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| # REQUIRES: mips
# Check R_MIPS_26 relocation handling.
# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux %s -o %t1.o
# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
# RUN: %S/Inputs/mips-dynamic.s -o %t2.o
# RUN: ld.lld %t2.o -shared -o %t.so
# RUN: ld.lld %t1.o %t.so -o %t.exe
# RUN: llvm-objdump -d --no-show-raw-insn --print-imm-hex %t.exe | FileCheck %s
# RUN: llvm-readobj --dynamic-table -S -r -A %t.exe \
# RUN: | FileCheck -check-prefix=REL %s
# CHECK: Disassembly of section .text:
# CHECK-EMPTY:
# CHECK-NEXT: bar:
# CHECK-NEXT: [[BAR:[0-9a-f]+]]: jal 0x[[LOC:[0-9a-f]+]] <loc>
# CHECK-NEXT: {{.*}}: nop
#
# CHECK: __start:
# CHECK-NEXT: {{.*}}: jal 0x[[BAR]] <bar>
# CHECK-NEXT: {{.*}}: nop
# CHECK-NEXT: {{.*}}: jal 0x[[FOO0:[0-9a-f]+]]
# ^-- gotplt[foo0]
# CHECK-NEXT: {{.*}}: nop
#
# CHECK: loc:
# CHECK-NEXT: [[LOC]]: nop
# CHECK-EMPTY:
# CHECK-NEXT: Disassembly of section .plt:
# CHECK-EMPTY:
# CHECK-NEXT: .plt:
# CHECK-NEXT: {{.*}}: lui $gp, 0x3
# CHECK-NEXT: {{.*}}: lw $25, {{.*}}($gp)
# CHECK-NEXT: {{.*}}: addiu $gp, $gp, {{.*}}
# CHECK-NEXT: {{.*}}: subu $24, $24, $gp
# CHECK-NEXT: {{.*}}: move $15, $ra
# CHECK-NEXT: {{.*}}: srl $24, $24, 0x2
# CHECK-NEXT: {{.*}}: jalr $25
# CHECK-NEXT: {{.*}}: addiu $24, $24, -0x2
# CHECK-NEXT: [[FOO0]]: lui $15, 0x3
# CHECK-NEXT: {{.*}}: lw $25, {{.*}}($15)
# CHECK-NEXT: {{.*}}: jr $25
# CHECK-NEXT: {{.*}}: addiu $24, $15, {{.*}}
# REL: Name: .plt
# REL-NEXT: Type: SHT_PROGBITS
# REL-NEXT: Flags [ (0x6)
# REL-NEXT: SHF_ALLOC
# REL-NEXT: SHF_EXECINSTR
# REL-NEXT: ]
# REL-NEXT: Address: 0x[[PLTADDR:[0-9A-F]+]]
# REL: Name: .got.plt
# REL-NEXT: Type: SHT_PROGBITS
# REL-NEXT: Flags [ (0x3)
# REL-NEXT: SHF_ALLOC
# REL-NEXT: SHF_WRITE
# REL-NEXT: ]
# REL-NEXT: Address: 0x[[GOTPLTADDR:[0-9A-F]+]]
# REL: Relocations [
# REL-NEXT: Section (7) .rel.plt {
# REL-NEXT: 0x[[PLTSLOT:[0-9A-F]+]] R_MIPS_JUMP_SLOT foo0 0x0
# REL-NEXT: }
# REL-NEXT: ]
# REL: 0x70000032 MIPS_PLTGOT 0x[[GOTPLTADDR]]
# REL: Primary GOT {
# REL: Local entries [
# REL-NEXT: ]
# REL-NEXT: Global entries [
# REL-NEXT: ]
# REL: PLT GOT {
# REL: Entries [
# REL-NEXT: Entry {
# REL-NEXT: Address: 0x[[PLTSLOT]]
# REL-NEXT: Initial: 0x[[PLTADDR]]
# REL-NEXT: Value: 0x0
# REL-NEXT: Type: Function
# REL-NEXT: Section: Undefined
# REL-NEXT: Name: foo0
# REL-NEXT: }
# REL-NEXT: ]
.text
.globl bar
bar:
jal loc # R_MIPS_26 against .text + offset
.globl __start
__start:
jal bar # R_MIPS_26 against global 'bar' from object file
jal foo0 # R_MIPS_26 against 'foo0' from DSO
loc:
nop
|