forked from OSchip/llvm-project
132 lines
5.1 KiB
ArmAsm
132 lines
5.1 KiB
ArmAsm
# REQUIRES: ppc
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# RUN: echo 'SECTIONS { \
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# RUN: .text_caller1 0x10010000 : { *(.text_caller1) } \
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# RUN: .text_caller2 0x10020000 : { *(.text_caller2) } \
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# RUN: .text_caller3 0x10030000 : { *(.text_caller3) } \
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# RUN: }' > %t.script
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# RUN: llvm-mc -filetype=obj -triple=powerpc64le --defsym AUX=1 %s -o %t1.o
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# RUN: llvm-mc -filetype=obj -triple=powerpc64le %s -o %t2.o
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# RUN: ld.lld --shared %t2.o -o %t2.so
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# RUN: ld.lld -T %t.script %t1.o %t2.so -o %t
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# RUN: llvm-readelf -s %t | FileCheck %s --check-prefix=SYMBOL
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# RUN: llvm-readelf -S -d %t | FileCheck %s --check-prefix=SEC
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# RUN: llvm-readobj -r %t | FileCheck %s --check-prefix=REL
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# RUN: llvm-objdump -d --no-show-raw-insn --mcpu=pwr10 %t | FileCheck %s
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# RUN: llvm-mc -filetype=obj -triple=powerpc64 --defsym AUX=1 %s -o %t1.o
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# RUN: llvm-mc -filetype=obj -triple=powerpc64 %s -o %t2.o
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# RUN: ld.lld --shared %t2.o -o %t2.so
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# RUN: ld.lld -T %t.script %t1.o %t2.so -o %t
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# RUN: llvm-readelf -s %t | FileCheck %s --check-prefix=SYMBOL
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# RUN: llvm-readelf -S -d %t | FileCheck %s --check-prefix=SEC
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# RUN: llvm-readobj -r %t | FileCheck %s --check-prefix=REL
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# RUN: llvm-objdump -d --no-show-raw-insn --mcpu=pwr10 %t | FileCheck %s
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## The test is created to check that when a function without TOC access an
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## external function, a r12 setup stub is inserted.
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# SYMBOL: Symbol table '.dynsym' contains 4 entries:
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# SYMBOL: 1: 0000000000000000 0 NOTYPE GLOBAL DEFAULT [<other: 0x60>] UND callee_global_TOC
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# SYMBOL-NEXT: 2: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND callee_global_stother0
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# SYMBOL-NEXT: 3: 0000000000000000 0 NOTYPE GLOBAL DEFAULT [<other: 0x20>] UND callee_global_stother1
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# SYMBOL: Symbol table '.symtab' contains 12 entries:
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# SYMBOL: 2: 0000000010010000 0 NOTYPE LOCAL DEFAULT [<other: 0x20>] 6 caller1
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# SYMBOL-NEXT: 3: 0000000010020000 0 NOTYPE LOCAL DEFAULT [<other: 0x20>] 7 caller2
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# SYMBOL-NEXT: 4: 0000000010030000 0 NOTYPE LOCAL DEFAULT [<other: 0x20>] 8 caller3
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# SYMBOL: 6: 0000000010010010 16 FUNC LOCAL DEFAULT 6 __plt_pcrel_callee_global_stother0
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# SYMBOL-NEXT: 7: 0000000010020010 16 FUNC LOCAL DEFAULT 7 __plt_pcrel_callee_global_stother1
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# SYMBOL-NEXT: 8: 0000000010030010 16 FUNC LOCAL DEFAULT 8 __plt_pcrel_callee_global_TOC
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# SYMBOL-NEXT: 9: 0000000000000000 0 NOTYPE GLOBAL DEFAULT [<other: 0x60>] UND callee_global_TOC
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# SYMBOL-NEXT: 10: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND callee_global_stother0
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# SYMBOL-NEXT: 11: 0000000000000000 0 NOTYPE GLOBAL DEFAULT [<other: 0x20>] UND callee_global_stother1
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## DT_PLTGOT points to .plt
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# SEC: .plt NOBITS 0000000010030148 040148 000028 00 WA 0 0 8
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# SEC: 0x0000000000000003 (PLTGOT) 0x10030148
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## The first 2 entries in the .plt are reserved for the dynamic linkers
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## usage. The JMP_SLOT relocations are stored at .plt[2], .plt[3], .plt[4].
