smith@compound.se (Bj|rn Smith) (02/18/91)
Is there a way of linking a program in such a way that the data area
(or a part of the data area) is relocated to an address outside
the process address space ?
This is the case:
.
.
int shdata[1024];
.
.
main()
{
.
/* Before accessing any data: Allocate a shared memory */
/* segment which normally returns an address 64000000 hex. */
.
shdata[0] = 37; /* This will access the first int in the */
/* shared memory segment. */
.
.
Now I want to link the program so that references to "shdata" will end
up on addresses 64000000 hex and above.
I have tried cc prog.c -o prog -link -Rd 64000000
which did what I wanted but when trying to run the program it fails to
execute and I get "prog: Killed" and a return code 137 (dec).
Anyone have any ideas how do this ?
(I know that shared memory should be accessed through the pointer
returned by shmat() but thats not the point. The object file
accessing "shdata" is produces in a language unable to reference
addresses.)
Thanks in advance for any kind of help !
--
Bj|rn Smith Compound Systems, phone +46 8 7923689
UUCP: {uunet,mcsun}!sunic!comsys!smith
Internet: smith@compound.se