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Allocate rust_ivec buffers out of the kernel pool

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The duplication of upcalls is due to the fact that the runtime is
shared between stage0/rustc and stage1/rustc. Once snapshots are
updated, they should be de-duplicated.
This commit is contained in:
Rob Arnold 2011-07-05 22:55:41 -07:00
parent 2e2e1f7cb3
commit f6117173c9
6 changed files with 182 additions and 12 deletions
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32
src/comp/middle/trans.rs
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@ -1150,6 +1150,12 @@ fn trans_non_gc_free(&@block_ctxt cx, ValueRef v) -> result {
ret rslt(cx, C_int(0));
}
fn trans_shared_free(&@block_ctxt cx, ValueRef v) -> result {
cx.build.Call(cx.fcx.lcx.ccx.upcalls.shared_free,
[cx.fcx.lltaskptr, cx.build.PointerCast(v, T_ptr(T_i8()))]);
ret rslt(cx, C_int(0));
}
fn find_scope_cx(&@block_ctxt cx) -> @block_ctxt {
if (cx.kind != NON_SCOPE_BLOCK) { ret cx; }
alt (cx.parent) {
@ -1578,6 +1584,18 @@ fn trans_raw_malloc(&@block_ctxt cx, TypeRef llptr_ty, ValueRef llsize) ->
ret rslt(cx, cx.build.PointerCast(rval, llptr_ty));
}
// trans_shared_malloc: expects a type indicating which pointer type we want
// and a size indicating how much space we want malloc'd.
fn trans_shared_malloc(&@block_ctxt cx, TypeRef llptr_ty, ValueRef llsize) ->
result {
// FIXME: need a table to collect tydesc globals.
auto tydesc = C_null(T_ptr(T_tydesc(cx.fcx.lcx.ccx.tn)));
auto rval =
cx.build.Call(cx.fcx.lcx.ccx.upcalls.shared_malloc,
[cx.fcx.lltaskptr, llsize, tydesc]);
ret rslt(cx, cx.build.PointerCast(rval, llptr_ty));
}
// trans_malloc_boxed: expects an unboxed type and returns a pointer to enough
// space for something of that type, along with space for a reference count;
@ -2097,7 +2115,7 @@ fn maybe_free_ivec_heap_part(&@block_ctxt cx, ValueRef v0, ty::t unit_ty) ->
auto m = maybe_on_heap_cx.build.InBoundsGEP(stub_ptr, v);
maybe_on_heap_cx.build.Load(m)
};
auto after_free_cx = trans_non_gc_free(maybe_on_heap_cx, heap_ptr).bcx;
auto after_free_cx = trans_shared_free(maybe_on_heap_cx, heap_ptr).bcx;
after_free_cx.build.Br(next_cx.llbb);
ret rslt(next_cx, C_nil());
}
@ -3617,7 +3635,8 @@ mod ivec {
{
auto p =
heap_resize_cx.build.PointerCast(v, T_ptr(T_opaque_ivec()));
heap_resize_cx.build.Call(cx.fcx.lcx.ccx.upcalls.ivec_resize,
auto upcall = cx.fcx.lcx.ccx.upcalls.ivec_resize_shared;
heap_resize_cx.build.Call(upcall,
[cx.fcx.lltaskptr, p, new_heap_len]);
}
auto heap_ptr_resize =
@ -3657,7 +3676,8 @@ mod ivec {
{
auto p =
stack_spill_cx.build.PointerCast(v, T_ptr(T_opaque_ivec()));
stack_spill_cx.build.Call(cx.fcx.lcx.ccx.upcalls.ivec_spill,
auto upcall = cx.fcx.lcx.ccx.upcalls.ivec_spill_shared;
stack_spill_cx.build.Call(upcall,
[cx.fcx.lltaskptr, p, new_stack_len]);
}
auto spill_stub =
@ -3908,7 +3928,7 @@ mod ivec {
heap_cx.build.InBoundsGEP(stub_ptr_heap,
stub_a));
auto heap_sz = heap_cx.build.Add(llsize_of(llheappartty), lllen);
auto rs = trans_raw_malloc(heap_cx, T_ptr(llheappartty), heap_sz);
auto rs = trans_shared_malloc(heap_cx, T_ptr(llheappartty), heap_sz);
auto heap_part = rs.val;
heap_cx = rs.bcx;
heap_cx.build.Store(heap_part,
@ -4045,7 +4065,7 @@ mod ivec {
auto heap_part_sz = on_heap_cx.build.Add(alen,
llsize_of(T_opaque_ivec_heap_part()));
auto rs = trans_raw_malloc(on_heap_cx, T_ptr(llheappartty),
auto rs = trans_shared_malloc(on_heap_cx, T_ptr(llheappartty),
heap_part_sz);
on_heap_cx = rs.bcx;
auto new_heap_ptr = rs.val;
@ -6003,7 +6023,7 @@ fn trans_ivec(@block_ctxt bcx, &vec[@ast::expr] args, ast::node_id id) ->
bcx.build.Store(lllen, bcx.build.InBoundsGEP(llstubptr, stub_a));
auto llheapsz = bcx.build.Add(llsize_of(llheapty), lllen);
auto rslt = trans_raw_malloc(bcx, T_ptr(llheapty), llheapsz);
auto rslt = trans_shared_malloc(bcx, T_ptr(llheapty), llheapsz);
bcx = rslt.bcx;
auto llheapptr = rslt.val;
bcx.build.Store(llheapptr,