74018d8df6
Untested(!!) beginning of VAX a.out shared library support. This is a work
...
in progress.
1998-08-18 18:46:16 +00:00
93f8d753f8
Small changes to make debugging a little easier.
1998-08-13 07:34:05 +00:00
41a070136b
When DEBUG, log init and fini calls.
1998-08-06 00:03:28 +00:00
9ae60c44af
More cruft.
1998-08-05 04:25:03 +00:00
7625579cb3
GC some cruft.
1998-08-05 04:21:51 +00:00
5d231ae38e
Don't reset the reloc_index when we patch a jmpslot. We don't need to, and
...
this kluges around some cache issues.
1998-07-27 07:48:21 +00:00
cfaad53a4e
Remove bogus change to use -O0.
1998-07-25 12:37:27 +00:00
77a275d732
Change ld.so default behavior to RTLD_LOCAL, and make RTLD_LOCAL into a
...
new flag bit. Keep RTLD_GLOBAL as an actual flag bit so it won't be
re-used, or may be used for something later. Mask the dlopen() mode bits
in ld.elf_so so a comparison against RTLD_NOW works. (RTLD_{LOCAL,GLOBAL}
needs to be implemented for ld.elf_so.)
1998-07-14 22:18:36 +00:00
76bc8071eb
Clear the error indicator after retrieval (xref. dlerror(3)).
1998-05-30 18:28:31 +00:00
b05a04267a
In case NOPICINSTALL is set, get -lc_pic from src/lib/libc/(objdirname).
1998-05-21 00:31:05 +00:00
294ed94908
Optimize symbol/string table access slightly by precomputing their
...
locations at load time. These values don't change once the object is loaded.
1998-05-19 12:15:38 +00:00
dd26162d11
Need <dlfcn.h> for Dl_info.
1998-05-14 01:55:28 +00:00
d123bc84d4
Implement `dladdr()': find nearest symbol given an address.
1998-05-12 21:22:28 +00:00
79bd77e1cc
Add `dladdr()' rtld entry point.
1998-05-12 21:21:21 +00:00
98712f00f0
If a good matching shared library is found, don't look in the next
...
directories. This is compatible with the SunOS behaviour. Also,
it fixes a problem where it was not possible for some 3rd party
package to have a library with the same name as a library already
in the system, and a lower version number. The highest version
would always be picked. This particular problem shows up with Mozilla,
which has a libutil.so.1.0
1998-04-04 01:00:29 +00:00
ab8a4c5234
Allow a non-RTLD_GLOBAL object to refer to symbols in itself.
1998-03-26 23:33:12 +00:00
d47d43b956
Use file size from fstat(2) to map the hints file, instead of fiddling
...
with incremental mmap()'s. Squashes a bug which caused only the first
page of the hints file to unmapped.
1998-03-18 23:21:46 +00:00
5ea8bb6d05
Implement RTLD_GLOBAL dlopen(3) flag.
...
Rename internal flags to avoid <dlfcn.h> name space collisions.
1998-03-15 23:10:21 +00:00
b5f4c3ad5e
Check for short hints file (noticed by Chuck Silvers).
1998-03-15 21:24:27 +00:00
28ad88290d
Remove spurious extra newline.
1998-03-03 00:36:24 +00:00
4462053ab3
Fill in missing (default) mmap(2) flags.
1998-02-20 09:27:18 +00:00
9084f293a7
Print a warning message if we detect that a "copy symbol" has changed
...
size in a shared library. Also, always use our expected size to copy
the item in, on the assumption that doing so generally minimizes the
damage (maybe it's better to just bail out?).
1998-02-17 23:07:33 +00:00
10cc9f3b70
RCS Id police
1998-01-05 22:00:34 +00:00
f58457ccca
Expand on shared object's `.init' functions a bit, and mention
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`/usr/lib/c++rt.o'.
