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102 Commits

Author SHA1 Message Date
edef a04117f955 use Display for displaying IoErrors 2015-04-16 02:16:08 -04:00
edef 7e0b126f42 separate all the libc interaction out per OS 
We're now handling more of this ourselves, and leaving less to libstd.
Hopefully, we'll eventually break free of libstd, leaving a
highly-focused low-level library that retains all its conveniences in
freestanding environments.
 2015-04-16 02:16:08 -04:00
edef 46b2a4007b improve the assembly documentation 2015-04-16 00:22:50 -04:00
edef d25f43d4d5 add license headers to the assembly files 2015-04-16 00:16:23 -04:00
edef 5c252bdef5 document Stack and StackSource 2015-04-15 23:38:07 -04:00
edef 5b6aa23731 pass os::Stack addresses to Valgrind in the right order 2015-04-15 22:48:42 -04:00
edef 04bbeb88f4 add valgrind_stack_change 
Unlike valgrind_stack_register, this won't automatically swap
if `start > end`. It's probably wiser to pretend it doesn't swap at all.
 2015-04-15 22:45:50 -04:00
edef 476a63b817 move the Valgrind doc-comments to Rust-land, where they actually matter 2015-04-15 22:41:34 -04:00
edef 14887b4dd0 Valgrind doesn't actually care about the order 2015-04-15 22:40:16 -04:00
edef 9cbb2819ca match the internal Valgrind function names to the macro names 2015-04-15 22:30:07 -04:00
edef db6a2ff89b factor Valgrind support out and expose it 
Now other Stack / StackSource implementations can use the same Valgrind
code. Ref #3.
 2015-04-15 22:25:52 -04:00
edef 904da1a1c8 use Rust types for Valgrind, and use u32 for stack IDs 2015-04-15 22:22:02 -04:00
edef 7167b0b570 add Context::destroy 2015-04-15 21:54:56 -04:00
edef 31652d7b8f limit compilation of arch to x86_64 
the current code only supports x86_64 (#1), and we want to fail hard on
any other architecture for now.
 2015-04-15 21:52:08 -04:00
edef 6d56cc593e feature-flag os, but leave it enabled by default 2015-04-15 21:51:37 -04:00
edef 54b34383e3 parametrise Context on Stack 2015-04-15 21:51:37 -04:00
edef 8dc53c3125 make Context::new take a stack, instead of creating one 2015-04-15 19:35:27 -04:00
edef 27318bc271 rename platform to os 2015-04-15 19:35:27 -04:00
edef 5ae54da9c2 make context public 2015-04-15 19:35:27 -04:00
edef 9855084890 make stack public 2015-04-15 19:35:27 -04:00
edef 7aa58f43f7 add StackSource and implement it for platform::Stack 2015-04-15 19:35:27 -04:00
edef f620005d0f move the example to the examples dir 2015-04-15 19:35:27 -04:00
edef 5c5f5095c3 move arch::{initialize_call_frame, swap} to inherent mthods of Registers 
they're now Registers::{new, swap}, because they're
already effectively a constructor and a method.
 2015-04-15 19:35:27 -04:00
edef ae00fa2346 document why we're not using a straigh `ret` 2015-04-15 02:06:52 -04:00
edef d06e7c7cdd fix the copy impl for Registers 2015-04-15 01:23:33 -04:00
edef 884496c6b9 document the assembly 2015-03-27 03:33:20 -04:00
edef a39493d740 rewrite platform.rs to use mmap directly 2015-03-27 02:52:25 -04:00
edef b0dcc65304 Rust updates 2015-03-03 01:53:04 -05:00
edef 8515bf0fa1 closure syntax changed 2015-02-23 23:14:58 -05:00
edef e51cfa1b7b no_std is a feature flag now 2015-02-23 23:13:25 -05:00
edef a54e573073 Rust updates 2015-02-02 14:17:23 -05:00
edef 3f76c4baea use std in test configurations 
this makes `cargo test` and `cargo bench` work cleanly, for one.
 2015-01-14 11:27:43 +01:00
edef 40d0923704 add AVX registers to clobbers, do some formatting 
cover ALL THE REGISTERS. also added rbp, rsp in a comment for
completeness.
 2015-01-14 11:27:43 +01:00
edef 299a0a5d98 complete rewrite! 
featuring 7ns inlineable context switches, no more separately-built
assembly objects, and a vastly nicer interface.
incontext/outcontext are no more, context switch calls now take a single
context structure, which functions as both.
everything now also functions without any heap allocations -- for the
context setup, only an FnOnce() value is necessary.
 2015-01-14 11:27:43 +01:00
edef 0729ca8648 yay, Rust beta… 2015-01-13 08:38:52 +01:00
edef fec3f2eaef Rust updates 2015-01-09 22:45:39 +01:00
edef c06c5ea7a0 typo 2014-12-25 12:25:11 +01:00
edef 612e854acb move {get,set}_sp_limit into Rust-land 2014-12-25 12:24:02 +01:00
edef b961956ea5 Rust updates (MapOption fixes) 2014-12-25 11:50:48 +01:00
edef 59e723d099 free ourselves from the shackles of libstd 2014-12-24 07:28:21 +01:00
edef a94bc324fe move stack creation / destruction into platform 2014-12-24 07:07:25 +01:00
edef 3957ac99ae use arch::uintptr_t instead of libc::uintptr_t 2014-12-24 06:53:36 +01:00
edef 24b7aee96f u64 -> uintptr_t 2014-12-24 06:52:52 +01:00
edef 99db603d63 Stack.top returns a mutable pointer, so it should take &mut self 2014-12-24 06:51:46 +01:00
edef e0f2d48196 sneak an extra argument in by using rbx for the jump target 2014-12-24 06:48:49 +01:00
edef 3d35f5280d change the prefix from lwut_ to lwt_ 
we'll be using a lot of this code in kernelmode too, later.
 2014-12-24 06:48:08 +01:00
edef c209eed3a6 top of stack is mutable 2014-12-24 06:44:03 +01:00
edef 621bd9c9ab don't deref in the macros 2014-12-24 06:44:03 +01:00
edef 5a06b04a6a factor macros out and generalise them 2014-12-24 06:44:03 +01:00
edef 791173fd97 refactoring! 2014-12-24 06:44:03 +01:00
edef 555a3d73c0 rename platform.s to arch.s 2014-12-24 04:16:57 +01:00
edef e9d6146b5b initial commit 2014-12-23 04:27:28 +01:00