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Fixed issues found by Paul Robinson with my patch for:

Browse Source 
https://reviews.llvm.org/D26526

- Fixed DW_FORM_strp to be correctly sized and extracted for DWARF64
- Added some missing strp variants as well
- Fixed comment typo

llvm-svn: 286603
This commit is contained in:
Greg Clayton 2016-11-11 17:38:14 +00:00
parent 9b9ba9e292
commit 07ff20c644
1 changed files with 7 additions and 4 deletions
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11
lib/DebugInfo/DWARF/DWARFFormValue.cpp
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@ -128,9 +128,9 @@ static Optional<uint8_t> getFixedByteSize(dwarf::Form Form, const T *U) {
case DW_FORM_data4:
case DW_FORM_ref4:
case DW_FORM_strp:
return 4;
case DW_FORM_strp:
case DW_FORM_GNU_ref_alt:
case DW_FORM_GNU_strp_alt:
case DW_FORM_line_strp:
@ -169,7 +169,7 @@ static bool skipFormValue(dwarf::Form Form, const DataExtractor &DebugInfoData,
bool Indirect = false;
do {
switch (Form) {
// Blocks if inlined data that have a length field and the data bytes
// Blocks of inlined data that have a length field and the data bytes
// inlined in the .debug_info.
case DW_FORM_exprloc:
case DW_FORM_block: {
@ -211,8 +211,11 @@ static bool skipFormValue(dwarf::Form Form, const DataExtractor &DebugInfoData,
case DW_FORM_ref4:
case DW_FORM_ref8:
case DW_FORM_ref_sig8:
case DW_FORM_ref_sup:
case DW_FORM_sec_offset:
case DW_FORM_strp:
case DW_FORM_strp_sup:
case DW_FORM_line_strp:
case DW_FORM_GNU_ref_alt:
case DW_FORM_GNU_strp_alt:
if (Optional<uint8_t> FixedSize = ::getFixedByteSize(Form, U)) {
@ -341,8 +344,7 @@ bool DWARFFormValue::extractValue(const DataExtractor &data,
Value.uval = data.getU16(offset_ptr);
break;
case DW_FORM_data4:
case DW_FORM_ref4:
case DW_FORM_strp: {
case DW_FORM_ref4: {
Value.uval = data.getU32(offset_ptr);
if (!U)
break;
@ -369,6 +371,7 @@ bool DWARFFormValue::extractValue(const DataExtractor &data,
Form = static_cast<dwarf::Form>(data.getULEB128(offset_ptr));
indirect = true;
break;
case DW_FORM_strp:
case DW_FORM_sec_offset:
case DW_FORM_GNU_ref_alt:
case DW_FORM_GNU_strp_alt: