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Full Discussion: change the memory address of ld.linux-so in a dynamically linked process
Operating Systems Linux change the memory address of ld.linux-so in a dynamically linked process Post 302382894 by zerocool_08 on Saturday 26th of December 2009 10:12:10 PM
Old 12-26-2009
Actually, I'd like to manage the memory space of a process. We develop a process level virtual machine, which could run different binary code( MIPS , SPARC, ..) on different platforms( IA-32...). So I wish I could allocate all the low memory space ( 0~1G) to the guest process(e.g , the entry of a normal mips process begins at 0x004001a0). While the default memory address allocated for ld-linux.so is at 0x0082100, so I'd like to move it to another place, same to another shared libraries.
 

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LEARN ABOUT HPUX

shmem

shmem(5)							File Formats Manual							  shmem(5)

NAME

       shmem - enable or disable System V shared memory

DESCRIPTION

       The tunable is obsolete.  The System V IPC shared memory subsystem is always enabled.

       Shared  memory is an efficient InterProcess Communications (IPC) mechanism.  One process creates a shared memory segment and attaches it to
       its address space.  Any processes looking to communicate with this process through the shared memory segment, then attach the shared memory
       segment	to  their  corresponding  address spaces as well.  Once attached, a process can read from or write to the segment depending on the
       permissions specified while attaching it.

WARNINGS

       Installation of optional kernel software, from HP or other vendors, may cause changes to tunable  parameter  values.   After  installation,
       some  tunable  parameters may no longer be at the default or recommended values.  For information about the effects of installation on tun-
       able values, consult the documentation for the kernel software being installed.	For information about optional kernel  software  that  was
       factory installed on your system, see at

AUTHOR

       was developed by HP.

SEE ALSO

       shmmax(5), shmmni(5), shmseg(5).

							     Tunable Kernel Parameters							  shmem(5)
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