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
|
;; RUN: llc -mtriple=powerpc64-unknown-linux-gnu -O3 \
;; RUN: -filetype=obj %s -o - | \
;; RUN: elf-dump --dump-section-data | FileCheck %s
;; FIXME: this file need to be in .s form, change when asm parse is done.
@number64 = global i64 10, align 8
define i64 @access_int64(i64 %a) nounwind readonly {
entry:
%0 = load i64* @number64, align 8
%cmp = icmp eq i64 %0, %a
%conv1 = zext i1 %cmp to i64
ret i64 %conv1
}
declare double @sin(double) nounwind
define double @test_branch24 (double %x) nounwind readonly {
entry:
%add = call double @sin(double %x) nounwind
ret double %add
}
;; The relocations in .rela.text are the 'number64' load using a
;; R_PPC64_TOC16_DS against the .toc and the 'sin' external function
;; address using a R_PPC64_REL24
;; CHECK: '.rela.text'
;; CHECK: Relocation 0
;; CHECK-NEXT: 'r_offset',
;; CHECK-NEXT: 'r_sym', 0x00000006
;; CHECK-NEXT: 'r_type', 0x0000003f
;; CHECK: Relocation 1
;; CHECK-NEXT: 'r_offset',
;; CHECK-NEXT: 'r_sym', 0x0000000a
;; CHECK-NEXT: 'r_type', 0x0000000a
;; The .opd entry for the 'access_int64' function creates 2 relocations:
;; 1. A R_PPC64_ADDR64 against the .text segment plus addend (the function
; address itself);
;; 2. And a R_PPC64_TOC against no symbol (the linker will replace for the
;; module's TOC base).
;; CHECK: '.rela.opd'
;; CHECK: Relocation 0
;; CHECK-NEXT: 'r_offset',
;; CHECK-NEXT: 'r_sym', 0x00000002
;; CHECK-NEXT: 'r_type', 0x00000026
;; CHECK: Relocation 1
;; CHECK-NEXT: 'r_offset',
;; CHECK-NEXT: 'r_sym', 0x00000000
;; CHECK-NEXT: 'r_type', 0x00000033
;; Finally the TOC creates the relocation for the 'number64'.
;; CHECK: '.rela.toc'
;; CHECK: Relocation 0
;; CHECK-NEXT: 'r_offset',
;; CHECK-NEXT: 'r_sym', 0x00000008
;; CHECK-NEXT: 'r_type', 0x00000026
;; Check if the relocation references are for correct symbols.
;; CHECK: Symbol 7
;; CHECK-NEXT: 'access_int64'
;; CHECK: Symbol 8
;; CHECK-NEXT: 'number64'
;; CHECK: Symbol 10
;; CHECK-NEXT: 'sin'
|
