derek.holloway
7502bf64a4
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115 lines
3.0 KiB
ArmAsm
115 lines
3.0 KiB
ArmAsm
# REQUIRES: hexagon
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# RUN: llvm-mc -mno-fixup -filetype=obj -triple=hexagon-unknown-elf %s -o %t.o
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# RUN: llvm-mc -filetype=obj -triple=hexagon-unknown-elf %S/Inputs/hexagon-shared.s -o %t2.o
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# RUN: ld.lld -shared %t2.o -soname so -o %t3.so
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# RUN: ld.lld -shared %t.o %t3.so -o %t4.so
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# RUN: ld.lld -Bsymbolic -shared %t.o %t3.so -o %t5.so
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# RUN: llvm-objdump --no-print-imm-hex -d -j .plt %t4.so | FileCheck --check-prefix=PLT %s
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# RUN: llvm-objdump --no-print-imm-hex -d -j .text %t4.so | FileCheck --check-prefix=TEXT %s
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# RUN: llvm-objdump --no-print-imm-hex -D -j .got %t4.so | FileCheck --check-prefix=GOT %s
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# RUN: llvm-readelf -r %t4.so | FileCheck --check-prefix=RELO %s
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# RUN: llvm-readelf -r %t5.so | FileCheck --check-prefix=SYMBOLIC %s
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.global _start, foo, hidden_symbol
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.hidden hidden_symbol
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_start:
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# When -Bsymbolic is specified calls to locally resolvables should
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# not generate a plt.
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call ##foo
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# Calls to hidden_symbols should not trigger a plt.
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call ##hidden_symbol
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# _HEX_32_PCREL
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.word _DYNAMIC - .
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call ##bar
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# R_HEX_PLT_B22_PCREL
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call bar@PLT
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# R_HEX_B15_PCREL_X
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if (p0) jump bar
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# R_HEX_B9_PCREL_X
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{ r0 = #0; jump bar }
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# R_HEX_GOT_11_X and R_HEX_GOT_32_6_X
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r2=add(pc,##_GLOBAL_OFFSET_TABLE_@PCREL)
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r0 = memw (r2+##bar@GOT)
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jumpr r0
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# R_HEX_GOT_16_X
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r0 = add(r1,##bar@GOT)
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# R_HEX_GOT_16_X, duplex
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{ r0 = add(r0,##bar@GOT)
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memw(r0) = r2 }
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# R_HEX_GOT_16_X, pred add
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if (p0) r0 = add(r0,##bar@GOT)
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if (!p0) r0 = add(r0,##bar@GOT)
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{ p0 = cmp.gtu(r0, r1)
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if (p0.new) r0 = add(r0,##bar@GOT) }
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{ p0 = cmp.gtu(r0, r1)
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if (!p0.new) r0 = add(r0,##bar@GOT) }
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# foo is local so no plt will be generated
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foo:
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jumpr lr
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hidden_symbol:
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jumpr lr
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# R_HEX_32
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.data
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.global var
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.type var,@object
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.p2align 2
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var:
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.word 10
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.size var, 4
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.global pvar
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.type pvar,@object
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pvar:
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.word var
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.size pvar, 4
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# PLT: { immext(#131264
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# PLT-NEXT: r28 = add(pc,##131268) }
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# PLT-NEXT: { r14 -= add(r28,#16)
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# PLT-NEXT: r15 = memw(r28+#8)
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# PLT-NEXT: r28 = memw(r28+#4) }
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# PLT-NEXT: { r14 = asr(r14,#2)
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# PLT-NEXT: jumpr r28 }
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# PLT-NEXT: { trap0(#219) }
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# PLT-EMPTY:
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# PLT-NEXT: 000102f0 <foo@plt>:
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# PLT-NEXT: immext(#131200)
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# PLT-NEXT: r14 = add(pc,##131252) }
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# PLT-NEXT: r28 = memw(r14+#0) }
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# PLT-NEXT: jumpr r28 }
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# TEXT: bc 00 01 00 000100bc
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# TEXT: { call 0x10300 <bar@plt> }
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# TEXT: if (p0) jump:nt 0x10300
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# TEXT: r0 = #0 ; jump 0x10300
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# TEXT: r0 = add(r1,##-65548)
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# TEXT: r0 = add(r0,##-65548); memw(r0+#0) = r2 }
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# TEXT: if (p0) r0 = add(r0,##-65548)
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# TEXT: if (!p0) r0 = add(r0,##-65548)
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# TEXT: if (p0.new) r0 = add(r0,##-65548)
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# TEXT: if (!p0.new) r0 = add(r0,##-65548)
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# GOT: .got:
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# GOT: 00 00 00 00 00000000 <unknown>
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# RELO: R_HEX_GLOB_DAT
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# RELO: R_HEX_32
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# RELO: Relocation section '.rela.plt' at offset 0x22c contains 2 entries:
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# RELO: R_HEX_JMP_SLOT {{.*}} foo
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# RELO-NEXT: R_HEX_JMP_SLOT {{.*}} bar
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# RELO-NOT: R_HEX_JMP_SLOT {{.*}} hidden
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# Make sure that no PLT is generated for a local call.
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# SYMBOLIC: Relocation section '.rela.plt' at offset 0x22c contains 1 entries:
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# SYMBOLIC: R_HEX_JMP_SLOT {{.*}} bar
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# SYMBOLIC-NOT: R_HEX_JMP_SLOT {{.*}} foo
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