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279 Commits

Author SHA1 Message Date
pk
7787772880 Add `-R' to record internal library search paths. 
Usage note: `cc -Xlinker -R<path>'.
 1995-06-30 12:33:56 +00:00
pk
f42537952b man page for the run-time linker 1995-06-30 12:23:10 +00:00
pk
d8f640e15a Add a `merge' option. 
Use err() & warn().
 1995-06-20 23:12:33 +00:00
pk
45359beaf4 Initialise after malloc (fixes PR#1149). 
Also, correct comparison when looking in `prefered' paths.
 1995-06-20 23:07:03 +00:00
pk
4b7629e4ba Honour current umask when turning `x' bits on (from Joerg Wunsch). 1995-06-15 09:02:57 +00:00
pk
05a6a13e75 Be sure to calculate correct offsets in dispatch table. 1995-06-05 01:01:51 +00:00
pk
d680ed6b95 #include <dlfcn.h> 1995-06-05 00:08:38 +00:00
pk
878392000d Put dlopen() et.al. declarations in separate header file for compatibility. 1995-06-05 00:08:07 +00:00
pk
fdd7092874 Cache two more environment variable values. 1995-06-04 23:21:35 +00:00
pk
fe9497fd8c Revive library search paths. 1995-06-04 21:57:18 +00:00
pk
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
pk
3441f631d9 Cut some convoluted code that caused library members to get pulled 
in unnecessarily. Also, the size of common is of no interest if the
symbol already is in a shared object.
 1995-06-04 21:33:14 +00:00
phil
46466fb2d7 Correct copyright. 1995-05-29 18:11:35 +00:00
briggs
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
cgd
81584a34e6 NetBSD RCS Id format 1995-04-23 07:58:27 +00:00
pk
28dba22b40 Fix bogosities in cascade stuff. 1995-04-01 20:56:55 +00:00
pk
b05d1d15b6 Mention one more macro that was added some time ago. 1995-03-06 23:58:04 +00:00
pk
b6340cabe2 Burn LD_RUN_PATH; I didn't read the SVR5 man-pages carefully enough. 1995-03-06 22:59:10 +00:00
pk
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
cgd
671d2abce5 complete remove special search dirs, use NetBSD Id tag. 1995-03-06 04:24:41 +00:00
pk
9e92d48d1a Fix confusion over a.out header flags. 1995-01-29 14:47:06 +00:00
mycroft
ae92c26c4c Several consistency nits, and fix a byte order problem in md_swapout_reloc(). 1995-01-17 06:44:38 +00:00
mycroft
2c64d3be89 Several consistency nits, and don't define the get_*() macros twice. 1995-01-17 06:41:43 +00:00
pk
3e21f75b0e Don't whine about undefined symbols. 1994-12-28 10:37:38 +00:00
pk
8e0a22a5fb "weak symbol" support (fudged into `a.out' by means of the n_other field). 
Weak symbols are to replace indirect (type N_INDR) symbols and will help
to clean up name spaces in libraries.

Also, some misc. bug fixes, including PR 586, and use stdio for the output
file entirely.
