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If multiple compile units are seen then emit them independently. In other words, do not force all DIEs into first, whatever it is, compile unit.

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Note, multiple compile unit support is not well tested (it did not work correctly until now anyway.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62116 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2009-01-12 23:05:55 +00:00
parent f6bac3e4bd
commit 72b663575f
1 changed files with 73 additions and 64 deletions
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137
lib/CodeGen/AsmPrinter/DwarfWriter.cpp
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@ -2952,13 +2952,16 @@ private:
/// ///
void SizeAndOffsets() { void SizeAndOffsets() {
// Process base compile unit. // Process base compile unit.
CompileUnit *Unit = GetBaseCompileUnit(); for (DenseMap<Value *, CompileUnit *>::iterator CI = DW_CUs.begin(),
// Compute size of compile unit header CE = DW_CUs.end(); CI != CE; ++CI) {
unsigned Offset = sizeof(int32_t) + // Length of Compilation Unit Info CompileUnit *Unit = CI->second;
sizeof(int16_t) + // DWARF version number // Compute size of compile unit header
sizeof(int32_t) + // Offset Into Abbrev. Section unsigned Offset = sizeof(int32_t) + // Length of Compilation Unit Info
sizeof(int8_t); // Pointer Size (in bytes) sizeof(int16_t) + // DWARF version number
SizeAndOffsetDie(Unit->getDie(), Offset, true); sizeof(int32_t) + // Offset Into Abbrev. Section
sizeof(int8_t); // Pointer Size (in bytes)
SizeAndOffsetDie(Unit->getDie(), Offset, true);
}
} }
/// EmitDebugInfo - Emit the debug info section. /// EmitDebugInfo - Emit the debug info section.
@ -2967,32 +2970,35 @@ private:
// Start debug info section. // Start debug info section.
Asm->SwitchToDataSection(TAI->getDwarfInfoSection()); Asm->SwitchToDataSection(TAI->getDwarfInfoSection());
CompileUnit *Unit = GetBaseCompileUnit(); for (DenseMap<Value *, CompileUnit *>::iterator CI = DW_CUs.begin(),
DIE *Die = Unit->getDie(); CE = DW_CUs.end(); CI != CE; ++CI) {
// Emit the compile units header. CompileUnit *Unit = CI->second;
EmitLabel("info_begin", Unit->getID()); DIE *Die = Unit->getDie();
// Emit size of content not including length itself // Emit the compile units header.
unsigned ContentSize = Die->getSize() + EmitLabel("info_begin", Unit->getID());
sizeof(int16_t) + // DWARF version number // Emit size of content not including length itself
sizeof(int32_t) + // Offset Into Abbrev. Section unsigned ContentSize = Die->getSize() +
sizeof(int8_t) + // Pointer Size (in bytes) sizeof(int16_t) + // DWARF version number
sizeof(int32_t); // FIXME - extra pad for gdb bug. sizeof(int32_t) + // Offset Into Abbrev. Section
sizeof(int8_t) + // Pointer Size (in bytes)
Asm->EmitInt32(ContentSize); Asm->EOL("Length of Compilation Unit Info"); sizeof(int32_t); // FIXME - extra pad for gdb bug.
Asm->EmitInt16(DWARF_VERSION); Asm->EOL("DWARF version number");
EmitSectionOffset("abbrev_begin", "section_abbrev", 0, 0, true, false); Asm->EmitInt32(ContentSize); Asm->EOL("Length of Compilation Unit Info");
Asm->EOL("Offset Into Abbrev. Section"); Asm->EmitInt16(DWARF_VERSION); Asm->EOL("DWARF version number");
Asm->EmitInt8(TD->getPointerSize()); Asm->EOL("Address Size (in bytes)"); EmitSectionOffset("abbrev_begin", "section_abbrev", 0, 0, true, false);
Asm->EOL("Offset Into Abbrev. Section");
EmitDIE(Die); Asm->EmitInt8(TD->getPointerSize()); Asm->EOL("Address Size (in bytes)");
// FIXME - extra padding for gdb bug.
