[ARM] Create mapping symbols with non-unique names #99906

MaskRay · 2024-07-22T17:28:29Z

Similar to #99836 for AArch64.

Non-unique names save .strtab space and match GNU assembler.

Created using spr 1.3.5-bogner

llvmbot · 2024-07-22T17:29:05Z

@llvm/pr-subscribers-backend-arm
@llvm/pr-subscribers-llvm-binary-utilities
@llvm/pr-subscribers-lld-elf
@llvm/pr-subscribers-lld

@llvm/pr-subscribers-debuginfo

Author: Fangrui Song (MaskRay)

Changes

Similar to #99836 for AArch64.

Non-unique names save .strtab space and match GNU assembler.

Full diff: https://github.com/llvm/llvm-project/pull/99906.diff

12 Files Affected:

(modified) lld/test/ELF/arm-cmse-implib.s (+4-4)
(modified) llvm/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp (+2-4)
(modified) llvm/test/DebugInfo/Symbolize/ELF/arm-mapping-symbol.s (+6-6)
(modified) llvm/test/MC/ARM/CheckDataSymbol.s (+1-1)
(modified) llvm/test/MC/ARM/data-in-code.ll (+1-1)
(modified) llvm/test/MC/ARM/directive-arm-thumb-alignment.s (+4-4)
(modified) llvm/test/MC/ARM/multi-section-mapping.s (+6-6)
(modified) llvm/test/MC/ARM/thumb-function-address.s (+2-2)
(modified) llvm/test/MC/ARM/thumb-types.s (+8-8)
(modified) llvm/test/MC/ARM/thumb_set.s (+2-2)
(modified) llvm/test/MC/ELF/ARM/execute-only-section.s (+3-3)
(modified) llvm/test/tools/llvm-objdump/multiple-symbols.s (+2-2)

diff --git a/lld/test/ELF/arm-cmse-implib.s b/lld/test/ELF/arm-cmse-implib.s
index 581bff9dd8536..60a68b0226c3d 100644
--- a/lld/test/ELF/arm-cmse-implib.s
+++ b/lld/test/ELF/arm-cmse-implib.s
@@ -53,8 +53,8 @@ secure_entry:
 // CHECK1-NEXT:    Num:    Value  Size Type    Bind   Vis       Ndx Name
 // CHECK1-NEXT:      0: 00000000     0 NOTYPE  LOCAL  DEFAULT   UND
 // CHECK1-NEXT:      1: 00020000     0 NOTYPE  LOCAL  DEFAULT     2 $t
-// CHECK1-NEXT:      2: 00008000     0 NOTYPE  LOCAL  DEFAULT     1 $t.0
-// CHECK1-NEXT:      3: 00008004     0 NOTYPE  LOCAL  DEFAULT     1 $t.0
+// CHECK1-NEXT:      2: 00008000     0 NOTYPE  LOCAL  DEFAULT     1 $t
+// CHECK1-NEXT:      3: 00008004     0 NOTYPE  LOCAL  DEFAULT     1 $t
 // CHECK1-NEXT:      4: 00008001     2 FUNC    GLOBAL DEFAULT     1 secure_entry
 // CHECK1-NEXT:      5: 00020001     8 FUNC    GLOBAL DEFAULT     2 foo
 // CHECK1-NEXT:      6: 00008005     2 FUNC    GLOBAL DEFAULT     1 __acle_se_foo
@@ -82,8 +82,8 @@ secure_entry:
 // CHECK2-NEXT:    Num:    Value  Size Type    Bind   Vis       Ndx Name
 // CHECK2-NEXT:      0: 00000000     0 NOTYPE  LOCAL  DEFAULT   UND
 // CHECK2-NEXT:      1: 00020000     0 NOTYPE  LOCAL  DEFAULT     2 $t
-// CHECK2-NEXT:      2: 00008000     0 NOTYPE  LOCAL  DEFAULT     1 $t.0
-// CHECK2-NEXT:      3: 00008004     0 NOTYPE  LOCAL  DEFAULT     1 $t.0
+// CHECK2-NEXT:      2: 00008000     0 NOTYPE  LOCAL  DEFAULT     1 $t
+// CHECK2-NEXT:      3: 00008004     0 NOTYPE  LOCAL  DEFAULT     1 $t
 // CHECK2-NEXT:      4: 00008001     2 FUNC    GLOBAL DEFAULT     1 secure_entry
 // CHECK2-NEXT:      5: 00020011     8 FUNC    WEAK   DEFAULT     2 baz
 // CHECK2-NEXT:      6: 00008005     2 FUNC    GLOBAL DEFAULT     1 __acle_se_baz
diff --git a/llvm/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp b/llvm/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp
index 649e6dc039830..5009215ae5e72 100644
--- a/llvm/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp
+++ b/llvm/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp
@@ -670,8 +670,7 @@ class ARMELFStreamer : public MCELFStreamer {
   }
 
