WO2003104974A3 - Using short references to access program elements in a large address space - Google Patents

Using short references to access program elements in a large address space Download PDF

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Publication number
WO2003104974A3
WO2003104974A3 PCT/US2003/011419 US0311419W WO03104974A3 WO 2003104974 A3 WO2003104974 A3 WO 2003104974A3 US 0311419 W US0311419 W US 0311419W WO 03104974 A3 WO03104974 A3 WO 03104974A3
Authority
WO
WIPO (PCT)
Prior art keywords
address
address space
access
desired element
access program
Prior art date
Application number
PCT/US2003/011419
Other languages
French (fr)
Other versions
WO2003104974A2 (en
Inventor
Oscar Montemayor
Original Assignee
Sun Microsystems Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US10/165,160 external-priority patent/US6865659B2/en
Application filed by Sun Microsystems Inc filed Critical Sun Microsystems Inc
Priority to AU2003226369A priority Critical patent/AU2003226369A1/en
Priority to EP03757249A priority patent/EP1563374A2/en
Publication of WO2003104974A2 publication Critical patent/WO2003104974A2/en
Publication of WO2003104974A3 publication Critical patent/WO2003104974A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/06—Addressing a physical block of locations, e.g. base addressing, module addressing, memory dedication
    • G06F12/0615—Address space extension
    • G06F12/0623—Address space extension for memory modules
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
    • G06F12/0292—User address space allocation, e.g. contiguous or non contiguous base addressing using tables or multilevel address translation means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/445—Program loading or initiating
    • G06F9/44521—Dynamic linking or loading; Link editing at or after load time, e.g. Java class loading

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Stored Programmes (AREA)
  • Executing Machine-Instructions (AREA)

Abstract

One embodiment of the present invention provides a system that accesses a desired element during execution of a program. During operation, the system receives a reference to the desired element. The system determines if the reference is an internal reference to a location in a local package that is currently executing, or an external reference to a location in an external package. If the reference is an external reference, the system uses an index component of the reference to lookup an address for the desired element in a global reference table. Next, the system uses the address to access the desired element. Note that the address retrieved from the global reference table is larger than the reference, which allows the address to access a larger address space than is possible to access with the reference alone.
PCT/US2003/011419 2002-06-07 2003-04-11 Using short references to access program elements in a large address space WO2003104974A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2003226369A AU2003226369A1 (en) 2002-06-07 2003-04-11 Using short references to access program elements in a large address space
EP03757249A EP1563374A2 (en) 2002-06-07 2003-04-11 Using short references to access program elements in a large address space

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US38685602P 2002-06-07 2002-06-07
US10/165,160 US6865659B2 (en) 2002-06-07 2002-06-07 Using short references to access program elements in a large address space
US10/165,160 2002-06-07
US60/386,856 2002-06-07

Publications (2)

Publication Number Publication Date
WO2003104974A2 WO2003104974A2 (en) 2003-12-18
WO2003104974A3 true WO2003104974A3 (en) 2005-06-02

Family

ID=29738941

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/011419 WO2003104974A2 (en) 2002-06-07 2003-04-11 Using short references to access program elements in a large address space

Country Status (3)

Country Link
EP (1) EP1563374A2 (en)
AU (1) AU2003226369A1 (en)
WO (1) WO2003104974A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10357257A1 (en) 2003-12-08 2005-06-30 Giesecke & Devrient Gmbh Java smart card chip with memory area reserved for global variables
CN100442302C (en) * 2004-12-21 2008-12-10 国际商业机器公司 Method and system for metering usage of software products with fast run-time identification

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR119649A (en) * 1975-03-24

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
DAVID A. PATTERSON & JOHN L. HENNESSY: "Computer Architecture -- A Quantitative Approach", 1996, MORGAN KAUFMANN PUBLISHERS, SAN FRANCISCO, ISBN: 1-55860-329-8, XP002323845 *
JOHN R. LEVINE: "Linkers & Loaders", 2000, MORGAN KAUFMANN PUBLISHERS, SAN FRANCISCO, ISBN: 1-55860-496-0, XP002323846 *
MAURICE J. BACH: "The Design of the UNIX Operating System", 1990, PRENTICE HALL, USA, ISBN: 0-13-201799-7, XP002323844 *
PARHAMI B ED - SODERSTRAND M A ET AL: "Modular reduction by multi-level table lookup", CIRCUITS AND SYSTEMS, 1997. PROCEEDINGS OF THE 40TH MIDWEST SYMPOSIUM ON SACRAMENTO, CA, USA 3-6 AUG. 1997, NEW YORK, NY, USA,IEEE, US, vol. 1, 3 August 1997 (1997-08-03), pages 381 - 384, XP010272518, ISBN: 0-7803-3694-1 *
See also references of EP1563374A2 *

Also Published As

Publication number Publication date
EP1563374A2 (en) 2005-08-17
AU2003226369A1 (en) 2003-12-22
AU2003226369A8 (en) 2003-12-22
WO2003104974A2 (en) 2003-12-18

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