1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175
|
// REQUIRES: ppc
// RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %s -o %t.o
// RUN: ld.lld %t.o -o %t
// RUN: llvm-readelf -r %t.o | FileCheck --check-prefix=InputRelocs %s
// RUN: llvm-objdump -d %t | FileCheck --check-prefix=Dis %s
// RUN: not ld.lld -shared %t.o -o /dev/null 2>&1 | FileCheck %s --check-prefix=ERR
/// Reject local-exec TLS relocations for -shared.
// ERR: error: relocation R_PPC64_TPREL16_HA against a cannot be used with -shared
// ERR: error: relocation R_PPC64_TPREL16_LO against a cannot be used with -shared
// ERR: error: relocation R_PPC64_TPREL16 against b cannot be used with -shared
// ERR: error: relocation R_PPC64_TPREL16_HI against b cannot be used with -shared
// ERR: error: relocation R_PPC64_TPREL16_DS against b cannot be used with -shared
// ERR: error: relocation R_PPC64_TPREL16_LO_DS against b cannot be used with -shared
// ERR: error: relocation R_PPC64_TPREL16_HIGHESTA against b cannot be used with -shared
// ERR: error: relocation R_PPC64_TPREL16_HIGHERA against b cannot be used with -shared
.text
.abiversion 2
.globl test_local_exec # -- Begin function test_local_exec
.p2align 4
.type test_local_exec,@function
test_local_exec: # @test_local_exec
.Lfunc_begin0:
# %bb.0: # %entry
li 3, 0
stw 3, -12(1)
addis 3, 13, a@tprel@ha
addi 3, 3, a@tprel@l
ld 3, 0(3)
mr 4, 3
extsw 3, 4
blr
.long 0
.quad 0
.Lfunc_end0:
.size test_local_exec, .Lfunc_end0-.Lfunc_begin0
# -- End function
test_tprel:
.Lfunc_gep1:
addis 2, 12, .TOC.-.Lfunc_gep1@ha
addi 2, 2, .TOC.-.Lfunc_gep1@l
.Lfunc_lep1:
.localentry test_tprel, .Lfunc_lep1-.Lfunc_gep1
addi 3, 13, b@tprel
blr
test_hi:
.Lfunc_gep2:
addis 2, 12, .TOC.-.Lfunc_gep2@ha
addi 2, 2, .TOC.-.Lfunc_gep2@l
.Lfunc_lep2:
.localentry test_hi, .Lfunc_lep2-.Lfunc_gep2
addis 3, 13, b@tprel@h
blr
test_ds:
.Lfunc_gep3:
addis 2, 12, .TOC.-.Lfunc_gep3@ha
addi 2, 2, .TOC.-.Lfunc_gep3@l
.Lfunc_lep3:
.localentry test_ds, .Lfunc_lep3-.Lfunc_gep3
ld 3, b@tprel, 13
blr
test_lo_ds:
.Lfunc_gep4:
addis 2, 12, .TOC.-.Lfunc_gep4@ha
addi 2, 2, .TOC.-.Lfunc_gep4@l
.Lfunc_lep4:
.localentry test_lo_ds, .Lfunc_lep4-.Lfunc_gep4
ld 3, b@tprel@l, 13
blr
test_highest_a:
.Lfunc_gep5:
addis 2, 12, .TOC.-.Lfunc_gep5@ha
addi 2, 2, .TOC.-.Lfunc_gep5@l
.Lfunc_lep5:
.localentry test_highest_a, .Lfunc_lep5-.Lfunc_gep5
lis 4, b@tprel@highesta
ori 4, 4, b@tprel@highera
lis 5, b@tprel@ha
addi 5, 5, b@tprel@l
sldi 4, 4, 32
or 4, 4, 5
add 3, 13, 4
blr
test_highest:
.Lfunc_gep6:
addis 2, 12, .TOC.-.Lfunc_gep6@ha
addi 2, 2, .TOC.-.Lfunc_gep6@l
.Lfunc_lep6:
.localentry test_highest, .Lfunc_lep6-.Lfunc_gep6
lis 4, b@tprel@highest
ori 4, 4, b@tprel@higher
sldi 4, 4, 32
oris 4, 4, b@tprel@h
ori 4, 4, b@tprel@l
add 3, 13, 4
blr
.type a,@object # @a
.type b,@object # @b
.section .tdata,"awT",@progbits
.p2align 3
a:
.quad 55 # 0x37
.size a, 8
b:
.quad 55 # 0x37
.size b, 8
// Verify that the input has every initial-exec tls relocation type.
