1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
; Test that PIC code can be linked into static binaries.
; In this case the GOT entries will end up as internalized wasm globals with
; fixed values.
; RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %p/Inputs/ret32.s -o %t.ret32.o
; RUN: llc -relocation-model=pic -filetype=obj %s -o %t.o
; RUN: wasm-ld --allow-undefined --export-all -o %t.wasm %t.o %t.ret32.o
; RUN: obj2yaml %t.wasm | FileCheck %s
target triple = "wasm32-unknown-emscripten"
declare i32 @ret32(float)
declare i32 @missing_function(float)
@global_float = global float 1.0
@hidden_float = hidden global float 2.0
@missing_float = extern_weak global float
@ret32_ptr = global ptr @ret32, align 4
define ptr @getaddr_external() {
ret ptr @ret32;
}
define ptr @getaddr_missing_function() {
ret ptr @missing_function;
}
define ptr @getaddr_hidden() {
ret ptr @hidden_func;
}
define ptr @getaddr_missing_float() {
ret ptr @missing_float
}
define hidden i32 @hidden_func() {
ret i32 1
}
define void @_start() {
entry:
%f = load float, ptr @hidden_float, align 4
%addr = load ptr, ptr @ret32_ptr, align 4
%arg = load float, ptr @global_float, align 4
call i32 %addr(float %arg)
%addr2 = call ptr @getaddr_external()
%arg2 = load float, ptr @hidden_float, align 4
call i32 %addr2(float %arg2)
%addr3 = call ptr @getaddr_hidden()
call i32 %addr3()
ret void
}
; CHECK: - Type: GLOBAL
; CHECK-NEXT: Globals:
; __stack_pointer
; CHECK-NEXT: - Index: 0
; CHECK-NEXT: Type: I32
; CHECK-NEXT: Mutable: true
; CHECK-NEXT: InitExpr:
; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 66576
; GOT.func.ret32
; CHECK-NEXT: - Index: 1
; CHECK-NEXT: Type: I32
; CHECK-NEXT: Mutable: false
; CHECK-NEXT: InitExpr:
; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 1
; GOT.func.missing_function
; CHECK-NEXT: - Index: 2
; CHECK-NEXT: Type: I32
; CHECK-NEXT: Mutable: false
; CHECK-NEXT: InitExpr:
; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 2
; __table_base
; CHECK-NEXT: - Index: 3
; CHECK-NEXT: Type: I32
; CHECK-NEXT: Mutable: false
; CHECK-NEXT: InitExpr:
; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 1
; GOT.mem.missing_float
; CHECK-NEXT: - Index: 4
; CHECK-NEXT: Type: I32
; CHECK-NEXT: Mutable: false
; CHECK-NEXT: InitExpr:
; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 0
; GOT.mem.global_float
; CHECK-NEXT: - Index: 5
; CHECK-NEXT: Type: I32
; CHECK-NEXT: Mutable: false
; CHECK-NEXT: InitExpr:
; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 1024
; GOT.mem.ret32_ptr
; CHECK-NEXT: - Index: 6
; CHECK-NEXT: Type: I32
; CHECK-NEXT: Mutable: false
; CHECK-NEXT: InitExpr:
; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 1032
; __memory_base
; CHECK-NEXT: - Index: 7
; CHECK-NEXT: Type: I32
; CHECK-NEXT: Mutable: false
; CHECK-NEXT: InitExpr:
; CHECK-NEXT: Opcode: I32_CONST
; CHECK-NEXT: Value: 0
|
