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authorPaul Robinson <paul.robinson@sony.com>2017-05-03 21:53:21 +0000
committerPaul Robinson <paul.robinson@sony.com>2017-05-03 21:53:21 +0000
commitae2e6f37f3cf4068005d3215e910404190043196 (patch)
tree08142a62d818a864699a8c7dbd64282be99620bf /llvm/lib/DebugInfo/DWARF/DWARFFormValue.cpp
parent87f033885eac68fe9a6518173f42da320e40eee6 (diff)
downloadbcm5719-llvm-ae2e6f37f3cf4068005d3215e910404190043196.tar.gz
bcm5719-llvm-ae2e6f37f3cf4068005d3215e910404190043196.zip
clang-format and restyle DWARFFormValue before working on it. NFC
llvm-svn: 302086
Diffstat (limited to 'llvm/lib/DebugInfo/DWARF/DWARFFormValue.cpp')
-rw-r--r--llvm/lib/DebugInfo/DWARF/DWARFFormValue.cpp581
1 files changed, 301 insertions, 280 deletions
diff --git a/llvm/lib/DebugInfo/DWARF/DWARFFormValue.cpp b/llvm/lib/DebugInfo/DWARF/DWARFFormValue.cpp
index 7f827de8924..1cbd3ea2c86 100644
--- a/llvm/lib/DebugInfo/DWARF/DWARFFormValue.cpp
+++ b/llvm/lib/DebugInfo/DWARF/DWARFFormValue.cpp
@@ -7,13 +7,13 @@
//
//===----------------------------------------------------------------------===//
+#include "llvm/DebugInfo/DWARF/DWARFFormValue.h"
#include "SyntaxHighlighting.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/None.h"
#include "llvm/ADT/Optional.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/DebugInfo/DWARF/DWARFContext.h"
-#include "llvm/DebugInfo/DWARF/DWARFFormValue.h"
#include "llvm/DebugInfo/DWARF/DWARFRelocMap.h"
#include "llvm/DebugInfo/DWARF/DWARFUnit.h"
#include "llvm/Support/Dwarf.h"
@@ -29,34 +29,34 @@ using namespace dwarf;
using namespace syntax;
static const DWARFFormValue::FormClass DWARF4FormClasses[] = {
- DWARFFormValue::FC_Unknown, // 0x0
- DWARFFormValue::FC_Address, // 0x01 DW_FORM_addr
- DWARFFormValue::FC_Unknown, // 0x02 unused
- DWARFFormValue::FC_Block, // 0x03 DW_FORM_block2
- DWARFFormValue::FC_Block, // 0x04 DW_FORM_block4
- DWARFFormValue::FC_Constant, // 0x05 DW_FORM_data2
- // --- These can be FC_SectionOffset in DWARF3 and below:
- DWARFFormValue::FC_Constant, // 0x06 DW_FORM_data4
- DWARFFormValue::FC_Constant, // 0x07 DW_FORM_data8
- // ---
- DWARFFormValue::FC_String, // 0x08 DW_FORM_string
- DWARFFormValue::FC_Block, // 0x09 DW_FORM_block
- DWARFFormValue::FC_Block, // 0x0a DW_FORM_block1
- DWARFFormValue::FC_Constant, // 0x0b DW_FORM_data1
- DWARFFormValue::FC_Flag, // 0x0c DW_FORM_flag
- DWARFFormValue::FC_Constant, // 0x0d DW_FORM_sdata
- DWARFFormValue::FC_String, // 0x0e DW_FORM_strp
- DWARFFormValue::FC_Constant, // 0x0f DW_FORM_udata
- DWARFFormValue::FC_Reference, // 0x10 DW_FORM_ref_addr
- DWARFFormValue::FC_Reference, // 0x11 DW_FORM_ref1
- DWARFFormValue::FC_Reference, // 0x12 DW_FORM_ref2
- DWARFFormValue::FC_Reference, // 0x13 DW_FORM_ref4
- DWARFFormValue::FC_Reference, // 0x14 DW_FORM_ref8
- DWARFFormValue::FC_Reference, // 0x15 DW_FORM_ref_udata
- DWARFFormValue::FC_Indirect, // 0x16 DW_FORM_indirect
