Age | Commit message (Collapse) | Author |
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The force shareable code missed a spot of using the DL_RELOC_ADDR()
indirection thus leading to invalid operands:
ldso/ldso/ldso.c: In function '_dl_get_ready_to_run':
ldso/ldso/ldso.c:409: error: invalid operands to binary +
(have 'Elf32_Addr' and 'struct elf32_fdpic_loadaddr')
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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In file included from ./ldso/include/ldso.h:135,
from ldso/ldso/ldso.c:34:
./ldso/ldso/bfin/dl-inlines.h: In function '__dl_init_loadaddr_map':
./ldso/ldso/bfin/dl-inlines.h:43: warning: assignment makes pointer from integer without a cast
In file included from ldso/ldso/ldso.c:43:
ldso/ldso/bfin/elfinterp.c: In function '_dl_do_lazy_reloc':
ldso/ldso/bfin/elfinterp.c:299: warning: assignment makes pointer from integer without a cast
ldso/ldso/ldso.c: In function '_dl_get_ready_to_run':
ldso/ldso/ldso.c:534: warning: assignment makes integer from pointer without a cast
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Work around alleged binutils glitch with weak symbols on some arches.
See binutils ML, weak psm and vapier.
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text data bss dec hex filename
- 16709 240 92 17041 4291 lib/ld-uClibc.so
+ 16634 236 92 16962 4242 lib/ld-uClibc.so
- 4602 344 4 4950 1356 lib/libdl-0.9.30-svn.so
+ 4571 328 4 4903 1327 lib/libdl-0.9.30-svn.so
- 4602 344 4 4950 1356 lib/libdl.so
+ 4571 328 4 4903 1327 lib/libdl.so
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Currently we have an implementation in ld.so and libdl.a.
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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signedness warnings.
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Jacobowit <dan@codesourcery.com>
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of elf_resolve's loadaddr field for the main application.
Signed-off-by: Filippo Arcidiacono <filippo.arcidiacono@st.com>
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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A couple more target macros for ld.so to deal with FD-PIC support. We need
special code to compute the initial got and dpnt, and we need to pass extra
arguments to _dl_get_ready_to_run.
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Add the necessary changes in ld.so and libdl to deal with targets that
prepend an underscore to symbol names.
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Add a new function _dl_free. In _dl_malloc, ensure we always get back a full
page from mmap.
Reset _dl_malloc_function and _dl_free_function when libdl is initialized.
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containing an object built without -fpic/-fPIC - then:
* If __FORCE_SHAREABLE_TEXT_SEGMENTS__, then it gives an error "Can't
modify %s's text section. Use GCC option -fPIC for shared objects,
please.\n" and exits.
* Otherwise, it makes the library's pages writable and relocates it.
If it encounters text relocations in a position-independent executable -
one containing an object built without -fpie/-fPIE/-fpic/-fPIC - then:
* If __FORCE_SHAREABLE_TEXT_SEGMENTS__, it does nothing about making the
pages writable, leading to a crash.
* Otherwise, the loop to make the pages writable uses the same variable
ppnt as used in an outer loop, messing up that outer loop and also causing
a crash.
This patch fixes both cases, by giving an error if
__FORCE_SHAREABLE_TEXT_SEGMENTS__ and saving and restoring ppnt otherwise.
Tested in both cases on ARM EABI.
Joseph S. Myers
joseph@codesourcery.com
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Currently a static libdl.a doesn't run all the constructors or
destructors of the libraries it loads. I can't see a good reason for
that, and it does cause aborts in the destructors it does run for things
like libgcc.so on the Blackfin.
Fixed with the patch below - untested in mainline, but the equivalent
has been in our Blackfin tree for a while now.
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From Atsushi Nemoto.
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does not generate relocs
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_dl_debug_file for debug messages
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http://uclibc.org/lists/uclibc/2007-January/017165.html
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for .init and .fini array processing
for the gory details, see the mailing list:
http://www.uclibc.org/lists/uclibc/2006-January/014079.html
http://www.uclibc.org/lists/uclibc/2006-February/014285.html
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in ldso/ldso.c, function _dl_get_ready_to_run, the variable app_tpnt_tmp
is not initialized. The function _dl_parse_dynamic_info() initializes
some of their members but not all. For example, if the binary does _not_
contain a DT_TEXTREL record, it is possible that the condition
if (app_tpnt->dynamic_info[DT_TEXTREL])
is nevertheless true and we therefore enter the following code path
(ldso.c:270).
My suggestion is to add
_dl_memset(&app_tpnt_rel, 0, sizeof(app_tpnt_rel));
just behind the variable declarations of _dl_get_ready_to_run().
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init_fini_list
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