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Consider activation frame for stack height metering (#2)

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* Charge a base cost for calling a function

* Added regression test for empty functions

* Satisfy clippy
This commit is contained in:
Alexander Theißen
2022-01-18 19:04:17 +02:00
committed by GitHub
parent 4e3e6b598a
commit 57da96fb50
13 changed files with 120 additions and 38 deletions
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tests/expectations/stack-height/empty_functions.wat
+52
View File
@@ -0,0 +1,52 @@
(module
(type (;0;) (func))
(func (;0;) (type 0)
global.get 0
i32.const 2
i32.add
global.set 0
global.get 0
i32.const 1024
i32.gt_u
if ;; label = @1
unreachable
end
call 0
global.get 0
i32.const 2
i32.sub
global.set 0)
(func (;1;) (type 0)
global.get 0
i32.const 2
i32.add
global.set 0
global.get 0
i32.const 1024
i32.gt_u
if ;; label = @1
unreachable
end
call 0
global.get 0
i32.const 2
i32.sub
global.set 0)
(func (;2;) (type 0)
global.get 0
i32.const 2
i32.add
global.set 0
global.get 0
i32.const 1024
i32.gt_u
if ;; label = @1
unreachable
end
call 1
global.get 0
i32.const 2
i32.sub
global.set 0)
(global (;0;) (mut i32) (i32.const 0))
(export "main" (func 2)))
tests/expectations/stack-height/global.wat
+4 -4
View File
@@ -17,7 +17,7 @@
local.get 1
local.get 0
global.get 1
i32.const 2
i32.const 4
i32.add
global.set 1
global.get 1
@@ -28,7 +28,7 @@
end
call 1
global.get 1
i32.const 2
i32.const 4
i32.sub
global.set 1
drop)
@@ -36,7 +36,7 @@
local.get 0
local.get 1
global.get 1
i32.const 2
i32.const 4
i32.add
global.set 1
global.get 1
@@ -47,7 +47,7 @@
end
call 1
global.get 1
i32.const 2
i32.const 4
i32.sub
global.set 1)
(global (;0;) (mut i32) (i32.const 1))
tests/expectations/stack-height/imports.wat
+2 -2
View File
@@ -13,7 +13,7 @@
local.get 0
local.get 1
global.get 0
i32.const 2
i32.const 4
i32.add
global.set 0
global.get 0
@@ -24,7 +24,7 @@
end
call 2
global.get 0
i32.const 2
i32.const 4
i32.sub
global.set 0)
(global (;0;) (mut i32) (i32.const 0))
tests/expectations/stack-height/many_locals.wat
+2 -2
View File
@@ -4,7 +4,7 @@
(local i64 i64 i32))
(func (;1;) (type 0)
global.get 0
i32.const 3
i32.const 5
i32.add
global.set 0
global.get 0
@@ -15,7 +15,7 @@
end
call 0
global.get 0
i32.const 3
i32.const 5
i32.sub
global.set 0)
(global (;0;) (mut i32) (i32.const 0)))
tests/expectations/stack-height/simple.wat
+2 -2
View File
@@ -5,7 +5,7 @@
drop)
(func (;1;) (type 0)
global.get 0
i32.const 1
i32.const 3
i32.add
global.set 0
global.get 0
@@ -16,7 +16,7 @@
end
call 0
global.get 0
i32.const 1
i32.const 3
i32.sub
global.set 0)
(global (;0;) (mut i32) (i32.const 0))
tests/expectations/stack-height/start.wat
+19 -4
View File
@@ -8,7 +8,7 @@
(func (;2;) (type 1))
(func (;3;) (type 1)
global.get 0
i32.const 1
i32.const 3
i32.add
global.set 0
global.get 0
@@ -19,10 +19,25 @@
end
call 1
global.get 0
i32.const 1
i32.const 3
i32.sub
global.set 0)
(func (;4;) (type 1)
global.get 0
i32.const 2
i32.add
global.set 0
global.get 0
i32.const 1024
i32.gt_u
if ;; label = @1
unreachable
end
call 2
global.get 0
i32.const 2
i32.sub
global.set 0)
(global (;0;) (mut i32) (i32.const 0))
(export "exported_start" (func 3))
(export "call" (func 2))
(export "call" (func 4))
(start 3))
tests/expectations/stack-height/table.wat
+6 -6
View File
@@ -7,7 +7,7 @@
local.get 0
i32.const 0
global.get 0
i32.const 2
i32.const 4
i32.add
global.set 0
global.get 0
@@ -18,7 +18,7 @@
end
call 2
global.get 0
i32.const 2
i32.const 4
i32.sub
global.set 0
drop)
@@ -29,7 +29,7 @@
(func (;3;) (type 1) (param i32)
local.get 0
global.get 0
i32.const 2
i32.const 4
i32.add
global.set 0
global.get 0
@@ -40,14 +40,14 @@
end
call 1
global.get 0
i32.const 2
i32.const 4
i32.sub
global.set 0)
(func (;4;) (type 2) (param i32 i32) (result i32)
local.get 0
local.get 1
global.get 0
i32.const 2
i32.const 4
i32.add
global.set 0
global.get 0
@@ -58,7 +58,7 @@
end
call 2
global.get 0
i32.const 2
i32.const 4
i32.sub
global.set 0)
(table (;0;) 10 funcref)