- DWARFFormValue::FC_SectionOffset, // 0x17 DW_FORM_sec_offset
- DWARFFormValue::FC_Exprloc, // 0x18 DW_FORM_exprloc
- DWARFFormValue::FC_Flag, // 0x19 DW_FORM_flag_present
+ DWARFFormValue::FC_Unknown, // 0x0
+ DWARFFormValue::FC_Address, // 0x01 DW_FORM_addr
+ DWARFFormValue::FC_Unknown, // 0x02 unused
+ DWARFFormValue::FC_Block, // 0x03 DW_FORM_block2
+ DWARFFormValue::FC_Block, // 0x04 DW_FORM_block4
+ DWARFFormValue::FC_Constant, // 0x05 DW_FORM_data2
+ // --- These can be FC_SectionOffset in DWARF3 and below:
+ DWARFFormValue::FC_Constant, // 0x06 DW_FORM_data4
+ DWARFFormValue::FC_Constant, // 0x07 DW_FORM_data8
+ // ---
+ DWARFFormValue::FC_String, // 0x08 DW_FORM_string
+ DWARFFormValue::FC_Block, // 0x09 DW_FORM_block
+ DWARFFormValue::FC_Block, // 0x0a DW_FORM_block1
+ DWARFFormValue::FC_Constant, // 0x0b DW_FORM_data1
+ DWARFFormValue::FC_Flag, // 0x0c DW_FORM_flag
+ DWARFFormValue::FC_Constant, // 0x0d DW_FORM_sdata
+ DWARFFormValue::FC_String, // 0x0e DW_FORM_strp
+ DWARFFormValue::FC_Constant, // 0x0f DW_FORM_udata
+ DWARFFormValue::FC_Reference, // 0x10 DW_FORM_ref_addr
+ DWARFFormValue::FC_Reference, // 0x11 DW_FORM_ref1
+ DWARFFormValue::FC_Reference, // 0x12 DW_FORM_ref2
+ DWARFFormValue::FC_Reference, // 0x13 DW_FORM_ref4
+ DWARFFormValue::FC_Reference, // 0x14 DW_FORM_ref8
+ DWARFFormValue::FC_Reference, // 0x15 DW_FORM_ref_udata
+ DWARFFormValue::FC_Indirect, // 0x16 DW_FORM_indirect
+ DWARFFormValue::FC_SectionOffset, // 0x17 DW_FORM_sec_offset
+ DWARFFormValue::FC_Exprloc, // 0x18 DW_FORM_exprloc
+ DWARFFormValue::FC_Flag, // 0x19 DW_FORM_flag_present
};
namespace {
@@ -83,10 +83,10 @@ public:
uint8_t getDwarfOffsetByteSize() const {
switch (Format) {
- case dwarf::DwarfFormat::DWARF32:
- return 4;
- case dwarf::DwarfFormat::DWARF64:
- return 8;
+ case dwarf::DwarfFormat::DWARF32:
+ return 4;
+ case dwarf::DwarfFormat::DWARF64:
+ return 8;
}
llvm_unreachable("Invalid Format value");
}
@@ -97,83 +97,83 @@ public:
template <class T>
static Optional<uint8_t> getFixedByteSize(dwarf::Form Form, const T *U) {
switch (Form) {
- case DW_FORM_addr:
- if (U)
- return U->getAddressByteSize();
- return None;
+ case DW_FORM_addr:
+ if (U)
+ return U->getAddressByteSize();
+ return None;
- case DW_FORM_block: // ULEB128 length L followed by L bytes.
- case DW_FORM_block1: // 1 byte length L followed by L bytes.
- case DW_FORM_block2: // 2 byte length L followed by L bytes.
- case DW_FORM_block4: // 4 byte length L followed by L bytes.
- case DW_FORM_string: // C-string with null terminator.
- case DW_FORM_sdata: // SLEB128.
- case DW_FORM_udata: // ULEB128.
- case DW_FORM_ref_udata: // ULEB128.
- case DW_FORM_indirect: // ULEB128.
- case DW_FORM_exprloc: // ULEB128 length L followed by L bytes.
- case DW_FORM_strx: // ULEB128.
- case DW_FORM_addrx: // ULEB128.
- case DW_FORM_loclistx: // ULEB128.
- case DW_FORM_rnglistx: // ULEB128.
- case DW_FORM_GNU_addr_index: // ULEB128.
- case DW_FORM_GNU_str_index: // ULEB128.
