| Chapter 18 |
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18
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Basic Calling Standard Conventions
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18.1
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Hardware Registers
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18.1.1
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Register Usage for OpenVMS VAX
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18.1.2
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Register Usage for OpenVMS Alpha
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18.1.2.1
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Integer Registers
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18.1.2.2
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Floating-Point Registers
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18.1.3
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Register Usage for OpenVMS I64
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18.1.3.1
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Partitioning
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18.1.3.2
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I64 General Register Usage
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18.1.3.3
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I64 Floating-Point Register Usage
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18.1.3.4
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I64 Predicate Register Usage
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18.1.3.5
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I64 Branch Register Usage
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18.2
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Stack Usage for Procedures
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18.2.1
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Stack Procedure Usage for VAX
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18.2.1.1
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Calling Sequence
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18.2.1.2
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Call Frames on Return
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18.2.2
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Stack Procedure Usage for Alpha
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18.2.2.1
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Fixed-Size Stack Frame
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18.2.2.2
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Variable-Size Stack Frame
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18.2.3
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Stack Procedure Usage for I64
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18.2.3.1
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Procedure Types
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18.2.3.2
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Memory Stack
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18.2.3.3
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Procedure Frames
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18.2.3.4
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Register Stack
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18.2.3.4.1
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Input and Local Registers
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18.2.3.4.2
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Output Registers
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18.2.3.4.3
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Rotating Registers
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18.2.3.4.4
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Frame Markers
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18.2.3.4.5
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Backing Store for Register Stack
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18.3
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Procedure Representation
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18.4
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Argument List
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18.5
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Argument Passing Mechanisms
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18.5.1
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Passing Arguments by Value
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18.5.2
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Passing Arguments by Reference
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18.5.3
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Passing Arguments by Descriptor
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18.5.4
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Parameter Passing Mechanisms for I64
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18.5.4.1
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Allocation of Parameter Slots
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18.5.5
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Normal Register Parameters
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18.5.6
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Argument Information (AI) Register
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18.5.7
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Memory Stack Parameters
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18.5.8
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Variable Argument Lists
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18.5.9
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Pointers to Formal Parameters
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18.5.9.1
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Languages Other than C
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18.5.10
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Rounding Floating-Point Values
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18.6
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Passing Scalars as Arguments
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18.7
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Passing Arrays as Arguments
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18.8
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Passing Strings as Arguments
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18.9
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Combinations of Descriptor Class and Data Type
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18.10
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Function Value Return
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18.11
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Condition Value Return
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18.12
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Macro-32 Register Usage and Mapping for I64
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18.12.1
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I64 Register Usage Compared with Alpha and VAX
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18.12.1.1
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I64 Register Mapping in MACRO Compiler
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18.12.1.2
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Use of MACRO Linkage Directives to Preserve Registers
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18.12.2
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High-Level Language Compiler Register Mapping
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| Chapter 19 |
|
19
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Calling Run-Time Library Routines
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19.1
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Overview
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19.2
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Call Instructions
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19.2.1
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Facility Prefix and Routine Name
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19.2.2
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The RTL Call Entry
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19.2.2.1
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JSB Call Entries (VAX Only)
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19.2.3
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Returns from an RTL Routine
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19.2.3.1
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Facility Return Status and Condition Value Symbols
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19.3
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Calling a Library Procedure in VAX MACRO (VAX Only)
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19.3.1
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VAX MACRO Calling Sequence
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19.3.2
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VAX MACRO CALLS Instruction Example
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19.3.3
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VAX MACRO CALLG Instruction Example
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19.3.4
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VAX MACRO JSB Entry Points
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19.3.5
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Return Status
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19.3.6
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Function Return Values in VAX MACRO (VAX and Alpha)
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19.4
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Calling a Library Routine in BLISS
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19.4.1
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BLISS Calling Sequence
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19.4.2
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Accessing a Return Status in BLISS
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19.4.3
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Calling JSB Entry Points from BLISS
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| Chapter 20 |
|
20
|
Calling System Services
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20.1
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Overview
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20.2
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Preserving System Integrity
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20.2.1
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User Privileges
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20.2.2
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Resource Quotas
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20.2.3
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Access Modes
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20.3
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System Service Call Entry
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20.4
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System Service Completion
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20.4.1
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Asynchronous and Synchronous System Services
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20.4.2
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System Service Resource Wait Mode
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20.4.3
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Condition Values Returned from System Services
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20.4.4
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Testing the Condition Value
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20.4.4.1
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Testing the Condition Value With $VMS_STATUS_SUCCESS Macro
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20.4.5
|
Special Condition Values Using Symbolic Codes
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20.4.6
|
Testing the Return Condition Value for VAX MACRO
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20.4.7
|
System Messages Generated by Condition Values
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20.5
|
Program Examples with System Service Calls
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