e424d16f0e
Summary: This patch adds R_AARCH64_TSTBR14 and R_AARCH64_CONDBR19 relocations support in order to handle condition branches, cbz/cnbz and tbz/tbnz instructions correctly Vladislav Khmelevsky, Advanced Software Technology Lab, Huawei (cherry picked from FBD31416734)
115 lines
2.3 KiB
ArmAsm
115 lines
2.3 KiB
ArmAsm
# This test checks relocations for control-flow instructions
|
|
|
|
# REQUIRES: system-linux
|
|
|
|
# RUN: llvm-mc -filetype=obj -triple aarch64-unknown-unknown \
|
|
# RUN: %s -o %t.o
|
|
# RUN: %clang %cflags -no-pie %t.o -o %t.exe -Wl,-q
|
|
# RUN: llvm-bolt %t.exe -o %t.bolt -use-old-text=0 -lite=0 -trap-old-code
|
|
# RUN: %t.bolt
|
|
|
|
.macro panic
|
|
.panic\@:
|
|
mov x0, #0
|
|
br x0
|
|
.endm
|
|
|
|
.text
|
|
.align 4
|
|
.global test_call_foo
|
|
.type test_call_foo, %function
|
|
test_call_foo:
|
|
mov x0, x30
|
|
add x0, x0, #8
|
|
br x0
|
|
panic
|
|
.size test_call_foo, .-test_call_foo
|
|
|
|
.global main
|
|
.type main, %function
|
|
main:
|
|
stp x30, x29, [sp, #-16]!
|
|
b test_branch
|
|
panic
|
|
test_branch:
|
|
b test_cond_branch
|
|
panic
|
|
.size main, .-main
|
|
|
|
.global test_cond_branch
|
|
.type test_cond_branch, %function
|
|
test_cond_branch:
|
|
mov x0, #0
|
|
cmp x0, #0
|
|
b.eq test_branch_reg
|
|
panic
|
|
.size test_cond_branch, .-test_cond_branch
|
|
|
|
.global test_branch_reg
|
|
.type test_branch_reg, %function
|
|
test_branch_reg:
|
|
adr x0, test_branch_zero
|
|
br x0
|
|
panic
|
|
.size test_branch_reg, .-test_branch_reg
|
|
|
|
.global test_branch_zero
|
|
.type test_branch_zero, %function
|
|
test_branch_zero:
|
|
mov x0, #0
|
|
cbz x0, test_branch_non_zero
|
|
panic
|
|
.size test_branch_zero, .-test_branch_zero
|
|
|
|
.global test_branch_non_zero
|
|
.type test_branch_non_zero, %function
|
|
test_branch_non_zero:
|
|
mov x0, #1
|
|
cbnz x0, test_bit_branch_zero
|
|
panic
|
|
.size test_branch_non_zero, .-test_branch_non_zero
|
|
|
|
.global test_bit_branch_zero
|
|
.type test_bit_branch_zero, %function
|
|
test_bit_branch_zero:
|
|
mov x0, #0
|
|
tbz x0, 0, test_bit_branch_non_zero
|
|
panic
|
|
.size test_bit_branch_zero, .-test_bit_branch_zero
|
|
|
|
.global test_bit_branch_non_zero
|
|
.type test_bit_branch_non_zero, %function
|
|
test_bit_branch_non_zero:
|
|
mov x0, #1
|
|
tbnz x0, 0, test_call
|
|
panic
|
|
.size test_bit_branch_non_zero, .-test_bit_branch_non_zero
|
|
|
|
.global test_call
|
|
.type test_call, %function
|
|
test_call:
|
|
bl test_call_foo
|
|
panic
|
|
b test_call_reg
|
|
panic
|
|
.size test_call, .-test_call
|
|
|
|
.global test_call_reg
|
|
.type test_call_reg, %function
|
|
test_call_reg:
|
|
adr x0, test_call_foo
|
|
blr x0
|
|
panic
|
|
b finalize
|
|
panic
|
|
.size test_call_reg, .-test_call_reg
|
|
|
|
.global finalize
|
|
.type finalize, %function
|
|
finalize:
|
|
ldp x30, x29, [sp], #16
|
|
mov x0, #0
|
|
ret
|
|
panic
|
|
.size finalize, .-finalize
|