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Remove intermediate accelerator table for names.

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(similar changes coming for the other accelerator tables)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207049 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie
2014-04-23 23:37:35 +00:00
parent 306d5ba092
commit c8bd54be97
4 changed files with 27 additions and 23 deletions
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24
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -15,7 +15,6 @@
#include "DwarfDebug.h"
#include "DIE.h"
#include "DIEHash.h"
#include "DwarfAccelTable.h"
#include "DwarfUnit.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/Statistic.h"
@ -169,7 +168,9 @@ DwarfDebug::DwarfDebug(AsmPrinter *A, Module *M)
: Asm(A), MMI(Asm->MMI), FirstCU(0), PrevLabel(NULL), GlobalRangeCount(0),
InfoHolder(A, "info_string", DIEValueAllocator),
UsedNonDefaultText(false),
SkeletonHolder(A, "skel_string", DIEValueAllocator) {
SkeletonHolder(A, "skel_string", DIEValueAllocator),
AccelNames(DwarfAccelTable::Atom(dwarf::DW_ATOM_die_offset,
dwarf::DW_FORM_data4)) {
DwarfInfoSectionSym = DwarfAbbrevSectionSym = DwarfStrSectionSym = 0;
DwarfDebugRangeSectionSym = DwarfDebugLocSectionSym = DwarfLineSectionSym = 0;
@ -260,15 +261,15 @@ static bool SectionSort(const MCSection *A, const MCSection *B) {
// TODO: Determine whether or not we should add names for programs
// that do not have a DW_AT_name or DW_AT_linkage_name field - this
// is only slightly different than the lookup of non-standard ObjC names.
static void addSubprogramNames(DwarfUnit &TheU, DISubprogram SP, DIE *Die) {
void DwarfDebug::addSubprogramNames(DwarfUnit &TheU, DISubprogram SP, DIE *Die) {
if (!SP.isDefinition())
return;
TheU.addAccelName(SP.getName(), Die);
addAccelName(SP.getName(), Die);
// If the linkage name is different than the name, go ahead and output
// that as well into the name table.
if (SP.getLinkageName() != "" && SP.getName() != SP.getLinkageName())
TheU.addAccelName(SP.getLinkageName(), Die);
addAccelName(SP.getLinkageName(), Die);
// If this is an Objective-C selector name add it to the ObjC accelerator
// too.
@ -279,7 +280,7 @@ static void addSubprogramNames(DwarfUnit &TheU, DISubprogram SP, DIE *Die) {
if (Category != "")
TheU.addAccelObjC(Category, Die);
// Also add the base method name to the name table.
TheU.addAccelName(getObjCMethodName(SP.getName()), Die);
addAccelName(getObjCMethodName(SP.getName()), Die);
}
}
@ -2566,3 +2567,14 @@ void DwarfDebug::attachLowHighPC(DwarfCompileUnit &Unit, DIE *D,
else
Unit.addLabelDelta(D, dwarf::DW_AT_high_pc, End, Begin);
}
// Accelerator table mutators - add each name along with its companion
// DIE to the proper table while ensuring that the name that we're going
// to reference is in the string table. We do this since the names we
// add may not only be identical to the names in the DIE.
void DwarfDebug::addAccelName(StringRef Name, const DIE *Die) {
if (!useDwarfAccelTables())
return;
InfoHolder.getStringPoolEntry(Name);
AccelNames.AddName(Name, Die);
}