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# REQUIRES: aarch64
## Prior to Android V, there was a bug that caused RELR relocations to be
## applied after packed relocations. This meant that resolvers referenced by
## IRELATIVE relocations in the packed relocation section would read unrelocated
## globals when --pack-relative-relocs=android+relr is enabled. Work around this
## by placing IRELATIVE in .rela.plt.
# RUN: rm -rf %t && split-file %s %t && cd %t
# RUN: llvm-mc -filetype=obj -triple=aarch64-linux-android a.s -o a.o
# RUN: llvm-mc -filetype=obj -triple=aarch64-linux-android b.s -o b.o
# RUN: ld.lld -shared b.o -o b.so
# RUN: ld.lld -pie --pack-dyn-relocs=android+relr -z separate-loadable-segments a.o b.so -o a
# RUN: llvm-readobj -r a | FileCheck %s
# RUN: llvm-objdump -d a | FileCheck %s --check-prefix=ASM
# CHECK: .relr.dyn {
# CHECK-NEXT: 0x30000 R_AARCH64_RELATIVE -
# CHECK-NEXT: }
# CHECK: .rela.plt {
# CHECK-NEXT: 0x30020 R_AARCH64_JUMP_SLOT bar 0x0
# CHECK-NEXT: 0x30028 R_AARCH64_IRELATIVE - 0x10000
# CHECK-NEXT: }
# ASM: <.iplt>:
# ASM-NEXT: adrp x16, 0x30000
# ASM-NEXT: ldr x17, [x16, #0x28]
# ASM-NEXT: add x16, x16, #0x28
# ASM-NEXT: br x17
#--- a.s
.text
.type foo, %gnu_indirect_function
.globl foo
foo:
ret
.globl _start
_start:
bl foo
bl bar
.data
.balign 8
.quad .data
#--- b.s
.globl bar
bar:
ret
#--- c.s
# RUN: llvm-mc -filetype=obj -triple=aarch64-linux-android c.s -o c.o
# RUN: ld.lld --pack-dyn-relocs=android c.o -o c
# RUN: llvm-readelf -sS c | FileCheck --check-prefix=STATIC %s
# STATIC: .rela.plt RELA 0000000000200158 000158 000018 18 AI 0 5 8
# STATIC: 0000000000200158 0 NOTYPE LOCAL HIDDEN 1 __rela_iplt_start
# STATIC: 0000000000200170 0 NOTYPE LOCAL HIDDEN 1 __rela_iplt_end
.text
.type foo, %gnu_indirect_function
.globl foo
foo:
ret
.globl _start
_start:
bl foo
.data
.balign 8
.quad __rela_iplt_start
.quad __rela_iplt_end
|
