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831 Commits

Author SHA1 Message Date
skrll
59b3381179 Layout changes - no functional change. 2014-02-22 08:21:03 +00:00
martin
7c40818eed Move the __sync_* ops added in the previous change to a libc-only section 2014-02-22 08:08:56 +00:00
martin
6868f31bc9 Provide the missing __sync_* ops for earlier arm versions 2014-02-21 21:54:38 +00:00
martin
c2b8beffc9 Provide all __sync_* ops in libc. 2014-02-21 19:05:33 +00:00
martin
dd367c0e94 Provide the missing __sync_* ops for sparc. 2014-02-21 16:21:02 +00:00
martin
de9cd3f918 Add a few missing namespace includes 2014-02-21 16:06:48 +00:00
martin
e39d980f88 Provide 8 and 16 bit sync ops (using 16 bit and 8 bit cas) 2014-02-21 15:51:07 +00:00
martin
181d8404c2 Fix previous: move the alias declaration outside of a #ifdef _LP64 2014-02-21 14:42:09 +00:00
martin
badf055197 Provide 32bit __sync ops based on atomic_cas_32. 2014-02-21 10:52:50 +00:00
martin
3f9f137185 Add missing __sync_lock_test_and_set_* aliases for PR lib/48601 2014-02-21 10:27:34 +00:00
martin
ce6031c29a Add missing __sync_* ops 2014-02-20 20:39:01 +00:00
martin
566b4de508 Simplify the variants returning a bool 2014-02-20 16:33:23 +00:00
martin
0ac513ac84 Add a few __sync_* and atomic functions. 2014-02-18 16:19:28 +00:00
martin
1a7bc9a039 Make the _and_fetch_8 primitives return the new value they calculated 
and set - not whatever is found in memory later.
 2014-02-18 13:21:04 +00:00
martin
7925d62af9 Do not include <stdbool.h> in the kernel 2014-02-18 12:23:07 +00:00
martin
7c94bf0860 Provide most missing __sync_*64 primitives for i386 2014-02-18 10:16:55 +00:00
matt
a857702bee switch to unified syntax 2014-01-30 06:39:16 +00:00
joerg
720b2586bd Include compiler-rt in libc, libm and libkern. 2014-01-29 23:37:18 +00:00
joerg
1f8490615f Kernel and standalone code uses panic() for broken code. 2014-01-29 22:29:43 +00:00
joerg
80d48117e3 Fix up the remaining __sync_* functions to build with Clang on ARM. 2014-01-29 15:59:11 +00:00
martin
25bbb5795c Fix a few more copy&pastos - now it actually builds. 2014-01-29 14:49:35 +00:00
martin
428c02d983 Fix copy&pasto 2014-01-29 14:44:32 +00:00
martin
0c99b2643b Provide _atomic_cas_{16,8}_up 2014-01-29 13:06:36 +00:00
skrll
b39a3f4728 Copyright 2014-01-29 11:34:25 +00:00
skrll
0271e6c132 Provide _atomic_cas_8_up and _atomic_cas_16_up functions 2014-01-29 11:03:04 +00:00
martin
d5d5b0e6b1 Provide _atomic_cas_8_up and _atomic_cas_16_up as assembler functions 2014-01-29 10:20:11 +00:00
joerg
8ee8f2a279 Allow building with clang. 
XXX __RENAME is currently not allowed for the kernel, so use plain asm.
Clang rejects definitions of builtins, so it doesn't work without.
 2014-01-28 21:47:48 +00:00
matt
96e5c530c7 fix c&p bug. 2014-01-27 20:44:29 +00:00
matt
7544d0a287 Return old 2014-01-27 20:01:50 +00:00
matt
40a93006ff Fix tpyo (add->and) 2014-01-27 18:43:07 +00:00
matt
0e4f0176c5 fix tpyos. 2014-01-27 18:36:52 +00:00
matt
f5dc673f71 Add __sync_<OP>_and_fetch_<N> aliases 2014-01-27 18:36:37 +00:00
matt
56b80ae3d6 Rework so that __sync_fetch_and_<OP>_<N> actually returns a value. 2014-01-27 18:29:47 +00:00
matt
3f7729ad00 Add __sync_fetch_and_<OP>_<N> aliases 2014-01-27 18:12:57 +00:00
matt
739e8f6504 Add __sync_fetch_and_add_8 alias 2014-01-27 18:09:51 +00:00
matt
b139333299 Add __sync_fetch_and_add_4 alias 2014-01-27 18:08:37 +00:00
matt
d9f098af4b Add _atomic_cas_16_up and _atomic_cas_8_up 2014-01-27 18:05:24 +00:00
matt
