forked from OSchip/llvm-project
36 lines
1.3 KiB
ArmAsm
36 lines
1.3 KiB
ArmAsm
# REQUIRES: x86
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# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t1.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/x86-64-split-stack-extra.s -o %t2.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/x86-64-split-stack-main.s -o %t3.o
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# RUN: not ld.lld --defsym __morestack=0x100 --defsym __more_stack_nonsplit=0x200 %t1.o %t2.o %t3.o -o /dev/null 2>&1 | FileCheck %s
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# An unknown prologue gives a match failure
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# CHECK: error: {{.*}}.o:(.text): unknown_prologue (with -fsplit-stack) calls non_split (without -fsplit-stack), but couldn't adjust its prologue
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# RUN: not ld.lld -r --defsym __morestack=0x100 %t1.o %t2.o -o /dev/null 2>&1 | FileCheck %s -check-prefix=RELOCATABLE
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# RELOCATABLE: cannot mix split-stack and non-split-stack in a relocatable link
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# RUN: not ld.lld --defsym __morestack=0x100 --defsym _start=0x300 %t1.o %t2.o %t3.o -o /dev/null 2>&1 | FileCheck %s -check-prefix=ERROR
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# ERROR: Mixing split-stack objects requires a definition of __morestack_non_split
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.text
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.global unknown_prologue
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.type unknown_prologue,@function
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unknown_prologue:
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push %rbp
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mov %rsp,%rbp
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cmp %fs:0x70,%rsp
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jae 1f
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callq __morestack
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retq
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1:
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callq non_split
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leaveq
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retq
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.size unknown_prologue,. - unknown_prologue
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.section .note.GNU-split-stack,"",@progbits
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