forked from OSchip/llvm-project
49 lines
1.5 KiB
ArmAsm
49 lines
1.5 KiB
ArmAsm
// REQUIRES: arm
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// RUN: llvm-mc --arm-add-build-attributes --triple=armv7a-linux-gnueabihf -filetype=obj %s -o %t.o
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// RUN: echo "SECTIONS { \
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// RUN: /DISCARD/ : { *(.ARM.exidx.exit.text) *(.ARM.extab.exit.text)} \
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// RUN: . = 0x90000000; \
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// RUN: .ARM.exidx : { *(.ARM.exidx) } \
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// RUN: .text : { *(.text) } \
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// RUN: .exit.text : { *(.exit.text) } \
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// RUN: .rodata : { *(.rodata) } \
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// RUN: } " > %t.script
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// RUN: ld.lld --script %t.script %t.o -o %t
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// RUN: llvm-readelf -x .ARM.exidx %t | FileCheck %s
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/// The linker script /DISCARDS/ the .ARM.exidx and .ARM.extab for the
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/// .exit.text . If we do not discard both sections we will end up with
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/// a dangling reference. We expect no linker error for an out of range
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/// relocation/dangling reference and just a single .ARM.exidx entry
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/// for _start and an entry for the terminating sentinel.
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// CHECK: Hex dump of section '.ARM.exidx':
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// CHECK-NEXT: 0x90000000 10000000 01000000 10000000 01000000
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// CHECK-NOT: 0x90000010
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.text
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.global _start
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.type _start, %function
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_start:
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.fnstart
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bx lr
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.cantunwind
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.fnend
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.section .exit.text, "ax", %progbits
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.global exit_text
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.type exit_text, %function
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exit_text:
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.fnstart
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bx lr
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.personality __gxx_personality_v0
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.handlerdata
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.long 0
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.fnend
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/// Dummy definition for a reference from the personality routine created by
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/// the assembler, use .data to avoid generating a cantunwind table.
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.section .rodata
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.global __aeabi_unwind_cpp_pr0
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__aeabi_unwind_cpp_pr0:
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.word 0
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