- return None;
+ case DW_FORM_block: // ULEB128 length L followed by L bytes.
+ case DW_FORM_block1: // 1 byte length L followed by L bytes.
+ case DW_FORM_block2: // 2 byte length L followed by L bytes.
+ case DW_FORM_block4: // 4 byte length L followed by L bytes.
+ case DW_FORM_string: // C-string with null terminator.
+ case DW_FORM_sdata: // SLEB128.
+ case DW_FORM_udata: // ULEB128.
+ case DW_FORM_ref_udata: // ULEB128.
+ case DW_FORM_indirect: // ULEB128.
+ case DW_FORM_exprloc: // ULEB128 length L followed by L bytes.
+ case DW_FORM_strx: // ULEB128.
+ case DW_FORM_addrx: // ULEB128.
+ case DW_FORM_loclistx: // ULEB128.
+ case DW_FORM_rnglistx: // ULEB128.
+ case DW_FORM_GNU_addr_index: // ULEB128.
+ case DW_FORM_GNU_str_index: // ULEB128.
+ return None;
- case DW_FORM_ref_addr:
- if (U)
- return U->getRefAddrByteSize();
- return None;
+ case DW_FORM_ref_addr:
+ if (U)
+ return U->getRefAddrByteSize();
+ return None;
- case DW_FORM_flag:
- case DW_FORM_data1:
- case DW_FORM_ref1:
- case DW_FORM_strx1:
- case DW_FORM_addrx1:
- return 1;
+ case DW_FORM_flag:
+ case DW_FORM_data1:
+ case DW_FORM_ref1:
+ case DW_FORM_strx1:
+ case DW_FORM_addrx1:
+ return 1;
- case DW_FORM_data2:
- case DW_FORM_ref2:
- case DW_FORM_strx2:
- case DW_FORM_addrx2:
- return 2;
+ case DW_FORM_data2:
+ case DW_FORM_ref2:
+ case DW_FORM_strx2:
+ case DW_FORM_addrx2:
+ return 2;
- case DW_FORM_data4:
- case DW_FORM_ref4:
- case DW_FORM_ref_sup4:
- case DW_FORM_strx4:
- case DW_FORM_addrx4:
- return 4;
+ case DW_FORM_data4:
+ case DW_FORM_ref4:
+ case DW_FORM_ref_sup4:
+ case DW_FORM_strx4:
+ case DW_FORM_addrx4:
+ return 4;
- case DW_FORM_strp:
- case DW_FORM_GNU_ref_alt:
- case DW_FORM_GNU_strp_alt:
- case DW_FORM_line_strp:
- case DW_FORM_sec_offset:
- case DW_FORM_strp_sup:
- if (U)
- return U->getDwarfOffsetByteSize();
- return None;
+ case DW_FORM_strp:
+ case DW_FORM_GNU_ref_alt:
+ case DW_FORM_GNU_strp_alt:
+ case DW_FORM_line_strp:
+ case DW_FORM_sec_offset:
+ case DW_FORM_strp_sup:
+ if (U)
+ return U->getDwarfOffsetByteSize();
+ return None;
- case DW_FORM_data8:
- case DW_FORM_ref8:
- case DW_FORM_ref_sig8:
- case DW_FORM_ref_sup8:
- return 8;
+ case DW_FORM_data8:
+ case DW_FORM_ref8:
+ case DW_FORM_ref_sig8:
+ case DW_FORM_ref_sup8:
+ return 8;
- case DW_FORM_flag_present:
- return 0;
+ case DW_FORM_flag_present:
+ return 0;
- case DW_FORM_data16:
- return 16;
+ case DW_FORM_data16:
+ return 16;
- case DW_FORM_implicit_const:
- // The implicit value is stored in the abbreviation as a SLEB128, and
- // there no data in debug info.
- return 0;
+ case DW_FORM_implicit_const:
+ // The implicit value is stored in the abbreviation as a SLEB128, and
+ // there no data in debug info.