   void EmitMappingSymbol(StringRef Name) {
-    auto *Symbol = cast<MCSymbolELF>(getContext().getOrCreateSymbol(
-        Name + "." + Twine(MappingSymbolCounter++)));
+    auto *Symbol = cast<MCSymbolELF>(getContext().createLocalSymbol(Name));
     emitLabel(Symbol);
 
     Symbol->setType(ELF::STT_NOTYPE);
@@ -679,8 +678,7 @@ class ARMELFStreamer : public MCELFStreamer {
   }
 
   void emitMappingSymbol(StringRef Name, MCDataFragment &F, uint64_t Offset) {
-    auto *Symbol = cast<MCSymbolELF>(getContext().getOrCreateSymbol(
-        Name + "." + Twine(MappingSymbolCounter++)));
+    auto *Symbol = cast<MCSymbolELF>(getContext().createLocalSymbol(Name));
     emitLabelAtPos(Symbol, SMLoc(), F, Offset);
     Symbol->setType(ELF::STT_NOTYPE);
     Symbol->setBinding(ELF::STB_LOCAL);
diff --git a/llvm/test/DebugInfo/Symbolize/ELF/arm-mapping-symbol.s b/llvm/test/DebugInfo/Symbolize/ELF/arm-mapping-symbol.s
index 6e17ef29ae577..c810bc54ca62b 100644
--- a/llvm/test/DebugInfo/Symbolize/ELF/arm-mapping-symbol.s
+++ b/llvm/test/DebugInfo/Symbolize/ELF/arm-mapping-symbol.s
@@ -7,17 +7,17 @@
 ## addresses.
 # RUN: llvm-nm --special-syms %t | FileCheck %s -check-prefix MAPPING_A
 
-# MAPPING_A:      00000004 t $a.1
-# MAPPING_A-NEXT: 00000000 t $d.0
-# MAPPING_A-NEXT: 00000008 t $d.2
+# MAPPING_A:      00000004 t $a
+# MAPPING_A-NEXT: 00000000 t $d
+# MAPPING_A-NEXT: 00000008 t $d
 # MAPPING_A-NEXT: 00000000 T foo
 
 # RUN: llvm-mc -filetype=obj -triple=thumbv7-none-linux %s -o %tthumb
 # RUN: llvm-nm --special-syms %tthumb | FileCheck %s -check-prefix MAPPING_T
 
-# MAPPING_T:      00000000 t $d.0
-# MAPPING_T-NEXT: 00000006 t $d.2
-# MAPPING_T-NEXT: 00000004 t $t.1
+# MAPPING_T:      00000000 t $d
+# MAPPING_T-NEXT: 00000006 t $d
+# MAPPING_T-NEXT: 00000004 t $t
 # MAPPING_T-NEXT: 00000000 T foo
 
 # RUN: llvm-symbolizer --obj=%t 4 8 | FileCheck %s -check-prefix SYMBOL
diff --git a/llvm/test/MC/ARM/CheckDataSymbol.s b/llvm/test/MC/ARM/CheckDataSymbol.s
index 14ea92a943a1e..ec421f51395af 100644
--- a/llvm/test/MC/ARM/CheckDataSymbol.s
+++ b/llvm/test/MC/ARM/CheckDataSymbol.s
@@ -1,7 +1,7 @@
 # RUN: llvm-mc -filetype=obj -assemble \
 # RUN: -triple=arm-arm-none-eabi -mcpu=cortex-a9 %s -o - \
 # RUN: | llvm-readobj -S --symbols - | FileCheck %s
-# CHECK:     Name: $d.1 ({{[1-9][0-9]+}})
+# CHECK:     Name: $d
 # CHECK-NEXT:     Value: 0x4
 # CHECK-NEXT:     Size: 0
 # CHECK-NEXT:     Binding: Local (0x0)
diff --git a/llvm/test/MC/ARM/data-in-code.ll b/llvm/test/MC/ARM/data-in-code.ll
index 2e107f250e05d..b755c3bb5cad4 100644
--- a/llvm/test/MC/ARM/data-in-code.ll
+++ b/llvm/test/MC/ARM/data-in-code.ll
@@ -72,7 +72,7 @@ exit:
 ;; TMB-NEXT:     Section: [[MIXED_SECT:[^ ]+]]
 