 1994-12-23 20:32:51 +00:00
pk
da34da6096 Put a reserved field into use (weak symbol support). 1994-12-23 20:16:59 +00:00
cgd
c4c01d75b2 specify man pages the new way. 1994-12-22 09:31:26 +00:00
pk
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
pk
e2025017e0 Handle "/dev/zero" stuff more globally. 1994-12-18 16:05:49 +00:00
pk
b8937d605d Re-arrange mmap() calls, per Charles' suggestion. 1994-12-18 15:38:55 +00:00
pk
80a2d73dcc Don't let N_INDR entries override already defined symbols. 1994-12-17 16:22:57 +00:00
pk
524e00b29b Ensure contiguous chunks for all of an object's address space (text+data+bss). 1994-12-07 20:30:53 +00:00
mycroft
9ea7c211d9 Fix some other broken comments. 1994-12-04 08:26:22 +00:00
mycroft
ffadc8821a Remove silly comment that was causing `make depend' to barf. 1994-12-04 07:42:44 +00:00
pk
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
phil
0a13ae3ba2 patches from Matthias 
new RCS id format
 1994-11-30 06:20:42 +00:00
pk
e04b1df8e3 A short description of the machine dependent parts of ld/rtld. 1994-11-28 10:37:10 +00:00
pk
1f746cfba1 Prevent infinite loop on dubious input. 1994-10-30 14:18:42 +00:00
mycroft
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
mycroft
e23e2b1219 Remove two unused functions. 1994-10-26 20:03:31 +00:00
mycroft
c1a45e7763 Clean this up a bit, and use the trap gate to enter the kernel. 1994-10-26 19:41:13 +00:00
cgd
4d2cbfce0a new RCS ID format. 1994-10-26 00:55:40 +00:00
pk
c13cbefe95 Recognise more symbol types when complaining. 1994-10-19 20:16:38 +00:00
pk
633e8b717d Workaround a problem with alias symbols. 
Add some more symbol trace points.
 1994-10-19 20:15:35 +00:00
deraadt
43965575ed NBPG --> getpagesize() 1994-09-19 16:58:18 +00:00
mycroft
72e34bc0d4 Shrink ld.so by 12k. 1994-09-19 04:49:02 +00:00
pk
c76144bbf8 Postpone allocation of linkage table offsets until pass 2. 
Check for Global Offset Table overflows and, if needed, adjust the
offset range we'll use (offset 0 must always be in it).
 1994-08-21 15:22:43 +00:00
pk
74920774ee init_rrs() no longer needed. 
Adapt to changed flags.
 1994-08-21 15:18:44 +00:00
pk
66c04ea8cb Rename some flags. 1994-08-21 15:17:00 +00:00
pk
41671de8e6 Define Global Offset Table range. 1994-08-21 15:15:43 +00:00
cgd
45afd5bdba check for NOPIC after bsd.prog.mk, so that sys.mk is included. from phil. 1994-08-19 04:24:01 +00:00
phil
7297407d7b fix from Matthias Pfaller. 1994-08-16 23:18:20 +00:00
pk
864ea66ef9 Use new a.out flags. 1994-08-13 08:42:33 +00:00
pk
233cc208f0 Re-add `LD_WARN_NON_PURE_CODE' that went missing. 1994-08-12 08:11:16 +00:00
pk
867591e7cb Relax minor version number checking somewhat; issue warning if minor 
version is less than expected.
 1994-08-07 10:34:40 +00:00
pk
9e0ddbbe6f Remove some unnecessary code. 1994-08-03 15:57:58 +00:00
chopps
b6d669a07c binder_entry() must save all scratch registers to make the process 
of binding functions completely transparent.
 1994-08-03 15:57:54 +00:00
pk
f5ca392cc8 Propagate warning symbols into shared libraries too. 
Fix RRS relocation counters.
 1994-07-23 08:40:45 +00:00
pk
2b43180d6d Propagate N_WARNING symbols to `-r' output. 1994-07-21 14:59:01 +00:00
cgd
775b690718 fix typo; from phil 1994-07-04 19:46:37 +00:00
pk
1d1aa8ff38 Some refinement in resolving symbols from shared objects. 1994-06-29 11:18:45 +00:00
pk
1cf6a27eef error => warnx 1994-06-29 11:15:34 +00:00
pk
6f591a0e01 copyright notice. 1994-06-24 13:34:04 +00:00
pk
278342f622 N_WARNING symbols handling. 1994-06-24 13:33:50 +00:00
pk
af393037b0 N_WARNING symbols handling. 1994-06-24 13:33:40 +00:00
pk
009be1653a strdup() doesn't grok NULL pointers 1994-06-24 13:31:34 +00:00
pk
3f8aad55bf Fix false assumption about external (N_EXT) symbols always being 
in the global symbol table (reported by Geoff Rehmet).
Some misc. reformatting.
 1994-06-16 13:41:52 +00:00
pk
d64d286b35 Update man page. 