1997-11-13 22:25:23 +00:00
da49bfcda7
use CPPFLAGS instead of CFLAGS
1997-10-25 10:10:19 +00:00
919c9148f3
Add support for PIC code.
...
Add support for ld.so
1997-10-17 21:25:42 +00:00
776130f509
Handle relocation of misaligned symbols. Handle all three cases by the same
...
macro for clarity.
1997-10-14 17:17:52 +00:00
df79fb912d
Add the necessary -I flag to pick up the libc/include/extern.h
1997-07-14 02:56:54 +00:00
a57d8745e7
* Truncate the cinv table. It was twice as long as necessary as a result
...
of an earlier version of th code.
* Really align the cinv table modulo 0x200. Thank's to Ian for telling me
where I goofed up.
1997-07-11 23:39:56 +00:00
df05f3a8b1
* Flush the icache from user mode. The original code and the idea came from
...
Ian Dall. I just did some slight optimizations.
1997-07-09 19:32:51 +00:00
72023de51f
Do not free dlopen'ed map structures twice.
...
Plug memory leak when opening the same object mor than once.
1997-06-30 22:10:06 +00:00
7a27a9dd43
Fix typo in free_link_map(); noticed by Mike Grupenhoff.
1997-06-30 20:49:40 +00:00
c682966345
Patch from Chris Demetriou to unmap an object on last dlclose(), which
...
had not be implemented. It would cause an "adress space leak" and, if
the same object would opened multiple time, unwanted relocations.
Re: Comment from Chris:
"The a.out ld.so has some problems with dlclose. It doesn't properly
unmap objects which are dlclosed. That's a known problem (though a
serious one for programs which dlopen then dlclose lots of objects,
because it causes address space exhaustion), but it has a
previously-unknown side-effect.
If a single object is dlopened, then dlclosed, then dlopened _again_,
the relocations will be processed again. That causes obvious
problems."
1997-06-26 20:52:06 +00:00
586ed80911
install all man pages.
1997-06-23 13:25:41 +00:00
4dd59ab4df
Fix typos (PR#3761).
1997-06-20 20:38:08 +00:00
0bf17c4d39
fix typo; from Saitoh Masanobu in PR misc/3696.
...
also comma-separate and reorder xrefs.
1997-06-03 04:24:25 +00:00
7a66732d34
Back out BUILDDIR and NOINSTALL changes.
1997-05-31 21:21:13 +00:00
097e643f79
Remove an ifdef. Add comment about -nostdlib vs. ELF ld.
1997-05-30 14:06:34 +00:00
d0b955050b
Use the extra LDFLAGS if OBJDIR is defined.
1997-05-30 11:39:01 +00:00
c21a83a6fb
PR 3670 from SAITOH Masanobu <msaitoh@spa.is.uec.ac.jp>
...
Fix typos.
1997-05-26 00:40:39 +00:00
ff90cf758b
Keep track of `dlsym()' symbol lookup scope differently. There's (currently)
...
only one special case: a NULL argument to dlopen(); return a special
token for that case.
1997-05-03 08:00:02 +00:00
d3d1227320
Ld directory reorganization:
...
- separate out the common files used by rtld ldd ld
- move machine dependent files into arch
- move ld in its own directory
- factor out .PATH and CFLAGS common to all Makefiles
1997-04-16 16:49:28 +00:00
0aad9d4378
Makefile cleanups
1997-03-24 22:02:40 +00:00
372fe2ff92
Catch up with const changes to dlopen() and dlsym() prototypes in
...
<dlfcn.h>. Tested on i386 and hp300 for crt0.o and ld.so, verified
other references by inspection.
1997-01-03 22:37:58 +00:00
db6c2ee527
<link.h> has moved in with the run-time linker source.
1996-12-23 22:13:03 +00:00
49dc4d2fe7
Deal with weak symbols when looking up in shared libraries.
1996-12-21 21:53:16 +00:00
79b6fe9805
Add machine dependent code for NetBSD/powerpc
1996-11-03 18:02:42 +00:00
c51687391d
Actually set the RTLD_DL flag in dlopen'ed shared objects, per PR#2791.
