PR21189: Teach llvm-readobj to dump bits of COFF symbol subsections required to debug using VS2012+

Reviewed at http://reviews.llvm.org/D5755
Thanks to Andrey Guskov for his help investigating this!

llvm-svn: 220526

1 files changed, 76 insertions, 18 deletions

diff --git a/llvm/test/tools/llvm-readobj/codeview-linetables.test b/llvm/test/tools/llvm-readobj/codeview-linetables.test
index a1bfca02d89..7b9e743d849 100644
--- a/llvm/test/tools/llvm-readobj/codeview-linetables.test
+++ b/llvm/test/tools/llvm-readobj/codeview-linetables.test
@@ -40,6 +40,12 @@ MFUN32:        ]
 MFUN32-NEXT:   Subsection [
 MFUN32-NEXT:     Type: 0xF1
 MFUN32-NEXT:     PayloadSize: 0x4B
+MFUN32:          ProcStart {
+MFUN32-NEXT:       FunctionName: x
+MFUN32-NEXT:       Section: _x
+MFUN32-NEXT:       CodeSize: 0xA
+MFUN32-NEXT:     }
+MFUN32-NEXT:     ProcEnd
 MFUN32:        ]
 MFUN32-NEXT:   Subsection [
 MFUN32-NEXT:     Type: 0xF2
@@ -53,6 +59,12 @@ MFUN32:        ]
 MFUN32-NEXT:   Subsection [
 MFUN32-NEXT:     Type: 0xF1
 MFUN32-NEXT:     PayloadSize: 0x4B
+MFUN32:          ProcStart {
+MFUN32-NEXT:       FunctionName: y
+MFUN32-NEXT:       Section: _y
+MFUN32-NEXT:       CodeSize: 0xA
+MFUN32-NEXT:     }
+MFUN32-NEXT:     ProcEnd
 MFUN32:        ]
 MFUN32-NEXT:   Subsection [
 MFUN32-NEXT:     Type: 0xF2
@@ -66,6 +78,12 @@ MFUN32:        ]
 MFUN32-NEXT:   Subsection [
 MFUN32-NEXT:     Type: 0xF1
 MFUN32-NEXT:     PayloadSize: 0x4B
+MFUN32:          ProcStart {
+MFUN32-NEXT:       FunctionName: f
+MFUN32-NEXT:       Section: _f
+MFUN32-NEXT:       CodeSize: 0x14
+MFUN32-NEXT:     }
+MFUN32-NEXT:     ProcEnd
 MFUN32:        ]
 MFUN32-NEXT:   Subsection [
 MFUN32-NEXT:     Type: 0xF2
@@ -127,6 +145,12 @@ MFUN64:        ]
 MFUN64-NEXT:   Subsection [
 MFUN64-NEXT:     Type: 0xF1
 MFUN64-NEXT:     PayloadSize: 0x4B
+MFUN64:          ProcStart {
+MFUN64-NEXT:       FunctionName: x
+MFUN64-NEXT:       Section: x
+MFUN64-NEXT:       CodeSize: 0xE
+MFUN64-NEXT:     }
+MFUN64-NEXT:     ProcEnd
 MFUN64:        ]
 MFUN64-NEXT:   Subsection [
 MFUN64-NEXT:     Type: 0xF2
@@ -136,6 +160,12 @@ MFUN64-NEXT:   ]
 MFUN64-NEXT:   Subsection [
 MFUN64-NEXT:     Type: 0xF1
 MFUN64-NEXT:     PayloadSize: 0x4B
+MFUN64:          ProcStart {
+MFUN64-NEXT:       FunctionName: y
+MFUN64-NEXT:       Section: y
+MFUN64-NEXT:       CodeSize: 0xE
+MFUN64-NEXT:     }
+MFUN64-NEXT:     ProcEnd
 MFUN64:        ]
 MFUN64-NEXT:   Subsection [
 MFUN64-NEXT:     Type: 0xF2
@@ -145,6 +175,12 @@ MFUN64-NEXT:   ]
 MFUN64-NEXT:   Subsection [
 MFUN64-NEXT:     Type: 0xF1
 MFUN64-NEXT:     PayloadSize: 0x4B
+MFUN64:          ProcStart {
+MFUN64-NEXT:       FunctionName: f
+MFUN64-NEXT:       Section: f
+MFUN64-NEXT:       CodeSize: 0x18
+MFUN64-NEXT:     }
+MFUN64-NEXT:     ProcEnd
 MFUN64:        ]
 MFUN64-NEXT:   Subsection [
 MFUN64-NEXT:     Type: 0xF2
@@ -234,6 +270,12 @@ MFILE32:        ]
 MFILE32-NEXT:   Subsection [
 MFILE32-NEXT:     Type: 0xF1
 MFILE32-NEXT:     PayloadSize: 0x4B
+MFILE32:          ProcStart {
+MFILE32-NEXT:       FunctionName: f
+MFILE32-NEXT:       Section: _f
+MFILE32-NEXT:       CodeSize: 0x14
+MFILE32-NEXT:     }
+MFILE32-NEXT:     ProcEnd
 MFILE32:        ]
 MFILE32-NEXT:   Subsection [
 MFILE32-NEXT:     Type: 0xF2
@@ -284,6 +326,12 @@ MFILE64:        ]
 MFILE64-NEXT:   Subsection [
 MFILE64-NEXT:     Type: 0xF1
 MFILE64-NEXT:     PayloadSize: 0x4B
+MFILE64:          ProcStart {
+MFILE64-NEXT:       FunctionName: f
+MFILE64-NEXT:       Section: f
+MFILE64-NEXT:       CodeSize: 0x18
+MFILE64-NEXT:     }
+MFILE64-NEXT:     ProcEnd
 MFILE64:        ]
 MFILE64-NEXT:   Subsection [
 MFILE64-NEXT:     Type: 0xF2
@@ -344,23 +392,33 @@ RUN:   | FileCheck %s -check-prefix MCOMDAT
 RUN: llvm-readobj -s -codeview-linetables %p/Inputs/comdat-function-linetables.obj.coff-2013-i386 \
 RUN:   | FileCheck %s -check-prefix MCOMDAT
 
