73 lines
1.8 KiB
ArmAsm
73 lines
1.8 KiB
ArmAsm
// REQUIRES: arm
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// RUN: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t
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// RUN: ld.lld %t -o %t2
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// RUN: llvm-mc %s -o %t.o -filetype=obj -triple=armv7a-linux-gnueabi
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// RUN: llvm-objdump -s %t2 | FileCheck %s
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// RUN: ld.lld --hash-style=sysv %t --shared -o %t3.so
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// RUN: llvm-objdump -s %t3.so | FileCheck -check-prefix=CHECK-SHARED %s
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// For an executable, we write the module index 1 and the offset into the TLS
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// directly into the GOT. For a shared library we can only write the offset
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// into the TLS directly if the symbol is non-preemptible
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.text
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.syntax unified
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.globl __tls_get_addr
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.type __tls_get_addr,%function
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__tls_get_addr:
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bx lr
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.globl _start
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.p2align 2
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.type _start,%function
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func:
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.L0:
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nop
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.L1:
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nop
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.L2:
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nop
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.L3:
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nop
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.p2align 2
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// Generate R_ARM_TLS_GD32 relocations
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// These can be resolved at static link time for executables as 1 is always the
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// module index and the offset into tls is known at static link time
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.Lt0: .word x1(TLSGD) + (. - .L0 - 8)
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.Lt1: .word x2(TLSGD) + (. - .L1 - 8)
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.Lt2: .word x3(TLSGD) + (. - .L2 - 8)
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.Lt3: .word x4(TLSGD) + (. - .L3 - 8)
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.hidden x1
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.globl x1
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.hidden x2
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.globl x2
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.globl x3
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.globl x4
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.section .tdata,"awT",%progbits
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.p2align 2
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.TLSSTART:
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.type x1, %object
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x1:
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.word 10
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.type x2, %object
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x2:
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.word 20
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.section .tbss,"awT",%nobits
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.p2align 2
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.type x3, %object
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x3:
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.space 4
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.type x4, %object
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x4:
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.space 4
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// CHECK: Contents of section .got:
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// CHECK-NEXT: 12008 01000000 00000000 01000000 04000000
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// CHECK-NEXT: 12018 01000000 08000000 01000000 0c000000
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// CHECK-SHARED: Contents of section .got:
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// CHECK-SHARED-NEXT: 2050 00000000 00000000 00000000 04000000
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// CHECK-SHARED-NEXT: 2060 00000000 00000000 00000000 00000000
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