[PATCH] D92151: [MC] Set the unique id of .stack_sizes to the associated .text section's

Fangrui Song via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Nov 26 09:13:29 PST 2020


This revision was automatically updated to reflect the committed changes.
Closed by commit rG668da8c361fe: [MC] Set the unique id of .stack_sizes to the associated .text section's (authored by MaskRay).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D92151/new/

https://reviews.llvm.org/D92151

Files:
  llvm/lib/MC/MCObjectFileInfo.cpp
  llvm/test/CodeGen/X86/stack-size-section-function-sections.ll


Index: llvm/test/CodeGen/X86/stack-size-section-function-sections.ll
===================================================================
--- llvm/test/CodeGen/X86/stack-size-section-function-sections.ll
+++ llvm/test/CodeGen/X86/stack-size-section-function-sections.ll
@@ -1,14 +1,23 @@
-; RUN: llc < %s -mtriple=x86_64-linux -stack-size-section -function-sections | FileCheck %s
+; RUN: llc < %s -mtriple=x86_64-linux -stack-size-section -function-sections | \
+; RUN:   FileCheck %s --check-prefix=UNIQ
+; RUN: llc < %s -mtriple=x86_64-linux -stack-size-section -function-sections -unique-section-names=0 | \
+; RUN:   FileCheck %s --check-prefix=NOUNIQ
 
 ; Check we add SHF_LINK_ORDER for .stack_sizes and link it with the corresponding .text sections.
-; CHECK: .section        .text._Z3barv,"ax", at progbits
-; CHECK: .section        .stack_sizes,"o", at progbits,.text._Z3barv{{$}}
-; CHECK: .section        .text._Z3foov,"ax", at progbits
-; CHECK: .section        .stack_sizes,"o", at progbits,.text._Z3foov{{$}}
+; UNIQ:   .section        .text._Z3barv,"ax", at progbits{{$}}
+; UNIQ:   .section        .stack_sizes,"o", at progbits,.text._Z3barv{{$}}
+; UNIQ:   .section        .text._Z3foov,"ax", at progbits{{$}}
+; UNIQ:   .section        .stack_sizes,"o", at progbits,.text._Z3foov{{$}}
+; NOUNIQ: .section        .text,"ax", at progbits,unique,1
+; NOUNIQ: .section        .stack_sizes,"o", at progbits,.text,unique,1
+; NOUNIQ: .section        .text,"ax", at progbits,unique,2
+; NOUNIQ: .section        .stack_sizes,"o", at progbits,.text,unique,2
 
 ; Check we add .stack_size section to a COMDAT group with the corresponding .text section if such a COMDAT exists.
-; CHECK: .section        .text._Z4fooTIiET_v,"axG", at progbits,_Z4fooTIiET_v,comdat
-; CHECK: .section        .stack_sizes,"Go", at progbits,_Z4fooTIiET_v,comdat,.text._Z4fooTIiET_v{{$}}
+; UNIQ:   .section        .text._Z4fooTIiET_v,"axG", at progbits,_Z4fooTIiET_v,comdat{{$}}
+; UNIQ:   .section        .stack_sizes,"Go", at progbits,_Z4fooTIiET_v,comdat,.text._Z4fooTIiET_v{{$}}
+; NOUNIQ: .section        .text,"axG", at progbits,_Z4fooTIiET_v,comdat,unique,3
+; NOUNIQ: .section        .stack_sizes,"Go", at progbits,_Z4fooTIiET_v,comdat,.text,unique,3
 
 $_Z4fooTIiET_v = comdat any
 
Index: llvm/lib/MC/MCObjectFileInfo.cpp
===================================================================
--- llvm/lib/MC/MCObjectFileInfo.cpp
+++ llvm/lib/MC/MCObjectFileInfo.cpp
@@ -997,7 +997,7 @@
   }
 
   return Ctx->getELFSection(".stack_sizes", ELF::SHT_PROGBITS, Flags, 0,
-                            GroupName, MCSection::NonUniqueID,
+                            GroupName, ElfSec.getUniqueID(),
                             cast<MCSymbolELF>(TextSec.getBeginSymbol()));
 }
 


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D92151.307896.patch
Type: text/x-patch
Size: 2714 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20201126/fee4436c/attachment.bin>


More information about the llvm-commits mailing list