Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/lld/test/ELF/gdb-index.s

@@ -0,0 +1,116 @@
+# REQUIRES: x86
+# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t1.o
+# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %p/Inputs/gdb-index.s -o %t2.o
+# RUN: ld.lld --gdb-index %t1.o %t2.o -o %t
+# RUN: llvm-dwarfdump -gdb-index %t | FileCheck %s
+# RUN: llvm-objdump -d %t | FileCheck %s --check-prefix=DISASM
+
+# DISASM:       Disassembly of section .text:
+# DISASM:       entrypoint:
+# DISASM-CHECK:   201000: 90 nop
+# DISASM-CHECK:   201001: cc int3
+# DISASM-CHECK:   201002: cc int3
+# DISASM-CHECK:   201003: cc int3
+# DISASM:       main2:
+# DISASM-CHECK:   201004: 90 nop
+# DISASM-CHECK:   201005: 90 nop
+
+# CHECK:      .gnu_index contents:
+# CHECK-NEXT:    Version = 7
+# CHECK:       CU list offset = 0x18, has 2 entries:
+# CHECK-NEXT:    0: Offset = 0x0, Length = 0x34
+# CHECK-NEXT:    1: Offset = 0x34, Length = 0x34
+# CHECK:       Address area offset = 0x38, has 2 entries:
+# CHECK-NEXT:    Low/High address = [0x201000, 0x201001) (Size: 0x1), CU id = 0
+# CHECK-NEXT:    Low/High address = [0x201004, 0x201006) (Size: 0x2), CU id = 1
+# CHECK:       Symbol table offset = 0x60, size = 1024, filled slots:
+# CHECK-NEXT:    754: Name offset = 0x27, CU vector offset = 0x8
+# CHECK-NEXT:	   String name: int, CU vector index: 1
+# CHECK-NEXT:    822: Name offset = 0x1c, CU vector offset = 0x0
+# CHECK-NEXT:	   String name: entrypoint, CU vector index: 0
+# CHECK-NEXT:    956: Name offset = 0x2b, CU vector offset = 0x14
+# CHECK-NEXT:      String name: main2, CU vector index: 2
+# CHECK:       Constant pool offset = 0x2060, has 3 CU vectors:
+# CHECK-NEXT:    0(0x0): 0x30000000
+# CHECK-NEXT:    1(0x8): 0x90000000 0x90000001
+# CHECK-NEXT:    2(0x14): 0x30000001
+
+# RUN: ld.lld --gdb-index --no-gdb-index %t1.o %t2.o -o %t2
+# RUN: llvm-readobj -sections %t2 | FileCheck -check-prefix=NOGDB %s
+# NOGDB-NOT: Name: .gdb_index
+
+## The following section contents are created by this using gcc 7.1.0:
+## echo 'int entrypoint() { return 0; }' | gcc -gsplit-dwarf -xc++ -S -o- -
+
+.text
+.Ltext0:
+.globl entrypoint
+.type entrypoint, @function
+entrypoint:
+ nop
+.Letext0:
+
+.section .debug_info,"",@progbits
+.long 0x30
+.value 0x4
+.long 0
+.byte 0x8
+.uleb128 0x1
+.quad .Ltext0
+.quad .Letext0-.Ltext0
+.long 0
+.long 0
+.long 0
+.long 0
+.byte 0x63
+.byte 0x88
+.byte 0xb4
+.byte 0x61
+.byte 0xaa
+.byte 0xb6
+.byte 0xb0
+.byte 0x67
+
+.section .debug_abbrev,"",@progbits
+.uleb128 0x1
+.uleb128 0x11
+.byte 0
+.uleb128 0x11
+.uleb128 0x1
+.uleb128 0x12
+.uleb128 0x7
+.uleb128 0x10
+.uleb128 0x17
+.uleb128 0x2130
+.uleb128 0xe
+.uleb128 0x1b
+.uleb128 0xe
+.uleb128 0x2134
+.uleb128 0x19
+.uleb128 0x2133
+.uleb128 0x17
+.uleb128 0x2131
+.uleb128 0x7
+.byte 0
+.byte 0
+.byte 0
+
+.section .debug_gnu_pubnames,"",@progbits
+.long 0x18
+.value 0x2
+.long 0
+.long 0x33
+.long 0x18
+.byte 0x30
+.string "entrypoint"
+.long 0
+
+.section .debug_gnu_pubtypes,"",@progbits
+.long 0x17
+.value 0x2
+.long 0
+.long 0x33
+.long 0x2b
+.byte 0x90
+.string "int"
+.long 0