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a9c999925c
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165 Commits

Author SHA1 Message Date
mycroft
a9c999925c We don't need to save quite as many registers in the stub. 2002-09-25 08:00:26 +00:00
mycroft
729925dfb9 Push the _rtld_bind() interface into MD code -- it's just a trivial wrapper 
anyway.
 2002-09-25 07:27:49 +00:00
mycroft
896795d8a3 Minor cleanup, for clarity. 2002-09-25 03:57:15 +00:00
mycroft
a3c903f7cb Resolve the GOT before doing relocations. Then, when doing relocations, for 
symbols in the global part of the symbol table, use the updated GOT entry
rather than doing a lookup.  (This provides the same effect as `-z combreloc'
on other platforms -- at most one lookup is done per symbol.)

Unfortunately, it is necessary to turn off lazy binding on MIPS.  As the
comment says:

                         * XXX DANGER WILL ROBINSON!
                         * You might think this is stupid, as it intentionally
                         * defeats lazy binding -- and you'd be right.
                         * Unfortunately, for lazy binding to work right, we
                         * need to a way to force the GOT slots used for
                         * function pointers to be resolved immediately.  This
                         * is supposed to be done automatically by the linker,
                         * by not outputting a PLT slot and setting st_value
                         * to 0, but GNU ld does not do so reliably.
 2002-09-25 03:52:06 +00:00
mycroft
646628d7fa DOH! Adjust all the stack slots in _rtld_bind_start() so that the saved $a0 
is not in _rtld_bind_mips()'s $a3 argument save area.
 2002-09-24 21:57:20 +00:00
mycroft
64d3d6215a Ignore JMP_SLOT relocs when doing non-PLT relocations. The relalim trimming 
hack doesn't always work, because ld(1) sometimes puts the sections in the
wrong order.
 2002-09-24 15:04:48 +00:00
mycroft
56288dc0e5 %ld -> %p 2002-09-24 13:59:31 +00:00
mycroft
9d8c69b929 Remove vestiges of VARPSZ. 2002-09-24 12:12:07 +00:00
mycroft
97aed9957d -I${.CURDIR} is done at the top-level, so there's no need to do it here. 2002-09-24 01:59:44 +00:00
mycroft
b59c269424 Nuke reference to RTLD_RELOCATE_SELF. 2002-09-24 01:58:44 +00:00
mycroft
c3a2d8b7ba Add combreloc code here too. 2002-09-21 17:51:44 +00:00
junyoung
9754fa4d8e Make immediate binding work again by actually implementing 
_rtld_relocate_plt_objects(). Note that this is for i386 only;
any efforts to make it work on other platforms are left to
those who are using them...
 2002-09-17 07:29:46 +00:00
thorpej
7e6d181789 No PC24 relocs will ever be unaligned. Pointed out by mycroft. 2002-09-15 01:08:04 +00:00
thorpej
672853f217 It is possible for reloc entries to point to unaligned locations; handle 
this.
 2002-09-15 00:52:08 +00:00
thorpej
a2130a3a09 It is possible for reloc entries to point to unaligned locations; handle 
this.
 2002-09-14 23:53:21 +00:00
thorpej
b01748bb26 It is possible for reloc entries to point to unaligned locations; handle 
this.
 2002-09-14 23:21:13 +00:00
mycroft
a95d62a38e In _rtld_bind_mips(), if the symbol is undefined, die. 2002-09-13 20:32:24 +00:00
mycroft
cc2b1e9844 Add an explanatory comment. 2002-09-13 19:27:19 +00:00
mycroft
