# REQUIRES: riscv # RUN: rm -rf %t && split-file %s %t && cd %t # RUN: llvm-mc -filetype=obj -triple=riscv64 a.s -o a.64.o # RUN: llvm-mc -filetype=obj -triple=riscv64 c.s -o c.64.o # RUN: ld.lld -shared -soname=c.64.so c.64.o -o c.64.so # RUN: llvm-mc -filetype=obj -triple=riscv32 --defsym ELF32=1 a.s -o a.32.o # RUN: llvm-mc -filetype=obj -triple=riscv32 --defsym ELF32=1 c.s -o c.32.o # RUN: ld.lld -shared -soname=c.32.so c.32.o -o c.32.so # RUN: ld.lld -shared -z now a.64.o c.64.o -o a.64.so # RUN: llvm-readobj -r -x .got a.64.so | FileCheck --check-prefix=GD64-RELA %s # RUN: llvm-objdump --no-show-raw-insn -M no-aliases -h -d a.64.so | FileCheck %s --check-prefix=GD64 # RUN: ld.lld -shared -z now a.64.o c.64.o -o rel.64.so -z rel # RUN: llvm-readobj -r -x .got rel.64.so | FileCheck --check-prefix=GD64-REL %s # RUN: ld.lld -e 0 -z now a.64.o c.64.o -o a.64.le # RUN: llvm-readelf -r a.64.le | FileCheck --check-prefix=NOREL %s # RUN: llvm-objdump --no-show-raw-insn -M no-aliases -h -d a.64.le | FileCheck %s --check-prefix=LE64 # RUN: ld.lld -e 0 -z now a.64.o c.64.so -o a.64.ie # RUN: llvm-readobj -r a.64.ie | FileCheck --check-prefix=IE64-RELA %s # RUN: llvm-objdump --no-show-raw-insn -M no-aliases -h -d a.64.ie | FileCheck %s --check-prefix=IE64 ## 32-bit code is mostly the same. We only test a few variants. The IE optimization uses the LW instruction. # RUN: ld.lld -shared -z now a.32.o c.32.o -o rel.32.so -z rel # RUN: llvm-readobj -r -x .got rel.32.so | FileCheck --check-prefix=GD32-REL %s # RUN: ld.lld -e 0 -z now a.32.o c.32.so -o a.32.ie # RUN: llvm-objdump --no-show-raw-insn -M no-aliases -h -d a.32.ie | FileCheck %s --check-prefix=IE32 ## Prior to https://github.com/llvm/llvm-project/pull/85817 the local TLSDESC ## labels would be marked STT_TLS, resulting in an error "has an STT_TLS symbol but doesn't have an SHF_TLS section" # RUN: llvm-mc -triple=riscv64 -filetype=obj d.s -o d.64.o # RUN: ld.lld -shared -soname=d.64.so -o d.64.so d.64.o --fatal-warnings # RUN: llvm-mc -triple=riscv32 -filetype=obj d.s -o d.32.o --defsym ELF32=1 # RUN: ld.lld -shared -soname=d.32.so -o d.32.so d.32.o --fatal-warnings # GD64-RELA: .rela.dyn { # GD64-RELA-NEXT: 0x2408 R_RISCV_TLSDESC - 0x7FF # GD64-RELA-NEXT: 0x23E8 R_RISCV_TLSDESC a 0x0 # GD64-RELA-NEXT: 0x23F8 R_RISCV_TLSDESC c 0x0 # GD64-RELA-NEXT: } # GD64-RELA: Hex dump of section '.got': # GD64-RELA-NEXT: 0x000023e0 20230000 00000000 00000000 00000000 # # GD64-RELA-NEXT: 0x000023f0 00000000 00000000 00000000 00000000 . # GD64-REL: .rel.dyn { # GD64-REL-NEXT: 0x23F0 R_RISCV_TLSDESC - # GD64-REL-NEXT: 0x23D0 R_RISCV_TLSDESC a # GD64-REL-NEXT: 0x23E0 R_RISCV_TLSDESC c # GD64-REL-NEXT: } # GD64-REL: Hex dump of section '.got': # GD64-REL-NEXT: 0x000023c8 08230000 00000000 00000000 00000000 . # GD64-REL-NEXT: 0x000023d8 00000000 00000000 00000000 00000000 . # GD64-REL-NEXT: 0x000023e8 00000000 00000000 00000000 00000000 . # GD64-REL-NEXT: 0x000023f8 ff070000 00000000 . # GD32-REL: .rel.dyn { # GD32-REL-NEXT: 0x2274 R_RISCV_TLSDESC - # GD32-REL-NEXT: 0x2264 R_RISCV_TLSDESC a # GD32-REL-NEXT: 0x226C R_RISCV_TLSDESC c # GD32-REL-NEXT: } # GD32-REL: Hex dump of section '.got': # GD32-REL-NEXT: 0x00002260 00220000 00000000 00000000 00000000 . # GD32-REL-NEXT: 0x00002270 00000000 00000000 ff070000 . # GD64: .got 00000038 00000000000023e0 ## &.got[a]-. = 0x23e0+8 - 0x12e0 = 0x1108 # GD64: 12e0: auipc a0, 0x1 # GD64-NEXT: ld a1, 0x108(a0) # GD64-NEXT: addi a0, a0, 0x108 # GD64-NEXT: jalr t0, 0x0(a1) # GD64-NEXT: add a0, a0, tp ## &.got[b]-. = 0x23e0+40 - 0x12f4 = 0x1114 # GD64: 12f4: auipc a2, 0x1 # GD64-NEXT: ld a3, 0x114(a2) # GD64-NEXT: addi a0, a2, 0x114 # GD64-NEXT: jalr t0, 0x0(a3) # GD64-NEXT: add a0, a0, tp ## &.got[c]-. = 0x23e0+24 - 0x1308 = 0x10f0 # GD64: 1308: auipc a4, 0x1 # GD64-NEXT: ld a5, 0xf0(a4) # GD64-NEXT: addi a0, a4, 0xf0 # GD64-NEXT: jalr t0, 0x0(a5) # GD64-NEXT: add a0, a0, tp # NOREL: no relocations # LE64-LABEL: <.Ltlsdesc_hi0>: ## st_value(a) = 8 # LE64-NEXT: addi zero, zero, 0x0 # LE64-NEXT: addi zero, zero, 0x0 # LE64-NEXT: addi zero, zero, 0x0 # LE64-NEXT: addi a0, zero, 0x8 # LE64-NEXT: add a0, a0, tp ## st_value(b) = 2047 # LE64-LABEL: <.Ltlsdesc_hi1>: # LE64-NEXT: addi zero, zero, 0x0 # LE64-NEXT: addi zero, zero, 0x0 # LE64-NEXT: addi zero, zero, 0x0 # LE64-NEXT: addi a0, zero, 0x7ff # LE64-NEXT: add a0, a0, tp ## st_value(c) = 2048 # LE64-LABEL: <.Ltlsdesc_hi2>: # LE64-NEXT: addi zero, zero, 0x0 # LE64-NEXT: addi zero, zero, 0x0 # LE64-NEXT: lui a0, 0x1 # LE64-NEXT: addi a0, a0, -0x800 # LE64-NEXT: add a0, a0, tp # IE64-RELA: .rela.dyn { # IE64-RELA-NEXT: 0x123B0 R_RISCV_TLS_TPREL64 c 0x0 # IE64-RELA-NEXT: } # IE64: .got 00000010 00000000000123a8 ## a and b are optimized to use LE. c is optimized