Use `__progname'.
 1994-06-16 13:38:27 +00:00
chopps
6a0e2061ce some changes for new style cachectl. remains compat for <= 030 1994-06-13 05:28:39 +00:00
pk
a43fd7b3a2 Conversion to err()/warn() for error reports. 1994-06-10 15:16:32 +00:00
pk
a6bf4f8176 Conversion to err()/warn() for error reports. 
Minor bug fixes:
	a case of free()ing in the wrong order. (from Rick Murphey).
	processing alias symbol twice (sometimes).
Some miscellaneous cleanup.
 1994-06-10 15:16:04 +00:00
pk
6082493356 -A' implies -Bstatic' 
`-d' implies `-dc'
 1994-05-25 16:09:40 +00:00
pk
ca0065ab75 Another move to .data to please gdb. 1994-05-25 10:14:37 +00:00
pk
4369371ef0 Enable dl*() prototypes. 1994-05-24 10:47:48 +00:00
pk
f28b14e8b3 Force some string constants into the data segment (for core-dump reading). 
Rename internal dl_*() functions.
Do run-time symbol alias processing.
 1994-05-24 10:44:06 +00:00
pk
72b85788e5 function parse() has moved to ld.c, thus avoiding scanf() code to be 
included in ld.so.
 1994-04-22 07:57:54 +00:00
pk
b1392e7c17 Properly round the allocated set vector space; reduces by one the number 
of ways in which C++ programs will dump core.
 1994-04-22 07:55:19 +00:00
pk
c83756b171 Careful when claiming jump slots in the "force alias" case. 
Taking the address of a function must not cause it to be relocated to
a possibly already allocated jump slot. C++ virtual function tables are
an example of this.
 1994-04-15 10:05:39 +00:00
pk
b6d3849691 Don't core dump on shared objects. We need an a.out flag really. 
Some misc cleanup.
 1994-04-10 08:54:30 +00:00
mycroft
31cfe023f3 Remove extra `\n' in message. 1994-04-10 01:52:02 +00:00
pk
f8af116033 dlopen() should make a copy of argument (Thomas Eberhardt). 1994-04-07 19:46:30 +00:00
pk
a426b2b937 ns32k support by Matthias Pfaller. 1994-04-07 19:44:46 +00:00
pk
afc89926d8 Use machine architecture when examining object files for compatibility. 1994-04-07 19:43:37 +00:00
pk
12f28a9ba6 PC relative segment relocations don't need to be looked at at run-time (such 
relocations occur on the ns32k).
Dump <strings.h> from header files.
 1994-04-07 19:41:17 +00:00
pk
158618112b Terminate comment at a reasonable place. 1994-04-03 18:38:02 +00:00
pk
b120bb4e37 Suck in lseek() prototype. 1994-03-31 14:17:29 +00:00
cgd
95d6a185be no more MAP_FILE 1994-03-28 02:07:04 +00:00
cgd
abe52e6608 fix section typo; from Luke Mewburn <lm@rmit.edu.au> 1994-03-19 08:02:14 +00:00
chopps
8e6af40327 oops 1994-03-08 23:50:14 +00:00
chopps
3fcebc3096 flush instruction cache. 1994-03-08 06:52:33 +00:00
pk
1bb4f06e2a Libraries which are in the hints file but not in one's LD_LIBRARY_PATH (if 
set) were not found.
 1994-02-15 22:51:23 +00:00
pk
9b345fd6e5 Define an adjustment for {TEXT,DAT}_ADDRs. 
Hide some things from rtld with #ifdef RTLD.
 1994-02-10 21:21:27 +00:00
pk
637c349300 Update relocation addend correctly (affects Sparc only). 1994-02-10 20:58:50 +00:00
jtc
fc1d8f3bac Fix spelling error in Copyright notice 1994-01-29 01:54:01 +00:00
pk
bc9bb1a343 Like others, allow for SunOS .o files. 1994-01-28 21:02:21 +00:00
mycroft
89583c18ac Clean up deleted files. 1994-01-28 21:01:29 +00:00
pk
d27581fb4b Use somewhat customized version of malloc, in stead of relying on a 
crummy sbrk() backend; proper aligment must be guaranteed on all archs.
