The second part of support for generating dwarf for assembly source files. This

generates the dwarf Compile Unit DIE and a dwarf subprogram DIE for each
non-temporary label.

The next part will be to get the clang driver to enable this when assembling
a .s file.  rdar://9275556


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146262 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 28 insertions, 0 deletions

diff --git a/include/llvm/MC/MCContext.h b/include/llvm/MC/MCContext.h
index d45b0c8ca6..455b45ea23 100644
--- a/include/llvm/MC/MCContext.h
+++ b/include/llvm/MC/MCContext.h
@@ -108,6 +108,16 @@ namespace llvm {
     /// The default initial text section that we generate dwarf debugging line
     /// info for when generating dwarf assembly source files.
     const MCSection *GenDwarfSection;
+    /// Symbols created for the start and end of this section.
+    MCSymbol *GenDwarfSectionStartSym, *GenDwarfSectionEndSym;
+
+    /// The information gathered from labels that will have dwarf subprogram
+    /// entries when generating dwarf assembly source files.
+    std::vector<const MCGenDwarfSubprogramEntry *> MCGenDwarfSubprogramEntries;
+
+    /// The string to embed in the debug information for the compile unit, if
+    /// non-empty.
+    StringRef DwarfDebugFlags;
 
     /// Honor temporary labels, this is useful for debugging semantic
     /// differences between temporary and non-temporary labels (primarily on
@@ -269,6 +279,24 @@ namespace llvm {
     unsigned nextGenDwarfFileNumber() { return ++GenDwarfFileNumber; }
     const MCSection *getGenDwarfSection() { return GenDwarfSection; }
     void setGenDwarfSection(const MCSection *Sec) { GenDwarfSection = Sec; }
+    MCSymbol *getGenDwarfSectionStartSym() { return GenDwarfSectionStartSym; }
+    void setGenDwarfSectionStartSym(MCSymbol *Sym) {
+      GenDwarfSectionStartSym = Sym;
+    }
+    MCSymbol *getGenDwarfSectionEndSym() { return GenDwarfSectionEndSym; }
+    void setGenDwarfSectionEndSym(MCSymbol *Sym) {
+      GenDwarfSectionEndSym = Sym;
+    }
+    const std::vector<const MCGenDwarfSubprogramEntry *>
+      &getMCGenDwarfSubprogramEntries() const {
+      return MCGenDwarfSubprogramEntries;
+    }
+    void addMCGenDwarfSubprogramEntry(const MCGenDwarfSubprogramEntry *E) {
+      MCGenDwarfSubprogramEntries.push_back(E);
+    }
+
+    void setDwarfDebugFlags(StringRef S) { DwarfDebugFlags = S; }
+    StringRef getDwarfDebugFlags() { return DwarfDebugFlags; }
 
     /// @}