HP OpenVMS Systems Documentation

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Upgrading Privileged-Code Applications on OpenVMS Alpha and OpenVMS I64 Systems

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Chapter 3
3 Replacements for Removed Privileged Symbols
     3.1     Removed Date Structure Fields
     3.2     Removed Routines
     3.3     Removed Macros
         3.3.1         Removed MACRO-32 Macros Formerly in SYS$LIBRARY:LIB.MLB
         3.3.2         C Header Files Removed From SYS$LIBRARY:SYS$LIB_C.TLB
     3.4     Removed System Data Cells
Chapter 4
4 Modifying Device Drivers to Support 64-Bit Addressing
     4.1     Recommendations for Modifying Device Drivers
     4.2     Mixed Pointer Environment in C
     4.3     $QIO Support for 64-Bit Addresses
     4.4     Declaring Support for 64-Bit Addresses in Drivers
         4.4.1         Drivers Written in C
         4.4.2         Drivers Written in MACRO-32
         4.4.3         Drivers Written in BLISS
     4.5     I/O Mechanisms
         4.5.1         Simple Buffered I/O
         4.5.2         Direct I/O
         4.5.3         Direct I/O Buffer Map (DIOBM)
         4.5.4         64-Bit AST
         4.5.5         64-Bit ACB Within the IRP
         4.5.6         I/O Function Definitions
     4.6     64-Bit Support in Example Driver
         4.6.1         Example: Declaring 64-Bit Functions
         4.6.2         Example: Declaring 64-Bit Buffered I/O Packet
         4.6.3         Example: Changes to LR$WRITE
         4.6.4         Example: Changes to LR$SETMODE
         4.6.5         Example: Changes to LR$STARTIO
Chapter 5
5 Modifying User-Written System Services
Chapter 6
6 Kernel Threads Process Structure
     6.1     Process Control Blocks (PCBs) and Process Headers (PHDs)
         6.1.1         Effect of a Multithreaded Process on the PCB and PHD
     6.2     Kernel Thread Blocks (KTBs)
         6.2.1         KTB Vector
         6.2.2         Floating-Point Registers and Execution Data Blocks (FREDs)
         6.2.3         Kernel Threads Region
         6.2.4         Per-Kernel Thread Stacks
         6.2.5         Per-Kernel Thread Data Cells
         6.2.6         Layout of the Per-Kernel Thread
         6.2.7         Summary of Process Data Structures
     6.3     Process Identifiers (PIDs)
         6.3.1         Multithread Effects on the PID
         6.3.2         Range Checking and Sequence Vectors
     6.4     Process Status Bits

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