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Fix build issue due to missing symbols in !NPTL case:
- vfork
- _longjmp_unwind
Signed-off-by: Filippo Arcidiacono <filippo.arcidiacono@st.com>
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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From: Alan Davis <adavis@ti.com>
On C6X, when trying to execute a program that has a textrel DSO, it
fails to load. The telltale line in the LD_DEBUG output is:
_dl_get_ready_to_run:779: file=''; needed by './a.out'
The corresponding DT_NEEDED entry has 'libc.so.0', but here the
filename is empty. This is what is happening in
_dl_elf_shared_library():
First, map all segments according to their permissions. Text gets
initially mapped read-only.
Then, parse the dynamic information. The dynamic table is in RW but
some of the tags may point to RO. For example, DT_NEEDED points to a
string in .dynstr which is in RO. These pointers get computed
according to the loadmap from the original mapping.
Then, in response to a DT_TEXTREL tag, the RO segment gets remapped,
thereby invaliding anything that points to it, in particular certain
dynamic tags such as DT_NEEDED.
The following patch re-parses the dynamic info after the remapping so
as to re-compute any invalid pointers.
Signed-off-by: Alan Davis <adavis@ti.com>
Signed-off-by: Bernd Schmidt <bernds@codesourcery.com>
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Signed-off-by: Khem Raj <raj.khem@gmail.com>
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Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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While there, fix epoll_pwait syscall, it takes 6 arguments
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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Thanks to Thierry Reding for noticing!
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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and use pipe2 if available while at it.
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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This fixes 8d09a50a044638fde2ed3e1a1c4d3c7c5a3cce5c since NPTL also uses
madvise internally.
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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s/decriptor/descriptor/
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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use cancellation (with two 'l') uniformly.
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Note: TODO: This lacks cancellation support.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Rename EXTRA_CPPFLAGS to UCLIBC_EXTRA_CPPFLAGS and make them override
previous flags (by appending - not prepending - them to the other flags).
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use __ret uniformly to avoid shadow warnings as seen on x86_64.
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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Fixes compilation if NPTL is off.
I hope this doesn't break ARM EABI but cannot check ATM.
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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This reverts commit 7a080cd149c7b25d415d76506510d55b34819fc2.
This symbol is in fact different (as it is set no 'n').
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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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.. and add proper prototype, move it into it's own obj and other such
cleanups.
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Config symbals that are not set are empty, not 'n'.
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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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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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Fix dladdr to correctly handle local function's address so backtrace_symbols
print only the function address for these function, instead of showing the name
of nearest one.
Indeed the dladdr walk through the hash table to find the nearest symbol, that
doesn't contain local symbols.
Signed-off-by: Filippo Arcidiacono <filippo.arcidiacono@st.com>
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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These are split across objects so setting size does not (and never did)
work since the expression cannot be computed at assembly time.
This avoids errors from recent (> 2.21) gas.
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Commit 73d59554144f429b1cf0d4d7fa7de42bdf59ad92 completely broke
the x86 implementation of posix_fadvise64. It moved the first
the assembly code retn instruction gets missing depending on the
Technically the file has two implementaions for posix_fadvise64,
one when __NR_fadvise64_64 is available, and second one if only
__NR_fadvise64 is there. Fix the #ifdef's to be proper for that.
Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
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binutils-2.21 barf on .size that do not evaluate to const, so use
the section size and not a function that is not visible here.
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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binutils-2.21 barf on .size that do not evaluate to const, so use the
section size and not a function that is not visible here.
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Removing them generally was not a good idea
This reverts commit 233c504cd940d9802226b6a3a092368b86978f5e.
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sed -i -e '/\.size[[:space:]]/d' $(grep -l "\.size" libc/sysdeps/linux/*/crt*.[sSc])
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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* origin/master: (32 commits)
libubacktrace: fix backtrace support on arm-eabi, which needs libgcc_eh linked too
getaddrinfo.c: fix incorrect check for ERANGE from gethostbyaddr_r
getaddrinfo.c: improve code readability. No functional changes
string: remove unused variable
x86_64: silence warning if !TLS
buildsys: prettify ssp.c handling
madvise is LINUX_SPECIFIC
test_nptl: fix expected result for tst-cputimer[123]
test_nptl: fix expected result for tst-clock2 test
buildsys: make $(LOCAL_INSTALL_PATH) phony
ether_aton: reject invalid input
tests: disable ether tests if !HAS_SOCKET
inet: add ether_aton testcase
sysconf: clock_getres depends on HAS_REALTIME
__rt_sigwaitinfo: depends on HAS_REALTIME
buildsys: minor fixes in Makefile.arch for C6X
buildsys: minor fixes in Makefile.arch for microblaze
libubacktrace: enabled for all archs indeed.
sparc: don't access fp registers when configured for no fpu
libubacktrace: generic implementation based dwarf
...
Conflicts:
ldso/ldso/dl-elf.c
ldso/ldso/mips/elfinterp.c
ldso/ldso/x86_64/elfinterp.c
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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linked too
Signed-off-by: Henning Heinold <heinold@inf.fu-berlin.de>
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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Also, freeaddrinfo(NULL) is ok, no need to check parameted for NULL
before calling it.
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
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Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
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Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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TODO: fix all other arches
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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Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Signed-off-by: Filippo Arcidiacono <filippo.arcidiacono@st.com>
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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tst-clock2 should return 0 when _SC_THREAD_CPUTIME option isn't
available, instead of treating it as an error.
Further set the expected ret value as 0 avoiding to hide any real failures
in case of THREAD_CPUTIME feature available.
Signed-off-by: Filippo Arcidiacono <filippo.arcidiacono@st.com>
Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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Could depend on the individual files too but this makes sure that
nothing is missed.
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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fixes PR2227
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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Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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Bug was introduced in revision a202cf6f.
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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