[PATCH] D87219: [ELF] Merge .openbsd.randomdata.* sections into a single .openbsd.randomdata section when linking
Brad Smith via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sat May 14 23:54:32 PDT 2022
brad updated this revision to Diff 429517.
brad added a comment.
Herald added a subscriber: StephenFan.
Herald added a project: All.
Add test.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D87219/new/
https://reviews.llvm.org/D87219
Files:
lld/ELF/LinkerScript.cpp
lld/test/ELF/section-name.s
Index: lld/test/ELF/section-name.s
===================================================================
--- lld/test/ELF/section-name.s
+++ lld/test/ELF/section-name.s
@@ -41,6 +41,8 @@
.byte 0
.section .tdata.foo,"aGwT", at progbits,foo,comdat
.byte 0
+.section .openbsd.randomdata.retguard.1723,"aw"
+.byte 0
// CHECK: 1 .rodata 00000002
// CHECK: 2 .gcc_except_table 00000001
@@ -48,11 +50,12 @@
// CHECK: 4 .tdata 00000001
// CHECK: 5 .tbss 00000001
// CHECK: 6 .data.rel.ro 00000004
-// CHECK: 7 .data 00000002
-// CHECK: 8 .foo.a 00000001
-// CHECK: 9 .foo 00000001
-// CHECK: 10 .bss 00000002
-// CHECK: 11 .comment 00000008
-// CHECK: 12 .symtab 00000030
-// CHECK: 13 .shstrtab 00000075
-// CHECK: 14 .strtab 00000008
+// CHECK: 7 .openbsd.randomdata 00000001
+// CHECK: 8 .data 00000002
+// CHECK: 9 .foo.a 00000001
+// CHECK: 10 .foo 00000001
+// CHECK: 11 .bss 00000002
+// CHECK: 12 .comment 00000008
+// CHECK: 13 .symtab 00000030
+// CHECK: 14 .shstrtab 00000089
+// CHECK: 15 .strtab 00000008
Index: lld/ELF/LinkerScript.cpp
===================================================================
--- lld/ELF/LinkerScript.cpp
+++ lld/ELF/LinkerScript.cpp
@@ -103,7 +103,7 @@
for (StringRef v :
{".data.rel.ro", ".data", ".rodata", ".bss.rel.ro", ".bss",
".gcc_except_table", ".init_array", ".fini_array", ".tbss", ".tdata",
- ".ARM.exidx", ".ARM.extab", ".ctors", ".dtors"})
+ ".openbsd.randomdata", ".ARM.exidx", ".ARM.extab", ".ctors", ".dtors"})
if (isSectionPrefix(v, s->name))
return v;
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