1996-10-06 19:03:32 +00:00
7d468e4a0c
Iff __m68k__, use a `slight hack' to determine the magic of the executable
...
we're doing a dynamic link for, and change the page size used for offset
and size calculations if necessary. Allows the same ld.so to be used with
mixed m68k4k and m68k8k executables and libraries.
Thanks a million to Gordon Ross for the help in making this work!
1996-09-10 22:17:51 +00:00
48d30b1294
Fixed NetBSD tag.
1996-08-21 18:43:29 +00:00
cc13fe98cb
Fix for dynamically linked functions returning structs. PR#2586/Pfaller
1996-07-31 06:22:41 +00:00
648aed921f
RCS id police.
1996-07-03 03:28:09 +00:00
721a11bff8
Use DESTDIR to point at libraries like bsd.prog.mk does (PR#2524).
1996-06-08 22:22:26 +00:00
060e1bc8f1
Initial commit of arm32 machine dependant code for ld.
...
Currently only supports static linking.
1996-05-17 21:51:07 +00:00
05105a9150
Define RELOC_INIT_SEGMENT_RELOC for the ns32k (Matthias Pfaller; PR#2103).
1996-02-22 00:19:57 +00:00
55d51fbb95
Relax checking of minor version number in `findhint()'. Also use the
...
directories from the hints (v.2) file for directory traversing.
This should take care of PR#1146.
1996-01-14 00:35:17 +00:00
ccc1c895ef
Deal with v.2 hint files (hint srch dirs not yet used).
1996-01-09 00:02:28 +00:00
d98240030c
Define LD_HINTS_VERSION_2:
...
- no longer hash on minor version number in hints file.
- add list of ldconfig(8) search directories.
1996-01-09 00:00:11 +00:00
2e1dc487c5
Add -fno-function-cse to PICFLAGS. Without it, Very Bad Things happen
...
when ld.so is compiled with gcc 2.7.2 on the m68k. From
Niklas Hallqvist <niklas@appli.se> in PR #1557 . (Thanks, Nik, for reminding
me about this PR...)
1996-01-02 08:54:28 +00:00
4162cf6459
Simplify update of r_addend field in relocation record if `-r' is on.
...
The old quirky code did strange things.
1995-12-28 18:04:59 +00:00
2bb60e32ec
Make dlopen() search for libraries if given a name of the form
...
`lib<name>.so[.xx[.yy]]' (per Erik M. Theisen; PR#1763; patch from PR
used in simplified form).
1995-12-28 17:57:32 +00:00
35c8aad7b3
Flush after diddling text, so we get predictable results on machines
...
with separate I & D caches.
1995-11-28 19:29:45 +00:00
6ac54c7a78
Vax support for ld, so we (at least) can link static binaries.
1995-10-19 13:10:17 +00:00
d04fcadcc2
Fix typo.
1995-10-09 09:24:59 +00:00
9d43c41208
New style RCS IDs.
1995-10-09 00:09:39 +00:00
b74b1d6456
Allow customized trace output, so ldd(1) can be more conveniently used
...
as a filter.
Rearrange cascading stuff: remove two-level limit.
1995-10-08 23:43:28 +00:00
b19a7d87e2
Pass on return value.
1995-09-23 22:48:18 +00:00
d4fe561742
Interface version 4:
...
implement dlexit() (per Doug Rabson)
get actual rtld path from crt0
pass ld_entry back to crt0 in a better place
1995-09-23 22:46:24 +00:00
fa6e06725c
Define `dlexit()' in crt<=>rtld interface (active in v4).
1995-09-23 22:26:15 +00:00
1a9159c7ba
Check for zero sized BSS to avoid a big no-op syscall (per Mike Hibler).
1995-08-31 22:07:25 +00:00
f6797ed4f1
Install the manual page.
