ld.so's LD_LIBRARY_PATH/LD_PRELOAD in mixed 32bit and 64bit environment
Alon Bar-Lev
alon.barlev@gmail.com
Mon Aug 22 11:55:00 GMT 2011
On Mon, Aug 22, 2011 at 11:40 AM, Alon Bar-Lev <alon.barlev@gmail.com> wrote:
>> But there is no documentation for this, it should appear in ld.so(8).
>> I will prepare a patch for documentation.
>>
>> Alon.
What do you think of this patch?
Human readable is bellow.
Thanks,
Alon.
---
--- ld.so.8.orig 2011-08-22 12:44:10.475794435 +0300
+++ ld.so.8 2011-08-22 12:44:21.813766610 +0300
@@ -90,6 +90,16 @@ LD.SO(8) Linux Program
libraries at execution-time. Similar to the PATH environment
variable.
+ ld.so understands the strings $ORIGIN , $LIB and $PLATFORM (or
+ equivalently ${var}) in a LD_LIBRARY_PATH string.
+
+ LIB is expanded to lib or lib64 based on the architecture.
+
+ ORIGIN is expanded to the location of the binary which is cur‐
+ rently loaded.
+
+ PLATFORM is expanded to the running platform.
+
LD_PRELOAD
A whitespace-separated list of additional, user-specified, ELF
shared libraries to be loaded before all others. This can be
-------------- next part --------------
A non-text attachment was scrubbed...
Name: man-pages-master-ld.so.8-vars.diff
Type: plain/text
Size: 646 bytes
Desc: not available
URL: <http://sourceware.org/pipermail/libc-alpha/attachments/20110822/090308f0/attachment.bin>
More information about the Libc-alpha
mailing list