[PATCH] D87784: [obj2yaml] - Match ".stack_size" with the original section name, and not the uniquified name.

[Rahman Lavaee via Phabricator via llvm-commits]

rahmanl created this revision.
rahmanl added a reviewer: MaskRay.
Herald added subscribers: llvm-commits, emaste.
Herald added a reviewer: espindola.
Herald added a project: LLVM.
rahmanl requested review of this revision.

Without this patch, obj2yaml decodes the content of only one ".stack_size" section. Other sections are dumped with their full contents.
Previously reviewed in D87727 <https://reviews.llvm.org/D87727>.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D87784

Files:
  llvm/test/tools/obj2yaml/ELF/stack-sizes.yaml
  llvm/tools/obj2yaml/elf2yaml.cpp


Index: llvm/tools/obj2yaml/elf2yaml.cpp
===================================================================
--- llvm/tools/obj2yaml/elf2yaml.cpp
+++ llvm/tools/obj2yaml/elf2yaml.cpp
@@ -522,7 +522,7 @@
 
     // Recognize some special SHT_PROGBITS sections by name.
     if (Sec.sh_type == ELF::SHT_PROGBITS) {
-      auto NameOrErr = getUniquedSectionName(&Sec);
+      auto NameOrErr = Obj.getSectionName(Sec);
       if (!NameOrErr)
         return NameOrErr.takeError();
 
Index: llvm/test/tools/obj2yaml/ELF/stack-sizes.yaml
===================================================================
--- llvm/test/tools/obj2yaml/ELF/stack-sizes.yaml
+++ llvm/test/tools/obj2yaml/ELF/stack-sizes.yaml
@@ -83,3 +83,51 @@
   - Name:    .stack_sizes
     Type:    SHT_PROGBITS
     Content: ""
+
+## Check obj2yaml can dump multiple .stack_sizes.
+
+# RUN: yaml2obj --docnum=4 %s -o %t4
+# RUN: obj2yaml %t4 | FileCheck %s --check-prefix=MULTI
+
+# MULTI:      --- !ELF
+# MULTI-NEXT: FileHeader:
+# MULTI-NEXT:   Class:   ELFCLASS64
+# MULTI-NEXT:   Data:    ELFDATA2LSB
+# MULTI-NEXT:   Type:    ET_EXEC
+# MULTI-NEXT:   Machine: EM_NONE
+# MULTI-NEXT: Sections:
+# MULTI-NEXT:   - Name:    .stack_sizes
+# MULTI-NEXT:     Type:    SHT_PROGBITS
+# MULTI-NEXT:     Entries:
+# MULTI-NEXT:       - Address: 0x0000000000000010
+# MULTI-NEXT:         Size:    0x0000000000000020
+# MULTI-NEXT:       - Address: 0x0000000000000030
+# MULTI-NEXT:         Size:    0x0000000000000040
+# MULTI-NEXT:   - Name:    '.stack_sizes (1)'
+# MULTI-NEXT:     Type:    SHT_PROGBITS
+# MULTI-NEXT:     Entries:
+# MULTI-NEXT:       - Address: 0x0000000000000050
+# MULTI-NEXT:         Size:    0x0000000000000001
+# MULTI-NEXT:       - Address: 0x0000000000000060
+# MULTI-NEXT:         Size:    0x0000000000000002
+
+--- !ELF
+FileHeader:
+  Class: ELFCLASS64
+  Data:  ELFDATA2LSB
+  Type:  ET_EXEC
+Sections:
+  - Name:    .stack_sizes
+    Type:    SHT_PROGBITS
+    Entries:
+      - Address: 0x0000000000000010
+        Size:    0x0000000000000020
+      - Address: 0x0000000000000030
+        Size:    0x0000000000000040
+  - Name:    '.stack_sizes (1)'
+    Type:    SHT_PROGBITS
+    Entries:
+      - Address: 0x0000000000000050
+        Size:    0x0000000000000001
+      - Address: 0x0000000000000060
+        Size:    0x0000000000000002


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D87784.292301.patch
Type: text/x-patch
Size: 2328 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20200916/185f8696/attachment.bin>