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-rw-r--r--test/ELF/relocation-b-aarch64.test48
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diff --git a/test/ELF/relocation-b-aarch64.test b/test/ELF/relocation-b-aarch64.test
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+++ b/test/ELF/relocation-b-aarch64.test
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+# REQUIRES: aarch64
+
+# RUN: yaml2obj %s -o %t.o
+# RUN: ld.lld %t.o -o %t.out
+# RUN: llvm-objdump -d -triple=aarch64-none-linux %t.out | FileCheck %s
+
+# Check that the R_AARCH64_JUMP26 writes the branch opcode as well as the
+# immediate. We use this property to overwrite instructions with a branch.
+
+# CHECK: Disassembly of section .text:
+# CHECK-NEXT: foo:
+# CHECK-NEXT: 20000: 01 00 00 14 b #4
+# CHECK: bar:
+# CHECK-NEXT: 20004: ff ff ff 17 b #-4
+
+!ELF
+FileHeader:
+ Class: ELFCLASS64
+ Data: ELFDATA2LSB
+ Type: ET_REL
+ Machine: EM_AARCH64
+Sections:
+ - Type: SHT_PROGBITS
+ Name: .text
+ Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
+ Content: "0000000000000000"
+ - Type: SHT_RELA
+ Name: .rela.text
+ Link: .symtab
+ Info: .text
+ Relocations:
+ - Offset: 0
+ Symbol: bar
+ Type: R_AARCH64_JUMP26
+ - Offset: 4
+ Symbol: foo
+ Type: R_AARCH64_JUMP26
+
+Symbols:
+ Local:
+ - Type: STT_FUNC
+ Section: .text
+ Name: foo
+ Value: 0
+ - Type: STT_FUNC
+ Section: .text
+ Name: bar
+ Value: 4