1# REQUIRES: x86
2# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t1.o
3# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/x86-64-split-stack-extra.s -o %t2.o
4# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/x86-64-split-stack-main.s -o %t3.o
5
6# 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
7
8# An unknown prologue gives a match failure
9# CHECK: error: {{.*}}.o:(.text): unknown_prologue (with -fsplit-stack) calls non_split (without -fsplit-stack), but couldn't adjust its prologue
10
11# RUN: not ld.lld -r --defsym __morestack=0x100 %t1.o %t2.o -o /dev/null 2>&1 | FileCheck %s -check-prefix=RELOCATABLE
12# RELOCATABLE: cannot mix split-stack and non-split-stack in a relocatable link
13
14# 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
15# ERROR: Mixing split-stack objects requires a definition of __morestack_non_split
16
17	.text
18
19	.global	unknown_prologue
20	.type	unknown_prologue,@function
21unknown_prologue:
22	push	%rbp
23	mov	%rsp,%rbp
24	cmp	%fs:0x70,%rsp
25	jae	1f
26	callq	__morestack
27	retq
281:
29	callq	non_split
30	leaveq
31	retq
32
33	.size	unknown_prologue,. - unknown_prologue
34
35	.section	.note.GNU-split-stack,"",@progbits
36