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110 Commits

Author SHA1 Message Date
edef daece1a8d3 Registers::{swap2 => swap}, to match Context::swap 2016-04-03 19:56:15 +02:00
edef 976b971436 get rid of the old Context::swap 
The two-parameter version is the only necessary API.
 2016-04-03 19:55:25 +02:00
edef a50e6771b4 coerce rust_trampoline to a function pointer properly 2016-04-03 12:00:21 +02:00
edef 644cd81f9e fix parameter passing to arch/x86_64/swap.s 2016-04-03 11:59:14 +02:00
edef 3397e0bcf1 at least allow different lifetimes in Context::swap2 
Really we should allow swapping between different stack types easily, so
we can easily swap between contexts with different stack types.
 2016-03-22 08:46:27 +01:00
edef b986931817 remove copyright years 
They're obnoxious to update, and I'm told they have no legal value.
 2016-03-22 08:25:23 +01:00
edef 709dad1c4a add Context::swap2, to allow distinct save/restore contexts 
Fix #5

Context::swap is now implemented in terms of Context::swap2, and it
might make sense to remove Context::swap entirely at some point.
 2016-03-22 07:50:50 +01:00
edef 2b23083455 get rid of some minor warnings 2016-03-22 07:35:25 +01:00
edef 4ffdba3ea6 minor style fixes 2016-03-16 00:20:45 +01:00
edef bb2b92bf6b remove feature attributes for stable stuff 2016-03-16 00:14:09 +01:00
edef bc46941e89 use libvalgrind instead of valgrind.h 
no more C!
 2016-01-04 15:34:41 +01:00
edef cd4fe1ecc8 remove obsolete support for Rust stack limits 
rustc removed these in 7a3fdfbf674a08b7f6fd32c9124e52924a2f9a1c, and
this removes a Linux-specific TLS slot from our code.
 2016-01-04 03:46:07 +01:00
John Ericson a1f286bdaf don't drop uninitialised memory when pushing to stack 2015-08-26 20:42:33 +02:00
John Ericson 96a31d2443 remove stray import 2015-08-26 20:41:12 +02:00
John Ericson 878a6fefc3 simplify Valgrind wrapper 2015-08-26 00:51:19 +02:00
John Ericson 5411f10460 use Void to ensure closure diverges 2015-08-26 00:51:18 +02:00
edef c83143511e core::atomic -> core::sync::atomic 2015-08-26 00:20:23 +02:00
edef e290a8bbaf remove `extern crate core` and prelude imports 
the latest Rust nightly makes this unnecessary
 2015-08-26 00:19:53 +02:00
edef 189edae3cf add #![feature(core_prelude)] 2015-07-20 20:54:41 -04:00
edef 6d1c5d0df1 it's fine to inline a simple FFI call 2015-04-27 17:19:13 +02:00
edef 2736479db0 fix license header 2015-04-23 01:24:58 +02:00
edef 3f0ec83bf3 remove valgrind_stack_change 
This is a leftover from when we exposed these APIs to consumers, we
don't actually use this function.
 2015-04-23 01:24:04 +02:00
edef d0ee592ba1 use the libc crate from cargo 2015-04-23 01:14:01 +02:00
edef 418c53797e x86 support 
ref #1
 2015-04-16 13:15:46 -04:00
edef 52325b07c0 comment fix: it's 8ns *faster* 2015-04-16 12:21:39 -04:00
edef a1e4c2b745 add Syntastic ASM lint hints 2015-04-16 11:56:45 -04:00
edef 0bebfae21d more docs! 2015-04-16 10:15:00 -04:00
edef d627f0d725 big rename — we're libfringe now 2015-04-16 08:11:12 -04:00
edef af7e9ea67c add FreeBSD + DragonFlyBSD MAP_STACK workaround 
http://lists.freebsd.org/pipermail/freebsd-bugs/2011-July/044840.html
according to libgreen, DragonFlyBSD suffers from this too
 2015-04-16 07:59:59 -04:00
edef 68f70fb1c9 rename Context::destroy to Context::unwrap, in line with lang conventions 2015-04-16 07:49:13 -04:00
edef 01e57ce9f5 let os::Stack's docs shine through the facade 2015-04-16 07:47:23 -04:00
edef 2266da2f8d rejig lib.rs a little 2015-04-16 07:45:14 -04:00
edef fe490275fa move os::Stack behind the facade, to OsStack 2015-04-16 07:44:07 -04:00
edef ff25697444 remove StackSource 
Nothing in this library took StackSources, and it's probably too
high-level a concept to include here. Maybe later.
 2015-04-16 07:42:16 -04:00
edef bdb6e0bd8b let StackSource::get_stack take &mut self 2015-04-16 07:35:29 -04:00
edef 9bb0ce483d derive Copy and Clone for os::StackSource 2015-04-16 07:33:27 -04:00
edef a389576d0f document os 2015-04-16 07:30:53 -04:00
edef f3ee07416d require Stack::Error to implement Debug + Display 2015-04-16 07:27:14 -04:00
edef cbfb62e62f only expose context and stack through the facade 
It's fairly pointless to have submodules when there are only three
items.
 2015-04-16 07:25:05 -04:00
edef 0dd6c8bc32 pass STACK_ALIGN through without exposing it 2015-04-16 07:24:15 -04:00
edef 7adb9e7381 implement Debug for all components of Context 2015-04-16 07:24:07 -04:00
edef 519d86ca4c implement Send where applicable 2015-04-16 07:23:57 -04:00
edef 7271fe1724 there is no point in Registers being Copy + Clone 2015-04-16 07:23:56 -04:00
edef 222ab0eaa9 make Context::destroy inlineable 2015-04-16 06:43:09 -04:00
edef 6f750ab484 move all OS-related code into src/os 2015-04-16 06:42:31 -04:00
edef f7ab28de4b move all the common arch stuff into a module of its own 2015-04-16 06:34:03 -04:00
edef b7624aa49a uintptr_t is pointless when usize is the same anyway 2015-04-16 06:20:46 -04:00
edef 997a4a7765 move architecture specifics into arch directory 2015-04-16 06:17:03 -04:00
edef f24e8e7911 add license headers to every file 2015-04-16 06:08:44 -04:00
edef cbc10fd311 cache page_size 
page_size is used in every nearly every pointer calculation in os.rs,
and the Stack methods are called fairly often. It's definitely not worth
spilling registers for to call out to a libc function.
With this change, page_size becomes effectively free. It is cached in an
atomic usize, with relaxed ordering, so no actual atomic operations are
involved.

Benchmark:
```
test bench_page_size        ... bench:         5 ns/iter (+/- 1)
test bench_page_size_cached ... bench:         0 ns/iter (+/- 0)
```
 2015-04-16 05:52:56 -04:00