d7bbed6455
avoid linker warnings with the new binutils by not forcing ld.elf_so
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to be soft-float. the floating-point usage in ld.elf_so is only
because of stdarg functions like printf(), and gcc 4.5 is good
about not actually executing the FP instructions in such functions
unless FP values are passed to them, which ld.elf_so doesn't do.
2011-10-26 15:56:58 +00:00
1f1b5ad097
Don't block SIGTRAP so that on architectures where the debugger needs to
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be able to receive sigtrap for breakpoints to work, it can. For example
we are setting breakpoints inside dlopen(), after we've blocked the signal,
so the process keep trapping and looping over the trap instruction without
being able to send the signal. Another way would be to move the
_rtld_debug_state() calls outside the critical section...
2011-10-23 21:06:07 +00:00
4a9d1308c3
obsolete libgcc_pic and friends. all libgcc's are supposed to be pic
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for platforms with shlibs already (and are.)
this obsoletes our hacks for the libgcc specs to use libgcc_pic, and
fixes a couple of other issues reported to me directly.
2011-10-07 09:15:21 +00:00
1862dafe3f
match EXIT() with LEAF_ENTRY() so that sizes are actually constants.
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fixes binutils 2.21 build issues reported by he and chuq.
2011-09-30 03:05:43 +00:00
b7e0bd3662
match END() with a relevant ENTRY*(). gas 2.21 complains about the
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non-constant-ness of the symbol otherwise.
2011-09-26 01:52:22 +00:00
b398f9d2e5
gcc 4.5 generates an extra plabel in ld.elf_so,
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so expand the array of preallocated ones.
2011-09-25 13:34:54 +00:00
c5e4118a6b
consistent debugging info for program headers
2011-08-13 22:25:20 +00:00
9813f2c42a
printing the pathname of the shared object is much more useful than the
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object's address.
2011-08-13 22:24:57 +00:00
89c8b6528a
disable debugging that makes us core dump
2011-08-13 22:24:24 +00:00
d1a523b49d
sh3 also needs libgcc_pic for millicode (cf. revision 1.107)
2011-06-27 14:27:56 +00:00
c52f9a5df2
PR/45015: ld.elf_so: support ELF symbol versioning
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Applied latest patch.
2011-06-25 05:45:10 +00:00
94e4c3614b
Add libgcc_pic for millicode.
2011-06-05 23:08:17 +00:00
9ad3c16b3a
Use -Wl,-Bsymbolic directly for clang
2011-05-30 16:30:01 +00:00
b9972d39ce
Don't use division since we are only dealing with powers of 2.
2011-05-25 14:41:46 +00:00
6c5e962381
Disable use of various X86 extensions since _rtld_bind_start doesn't
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save the necessary registers.
2011-05-20 22:22:44 +00:00
5a156c51e2
Explicitly disable linking against libgcc and friends.
2011-05-20 22:21:32 +00:00
c5f8d1393d
Fix a Freudian slip found by rmind
2011-04-23 16:40:08 +00:00
f126fa1c9a
Add support for TLS relocations.
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From Joerg Sonnenberger
2011-04-12 16:40:04 +00:00
14d704c9e9
Add a workaround for older crt0.o that overwrite r2 (tcb pointer).
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(save tcb pointer using _lwp_setprivate in ld.elf_so and retrieve the tcb
via _lwp_getprivate in libc and use it to restore the value in r2).
2011-04-07 02:19:28 +00:00
278d108904
Revert pthread_atfork related change not intended for commit yet.
2011-04-02 16:49:49 +00:00
241421a0db
Unbreak HPPA
2011-04-02 12:30:41 +00:00
45f37e968c
Enable TLS for alpha - a 2nd class^Wtier system in pookaBSD^WNetBSD
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alpha_reloc.c diff from joerg on port-alpha.
2011-03-31 15:30:31 +00:00
dbbd50a95f
Add missing comma.
2011-03-31 12:47:01 +00:00
9f905ee41c
Add support for TLS relocations
2011-03-30 09:22:29 +00:00
3a4af49105
Add support for 64 bit TLS relocations.
2011-03-30 08:37:52 +00:00
8fa6585514
Block signals when using the exclusive lock.
