lld/test/ELF/ppc64-split-stack-adjust-overflow.s

   1 # REQUIRES: ppc
   2
   3 # RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %s -o %t1.o
   4 # RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %p/Inputs/ppc64-no-split-stack.s -o %t2.o
   5
   6 # RUN: not ld.lld %t1.o %t2.o -o /dev/null --defsym __morestack=0x10010000 2>&1 | \
   7 # RUN: FileCheck -check-prefix=OVERFLOW %s
   8 # RUN: not ld.lld %t1.o %t2.o -o /dev/null --defsym __morestack=0x10010000 \
   9 # RUN: -split-stack-adjust-size 4097 2>&1 | FileCheck -check-prefix=OVERFLOW %s
  10 # RUN: ld.lld %t1.o %t2.o -o %t --defsym __morestack=0x10010000 -split-stack-adjust-size 4096
  11 # RUN: llvm-objdump -d %t | FileCheck %s
  12
  13 # RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %s -o %t1.o
  14 # RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %p/Inputs/ppc64-no-split-stack.s -o %t2.o
  15
  16 # RUN: not ld.lld %t1.o %t2.o -o /dev/null --defsym __morestack=0x10010000 2>&1 | \
  17 # RUN: FileCheck -check-prefix=OVERFLOW %s
  18 # RUN: not ld.lld %t1.o %t2.o -o /dev/null --defsym __morestack=0x10010000 \
  19 # RUN: -split-stack-adjust-size 4097 2>&1 | FileCheck -check-prefix=OVERFLOW %s
  20 # RUN: ld.lld %t1.o %t2.o -o %t --defsym __morestack=0x10010000 -split-stack-adjust-size 4096
  21 # RUN: llvm-objdump -d %t | FileCheck %s
  22
  23 # OVERFLOW: error: {{.*}}.o:(function caller: .text+0x8): split-stack prologue adjustment overflows
  24
  25         .p2align    2
  26         .global caller
  27         .type caller, @function
  28 caller:
  29 .Lcaller_gep:
  30     addis 2, 12, .TOC.-.Lcaller_gep@ha
  31     addi 2, 2, .TOC.-.Lcaller_gep@l
  32     .localentry caller, .-caller
  33     ld 0, -0x7040(13)
  34     addis 12, 1, -32768
  35     addi  12, 12, 4096
  36     cmpld 7, 12, 0
  37     blt- 7, .Lcaller_alloc_more
  38 .Lcaller_body:
  39     mflr 0
  40     std 0, 16(1)
  41     stdu 1, -32(1)
  42     bl nss_callee
  43     addi 1, 1, 32
  44     ld 0, 16(1)
  45     mtlr 0
  46     blr
  47 .Lcaller_alloc_more:
  48     mflr 0
  49     std 0, 16(1)
  50     bl __morestack
  51     ld 0, 16(1)
  52     mtlr 0
  53     blr
  54     b .Lcaller_body
  55         .size caller, .-caller
  56
  57 # CHECK-LABEL: caller
  58 # CHECK:      ld 0, -28736(13)
  59 # CHECK-NEXT: addis 12, 1, -32768
  60 # CHECK-NEXT: nop
  61 # CHECK-NEXT: cmpld 7, 12, 0
  62 # CHECK-NEXT: bt- 28, 0x10010204
  63
  64 .section        .note.GNU-split-stack,"",@progbits