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## gdb-index-a.elf and gdb-index-b.elf are a test.o and test2.o renamed,
## were generated in this way:
## test.cpp:
## int main() { return 0; }
## test2.cpp:
## int main2() { return 0; }
## Compiled with:
## gcc -gsplit-dwarf -c test.cpp test2.cpp
## gcc version 5.3.1 20160413
## Info about gdb-index: https://sourceware.org/gdb/onlinedocs/gdb/Index-Section-Format.html
# REQUIRES: x86
# RUN: ld.lld --gdb-index -e main %p/Inputs/gdb-index-a.elf %p/Inputs/gdb-index-b.elf -o %t
# RUN: llvm-dwarfdump -debug-dump=gdb_index %t | FileCheck %s
# RUN: llvm-objdump -d %t | FileCheck %s --check-prefix=DISASM
# DISASM: Disassembly of section .text:
# DISASM: main:
# DISASM-CHECK: 11000: 55 pushq %rbp
# DISASM-CHECK: 11001: 48 89 e5 movq %rsp, %rbp
# DISASM-CHECK: 11004: b8 00 00 00 00 movl $0, %eax
# DISASM-CHECK: 11009: 5d popq %rbp
# DISASM-CHECK: 1100a: c3 retq
# DISASM: _Z5main2v:
# DISASM-CHECK: 1100b: 55 pushq %rbp
# DISASM-CHECK: 1100c: 48 89 e5 movq %rsp, %rbp
# DISASM-CHECK: 1100f: b8 00 00 00 00 movl $0, %eax
# DISASM-CHECK: 11014: 5d popq %rbp
# DISASM-CHECK: 11015: c3 retq
# 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, 0x20100b) (Size: 0xb), CU id = 0
# CHECK-NEXT: Low/High address = [0x20100b, 0x201016) (Size: 0xb), CU id = 1
# CHECK: Symbol table offset = 0x60, size = 1024, filled slots:
# CHECK-NEXT: 489: Name offset = 0x1d, CU vector offset = 0x0
# CHECK-NEXT: String name: main, CU vector index: 0
# CHECK-NEXT: 754: Name offset = 0x22, CU vector offset = 0x8
# CHECK-NEXT: String name: int, CU vector index: 1
# CHECK-NEXT: 956: Name offset = 0x26, 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
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