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142 Commits

Author SHA1 Message Date
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
christos 00e5621847 We need to compile with -DVARPSZ, because the sparc has a variable page 
size depending on arch. Make it an error to compile without it. This
caused -lposix linked programs to fail.
 1999-06-22 16:28:22 +00:00
thorpej 3787c5c3d8 MAP_COPY -> MAP_PRIVATE 1999-06-17 21:09:47 +00:00
kleink 8788923e6a Turn bool, true and false into an enumeration and enumeration constants to 
avoid integer promotion warnings.
 1999-06-16 15:41:24 +00:00
kleink 571aef82d9 Don't include the ident .note assembly when linting. 1999-06-15 15:54:28 +00:00
castor c195474580 This should use MACHINE_ARCH and test on "mipseb" instead of MACHINE and 
"newsmips"
 1999-06-07 18:04:31 +00:00
kleink 4a61873f68 Update for m68k. 1999-05-31 14:52:11 +00:00
kleink 8b74e6d78e Implement LD_PRELOAD support. 1999-05-31 14:48:16 +00:00
tsubai c47f82d209 syncicache is needed... 1999-05-21 08:00:11 +00:00
thorpej adadf5ecc7 Don't even make depend if we're not going to build ld.elf_so. this is 
especially important if the assembler syntax is different.
 1999-05-07 22:04:27 +00:00
kleink 4b749d888f Always use ${MACHINE_ARCH} rather than ${MACHINE}, and reorder architectures 
a bit.
 1999-04-29 15:31:05 +00:00
kleink 75030fa2ee Add m68k code. 1999-04-29 15:06:41 +00:00
thorpej 44672d5287 Simplify _rtld_start() a little, and shave some cycles. Spefically, there's 
no need to save the stack pointer.  Just push the space for the cleanup
and obj_main pointers before calling _rtld(), and pop it after loading those
pointers into the appropriate argument registers for the program entry point.
 1999-04-19 00:05:00 +00:00