T0b1/wasmtime
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Stack overflow checking with stack probes.

Browse Source 
This adds a libcall name, a calling convention, and settings for
emitting stack probes, and implements them for x86 system_v ABIs.
This commit is contained in:
Dan Gohman
2018-04-20 21:41:45 -07:00
parent c5b15c2396
commit 3b1d805758
20 changed files with 585 additions and 155 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
cranelift/filetests/postopt/basic.cton
View File

@@ -10,7 +10,7 @@ ebb0(v0: i32, v1: i32):
[Op1ret#c3] return v1
ebb1:
[Op1puid#b8,%rax] v8 = iconst.i32 3
[Op1pu_id#b8,%rax] v8 = iconst.i32 3
[Op1ret#c3] return v8
}
; sameln: function %br_icmp
@@ -34,7 +34,7 @@ ebb0(v0: i32, v1: i32):
[Op1ret#c3] return v1
ebb1:
[Op1puid#b8,%rax] v8 = iconst.i32 3
[Op1pu_id#b8,%rax] v8 = iconst.i32 3
[Op1ret#c3] return v8
}
; sameln: function %br_icmp_inverse
@@ -53,12 +53,12 @@ ebb1:
function %br_icmp_imm(i32, i32) -> i32 {
ebb0(v0: i32, v1: i32):
[Op1icsccib#7083] v2 = icmp_imm slt v0, 2
[Op1icscc_ib#7083] v2 = icmp_imm slt v0, 2
[Op1t8jccd_long#84] brz v2, ebb1
[Op1ret#c3] return v1
ebb1:
[Op1puid#b8,%rax] v8 = iconst.i32 3
[Op1pu_id#b8,%rax] v8 = iconst.i32 3
[Op1ret#c3] return v8
}
; sameln: function %br_icmp_imm
@@ -82,7 +82,7 @@ ebb0(v0: f32, v1: f32):
[Op1ret#c3] return v1
ebb1:
[Op1puid#b8,%rax] v18 = iconst.i32 0x40a8_0000
[Op1pu_id#b8,%rax] v18 = iconst.i32 0x40a8_0000
[Mp2frurm#56e,%xmm0] v8 = bitcast.f32 v18
[Op1ret#c3] return v8
}