# REQUIRES: loongarch # RUN: rm -rf %t && split-file %s %t && cd %t # RUN: llvm-mc -filetype=obj -triple=loongarch64 a.s -o a.64.o # RUN: llvm-mc -filetype=obj -triple=loongarch64 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=loongarch32 --defsym ELF32=1 a.s -o a.32.o # RUN: llvm-mc -filetype=obj -triple=loongarch32 --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 -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 ## Transition from TLSDESC to IE/LE. # RUN: ld.lld -e 0 -z now a.64.o c.64.o -o a.64.le # RUN: llvm-readobj -r -x .got a.64.le 2>&1 | FileCheck --check-prefix=LE64-RELA %s # RUN: llvm-objdump --no-show-raw-insn -d a.64.le | FileCheck --check-prefix=LE64 %s # RUN: ld.lld -e 0 -z now a.64.o c.64.so -o a.64.ie # RUN: llvm-readobj -r -x .got a.64.ie | FileCheck --check-prefix=IE64-RELA %s # RUN: llvm-objdump --no-show-raw-insn -d a.64.ie | FileCheck --check-prefix=IE64 %s ## 32-bit code is mostly the same. We only test a few variants. # 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: llvm-objdump --no-show-raw-insn -h -d rel.32.so | FileCheck %s --check-prefix=GD32 # GD64-RELA: .rela.dyn { # GD64-RELA-NEXT: 0x20400 R_LARCH_TLS_DESC64 - 0x7FF # GD64-RELA-NEXT: 0x203E0 R_LARCH_TLS_DESC64 a 0x0 # GD64-RELA-NEXT: 0x203F0 R_LARCH_TLS_DESC64 c 0x0 # GD64-RELA-NEXT: } # GD64-RELA: Hex dump of section '.got': # GD64-RELA-NEXT: 0x000203e0 00000000 00000000 00000000 00000000 . # GD64-RELA-NEXT: 0x000203f0 00000000 00000000 00000000 00000000 . # GD64-RELA-NEXT: 0x00020400 00000000 00000000 00000000 00000000 . # GD64-REL: .rel.dyn { # GD64-REL-NEXT: 0x203E8 R_LARCH_TLS_DESC64 - # GD64-REL-NEXT: 0x203C8 R_LARCH_TLS_DESC64 a # GD64-REL-NEXT: 0x203D8 R_LARCH_TLS_DESC64 c # GD64-REL-NEXT: } # GD64-REL: Hex dump of section '.got': # GD64-REL-NEXT: 0x000203c8 00000000 00000000 00000000 00000000 . # GD64-REL-NEXT: 0x000203d8 00000000 00000000 00000000 00000000 . # GD64-REL-NEXT: 0x000203e8 00000000 00000000 ff070000 00000000 . # GD64: .got 00000030 00000000000203e0 ## &.got[a]-. = 0x203e0 - 0x102e0: 0x10 pages, page offset 0x3e0 # GD64: 102e0: pcalau12i $a0, 16 # GD64-NEXT: addi.d $a0, $a0, 992 # GD64-NEXT: ld.d $ra, $a0, 0 # GD64-NEXT: jirl $ra, $ra, 0 # GD64-NEXT: add.d $a1, $a0, $tp ## &.got[b]-. = 0x203e0+32 - 0x102f4: 0x10 pages, page offset 0x400 # GD64: 102f4: pcalau12i $a0, 16 # GD64-NEXT: addi.d $a0, $a0, 1024 # GD64-NEXT: ld.d $ra, $a0, 0 # GD64-NEXT: jirl $ra, $ra, 0 # GD64-NEXT: add.d $a2, $a0, $tp ## &.got[c]-. = 0x203e0+16 - 0x10308: 0x10 pages, page offset 0x3f0 # GD64: 10308: pcalau12i $a0, 16 # GD64-NEXT: addi.d $a0, $a0, 1008 # GD64-NEXT: ld.d $ra, $a0, 0 # GD64-NEXT: jirl $ra, $ra, 0 # GD64-NEXT: add.d $a3, $a0, $tp # LE64-RELA: could not find section '.got' # LE64-LABEL: <.text>: ## st_value(a) = 8 # LE64-NEXT: nop # LE64-NEXT: nop # LE64-NEXT: nop # LE64-NEXT: ori $a0, $zero, 8 # LE64-NEXT: add.d $a1, $a0, $tp ## st_value(b) = 2047 # LE64-NEXT: nop # LE64-NEXT: nop # LE64-NEXT: nop # LE64-NEXT: ori $a0, $zero, 2047 # LE64-NEXT: add.d $a2, $a0, $tp ## st_value(c) = 2048 # LE64-NEXT: nop # LE64-NEXT: nop # LE64-NEXT: nop # LE64-NEXT: ori $a0, $zero, 2048 # LE64-NEXT: add.d $a3, $a0, $tp # IE64-RELA: .rela.dyn { # IE64-RELA-NEXT: 0x303A8 R_LARCH_TLS_TPREL64 c 0x0 # IE64-RELA-NEXT: } # IE64-RELA: Hex dump of section '.got': # IE64-RELA-NEXT: 0x000303a8 00000000 00000000 . ## a and b are optimized to use LE. c is optimized to IE. # IE64-LABEL: <.text>: # IE64-NEXT: nop # IE64-NEXT: nop # IE64-NEXT: nop # IE64-NEXT: ori $a0, $zero, 8 # IE64-NEXT: add.d $a1, $a0, $tp # IE64-NEXT: nop # IE64-NEXT: nop # IE64-NEXT: nop # IE64-NEXT: ori $a0, $zero, 2047 # IE64-NEXT: add.d $a2, $a0, $tp ## &.got[c]-. = 0x303a8 - 0x202b8: 0x10 pages, page offset 0x3a8 # IE64-NEXT: nop # IE64-NEXT: nop # IE64-NEXT: 202b8: pcalau12i $a0, 16 # IE64-NEXT: ld.d $a0, $a0, 936 # IE64-NEXT: add.d $a3, $a0, $tp # GD32-REL: .rel.dyn { # GD32-REL-NEXT: 0x20270 R_LARCH_TLS_DESC32 - # GD32-REL-NEXT: 0x20260 R_LARCH_TLS_DESC32 a # GD32-REL-NEXT: 0x20268 R_LARCH_TLS_DESC32 c # GD32-REL-NEXT: } # GD32-REL: Hex dump of section '.got': # GD32-REL-NEXT: 0x00020260 00000000 00000000 00000000 00000000 . # GD32-REL-NEXT: 0x00020270 00000000 ff070000 . # GD32: .got 00000018 00020260 ## &.got[a]-. = 0x20260 - 0x101c4 # GD32: 101c4: pcaddu12i $a0, 32 # GD32-NEXT: addi.w $a0, $a0, 608 # GD32-NEXT: ld.w $ra, $a0, 0 # GD32-NEXT: jirl $ra, $ra, 0 # GD32-NEXT: add.w $a1, $a0, $tp ## &.got[b]-. = 0x20260+16 - 0x101d8 # GD32: 101d8: pcaddu12i $a0, 32 # GD32-NEXT: addi.w $a0, $a0, 624 # GD32-NEXT: ld.w $ra, $a0, 0 # GD32-NEXT: jirl $ra, $ra, 0 # GD32-NEXT: add.w $a2, $a0, $tp ## &.got[c]-. = 0x20260+8 - 0x101ec # GD32: 101ec: pcaddu12i $a0, 32 # GD32-NEXT: addi.w $a0, $a0, 616 # GD32-NEXT: ld.w $ra, $a0, 0 # GD32-NEXT: jirl $ra, $ra, 0 # GD32-NEXT: add.w $a3, $a0, $tp #--- a.s .macro add dst, src1, src2 .ifdef ELF32 add.w \dst, \src1, \src2 .else add.d \dst, \src1, \src2 .endif .endm la.tls.desc $a0, a add $a1, $a0, $tp la.tls.desc $a0, b add $a2, $a0, $tp la.tls.desc $a0, c add $a3, $a0, $tp .section .tbss,"awT",@nobits .globl a .zero 8 a: .zero 2039 ## Place b at 0x7ff b: .zero 1 #--- c.s .section .tbss,"awT",@nobits .globl c c: .zero 4