forked from OSchip/llvm-project
114 lines
3.2 KiB
ArmAsm
114 lines
3.2 KiB
ArmAsm
# REQUIRES: x86
|
|
# RUN: llvm-mc -filetype=obj -triple=i386 %s -o %t.o
|
|
# RUN: echo '.tbss; .globl c; c: .zero 4' | llvm-mc -filetype=obj -triple=i386 - -o %t1.o
|
|
# RUN: ld.lld -shared -soname=t1.so %t1.o -o %t1.so
|
|
|
|
# RUN: ld.lld -shared -z now %t.o %t1.o -o %t.so
|
|
# RUN: llvm-readobj -r -x .got %t.so | FileCheck --check-prefix=GD-REL %s
|
|
# RUN: llvm-objdump -h -d --no-show-raw-insn %t.so | FileCheck --check-prefix=GD %s
|
|
|
|
# RUN: ld.lld -shared -z now %t.o %t1.o -o %t-rela.so -z rela
|
|
# RUN: llvm-readobj -r -x .got %t-rela.so | FileCheck --check-prefix=GD-RELA %s
|
|
|
|
# RUN: ld.lld -z now %t.o %t1.o -o %t
|
|
# RUN: llvm-readelf -r %t | FileCheck --check-prefix=NOREL %s
|
|
# RUN: llvm-objdump -h -d --no-show-raw-insn %t | FileCheck --check-prefix=LE %s
|
|
|
|
# RUN: ld.lld -z now %t.o %t1.so -o %t
|
|
# RUN: llvm-readobj -r %t | FileCheck --check-prefix=IE-REL %s
|
|
# RUN: llvm-objdump -h -d --no-show-raw-insn %t | FileCheck --check-prefix=IE %s
|
|
|
|
# GD-REL: .rel.dyn {
|
|
# GD-REL-NEXT: 0x2250 R_386_TLS_DESC -
|
|
# GD-REL-NEXT: 0x2248 R_386_TLS_DESC a
|
|
# GD-REL-NEXT: 0x2258 R_386_TLS_DESC c
|
|
# GD-REL-NEXT: }
|
|
# GD-REL: Hex dump of section '.got':
|
|
# GD-REL-NEXT: 0x00002248 00000000 00000000 00000000 0b000000
|
|
# GD-REL-NEXT: 0x00002258 00000000 00000000
|
|
|
|
# GD-RELA: .rela.dyn {
|
|
# GD-RELA-NEXT: 0x225C R_386_TLS_DESC - 0xB
|
|
# GD-RELA-NEXT: 0x2254 R_386_TLS_DESC a 0x0
|
|
# GD-RELA-NEXT: 0x2264 R_386_TLS_DESC c 0x0
|
|
# GD-RELA-NEXT: }
|
|
# GD-RELA: Hex dump of section '.got':
|
|
# GD-RELA-NEXT: 0x00002254 00000000 00000000 00000000 00000000
|
|
# GD-RELA-NEXT: 0x00002264 00000000 00000000
|
|
|
|
# GD: .got 00000018 00002248
|
|
# GD: .got.plt 0000000c 00002260
|
|
|
|
# &.rel.dyn[a]-.got.plt = 0x2248-0x2260 = -24
|
|
# GD: leal -24(%ebx), %eax
|
|
# GD-NEXT: calll *(%eax)
|
|
# GD-NEXT: movl %gs:(%eax), %eax
|
|
|
|
# &.rel.dyn[b]-.got.plt = 0x2250-0x2260 = -16
|
|
# GD-NEXT: leal -16(%ebx), %eax
|
|
# GD-NEXT: movl %edx, %ebx
|
|
# GD-NEXT: calll *(%eax)
|
|
# GD-NEXT: movl %gs:(%eax), %eax
|
|
|
|
# &.rel.dyn[c]-.got.plt = 0x2258-0x2260 = -8
|
|
# GD-NEXT: leal -8(%ebx), %eax
|
|
# GD-NEXT: calll *(%eax)
|
|
# GD-NEXT: movl %gs:(%eax), %eax
|
|
|
|
# NOREL: no relocations
|
|
|
|
## st_value(a) - tls_size = -8
|
|
# LE: leal -8, %eax
|
|
# LE-NEXT: nop
|
|
# LE-NEXT: movl %gs:(%eax), %eax
|
|
## st_value(b) - tls_size = -5
|
|
# LE: leal -5, %eax
|
|
# LE-NEXT: movl %edx, %ebx
|
|
# LE-NEXT: nop
|
|
# LE-NEXT: movl %gs:(%eax), %eax
|
|
## st_value(c) - tls_size = -4
|
|
# LE: leal -4, %eax
|
|
# LE-NEXT: nop
|
|
# LE-NEXT: movl %gs:(%eax), %eax
|
|
|
|
# IE-REL: .rel.dyn {
|
|
# IE-REL-NEXT: 0x40222C R_386_TLS_TPOFF c
|
|
# IE-REL-NEXT: }
|
|
|
|
# IE: .got 00000004 0040222c
|
|
# IE: .got.plt 0000000c 00402230
|
|
|
|
## a and b are relaxed to use LE.
|
|
# IE: leal -4, %eax
|
|
# IE-NEXT: nop
|
|
# IE-NEXT: movl %gs:(%eax), %eax
|
|
# IE-NEXT: leal -1, %eax
|
|
# IE-NEXT: movl %edx, %ebx
|
|
# IE-NEXT: nop
|
|
# IE-NEXT: movl %gs:(%eax), %eax
|
|
## &.got[a]-.got.plt = 0x2220 - 0x2224 = -4
|
|
# IE-NEXT: movl -4(%ebx), %eax
|
|
# IE-NEXT: nop
|
|
# IE-NEXT: movl %gs:(%eax), %eax
|
|
|
|
leal a@tlsdesc(%ebx), %eax
|
|
call *a@tlscall(%eax)
|
|
movl %gs:(%eax), %eax
|
|
|
|
leal b@tlsdesc(%ebx), %eax
|
|
movl %edx, %ebx # GCC -O0 may add an extra insn in between.
|
|
call *b@tlscall(%eax)
|
|
movl %gs:(%eax), %eax
|
|
|
|
leal c@tlsdesc(%ebx), %eax
|
|
call *c@tlscall(%eax)
|
|
movl %gs:(%eax), %eax
|
|
|
|
.section .tbss
|
|
.globl a
|
|
.zero 8
|
|
a:
|
|
.zero 3
|
|
b:
|
|
.zero 1
|