 ;; TMB:        Symbol {
-;; TMB:          Name: $d.1
+;; TMB:          Name: $d
 ;; TMB-NEXT:     Value: 0x{{[0-9A-F]+}}
 ;; TMB-NEXT:     Size: 0
 ;; TMB-NEXT:     Binding: Local
diff --git a/llvm/test/MC/ARM/directive-arm-thumb-alignment.s b/llvm/test/MC/ARM/directive-arm-thumb-alignment.s
index b90c76d2b121c..0e798f67b48aa 100644
--- a/llvm/test/MC/ARM/directive-arm-thumb-alignment.s
+++ b/llvm/test/MC/ARM/directive-arm-thumb-alignment.s
@@ -10,12 +10,12 @@
 @ CHECK:      Num:    Value  Size Type    Bind   Vis      Ndx Name
 @ CHECK-NEXT:   0: 00000000     0 NOTYPE  LOCAL  DEFAULT  UND
 @ CHECK-NEXT:   1: 00000001     0 FUNC    LOCAL  DEFAULT    2 aligned_thumb
-@ CHECK-NEXT:   2: 00000000     0 NOTYPE  LOCAL  DEFAULT    2 $t.0
+@ CHECK-NEXT:   2: 00000000     0 NOTYPE  LOCAL  DEFAULT    2 $t
 @ CHECK-NEXT:   3: 00000004     0 FUNC    LOCAL  DEFAULT    2 thumb_to_arm
-@ CHECK-NEXT:   4: 00000004     0 NOTYPE  LOCAL  DEFAULT    2 $a.1
-@ CHECK-NEXT:   5: 00000008     0 NOTYPE  LOCAL  DEFAULT    2 $d.2
+@ CHECK-NEXT:   4: 00000004     0 NOTYPE  LOCAL  DEFAULT    2 $a
+@ CHECK-NEXT:   5: 00000008     0 NOTYPE  LOCAL  DEFAULT    2 $d
 @ CHECK-NEXT:   6: 0000000b     0 FUNC    LOCAL  DEFAULT    2 unaligned_arm_to_thumb
-@ CHECK-NEXT:   7: 0000000a     0 NOTYPE  LOCAL  DEFAULT    2 $t.3
+@ CHECK-NEXT:   7: 0000000a     0 NOTYPE  LOCAL  DEFAULT    2 $t
 
 .thumb
 
diff --git a/llvm/test/MC/ARM/multi-section-mapping.s b/llvm/test/MC/ARM/multi-section-mapping.s
index 6107f262b0b8c..ed531306042aa 100644
--- a/llvm/test/MC/ARM/multi-section-mapping.s
+++ b/llvm/test/MC/ARM/multi-section-mapping.s
@@ -1,4 +1,4 @@
-@ RUN: llvm-mc -triple=armv7-linux-gnueabi -filetype=obj < %s | llvm-objdump -t - | FileCheck %s
+@ RUN: llvm-mc -triple=armv7-linux-gnueabi -filetype=obj < %s | llvm-objdump -t - | FileCheck %s --match-full-lines
 
         .text
         add r0, r0, r0
@@ -42,10 +42,10 @@
 @   + .starts_thumb to have $t at 0
 @   + .starts_data to have $d at 0
 
