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vprintf_internal, so that:
* vprintf() does locking and __STDIO_STREAM_TRANS_TO_WRITE thing,
then calls vprintf_internal
* vsnprintf, vdprintf.c, vasprintf.c use
vprintf_internal directly
This makes sprintf faster (since it doesn't do any locking)
and stops it from pulling in fseek in static compile.
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The attached patch adds support for compiling arm uClibc as pure Thumb code.
This is needed because some recent ARM codes do not implement traditional ARM
mode. Specifically:
* Cortex-M1 - An extremely minimal FPGA based core that only implements
Thumb-1 (aka ARMv6-M).
* Cortex-M3 - A Thumb-2 only ARMv7-M core.
Most of uClibc already builds in Thumb mode, all that is left are a handful of
assembly bits.
Tested on arm-uclinuxeabi.
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Also, remove the hidden __memset symbol from memset.S
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Found a problem with the AVR32 optimized bzero() code. Due to a
missing #include, it actually generated no code.
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Added related test cases.
Signed-off-by: Matthew Wilcox <matthew@wil.cx>
Hacked-by: Carmelo Amoroso <carmelo.amoroso@st.com>
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The following definitions in getaddrinfo.c seem redundant as they _are_
defined in the public netdb.h header, contrary to the comment. AI_DEFAULT
is not, however it is not used in the file either so can be safely
removed.
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Signed-off-by: Chris Zankel <chris@zankel.net>
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This patch uses the HIDDEN_JUMPTARGET instead of the __GI_ prefix in AVR32
assembler files. This is done to follow the code style in uClibc.
Signed-off-by: Hans-Christian Egtvedt <hcegtvedt@atmel.com>
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in libc to avoid having to place executable code on stack.
Signed-off-by: Chris Zankel <chris@zankel.net>
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skinkie in #2194
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(patch by Bernd Schmidt <bernds_cb1 at t-online.de>)
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didn't provide one (Xtensa, for example, is such an architecture).
Signed-off-by: Chris Zankel <chris@zankel.net>
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when AI_NUMERICSERV flag set.
Signed-off-by: Filippo Arcidiacono <filippo.arcidiacono@st.com>
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allocations, dma_memcpy to move stuff between L1 and main memory, and a new
structure to describe the global data in L1 scratchpad memory.
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In file included from toolchain_build_i386/gcc-3.4.6/libiberty/hashtab.c:49:
build_i386/staging_dir/i386-linux-uclibc/sys-include/malloc.h:193: error: ISO C forbids data definition with no type or storage class
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We use the compiler-driver and not ld.
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a problem where the linker was trying to use the wrong symbol name for the
init function.
Define SYMBOL_PREFIX as _ in Rules.mak for h8300, bfin, i960,
microblaze, and v850. Add -D__UCLIBC_UNDERSCORES__ in CFLAGS for targets
which define SYMBOL_PREFIX as _. Remove defines and undefs from
uClibc_arch_features.h of each target.
Add $(SYMBOL_PREFIX) to __uClibc_init when passed by ld option -init.
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__dns_lookup(). This avoids segmentation faults when more than 1024
file descriptors are used by an application.
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MontaVista noticed that when their kernels were configured to trap on unaligned
access gethostbyname_r could mysteriously crash. I tracked this down to an
unaligned buffer being passed to gethostbyname_r from some other part of uClibc
(afraid I don't remember where from any more). We have to pad the beginning of
the buffer to a pointer alignment before we store pointers in it.
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doing double negatives
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This was one of the stragglers still bent on __uClibc_start_main
utilization, now it's only FR-V.
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execls fail by simply not releasing the memory reserved for the arguments of children processes
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generalizes what Blackfin was already doing)
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The following patches add support for the Xtensa processor architecture
to uClibc. They are based on a recent SVN checkout (12/05/2007).
The first patch (attached to this post) adds Xtensa support to various
shared configuration and make files. The following patches then include
the Xtensa specific files and directories.
I welcome any feedback and would appreciate it if you could include the
patches into the mainline tree. I am certainly committed to maintain the port.
Bob Wilson was kind enough to review the patches.
Some notes about the architecture: Xtensa is a configurable and
extensible processor architecture developed by Tensilica. For more
information, please visit: www.linux-xtensa.org.
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I noticed, that in libc/misc/syslog/syslog.c when the syslog socket is opened, the close-on-exec flag is not set, as it is in gnu libc.
This enables that behavior.
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When no TIOCGPTN definition is present in the kernel headers, the library's ptsname() function will not work.
The libc/stdlib/ptsname_r.c file is the problem. This file includes a complicated nest of #if directives. One of these #if's has the opposite sense from what is required.
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as documented in the function api
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On an i386 platform with no rt_sigsuspend syscall (ie: Linux 2.0), compilation will halt on libc/sysdeps/linux/common/sigsuspend.os with a cryptic error message:
"Error: non-constant expression in ".if" statement"
I've investigated and found that the cause is that a literal '0' is being passed into a block of complex assembler macrology that is only prepared to deal with register names - '%eax', etc.
In turn, that seems to be because of a typo in the GCC register constraints. The constraints for 2 and 3-argument syscalls includes a "C" constraint. To gcc, "C" means an SSE floating point constant -- an unlikely element in a syscall. I suspect the author meant to type "S" (%esi).
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getcwd syscall has an off-by-one allocation bug. As a result, sometimes the returned string has garbage at the end.
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on their own local copies while static linking dont hit link failures when other uClibc code force the libc.a objects to be pulled in via the hidden alias symbols
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