mirror of
https://git.proxmox.com/git/llvm-toolchain
synced 2025-10-31 19:23:09 +00:00
78 lines
2.6 KiB
Diff
78 lines
2.6 KiB
Diff
Index: llvm/lib/MC/MCParser/ELFAsmParser.cpp
|
|
===================================================================
|
|
--- a/llvm/lib/MC/MCParser/ELFAsmParser.cpp
|
|
+++ b/llvm/lib/MC/MCParser/ELFAsmParser.cpp
|
|
@@ -652,10 +652,13 @@
|
|
!(SectionName == ".eh_frame" && Type == ELF::SHT_PROGBITS))
|
|
Error(loc, "changed section type for " + SectionName + ", expected: 0x" +
|
|
utohexstr(Section->getType()));
|
|
- if (Section->getFlags() != Flags)
|
|
+ // Check that flags are used consistently. However, the GNU assembler permits
|
|
+ // to leave out in subsequent uses of the same sections; for compatibility,
|
|
+ // do likewise.
|
|
+ if ((Flags || Size || !TypeName.empty()) && Section->getFlags() != Flags)
|
|
Error(loc, "changed section flags for " + SectionName + ", expected: 0x" +
|
|
utohexstr(Section->getFlags()));
|
|
- if (Section->getEntrySize() != Size)
|
|
+ if ((Flags || Size || !TypeName.empty()) && Section->getEntrySize() != Size)
|
|
Error(loc, "changed section entsize for " + SectionName +
|
|
", expected: " + Twine(Section->getEntrySize()));
|
|
|
|
Index: llvm/test/MC/ELF/section-entsize-changed.s
|
|
===================================================================
|
|
--- a/llvm/test/MC/ELF/section-entsize-changed.s
|
|
+++ b/llvm/test/MC/ELF/section-entsize-changed.s
|
|
@@ -10,3 +10,26 @@
|
|
.pushsection .foo,"aM",@progbits,4
|
|
|
|
.pushsection .foo,"aM",@progbits,1
|
|
+
|
|
+
|
|
+bar:
|
|
+.section .bar,"ax",@progbits
|
|
+
|
|
+.section .bar
|
|
+
|
|
+# CHECK: {{.*}}.s:[[# @LINE+1]]:1: error: changed section flags for .bar, expected: 0x6
|
|
+.section .bar,"awx",@progbits
|
|
+
|
|
+# CHECK: {{.*}}.s:[[# @LINE+1]]:1: error: changed section flags for .bar, expected: 0x6
|
|
+.pushsection .bar,"a",@progbits
|
|
+
|
|
+.pushsection .bar
|
|
+
|
|
+foobar:
|
|
+.section .foobar,"ax",@progbits; .byte 1
|
|
+
|
|
+# CHECK: {{.*}}.s:[[# @LINE+1]]:1: error: changed section flags for .foobar, expected: 0x6
|
|
+.section .foobar,"",@progbits; .byte 2
|
|
+
|
|
+# CHECK: {{.*}}.s:[[# @LINE+1]]:1: error: changed section flags for .foobar, expected: 0x6
|
|
+.section .foobar,"a",@progbits; .byte 3
|
|
Index: llvm/test/MC/ELF/section-omitted-attributes.s
|
|
===================================================================
|
|
--- /dev/null
|
|
+++ llvm/test/MC/ELF/section-omitted-attributes.s
|
|
@@ -0,0 +1,21 @@
|
|
+# RUN: llvm-mc -triple=x86_64 %s -o - | FileCheck %s
|
|
+
|
|
+// CHECK: .section .foo,"aM",@progbits,1
|
|
+// CHECK: .section .bar,"aM",@progbits,4
|
|
+
|
|
+foo:
|
|
+.section .foo,"aM",@progbits,1
|
|
+
|
|
+.section .foo
|
|
+
|
|
+.pushsection .foo
|
|
+
|
|
+.pushsection .foo
|
|
+
|
|
+.section .bar,"aM",@progbits,4
|
|
+
|
|
+.section .bar
|
|
+
|
|
+.pushsection .bar,"aM",@progbits,4
|
|
+
|
|
+.pushsection .bar
|