elf-thumbfunc-reloc2.s
989 Bytes
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
// RUN: llvm-mc %s -triple=thumbv7-linux-gnueabi \
// RUN: -filetype=obj -o - | llvm-readobj -S --sd -r --symbols | \
// RUN: FileCheck %s
// We want to test relocatable thumb function call.
.thumb_func
foo:
.fnstart
bx lr
.cantunwind
.fnend
.align 1
bar:
.fnstart
push {r7, lr}
bl foo(PLT)
pop {r7, pc}
.cantunwind
.fnend
// make sure that bl 0 <foo> (fff7feff) is correctly encoded
// CHECK: Sections [
// CHECK: SectionData (
// CHECK: 0000: 704780B5 FFF7FEFF 80BD
// CHECK: )
// CHECK: ]
// CHECK: Relocations [
// CHECK-NEXT: Section {{.*}} .rel.text {
// CHECK-NEXT: 0x4 R_ARM_THM_CALL foo 0x0
// CHECK-NEXT: }
// CHECK-NEXT: Section {{.*}} .rel.ARM.exidx {
// CHECK-NEXT: 0x0 R_ARM_PREL31 .text 0x0
// CHECK-NEXT: 0x8 R_ARM_PREL31 .text 0x0
// CHECK-NEXT: }
// CHECK-NEXT: ]
// make sure foo is thumb function: bit 0 = 1
// CHECK: Symbols [
// CHECK: Symbol {
// CHECK: Name: foo
// CHECK-NEXT: Value: 0x1