Asm->EmitInt8(0); Asm->EOL("Extra Pad For GDB"); EmitDIE(Die);
Asm->EmitInt8(0); Asm->EOL("Extra Pad For GDB"); // FIXME - extra padding for gdb bug.
Asm->EmitInt8(0); Asm->EOL("Extra Pad For GDB"); Asm->EmitInt8(0); Asm->EOL("Extra Pad For GDB");
Asm->EmitInt8(0); Asm->EOL("Extra Pad For GDB"); Asm->EmitInt8(0); Asm->EOL("Extra Pad For GDB");
EmitLabel("info_end", Unit->getID()); Asm->EmitInt8(0); Asm->EOL("Extra Pad For GDB");
Asm->EmitInt8(0); Asm->EOL("Extra Pad For GDB");
Asm->EOL(); EmitLabel("info_end", Unit->getID());
Asm->EOL();
}
} }
/// EmitAbbreviations - Emit the abbreviation section. /// EmitAbbreviations - Emit the abbreviation section.
@ -3290,39 +3296,42 @@ private:
// Start the dwarf pubnames section. // Start the dwarf pubnames section.
Asm->SwitchToDataSection(TAI->getDwarfPubNamesSection()); Asm->SwitchToDataSection(TAI->getDwarfPubNamesSection());
CompileUnit *Unit = GetBaseCompileUnit(); for (DenseMap<Value *, CompileUnit *>::iterator CI = DW_CUs.begin(),
CE = DW_CUs.end(); CI != CE; ++CI) {
CompileUnit *Unit = CI->second;
EmitDifference("pubnames_end", Unit->getID(), EmitDifference("pubnames_end", Unit->getID(),
"pubnames_begin", Unit->getID(), true); "pubnames_begin", Unit->getID(), true);
Asm->EOL("Length of Public Names Info"); Asm->EOL("Length of Public Names Info");
EmitLabel("pubnames_begin", Unit->getID()); EmitLabel("pubnames_begin", Unit->getID());
Asm->EmitInt16(DWARF_VERSION); Asm->EOL("DWARF Version"); Asm->EmitInt16(DWARF_VERSION); Asm->EOL("DWARF Version");
EmitSectionOffset("info_begin", "section_info", EmitSectionOffset("info_begin", "section_info",
Unit->getID(), 0, true, false); Unit->getID(), 0, true, false);
Asm->EOL("Offset of Compilation Unit Info"); Asm->EOL("Offset of Compilation Unit Info");
EmitDifference("info_end", Unit->getID(), "info_begin", Unit->getID(),true); EmitDifference("info_end", Unit->getID(), "info_begin", Unit->getID(),true);
Asm->EOL("Compilation Unit Length"); Asm->EOL("Compilation Unit Length");
std::map<std::string, DIE *> &Globals = Unit->getGlobals(); std::map<std::string, DIE *> &Globals = Unit->getGlobals();
for (std::map<std::string, DIE *>::iterator GI = Globals.begin(), for (std::map<std::string, DIE *>::iterator GI = Globals.begin(),
GE = Globals.end(); GE = Globals.end();
GI != GE; ++GI) { GI != GE; ++GI) {
const std::string &Name = GI->first; const std::string &Name = GI->first;
DIE * Entity = GI->second; DIE * Entity = GI->second;
Asm->EmitInt32(Entity->getOffset()); Asm->EOL("DIE offset"); Asm->EmitInt32(Entity->getOffset()); Asm->EOL("DIE offset");
Asm->EmitString(Name); Asm->EOL("External Name"); Asm->EmitString(Name); Asm->EOL("External Name");
}
Asm->EmitInt32(0); Asm->EOL("End Mark");
EmitLabel("pubnames_end", Unit->getID());
Asm->EOL();
} }
Asm->EmitInt32(0); Asm->EOL("End Mark");
EmitLabel("pubnames_end", Unit->getID());
Asm->EOL();
} }
/// EmitDebugStr - Emit visible names into a debug str section. /// EmitDebugStr - Emit visible names into a debug str section.