# REQUIRES: ppc # RUN: echo 'SECTIONS { \ # RUN: .text_caller1 0x10010000 : { *(.text_caller1) } \ # RUN: .text_caller2 0x10020000 : { *(.text_caller2) } \ # RUN: .text_caller3 0x10030000 : { *(.text_caller3) } \ # RUN: }' > %t.script # RUN: llvm-mc -filetype=obj -triple=powerpc64le --defsym AUX=1 %s -o %t1.o # RUN: llvm-mc -filetype=obj -triple=powerpc64le %s -o %t2.o # RUN: ld.lld --shared %t2.o -o %t2.so # RUN: ld.lld -T %t.script %t1.o %t2.so -o %t # RUN: llvm-readelf -s %t | FileCheck %s --check-prefix=SYMBOL # RUN: llvm-readelf -S -d %t | FileCheck %s --check-prefix=SEC # RUN: llvm-readobj -r %t | FileCheck %s --check-prefix=REL # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s # RUN: llvm-mc -filetype=obj -triple=powerpc64 --defsym AUX=1 %s -o %t1.o # RUN: llvm-mc -filetype=obj -triple=powerpc64 %s -o %t2.o # RUN: ld.lld --shared %t2.o -o %t2.so # RUN: ld.lld -T %t.script %t1.o %t2.so -o %t # RUN: llvm-readelf -s %t | FileCheck %s --check-prefix=SYMBOL # RUN: llvm-readelf -S -d %t | FileCheck %s --check-prefix=SEC # RUN: llvm-readobj -r %t | FileCheck %s --check-prefix=REL # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s # RUN: llvm-mc -filetype=obj -triple=powerpc64le --defsym AUX=1 %s -o %t1.o # RUN: llvm-mc -filetype=obj -triple=powerpc64le %s -o %t2.o # RUN: ld.lld --shared %t2.o -o %t2.so # RUN: ld.lld -T %t.script %t1.o %t2.so -o %t --no-power10-stubs # RUN: llvm-readelf -s %t | FileCheck %s --check-prefix=SYMBOL-NOP10 # RUN: llvm-readelf -S -d %t | FileCheck %s --check-prefix=SEC-NOP10 # RUN: llvm-readobj -r %t | FileCheck %s --check-prefix=REL-NOP10 # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s --check-prefix=CHECK-NOP10 # RUN: llvm-mc -filetype=obj -triple=powerpc64 --defsym AUX=1 %s -o %t1.o # RUN: llvm-mc -filetype=obj -triple=powerpc64 %s -o %t2.o # RUN: ld.lld --shared %t2.o -o %t2.so # RUN: ld.lld -T %t.script %t1.o %t2.so -o %t --no-power10-stubs # RUN: llvm-readelf -s %t | FileCheck %s --check-prefix=SYMBOL-NOP10 # RUN: llvm-readelf -S -d %t | FileCheck %s --check-prefix=SEC-NOP10 # RUN: llvm-readobj -r %t | FileCheck %s --check-prefix=REL-NOP10 # RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s --check-prefix=CHECK-NOP10 ## The test is created to check that when a function without TOC access an ## external function, a r12 setup stub is inserted. # SYMBOL: Symbol table '.dynsym' contains 4 entries: # SYMBOL: 1: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND callee_global_stother0 # SYMBOL-NEXT: 2: 0000000000000000 0 NOTYPE GLOBAL DEFAULT [] UND callee_global_stother1 # SYMBOL-NEXT: 3: 0000000000000000 0 NOTYPE GLOBAL DEFAULT [] UND callee_global_TOC # SYMBOL: Symbol table '.symtab' contains 12 entries: # SYMBOL: 2: 0000000010010000 0 NOTYPE LOCAL DEFAULT [] 6 caller1 # SYMBOL-NEXT: 3: 0000000010020000 0 NOTYPE LOCAL DEFAULT [] 7 caller2 # SYMBOL-NEXT: 4: 0000000010030000 0 NOTYPE LOCAL DEFAULT [] 8 caller3 # SYMBOL: 6: 0000000010010010 32 FUNC