Java Memory Management on HP-UX

page 52/8/2005
(c) Copyright Hewlett Packard Company, 2005
EXEC_MAGIC vs SHARED_MAGIC
PDC I/O address
space
SameSamePDC I/O address
space
Quadrant 4
0xF0000000-
0xFFFFFFFF
Shared objectsPrivate
Data
SameShared objects
Quadrant 4
0xC0003000-
0xEFFFFFFF
Kernel gateway
page
SameSameKernel gateway page
Quadrant 4
0xC0000000-
0xC0000FFF
Shared objectsPrivate
Data
Private
Data
Shared objects
Quadrant 3
0x80000000-
0xBFFFFFFF
Data and StackSameSameData and Stack
Quadrant 2
0x40000000-
0x7FFFFFFF
Text only and read
only.
Same
SameText starts at the
beginning of this
space and data starts
immediately after the
end of the text.
Quadrant 1
0x00000000-
0x3FFFFFFF
SHARED_MAGICQuad 4
Private
(q4p)
Quad 3
Private
(q3p)
EXEC_MAGIC