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[dwarfdump] Dump DW_AT_ranges values inline in the debug_info dump.

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The output looks like that:
                      DW_AT_ranges [FORM_data4]    (0x00000000
                         [0x00000001000024a0 - 0x00000001000024c2)
                         [0x0000000100002505 - 0x000000010000268b))

Differential Revision: http://reviews.llvm.org/D5712

llvm-svn: 220466
This commit is contained in:
Frederic Riss 2014-10-23 04:08:34 +00:00
parent 65b92cb354
commit 5be0c9358b
5 changed files with 36 additions and 4 deletions
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20
lib/DebugInfo/DWARFDebugInfoEntry.cpp
View File

@ -88,12 +88,27 @@ static void dumpApplePropertyAttribute(raw_ostream &OS, uint64_t Val) {
OS << ")";
}
static void dumpRanges(raw_ostream &OS, const DWARFAddressRangesVector& Ranges,
unsigned AddressSize, unsigned Indent) {
if (Ranges.empty())
return;
for (const auto &Range: Ranges) {
OS << '\n';
OS.indent(Indent);
OS << format("[0x%0*" PRIx64 " - 0x%0*" PRIx64 ")",
AddressSize*2, Range.first,
AddressSize*2, Range.second);
}
}
void DWARFDebugInfoEntryMinimal::dumpAttribute(raw_ostream &OS,
DWARFUnit *u,
uint32_t *offset_ptr,
uint16_t attr, uint16_t form,
unsigned indent) const {
OS << " ";
const char BaseIndent[] = " ";
OS << BaseIndent;
OS.indent(indent+2);
const char *attrString = AttributeString(attr);
if (attrString)
@ -149,6 +164,9 @@ void DWARFDebugInfoEntryMinimal::dumpAttribute(raw_ostream &OS,
} else if (attr == DW_AT_APPLE_property_attribute) {
if (Optional<uint64_t> OptVal = formValue.getAsUnsignedConstant())
dumpApplePropertyAttribute(OS, *OptVal);
} else if (attr == DW_AT_ranges) {
dumpRanges(OS, getAddressRanges(u), u->getAddressByteSize(),
sizeof(BaseIndent)+indent+4);
}
OS << ")\n";

2
test/DebugInfo/Inputs/gmlt.ll
View File

@ -14,7 +14,7 @@
; describes those subprograms
; CHECK: DW_TAG_compile_unit
; CHECK: DW_AT_ranges [DW_FORM_sec_offset] (0x00000000)
; CHECK: DW_AT_ranges [DW_FORM_sec_offset] (0x00000000
; CHECK-NOT: {{DW_TAG|NULL}}
; Omitting the subprograms without inlined subroutines is not possible

2
test/DebugInfo/X86/fission-ranges.ll
View File

@ -16,7 +16,7 @@
; CHECK: DW_AT_location [DW_FORM_sec_offset] ([[E:0x[0-9a-z]*]])
; CHECK: DW_AT_location [DW_FORM_sec_offset] ([[B:0x[0-9a-z]*]])
; CHECK: DW_AT_location [DW_FORM_sec_offset] ([[D:0x[0-9a-z]*]])
; CHECK: DW_AT_ranges [DW_FORM_sec_offset] (0x00000000)
; CHECK: DW_AT_ranges [DW_FORM_sec_offset] (0x00000000
; CHECK: .debug_loc contents:
; CHECK-NOT: Beginning address offset
; CHECK: .debug_loc.dwo contents:

14
test/DebugInfo/dwarfdump-ranges.test
View File

@ -1,5 +1,19 @@
RUN: llvm-dwarfdump %p/Inputs/dwarfdump-test4.elf-x86-64 | FileCheck %s
CHECK: .debug_info contents:
CHECK: DW_TAG_compile_unit
CHECK-NOT: TAG
CHECK: DW_AT_ranges [DW_FORM_data4] (0x00000000
CHECK-NEXT: [0x000000000000062c - 0x0000000000000637)
CHECK-NEXT: [0x0000000000000637 - 0x000000000000063d))
CHECK: DW_TAG_compile_unit
CHECK-NOT: TAG
CHECK: DW_AT_ranges [DW_FORM_data4] (0x00000030
CHECK-NEXT: [0x0000000000000640 - 0x000000000000064b)
CHECK-NEXT: [0x0000000000000637 - 0x000000000000063d))
CHECK: .debug_ranges contents:
CHECK-NEXT: 00000000 000000000000062c 0000000000000637
CHECK-NEXT: 00000000 0000000000000637 000000000000063d

2
test/MC/ARM/dwarf-asm-multiple-sections.s
View File

@ -25,7 +25,7 @@ b:
// DWARF: .debug_info contents:
// DWARF: 0x{{[0-9a-f]+}}: DW_TAG_compile_unit [1]
// CHECK-NOT-DWARF: DW_TAG_
// DWARF: DW_AT_ranges [DW_FORM_data4] (0x00000000)
// DWARF: DW_AT_ranges [DW_FORM_data4] (0x00000000
// DWARF: 0x{{[0-9a-f]+}}: DW_TAG_label [2] *
// DWARF-NEXT: DW_AT_name [DW_FORM_string] ("a")