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21bfcecf7a
Commit Graph

137 Commits

Author SHA1 Message Date
Roland McGrath
21bfcecf7a Make armv6t2 strlen work in ARM mode too. 2013-08-30 10:43:39 -07:00
Will Newton
6b06ac56cd ARM: Fix clone code when built for Thumb. 
The mov lr, pc instruction will lose the Thumb bit from the return address
so use blx lr instead.

ports/ChangeLog.arm:

2013-08-30  Will Newton  <will.newton@linaro.org>

	[BZ #15909]
	* sysdeps/unix/sysv/linux/arm/clone.S (__clone): Use blx
	instead of mov lr, pc.
 2013-08-30 10:50:25 +01:00
Will Newton
2601bc1860 sysdeps/arm/armv6t2/strlen.S: strlen implementation for armv6t2. 
This implementation of strlen is faster than the armv6 version for
all string lengths greater than 1 on a Cortex-A15.

ports/ChangeLog.arm:

2013-08-09  Will Newton  <will.newton@linaro.org>

	* sysdeps/arm/armv6t2/strlen.S: New file.
 2013-08-30 10:04:57 +01:00
Thomas Schwinge
c54290cf08 Use ELFOSABI_GNU instead of ELFOSABI_LINUX. 2013-08-29 12:22:17 +02:00
Carlos O'Donell
d0721e703d ARM: Pass dl_hwcap to IFUNC resolver. 
For REL relocs pass dl_hwcap to the IFUNC resolver
as is required by the IFUNC API (bug 15905).
 2013-08-29 00:20:35 -04:00
Joseph Myers
a0d93e9b26 Condition sysdeps/arm/include/bits/setjmp.h contents on _ISOMAC. 2013-07-03 21:59:58 +00:00
Joseph Myers
b4ac1f6acb Regenerate ARM ulps. 2013-07-02 20:34:19 +00:00
Joseph Myers
6bed143eb4 Make soft-float ARM use soft-fp fma/fmaf. 2013-07-02 19:51:19 +00:00
Will Newton
1413c693d3 ARM: Pass dl_hwcap to IFUNC resolver functions. 2013-07-02 13:01:21 +00:00
Ryan S. Arnold
1ae8bfe07c Add GLRO(dl_hwcap2) for new AT_HWCAP2 auxv_t a_type. 2013-06-28 16:50:48 -05:00
Roland McGrath
02a809d2cd sysdeps/arm/arm-mcount.S: Comment typo fix. 2013-06-18 15:58:48 -07:00
Roland McGrath
733edfb8ae ARM: Make armv7 memcpy implementations SFI-friendly 2013-06-18 15:42:56 -07:00
Roland McGrath
d7dffa6a55 ARM: Clean up __libc_ifunc_impl_list 2013-06-18 10:11:02 -07:00
Joseph Myers
18e5cc3a82 Fix warnings from ARM soft-float fpu_control.h. 2013-06-18 00:35:03 +00:00
Joseph Myers
c411604296 Wrap test-fpucw.c for ARM. 2013-06-18 00:30:44 +00:00
Joseph Myers
3023a72eb8 Make ARM feenableexcept detect failure (bug 14907). 2013-06-17 17:20:23 +00:00
Siddhesh Poyarekar
61dd6208fb New API to set default thread attributes 
This patch introduces two new convenience functions to set the default
thread attributes used for creating threads.  This allows a programmer
to set the default thread attributes just once in a process and then
run pthread_create without additional attributes.
 2013-06-15 12:24:15 +05:30
Joseph Myers
c69f6af9e5 Update ARM _FPU_RESERVED value. 2013-06-14 21:19:35 +00:00
Joseph Myers
f1d73d30df Add exception information to math-tests.h and use it in libm-test.inc. 2013-06-11 15:44:31 +00:00
Joseph Myers
0efa6f8b99 Add rounding mode information to math-tests.h and use it in libm-test.inc. 2013-06-10 12:34:49 +00:00
Richard Henderson
ecdaa7c920 BZ #15583: r7 uninitialized in strcpy.S when ARM_HAS_T2 undefined 2013-06-05 15:52:01 -07:00
Joseph Myers
5556231db2 Remove trailing whitespace in ports. 2013-06-05 20:26:40 +00:00
Joseph Myers
fab7ce3f5b Link extra-libs consistently with libc and ld.so. 2013-05-31 16:16:33 +00:00
Siddhesh Poyarekar
b937534868 Avoid crashing in LD_DEBUG when program name is unavailable 
Resolves: #15465

