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TheRock/compiler/amd-llvm/lld/test/ELF/x86-64-split-stack-prologue-adjust-silent.s
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

33 lines
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ArmAsm

# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t1.o
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/x86-64-split-stack-main.s -o %t2.o
# RUN: ld.lld --defsym __morestack=0x100 --defsym __morestack_non_split=0x200 %t1.o %t2.o -o %t
# RUN: llvm-objdump -d %t 2>&1 | FileCheck %s
# An unknown prologue ordinarily gives a match failure, except that this
# object file includes a .note.GNU-no-split-stack section, which tells the
# linker to expect such prologues, and therefore not error.
# CHECK: __morestack
.text
.global unknown_prologue
.type unknown_prologue,@function
unknown_prologue:
push %rbp
mov %rsp,%rbp
cmp %fs:0x70,%rsp
jae 1f
callq __morestack
retq
1:
callq non_split
leaveq
retq
.size unknown_prologue,. - unknown_prologue
.section .note.GNU-split-stack,"",@progbits
.section .note.GNU-no-split-stack,"",@progbits