arm-exidx-sentinel-and-assignment.s
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# REQUIRES: arm
# RUN: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t.o
# RUN: echo "SECTIONS { \
# RUN: .ARM.exidx 0x1000 : { *(.ARM.exidx*) foo = .; } \
# RUN: .text 0x2000 : { *(.text*) } \
# RUN: }" > %t.script
## We used to crash if the last output section command for .ARM.exidx
## was anything but an input section description.
# RUN: ld.lld --no-merge-exidx-entries -T %t.script %t.o -shared -o %t.so
# RUN: llvm-objdump -s --triple=armv7a-none-linux-gnueabi %t.so | FileCheck %s
# RUN: llvm-readobj -S --symbols %t.so | FileCheck %s --check-prefix=SYMBOL
.syntax unified
.text
.global _start
_start:
.fnstart
.cantunwind
bx lr
.fnend
# CHECK: Contents of section .ARM.exidx:
# 1000 + 1000 = 0x2000 = _start
# 1008 + 0ffc = 0x2004 = _start + sizeof(_start)
# CHECK-NEXT: 1000 00100000 01000000 fc0f0000 01000000
# SYMBOL: Section {
# SYMBOL: Name: .ARM.exidx
# SYMBOL-NEXT: Type: SHT_ARM_EXIDX
# SYMBOL-NEXT: Flags [
# SYMBOL-NEXT: SHF_ALLOC
# SYMBOL-NEXT: SHF_LINK_ORDER
# SYMBOL-NEXT: ]
# SYMBOL-NEXT: Address: 0x1000
# SYMBOL-NEXT: Offset:
# SYMBOL-NEXT: Size: 16
# Symbol 'foo' is expected to point at the end of the section.
# SYMBOL: Symbol {
# SYMBOL: Name: foo
# SYMBOL-NEXT: Value: 0x1010