1# REQUIRES: x86 2# RUN: llvm-mc -filetype=obj -triple=i386 %s -o %t.o 3# RUN: echo '.tbss; .globl c; c: .zero 4' | llvm-mc -filetype=obj -triple=i386 - -o %t1.o 4# RUN: ld.lld -shared -soname=t1.so %t1.o -o %t1.so 5 6# RUN: ld.lld -shared -z now %t.o %t1.o -o %t.so 7# RUN: llvm-readobj -r -x .got %t.so | FileCheck --check-prefix=GD-REL %s 8# RUN: llvm-objdump --no-print-imm-hex -h -d --no-show-raw-insn %t.so | FileCheck --check-prefix=GD %s 9 10# RUN: ld.lld -shared -z now %t.o %t1.o -o %t-rela.so -z rela 11# RUN: llvm-readobj -r -x .got %t-rela.so | FileCheck --check-prefix=GD-RELA %s 12 13# RUN: ld.lld -z now %t.o %t1.o -o %t 14# RUN: llvm-readelf -r %t | FileCheck --check-prefix=NOREL %s 15# RUN: llvm-objdump --no-print-imm-hex -h -d --no-show-raw-insn %t | FileCheck --check-prefix=LE %s 16 17# RUN: ld.lld -z now %t.o %t1.so -o %t 18# RUN: llvm-readobj -r %t | FileCheck --check-prefix=IE-REL %s 19# RUN: llvm-objdump --no-print-imm-hex -h -d --no-show-raw-insn %t | FileCheck --check-prefix=IE %s 20 21# GD-REL: .rel.dyn { 22# GD-REL-NEXT: 0x2258 R_386_TLS_DESC - 23# GD-REL-NEXT: 0x2248 R_386_TLS_DESC a 24# GD-REL-NEXT: 0x2250 R_386_TLS_DESC c 25# GD-REL-NEXT: } 26# GD-REL: Hex dump of section '.got': 27# GD-REL-NEXT: 0x00002248 00000000 00000000 00000000 00000000 28# GD-REL-NEXT: 0x00002258 00000000 0b000000 29 30# GD-RELA: .rela.dyn { 31# GD-RELA-NEXT: 0x2264 R_386_TLS_DESC - 0xB 32# GD-RELA-NEXT: 0x2254 R_386_TLS_DESC a 0x0 33# GD-RELA-NEXT: 0x225C R_386_TLS_DESC c 0x0 34# GD-RELA-NEXT: } 35# GD-RELA: Hex dump of section '.got': 36# GD-RELA-NEXT: 0x00002254 00000000 00000000 00000000 00000000 37# GD-RELA-NEXT: 0x00002264 00000000 00000000 38 39# GD: .got 00000018 00002248 40# GD: .got.plt 0000000c 00002260 41 42# &.rel.dyn[a]-.got.plt = 0x2248-0x2260 = -24 43# GD: leal -24(%ebx), %eax 44# GD-NEXT: calll *(%eax) 45# GD-NEXT: movl %gs:(%eax), %eax 46 47# &.rel.dyn[b]-.got.plt = 0x2258-0x2260 = -8 48# GD-NEXT: leal -8(%ebx), %eax 49# GD-NEXT: movl %edx, %ebx 50# GD-NEXT: calll *(%eax) 51# GD-NEXT: movl %gs:(%eax), %eax 52 53# &.rel.dyn[c]-.got.plt = 0x2250-0x2260 = -16 54# GD-NEXT: leal -16(%ebx), %eax 55# GD-NEXT: calll *(%eax) 56# GD-NEXT: movl %gs:(%eax), %eax 57 58# NOREL: no relocations 59 60## st_value(a) - tls_size = -8 61# LE: leal -8, %eax 62# LE-NEXT: nop 63# LE-NEXT: movl %gs:(%eax), %eax 64## st_value(b) - tls_size = -5 65# LE: leal -5, %eax 66# LE-NEXT: movl %edx, %ebx 67# LE-NEXT: nop 68# LE-NEXT: movl %gs:(%eax), %eax 69## st_value(c) - tls_size = -4 70# LE: leal -4, %eax 71# LE-NEXT: nop 72# LE-NEXT: movl %gs:(%eax), %eax 73 74# IE-REL: .rel.dyn { 75# IE-REL-NEXT: 0x40222C R_386_TLS_TPOFF c 76# IE-REL-NEXT: } 77 78# IE: .got 00000004 0040222c 79# IE: .got.plt 0000000c 00402230 80 81## a and b are relaxed to use LE. 82# IE: leal -4, %eax 83# IE-NEXT: nop 84# IE-NEXT: movl %gs:(%eax), %eax 85# IE-NEXT: leal -1, %eax 86# IE-NEXT: movl %edx, %ebx 87# IE-NEXT: nop 88# IE-NEXT: movl %gs:(%eax), %eax 89## &.got[a]-.got.plt = 0x2220 - 0x2224 = -4 90# IE-NEXT: movl -4(%ebx), %eax 91# IE-NEXT: nop 92# IE-NEXT: movl %gs:(%eax), %eax 93 94leal a@tlsdesc(%ebx), %eax 95call *a@tlscall(%eax) 96movl %gs:(%eax), %eax 97 98leal b@tlsdesc(%ebx), %eax 99movl %edx, %ebx # GCC -O0 may add an extra insn in between. 100call *b@tlscall(%eax) 101movl %gs:(%eax), %eax 102 103leal c@tlsdesc(%ebx), %eax 104call *c@tlscall(%eax) 105movl %gs:(%eax), %eax 106 107.section .tbss 108.globl a 109.zero 8 110a: 111.zero 3 112b: 113.zero 1 114