ELF/AArch64: Check linker created dynamic variables

Check the values of _GLOBAL_OFFSET_TABLE_ and _DYNAMIC variables created by linker. AArch64 version. llvm-svn: 234744
2015-04-13 11:43:33 +00:00 · 2015-04-13 11:43:33 +00:00 · 9fc8102457
parent c55179f847
commit 9fc8102457
1 changed files with 114 additions and 0 deletions
--- a/lld/test/elf/AArch64/dynamicvars.test
+++ b/lld/test/elf/AArch64/dynamicvars.test
@ -0,0 +1,114 @@
+# Tests that the dynamic variables created by the linker are set to the right
+# values.
+
+# RUN: yaml2obj --format elf -docnum 1 %s -o %t.o
+# RUN: lld -flavor gnu  -target aarch64 -e main %t.o -o %t1 --noinhibit-exec
+# RUN: llvm-readobj -sections -symbols %t1 | FileCheck %s
+
+
+# CHECK:    Name: .dynamic
+# CHECK:    Type: SHT_DYNAMIC
+# CHECK:    Address: [[TARGETA:[0xa-fA-f0-9]+]]
+# CHECK:    Name: .got.plt
+# CHECK:    Type: SHT_PROGBITS
+# CHECK:    Address: [[TARGETB:[0xa-fA-f0-9]+]]
+# CHECK:    Name: _DYNAMIC
+# CHECK:    Value: [[TARGETA]]
+# CHECK:    Section: .dynamic
+# CHECK:    Name: _GLOBAL_OFFSET_TABLE_
+# CHECK:    Value: [[TARGETB]]
+# CHECK:    Section: .got.plt
+
+---
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+  Data:            ELFDATA2LSB
+  Type:            ET_REL
+  Machine:         EM_AARCH64
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+    Type:            SHT_PROGBITS
+    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
+    AddressAlign:    0x0000000000000001
+    Content:         ''
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+    Type:            SHT_PROGBITS
+    Flags:           [ SHF_WRITE, SHF_ALLOC ]
+    AddressAlign:    0x0000000000000001
+    Content:         ''
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+    Type:            SHT_NOBITS
+    Flags:           [ SHF_WRITE, SHF_ALLOC ]
+    AddressAlign:    0x0000000000000001
+    Content:         ''
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+    Flags:           [ SHF_ALLOC, SHF_EXECINSTR ]
+    AddressAlign:    0x0000000000000004
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+    Flags:           [ SHF_INFO_LINK ]
+    Link:            .symtab
+    AddressAlign:    0x0000000000000008
+    Info:            .text.startup
+    Relocations:
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+        Symbol:          .rodata.str1.8
+        Type:            R_AARCH64_ADR_PREL_PG_HI21
+      - Offset:          0x000000000000000C
+        Symbol:          .rodata.str1.8
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+      - Offset:          0x0000000000000010
+        Symbol:          puts
+        Type:            R_AARCH64_CALL26
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+    Content:         ''
+Symbols:
+  Local:
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+      Section:         .text
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+      Type:            STT_SECTION
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+      Section:         .bss
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+      Section:         .note.GNU-stack
+    - Name:            .comment
+      Type:            STT_SECTION
+      Section:         .comment
+  Global:
+    - Name:            main
+      Type:            STT_FUNC
+      Section:         .text.startup
+      Size:            0x0000000000000020
+    - Name:            puts
+...