"Section type is not SHT_REL nor SHT_RELA");
bool IsRela = Section.Type == llvm::ELF::SHT_RELA;
- SHeader.sh_entsize = IsRela ? sizeof(Elf_Rela) : sizeof(Elf_Rel);
- SHeader.sh_size = SHeader.sh_entsize * Section.Relocations.size();
+ if (Section.EntSize)
+ SHeader.sh_entsize = *Section.EntSize;
+ else
+ SHeader.sh_entsize = IsRela ? sizeof(Elf_Rela) : sizeof(Elf_Rel);
+ SHeader.sh_size = (IsRela ? sizeof(Elf_Rela) : sizeof(Elf_Rel)) *
+ Section.Relocations.size();
// For relocation section set link to .symtab by default.
unsigned Link = 0;
--- /dev/null
+## Test how yaml2obj sets values for sh_entsize fields of relocation sections.
+
+# RUN: yaml2obj --docnum=1 %s -o %t64
+# RUN: llvm-readelf --sections %t64 | FileCheck %s --check-prefix=ELF64
+
+# RUN: yaml2obj --docnum=2 %s -o %t32
+# RUN: llvm-readelf --sections %t32 | FileCheck %s --check-prefix=ELF32
+
+# ELF64: Name Type Address Off Size ES
+# ELF64: .rela.default RELA 0000000000000000 000040 000000 18
+# ELF64: .rel.default REL 0000000000000000 000040 000000 10
+# ELF64: .relr.default RELR 0000000000000000 000040 000000 08
+# ELF64: .rela.custom RELA 0000000000000000 000040 000000 ff
+# ELF64: .rel.custom REL 0000000000000000 000040 000000 ff
+# ELF64: .relr.custom RELR 0000000000000000 000040 000000 ff
+
+# ELF32: Name Type Address Off Size ES
+# ELF32: .rela.default RELA 00000000 000034 000000 0c
+# ELF32: .rel.default REL 00000000 000034 000000 08
+# ELF32: .relr.default RELR 00000000 000034 000000 04
+# ELF32: .rela.custom RELA 00000000 000034 000000 ff
+# ELF32: .rel.custom REL 00000000 000034 000000 ff
+# ELF32: .relr.custom RELR 00000000 000034 000000 ff
+
+--- !ELF
+FileHeader:
+ Class: ELFCLASS64
+ Data: ELFDATA2LSB
+ Type: ET_REL
+ Machine: EM_X86_64
+Sections:
+## Check default sh_entsize field values.
+ - Name: .rela.default
+ Type: SHT_RELA
+ - Name: .rel.default
+ Type: SHT_REL
+ - Name: .relr.default
+ Type: SHT_RELR
+## Check we can set sh_entsize fields to arbitrary values.
+ - Name: .rela.custom
+ Type: SHT_RELA
+ EntSize: 0xFF
+ - Name: .rel.custom
+ Type: SHT_REL
+ EntSize: 0xFF
+ - Name: .relr.custom
+ Type: SHT_RELR
+ EntSize: 0xFF
+
+--- !ELF
+FileHeader:
+ Class: ELFCLASS32
+ Data: ELFDATA2LSB
+ Type: ET_REL
+ Machine: EM_386
+Sections:
+## Check default sh_entsizes field values.
+ - Name: .rela.default
+ Type: SHT_RELA
+ - Name: .rel.default
+ Type: SHT_REL
+ - Name: .relr.default
+ Type: SHT_RELR
+## Check we can set sh_entsize fields to arbitrary values.
+ - Name: .rela.custom
+ Type: SHT_RELA
+ EntSize: 0xFF
+ - Name: .rel.custom
+ Type: SHT_REL
+ EntSize: 0xFF
+ - Name: .relr.custom
+ Type: SHT_RELR
+ EntSize: 0xFF