Drafting dlopen, dlsym, et.al.
 1994-01-28 21:01:20 +00:00
pk
90cfba21cb Use `.type' directives generated by gcc. 
Numerous internal changes & bug fixes.
NOTE: must re-compile & re-link shared libraries before used to link programs.
 1994-01-28 20:56:09 +00:00
pk
64075b6a06 Remove reference to `mywrite()'. 1994-01-28 20:53:25 +00:00
pk
ad127b0a0a Redone from scratch, but maintain SunOS compatibility. 1994-01-28 20:26:52 +00:00
cgd
2f6038ba19 switch a define to move things down a page. seems to work fine. 1994-01-21 18:59:19 +00:00
pk
14c0d3cb5e Don't barf if builtin directories happen to be non-existent. 1994-01-13 19:35:38 +00:00
pk
954ef13a90 Fill in gdb hook. 1994-01-12 19:19:09 +00:00
pk
1d9da4ac9e Must look at relocation before classifying local symbols (affects `ld -r -x'). 1994-01-06 00:20:47 +00:00
pk
ebba6fe548 Fix bug with `-A' symbol-file handling. 1994-01-05 16:24:53 +00:00
pk
a71feb52bb Remove some debris, causing "multiple defined" messages to be missed. 1993-12-23 09:37:43 +00:00
pk
0cc050772f Hooks for for shared C++ objects with static contructors/destructors. 1993-12-20 22:44:35 +00:00
pk
a6aa50489e Add fflush(stdout) to get output in a intuitive order. 1993-12-16 08:33:36 +00:00
pk
e6ec7ca3da Whoops, a couple of lines at the wrong place. 1993-12-15 13:26:46 +00:00
pk
37bd8761bb Fix bug causing spurious "duplicate symbol" error messages (which then 
weren't printed)
 1993-12-10 20:24:48 +00:00
mycroft
a09abb4d2b Minor cleanup. 1993-12-10 05:10:22 +00:00
mycroft
8363f8736d Use MACHINE_ARCH. 1993-12-08 11:47:17 +00:00
pk
36a801eebd Isolate the tricky bits.. 1993-12-08 10:33:45 +00:00
pk
fb781361ed Small nits. 1993-12-08 10:28:56 +00:00
pk
a711901191 Parcelled out the heap allocator into separate file. 
Changes prototype for findshlib() (corrected library search order for ld).
 1993-12-08 10:28:05 +00:00
pk
efa4a5a7aa *** empty log message *** 1993-12-08 10:16:08 +00:00
pk
fa099af1f6 Many internal changes, most notably in the symbol counting stuff. 
`ld -r -x'  now supported on all object files.
Support for long archive member names (AR_EFMT1 format),
	thanks to Bill Sommerfeld/Mark Eichin
Do the right(?) thing with symbol aliases (N_INDR) for POSIX lover, especially
when equiping shared libraries with these (this was *not* fun).
Handle silly archives (.sa) for people who needs them; turn on by `-Bsilly'.
 1993-12-08 10:13:47 +00:00
mycroft
e331ce34d0 #include ctype.h, since we use isdigit(). 1993-12-07 03:04:28 +00:00
mycroft
e977e5242b Prototype concat() more strongly, and remove bogus definitions of variables 
in system .h files.
 1993-12-07 01:44:23 +00:00
cgd
1bd5116d82 MACHINE_ARCH support 1993-12-05 00:55:26 +00:00
cgd
1d330d5df9 MACHINE_ARCH support 1993-12-05 00:49:23 +00:00
mycroft
a284fbc30e Remove ${DESTDIR} from BINDIR. 1993-12-02 07:21:19 +00:00
paulus
5b59119fbb Machine-dependent part of ld for the m68k architecture, 
allowing ld to support shared libraries on m68k-based machines.