+ return 0;
- default:
- llvm_unreachable("Handle this form in this switch statement");
+ default:
+ llvm_unreachable("Handle this form in this switch statement");
}
return None;
}
@@ -184,91 +184,91 @@ static bool skipFormValue(dwarf::Form Form, const DataExtractor &DebugInfoData,
bool Indirect = false;
do {
switch (Form) {
- // 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: {
- uint64_t size = DebugInfoData.getULEB128(OffsetPtr);
- *OffsetPtr += size;
- return true;
- }
- case DW_FORM_block1: {
- uint8_t size = DebugInfoData.getU8(OffsetPtr);
- *OffsetPtr += size;
- return true;
- }
- case DW_FORM_block2: {
- uint16_t size = DebugInfoData.getU16(OffsetPtr);
- *OffsetPtr += size;
- return true;
- }
- case DW_FORM_block4: {
- uint32_t size = DebugInfoData.getU32(OffsetPtr);
- *OffsetPtr += size;
+ // 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: {
+ uint64_t size = DebugInfoData.getULEB128(OffsetPtr);
+ *OffsetPtr += size;
+ return true;
+ }
+ case DW_FORM_block1: {
+ uint8_t size = DebugInfoData.getU8(OffsetPtr);
+ *OffsetPtr += size;
+ return true;
+ }
+ case DW_FORM_block2: {
+ uint16_t size = DebugInfoData.getU16(OffsetPtr);
+ *OffsetPtr += size;
+ return true;
+ }
+ case DW_FORM_block4: {
+ uint32_t size = DebugInfoData.getU32(OffsetPtr);
+ *OffsetPtr += size;
+ return true;
+ }
+
+ // Inlined NULL terminated C-strings.
+ case DW_FORM_string:
+ DebugInfoData.getCStr(OffsetPtr);
+ return true;
+
+ case DW_FORM_addr:
+ case DW_FORM_ref_addr:
+ case DW_FORM_flag_present:
+ case DW_FORM_data1:
+ case DW_FORM_data2:
+ case DW_FORM_data4:
+ case DW_FORM_data8:
+ case DW_FORM_flag:
+ case DW_FORM_ref1:
+ case DW_FORM_ref2:
+ case DW_FORM_ref4:
+ case DW_FORM_ref8:
+ case DW_FORM_ref_sig8:
+ case DW_FORM_ref_sup4:
+ case DW_FORM_ref_sup8:
+ case DW_FORM_strx1:
+ case DW_FORM_strx2:
+ case DW_FORM_strx4:
+ case DW_FORM_addrx1:
+ case DW_FORM_addrx2:
+ case DW_FORM_addrx4:
+ 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)) {
+ *OffsetPtr += *FixedSize;
return true;
}
+ return false;
- // Inlined NULL terminated C-strings.
- case DW_FORM_string:
- DebugInfoData.getCStr(OffsetPtr);
- return true;
+ // signed or unsigned LEB 128 values.
+ case DW_FORM_sdata:
+ DebugInfoData.getSLEB128(OffsetPtr);
+ return true;
- case DW_FORM_addr:
- case DW_FORM_ref_addr:
- case DW_FORM_flag_present:
- case DW_FORM_data1:
- case DW_FORM_data2:
- case DW_FORM_data4:
- case DW_FORM_data8:
- case DW_FORM_flag:
- case DW_FORM_ref1:
- case DW_FORM_ref2:
- case DW_FORM_ref4:
- case DW_FORM_ref8:
- case DW_FORM_ref_sig8:
- case DW_FORM_ref_sup4:
- case DW_FORM_ref_sup8:
- case DW_FORM_strx1:
- case DW_FORM_strx2:
- case DW_FORM_strx4:
- case DW_FORM_addrx1:
- case DW_FORM_addrx2:
- case DW_FORM_addrx4:
- 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)) {
- *OffsetPtr += *FixedSize;
- return true;
- }
- return false;
+ case DW_FORM_udata:
+ case DW_FORM_ref_udata:
+ case DW_FORM_strx:
+ case DW_FORM_addrx:
+ case DW_FORM_loclistx:
+ case DW_FORM_rnglistx:
+ case DW_FORM_GNU_addr_index:
+ case DW_FORM_GNU_str_index:
+ DebugInfoData.getULEB128(OffsetPtr);
+ return true;
- // signed or unsigned LEB 128 values.