LOCAL DEFAULT 6 __plt_pcrel_callee_global_stother0 # SYMBOL-NEXT: 7: 0000000010020010 32 FUNC LOCAL DEFAULT 7 __plt_pcrel_callee_global_stother1 # SYMBOL-NEXT: 8: 0000000010030010 32 FUNC LOCAL DEFAULT 8 __plt_pcrel_callee_global_TOC # SYMBOL-NEXT: 9: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND callee_global_stother0 # SYMBOL-NEXT: 10: 0000000000000000 0 NOTYPE GLOBAL DEFAULT [] UND callee_global_stother1 # SYMBOL-NEXT: 11: 0000000000000000 0 NOTYPE GLOBAL DEFAULT [] UND callee_global_TOC # SYMBOL-NOP10: Symbol table '.symtab' contains 12 entries: # SYMBOL-NOP10: 2: 0000000010010000 0 NOTYPE LOCAL DEFAULT [] 6 caller1 # SYMBOL-NOP10-NEXT: 3: 0000000010020000 0 NOTYPE LOCAL DEFAULT [] 7 caller2 # SYMBOL-NOP10-NEXT: 4: 0000000010030000 0 NOTYPE LOCAL DEFAULT [] 8 caller3 # SYMBOL-NOP10: 6: 0000000010010010 32 FUNC LOCAL DEFAULT 6 __plt_pcrel_callee_global_stother0 # SYMBOL-NOP10-NEXT: 7: 0000000010020010 32 FUNC LOCAL DEFAULT 7 __plt_pcrel_callee_global_stother1 # SYMBOL-NOP10-NEXT: 8: 0000000010030010 32 FUNC LOCAL DEFAULT 8 __plt_pcrel_callee_global_TOC # SYMBOL-NOP10-NEXT: 9: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND callee_global_stother0 # SYMBOL-NOP10-NEXT: 10: 0000000000000000 0 NOTYPE GLOBAL DEFAULT [] UND callee_global_stother1 # SYMBOL-NOP10-NEXT: 11: 0000000000000000 0 NOTYPE GLOBAL DEFAULT [] UND callee_global_TOC ## DT_PLTGOT points to .plt # SEC: .plt NOBITS 0000000010030168 040168 000028 00 WA 0 0 8 # SEC-OG: .plt NOBITS 0000000010030158 040158 000028 00 WA 0 0 8 # SEC: 0x0000000000000003 (PLTGOT) 0x10030168 # SEC-OG: 0x0000000000000003 (PLTGOT) 0x10030168 ## DT_PLTGOT points to .plt # SEC-NOP10: .plt NOBITS 0000000010030168 040168 000028 00 WA 0 0 8 # SEC-NOP10: 0x0000000000000003 (PLTGOT) 0x10030168 ## The first 2 entries in the .plt are reserved for the dynamic linkers ## usage. The JMP_SLOT relocations are stored at .plt[2], .plt[3], .plt[4]. ## Check that we emit 3 R_PPC64_JMP_SLOT in .rela.plt. # REL: .rela.plt { # REL-NEXT: 0x10030178 R_PPC64_JMP_SLOT callee_global_stother0 0x0 # REL-NEXT-OG: 0x10030168 R_PPC64_JMP_SLOT callee_global_stother0 0x0 # REL-NEXT: 0x10030180 R_PPC64_JMP_SLOT callee_global_stother1 0x0 # REL-NEXT-OG: 0x10030170 R_PPC64_JMP_SLOT callee_global_stother1 0x0 # REL-NEXT: 0x10030188 R_PPC64_JMP_SLOT callee_global_TOC 0x0 # REL-NEXT-OG: 0x10030178 R_PPC64_JMP_SLOT callee_global_TOC 0x0 # REL-NEXT: } # REL-NOP10: .rela.plt { # REL-NOP10-NEXT: 0x10030178 R_PPC64_JMP_SLOT callee_global_stother0 0x0 # REL-NOP10-NEXT: 0x10030180 R_PPC64_JMP_SLOT callee_global_stother1 0x0 # REL-NOP10-NEXT: 0x10030188 R_PPC64_JMP_SLOT callee_global_TOC 0x0 # REL-NOP10-NEXT: } # CHECK-LABEL: : # CHECK: 10010000: bl 0x10010010 # CHECK-NEXT: 10010004: blr # CHECK-NOP10-LABEL: : # CHECK-NOP10: 10010000: bl 0x10010010 # CHECK-NOP10-NEXT: 10010004: blr ## .plt[2] - 0x10010010 = 0x10030178 - 0x10010010 = 0x20168 = 131432 # CHECK-LABEL: <__plt_pcrel_callee_global_stother0>: # CHECK: 10010010: pld 12, 131432(0), 1 # CHECK-NEXT: 10010018: mtctr 12 # CHECK-NEXT: 1001001c: bctr ## No P10; branch to next inst to get addr # CHECK-NOP10-LABEL: <__plt_pcrel_callee_global_stother0>: # CHECK-NOP10: 10010010: mflr 12 # CHECK-NOP10-NEXT: bcl 20, 31, 0x10010018 # CHECK-NOP10-NEXT: 10010018: mflr 11 # CHECK-NOP10-NEXT: mtlr 12 # CHECK-NOP10-NEXT: addis 12, 11, 2 # CHECK-NOP10-NEXT: ld 12, 352(12) # CHECK-NOP10-NEXT: mtctr 12 # CHECK-NOP10-NEXT: bctr # CHECK-LABEL: : # CHECK: 10020000: bl 0x10020010 # CHECK-NEXT: 10020004: blr # CHECK-NOP10-LABEL: : # CHECK-NOP10: 10020000: bl 0x10020010 # CHECK-NOP10-NEXT: 10020004: blr ## .plt[3] - 0x10020010 = 0x10030180 - 0x10020010 = 0x10170 = 65904 # CHECK-LABEL: <__plt_pcrel_callee_global_stother1>: # CHECK: 10020010: pld 12, 65904(0), 1 # CHECK-NEXT: 10020018: mtctr 12 # CHECK-NEXT: 1002001c: bctr ## no P10; branch to next inst to get addr ## .plt[3]-r11 = 0x10030170-0x10020018 = 65536*1+344 # CHECK-NOP10-LABEL: <__plt_pcrel_callee_global_stother1>: # CHECK-NOP10: 10020010: mflr 12 # CHECK-NOP10-NEXT: bcl 20, 31, 0x10020018 # CHECK-NOP10-NEXT: 10020018: mflr 11 # CHECK-NOP10-NEXT: mtlr 12 # CHECK-NOP10-NEXT: addis 12, 11, 1 # CHECK-NOP10-NEXT: ld 12, 360(12) # CHECK-NOP10-NEXT: mtctr 12 # CHECK-NOP10-NEXT: bctr # CHECK-LABEL: : # CHECK: 10030000: bl 0x10030010 # CHECK-NEXT: 10030004: blr # CHECK-NOP10-LABEL: : # CHECK-NOP10: 10030000: bl 0x10030010 # CHECK-NOP10-NEXT: 10030004: blr ## .plt[4] - 0x10030010 = 0x10030188 - 0x10030010 = 0x178 = 376 # CHECK-LABEL: <__plt_pcrel_callee_global_TOC>: # CHECK: 10030010: pld 12, 376(0), 1 # CHECK-NEXT: 10030018: mtctr 12 # CHECK-NEXT: 1003001c: bctr ## no P10; branch to next inst to get addr ## .plt[4]-r11 = 0x10030178-0x10030018 = 65536*0+352 # CHECK-NOP10-LABEL: <__plt_pcrel_callee_global_TOC>: # CHECK-NOP10-NEXT: 10030010: mflr 12 # CHECK-NOP10-NEXT: bcl 20, 31, 0x10030018 # CHECK-NOP10-NEXT: 10030018: mflr 11 # CHECK-NOP10-NEXT: mtlr 12 # CHECK-NOP10-NEXT: addis 12, 11, 0 # CHECK-NOP10-NEXT: ld 12, 368(12) # CHECK-NOP10-NEXT: mtctr 12 # CHECK-NOP10-NEXT: bctr .ifdef AUX .section .text_caller1, "ax", %progbits caller1: .localentry caller1, 1 bl callee_global_stother0@notoc blr .section .text_caller2, "ax", %progbits caller2: .localentry caller2, 1 bl callee_global_stother1@notoc blr .section .text_caller3, "ax", %progbits caller3: .localentry caller3, 1 bl callee_global_TOC@notoc blr .else func_extern: blr .globl callee_global_stother0 callee_global_stother0: blr .globl callee_global_stother1 callee_global_stother1: .localentry callee_global_stother1, 1 ## nop is not needed after bl for R_PPC64_REL24_NOTOC bl func_extern@notoc blr .globl callee_global_TOC callee_global_TOC: .Lfunc_gep1: addis 2, 12, .TOC.-.Lfunc_gep1@ha addi 2, 2, .TOC.-.Lfunc_gep1@l .Lfunc_lep1: .localentry callee_global_TOC, .Lfunc_lep1-.Lfunc_gep1 addis 4, 2, global@toc@ha lwz 3, global@toc@l(4) blr global: .long 0 .size global, 4 .endif