335ea84251 Add _atomic_cas_16 and _atomic_cas_8 and their aliases 
__sync_val_compare_and_swap_2 & __sync_val_compare_and_swap_1
 2014-01-27 18:03:44 +00:00
martin
4bb25a32b9 PR port-arm/48543: do provide __ffssi2 as strong alias (in case libgcc.a gets 
not linked in) for now.
OK: skrll@
 2014-01-23 11:45:46 +00:00
joerg
b8bd769d63 Include bsd.own.mk in case it hasn't been yet. 2014-01-16 11:43:49 +00:00
joerg
2356df897c Use the quad support from compiler-rt for MKLIBGCC=no. 2014-01-15 20:58:09 +00:00
apb
bfdedd98f6 Make strnlen implementation usable from src/tools/compat. 2014-01-09 11:25:11 +00:00
christos
96602b9efa make it kernel friendly. 2013-12-27 20:26:53 +00:00
christos
967db62434 kernel needs it now too. 2013-12-27 20:24:45 +00:00
joerg
0c87c94ac0 Write out register pairs for strd. 2013-12-17 01:27:21 +00:00
matt
589d55678c Fix a bug in the divby0 case. 2013-12-12 18:01:14 +00:00
joerg
aceb213538 Allow kernel code to access constant databases by moving cdbr(3) and the 
required mi_vector_hash(3) into src/common.
 2013-12-11 01:24:08 +00:00
skrll
cd08339278 Add __sync_synchronize alias. 2013-12-07 13:09:55 +00:00
joerg
96f5bbd28d Improve EABI handling of string functions. Most importantly, fix 
__aeabi_memset, which has the arguments in the wrong order.
 2013-12-02 21:21:33 +00:00
joerg
5249048f1e Fix aliases. 2013-12-02 12:20:44 +00:00
lneto
c4a02e0a12 changed lua_Number to int64_t 2013-12-02 04:39:10 +00:00
joerg
5ce8d6df3c Use explicit form of register pair operations by specifying both. 2013-11-30 21:09:11 +00:00
joerg
96195b9815 Explicitly name the register pairs. 2013-11-30 20:43:53 +00:00
joerg
d0dcd65c88 Use PLT_SYM. 2013-11-30 20:20:42 +00:00
jakllsch
0182da6369 Remove x86_64 bzero.S; which since 2009 has only contained instructions 
that it should be removed in 2010.
 2013-11-23 16:57:52 +00:00
matt
918e319dfb Add support for the gcc __sync builtins. 
Note that these need earmv6 or later to get the ldrex/strex instructions
 2013-11-08 22:42:52 +00:00
christos
4fbaa41dd1 mark variables as used 2013-11-07 17:26:13 +00:00
rmind
ecc1424a7c murmurhash2: add an optimised path for the aligned pointer case. 2013-10-26 21:06:38 +00:00
christos
7c7c6fd125 remove unused 2013-10-20 21:16:54 +00:00
martin
5fb50cc6c4 Make this compilable with gcc 4.8.1 without options DIAGNOSTIC. 2013-10-18 18:26:20 +00:00
skrll
d3b6b7a500 More (stylistic) whitespace. 2013-09-30 13:07:51 +00:00
skrll
fff36bdac8 Appease new gas 2013-09-30 12:31:27 +00:00
joerg
4d12bfcd15 Pass PICFLAGS down to cc-as-as and use __PIC__ to decide if it is small 
vs big PIC mode. Retire -DPIC and -DBIGPIC.
 2013-09-12 15:36:14 +00:00
matt
47c1ea4ca3 Remove movw/movt due to linker problems. 
Check for 0 divisor and __aeabi_idiv0 if needed (EABI && _LIBC only).
 2013-09-09 07:33:54 +00:00
matt
4e222a409b s/__libc/_libc/ 2013-09-09 00:34:10 +00:00
matt
0e3a78e197 Support using hwdiv instructions if those are available. 
But only for EABI.
 2013-09-08 13:24:16 +00:00
chs
18ec38ea7c switch to ELF naming for local labels. 2013-09-07 19:06:29 +00:00
matt
ca7975ae61 Use __ARM_EABI__ and new __UNWIND_TABLES__ to decide when to use .cfi ops 2013-09-05 05:15:47 +00:00
riastradh
3db7caeeb3 Comment on possible data-dependent branch in `!res'. 2013-08-28 19:31:14 +00:00
riastradh
1239c2bb08 Publish explicit_memset and consttime_memequal in userland libc. 
Remove the double-underscore from the userland versions, and do the
weak alias dance instead, now that these are public parts of libc.

