Niko Matsakis
9b7347dd96
modify upcalls to take structs as args
2011-12-06 21:44:18 -08:00
Brian Anderson
9a738fd61d
rt: Various tweaks to make __morestack unwinding work on linux
...
When unwinding through __morestack the stack limit in the TLS is invalidated
and must be reset. Instead of actually landing at __morestack we're
just going to make all our Rust landing pads call upcall_reset_stack_limit,
which will find the stack segment that corresponds to the current stack
pointer and put the limit in the TLS.
Also massively expand the stack segment red zone to make more room for the
dynamic linker. Will fix in the future.
2011-12-06 16:32:41 -08:00
Austin Seipp
b513a5a500
Make valgrind usage more consistent and less error prone.
...
I was still having issues with the build system somehow getting confused
as to which set of valgrind headers to use when compiling rt.
This commit moves all the valgrind headers into their own directory
under rt and makes the usage more consistent. The compiler is now passed
the -DNVALGRIND flag when valgrind is not installed, as opposed to
passing -DHAVE_VALGRIND.
We also pass -I src/rt to the compiler when building rt so you can more
easily import what you want. I also cleaned up some erroneous #includes
along the way.
It should be safe to always just import the local valgrind headers and use
them without question. NVALGRIND turns the operations to no-ops when it
is active, and the build and tests run cleanly with or without.
2011-12-06 01:15:29 -06:00
Brian Anderson
58844aee42
rt: Make stack unwinding work more correctly with stack growth
2011-12-05 17:42:58 -08:00
Brian Anderson
a731f165df
test: Test hitting the dynamic linker in the red zone
2011-12-05 17:20:59 -08:00
Brian Anderson
3b8bfaf534
rt: Use an out pointer for rust_new_stack
...
upcall_call_shim_on_c_stack does not handle return values
2011-12-05 17:11:35 -08:00
Brian Anderson
98cd96ce96
test: Add more tests for stack growth
2011-12-05 14:44:15 -08:00
Brian Anderson
1720bc2e81
rt: Unwind through __morestack on 32-bit linux
2011-12-05 12:10:55 -08:00
Brian Anderson
52d7dc5e0a
rt: Update 32-bit __morestack for recent LLVM changes
2011-12-04 20:40:34 -08:00
Brian Anderson
292663b8ef
rt: Implement 32-bit __morestack for mac
2011-12-02 17:44:23 -08:00
Brian Anderson
c254936f32
rt: Fix __morestack prologue on x86_64 mac
2011-12-02 15:32:51 -08:00
Brian Anderson
691b517fb9
rt: Fix 64-bit linux __morestack
2011-12-01 20:56:05 -08:00
Brian Anderson
3e5b314c0b
rt: Implement __morestack for 64-bit mac. Doesn't unwind yet
2011-12-01 19:44:14 -08:00
Brian Anderson
8bf3d85b9d
rt: Implement record_sp for 64-bit mac
2011-12-01 19:44:13 -08:00
Brian Anderson
1974cf9a81
rt: Move RED_ZONE_SIZE to rust_task.cpp
2011-12-01 15:50:00 -08:00
Brian Anderson
249f017bf2
rt: Add FIXME's about future changes to LLVM's __morestack impl
2011-12-01 15:33:15 -08:00
Brian Anderson
6da1a3fcd6
rt: Refactor record_sp into task::record_stack_limit
2011-12-01 15:26:42 -08:00
Brian Anderson
7476a39e47
stdlib: Implement some preliminary libuv bindings
...
std::uv is intended to be low-level, exactly mirroring the C API.
Difficult to continue the implementation now without scheduler
improvements.
2011-12-01 10:24:21 -08:00
Brian Anderson
f2de42c39a
rt: Reorganize stack growth code
2011-11-30 20:31:33 -08:00
Brian Anderson
dd48a1af58
rt: Remove redundant defs of RUST_DEL_STACK
2011-11-30 20:31:33 -08:00
Brian Anderson
e6ef4d929c
rt: Remove the stack pointer field of stk_seg
2011-11-30 20:31:33 -08:00
Brian Anderson
408d4ec0ef
rt: Remove upcall_alloc_c_stack/call_c_stack, et. al.
...