to IE. # IE64-LABEL: <.Ltlsdesc_hi0>: # IE64-NEXT: addi zero, zero, 0x0 # IE64-NEXT: addi zero, zero, 0x0 # IE64-NEXT: addi zero, zero, 0x0 # IE64-NEXT: addi a0, zero, 0x8 # IE64-NEXT: add a0, a0, tp # IE64-LABEL: <.Ltlsdesc_hi1>: # IE64-NEXT: addi zero, zero, 0x0 # IE64-NEXT: addi zero, zero, 0x0 # IE64-NEXT: addi zero, zero, 0x0 # IE64-NEXT: addi a0, zero, 0x7ff # IE64-NEXT: add a0, a0, tp ## &.got[c]-. = 0x123a8+8 - 0x112b8 = 0x10f8 # IE64-LABEL: <.Ltlsdesc_hi2>: # IE64-NEXT: addi zero, zero, 0x0 # IE64-NEXT: addi zero, zero, 0x0 # IE64-NEXT: 112b8: auipc a0, 0x1 # IE64-NEXT: ld a0, 0xf8(a0) # IE64-NEXT: add a0, a0, tp # IE32: .got 00000008 00012248 # IE32-LABEL: <.Ltlsdesc_hi0>: ## st_value(a) = 8 # IE32-NEXT: addi zero, zero, 0x0 # IE32-NEXT: addi zero, zero, 0x0 # IE32-NEXT: addi zero, zero, 0x0 # IE32-NEXT: addi a0, zero, 0x8 # IE32-NEXT: add a0, a0, tp ## st_value(b) = 2047 # IE32-LABEL: <.Ltlsdesc_hi1>: # IE32-NEXT: addi zero, zero, 0x0 # IE32-NEXT: addi zero, zero, 0x0 # IE32-NEXT: addi zero, zero, 0x0 # IE32-NEXT: addi a0, zero, 0x7ff # IE32-NEXT: add a0, a0, tp ## &.got[c]-. = 0x12248+4 - 0x111cc = 0x1080 # IE32-LABEL: <.Ltlsdesc_hi2>: # IE32-NEXT: addi zero, zero, 0x0 # IE32-NEXT: addi zero, zero, 0x0 # IE32-NEXT: 111cc: auipc a0, 0x1 # IE32-NEXT: lw a0, 0x80(a0) # IE32-NEXT: add a0, a0, tp #--- a.s .macro load dst, src .ifdef ELF32 lw \dst, \src .else ld \dst, \src .endif .endm .Ltlsdesc_hi0: auipc a0, %tlsdesc_hi(a) load a1, %tlsdesc_load_lo(.Ltlsdesc_hi0)(a0) addi a0, a0, %tlsdesc_add_lo(.Ltlsdesc_hi0) jalr t0, 0(a1), %tlsdesc_call(.Ltlsdesc_hi0) add a0, a0, tp .Ltlsdesc_hi1: auipc a2, %tlsdesc_hi(b) load a3, %tlsdesc_load_lo(.Ltlsdesc_hi1)(a2) addi a0, a2, %tlsdesc_add_lo(.Ltlsdesc_hi1) jalr t0, 0(a3), %tlsdesc_call(.Ltlsdesc_hi1) add a0, a0, tp .Ltlsdesc_hi2: auipc a4, %tlsdesc_hi(c) load a5, %tlsdesc_load_lo(.Ltlsdesc_hi2)(a4) addi a0, a4, %tlsdesc_add_lo(.Ltlsdesc_hi2) jalr t0, 0(a5), %tlsdesc_call(.Ltlsdesc_hi2) add a0, a0, tp .section .tbss .globl a .zero 8 a: .zero 2039 ## Place b at 0x7ff b: .zero 1 #--- c.s .tbss .globl c c: .zero 4 #--- d.s .macro load dst, src .ifdef ELF32 lw \dst, \src .else ld \dst, \src .endif .endm .Ltlsdesc_hi0: auipc a0, %tlsdesc_hi(foo) load a1, %tlsdesc_load_lo(.Ltlsdesc_hi0)(a0) addi a0, a0, %tlsdesc_add_lo(.Ltlsdesc_hi0) jalr t0, 0(a1), %tlsdesc_call(.Ltlsdesc_hi0) add a1, a0, tp