# REQUIRES: riscv # RUN: rm -rf %t && split-file %s %t && cd %t # RUN: llvm-mc -filetype=obj -triple=riscv64 1.s -o 1.o # RUN: ld.lld 1.o --shared -o 1.so # RUN: llvm-readelf -d -s 1.so | FileCheck --check-prefix=CHECK1 %s # CHECK1: Symbol table '.dynsym' # CHECK1: 0 NOTYPE GLOBAL DEFAULT [VARIANT_CC] [[#]] func_global_def # CHECK1: Symbol table '.symtab' # CHECK1: 0 NOTYPE GLOBAL DEFAULT [VARIANT_CC] [[#]] func_global_def # RUN: llvm-mc -filetype=obj -triple=riscv64 2.s -o 2.o # RUN: ld.lld 2.o --shared -o 2.so # RUN: llvm-readelf -d -s 2.so | FileCheck --check-prefix=CHECK2 %s # CHECK2: 0x0000000070000001 (RISCV_VARIANT_CC) 0x0 # CHECK2: Symbol table '.dynsym' # CHECK2: 0 NOTYPE GLOBAL DEFAULT [VARIANT_CC] [[#]] func_global_def # CHECK2: Symbol table '.symtab' # CHECK2: 0 NOTYPE GLOBAL DEFAULT [VARIANT_CC] [[#]] func_global_def # RUN: llvm-mc -filetype=obj -triple=riscv32 3.s -o 3.o # RUN: ld.lld 3.o --shared -o 3.so # RUN: llvm-readelf -d -s 3.so | FileCheck --check-prefix=CHECK3 %s # CHECK3: 0x70000001 (RISCV_VARIANT_CC) 0x0 # CHECK3: Symbol table '.dynsym' # CHECK3: 0 IFUNC GLOBAL DEFAULT [VARIANT_CC] UND ifunc_global_def # CHECK3: 0 NOTYPE GLOBAL DEFAULT [[#]] func_global_def # RUN: llvm-mc -filetype=obj -triple=riscv32 4.s -o 4.o # RUN: ld.lld 4.o --shared -o 4.so # RUN: llvm-readelf -d -s 4.so | FileCheck --check-prefix=CHECK4 %s # CHECK4-NOT: (RISCV_VARIANT_CC) # CHECK4: Symbol table '.dynsym' # CHECK4: 0 IFUNC GLOBAL DEFAULT [VARIANT_CC] [[#]] ifunc_global_def # RUN: llvm-mc -filetype=obj -triple=riscv64 5.s -o 5.o # RUN: ld.lld 5.o --shared -o 5.so # RUN: llvm-readelf -d -s 5.so | FileCheck --check-prefix=CHECK5 %s # CHECK5: Symbol table '.dynsym' contains 4 entries: # CHECK5: 0 NOTYPE GLOBAL DEFAULT [VARIANT_CC] UND func_global_undef # CHECK5-NEXT: 0 NOTYPE GLOBAL DEFAULT [VARIANT_CC] [[#]] func_global_def # CHECK5-NEXT: 0 IFUNC GLOBAL DEFAULT [VARIANT_CC] [[#]] ifunc_global_def # CHECK5: Symbol table '.symtab' contains 10 entries: # CHECK5: 0 NOTYPE LOCAL DEFAULT [VARIANT_CC] [[#]] func_local # CHECK5-NEXT: 0 IFUNC LOCAL DEFAULT [VARIANT_CC] [[#]] ifunc_local # CHECK5: 0 NOTYPE LOCAL HIDDEN [VARIANT_CC] [[#]] func_global_hidden # CHECK5-NEXT: 0 IFUNC LOCAL HIDDEN [VARIANT_CC] [[#]] ifunc_global_hidden # CHECK5: 0 NOTYPE GLOBAL DEFAULT [VARIANT_CC] [[#]] func_global_def # CHECK5-NEXT: 0 NOTYPE GLOBAL DEFAULT [VARIANT_CC] UND func_global_undef # CHECK5-NEXT: 0 IFUNC GLOBAL DEFAULT [VARIANT_CC] [[#]] ifunc_global_def #--- 1.s ## An object with a variant_pcs symbol but without a R_RISCV_JMP_SLOT ## should not generate a DT_RISCV_VARIANT_CC. .text .global func_global_def .variant_cc func_global_def func_global_def: ret #--- 2.s ## An object with a variant_cc symbol and with a R_RISCV_JMP_SLOT ## should generate a DT_RISCV_VARIANT_CC. .text .global func_global_def .variant_cc func_global_def func_global_def: call func_global_def #--- 3.s ## Same as before, but targeting a GNU IFUNC. .text .global ifunc_global_def .global func_global_def .variant_cc ifunc_global_def .type ifunc_global_def, %gnu_indirect_function func_global_def: call ifunc_global_def #--- 4.s ## An object with a variant_cc symbol and with a R_RISCV_IRELATIVE ## should not generate a DT_RISCV_VARIANT_CC. .text .global ifunc_global_def .global func_global_def .variant_cc ifunc_global_def .type ifunc_global_def, %gnu_indirect_function ifunc_global_def: call func_global_def #--- 5.s ## Check if STO_RISCV_VARIANT_CC is kept on symbol st_other for both undef, ## local, and hidden visibility. .text .global func_global_def, func_global_undef, func_global_hidden .global ifunc_global_def, ifunc_global_hidden .local func_local .hidden func_global_hidden, ifunc_global_hidden .type ifunc_global_def, %gnu_indirect_function .type ifunc_global_hidden, %gnu_indirect_function .type ifunc_local, %gnu_indirect_function .variant_cc func_global_def .variant_cc func_global_undef .variant_cc func_global_hidden .variant_cc func_local .variant_cc ifunc_global_def .variant_cc ifunc_global_hidden .variant_cc ifunc_local func_global_def: func_global_hidden: func_local: ifunc_global_def: ifunc_global_hidden: ifunc_local: ret