diff options
Diffstat (limited to 'test/ELF/ppc64-split-stack-adjust-size-success.s')
| -rw-r--r-- | test/ELF/ppc64-split-stack-adjust-size-success.s | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/test/ELF/ppc64-split-stack-adjust-size-success.s b/test/ELF/ppc64-split-stack-adjust-size-success.s new file mode 100644 index 000000000000..913d2625e92a --- /dev/null +++ b/test/ELF/ppc64-split-stack-adjust-size-success.s @@ -0,0 +1,108 @@ +# REQUIRES: ppc + +# RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %s -o %t1.o +# RUN: llvm-mc -filetype=obj -triple=powerpc64le-unknown-linux %p/Inputs/ppc64-no-split-stack.s -o %t2.o + +# RUN: ld.lld %t1.o %t2.o -o %t --defsym __morestack=0x10010000 -split-stack-adjust-size 32768 +# RUN: llvm-objdump -d %t | FileCheck %s +# RUN: ld.lld %t1.o %t2.o -o %t --defsym __morestack=0x10010000 -split-stack-adjust-size 4096 +# RUN: llvm-objdump -d %t | FileCheck %s -check-prefix=SMALL +# RUN: ld.lld %t1.o %t2.o -o %t --defsym __morestack=0x10010000 -split-stack-adjust-size 0 +# RUN: llvm-objdump -d %t | FileCheck %s -check-prefix=ZERO +# RUN: not ld.lld %t1.o %t2.o -o %t -split-stack-adjust-size -1 2>&1 | FileCheck %s -check-prefix=ERR +# ERR: error: --split-stack-adjust-size: size must be >= 0 + +# RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %s -o %t1.o +# RUN: llvm-mc -filetype=obj -triple=powerpc64-unknown-linux %p/Inputs/ppc64-no-split-stack.s -o %t2.o + +# RUN: ld.lld %t1.o %t2.o -o %t --defsym __morestack=0x10010000 -split-stack-adjust-size 32768 +# RUN: llvm-objdump -d %t | FileCheck %s +# RUN: ld.lld %t1.o %t2.o -o %t --defsym __morestack=0x10010000 -split-stack-adjust-size 4096 +# RUN: llvm-objdump -d %t | FileCheck %s -check-prefix=SMALL +# RUN: ld.lld %t1.o %t2.o -o %t --defsym __morestack=0x10010000 -split-stack-adjust-size 0 +# RUN: llvm-objdump -d %t | FileCheck %s -check-prefix=ZERO + .p2align 2 + .global caller + .type caller, @function +caller: +.Lcaller_gep: + addis 2, 12, .TOC.-.Lcaller_gep@ha + addi 2, 2, .TOC.-.Lcaller_gep@l + .localentry caller, .-caller + ld 0, -0x7040(13) + addi 12, 1, -32 + nop + cmpld 7, 12, 0 + blt- 7, .Lcaller_alloc_more +.Lcaller_body: + mflr 0 + std 0, 16(1) + stdu 1, -32(1) + bl nss_callee + addi 1, 1, 32 + ld 0, 16(1) + mtlr 0 + blr +.Lcaller_alloc_more: + mflr 0 + std 0, 16(1) + bl __morestack + ld 0, 16(1) + mtlr 0 + blr + b .Lcaller_body + .size caller, .-caller + +# CHECK-LABEL: caller +# CHECK: ld 0, -28736(13) +# CHECK-NEXT: addis 12, 1, -1 +# CHECK-NEXT: addi 12, 12, 32736 +# CHECK-NEXT: cmpld 7, 12, 0 +# CHECK-NEXT: bt- 28, .+36 + +# SMALL-LABEL: caller +# SMALL: ld 0, -28736(13) +# SMALL-NEXT: addi 12, 1, -4128 +# SMALL-NEXT: nop +# SMALL-NEXT: cmpld 7, 12, 0 +# SMALL-NEXT: bt- 28, .+36 + +# ZERO-LABEL: caller +# ZERO: ld 0, -28736(13) +# ZERO-NEXT: addi 12, 1, -32 +# ZERO-NEXT: nop +# ZERO-NEXT: cmpld 7, 12, 0 +# ZERO-NEXT: bt- 28, .+36 + .p2align 2 + .global main + .type main, @function +main: +.Lmain_gep: + addis 2,12,.TOC.-.Lmain_gep@ha + addi 2,2,.TOC.-.Lmain_gep@l + .localentry main,.-main + ld 0,-0x7040(13) + addi 12,1,-32 + nop + cmpld 7,12,0 + blt- 7, .Lmain_morestack +.Lmain_body: + mflr 0 + std 0, 16(1) + stdu 1, -32(1) + bl caller + addi 1, 1, 32 + ld 0, 16(1) + mtlr 0 + blr +.Lmain_morestack: + mflr 0 + std 0, 16(1) + bl __morestack + ld 0, 16(1) + mtlr 0 + blr + b .Lmain_body + .size main,.-main + + .section .note.GNU-split-stack,"",@progbits |