We are using upcall_call_shim_on_c_stack now
2011-11-30 20:31:32 -08:00
Brian Anderson
037ca7f7cb
rt: Rewrite 32-bit __morestack to use the shim upcall
2011-11-30 20:31:32 -08:00
Brian Anderson
777c3584b9
rt: Request the correct number of bytes on the C stack
2011-11-29 23:01:19 -08:00
Brian Anderson
06f4cb43f6
rt: Delete the entire stack chain on task destruction
...
Unwinding through __morestack on 64-bit Linux seems to be no big deal, and
all we have to do is free the stacks to make unwinding work with split stacks.
2011-11-29 22:22:49 -08:00
Brian Anderson
72baf70748
rt: Conditionalize out the 32-bit __morestack for everything but Linux
...
Currently broken everywhere else
2011-11-29 13:52:34 -08:00
Brian Anderson
8cbba79208
rt: Fix the name of the linux macro in x86_64/morestack.S
2011-11-29 13:50:34 -08:00
Brian Anderson
afb8f01741
rt: Fix calculation of stack args location in x86_64/morestack.S
2011-11-29 13:47:54 -08:00
Brian Anderson
9675343dc9
rt: Fix i386/morestack.S for static linking
2011-11-29 13:47:54 -08:00
Brian Anderson
a9967423f8
rt: Make 64-bit __morestack grow and shrink properly
2011-11-28 21:57:52 -08:00
Brian Anderson
5461c61af2
rt: Remove a FIXME frome x86_64/morestack.S
2011-11-28 20:14:12 -08:00
Brian Anderson
ef20afc36c
rt: Get 64-bit Linux __morestack allocating new stacks
2011-11-28 18:39:18 -08:00
Brian Anderson
3a80d7b0e3
rt: Set hidden visibility on __morestack
...
Each crate will have its own copy of this function, which should not be
exported.
2011-11-28 18:01:39 -08:00
Brian Anderson
28745aa07f
rt: Rename L$bail to .L$bail in i386/morestack.S
2011-11-28 17:10:00 -08:00
Brian Anderson
e075412a92
build: Stop linking morestack.S to rt
...
__morestack has to be linked statically. The odd calling convention on x86_64
results in the arguments to __morestack (r10 & r11) being clobbered by the
dynamic linker. gcc links all the __morestack functions statically.
2011-11-28 16:37:29 -08:00
Brian Anderson
cd75c9ce11
rt: Implement part of the 64-bit __morestack
2011-11-28 16:29:52 -08:00
Brian Anderson
020d8f12a0
rt: Implement record_sp for 64-bit linux
2011-11-27 19:00:26 -08:00
Brian Anderson
93e8783496
rt: Make __morestack build on win32
2011-11-22 18:02:13 -08:00
Brian Anderson
0580d4e77a
rt: Add x86_64 record_sp stub
2011-11-22 18:02:12 -08:00
Brian Anderson
6bdf347418
rt: Make __morestack (without unwinding) work on 32-bit linux
2011-11-22 18:02:10 -08:00
Niko Matsakis
9fa44a41e6
get pure wrappers approach running
2011-11-18 16:32:19 -08:00
Brian Anderson
d6ab8ebb07
rt: Add more comments to rust_task_sleep
2011-11-18 16:02:48 -08:00
Brian Anderson
9aa67052e1
rt: Remove some stack-wasting macros from rust_task::yield
2011-11-18 15:59:10 -08:00
Brian Anderson
71bcba6815
intrinsics: Remove declaration of port_recv
2011-11-18 15:37:14 -08:00
Brian Anderson
1e58049da2
rt: Remove fail calls from rust_task::yield
2011-11-18 15:36:48 -08:00
Brian Anderson
792068d871
rt: Remove unblock call from rust_task::yield
2011-11-18 14:45:48 -08:00
Brian Anderson
0f339b481a
rt: Remove a lock from task_start_wrapper that does nothing
2011-11-18 13:38:20 -08:00
Brian Anderson
3cfcdb4bb2
rt: Replace two uses of yield with ctx->swap
...
These uses aren't really doing a full yield. They are just giving up control
to the scheduler and will never return.
2011-11-18 13:38:18 -08:00
Brian Anderson
57b43b53f9
rt: Add comments to rust_task::yield
2011-11-18 13:28:12 -08:00
Brian Anderson
d1ef29ab37
rt: rust_task::conclude_failure doesn't need to call unblock
2011-11-18 13:23:27 -08:00
