| # REQUIRES: riscv |
| # RUN: echo '.tbss; .globl b, c; b: .zero 4; c:' > %t.s |
| # RUN: echo '.globl __tls_get_addr; __tls_get_addr:' > %tga.s |
| |
| ## RISC-V psABI doesn't specify TLS relaxation. Though the code sequences are not |
| ## relaxed, dynamic relocations can be omitted for GD->LE relaxation. |
| |
| # RUN: llvm-mc -filetype=obj -triple=riscv32 %s -o %t.32.o |
| # RUN: llvm-mc -filetype=obj -triple=riscv32 %t.s -o %t1.32.o |
| # RUN: ld.lld -shared -soname=t1.so %t1.32.o -o %t1.32.so |
| # RUN: llvm-mc -filetype=obj -triple=riscv32 %tga.s -o %tga.32.o |
| ## rv32 GD |
| # RUN: ld.lld -shared %t.32.o %t1.32.o -o %t.32.so |
| # RUN: llvm-readobj -r %t.32.so | FileCheck --check-prefix=GD32-REL %s |
| # RUN: llvm-objdump -d --no-show-raw-insn %t.32.so | FileCheck --check-prefix=GD32 %s |
| ## rv32 GD -> LE |
| # RUN: ld.lld %t.32.o %t1.32.o %tga.32.o -o %t.32 |
| # RUN: llvm-readelf -r %t.32 | FileCheck --check-prefix=NOREL %s |
| # RUN: llvm-readelf -x .got %t.32 | FileCheck --check-prefix=LE32-GOT %s |
| # RUN: ld.lld -pie %t.32.o %t1.32.o %tga.32.o -o %t.32 |
| # RUN: llvm-readelf -r %t.32 | FileCheck --check-prefix=NOREL %s |
| # RUN: llvm-readelf -x .got %t.32 | FileCheck --check-prefix=LE32-GOT %s |
| ## rv32 GD -> IE |
| # RUN: ld.lld %t.32.o %t1.32.so %tga.32.o -o %t.32 |
| # RUN: llvm-readobj -r %t.32 | FileCheck --check-prefix=IE32-REL %s |
| # RUN: llvm-readelf -x .got %t.32 | FileCheck --check-prefix=IE32-GOT %s |
| |
| # RUN: llvm-mc -filetype=obj -triple=riscv64 %s -o %t.64.o |
| # RUN: llvm-mc -filetype=obj -triple=riscv64 %t.s -o %t1.64.o |
| # RUN: ld.lld -shared -soname=t1.so %t1.64.o -o %t1.64.so |
| # RUN: llvm-mc -filetype=obj -triple=riscv64 %tga.s -o %tga.64.o |
| ## rv64 GD |
| # RUN: ld.lld -shared %t.64.o %t1.64.o -o %t.64.so |
| # RUN: llvm-readobj -r %t.64.so | FileCheck --check-prefix=GD64-REL %s |
| # RUN: llvm-objdump -d --no-show-raw-insn %t.64.so | FileCheck --check-prefix=GD64 %s |
| ## rv64 GD -> LE |
| # RUN: ld.lld %t.64.o %t1.64.o %tga.64.o -o %t.64 |
| # RUN: llvm-readelf -r %t.64 | FileCheck --check-prefix=NOREL %s |
| # RUN: llvm-readelf -x .got %t.64 | FileCheck --check-prefix=LE64-GOT %s |
| # RUN: ld.lld -pie %t.64.o %t1.64.o %tga.64.o -o %t.64 |
| # RUN: llvm-readelf -r %t.64 | FileCheck --check-prefix=NOREL %s |
| # RUN: llvm-readelf -x .got %t.64 | FileCheck --check-prefix=LE64-GOT %s |
| ## rv64 GD -> IE |
| # RUN: ld.lld %t.64.o %t1.64.so %tga.64.o -o %t.64 |
| # RUN: llvm-readobj -r %t.64 | FileCheck --check-prefix=IE64-REL %s |
| # RUN: llvm-readelf -x .got %t.64 | FileCheck --check-prefix=IE64-GOT %s |
| |
| # GD32-REL: .rela.dyn { |
