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154 Commits

Author SHA1 Message Date
christos baeb94e0b1 Also set __mainprog_obj so .ini sections can call dlopen() 2000-06-16 19:51:05 +00:00
cgd db755e7c76 sweep of my licenses (userland files w/o only my copyright) for 
consistency.  (no functional changes)
 2000-06-14 17:24:02 +00:00
cgd d220ca5ba3 fix up NetBSD RCS Ids to match the standard, and the leading comment as 
to match as well.  No functional changes.
 2000-06-14 06:48:47 +00:00
jdolecek 06d16ede1e slighly move the assert() added in last commit, so that it's 
actually useful
 2000-06-03 06:51:57 +00:00
jdolecek 2a05365bbb _rtld_unref_dag(): needed->obj might be null if the unreffed object has 
some unsatisfied references (most often when compiled without necessary
	-Wl,-R), so check for that instead of causing null-dereference;
	this way the code has a chance to cleanup after itself and report
	the error to caller

Thanks to Jason Thorpe for helping fix this!
 2000-06-02 22:52:28 +00:00
matt 0189702cee minor fix now that i've defined the plt0 entry. 2000-05-22 19:17:04 +00:00
bjh21 6c97e2bd78 Initial commit of arm26 port 2000-05-09 21:55:44 +00:00
kleink e425e0a706 PowerPC: support ADDR16_LO, ADDR16_HI and ADDR16_HA relocations. 2000-05-01 11:41:08 +00:00
erh a497b0d8ab Cause ld.elf_so to find the symbols for __progname and environ and set them. If we wait until crt0 gets around to doing it it's too late for any library init functions. 2000-04-15 05:41:46 +00:00
christos 46d52e1ec5 re-indent sanely _rtld_dlsym() [no functional change] 2000-04-15 05:27:49 +00:00
soren 0b24ff5b31 Also print a newline after the error in the xwarnx case. 2000-04-02 23:04:32 +00:00
mycroft 3d5dc334de Don't try to get libc_pic from the libc compile directory. If we're doing a 
build, libc has already been installed.
 2000-03-26 21:55:55 +00:00
chs 871e0c1533 switch back to using a file mapping for the initial mapping of a new object. 
this allows the kernel to use PMAP_PREFER() to give us better alignment on
platforms that care.
 2000-02-13 04:28:09 +00:00
scottb 076e309d3e change first argument of dladdr to const. 2000-02-08 16:22:59 +00:00
scottb c0cf420b69 add hooks to support the dladdr function. 2000-02-07 21:40:40 +00:00
kleink 65b8f3b2eb Change _rtld_dlclose() to unload the object via _rtld_unload_object() rather 
than by itself.  Besides being duplicated code the open-coded version
also did not take care of cleaning up after the object's DAG(!).
Fixes PR bin/8905.
 2000-02-07 19:02:49 +00:00
christos 3bc3e6f774 use xwarnx instead of warnx 2000-01-15 01:03:45 +00:00
christos 3856850e36 don't stutter when printing error messages. 1999-12-27 15:36:36 +00:00
christos b360d70cb7 PR/9031: Scott Ellis: Ignore empty sysctl directive lines. 1999-12-20 02:43:58 +00:00
christos 4374b52ab0 make a debugging formatting statement work portably 1999-12-15 20:13:31 +00:00
christos f0e72d450d Do what the people want. Support full sysctl names. 1999-12-15 05:22:37 +00:00
christos 75bdf8c379 indent properly a debugging statement and fix grammar. 1999-12-13 10:47:38 +00:00
christos aa594cf123 For the benefit of ldd and debuggers, append more Needed_Entry elements 
if the library transformation attached more than one element.
 1999-12-13 09:22:52 +00:00
christos ea816c78b2 Enable parsing and mapping of hardware dependent libraries in ld.so.conf 
To be documented in the man page.
 1999-12-13 09:09:34 +00:00
itohy 69c745c3d5 Use "addend" for R_68K_GOT32, R_68K_PC32, and R_68K_32 relocations. 
I'm not sure whether R_68K_GOT32 relocations appear in shared
objects, though....

