Set alignment=1 for ELF debug sections (#103867)

am11 · web-flow · commit bb63e362f4dc · 2024-06-24T10:20:56.000+02:00
diff --git a/src/coreclr/tools/aot/ILCompiler.Compiler/Compiler/ObjectWriter/ElfObjectWriter.cs b/src/coreclr/tools/aot/ILCompiler.Compiler/Compiler/ObjectWriter/ElfObjectWriter.cs
@@ -141,6 +141,7 @@ private protected override void CreateSection(ObjectNodeSection section, string
                 {
                     Type = type,
                     Flags = flags,
+                    Alignment = 1
                 },
                 Name = sectionName,
                 Stream = sectionStream,
@@ -689,7 +690,7 @@ private void EmitObjectFile<TSize>(FileStream outputFileStream)
             {
                 _stringTable.ReserveString(section.Name);
 
-                if (section.SectionHeader.Alignment > 0)
+                if (section.SectionHeader.Alignment > 1)
                 {
                     currentOffset = (ulong)((currentOffset + (ulong)section.SectionHeader.Alignment - 1) & ~(ulong)(section.SectionHeader.Alignment - 1));
                 }

Original file line number	Diff line number	Diff line change
`@@ -141,6 +141,7 @@ private protected override void CreateSection(ObjectNodeSection section, string`
`141`	`141`	`{`
`142`	`142`	`Type = type,`
`143`	`143`	`Flags = flags,`
	`144`	`+ Alignment = 1`
`144`	`145`	`},`
`145`	`146`	`Name = sectionName,`
`146`	`147`	`Stream = sectionStream,`
`@@ -689,7 +690,7 @@ private void EmitObjectFile<TSize>(FileStream outputFileStream)`
`689`	`690`	`{`
`690`	`691`	`_stringTable.ReserveString(section.Name);`
`691`	`692`
`692`		`- if (section.SectionHeader.Alignment > 0)`
	`693`	`+ if (section.SectionHeader.Alignment > 1)`
`693`	`694`	`{`
`694`	`695`	`currentOffset = (ulong)((currentOffset + (ulong)section.SectionHeader.Alignment - 1) & ~(ulong)(section.SectionHeader.Alignment - 1));`
`695`	`696`	`}`