// InputRelocs: Relocation section '.rela.text'
// InputRelocs: R_PPC64_TPREL16_HA {{0+}} a + 0
// InputRelocs: R_PPC64_TPREL16_LO {{0+}} a + 0
// InputRelocs: R_PPC64_TPREL16 {{0+8}} b + 0
// InputRelocs: R_PPC64_TPREL16_HI {{0+8}} b + 0
// InputRelocs: R_PPC64_TPREL16_DS {{0+8}} b + 0
// InputRelocs: R_PPC64_TPREL16_LO_DS {{0+8}} b + 0
// InputRelocs: R_PPC64_TPREL16_HIGHESTA {{0+8}} b + 0
// InputRelocs: R_PPC64_TPREL16_HIGHERA {{0+8}} b + 0
// InputRelocs: R_PPC64_TPREL16_HIGHEST {{0+8}} b + 0
// InputRelocs: R_PPC64_TPREL16_HIGHER {{0+8}} b + 0
// The start of the TLS storage area is 0x7000 bytes before the thread pointer (r13).
// We are building the address of the first TLS variable, relative to the thread pointer.
// #ha(a@tprel) --> (0 - 0x7000 + 0x8000) >> 16 = 0
// #lo(a@tprel)) --> (0 - 0x7000) & 0xFFFF = -0x7000 = -28672
// Dis: <test_local_exec>:
// Dis: addis 3, 13, 0
// Dis: addi 3, 3, -28672
// We are building the offset for the second TLS variable
// Offset within tls storage - 0x7000
// b@tprel = 8 - 0x7000 = 28664
// Dis: <test_tprel>:
// Dis: addi 3, 13, -28664
// #hi(b@tprel) --> (8 - 0x7000) >> 16 = -1
// Dis: <test_hi>:
// Dis: addis 3, 13, -1
// b@tprel = 8 - 0x7000 = -28664
// Dis: <test_ds>:
// Dis: ld 3, -28664(13)
// #lo(b@tprel) --> (8 - 0x7000) & 0xFFFF = -28664
// Dis: <test_lo_ds>:
// Dis: ld 3, -28664(13)
// #highesta(b@tprel) --> ((0x8 - 0x7000 + 0x8000) >> 48) & 0xFFFF = 0
// #highera(b@tprel) --> ((0x8 - 0x7000 + 0x8000) >> 32) & 0xFFFF = 0
// #ha(k@dtprel) --> ((0x8 - 0x7000 + 0x8000) >> 16) & 0xFFFF = 0
// #lo(k@dtprel) --> ((0x8 - 0x7000) & 0xFFFF = -28664
// Dis: <test_highest_a>:
// Dis: lis 4, 0
// Dis: ori 4, 4, 0
// Dis: lis 5, 0
// Dis: addi 5, 5, -28664
// #highest(b@tprel) --> ((0x8 - 0x7000) >> 48) & 0xFFFF = 0xFFFF = -1
// #higher(b@tprel) --> ((0x8 - 0x7000) >> 32) & 0xFFFF = 0xFFFF = 65535
// #hi(k@dtprel) --> ((0x8 - 0x7000) >> 16) & 0xFFFF = 0xFFFF = 65535
// #lo(k@dtprel) --> ((0x8 - 0x7000) & 0xFFFF = 33796
// Dis: <test_highest>:
// Dis: lis 4, -1
// Dis: ori 4, 4, 65535
// Dis: oris 4, 4, 65535
// Dis: ori 4, 4, 36872
|