Example:
	lea	%pc@(got+0x1234@GOTPC),%a0	| R_68K_GOT32
	bsrl	foo+0x5678			| R_68K_PC32
	lea	bar+0x9abc,%a1			| R_68K_32
 1999-12-08 08:47:10 +00:00
fredb d37aed91fb More CL* fallout. 1999-12-05 18:36:25 +00:00
thorpej 3bf43967ff Name consistencty nit: curmark -> _rtld_curmark 1999-11-10 18:48:19 +00:00
thorpej 70e2953dac Some slight cosmetic cleanup. 1999-11-10 18:34:49 +00:00
mycroft bbe4b07983 Make this more likely to compile with ld.elf_so changes. (But this is 
untested.)
 1999-11-07 08:08:15 +00:00
mycroft 4bbb8dc9fb Make this more likely to compile with ld.elf_so changes. (But this is 
untested.)
 1999-11-07 08:01:51 +00:00
mycroft 7ea23adf34 More fallout. 1999-11-07 06:48:21 +00:00
mycroft 4b9f2ff9e0 Fix fallout from MD ld.elf_so changes. 1999-11-07 06:41:49 +00:00
mycroft 305c949781 Changes from msaitoh to fix local/global symbol confusion, and to fix weak 
symbol support -- updated by me for elf.h changes.
 1999-11-07 00:21:12 +00:00
erh 6752f572d8 Remove ELFNAME defines since they are defined in sys/exec_elf.h 1999-11-04 02:00:17 +00:00
simonb d10f49f606 More SVR4-style ELF cleanups. 1999-10-28 23:58:21 +00:00
tsubai 64ac9d7bdb Revert to rev. 1.4. This file didn't need to change. 1999-10-28 09:50:07 +00:00
kleink 522cbf0248 Update to match new SVR4-style definition names in <sys/exec_elf.h>. 1999-10-25 13:55:06 +00:00
hannken 222397ee58 Undo last change. While these macros are defined in exec_elf.h, they are 
enclosed by `#ifdef _KERNEL'.
 1999-10-22 10:39:16 +00:00
hannken db05621dec Undo last change. While these macros are defined in exec_elf.h, they are 
enclosed by `#ifdef _KERNEL'.
 1999-10-22 10:30:08 +00:00
erh b11baa5513 Remove ELFNAME macros which are already defines in exec_elf.h 1999-10-21 21:15:04 +00:00
itohy 6fa7d72ce5 Make __SVR4_ABI__ optional. 1999-10-18 03:26:53 +00:00
kleink 83265a56f2 Bump text alignments to 4 bytes. 1999-08-23 09:13:25 +00:00
matt 741f18b695 Initial VAX ELF32 support (mostly untested). It's checked primarily for 
testing and archival for now.  I don't expect anyone to work with it
since the binutils and gas changes are still pending.  But you got to
crawl before you walk.
 1999-08-21 19:26:18 +00:00
christos 46cd6f2aad reflect reality 1999-08-20 21:12:47 +00:00
christos 2f37f42366 fix typo 1999-08-20 21:10:27 +00:00
christos fb292d7f02 enable /etc/ld.so.conf processing 
[reviewed by thorpej]
 1999-08-19 23:42:15 +00:00
thorpej 5c5817ee4a When allocating the entire address space of an object, map an anonymous 
region first (using the data/bss protection) covering it, then overlay
the text and data regions at the appropriate offsets within the region,
and then unmap any gap between the text and data.

The previous method of maping the entire address space with the actual
file object itself is incorrect, as it may extend past the end of the
file if the section alignment is large enough.

This bug was the source of the libposix failure on the SPARC and another
similar failure (with libc!) on the Alpha (failure was accompanied by
a "uvn_io: size check fired" message on the console).
 1999-08-06 22:33:49 +00:00
kleink 1cc052ce00 Rearrange the shared library search path precedences to LD_LIBRARY_PATH > 
runpath > built-in default; this is the behaviour of the SVR4 shared loader,
and gives users the opportunity to override the runpath.  (Addresses a report
on current-users by John Kohl.)
 1999-08-01 19:47:07 +00:00
thorpej 4d256c199f When dlopen()'ing a shared object without an absolute pathname, search 
for it in the rpath of the main program as well as the path specified
in LD_LIBRARY_PATH.
 1999-07-22 00:18:19 +00:00
thorpej 206408b533 Protect certain definitions from view by crt0, by wrapping them in 
#ifdef _RTLD_SOURCE.

Should fix the "variable page size" build error of crt0 on the SPARC.
 1999-07-05 17:55:34 +00:00