-@ CHECK:      00000000 l .text 00000000 $a.0
-@ CHECK-NEXT: 00000000 l .wibble 00000000 $a.1
-@ CHECK-NEXT: 00000000 l .starts_thumb 00000000 $t.2
-@ CHECK-NEXT: 00000008 l .text 00000000 $t.3
-@ CHECK-NEXT: 0000000a l .text 00000000 $d.4
+@ CHECK:      00000000 l .text 00000000 $a
+@ CHECK-NEXT: 00000000 l .wibble 00000000 $a
+@ CHECK-NEXT: 00000000 l .starts_thumb 00000000 $t
+@ CHECK-NEXT: 00000008 l .text 00000000 $t
+@ CHECK-NEXT: 0000000a l .text 00000000 $d
 @ CHECK-NOT: ${{[adt]}}
 
diff --git a/llvm/test/MC/ARM/thumb-function-address.s b/llvm/test/MC/ARM/thumb-function-address.s
index 753a049137bbf..d69dcb6724019 100644
--- a/llvm/test/MC/ARM/thumb-function-address.s
+++ b/llvm/test/MC/ARM/thumb-function-address.s
@@ -35,8 +35,8 @@ label:
 @ CHECK-NEXT: 00000000 0 NOTYPE LOCAL DEFAULT     UND
 @ CHECK-NEXT: 00000001 0 FUNC   LOCAL DEFAULT 2   func_label
 @ CHECK-NEXT: 00000001 0 FUNC   LOCAL DEFAULT 2   foo_impl
-@ CHECK-NEXT: 00000000 0 NOTYPE LOCAL DEFAULT 2   $t.0
+@ CHECK-NEXT: 00000000 0 NOTYPE LOCAL DEFAULT 2   $t
 @ CHECK-NEXT: 00000003 0 FUNC   LOCAL DEFAULT 2   foo_resolver
 @ CHECK-NEXT: 00000003 0 IFUNC  LOCAL DEFAULT 2   foo
 @ CHECK-NEXT: 00000004 0 FUNC   LOCAL DEFAULT 2   label
-@ CHECK-NEXT: 00000008 0 NOTYPE LOCAL DEFAULT 2   $a.1
+@ CHECK-NEXT: 00000008 0 NOTYPE LOCAL DEFAULT 2   $a
diff --git a/llvm/test/MC/ARM/thumb-types.s b/llvm/test/MC/ARM/thumb-types.s
index cb1b47e1fa7fb..b965cd8accf05 100644
--- a/llvm/test/MC/ARM/thumb-types.s
+++ b/llvm/test/MC/ARM/thumb-types.s
@@ -3,22 +3,22 @@
 @ CHECK:      Num:    Value  Size Type    Bind   Vis      Ndx Name
 @ CHECK-NEXT:   0: 00000000     0 NOTYPE  LOCAL  DEFAULT  UND
 @ CHECK-NEXT:   1: 00000001     0 FUNC    LOCAL  DEFAULT    2 implicit_function
-@ CHECK-NEXT:   2: 00000000     0 NOTYPE  LOCAL  DEFAULT    2 $t.0
+@ CHECK-NEXT:   2: 00000000     0 NOTYPE  LOCAL  DEFAULT    2 $t
 @ CHECK-NEXT:   3: 00000002     0 OBJECT  LOCAL  DEFAULT    2 implicit_data
-@ CHECK-NEXT:   4: 00000002     0 NOTYPE  LOCAL  DEFAULT    2 $d.1
+@ CHECK-NEXT:   4: 00000002     0 NOTYPE  LOCAL  DEFAULT    2 $d
 @ CHECK-NEXT:   5: 00000008     0 FUNC    LOCAL  DEFAULT    2 arm_function
-@ CHECK-NEXT:   6: 00000008     0 NOTYPE  LOCAL  DEFAULT    2 $a.2
+@ CHECK-NEXT:   6: 00000008     0 NOTYPE  LOCAL  DEFAULT    2 $a
 @ CHECK-NEXT:   7: 0000000c     0 NOTYPE  LOCAL  DEFAULT    2 untyped_text_label
-@ CHECK-NEXT:   8: 0000000c     0 NOTYPE  LOCAL  DEFAULT    2 $t.3
+@ CHECK-NEXT:   8: 0000000c     0 NOTYPE  LOCAL  DEFAULT    2 $t
 @ CHECK-NEXT:   9: 0000000f     0 FUNC    LOCAL  DEFAULT    2 explicit_function
-@ CHECK-NEXT:  10: 00000010     0 NOTYPE  LOCAL  DEFAULT    2 $d.4
+@ CHECK-NEXT:  10: 00000010     0 NOTYPE  LOCAL  DEFAULT    2 $d
 @ CHECK-NEXT:  11: 00000000     4 TLS     LOCAL  DEFAULT    5 tls
 @ CHECK-NEXT:  12: 00000015     0 IFUNC   LOCAL  DEFAULT    2 indirect_function
-@ CHECK-NEXT:  13: 00000014     0 NOTYPE  LOCAL  DEFAULT    2 $t.5
+@ CHECK-NEXT:  13: 00000014     0 NOTYPE  LOCAL  DEFAULT    2 $t
 @ CHECK-NEXT:  14: 00000000     0 NOTYPE  LOCAL  DEFAULT    4 untyped_data_label
-@ CHECK-NEXT:  15: 00000000     0 NOTYPE  LOCAL  DEFAULT    4 $t.6
+@ CHECK-NEXT:  15: 00000000     0 NOTYPE  LOCAL  DEFAULT    4 $t
 @ CHECK-NEXT:  16: 00000002     0 OBJECT  LOCAL  DEFAULT    4 explicit_data
-@ CHECK-NEXT:  17: 00000002     0 NOTYPE  LOCAL  DEFAULT    4 $d.7
+@ CHECK-NEXT:  17: 00000002     0 NOTYPE  LOCAL  DEFAULT    4 $d
 