- case DW_FORM_sdata:
- DebugInfoData.getSLEB128(OffsetPtr);
- return true;
+ case DW_FORM_indirect:
+ Indirect = true;
+ Form = static_cast<dwarf::Form>(DebugInfoData.getULEB128(OffsetPtr));
+ break;
- case DW_FORM_udata:
- case DW_FORM_ref_udata:
- case DW_FORM_strx:
- case DW_FORM_addrx:
- case DW_FORM_loclistx:
- case DW_FORM_rnglistx:
- case DW_FORM_GNU_addr_index:
- case DW_FORM_GNU_str_index:
- DebugInfoData.getULEB128(OffsetPtr);
- return true;
-
- case DW_FORM_indirect:
- Indirect = true;
- Form = static_cast<dwarf::Form>(DebugInfoData.getULEB128(OffsetPtr));
- break;
-
- default:
- return false;
+ default:
+ return false;
}
} while (Indirect);
return true;
@@ -316,87 +316,84 @@ bool DWARFFormValue::isFormClass(DWARFFormValue::FormClass FC) const {
FC == FC_SectionOffset;
}
-bool DWARFFormValue::extractValue(const DataExtractor &data,
- uint32_t *offset_ptr,
- const DWARFUnit *cu) {
- U = cu;
- bool indirect = false;
- bool is_block = false;
+bool DWARFFormValue::extractValue(const DataExtractor &Data,
+ uint32_t *OffsetPtr, const DWARFUnit *CU) {
+ U = CU;
+ bool Indirect = false;
+ bool IsBlock = false;
Value.data = nullptr;
// Read the value for the form into value and follow and DW_FORM_indirect
// instances we run into
do {
- indirect = false;
+ Indirect = false;
switch (Form) {
case DW_FORM_addr:
case DW_FORM_ref_addr: {
if (!U)
return false;
- uint16_t AddrSize =
- (Form == DW_FORM_addr)
- ? U->getAddressByteSize()
- : U->getRefAddrByteSize();
+ uint16_t AddrSize = (Form == DW_FORM_addr) ? U->getAddressByteSize()
+ : U->getRefAddrByteSize();
Value.uval =
- getRelocatedValue(data, AddrSize, offset_ptr, U->getRelocMap());
+ getRelocatedValue(Data, AddrSize, OffsetPtr, U->getRelocMap());
break;
}
case DW_FORM_exprloc:
case DW_FORM_block:
- Value.uval = data.getULEB128(offset_ptr);
- is_block = true;
+ Value.uval = Data.getULEB128(OffsetPtr);
+ IsBlock = true;
break;
case DW_FORM_block1:
- Value.uval = data.getU8(offset_ptr);
- is_block = true;
+ Value.uval = Data.getU8(OffsetPtr);
+ IsBlock = true;
break;
case DW_FORM_block2:
- Value.uval = data.getU16(offset_ptr);
- is_block = true;
+ Value.uval = Data.getU16(OffsetPtr);
+ IsBlock = true;
break;
case DW_FORM_block4:
- Value.uval = data.getU32(offset_ptr);
- is_block = true;
+ Value.uval = Data.getU32(OffsetPtr);
+ IsBlock = true;
break;
case DW_FORM_data1:
case DW_FORM_ref1:
case DW_FORM_flag:
case DW_FORM_strx1:
case DW_FORM_addrx1:
- Value.uval = data.getU8(offset_ptr);
+ Value.uval = Data.getU8(OffsetPtr);
break;
case DW_FORM_data2:
case DW_FORM_ref2:
case DW_FORM_strx2:
case DW_FORM_addrx2:
- Value.uval = data.getU16(offset_ptr);
+ Value.uval = Data.getU16(OffsetPtr);
break;
case DW_FORM_data4:
case DW_FORM_ref4:
case DW_FORM_ref_sup4:
case DW_FORM_strx4:
case DW_FORM_addrx4: {
- const RelocAddrMap* RelocMap = U ? U->getRelocMap() : nullptr;
- Value.uval = getRelocatedValue(data, 4, offset_ptr, RelocMap);
+ const RelocAddrMap *RelocMap = U ? U->getRelocMap() : nullptr;
+ Value.uval = getRelocatedValue(Data, 4, OffsetPtr, RelocMap);
break;
}
case DW_FORM_data8:
case DW_FORM_ref8:
case DW_FORM_ref_sup8:
- Value.uval = data.getU64(offset_ptr);