The program name may be unavailable if the user application tampers
with argc and argv[].  Some parts of the dynamic linker caters for
this while others don't, so this patch consolidates the check and
fallback into a single macro and updates all users.
 2013-05-29 21:34:12 +05:30
Joseph Myers
b50a71810b Don't include expected results in libm-test test names. 2013-05-22 11:49:36 +00:00
Joseph Myers
db62a90753 Handle sincos with generic libm-test logic. 2013-05-19 14:45:41 +00:00
Ryan S. Arnold
e054f49430 Add #include <stdint.h> for uint[32|64]_t usage (except installed headers). 2013-05-16 11:32:54 -05:00
Joseph Myers
0175558aa0 Stop ARM setjmp/longjmp saving/restoring fpscr (bug 14908). 2013-05-14 19:50:14 +00:00
Roland McGrath
5d5ef5dbfc ARM: Make multiarch memcpy always use NEON when compiler does 2013-05-13 16:13:14 -07:00
Will Newton
ae65139d14 ARM: Add Cortex-A15 optimized NEON and VFP memcpy routines, with IFUNC. 2013-05-08 12:06:34 +00:00
Roland McGrath
1a0fc08754 ARM: Rewrite elf_machine_dynamic in pure C. 2013-05-07 10:29:13 -07:00
Roland McGrath
12290c0614 ARM: Add missing sfi_breg prefix in _dl_tlsdesc_dynamic code. 2013-05-06 12:53:55 -07:00
Roland McGrath
7214d558d3 ARM: Macroize assembly use of EABI unwind directives. 2013-04-19 11:33:01 -07:00
Mans Rullgard
28831a9a67 ARM: fix preconfigure. 2013-03-26 20:53:16 +00:00
Joseph Myers
d56ca734b5 Use LIBC_CONFIG_VAR for ARM default-abi setting. 2013-03-20 23:15:42 +00:00
Roland McGrath
6bcae14685 ARM: Make dl-tlsdesc.S use sfi_breg, respect ARM_ALWAYS_BX and ARM_NO_INDEX_REGISTER. 2013-03-18 15:02:44 -07:00
Roland McGrath
1362a2aa4e ARM: sfi_sp assembler macro 2013-03-15 09:32:16 -07:00
Roland McGrath
a7ac752299 ARM: sfi_breg assembler macro 2013-03-15 09:31:56 -07:00
Roland McGrath
bb48a26acf ARM_BX_ALIGN_LOG2 2013-03-13 12:36:53 -07:00
Roland McGrath
ccffb2a2db ARM: Handle ARM_ALWAYS_BX in {add,sub}_n.S code. 2013-03-13 09:51:37 -07:00
Roland McGrath
9e1d4ac924 ARM: Support avoiding pc as destination register. 2013-03-13 09:40:55 -07:00
Roland McGrath
4f510e3aee ARM: Make armv6t2 memchr implementation usable without Thumb. 2013-03-12 17:04:54 -07:00
Roland McGrath
47c71d9323 ARM: Change register allocation in armv6t2 memchr implementation. 2013-03-12 17:04:54 -07:00
Joseph Myers
b7845b6388 Add comments about ARM configure -fno-unwind-tables handling. 2013-03-11 23:55:55 +00:00
Roland McGrath
7f86996afc ARM: Consolidate setjmp details in include/bits/setjmp.h file. 2013-03-11 16:45:25 -07:00
Roland McGrath
38435a9aff ARM: Convert string/ assembly to unified syntax. 2013-03-11 16:44:31 -07:00
Roland McGrath
791de44658 ARM: Use r10 instead of r9. 2013-03-11 16:43:29 -07:00
Roland McGrath
3ad6c54707 Clean up ARM preconfigure. 2013-03-11 09:26:43 -07:00
Andreas Schwab
fb6b0fcbf1 Remove extra pthread_atfork compat symbols 2013-03-11 09:47:01 +01:00
Richard Henderson
f5ad94e02a arm: Implement armv6 optimized string routines 
The strcpy and strchr (and related) functions are four times faster
than the byte-by-byte default versions.

The strlen function is twice as fast for long strings and 50% faster
for short strings over the armv4 version.
 2013-03-07 09:10:33 -08:00