 
 	.syntax unified
diff --git a/llvm/test/MC/ARM/thumb_set.s b/llvm/test/MC/ARM/thumb_set.s
index 4bb7b599aaf11..836eb0b62e0fa 100644
--- a/llvm/test/MC/ARM/thumb_set.s
+++ b/llvm/test/MC/ARM/thumb_set.s
@@ -6,12 +6,12 @@
 @ CHECK:      Num:    Value  Size Type    Bind   Vis      Ndx Name
 @ CHECK-NEXT:   0: 00000000     0 NOTYPE  LOCAL  DEFAULT  UND
 @ CHECK-NEXT:   1: 00000000     0 FUNC    LOCAL  DEFAULT    2 arm_func
-@ CHECK-NEXT:   2: 00000000     0 NOTYPE  LOCAL  DEFAULT    2 $a.0
+@ CHECK-NEXT:   2: 00000000     0 NOTYPE  LOCAL  DEFAULT    2 $a
 @ CHECK-NEXT:   3: 00000001     0 FUNC    LOCAL  DEFAULT    2 alias_arm_func
 @ CHECK-NEXT:   4: 00000001     0 FUNC    LOCAL  DEFAULT    2 alias_arm_func2
 @ CHECK-NEXT:   5: 00000001     0 FUNC    LOCAL  DEFAULT    2 alias_arm_func3
 @ CHECK-NEXT:   6: 00000005     0 FUNC    LOCAL  DEFAULT    2 thumb_func
-@ CHECK-NEXT:   7: 00000004     0 NOTYPE  LOCAL  DEFAULT    2 $t.1
+@ CHECK-NEXT:   7: 00000004     0 NOTYPE  LOCAL  DEFAULT    2 $t
 @ CHECK-NEXT:   8: 00000005     0 FUNC    LOCAL  DEFAULT    2 alias_thumb_func
 @ CHECK-NEXT:   9: 5eed1e55     0 FUNC    LOCAL  DEFAULT  ABS seedless
 @ CHECK-NEXT:  10: e665a1ad     0 FUNC    LOCAL  DEFAULT  ABS eggsalad
diff --git a/llvm/test/MC/ELF/ARM/execute-only-section.s b/llvm/test/MC/ELF/ARM/execute-only-section.s
index 12020e030cc04..ac5e31f70dba0 100644
--- a/llvm/test/MC/ELF/ARM/execute-only-section.s
+++ b/llvm/test/MC/ELF/ARM/execute-only-section.s
@@ -18,7 +18,7 @@ foo:
 
 
 // CHECK:      Section {
-// CHECK:        Name: .text (16)
+// CHECK:        Name: .text
 // CHECK-NEXT:   Type: SHT_PROGBITS (0x1)
 // CHECK-NEXT:   Flags [ (0x20000006)
 // CHECK-NEXT:     SHF_ALLOC (0x2)
@@ -29,7 +29,7 @@ foo:
 // CHECK:      }
 
