RPCS3/llvm
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm.git synced 2025-01-27 05:32:22 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Debug Info: according to DWARF 2, FORM_ref_addr the same size as an address on

Browse Source 
the target system.

It was hard-coded to 4 bytes before. I can't get llvm to generate a
ref_addr on a reasonably sized testing case.

rdar://problem/13559431


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178722 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Manman Ren 2013-04-04 00:22:54 +00:00
parent 296ffab562
commit e3d75ee2a1
3 changed files with 15 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
lib/CodeGen/AsmPrinter/DIE.cpp
View File

@ -310,6 +310,12 @@ void DIEEntry::EmitValue(AsmPrinter *AP, unsigned Form) const {
AP->EmitInt32(Entry->getOffset()); AP->EmitInt32(Entry->getOffset());
} }
unsigned DIEEntry::SizeOf(AsmPrinter *AP, unsigned Form) const {
if (Form == dwarf::DW_FORM_ref_addr)
return AP->getDataLayout().getPointerSize();
return sizeof(int32_t);
}
#ifndef NDEBUG #ifndef NDEBUG
void DIEEntry::print(raw_ostream &O) { void DIEEntry::print(raw_ostream &O) {
O << format("Die: 0x%lx", (long)(intptr_t)Entry); O << format("Die: 0x%lx", (long)(intptr_t)Entry);

4
lib/CodeGen/AsmPrinter/DIE.h
View File

@ -336,9 +336,7 @@ namespace llvm {
/// SizeOf - Determine size of debug information entry in bytes. /// SizeOf - Determine size of debug information entry in bytes.
/// ///
virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const { virtual unsigned SizeOf(AsmPrinter *AP, unsigned Form) const;
return sizeof(int32_t);
}
// Implement isa/cast/dyncast. // Implement isa/cast/dyncast.
static bool classof(const DIEValue *E) { return E->getType() == isEntry; } static bool classof(const DIEValue *E) { return E->getType() == isEntry; }

9
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
View File

@ -1791,7 +1791,14 @@ void DwarfDebug::emitDIE(DIE *Die, std::vector<DIEAbbrev *> *Abbrevs) {
DwarfUnits &Holder = useSplitDwarf() ? SkeletonHolder : InfoHolder; DwarfUnits &Holder = useSplitDwarf() ? SkeletonHolder : InfoHolder;
Addr += Holder.getCUOffset(Origin->getCompileUnit()); Addr += Holder.getCUOffset(Origin->getCompileUnit());
} }
Asm->EmitInt32(Addr); // DWARF4: References that use the attribute form DW_FORM_ref_addr are
// specified to be four bytes in the DWARF 32-bit format and eight bytes
// in the DWARF 64-bit format, while DWARF Version 2 specifies that such
// references have the same size as an address on the target system.
// Our current version is version 2.
Asm->OutStreamer.EmitIntValue(Addr,
Form == dwarf::DW_FORM_ref_addr ?
Asm->getDataLayout().getPointerSize() : 4);
break; break;
} }
case dwarf::DW_AT_ranges: { case dwarf::DW_AT_ranges: {