2011-03-29 20:56:35 +00:00
e49f915c10
Refine locking scheme around init/fini to not hold the exclusive lock.
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Use a simple generation count instead and restart looking for work if it
changed (e.g. due to an dlopen call from an init function).
Leave the possible dlclose() race for now.
2011-03-28 00:37:40 +00:00
7435c9ba49
exit, not enter
2011-03-27 22:20:51 +00:00
23a805d314
Handle _rtld_exit as full entry point since other threads may still be
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running at the time.
2011-03-27 21:58:50 +00:00
2feaef06e3
Add some debug messages for explicit rtld entry points
2011-03-27 13:15:34 +00:00
0bc9be2143
Locking around dlclose()
2011-03-27 13:14:42 +00:00
d5a77cf108
Fix merge error that broke HPPA
2011-03-26 21:40:37 +00:00
cb1cd7e860
Add basic locking to ld.elf_so.
2011-03-25 18:07:04 +00:00
83c1874f74
Another TLS reloc. Thanks to joerg for a hint.
2011-03-17 22:07:52 +00:00
7e7a53defe
Add support for the MIPS TLS reloc types in shared libraries.
2011-03-15 07:40:52 +00:00
be1a58855d
More PLABELS are required due to TLS stuff.
2011-03-14 08:49:29 +00:00
d3aab036e1
Handle some TLS relocs.
2011-03-14 08:21:54 +00:00
92c298c3a1
First cut at mdtls.c for hppa.
2011-03-14 08:20:15 +00:00
e7a5551d99
Fill in TLS related fields in dl_iterate_phdr if TLS is supported
2011-03-13 21:08:45 +00:00
854e6cd69f
Add TLS support for AMD64, i386 and SH3.
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This material is based upon work partially supported by
The NetBSD Foundation under a contract with Joerg Sonnenberger.
2011-03-12 22:54:36 +00:00
130f2d3d4c
Add TLS support for PowerPC.
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If the port has __lwp_gettcb_fast or __lwp_settcb use them instead of
__lwp_getprivate_fast or lwp_setprivate.
2011-03-12 07:43:53 +00:00
7197db08bd
Add some clarifications
2011-03-10 17:38:30 +00:00
9c18c3d543
Add source reference for _lwp_makecontext and
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__HAVE___LWP_GETPRIVATE_FAST. Fix enumeration.
2011-03-10 17:22:17 +00:00
de4cf97515
Fix prototype for __tls_get_addr. Add a generic implementation of it
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using __tls_get_addr. Update TLS notes.
2011-03-10 14:27:31 +00:00
ff1072d23a
Whitespace.
2011-03-10 12:53:42 +00:00
aad599979d
Add TLS support infrastructure. For dynamic binaries, ld.elf_so exports
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_rtld_tls_allocate and _rtld_tls_free. libpthread uses this functions to
setup the thread private area of all new threads. ld.elf_so is
responsible for setting up the private area for the initial thread.
Similar functions are called from _libc_init for static binaries, using
dl_iterate_phdr to access the ELF Program Header.
Add test cases to exercise the different TLS storage models. Test cases
are compiled and installed on all platforms, but are skipped on
platforms not marked for TLS support.
This material is based upon work partially supported by
The NetBSD Foundation under a contract with Joerg Sonnenberger.
It is inspired by the TLS support in FreeBSD by Doug Rabson and the
clean ups of the DragonFly port of the original FreeBSD modifications.
2011-03-09 23:10:05 +00:00
4fee4fe7b3
Don't rely on >32bit math.
2011-03-04 00:40:48 +00:00
33ee52c7dc
make DEBUG compile without RTLD_DEBUG
2011-02-24 10:58:54 +00:00
483a1c95a2
Fix problem with bss-plt objects which a reloc index, not offset.
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(secure-plt uses an offset (index*sizeof(rela), bss-plt uses an index)
secure-plt will now take the offset and divide by 12 for an index.
2011-02-10 02:28:20 +00:00
3770380428
Unbreak gdb by ensuring _rtld_debug_state is in the dynamic symbol table.
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mmm 1 line diffs
mmm not breaking backwards compatibility for anything known/unknown or
public/private.
2011-01-25 12:25:43 +00:00
chs