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- synch F_LINUX_SPECIFIC_BASE related fcntls for all arches
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- pull bits/fcntl.h from glibc (Timo Teräs)
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The only code change observed is actually a case
where we were not doing that as needed:
00000000 <__GI_tzset>:
-53 push %ebx
-e8 00 00 00 00 call 6 <__GI_tzset+0x6>
-5b pop %ebx
-81 c3 03 00 00 00 add $0x3,%ebx
- R_386_GOTPC _GLOBAL_OFFSET_TABLE_
6a 00 push $0x0
-e8 fc ff ff ff call 10 <__GI_tzset+0x10>
- R_386_PLT32 time
+e8 fc ff ff ff call 3 <__GI_tzset+0x3>
+ R_386_PC32 __GI_time
3d ff 4e 98 45 cmp $0x45984eff,%eax
0f 9e c0 setle %al
0f b6 c0 movzbl %al,%eax
50 push %eax
-e8 fc ff ff ff call 21 <__GI_tzset+0x21>
+e8 fc ff ff ff call 14 <__GI_tzset+0x14>
R_386_PC32 _time_tzset
58 pop %eax
5a pop %edx
-5b pop %ebx
c3 ret
No mass migration of libc_hidden_proto(foo) planned.
Lets wait for potential fallout first.
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and add it to arpa/inet.h header.
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by Will Newton <will.newton@gmail.com>
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Poschwatta
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By capping max padding to not be bigger than three next insns,
we avoid having ridiculously big NOPs like this one:
53:66 66 66 66 2e 0f 1f nopw %cs:0x0(%rax,%rax,1)
5a:84 00 00 00 00 00
which was bigger than next three insns combined!
Size changes:
text data bss dec hex filename
102 0 0 102 66 x86_64/memcpy.o
102 0 0 102 66 x86_64.old/memcpy.o
90 0 0 90 5a x86_64/mempcpy.o
102 0 0 102 66 x86_64.old/mempcpy.o
210 0 0 210 d2 x86_64/memset.o
242 0 0 242 f2 x86_64.old/memset.o
213 0 0 213 d5 x86_64/stpcpy.o
220 0 0 220 dc x86_64.old/stpcpy.o
428 0 0 428 1ac x86_64/strcat.o
444 0 0 444 1bc x86_64.old/strcat.o
417 0 0 417 1a1 x86_64/strchr.o
418 0 0 418 1a2 x86_64.old/strchr.o
33 0 0 33 21 x86_64/strcmp.o
33 0 0 33 21 x86_64.old/strcmp.o
213 0 0 213 d5 x86_64/strcpy.o
220 0 0 220 dc x86_64.old/strcpy.o
135 0 0 135 87 x86_64/strcspn.o
151 0 0 151 97 x86_64.old/strcspn.o
225 0 0 225 e1 x86_64/strlen.o
233 0 0 233 e9 x86_64.old/strlen.o
140 0 0 140 8c x86_64/strpbrk.o
156 0 0 156 9c x86_64.old/strpbrk.o
135 0 0 135 87 x86_64/strspn.o
151 0 0 151 97 x86_64.old/strspn.o
Also, a few files got their .text alignment relaxed from 16 to 8 bytes,
which reduces padding at link time.
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e.g. testb $0xff, %cl -> testb %cl, %cl
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and marked with libc_hidden_proto/def(),
or not be exported in .h files
and be hidden (or even static if possible).
We have five functions which violate this. Fixing:
netdb.h: export ruserpass()
rpc/rpc.h: export xdr_accepted_reply() and xdr_rejected_reply()
make inet_ntoa_r static function (it is not exported in any .h file)
make _time_tzset hidden function (it is not exported in any .h file)
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(pointed out by Peter S.Mazinger)
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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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