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[BOLT][TEST] Fix stack alignment in section-reloc-with-addend.s 

Misaligned stack can cause a runtime crash.

Reviewed By: Amir

Differential Revision: https://reviews.llvm.org/D128227
This commit is contained in:
Maksim Panchenko 2022-06-20 14:20:22 -07:00
parent c9fc4336d4
commit 30a6d3ada6
1 changed files with 10 additions and 4 deletions
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14
bolt/test/runtime/X86/section-reloc-with-addend.s
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@ -13,9 +13,10 @@
# RUN: llvm-strip --strip-unneeded %t.o
# RUN: %clang %cflags -no-pie %t.o -o %t.exe -Wl,-q
# RUN: llvm-bolt %t.exe --relocs=1 --print-finalized --print-only=main -o %t.out
# RUN: llvm-bolt %t.exe --print-finalized --print-only=main -o %t.out \
# RUN: 2>&1 | FileCheck %s
# RUN: %t.out 1 2
# RUN: %t.out 1 2 | FileCheck --check-prefix=CHECK-RT %s
.text
.globl main
@ -24,11 +25,14 @@
main:
pushq %rbp
movq %rsp, %rbp
subq $0x18, %rsp
subq $0x10, %rsp
cmpl $0x2, %edi
jb .BBend
.BB2:
leaq .data-0x1000000, %rsi # Use a large negative addend to cause a
# CHECK: leaq
# CHECK-SAME: {{.*}}-{{.*}}
leaq mystring-0x1000000, %rsi # Use a large negative addend to cause a
# negative result to be encoded in LEA
addq $0x1000000, %rsi # Eventually program logic compensates to get
# a real address
@ -47,4 +51,6 @@ main:
.size main, .-main
.data
# CHECK-RT: {{.*}} is rbx mod 10 contents in decimal
mystring: .asciz "0 is rbx mod 10 contents in decimal\n"