 // CHECK:      Section {
-// CHECK:        Name: .text (16)
+// CHECK:        Name: .text
 // CHECK-NEXT:   Type: SHT_PROGBITS (0x1)
 // CHECK-NEXT:   Flags [ (0x20000006)
 // CHECK-NEXT:     SHF_ALLOC (0x2)
@@ -40,6 +40,6 @@ foo:
 // CHECK:      }
 
 // CHECK: Symbol {
-// CHECK:   Name: foo (22)
+// CHECK:   Name: foo
 // CHECK:   Section: .text (0x3)
 // CHECK: }
diff --git a/llvm/test/tools/llvm-objdump/multiple-symbols.s b/llvm/test/tools/llvm-objdump/multiple-symbols.s
index 24c169e32147b..1b13f099ae98c 100644
--- a/llvm/test/tools/llvm-objdump/multiple-symbols.s
+++ b/llvm/test/tools/llvm-objdump/multiple-symbols.s
@@ -26,13 +26,13 @@
 
 @ HEAD:          Disassembly of section .text:
 @ HEAD-EMPTY:
-@ AMAP-NEXT:     00000000 <$a.0>:
+@ AMAP-NEXT:     00000000 <$a>:
 @ AAAA-NEXT:     00000000 <aaaa>:
 @ BBBB-NEXT:     00000000 <bbbb>:
 @ AABB-NEXT:            0: e0800080      add     r0, r0, r0, lsl #1
 @ AABB-NEXT:            4: e12fff1e      bx      lr
 @ BOTH-EMPTY:    
-@ TMAP-NEXT:     00000008 <$t.1>:
+@ TMAP-NEXT:     00000008 <$t>:
 @ CCCC-NEXT:     00000008 <cccc>:
 @ DDDD-NEXT:     00000008 <dddd>:
 @ CCDD-NEXT:            8: eb00 0080     add.w   r0, r0, r0, lsl #2

smithp35

As with AArch64 I think MappingSymbolCounter can be removed as unused. Other than that looks good to me.

smithp35 · 2024-07-23T08:58:19Z

llvm/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp

@@ -670,17 +670,15 @@ class ARMELFStreamer : public MCELFStreamer {
  }

  void EmitMappingSymbol(StringRef Name) {
-    auto *Symbol = cast<MCSymbolELF>(getContext().getOrCreateSymbol(
-        Name + "." + Twine(MappingSymbolCounter++)));
+    auto *Symbol = cast<MCSymbolELF>(getContext().createLocalSymbol(Name));


I think these two functions are the only use of MappingSymbolCounter (similar to AArch64). Can it be removed?

Created using spr 1.3.5-bogner

smithp35

LGTM thanks for the update.

Similar to llvm#99836 for AArch64. Non-unique names save .strtab space and match GNU assembler. Pull Request: llvm#99906 (cherry picked from commit 298a922)

Similar to #99836 for AArch64. Non-unique names save .strtab space and match GNU assembler. Pull Request: #99906

[𝘀𝗽𝗿] initial version

91a8756

Created using spr 1.3.5-bogner

llvmbot added lld backend:ARM debuginfo mc Machine (object) code lld:ELF llvm:binary-utilities labels Jul 22, 2024

MaskRay requested review from smithp35 and statham-arm July 22, 2024 17:29

smithp35 reviewed Jul 23, 2024

View reviewed changes

remove MappingSymbolCounter

162d8ee

Created using spr 1.3.5-bogner

smithp35 approved these changes Jul 23, 2024

View reviewed changes

MaskRay merged commit 298a922 into main Jul 23, 2024
4 of 6 checks passed

MaskRay deleted the users/MaskRay/spr/arm-create-mapping-symbols-with-non-unique-names branch July 23, 2024 16:44

yuxuanchen1997 pushed a commit that referenced this pull request Jul 25, 2024

[ARM] Create mapping symbols with non-unique names

935d504

Similar to #99836 for AArch64. Non-unique names save .strtab space and match GNU assembler. Pull Request: #99906

MaskRay mentioned this pull request Jan 23, 2025

[lld] LLD handles strings and their substrings in .rodata sections differently than the gnu ld linker. #121182

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