[dwarfdump] Make .eh_frame an alias for .debug_frame

This patch makes the `.eh_frame` extension an alias for `.debug_frame`.
Up till now it was only possible to dump the section using objdump, but
not with dwarfdump. Since the two are essentially interchangeable, we
dump whichever of the two is present.

As a workaround, this patch also adds parsing for 3 currently
unimplemented CFA instructions: `DW_CFA_def_cfa_expression`,
`DW_CFA_expression`, and `DW_CFA_val_expression`. Because I lack the
required knowledge, I just parse the fields without actually creating
the instructions.

Finally, this also fixes the typo in the `.debug_frame` section name
which incorrectly contained a trailing `s`.

Differential revision: https://reviews.llvm.org/D37852

llvm-svn: 313530

1 files changed, 3 insertions, 3 deletions

diff --git a/llvm/unittests/DebugInfo/DWARF/DWARFDebugInfoTest.cpp b/llvm/unittests/DebugInfo/DWARF/DWARFDebugInfoTest.cpp
index 57a61f73d83..4786cc25420 100644
--- a/llvm/unittests/DebugInfo/DWARF/DWARFDebugInfoTest.cpp
+++ b/llvm/unittests/DebugInfo/DWARF/DWARFDebugInfoTest.cpp
@@ -1662,21 +1662,21 @@ TEST(DWARFDebugInfo, TestImplicitConstAbbrevs) {
 void VerifyWarning(DWARFContext &DwarfContext, StringRef Error) {
   SmallString<1024> Str;
   raw_svector_ostream Strm(Str);
-  EXPECT_TRUE(DwarfContext.verify(Strm, DIDT_All));
+  EXPECT_TRUE(DwarfContext.verify(Strm));
   EXPECT_TRUE(Str.str().contains(Error));
 }
 
 void VerifyError(DWARFContext &DwarfContext, StringRef Error) {
   SmallString<1024> Str;
   raw_svector_ostream Strm(Str);
-  EXPECT_FALSE(DwarfContext.verify(Strm, DIDT_All));
+  EXPECT_FALSE(DwarfContext.verify(Strm));
   EXPECT_TRUE(Str.str().contains(Error));
 }
 
 void VerifySuccess(DWARFContext &DwarfContext) {
   SmallString<1024> Str;
   raw_svector_ostream Strm(Str);
-  EXPECT_TRUE(DwarfContext.verify(Strm, DIDT_All));
+  EXPECT_TRUE(DwarfContext.verify(Strm));
 }
 
 TEST(DWARFDebugInfo, TestDwarfVerifyInvalidCURef) {