As discussed on tech-userlevel:

https://mail-index.netbsd.org/tech-userlevel/2013/06/24/msg007843.html
(option 3)
 2013-08-28 17:47:07 +00:00
riastradh
495fdb7e9a Make explicit_memset match memset's return value. 2013-08-28 15:46:23 +00:00
riastradh
cc79193075 Fix sense of consttime_memequal and update all callers. 
Now it returns true (nonzero) to mean equal and false (zero) to mean
inequal, as the name suggests.

As promised on tech-userlevel back in June:

https://mail-index.netbsd.org/tech-userlevel/2013/06/24/msg007843.html
 2013-08-28 15:24:41 +00:00
matt
5fa3a11dc7 move a misplaced #endif 2013-08-25 06:15:06 +00:00
matt
3202e91ce2 Don't include .cfi info if _KERNEL || _STANDALONE 2013-08-22 19:25:00 +00:00
matt
879bc2893e Use __section(".test.startup") for the init routines 2013-08-21 03:00:56 +00:00
matt
afb7a3b050 write of final NUL in strlcpy doesn't need to be post-incremented 2013-08-20 21:37:39 +00:00
matt
61e4023f77 If compiling standalone with Thumb, use the thumb version instead of the 
naive version.
 2013-08-20 21:35:24 +00:00
matt
bb45e513c6 Thumb versions of strcpy/strlcpy/strncpy 2013-08-20 21:32:50 +00:00
matt
e61510c225 strlcat_arm.S is smaller than strlcat_naive.S so always use it. 2013-08-20 21:08:54 +00:00
matt
1a52a42b91 Add a missing it gt before movgt for thumb 2013-08-20 16:34:47 +00:00
matt
59eed4d06e Use the arm versions of strnlen if compiling thumb2 2013-08-20 08:08:59 +00:00
matt
04d357d985 Use the arm versions of strlen/strchr/strrchr if compiling thumb2 2013-08-20 08:07:30 +00:00
matt
7477ad6ac7 thumbify (part2) 2013-08-20 08:06:30 +00:00
matt
b628072a9d swap r1 & ip 
use adds, eors, etc.
teq -> cmp
 2013-08-20 08:05:49 +00:00
matt
7eb7e9aa67 Push two registers to keep stack aligned. 2013-08-20 07:52:31 +00:00
matt
3444a5b35b Unless we are using an XSCALE, default to the normal arm version of memcpy. 2013-08-20 07:25:52 +00:00
matt
4ca1b3cb84 Add two thumb2 bits. 2013-08-19 17:50:04 +00:00
matt
c2b4a072b1 Missing one teq -> cmp 2013-08-19 17:41:47 +00:00
matt
5df59dfb3f Swap use of r1 and ip 
teq -> cmp.
add s to few instructions
(thumbify part 1)
 2013-08-19 17:38:47 +00:00
matt
ddea6e9586 cbnz/cbz can not branch backwards so nuke 'em. 
Use the same register usage in strlen as in strnlen
 2013-08-19 17:02:25 +00:00
matt
3d4b320a67 Add END() 2013-08-19 06:23:59 +00:00
matt
5958fbf1be fix cfi_register -> cfi_offset 2013-08-19 06:11:20 +00:00
matt
1045cebc5a Rework to allow thumb armv7 compilation. 
Add atomic_simplelock.c for thumb
 2013-08-19 03:55:12 +00:00
matt
578c0a5078 Thumbify (and use .cfi ops) 2013-08-19 03:54:15 +00:00
matt
556b3d5814 thumbify 
add .cfi ops (for thumb)
 2013-08-19 03:51:04 +00:00
matt
3302b194a2 This is ARM only 2013-08-19 03:47:06 +00:00
matt
14ba29f9a7 Add thumb version 
Use STRONG_ALIAS
 2013-08-19 03:44:47 +00:00
matt
a546978def Use STRONG_ALIAS 
Add thumb variation
 2013-08-19 03:44:18 +00:00
matt
d2610c9da2 Add .cfi ops 
Thumbify
 2013-08-19 03:43:07 +00:00
matt
eeddcf15a5 Add cfi ops. 
Thumbify
 2013-08-19 03:27:34 +00:00