The Global Descriptor Table (GDT) is a core part of Intel's x86 architecture that helps manage how memory is accessed and protected. Introduced with the...
6 KB (738 words) - 08:13, 19 May 2025
The interrupt descriptor table (IDT) is a data structure used by the x86 architecture to implement an interrupt vector table. The IDT is used by the processor...
8 KB (1,201 words) - 01:51, 20 May 2025
special selector value to reference a descriptor accessed via the Global Descriptor Table or the Local Descriptor Table, which contains the information needed...
5 KB (765 words) - 22:36, 6 February 2023
research Geometric dimensioning and tolerancing, GD&T Global Descriptor Table, an x86 data structure Global distance test, to compare proteins Ground Data Terminal...
1,015 bytes (138 words) - 21:00, 11 August 2023
processor state that are normally outside of the IA-32 API scope, like descriptor cache registers. The LOADALL for 286 processors is encoded 0Fh 05h, while...
23 KB (1,731 words) - 09:24, 27 May 2025
triggered with a CALL or JMP instruction targeted at a TSS descriptor in the global descriptor table. It can occur implicitly when an interrupt or exception...
15 KB (1,963 words) - 07:06, 23 February 2025
reads the 64-bit segment descriptor structure from either the Global Descriptor Table when TI=0 or the Local Descriptor Table when TI=1. It then performs...
23 KB (3,302 words) - 06:46, 10 June 2025
into a descriptor table that is stored in memory. There are two such tables, the Global Descriptor Table (GDT) and the Local Descriptor Table (LDT), each...
105 KB (10,798 words) - 13:47, 11 June 2025
mode, the Global Descriptor Table (GDT) must first be created with a minimum of three entries: a null descriptor, a code segment descriptor and data segment...
48 KB (4,371 words) - 10:15, 27 May 2025
this architecture. On the x86 architecture, the Global Descriptor Table and Local Descriptor Tables can be used to reference segments in the computer's...
18 KB (2,268 words) - 16:46, 24 January 2025
accessing descriptor tables such as the Global Descriptor Table (GDT), the Interrupt descriptor table (IDT) and the Local Descriptor Table (LDT). Segment...
13 KB (1,262 words) - 22:16, 14 May 2025
makes this memory available through the Global Descriptor Table (GDT) and one or more Local Descriptor Tables (LDTs). The memory is "protected" in the...
9 KB (1,148 words) - 01:35, 28 May 2025
registers (now called selectors) are used to point to an entry in the Global Descriptor Table which describes the characteristics of the segment. The two methods...
12 KB (1,454 words) - 06:24, 24 September 2024
descriptors used by the LGDT, LIDT, SGDT and SIDT instructions consist of a 2-part data structure. The first part is a 16-bit value, specifying table...
263 KB (14,911 words) - 15:01, 7 May 2025
programs access to all segments (by putting all segment descriptors into the Global Descriptor Table (GDT) and assigning them all the same privilege level)...
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an estimated 9.7 million metric tons of this global total. Chile remains the world's single largest table grape exporter, exporting over 800,000 metric...
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include: Modifying system service descriptor tables Modifying the interrupt descriptor table Modifying the global descriptor table Using kernel stacks not allocated...
24 KB (2,113 words) - 02:32, 21 December 2024
Cisco IOS (redirect from Interface Descriptor Block)
processor), which performs the actual packet forwarding function. An Interface Descriptor Block, or simply IDB, is a portion of memory or Cisco IOS internal data...
26 KB (2,905 words) - 11:24, 20 March 2025
image starts with a fixed-length Image Descriptor, which may specify the presence and size of a Local Color Table (which follows next if present). The image...
87 KB (8,173 words) - 14:59, 16 June 2025
traditional implementations, file descriptors are indices into a (per-process) file descriptor table, thence a (system-wide) file table. While a pointer contains...
6 KB (830 words) - 04:11, 26 March 2025
reading, listening, speaking and writing. The following table indicates these levels. These descriptors can apply to any of the languages spoken in Europe...
64 KB (4,500 words) - 10:50, 24 May 2025
Protel (section Descriptors)
some_value; ENDBLOCK The TABLE is the basic array structure. TABLE is only used for arrays whose size is known at compile time. Descriptors are the preferred...
8 KB (1,110 words) - 14:28, 10 October 2024
program, the T field of an Operand Call or Descriptor Call syllable is relative to the Program Reference Table (PRT). For subroutines, the type of addressing...
86 KB (10,309 words) - 11:36, 23 May 2025
block in memory. This makes descriptors equivalent to a page-table entry in an MMU system, but descriptors are free of a table. System performance can be...
49 KB (7,099 words) - 18:50, 8 May 2025
processor to fetch the descriptor for the page-fault exception handler. This descriptor, residing on the second page of the table, is present in memory...
12 KB (1,583 words) - 04:05, 25 March 2025
create a pointer (copy descriptor) from a base (MOM) descriptor NXLN Index and load name (resulting in an indexed descriptor) NXLV Index and load value...
29 KB (4,040 words) - 08:21, 8 May 2023
BUFR (section Descriptors)
Sequence descriptors (F=3): A single sequence descriptor is an alias for a sequence of other descriptors, including replication descriptors and Table B, C...
10 KB (1,207 words) - 11:36, 28 May 2025
file descriptor in the process's file descriptor table. This file descriptor is a capability. Its existence in the process's file descriptor table is sufficient...
14 KB (1,668 words) - 22:55, 12 June 2025
system call. This allocates resources associated to the file (the file descriptor), and returns a handle that the process will use to refer to that file...
9 KB (1,135 words) - 14:37, 26 March 2025
a database, etc.) had to be specified in the deployment descriptor. The deployment descriptor is an XML document having an entry for each EJB to be deployed...
38 KB (4,984 words) - 21:00, 6 April 2025