32 lines · plain
1# REQUIRES: x862# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/x86-64-split-stack-extra.s -o %t2.o3# RUN: ld.lld --defsym __morestack=0x100 --defsym __morestack_non_split=0x200 %t2.o -o %t4.so -shared4 5# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t1.o6# RUN: ld.lld --defsym __morestack=0x100 --defsym __morestack_non_split=0x200 %t1.o %t4.so -o %t7# RUN: llvm-objdump -d %t | FileCheck %s8 9# For a cross .so call, make sure lld produced the conservative call to __morestack_non_split.10# CHECK: <prologue1_cross_so_call>:11# CHECK-NEXT: stc{{.*$}}12# CHECK-NEXT: nopl{{.*$}}13# CHECK: jae{{.*$}}14# CHECK-NEXT: callq{{.*}}<__morestack_non_split>15 16 .text17 18 .global prologue1_cross_so_call19 .type prologue1_cross_so_call,@function20prologue1_cross_so_call:21 cmp %fs:0x70,%rsp22 jae 1f23 callq __morestack24 retq251:26 callq split27 retq28 .size prologue1_cross_so_call,. - prologue1_cross_so_call29 30 .section .note.GNU-stack,"",@progbits31 .section .note.GNU-split-stack,"",@progbits32