+ Value.uval = Data.getU64(OffsetPtr);
break;
case DW_FORM_sdata:
- Value.sval = data.getSLEB128(offset_ptr);
+ Value.sval = Data.getSLEB128(OffsetPtr);
break;
case DW_FORM_udata:
case DW_FORM_ref_udata:
- Value.uval = data.getULEB128(offset_ptr);
+ Value.uval = Data.getULEB128(OffsetPtr);
break;
case DW_FORM_string:
- Value.cstr = data.getCStr(offset_ptr);
+ Value.cstr = Data.getCStr(OffsetPtr);
break;
case DW_FORM_indirect:
- Form = static_cast<dwarf::Form>(data.getULEB128(offset_ptr));
- indirect = true;
+ Form = static_cast<dwarf::Form>(Data.getULEB128(OffsetPtr));
+ Indirect = true;
break;
case DW_FORM_strp:
case DW_FORM_sec_offset:
@@ -406,82 +403,93 @@ bool DWARFFormValue::extractValue(const DataExtractor &data,
case DW_FORM_strp_sup: {
if (!U)
return false;
- Value.uval = getRelocatedValue(data, U->getDwarfOffsetByteSize(),
- offset_ptr, U->getRelocMap());
+ Value.uval = getRelocatedValue(Data, U->getDwarfOffsetByteSize(),
+ OffsetPtr, U->getRelocMap());
break;
}
case DW_FORM_flag_present:
Value.uval = 1;
break;
case DW_FORM_ref_sig8:
- Value.uval = data.getU64(offset_ptr);
+ Value.uval = Data.getU64(OffsetPtr);
break;
case DW_FORM_GNU_addr_index:
case DW_FORM_GNU_str_index:
- Value.uval = data.getULEB128(offset_ptr);
+ Value.uval = Data.getULEB128(OffsetPtr);
break;
default:
// DWARFFormValue::skipValue() will have caught this and caused all
// DWARF DIEs to fail to be parsed, so this code is not be reachable.
llvm_unreachable("unsupported form");
}
- } while (indirect);
+ } while (Indirect);
- if (is_block) {
- StringRef str = data.getData().substr(*offset_ptr, Value.uval);
+ if (IsBlock) {
+ StringRef Str = Data.getData().substr(*OffsetPtr, Value.uval);
Value.data = nullptr;
- if (!str.empty()) {
- Value.data = reinterpret_cast<const uint8_t *>(str.data());
- *offset_ptr += Value.uval;
+ if (!Str.empty()) {
+ Value.data = reinterpret_cast<const uint8_t *>(Str.data());
+ *OffsetPtr += Value.uval;
}
}
return true;
}
-bool DWARFFormValue::skipValue(DataExtractor DebugInfoData,
- uint32_t *offset_ptr, const DWARFUnit *U) const {
- return DWARFFormValue::skipValue(Form, DebugInfoData, offset_ptr, U);
+bool DWARFFormValue::skipValue(DataExtractor DebugInfoData, uint32_t *OffsetPtr,
+ const DWARFUnit *U) const {
+ return DWARFFormValue::skipValue(Form, DebugInfoData, OffsetPtr, U);
}
-bool DWARFFormValue::skipValue(dwarf::Form form, DataExtractor DebugInfoData,
- uint32_t *offset_ptr, const DWARFUnit *U) {
- return skipFormValue(form, DebugInfoData, offset_ptr, U);
+bool DWARFFormValue::skipValue(dwarf::Form Form, DataExtractor DebugInfoData,
+ uint32_t *OffsetPtr, const DWARFUnit *U) {
+ return skipFormValue(Form, DebugInfoData, OffsetPtr, U);
}
-bool DWARFFormValue::skipValue(dwarf::Form form, DataExtractor DebugInfoData,
- uint32_t *offset_ptr, uint16_t Version,
+bool DWARFFormValue::skipValue(dwarf::Form Form, DataExtractor DebugInfoData,
+ uint32_t *OffsetPtr, uint16_t Version,
uint8_t AddrSize,
llvm::dwarf::DwarfFormat Format) {
FormSizeHelper FSH(Version, AddrSize, Format);
- return skipFormValue(form, DebugInfoData, offset_ptr, &FSH);
+ return skipFormValue(Form, DebugInfoData, OffsetPtr, &FSH);
}
-void
