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Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
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Add support for %p to _dl_dprintf for later corrections in debug messages.
Disable _dl_debug_file if LD debugging is not enabled and change it's use to 2.
The use of dprintf in elfinterp.c will spit out warnings, will be fixed in the
reworked ldso.
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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* origin/master:
bump version to 0.9.32-rc2-git
release 0.9.32-rc2
nptl: Fix __USER_LABEL_PREFIX__ concatenatio
nptl: fix start_thread() for _STACK_GROWS_UP
ldso: get rid of _dl_lookup_hash
Add protected symbols support for all architectures
Revert "ldso/arm: Correct protected symbol resolution"
Revert "ldso_sh: add support for protected symbols to SH"
Revert "ldso/i386: support protected symbols"
cris: Fix build issues
syslog: fix 'everyone logs with user facility'
__psfs_parse_spec: always use long int for %p
buildsys: headers target should not depend on sysnum.h
buildsys: fix make release target
nptl: get rid of the last preprocessor warning when __ASSUME_TGKILL is not defined
remove uClibc_ctype.h if !LOCALE
Revert "Makefile.in: Add header to 'all' target"
nptl: get rid of preprocessor warning when __ASSUME_TGKILL is not defined
Conflicts:
ldso/include/dl-hash.h
ldso/ldso/arm/elfinterp.c
ldso/ldso/avr32/elfinterp.c
ldso/ldso/bfin/elfinterp.c
ldso/ldso/cris/elfinterp.c
ldso/ldso/dl-hash.c
ldso/ldso/i386/elfinterp.c
ldso/ldso/m68k/elfinterp.c
ldso/ldso/mips/elfinterp.c
ldso/ldso/powerpc/elfinterp.c
ldso/ldso/sh/elfinterp.c
ldso/ldso/sh64/elfinterp.c
ldso/ldso/sparc/elfinterp.c
ldso/ldso/x86_64/elfinterp.c
ldso/ldso/xtensa/elfinterp.c
ldso/libdl/libdl.c
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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Protected symbols are global symbols for which interposition is not allowed.
We manage them in generic _dl_lookup_hash function. To handle protected symbols
we need to get a reference to the module that defines the symbol itself.
So we pass a new parameter 'struct symbol_ref' to the __dl_lookup_hash
that is defined as below:
struct symbol_ref {
const ElfW(Sym) *sym;
struct elf_resolve *tpnt;
};
The tpnt field is used as an ouput parameter and refers to the module which defines
the protected symbol.
Further it can be used as output parameter for TLS relocations and FDPIC case.
The sym field is instead used as an input parameter to detect the visibility of the
symbol we are looking-up.
In this way we get rid of different signatures for _dl_lookup_hash, allowing to remove
the _dl_find_hash wrapper.
This new structure is also suitable for prelink integration.
Signed-off-by: Salvatore Cro <salvatore.cro@st.com>
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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Update Arch specific part of the dynamic linker to the
latest cahnges required by prelink:
- Use _dl_loaded_modules->scope as global symbol scope
- Pass the sym argument (or NULL) to the _dl_find_hash
- Update _dl_parse, _dl_do_reloc, _dl_do_lazy_reloc and
_dl_parse_relocation_information to reflect the change of
the scope argument's type
- Add the call to _dl_debug_lookup used for trace prelinking.
Signed-off-by: Filippo Arcidiacono <filippo.arcidiacono@st.com>
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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With TLS _dl_find_hash grew an extra param.
These archs don't have TLS reloc support yet, but they do need to
compile without it.
Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
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from all archs.
Signed-off-by: Jiri Olsa <olsajiri@gmail.com>
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i386/m68k
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where possible. This will also make ldso smaller.
However the patch touches all archs and I have only tested PPC and x86.
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Andrew de Quincey, who has been most helpful getting this sorted
out, thanks. Thanks also to Peter Mazinger who did alot of testing.
Removed all traces of dl_parse_copy_information() since it is no longer used.
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Move COPY relocs back to _dl_do_reloc().
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Remove unused function parameter in ldso.
Remove echo option '-e' since it is not supported on Solaris.
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is needed if ldso should use libcs malloc whenever possible.
Fix RTLD_LAZY propagation to RTLD_NOW relocation when requested by
libdl.
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Hi it is me again.
This is the latest ldso patch. the NEW weak symbol handling works now
with a little special handling in _dl_find_hash(). You get to chose
if you want the new or old handling :)
There was 2 missing _dl_check_if_named_library_is_loaded() calls in _dlopen().
I then disabled the _dl_check_if_named_library_is_loaded() in dl-elf.c since
it is rendundant.
Question, why does some _dl_linux_resolver(), like i386, have 2 calls
to _dl_find_hash()? I think that is wrong, isn't it?
I really hope you can check this out soon ...
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_dl_parse_lazy_relocation_information() and _dl_parse_copy_information()
so they are all consistant, allowing for future consolidation.
Trim some trailing whitespace as well.
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Move all configuration options into the new config system.
-Erik
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shared library support. This also adds some cleaner error
handling, which I (Erik) then ported over to x86 and arm.
In addition Stefan added the following fixes:
- in hash.c was the lvalue handling of global library functions wrong.
To fix this I had to change the prototype of _dl_find_hash. (==> TIS and
ELF spec. Vers. 1.2)
- in ldso.c was the order of the .init sections calls wrong. Before we call
the initialization code of a library we have to check that all dependend
libraries are already initialized. This can easily made by calling it in the
revers loading order. For this I added a previous pointer chain.
- in ldso.c the ELF magics wasn't checked fo PPC, MIPS and SH architecture
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-Erik
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I am very pleased to announce that the MIPS dynamic linker/loader
for uClibc is now working. It works on big and little endian
platforms.
A few minor changes were needed to avoid breaking ldd, and since this
makes some non-trivial changes, I have tested on x86, arm, and powerpc
to be sure thoese arches didn't get broken. Excellent work Steven!
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is on we now default to resolving symbols permanently..
-Erik
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things up when we don't care about symbol resolution problems. Make
the lib loader always look first in the directory where the shared lib
loader was found.
-Erik
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-Erik
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nameing conflicts with std header files.
-Erik
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of _dl_fprintf which should really be _dl_dprintf
-Erik
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-Erik
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who knows if it will work, it just compiles cleanly :-)
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use linux kernel header files.
-Erik
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III and me. I've been working on stripping out arch dependant stuff and
replacing it with generic stuff whenever possible.
-Erik
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