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85 Commits

Author SHA1 Message Date
matt
0ce5ca145f Change to use a register prefix. 2002-02-24 01:06:18 +00:00
thorpej
cb2e377d4c Whitespace cleanup. 2002-02-04 18:18:51 +00:00
thorpej
67b1884571 Add support for dynamic linking on the SuperH. From Marcus Comstedt, 
with some bug fixes (namely, don't forget to consider the addend when
processing relocations) from me.
 2002-02-03 23:34:42 +00:00
thorpej
b3827960df Grumble. Put compiler options back into CPPFLAGS for now, since 
they're needed to build .S files with the correct PIC options.

XXX Really needs cleanup in <bsd.*.mk> to do this properly.
 2001-12-20 19:20:02 +00:00
thorpej
7dcc71da1d Don't put compiler options into CPPFLAGS. 2001-12-14 22:21:45 +00:00
thorpej
151a90b5ce ...and the other other missing notice. 2001-12-14 22:11:47 +00:00
thorpej
d63d6c6cea Add other missing copyright notice. 2001-12-14 22:07:23 +00:00
fvdl
02f3677f38 Add missing copyright notice. 2001-12-14 21:33:59 +00:00
thorpej
6d9f5579ab Garbage-collect the OLD_GOT stuff. 2001-12-14 21:25:22 +00:00
thorpej
6e94624a62 Add code to peek into the PLT and determine which PLT entry format 
is being used.
 2001-12-14 00:53:06 +00:00
thorpej
67925dcb0d Supply two lazy binding routines for Alpha: one that works with the 
old PLT format, and one that works with the new.

XXX We currently always use _rtld_bind_start_old() in
_rtld_setup_alpha_pltgot().  We need to add code to peek
into one of the PLT entries to see which format it's in
and pick the correct binding routine.
 2001-12-13 22:34:51 +00:00
thorpej
cbadc6e3d3 Use numeric labels. 2001-12-13 21:34:04 +00:00
thorpej
23abd45cd4 Add RCS ID. 2001-12-13 20:31:31 +00:00
thorpej
bbb7ad0534 * Add a linker script which provides a _GOT_END_ symbol that we can 
use to find the end of the GOT, rather than relying on _DYNAMIC
  to immediately follow the GOT.  (A change in current binutils
  moved _DYNAMIC, and thus would have broken our Alpha ld.elf_so).
* Add #ifdef'd out code to deal with the new PLT format.
 2001-12-13 20:30:48 +00:00
rafal
24ed46ea21 Fix bug found by Izumi Tsutsui -- if _rtld_find_symdef returned NULL, the 
runtime linker would crash.  Restore behavior similar to version 1.3, where
the runtime linker continues on, ignoring the symbol.
 2001-11-24 18:07:04 +00:00
rafal
2576af45bb Fix how underfined weak symbols are treated -- before, ld.so would do nothing 
with them, rather than defaulting them to zero.  This caused breakage with
the drawf EH stuff and init/fini code when they weren't used by the caller
(and hence the appropriate handlers were left undefined).  Also fix an un-
initialized variable in symbol.c that only MIPS MD code tripped over.
 2001-10-14 23:13:21 +00:00
mycroft
cf4aca11b5 In the `I can't believe it's been broken all this time' department: 
_rtld_bind_start must save and restore the condition codes.  Varargs functions
(like, say, printf()) depend on the state of cr1 to determine whether they need
to store floating point registers in the save area.  Without this, the first
call to any particular varargs function will fail if floating point values were
passed.
 2001-09-26 04:06:43 +00:00
mycroft
7ff3aa31e8 Reorganize PowerPC cold a little. The return value from _rtld_bind_pltgot() 
was ambiguous in the case of a weak symbol that was not defined.  This caused
RTLD_NOW to fail badly with shared libraries linked against the new crtbegin.o.
 2001-09-10 06:09:41 +00:00
eeh
192ea0d41e Correct some comments. 2001-08-14 22:17:48 +00:00
eeh
2e3cc27a62 Get rid of some debug code that should no longer be needed. 2001-08-14 20:16:38 +00:00
matt
85d99cf46c Fix binder routine to not use a volatile register. 2001-07-15 23:19:59 +00:00
matt
2285430c7e Bugfix for _rtld_start. Enable common plt processing code for arm 2001-07-15 17:31:02 +00:00
matt
a61a40997d Initial support for dynamic ELF support on ARM. 2001-07-15 03:08:33 +00:00
fvdl
b13cc91d31 Get stack layout right. 2001-06-20 17:58:16 +00:00
fvdl
e55b167011 Remove mistaken casts of PLT relocations to 32 bit values. 2001-06-20 17:58:05 +00:00
fvdl
315360cfd2 Adapt for an actually correct sys/exec_elf.h 2001-06-19 12:07:50 +00:00
fvdl
d1d73371a6 Preliminary x86-64 support. Not fully functional yet (toolchain bugs). 2001-06-19 01:11:03 +00:00
nathanw
ed485c7ad5 Correct spelling in a comment. 2001-05-28 06:10:20 +00:00
kleink
63ccd3db5b Sync with <sys/exec_elf.h> rev. 1.45: ElfNN_RelA -> ElfNN_Rela. 2001-04-25 12:24:50 +00:00
scw
b37a02f8c1 Define VARPSZ so dynamic binaries work on both 4K and 8K page size machines. 2000-12-21 09:12:54 +00:00
eeh
45de780533 Wrong register in machine code description. 2000-09-16 14:04:30 +00:00
matt
1ed7963458 Simplify some stuff. 2000-08-07 01:47:04 +00:00
mycroft
43cfeb27a9 Catch up with type changes. Also: 
* Apply DT_PLTRELSZ to (one of) pltrel or pltrela *after* we've finished
  parsing the headers, so we know which one.
* Fix sparc64 bogons.  (It works now!)
 2000-07-26 02:07:34 +00:00
eeh
55c1b7fb0d Fix some issues with SPARC V9 ELF binaries. 2000-07-18 22:33:55 +00:00
matt
824a084272 More VAX ELF changes. 2000-07-17 02:55:52 +00:00
matt
63465d3193 No need for RELOCATE_SELF since the VAX does real PIC. Rewrite the bind 
routine to deal with JMP .vs. CALLx differences.
 2000-07-14 22:03:02 +00:00
eeh
3cf5c2adbf Added support for the SPARC v9 ABI. 2000-07-13 23:14:17 +00:00
matt
86d15d820b Update to current <machine/asm.h> 2000-07-03 03:31:47 +00:00
matt
0189702cee minor fix now that i've defined the plt0 entry. 2000-05-22 19:17:04 +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
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
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
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
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