-DWARFFormValue::dump(raw_ostream &OS) const {
- uint64_t uvalue = Value.uval;
- bool cu_relative_offset = false;
+void DWARFFormValue::dump(raw_ostream &OS) const {
+ uint64_t UValue = Value.uval;
+ bool CURelativeOffset = false;
switch (Form) {
- case DW_FORM_addr: OS << format("0x%016" PRIx64, uvalue); break;
+ case DW_FORM_addr:
+ OS << format("0x%016" PRIx64, UValue);
+ break;
case DW_FORM_GNU_addr_index: {
- OS << format(" indexed (%8.8x) address = ", (uint32_t)uvalue);
+ OS << format(" indexed (%8.8x) address = ", (uint32_t)UValue);
uint64_t Address;
if (U == nullptr)
OS << "<invalid dwarf unit>";
- else if (U->getAddrOffsetSectionItem(uvalue, Address))
+ else if (U->getAddrOffsetSectionItem(UValue, Address))
OS << format("0x%016" PRIx64, Address);
else
OS << "<no .debug_addr section>";
break;
}
- case DW_FORM_flag_present: OS << "true"; break;
+ case DW_FORM_flag_present:
+ OS << "true";
+ break;
case DW_FORM_flag:
- case DW_FORM_data1: OS << format("0x%02x", (uint8_t)uvalue); break;
- case DW_FORM_data2: OS << format("0x%04x", (uint16_t)uvalue); break;
- case DW_FORM_data4: OS << format("0x%08x", (uint32_t)uvalue); break;
+ case DW_FORM_data1:
+ OS << format("0x%02x", (uint8_t)UValue);
+ break;
+ case DW_FORM_data2:
+ OS << format("0x%04x", (uint16_t)UValue);
+ break;
+ case DW_FORM_data4:
+ OS << format("0x%08x", (uint32_t)UValue);
+ break;
case DW_FORM_ref_sig8:
- case DW_FORM_data8: OS << format("0x%016" PRIx64, uvalue); break;
+ case DW_FORM_data8:
+ OS << format("0x%016" PRIx64, UValue);
+ break;
case DW_FORM_string:
OS << '"';
OS.write_escaped(Value.cstr);
@@ -492,80 +500,92 @@ DWARFFormValue::dump(raw_ostream &OS) const {
case DW_FORM_block1:
case DW_FORM_block2:
case DW_FORM_block4:
- if (uvalue > 0) {
+ if (UValue > 0) {
switch (Form) {
case DW_FORM_exprloc:
- case DW_FORM_block: OS << format("<0x%" PRIx64 "> ", uvalue); break;
- case DW_FORM_block1: OS << format("<0x%2.2x> ", (uint8_t)uvalue); break;
- case DW_FORM_block2: OS << format("<0x%4.4x> ", (uint16_t)uvalue); break;
- case DW_FORM_block4: OS << format("<0x%8.8x> ", (uint32_t)uvalue); break;
- default: break;
+ case DW_FORM_block:
+ OS << format("<0x%" PRIx64 "> ", UValue);
+ break;
+ case DW_FORM_block1:
+ OS << format("<0x%2.2x> ", (uint8_t)UValue);
+ break;
+ case DW_FORM_block2:
+ OS << format("<0x%4.4x> ", (uint16_t)UValue);
+ break;
+ case DW_FORM_block4:
+ OS << format("<0x%8.8x> ", (uint32_t)UValue);
+ break;
+ default:
+ break;
}
- const uint8_t* data_ptr = Value.data;
- if (data_ptr) {
- // uvalue contains size of block
- const uint8_t* end_data_ptr = data_ptr + uvalue;
- while (data_ptr < end_data_ptr) {
- OS << format("%2.2x ", *data_ptr);
- ++data_ptr;
+ const uint8_t *DataPtr = Value.data;
+ if (DataPtr) {
+ // UValue contains size of block
+ const uint8_t *EndDataPtr = DataPtr + UValue;
+ while (DataPtr < EndDataPtr) {
+ OS << format("%2.2x ", *DataPtr);
+ ++DataPtr;
}
- }
- else
+ } else
OS << "NULL";
}
break;
- case DW_FORM_sdata: OS << Value.sval; break;
- case DW_FORM_udata: OS << Value.uval; break;
+ case DW_FORM_sdata:
+ OS << Value.sval;
+ break;
+ case DW_FORM_udata:
+ OS << Value.uval;
+ break;
case DW_FORM_strp:
