Author: tijl
Date: Wed Feb 27 09:34:09 2013
New Revision: 247396
URL: http://svnweb.freebsd.org/changeset/base/247396
Log:
Map libraries linked with -Ttext-segment=base_addr at base_addr.
Normal libraries have base address 0 and are unaffected by this change.
PR: 176216
Submitted by: Damjan Jovanovic <damjan....@gmail.com>
Reviewed by: kib
MFC after: 1 week
Modified:
head/libexec/rtld-elf/map_object.c
Modified: head/libexec/rtld-elf/map_object.c
==============================================================================
--- head/libexec/rtld-elf/map_object.c Wed Feb 27 08:56:57 2013
(r247395)
+++ head/libexec/rtld-elf/map_object.c Wed Feb 27 09:34:09 2013
(r247396)
@@ -175,7 +175,7 @@ map_object(int fd, const char *path, con
base_vaddr = trunc_page(segs[0]->p_vaddr);
base_vlimit = round_page(segs[nsegs]->p_vaddr + segs[nsegs]->p_memsz);
mapsize = base_vlimit - base_vaddr;
- base_addr = hdr->e_type == ET_EXEC ? (caddr_t) base_vaddr : NULL;
+ base_addr = (caddr_t) base_vaddr;
mapbase = mmap(base_addr, mapsize, PROT_NONE, MAP_ANON | MAP_PRIVATE |
MAP_NOCORE, -1, 0);
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