| # GD32-REL-NEXT: 0x2310 R_RISCV_TLS_DTPMOD32 a 0x0 |
| # GD32-REL-NEXT: 0x2314 R_RISCV_TLS_DTPREL32 a 0x0 |
| # GD32-REL-NEXT: 0x2318 R_RISCV_TLS_DTPMOD32 b 0x0 |
| # GD32-REL-NEXT: 0x231C R_RISCV_TLS_DTPREL32 b 0x0 |
| # GD32-REL-NEXT: } |
| |
| ## &DTPMOD(a) - . = 0x2310 - 0x1250 = 4096*1+192 |
| # GD32: 1250: auipc a0, 1 |
| # GD32-NEXT: addi a0, a0, 192 |
| # GD32-NEXT: auipc ra, 0 |
| # GD32-NEXT: jalr 56(ra) |
| |
| ## &DTPMOD(b) - . = 0x2318 - 0x1260 = 4096*1+184 |
| # GD32: 1260: auipc a0, 1 |
| # GD32-NEXT: addi a0, a0, 184 |
| # GD32-NEXT: auipc ra, 0 |
| # GD32-NEXT: jalr 40(ra) |
| |
| # GD64-REL: .rela.dyn { |
| # GD64-REL-NEXT: 0x24D0 R_RISCV_TLS_DTPMOD64 a 0x0 |
| # GD64-REL-NEXT: 0x24D8 R_RISCV_TLS_DTPREL64 a 0x0 |
| # GD64-REL-NEXT: 0x24E0 R_RISCV_TLS_DTPMOD64 b 0x0 |
| # GD64-REL-NEXT: 0x24E8 R_RISCV_TLS_DTPREL64 b 0x0 |
| # GD64-REL-NEXT: } |
| |
| ## &DTPMOD(a) - . = 0x24d0 - 0x1398 = 4096*1+312 |
| # GD64: 1398: auipc a0, 1 |
| # GD64-NEXT: addi a0, a0, 312 |
| # GD64-NEXT: auipc ra, 0 |
| # GD64-NEXT: jalr 64(ra) |
| |
| ## &DTPMOD(b) - . = 0x24e0 - 0x13a8 = 4096*1+312 |
| # GD64: 13a8: auipc a0, 1 |
| # GD64-NEXT: addi a0, a0, 312 |
| # GD64-NEXT: auipc ra, 0 |
| # GD64-NEXT: jalr 48(ra) |
| |
| # NOREL: no relocations |
| |
| ## .got contains pre-populated values: [a@dtpmod, a@dtprel, b@dtpmod, b@dtprel] |
| ## a@dtprel = st_value(a)-0x800 = 0xfffff808 |
| ## b@dtprel = st_value(b)-0x800 = 0xfffff80c |
| # LE32-GOT: section '.got': |
| # LE32-GOT-NEXT: 0x{{[0-9a-f]+}} 01000000 08f8ffff 01000000 0cf8ffff |
| # LE64-GOT: section '.got': |
| # LE64-GOT-NEXT: 0x{{[0-9a-f]+}} 01000000 00000000 08f8ffff ffffffff |
| # LE64-GOT-NEXT: 0x{{[0-9a-f]+}} 01000000 00000000 0cf8ffff ffffffff |
| |
| ## a is local - relaxed to LE - its DTPMOD/DTPREL slots are link-time constants. |
| ## b is external - DTPMOD/DTPREL dynamic relocations are required. |
| # IE32-REL: .rela.dyn { |
| # IE32-REL-NEXT: 0x12230 R_RISCV_TLS_DTPMOD32 b 0x0 |
| # IE32-REL-NEXT: 0x12234 R_RISCV_TLS_DTPREL32 b 0x0 |
| # IE32-REL-NEXT: } |
| # IE32-GOT: section '.got': |
| # IE32-GOT-NEXT: 0x00012228 01000000 08f8ffff 00000000 00000000 |
| |
| # IE64-REL: .rela.dyn { |
| # IE64-REL-NEXT: 0x12390 R_RISCV_TLS_DTPMOD64 b 0x0 |
| # IE64-REL-NEXT: 0x12398 R_RISCV_TLS_DTPREL64 b 0x0 |
| # IE64-REL-NEXT: } |
| # IE64-GOT: section '.got': |
| # IE64-GOT-NEXT: 0x00012380 01000000 00000000 08f8ffff ffffffff |
| # IE64-GOT-NEXT: 0x00012390 00000000 00000000 00000000 00000000 |
| |
| la.tls.gd a0,a |
| call __tls_get_addr@plt |
| |
| la.tls.gd a0,b |
| call __tls_get_addr@plt |
| |
| .section .tbss |
| .globl a |
| .zero 8 |
| a: |
| .zero 4 |