 1993-11-25 00:57:35 +00:00
mycroft
e9e6f64ef6 Add /usr/X386/lib to the standard list of library paths. 1993-11-21 21:01:08 +00:00
pk
ee0245d52d "ld -X -r": debug symbols starting with 'L' didn't make it to the symbol table. 
Precursor to more massive changes in local symbol handling.
 1993-11-14 19:01:40 +00:00
pk
4a64975120 Make `-Z' actually do something different again (old style ZMAGICs). 1993-11-14 16:51:17 +00:00
pk
c6cb826f23 Call breakpoint BPT' in stead of TRAP'. 1993-11-13 11:20:17 +00:00
pk
e5b3eedefb Eleminate duplicate inclusion of shared objects (libgcc!). 
Start using auxiliary information (using `n_other') to tackle aliasing of
function addresses and direct function calls in shared objects.
NOTE: currently protected by `#ifdef EXPERIMENTAL'.
 1993-11-10 21:53:30 +00:00
pk
a2d3040ffb Added function `md_set_breakpoint()'. 
Define for TRAP. NOTE: THIS IS DEFINED AS `ta 1'!. This may need to be
changed for NetBSD.
 1993-11-10 21:46:03 +00:00
pk
47aca600bd Added function `md_set_breakpoint()'. 1993-11-10 21:40:50 +00:00
pk
2d6241585d Do the debugger hooks. 
Revised algorithm for finding symbols using `nz_other' (auxialiary type info).
 1993-11-10 21:37:39 +00:00
pk
168c91b813 Use strsep() in stead of strtok() and restore colons in eg. env. vars. 1993-11-08 13:20:39 +00:00
pk
9446d24503 md_init_header: our exec header differs from SunOS's. 1993-11-06 19:15:31 +00:00
pk
2fb1bba1ae Do a better job of recognising data in text segments, eg. `const char []'. 1993-11-05 12:47:11 +00:00
pk
10d19f6580 Less spurious "undefined symbol" msgs for shared library defined symbols. 1993-11-05 12:45:25 +00:00
pk
fa3bfac6b2 Pull in archives containing definitions needed by shared objects. 1993-11-05 12:43:11 +00:00
pk
6e2bed1cac Print symbol name in "undefined" error msg. 1993-11-03 21:35:54 +00:00
cgd
0ea9b5363b add subdirs 1993-11-03 13:01:36 +00:00
cgd
c12bc1839f add -static to 'LDFLAGS', as it goes in /sbin 1993-11-03 05:20:49 +00:00
mycroft
25d572fb12 This warning is fucking annoying, and ld already told us about it when we 
linked the executable.  Make it #ifdef DEBUG.
 1993-11-03 04:58:57 +00:00
pk
2fe519a144 Documented the -Bshareable option (now required to build shared objects). 1993-11-02 22:56:51 +00:00
pk
94aab0b5fc The N_SET* symbols are back in. C++ object files can now be linked again. 
(not yet fit for *shared* C++ libraries).
 1993-11-01 16:26:13 +00:00
pk
be6ea65f08 Close those file descriptors. 1993-10-31 14:54:29 +00:00
pk
3f26fe8498 Check for EX_DYNAMIC flag in exec header. 1993-10-31 14:41:46 +00:00
pk
abbf20b6e1 use SHAREABLE in init_header() in stead of `entry_symbol'. 1993-10-27 00:56:17 +00:00
pk
b817714018 -Bshareable added to CFLAGS. 1993-10-27 00:55:24 +00:00
pk
762354917d use SHAREABLE in init_header() in stead of `entry_symbol'. 1993-10-27 00:54:58 +00:00
pk
4aa8c26f37 Improved handling of PIC code in "main stream" .o files. 
Don't touch __DYNAMIC when `-r' is on.
Now must use `-Bshareable' to make shared libraries.
 1993-10-27 00:53:39 +00:00
pk
8ea3d67031 Search for top-of-stack blew up if program had no environment strings. 1993-10-26 19:30:13 +00:00
cgd
130c0dd9d9 use gnu malloc 1993-10-26 06:56:08 +00:00