Mercurial > hg > CbC > CbC_llvm
view lld/test/ELF/ppc64-long-branch-pi.s @ 173:0572611fdcc8 llvm10 llvm12
reorgnization done
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 11:55:54 +0900 |
parents | 1d019706d866 |
children | 2e18cbf3894f |
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# REQUIRES: ppc # RUN: llvm-mc -filetype=obj -triple=ppc64le %s -o %t.o # RUN: echo 'SECTIONS { \ # RUN: .text_low 0x2000: { *(.text_low) } \ # RUN: .text_high 0x2002000 : { *(.text_high) } \ # RUN: }' > %t.script # RUN: ld.lld -pie -T %t.script %t.o -o %t # RUN: llvm-readelf -S %t | FileCheck --check-prefix=SEC-PIE %s # RUN: llvm-readobj -r %t | FileCheck --check-prefix=RELOC %s # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s # RUN: ld.lld -shared -T %t.script %t.o -o %t.so # RUN: llvm-readelf -S %t.so | FileCheck --check-prefix=SEC-SHARED %s # RUN: llvm-objdump -d --no-show-raw-insn %t.so | FileCheck %s # SEC-PIE: Name Type Address Off Size ES Flg Lk Inf Al # SEC-PIE: .got PROGBITS 00000000020020e0 20120e0 000008 00 WA 0 0 8 # SEC-PIE: .branch_lt NOBITS 00000000020020f0 20120f0 000020 00 WA 0 0 8 # SEC-SHARED: Name Type Address Off Size ES Flg Lk Inf Al # SEC-SHARED: .got PROGBITS 00000000020020d0 20120d0 000008 00 WA 0 0 8 # SEC-SHARED: .branch_lt NOBITS 00000000020020e0 20120e0 000020 00 WA 0 0 8 # RELOC: .rela.dyn { # RELOC-NEXT: 0x20020E8 R_PPC64_RELATIVE - 0x8000 # RELOC-NEXT: 0x20020F0 R_PPC64_RELATIVE - 0x2002000 # RELOC-NEXT: 0x20020F8 R_PPC64_RELATIVE - 0x2002008 # RELOC-NEXT: 0x2002100 R_PPC64_RELATIVE - 0x200200C # RELOC-NEXT: 0x2002108 R_PPC64_RELATIVE - 0x2000 # RELOC-NEXT: } # CHECK: <_start>: # CHECK-NEXT: 2000: bl 0x2010 # CHECK-NEXT: bl 0x2002000 # CHECK-NEXT: bl 0x2020 # CHECK-NEXT: bl 0x2030 ## &.branch_lt[0] - .TOC. = .branch_lt - (.got+0x8000) = -32752 # CHECK: <__long_branch_>: # CHECK-NEXT: 2010: addis 12, 2, 0 # CHECK-NEXT: ld 12, -32752(12) # CHECK-NEXT: mtctr 12 # CHECK-NEXT: bctr ## &.branch_lt[1] - .TOC. = .branch_lt - (.got+0x8000) = -32744 # CHECK: <__long_branch_>: # CHECK-NEXT: 2020: addis 12, 2, 0 # CHECK-NEXT: ld 12, -32744(12) # CHECK-NEXT: mtctr 12 # CHECK-NEXT: bctr ## &.branch_lt[2] - .TOC. = .branch_lt - (.got+0x8000) = -32736 # CHECK: <__long_branch_>: # CHECK-NEXT: 2030: addis 12, 2, 0 # CHECK-NEXT: ld 12, -32736(12) # CHECK-NEXT: mtctr 12 # CHECK-NEXT: bctr .section .text_low, "ax", %progbits .globl _start _start: bl .text_high # Need a thunk bl .text_high bl .text_high+8 # Need a thunk bl .text_high+0xc # Need a thunk # CHECK: <high_target>: # CHECK-NEXT: 2002000: bl 0x2004 # CHECK-NEXT: bl 0x2004 # CHECK-NEXT: bl 0x2002010 ## &.branch_lt[3] - .TOC. = .branch_lt - (.got+0x8000) = -32728 # CHECK: <__long_branch_>: # CHECK-NEXT: 2002010: addis 12, 2, 0 # CHECK-NEXT: ld 12, -32728(12) # CHECK-NEXT: mtctr 12 # CHECK-NEXT: bctr .section .text_high, "ax", %progbits high_target: bl .text_low+4 bl .text_low+4 bl .text_low # Need a thunk blr ## Force creation of .got ## The R_PPC64_RELATIVE makes sure .rela.dyn survives removeUnusedSyntheticSections. .section .data .quad .TOC.@tocbase