|
173
|
1 // REQUIRES: arm
|
|
|
2 // RUN: llvm-mc --arm-add-build-attributes --triple=armv7a-linux-gnueabihf -filetype=obj %s -o %t.o
|
|
|
3 // RUN: echo "SECTIONS { \
|
|
|
4 // RUN: /DISCARD/ : { *(.ARM.exidx.exit.text) *(.ARM.extab.exit.text)} \
|
|
|
5 // RUN: . = 0x90000000; \
|
|
|
6 // RUN: .ARM.exidx : { *(.ARM.exidx) } \
|
|
|
7 // RUN: .text : { *(.text) } \
|
|
|
8 // RUN: .exit.text : { *(.exit.text) } \
|
|
|
9 // RUN: .rodata : { *(.rodata) } \
|
|
|
10 // RUN: } " > %t.script
|
|
|
11 // RUN: ld.lld --script %t.script %t.o -o %t
|
|
|
12 // RUN: llvm-readelf -x .ARM.exidx %t | FileCheck %s
|
|
|
13
|
|
|
14 /// The linker script /DISCARDS/ the .ARM.exidx and .ARM.extab for the
|
|
|
15 /// .exit.text . If we do not discard both sections we will end up with
|
|
|
16 /// a dangling reference. We expect no linker error for an out of range
|
|
|
17 /// relocation/dangling reference and just a single .ARM.exidx entry
|
|
|
18 /// for _start and an entry for the terminating sentinel.
|
|
|
19
|
|
|
20 // CHECK: Hex dump of section '.ARM.exidx':
|
|
|
21 // CHECK-NEXT: 0x90000000 10000000 01000000 10000000 01000000
|
|
|
22 // CHECK-NOT: 0x90000010
|
|
|
23 .text
|
|
|
24 .global _start
|
|
|
25 .type _start, %function
|
|
|
26 _start:
|
|
|
27 .fnstart
|
|
|
28 bx lr
|
|
|
29 .cantunwind
|
|
|
30 .fnend
|
|
|
31
|
|
|
32 .section .exit.text, "ax", %progbits
|
|
|
33 .global exit_text
|
|
|
34 .type exit_text, %function
|
|
|
35 exit_text:
|
|
|
36 .fnstart
|
|
|
37 bx lr
|
|
|
38 .personality __gxx_personality_v0
|
|
|
39 .handlerdata
|
|
|
40 .long 0
|
|
|
41 .fnend
|
|
|
42
|
|
|
43 /// Dummy definition for a reference from the personality routine created by
|
|
|
44 /// the assembler, use .data to avoid generating a cantunwind table.
|
|
|
45 .section .rodata
|
|
|
46 .global __aeabi_unwind_cpp_pr0
|
|
|
47 __aeabi_unwind_cpp_pr0:
|
|
|
48 .word 0
|
