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// RUN: llvm-mc %s -o %t.o -filetype=obj -triple=armv7a-linux-gnueabi
// RUN: ld.lld %t.o -o %t.so -shared
// RUN: llvm-readobj -s -dyn-relocations %t.so | FileCheck --check-prefix=SEC %s
// RUN: llvm-objdump -d -triple=armv7a-linux-gnueabi %t.so | FileCheck %s
// REQUIRES: arm
// Test the handling of the global-dynamic TLS model. Dynamic Loader finds
// module index R_ARM_TLS_DTPMOD32 and the offset within the module
// R_ARM_TLS_DTPOFF32. One of the variables is hidden which permits relaxation
// to local dynamic
.text
.syntax unified
.globl func
.p2align 2
.type func,%function
func:
push {r4, r5, r11, lr}
add r11, sp, #8
ldr r0, .LCPI0_0
.LPC0_2:
add r0, pc, r0
bl __tls_get_addr
ldr r1, [r0]
ldr r2, .LCPI0_1
add r4, r1, #1
str r4, [r0]
.LPC0_1:
add r0, pc, r2
bl __tls_get_addr
ldr r1, [r0]
ldr r2, .LCPI0_2
add r5, r1, #1
str r5, [r0]
.LPC0_0:
add r0, pc, r2
bl __tls_get_addr
ldr r1, [r0]
add r1, r1, #1
str r1, [r0]
add r0, r1, r5
add r0, r0, r4
pop {r4, r5, r11, pc}
.p2align 2
.LCPI0_0:
.word x(TLSGD) + (. - .LPC0_2 - 8)
.LCPI0_1:
.word y(TLSGD) + (. - .LPC0_1 - 8)
.LCPI0_2:
.word z(TLSGD) + (. - .LPC0_0 - 8)
.Lfunc_end0:
.type x,%object @ @x
.section .tdata,"awT",%progbits
.globl x
.p2align 2
x:
.word 10 @ 0xa
.type y,%object @ @y
.section .tbss,"awT",%nobits
.globl y
.p2align 2
y:
.word 0
.hidden z
.type z,%object
.globl z
z:
.word 0
// SEC: Name: .tdata
// SEC-NEXT: Type: SHT_PROGBITS (0x1)
// SEC-NEXT: Flags [
// SEC-NEXT: SHF_ALLOC
// SEC-NEXT: SHF_TLS
// SEC-NEXT: SHF_WRITE
// SEC-NEXT: ]
// SEC-NEXT: Address: 0x2000
// SEC: Size: 4
// SEC: Name: .tbss
// SEC-NEXT: Type: SHT_NOBITS
// SEC-NEXT: Flags [
// SEC-NEXT: SHF_ALLOC
// SEC-NEXT: SHF_TLS
// SEC-NEXT: SHF_WRITE
// SEC-NEXT: ]
// SEC-NEXT: Address: 0x2004
// SEC: Size: 8
// SEC: Name: .got (74)
// SEC-NEXT: Type: SHT_PROGBITS (0x1)
// SEC-NEXT: Flags [
// SEC-NEXT: SHF_ALLOC
// SEC-NEXT: SHF_WRITE
// SEC-NEXT: ]
// SEC-NEXT: Address: 0x206C
// SEC: Size: 24
// SEC: Dynamic Relocations {
// SEC-NEXT: 0x207C R_ARM_TLS_DTPMOD32 -
// SEC-NEXT: 0x206C R_ARM_TLS_DTPMOD32 x
// SEC-NEXT: 0x2070 R_ARM_TLS_DTPOFF32 x
// SEC-NEXT: 0x2074 R_ARM_TLS_DTPMOD32 y
// SEC-NEXT: 0x2078 R_ARM_TLS_DTPOFF32 y
// SEC-NEXT: 0x300C R_ARM_JUMP_SLOT __tls_get_addr
// CHECK: Disassembly
// CHECK-NEXT: func:
// CHECK-NEXT: 1000: 30 48 2d e9 push {r4, r5, r11, lr}
// CHECK-NEXT: 1004: 08 b0 8d e2 add r11, sp, #8
// CHECK-NEXT: 1008: 4c 00 9f e5 ldr r0, [pc, #76]
// .LPC0_2:
// CHECK-NEXT: 100c: 00 00 8f e0 add r0, pc, r0
// 0x1010 + 8 + 0x6c = 0x1084 = __tls_get_addr(PLT)
// CHECK-NEXT: 1010: 1b 00 00 eb bl #108
// CHECK-NEXT: 1014: 00 10 90 e5 ldr r1, [r0]
// CHECK-NEXT: 1018: 40 20 9f e5 ldr r2, [pc, #64]
// CHECK-NEXT: 101c: 01 40 81 e2 add r4, r1, #1
// CHECK-NEXT: 1020: 00 40 80 e5 str r4, [r0]
// .LPC0_1:
// CHECK-NEXT: 1024: 02 00 8f e0 add r0, pc, r2
// 0x1028 + 8 + 0x54 = 0x1084 = __tls_get_addr(PLT)
// CHECK-NEXT: 1028: 15 00 00 eb bl #84
// CHECK-NEXT: 102c: 00 10 90 e5 ldr r1, [r0]
// CHECK-NEXT: 1030: 2c 20 9f e5 ldr r2, [pc, #44]
// CHECK-NEXT: 1034: 01 50 81 e2 add r5, r1, #1
// CHECK-NEXT: 1038: 00 50 80 e5 str r5, [r0]
// .LPC0_0:
// CHECK-NEXT: 103c: 02 00 8f e0 add r0, pc, r2
// 0x1040 + 8 + 0x3c = 0x1084 = __tls_get_addr(PLT)
// CHECK-NEXT: 1040: 0f 00 00 eb bl #60
// CHECK-NEXT: 1044: 00 10 90 e5 ldr r1, [r0]
// CHECK-NEXT: 1048: 01 10 81 e2 add r1, r1, #1
// CHECK-NEXT: 104c: 00 10 80 e5 str r1, [r0]
// CHECK-NEXT: 1050: 05 00 81 e0 add r0, r1, r5
// CHECK-NEXT: 1054: 04 00 80 e0 add r0, r0, r4
// CHECK-NEXT: 1058: 30 88 bd e8 pop {r4, r5, r11, pc}
// (0x206c - 0x105c) - (0x105c - 0x100c - 8) = 0x1058
// CHECK: 105c: 58 10 00 00
// (0x2074 - 0x1060) - (0x1060 - 0x1024 - 8) = 0x1048
// CHECK-NEXT: 1060: 48 10 00 00
// (0x207c - 0x1064) - (0x1064 - 0x103c - 8) = 0x1038
// CHECK-NEXT: 1064: 38 10 00 00
// CHECK: Disassembly of section .plt:
// CHECK-NEXT: .plt:
// CHECK-NEXT: 1070: 04 e0 2d e5 str lr, [sp, #-4]!
// CHECK-NEXT: 1074: 04 e0 9f e5 ldr lr, [pc, #4]
// CHECK-NEXT: 1078: 0e e0 8f e0 add lr, pc, lr
// CHECK-NEXT: 107c: 08 f0 be e5 ldr pc, [lr, #8]!
// CHECK-NEXT: 1080: 80 1f 00 00
// CHECK-NEXT: 1084: 04 c0 9f e5 ldr r12, [pc, #4]
// CHECK-NEXT: 1088: 0f c0 8c e0 add r12, r12, pc
// CHECK-NEXT: 108c: 00 f0 9c e5 ldr pc, [r12]
// CHECK-NEXT: 1090: 7c 1f 00 00
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