llvm-project/lld/test/ELF/mips-got-and-copy.s

63 lines
2.1 KiB
ArmAsm

# REQUIRES: mips
# If there are two relocations such that the first one requires
# dynamic COPY relocation, the second one requires GOT entry
# creation, linker should create both - dynamic relocation
# and GOT entry.
# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
# RUN: %S/Inputs/mips-dynamic.s -o %t.so.o
# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux %s -o %t.o
# RUN: ld.lld %t.so.o -shared -o %t.so
# RUN: ld.lld %t.o %t.so -o %t.exe
# RUN: llvm-readobj -r -A %t.exe | FileCheck %s
# CHECK: Relocations [
# CHECK-NEXT: Section (7) .rel.dyn {
# CHECK-NEXT: 0x[[DATA0:[0-9A-F]+]] R_MIPS_COPY data0
# CHECK-NEXT: 0x[[DATA1:[0-9A-F]+]] R_MIPS_COPY data1
# CHECK-NEXT: }
# CHECK-NEXT: ]
# CHECK: Primary GOT {
# CHECK-NEXT: Canonical gp value:
# CHECK-NEXT: Reserved entries [
# CHECK: ]
# CHECK-NEXT: Local entries [
# CHECK-NEXT: ]
# CHECK-NEXT: Global entries [
# CHECK-NEXT: Entry {
# CHECK-NEXT: Address:
# CHECK-NEXT: Access: -32744
# CHECK-NEXT: Initial: 0x[[DATA0]]
# CHECK-NEXT: Value: 0x[[DATA0]]
# CHECK-NEXT: Type: Object
# CHECK-NEXT: Section: .bss
# CHECK-NEXT: Name: data0
# CHECK-NEXT: }
# CHECK-NEXT: Entry {
# CHECK-NEXT: Address:
# CHECK-NEXT: Access: -32740
# CHECK-NEXT: Initial: 0x[[DATA1]]
# CHECK-NEXT: Value: 0x[[DATA1]]
# CHECK-NEXT: Type: Object
# CHECK-NEXT: Section: .bss
# CHECK-NEXT: Name: data1
# CHECK-NEXT: }
# CHECK-NEXT: ]
# CHECK-NEXT: Number of TLS and multi-GOT entries: 0
# CHECK-NEXT: }
.text
.global __start
__start:
# Case A: 'got' relocation goes before 'copy' relocation
lui $t0,%hi(data0) # R_MIPS_HI16 - requires R_MISP_COPY relocation
addi $t0,$t0,%lo(data0)
lw $t0,%got(data0)($gp) # R_MIPS_GOT16 - requires GOT entry
# Case B: 'copy' relocation goes before 'got' relocation
lw $t0,%got(data1)($gp) # R_MIPS_GOT16 - requires GOT entry
lui $t0,%hi(data1) # R_MIPS_HI16 - requires R_MISP_COPY relocation
addi $t0,$t0,%lo(data1)