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128 Commits

Author SHA1 Message Date
whitequark 892a7696ec Allow unwinding to propagate across a context swap. 
The main purpose of this is having nice backtraces in gdb, although
it also slightly simplifies poisoning state of the API consumers
after a panic.
 2016-08-13 13:38:04 +02:00
whitequark 40fbfdde0c Kill impl StackPointer. 
That was a silly idea for a silly abstraction, and it brought no
improvement, only confusion. So, revert it.
 2016-08-13 13:38:04 +02:00
edef bb699c0f6e Allow inlining Generator::state 2016-08-13 12:52:12 +02:00
edef 8c761d944f Fix Windows x64 ABI 2016-07-17 16:57:23 -04:00
whitequark 15d2fbaf51 Add an inline hint on Generator::next(). 
This improves the generate benchmark by about 1ns.
 2016-07-17 13:56:03 -04:00
whitequark 16c674b4f4 Implement the GuardedStack marker trait. 2016-07-17 13:56:03 -04:00
whitequark 7ffad26cfd Implement the safe Generator abstraction. 
close #24
 2016-07-17 13:55:56 -04:00
whitequark 758088c673 Fix Stack::new(0). 2016-07-17 13:55:43 -04:00
whitequark aa364056fd Add more documentation, and rephrase it elsewhere. 2016-07-16 20:54:47 -04:00
whitequark ebd9ca8dec Allocate guard page under existing stack, not in it. 
This fixes a segfault when the allocated stack is just one page long.

This also refactors the fringe::os module to use Result consistently.

close #22
 2016-07-16 20:54:33 -04:00
John Ericson 75ca6f66e1 Move x86 trampoline to naked function 
Close #19
 2016-07-16 16:39:19 -04:00
John Ericson 1ea4b01eda Use mostly the same registers for consistency 
The exception to this is %eax is used not %edi on x86 because its
caller-save
 2016-07-16 16:39:14 -04:00
whitequark cbe136b762 Completely rework fringe::Context and fringe::arch. 
The new design concerns itself with one thing and exactly one thing:
passing values back and forth with an extern "C" function.
This allows to simplify fringe::arch into a single primitive, swap.

Close #21
 2016-07-16 15:04:15 -04:00
edef 0d7b3d7091 add Windows support to OsStack 
Fix #18
 2016-04-16 07:51:10 +02:00
edef 6284a22caa add fpsr, eflags for good measure 
courtesy of @whitequark
 2016-04-16 07:41:00 +02:00
John Ericson 35fb046fb5 Factor out common code between x86 and x86_64 
Fix #17
 2016-04-14 13:37:15 +02:00
John Ericson 368fa9d3bf Remove unnecessary unsafety 2016-04-12 14:40:12 +02:00
edef 32fdbbb474 move OutStack's bound to a where clause 2016-04-03 20:07:45 +02:00
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