lld/test/ELF/x86-64-split-stack-prologue-adjust-fail.s

   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
  21 unknown_prologue:
  22         push    %rbp
  23         mov     %rsp,%rbp
  24         cmp     %fs:0x70,%rsp
  25         jae     1f
  26         callq   __morestack
  27         retq
  28 1:
  29         callq   non_split
  30         leaveq
  31         retq
  32
  33         .size   unknown_prologue,. - unknown_prologue
  34
  35         .section        .note.GNU-split-stack,"",@progbits