60330f4a69 The sense of the SHN_ABS test has always been reversed. Fortunately nobody 
ever tried to reference stuff like _DYNAMIC_LINK and _gp_disp in C code...
 2002-09-13 17:36:00 +00:00
mycroft
8f7fa0cfde Put back the lazy binding. For some bizarre reason, the linker occasionally 
does not create a PLT entry for a symbol, so we test st_value!=0 to see
whether we can do a PLT fixup.
 2002-09-13 17:07:12 +00:00
mycroft
a8dd8878cf Er, turn off lazy binding for the moment. It doesn't seem to be fully working. 2002-09-13 16:54:14 +00:00
mycroft
c1cf8538ec Simplify the GOT relocation code somewhat. 2002-09-13 16:31:28 +00:00
mycroft
e8b2fe1d2a Actually do lazy binding on this platform. 2002-09-13 16:03:20 +00:00
mycroft
c74fdd7069 Use the addend on GLOB_DAT relocs (same as ABS32). 2002-09-13 05:45:46 +00:00
mycroft
c65330320a Do not use the implicit addend on REFQUAD relocs (same as GLOB_DAT). 2002-09-13 05:45:13 +00:00
mycroft
daf8118731 Remove an old comment. 2002-09-13 04:09:49 +00:00
mycroft
4b55da479c _rtld_bind() is not used on MIPS. Should probably move it to MD code. 2002-09-13 03:09:38 +00:00
mycroft
f64e457cee Remove one more `dodebug' argument. 2002-09-12 23:11:37 +00:00
mycroft
a3b892d178 Nuke -DRTLD_RELOCATE_SELF and `dodebug' from orbit. 2002-09-12 22:56:28 +00:00
mycroft
5ad776fbd2 Move another declaration that doesn't belong in MI source. 2002-09-12 20:27:34 +00:00
mycroft
de4565ee93 Prototype different functions. 2002-09-12 20:24:03 +00:00
mycroft
547bc13b97 _rtld_bind_start() is not used in MI code, so declare it in the MD code. 2002-09-12 20:20:58 +00:00
mycroft
6530c89689 Slight tweak. 2002-09-12 18:43:17 +00:00
mycroft
326f270bfb The GOT is Elf_Addr[], not Elf_Word[]... 2002-09-12 18:36:43 +00:00
mycroft
6f0bda739f This ld script is now unnecessary. 2002-09-12 18:33:39 +00:00
mycroft
1165ce6f38 Clean up a little. 2002-09-12 18:28:53 +00:00
mycroft
2346aaad04 Move GOT relocation code from _rtld_setup_pltgot() to 
_rtld_relocate_nonplt_objects().  Add GOT self-relocation in
_rtld_relocate_nonplt_self().
MIPS ld.elf_so can now relocate itself.
 2002-09-12 18:21:18 +00:00
mycroft
d04429c6a7 Figure out the relocation offset and pass it to _rtld(). 2002-09-12 17:43:30 +00:00
mycroft
ebf50cdfbc Update comments. 2002-09-12 17:18:37 +00:00
mycroft
ac81e3266b Snapshot of work to make MIPS ld.elf_so relocatable. 2002-09-12 17:08:32 +00:00
mycroft
5ee0e5e1c4 Pass the calculated relocation offset down to _rtld(). 2002-09-12 17:07:25 +00:00
mycroft
1da1ca49f2 Do the _rtld_relocate_nonplt_self() thing here, and nuke the ld script. 2002-09-11 22:28:32 +00:00
mycroft
fb69b8bec4 Implement _rtld_relocate_nonplt_self() here. 2002-09-11 21:14:08 +00:00
mycroft
a57ae642a3 We don't use _GLOBAL_OFFSET_TABLE_ any more, so don't .global it. 2002-09-11 20:56:09 +00:00
mycroft
f1725abea5 Add a _rtld_relocate_nonplt_self() here too. 2002-09-11 20:45:52 +00:00
mycroft
403e42f619 Do self-relocation similar to sparc. 2002-09-11 19:46:40 +00:00
mycroft
e46eb805f1 This ld script is no longer necessary. 2002-09-11 19:46:04 +00:00
mycroft
aa1330ce71 Do the _rtld_relocate_nonplt_self() thing for SPARC. 2002-09-11 19:11:05 +00:00
mycroft
82148aec74 The ld script is no longer necessary. 2002-09-11 18:20:47 +00:00
mycroft
d603bed369 Implement _rtld_relocate_nonplt_self() on Alpha. 2002-09-11 18:18:37 +00:00