llvm-project/lld/test/ELF/ppc64-call-reach.s

91 lines
3.8 KiB
ArmAsm

# REQUIRES: ppc
# RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %s -o %t.o
# RUN: ld.lld --defsym callee=0x12010010 --defsym tail_callee=0x12010020 \
# RUN: -z separate-code %t.o -o %t
# RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
# RUN: ld.lld --defsym callee=0x12010010 --defsym tail_callee=0x12010020 \
# RUN: -z separate-code %t.o -o %t
# RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
# RUN: ld.lld --defsym callee=0xE010014 --defsym tail_callee=0xE010024 \
# RUN: -z separate-code %t.o -o %t
# RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck --check-prefix=NEGOFFSET %s
# RUN: ld.lld --defsym callee=0x12010018 --defsym tail_callee=0x12010028 \
# RUN: -z separate-code %t.o -o %t
# RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck --check-prefix=THUNK %s
# RUN: llvm-readelf --sections %t | FileCheck --check-prefix=BRANCHLT %s
# RUN: not ld.lld --defsym callee=0x1001002D --defsym tail_callee=0x1001002F \
# RUN: -z separate-code %t.o -o %t 2>&1 | FileCheck --check-prefix=MISSALIGNED %s
# RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %s -o %t.o
# RUN: ld.lld --defsym callee=0x12010010 --defsym tail_callee=0x12010020 \
# RUN: -z separate-code %t.o -o %t
# RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
# RUN: ld.lld --defsym callee=0x12010010 --defsym tail_callee=0x12010020 \
# RUN: -z separate-code %t.o -o %t
# RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
# RUN: ld.lld --defsym callee=0xE010014 --defsym tail_callee=0xE010024 \
# RUN: -z separate-code %t.o -o %t
# RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck --check-prefix=NEGOFFSET %s
# RUN: ld.lld --defsym callee=0x12010018 --defsym tail_callee=0x12010028 \
# RUN: -z separate-code %t.o -o %t
# RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck --check-prefix=THUNK %s
# RUN: llvm-readelf --sections %t | FileCheck --check-prefix=BRANCHLT %s
# RUN: not ld.lld --defsym callee=0x1001002D --defsym tail_callee=0x1001002F \
# RUN: -z separate-code %t.o -o %t 2>&1 | FileCheck --check-prefix=MISSALIGNED %s
# MISSALIGNED: ld.lld: error: {{.*}}.o:(.text+0x14): improper alignment for relocation R_PPC64_REL24: 0x19 is not aligned to 4 bytes
# MISSALIGNED: ld.lld: error: {{.*}}.o:(.text+0x24): improper alignment for relocation R_PPC64_REL24: 0xB is not aligned to 4 bytes
.global test
.p2align 4
.type test,@function
test:
.Lgep:
addis 2, 12, .TOC.-.Lgep@ha
addi 2, 2, .TOC.-.Lgep@l
.Llep:
.localentry test, .Llep-.Lgep
mflr 0
std 0, 16(1)
stdu 1, 32(1)
bl callee
addi 1, 1, 32
ld 0, 16(1)
mtlr 0
b tail_callee
# Check that we are branching to the definitions, and not range-extending
# thunks.
# CHECK-LABEL: test
# CHECK: 10010014: bl 0x12010010
# CHECK: 10010024: b 0x12010020
# NEGOFFSET-LABEL: test
# NEGOFFSET: 10010014: bl 0xe010014
# NEGOFFSET: 10010024: b 0xe010024
# THUNK-LABEL: <test>:
# THUNK: 10010014: bl 0x10010030
# THUNK: 10010024: b 0x10010050
# .branch_lt[0]
# THUNK-LABEL: <__long_branch_callee>:
# THUNK-NEXT: 10010030: addis 12, 2, 1
# THUNK-NEXT: ld 12, -32760(12)
# THUNK-NEXT: mtctr 12
# THUNK-NEXT: bctr
# .branch_lt[1]
# THUNK-LABEL: <__long_branch_tail_callee>:
# THUNK-NEXT: 10010050: addis 12, 2, 1
# THUNK-NEXT: ld 12, -32752(12)
# THUNK-NEXT: mtctr 12
# THUNK-NEXT: bctr
# The offset from the TOC to the .branch_lt section is (-1 << 16) - 32768.
# Name Type Address Off Size
# BRANCHLT: .got PROGBITS 0000000010020000 020000 000008
# BRANCHLT: .branch_lt PROGBITS 0000000010030008 020008 000010
# BRANCHLT-NOT: .plt