+MCOMDAT:      ProcStart {
+MCOMDAT-NEXT:   FunctionName: f
+MCOMDAT-NEXT:   Section: ?f@@YAHXZ
+MCOMDAT-NEXT:   CodeSize: 0x7
+MCOMDAT-NEXT: }
 MCOMDAT:      FunctionLineTable [
-MCOMDAT-NEXT:        FunctionName: ?f@@YAHXZ
-MCOMDAT-NEXT:        CodeSize: 0x7
-MCOMDAT-NEXT:        FilenameSegment [
-MCOMDAT-NEXT:          Filename: c:\src\test.cc
-MCOMDAT-NEXT:          +0x0: 2
-MCOMDAT-NEXT:          +0x3: 3
-MCOMDAT-NEXT:          +0x5: 4
-MCOMDAT-NEXT:        ]
-MCOMDAT-NEXT:      ]
+MCOMDAT-NEXT:   FunctionName: ?f@@YAHXZ
+MCOMDAT-NEXT:   CodeSize: 0x7
+MCOMDAT-NEXT:   FilenameSegment [
+MCOMDAT-NEXT:     Filename: c:\src\test.cc
+MCOMDAT-NEXT:     +0x0: 2
+MCOMDAT-NEXT:     +0x3: 3
+MCOMDAT-NEXT:     +0x5: 4
+MCOMDAT-NEXT:   ]
+MCOMDAT-NEXT: ]
+MCOMDAT:      ProcStart {
+MCOMDAT-NEXT:   FunctionName: g
+MCOMDAT-NEXT:   Section: ?g@@YAHXZ
+MCOMDAT-NEXT:   CodeSize: 0x7
+MCOMDAT-NEXT: }
 MCOMDAT:      FunctionLineTable [
-MCOMDAT-NEXT:        FunctionName: ?g@@YAHXZ
-MCOMDAT-NEXT:        CodeSize: 0x7
-MCOMDAT-NEXT:        FilenameSegment [
-MCOMDAT-NEXT:          Filename: c:\src\test.cc
-MCOMDAT-NEXT:          +0x0: 7
-MCOMDAT-NEXT:          +0x3: 8
-MCOMDAT-NEXT:          +0x5: 9
-MCOMDAT-NEXT:        ]
-MCOMDAT-NEXT:      ]
+MCOMDAT-NEXT:   FunctionName: ?g@@YAHXZ
+MCOMDAT-NEXT:   CodeSize: 0x7
+MCOMDAT-NEXT:   FilenameSegment [
+MCOMDAT-NEXT:     Filename: c:\src\test.cc
+MCOMDAT-NEXT:     +0x0: 7
+MCOMDAT-NEXT:     +0x3: 8
+MCOMDAT-NEXT:     +0x5: 9
+MCOMDAT-NEXT:   ]
+MCOMDAT-NEXT: ]