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## Check that we emit 3 R_PPC64_JMP_SLOT in .rela.plt.
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# REL: .rela.plt {
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# REL-NEXT: 0x10030158 R_PPC64_JMP_SLOT callee_global_stother0 0x0
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# REL-NEXT: 0x10030160 R_PPC64_JMP_SLOT callee_global_stother1 0x0
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# REL-NEXT: 0x10030168 R_PPC64_JMP_SLOT callee_global_TOC 0x0
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# REL-NEXT: }
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# CHECK-LABEL: <caller1>:
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# CHECK: 10010000: bl 0x10010010
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# CHECK-NEXT: 10010004: blr
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## .plt[2] - 0x10010010 = 0x10030158 - 0x10010010 = 0x20148 = 131400
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# CHECK-LABEL: <__plt_pcrel_callee_global_stother0>:
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# CHECK: 10010010: pld 12, 131400(0), 1
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# CHECK-NEXT: 10010018: mtctr 12
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# CHECK-NEXT: 1001001c: bctr
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# CHECK-LABEL: <caller2>:
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# CHECK: 10020000: bl 0x10020010
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# CHECK-NEXT: 10020004: blr
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## .plt[3] - 0x10020010 = 0x10030160 - 0x10020010 = 0x10150 = 65872
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# CHECK-LABEL: <__plt_pcrel_callee_global_stother1>:
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# CHECK: 10020010: pld 12, 65872(0), 1
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# CHECK-NEXT: 10020018: mtctr 12
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# CHECK-NEXT: 1002001c: bctr
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# CHECK-LABEL: <caller3>:
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# CHECK: 10030000: bl 0x10030010
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# CHECK-NEXT: 10030004: blr
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## .plt[4] - 0x10030010 = 0x10030168 - 0x10030010 = 0x150 = 344
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# CHECK-LABEL: <__plt_pcrel_callee_global_TOC>:
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# CHECK: 10030010: pld 12, 344(0), 1
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# CHECK-NEXT: 10030018: mtctr 12
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# CHECK-NEXT: 1003001c: bctr
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.ifdef AUX
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.section .text_caller1, "ax", %progbits
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caller1:
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.localentry caller1, 1
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bl callee_global_stother0@notoc
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blr
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.section .text_caller2, "ax", %progbits
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caller2:
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.localentry caller2, 1
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bl callee_global_stother1@notoc
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blr
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.section .text_caller3, "ax", %progbits
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caller3:
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.localentry caller3, 1
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bl callee_global_TOC@notoc
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blr
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.else
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func_extern:
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blr
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.globl callee_global_stother0
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callee_global_stother0:
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blr
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.globl callee_global_stother1
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callee_global_stother1:
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.localentry callee_global_stother1, 1
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## nop is not needed after bl for R_PPC64_REL24_NOTOC
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bl func_extern@notoc
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blr
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.globl callee_global_TOC
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callee_global_TOC:
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.Lfunc_gep1:
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addis 2, 12, .TOC.-.Lfunc_gep1@ha
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addi 2, 2, .TOC.-.Lfunc_gep1@l
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.Lfunc_lep1:
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.localentry callee_global_TOC, .Lfunc_lep1-.Lfunc_gep1
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addis 4, 2, global@toc@ha
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lwz 3, global@toc@l(4)
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blr
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global:
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.long 0
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.size global, 4
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.endif
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