Age | Commit message (Collapse) | Author |
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Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
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Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
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Handle O=
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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The entry symbol is __start rather than __dl_boot. While in the past this
was silently ignored, now with common code checking the _start symbol in C
code, we end up with link errors:
ldso/ldso/ld-uClibc_so.a(ldso.oS): In function `__dl_get_ready_to_run':
ldso/ldso/ldso.c:(.text+0x2b30): undefined reference to `__start'
collect2: ld returned 1 exit status
make[1]: *** [lib/ld-uClibc.so] Error 1
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The order of attributes in a function definition matters and in a few
places in the Blackfin code, it was being applied to the return type
instead of the function itself.
In file included from ldso/ldso/ldso.c:43:
ldso/ldso/bfin/elfinterp.c: At top level:
ldso/ldso/bfin/elfinterp.c:42: warning: '__visibility__' attribute ignored on non-class types
In file included from ldso/ldso/bfin/elfinterp.c:341,
from ldso/ldso/ldso.c:43:
libc/sysdeps/linux/bfin/crtreloc.c: At top level:
libc/sysdeps/linux/bfin/crtreloc.c:91: warning: 'visibility' attribute ignored on non-class types
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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The Blackfin port never defined elf_machine_load_address() because the one
place this code is called never matters to us. But without it, common code
likes to hit a build failure, so stub it out.
ldso/ldso/dl-startup.c: In function '_dl_start':
ldso/ldso/dl-startup.c:170: warning: implicit declaration of function 'elf_machine_load_address'
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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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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These match the kernel/etc... pieces already merged.
Signed-off-by: Jie Zhang <jie.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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If an arch (like alpha and others) have no ldso support at all, then there
is no point in attempting to walk loaded modules in the dl-* helper funcs.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Ron Lee <ron@debian.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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gcc-4.4 now barks about this, so appease it.
Signed-off-by: Ron Lee <ron@debian.org>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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This is to match changes in the toolchain.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
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Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
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M5485 processor
1. Disable mmap2() if we're compiling for coldfire and fall back to mmap().
It seems to map a different file area on a 2.6.25 linux kernel.
2. Uses pc-relative addresing[1], computes ADDR_ALIGN, PAGE_ALIGN
and OFFSET_ALIGN relatively to _dl_pagesize[3].
On coldfire/M5485 _dl_pagesize is 0x2000.
Signed-off-by: Groleo Marius <groleo@gmail.com>
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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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from all archs.
Signed-off-by: Jiri Olsa <olsajiri@gmail.com>
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It is controlled by ARCH_NEEDS_BOOTSTRAP_RELOCS macro.
Signed-off-by: Jirka <olsajiri@gmail.com>
Acked-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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SIgned-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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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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ldso/ldso/avr32/dl-startup.h: remove superfluous definition of START() macro.
ldso/ldso/*/dl-startup.h: fix a typo in comment
text data bss dec hex filename
- 16752 244 92 17088 42c0 lib/ld-uClibc.so
+ 16709 240 92 17041 4291 lib/ld-uClibc.so
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Some powerpc machines can support 64k pages, enabled by the
CONFIG_64K_PAGES option in linux.
However, the uClibc dynamic loader won't currently work on these
machines, as it uses hard-coded values (PAGE_ALIGN, ADDR_ALIGN and
OFFS_ALIGN) in the ldso architecture-specific headers. When running on
a kernel with 64k pages, ld.so tries to mmap with 4k-aligned addresses,
rather than 64k, so mmap fails with -EINVAL.
When booting a 64k machine with a uClibc dynamic linker, init fails
with:
/init:500: can't map '/lib/libc.so.0'
/init:500: can't map '/lib/libc.so.0'
/init:500: can't map '/lib/libc.so.0'
/init: can't load library 'libc.so.0'
Kernel panic - not syncing: Attempted to kill init!
This change allows ld.so determine these alignment masks at runtime,
rather than compile-time. Since we have the _dl_pagesize variable
available, we can use that to generate the appropriate masks.
Since almost all of the architectures can use the common definitions for
the _ALIGN macros, we can consolidate them all in ldso.h, and override
in the sysdep headers where necessary (ie, mips).
This allows me to start a uClibc-based root fs on a 64k machine.
Signed-off-by: Jeremy Kerr <jk at ozlabs org>
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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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This patch will prefix the i and nr_got variable with an underscore to seperate
them from any variables already present in the functions where the macro is
used.
Needed to silence compiler warnings.
Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
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Replace __inline__ with __always_inline.
Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
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Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
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Closes #3824
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dl_cleanup will call do_dlclose with the handle.
Inside of do_dlclose, the handle will ultimately get free'd.
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ldso and syscalls are __always_inline (the latter would need more cleanup)
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Closes issue #5194
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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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Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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8 byte aligned. The dynamic linker's malloc needs to match this so structures
become 8 byte aligned to void unaligned accesses.
(71_all_uClibc-arm_fix_alignment.patch from gentoo)
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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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