llvm-project/lld/test/ELF/arm-static-defines.s
Fangrui Song 962b29d716 ELFObjectWriter: Don't sort non-local symbols
As we don't sort local symbols, don't sort non-local symbols.  This makes
non-local symbols appear in their register order, which matches GNU as. The
register order is nice in that you can write tests with interleaved CHECK
prefixes, e.g.

```
// CHECK: something about foo
.globl foo
foo:
// CHECK: something about bar
.globl bar
bar:
```

With the lexicographical order, the user needs to place lexicographical smallest
symbol first or keep CHECK prefixes in one place.
2021-02-13 10:32:27 -08:00

44 lines
1.1 KiB
ArmAsm

// REQUIRES: arm
// RUN: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t
// RUN: ld.lld --no-merge-exidx-entries %t --static -o %t2
// RUN: llvm-readobj --symbols %t2 | FileCheck %s
// Check that on ARM we don't get a multiply defined symbol for __tls_get_addr
// and undefined symbols for references to __exidx_start and __exidx_end
.syntax unified
.section .text
.global __tls_get_addr
__tls_get_addr:
bx lr
.global _start
.global __exidx_start
.global __exidx_end
_start:
.fnstart
bx lr
.word __exidx_start
.word __exidx_end
.cantunwind
.fnend
// CHECK: Name: __exidx_start
// CHECK-NEXT: Value: 0x100D4
// CHECK-NEXT: Size: 0
// CHECK-NEXT: Binding: Local
// CHECK-NEXT: Type: None
// CHECK-NEXT: Other [
// CHECK-NEXT: STV_HIDDEN
// CHECK-NEXT: ]
// CHECK: Name: __exidx_end
// CHECK-NEXT: Value: 0x100E4
// CHECK-NEXT: Size: 0
// CHECK-NEXT: Binding: Local
// CHECK-NEXT: Type: None
// CHECK-NEXT: Other [
// CHECK-NEXT: STV_HIDDEN
// CHECK-NEXT: ]
// CHECK-NEXT: Section: .ARM.exidx
// CHECK: Symbol {
// CHECK-NEXT: Name: __tls_get_addr