# RUN: yaml2obj %s -o %t ## When targetting non-x86_64, the "large" flag is not allowed: # RUN: not llvm-objcopy -O elf64-tradbigmips --set-section-flags=.foo=large %t %t.mips.large 2>&1 | FileCheck %s --check-prefixes=BAD-LARGE # BAD-LARGE: error: {{.*}}: section flag SHF_X86_64_LARGE can only be used with x86_64 architecture ## Converting x86_64 to non-x86_64 preserves the flag equivalent to SHF_X86_64_LARGE. ## (This is not a deliberate feature, but it reflects how preservation/setting of flags ## works for arch-specific flags.) # RUN: llvm-objcopy -O elf64-tradbigmips --set-section-flags=.foo=alloc --set-section-flags=.bar=alloc %t %t.mips # RUN: llvm-readobj --sections %t.mips | FileCheck %s --check-prefixes=CHECK,REINTERPRET-GPREL ## Converting non-x86_64 to x86_64 clears the flag equivalent to SHF_X86_64_LARGE, ## and SHF_X86_64_LARGE is set according to the presence of the "large" flag, ## as long as --set-section-flags is used. If --set-section-flag is _not_ used, then ## the section flag is retained. (This latter behaviour is also not deliberate.) # RUN: llvm-objcopy -O elf64-x86-64 --set-section-flags=.foo=alloc --set-section-flags=.bar=alloc %t.mips %t.x86_64.no-large # RUN: llvm-readobj --sections %t.x86_64.no-large | FileCheck %s --check-prefixes=CHECK,REINTERPRET-LARGE # RUN: llvm-objcopy -O elf64-x86-64 --set-section-flags=.foo=alloc,large --set-section-flags=.bar=alloc,large %t.mips %t.x86_64.large # RUN: llvm-readobj --sections %t.x86_64.large | FileCheck %s --check-prefixes=CHECK,LARGE,REINTERPRET-LARGE !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_REL Machine: EM_X86_64 Sections: - Name: .foo Type: SHT_PROGBITS Flags: [ ] - Name: .bar Type: SHT_PROGBITS Flags: [ SHF_X86_64_LARGE ] - Name: .untouched Type: SHT_PROGBITS Flags: [ ] - Name: .untouched_large Type: SHT_PROGBITS Flags: [ SHF_X86_64_LARGE ] # CHECK: Name: .foo # CHECK-NEXT: Type: SHT_PROGBITS # CHECK-NEXT: Flags [ # CHECK-NEXT: SHF_ALLOC (0x2) # CHECK-NEXT: SHF_WRITE (0x1) # LARGE-NEXT: SHF_X86_64_LARGE (0x10000000) # CHECK-NEXT: ] # CHECK: Name: .bar # CHECK-NEXT: Type: SHT_PROGBITS # CHECK-NEXT: Flags [ # CHECK-NEXT: SHF_ALLOC (0x2) # REINTERPRET-GPREL-NEXT: SHF_MIPS_GPREL (0x10000000) # CHECK-NEXT: SHF_WRITE (0x1) # LARGE-NEXT: SHF_X86_64_LARGE (0x10000000) # CHECK-NEXT: ] # CHECK: Name: .untouched # CHECK-NEXT: Type: SHT_PROGBITS # CHECK-NEXT: Flags [ # CHECK-NEXT: ] # CHECK: Name: .untouched_large # CHECK-NEXT: Type: SHT_PROGBITS # CHECK-NEXT: Flags [ # REINTERPRET-GPREL-NEXT: SHF_MIPS_GPREL (0x10000000) # REINTERPRET-LARGE-NEXT: SHF_X86_64_LARGE (0x10000000) # CHECK-NEXT: ]