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[llvm-dwarfdump] - Change format for .gdb_index dump.

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It is useful to output size of ranges when address ranges
section of .gdb_index is dumped.

It helps to compare outputs produced by different linkers,
for example. In that case address ranges can look very different,
when they are the same at fact. Difference comes from different 
low address because of different address of .text.

Differential revision: https://reviews.llvm.org/D32492

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@301527 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
George Rimar 2017-04-27 10:00:13 +00:00
parent 39e6fd3cd6
commit 0fcdd9ba05
2 changed files with 5 additions and 4 deletions
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5
lib/DebugInfo/DWARF/DWARFGdbIndex.cpp
View File

@ -39,8 +39,9 @@ void DWARFGdbIndex::dumpAddressArea(raw_ostream &OS) const {
<< '\n';
for (const AddressEntry &Addr : AddressArea)
OS << format(
" Low address = 0x%llx, High address = 0x%llx, CU index = %d\n",
Addr.LowAddress, Addr.HighAddress, Addr.CuIndex);
" Low/High address = [0x%llx, 0x%llx) (Size: 0x%llx), CU id = %d\n",
Addr.LowAddress, Addr.HighAddress, Addr.HighAddress - Addr.LowAddress,
Addr.CuIndex);
}
void DWARFGdbIndex::dumpSymbolTable(raw_ostream &OS) const {

4
test/DebugInfo/dwarfdump-dump-gdbindex.test
View File

@ -18,8 +18,8 @@ RUN: llvm-dwarfdump -debug-dump=gdb_index %p/Inputs/dwarfdump-gdbindex-v7.elf-x8
; CHECK-NEXT: 1: Offset = 0x34, Length = 0x34
; CHECK: Address area offset = 0x38, has 2 entries:
; CHECK-NEXT: Low address = 0x4000e8, High address = 0x4000f3, CU index = 0
; CHECK-NEXT: Low address = 0x4000f3, High address = 0x4000fe, CU index = 1
; CHECK-NEXT: Low/High address = [0x4000e8, 0x4000f3) (Size: 0xb), CU id = 0
; CHECK-NEXT: Low/High address = [0x4000f3, 0x4000fe) (Size: 0xb), CU id = 1
; CHECK: Symbol table offset = 0x60, size = 1024, filled slots:
; CHECK-NEXT: 489: Name offset = 0x1d, CU vector offset = 0x0