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