_SANDBOX_MAXIMUM_JUMP_TABLE_SIZE
  The maximum number of bytes the jump table can be.
• VM_SANDBOX_MAXIMUM_JUMP_TABLE_VIRTUAL_SIZE
  The maximum number of bytes the jump table can span in virtual memory.
• VM_SANDBOX_MAXIMUM_NATIVE_CODE_SIZE
  The maximum number of bytes the native code can be.
• VM_SHARED_MEMORY_SIZE
  The size of the shared memory region.