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TheRock/compiler/amd-llvm/lld/test/ELF/x86-64-split-stack-prologue-adjust-shared.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

32 lines
1010 B
ArmAsm

# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/x86-64-split-stack-extra.s -o %t2.o
# RUN: ld.lld --defsym __morestack=0x100 --defsym __morestack_non_split=0x200 %t2.o -o %t4.so -shared
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t1.o
# RUN: ld.lld --defsym __morestack=0x100 --defsym __morestack_non_split=0x200 %t1.o %t4.so -o %t
# RUN: llvm-objdump -d %t | FileCheck %s
# For a cross .so call, make sure lld produced the conservative call to __morestack_non_split.
# CHECK: <prologue1_cross_so_call>:
# CHECK-NEXT: stc{{.*$}}
# CHECK-NEXT: nopl{{.*$}}
# CHECK: jae{{.*$}}
# CHECK-NEXT: callq{{.*}}<__morestack_non_split>
.text
.global prologue1_cross_so_call
.type prologue1_cross_so_call,@function
prologue1_cross_so_call:
cmp %fs:0x70,%rsp
jae 1f
callq __morestack
retq
1:
callq split
retq
.size prologue1_cross_so_call,. - prologue1_cross_so_call
.section .note.GNU-stack,"",@progbits
.section .note.GNU-split-stack,"",@progbits