- OS << format(" .debug_str[0x%8.8x] = ", (uint32_t)uvalue);
+ OS << format(" .debug_str[0x%8.8x] = ", (uint32_t)UValue);
dumpString(OS);
break;
case DW_FORM_GNU_str_index:
- OS << format(" indexed (%8.8x) string = ", (uint32_t)uvalue);
+ OS << format(" indexed (%8.8x) string = ", (uint32_t)UValue);
dumpString(OS);
break;
case DW_FORM_GNU_strp_alt:
- OS << format("alt indirect string, offset: 0x%" PRIx64 "", uvalue);
+ OS << format("alt indirect string, offset: 0x%" PRIx64 "", UValue);
dumpString(OS);
break;
case DW_FORM_ref_addr:
- OS << format("0x%016" PRIx64, uvalue);
+ OS << format("0x%016" PRIx64, UValue);
break;
case DW_FORM_ref1:
- cu_relative_offset = true;
- OS << format("cu + 0x%2.2x", (uint8_t)uvalue);
+ CURelativeOffset = true;
+ OS << format("cu + 0x%2.2x", (uint8_t)UValue);
break;
case DW_FORM_ref2:
- cu_relative_offset = true;
- OS << format("cu + 0x%4.4x", (uint16_t)uvalue);
+ CURelativeOffset = true;
+ OS << format("cu + 0x%4.4x", (uint16_t)UValue);
break;
case DW_FORM_ref4:
- cu_relative_offset = true;
- OS << format("cu + 0x%4.4x", (uint32_t)uvalue);
+ CURelativeOffset = true;
+ OS << format("cu + 0x%4.4x", (uint32_t)UValue);
break;
case DW_FORM_ref8:
- cu_relative_offset = true;
- OS << format("cu + 0x%8.8" PRIx64, uvalue);
+ CURelativeOffset = true;
+ OS << format("cu + 0x%8.8" PRIx64, UValue);
break;
case DW_FORM_ref_udata:
- cu_relative_offset = true;
- OS << format("cu + 0x%" PRIx64, uvalue);
+ CURelativeOffset = true;
+ OS << format("cu + 0x%" PRIx64, UValue);
break;
case DW_FORM_GNU_ref_alt:
- OS << format("<alt 0x%" PRIx64 ">", uvalue);
+ OS << format("<alt 0x%" PRIx64 ">", UValue);
break;
- // All DW_FORM_indirect attributes should be resolved prior to calling
- // this function
+ // All DW_FORM_indirect attributes should be resolved prior to calling
+ // this function
case DW_FORM_indirect:
OS << "DW_FORM_indirect";
break;
- // Should be formatted to 64-bit for DWARF64.
+ // Should be formatted to 64-bit for DWARF64.
case DW_FORM_sec_offset:
- OS << format("0x%08x", (uint32_t)uvalue);
+ OS << format("0x%08x", (uint32_t)UValue);
break;
default:
@@ -573,10 +593,10 @@ DWARFFormValue::dump(raw_ostream &OS) const {
break;
}
- if (cu_relative_offset) {
+ if (CURelativeOffset) {
OS << " => {";
WithColor(OS, syntax::Address).get()
- << format("0x%8.8" PRIx64, uvalue + (U ? U->getOffset() : 0));
+ << format("0x%8.8" PRIx64, UValue + (U ? U->getOffset() : 0));
OS << "}";
}
}
@@ -653,15 +673,16 @@ Optional<uint64_t> DWARFFormValue::getAsSectionOffset() const {
}
Optional<uint64_t> DWARFFormValue::getAsUnsignedConstant() const {
- if ((!isFormClass(FC_Constant) && !isFormClass(FC_Flag))
- || Form == DW_FORM_sdata)
+ if ((!isFormClass(FC_Constant) && !isFormClass(FC_Flag)) ||
+ Form == DW_FORM_sdata)
return None;
return Value.uval;
}
Optional<int64_t> DWARFFormValue::getAsSignedConstant() const {
if ((!isFormClass(FC_Constant) && !isFormClass(FC_Flag)) ||
- (Form == DW_FORM_udata && uint64_t(std::numeric_limits<int64_t>::max()) < Value.uval))
+ (Form == DW_FORM_udata &&
+ uint64_t(std::numeric_limits<int64_t>::max()) < Value.uval))
return None;
switch (Form) {
case DW_FORM_data4:
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