1995-08-25 10:08:45 +00:00
72acb4fe30
Handle object code with the "large" model PIC (eg. gcc's `-fPIC' option).
1995-08-04 21:32:15 +00:00
f42537952b
man page for the run-time linker
1995-06-30 12:23:10 +00:00
45359beaf4
Initialise after malloc (fixes PR#1149).
...
Also, correct comparison when looking in `prefered' paths.
1995-06-20 23:07:03 +00:00
d680ed6b95
#include <dlfcn.h>
1995-06-05 00:08:38 +00:00
878392000d
Put dlopen() et.al. declarations in separate header file for compatibility.
1995-06-05 00:08:07 +00:00
fdd7092874
Cache two more environment variable values.
1995-06-04 23:21:35 +00:00
fe9497fd8c
Revive library search paths.
1995-06-04 21:57:18 +00:00
ad760ce3d6
Implement compiled-in library search paths: any `-L' argument encountered
...
while `dynamic link-mode' is on, is recorded in the executable. The
run-time linker will search these paths after $LD_LIBRARY_PATH but
before the default set and those currently in the hints file.
The feature is disabled whenever for set[ug]id programs.
1995-06-04 21:56:22 +00:00
46466fb2d7
Correct copyright.
1995-05-29 18:11:35 +00:00
ad2b81e4f0
jbsr takes one argument, not two. Apparently the assembler quietly
...
ignores the second...
Pointed out by uhenric@mcl.ucsb.edu (Henric Jungheim).
1995-05-07 13:22:12 +00:00
28dba22b40
Fix bogosities in cascade stuff.
1995-04-01 20:56:55 +00:00
b6340cabe2
Burn LD_RUN_PATH; I didn't read the SVR5 man-pages carefully enough.
1995-03-06 22:59:10 +00:00
64edf8f86f
Code from Matthew Green to do DL cascading "in the first degree".
...
Two `fprintf(stderr, ..)' => `warnx(..)'.
1995-03-06 20:51:24 +00:00
ae92c26c4c
Several consistency nits, and fix a byte order problem in md_swapout_reloc().
1995-01-17 06:44:38 +00:00
2c64d3be89
Several consistency nits, and don't define the get_*() macros twice.
1995-01-17 06:41:43 +00:00
da34da6096
Put a reserved field into use (weak symbol support).
1994-12-23 20:16:59 +00:00
e46ed32748
Bummer! Undo mmap() changes in rev. 1.26; they royally screw up the
...
kernel's pmap address preference mechanism.
1994-12-19 12:21:21 +00:00
e2025017e0
Handle "/dev/zero" stuff more globally.
1994-12-18 16:05:49 +00:00
b8937d605d
Re-arrange mmap() calls, per Charles' suggestion.
1994-12-18 15:38:55 +00:00
524e00b29b
Ensure contiguous chunks for all of an object's address space (text+data+bss).
1994-12-07 20:30:53 +00:00
9ea7c211d9
Fix some other broken comments.
1994-12-04 08:26:22 +00:00
ffadc8821a
Remove silly comment that was causing `make depend' to barf.
1994-12-04 07:42:44 +00:00
7df5d3ecf2
Another md macro to initialize a home-made struct reloc needed
...
for N_SET* type relocations in shared objects.
1994-11-30 18:24:56 +00:00
0a13ae3ba2
patches from Matthias
...
new RCS id format
1994-11-30 06:20:42 +00:00
15cea8b764
Don't close the hints file while it's mapped, but unmap and close it after
...
loading.
1994-10-26 20:21:42 +00:00
e23e2b1219
Remove two unused functions.
1994-10-26 20:03:31 +00:00
c1a45e7763
Clean this up a bit, and use the trap gate to enter the kernel.
1994-10-26 19:41:13 +00:00
4d2cbfce0a
new RCS ID format.
1994-10-26 00:55:40 +00:00
43965575ed
NBPG --> getpagesize()
1994-09-19 16:58:18 +00:00
matt