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84 lines
3.9 KiB
ArmAsm
84 lines
3.9 KiB
ArmAsm
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! Testing Sparc TLS relocations emission
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! (for now a couple local ones).
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!
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! RUN: llvm-mc %s -arch=sparc -show-encoding | FileCheck %s --check-prefix=ASM
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! RUN: llvm-mc %s -arch=sparcv9 -show-encoding | FileCheck %s --check-prefix=ASM
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! RUN: llvm-mc %s -arch=sparc -filetype=obj | llvm-readobj -r | FileCheck %s --check-prefix=REL
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! RUN: llvm-mc %s -arch=sparcv9 -filetype=obj | llvm-readobj -r | FileCheck %s --check-prefix=REL
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! RUN: llvm-mc %s -arch=sparc -filetype=obj | llvm-objdump -r -d - | FileCheck %s --check-prefix=OBJDUMP
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! RUN: llvm-mc %s -arch=sparcv9 -filetype=obj | llvm-objdump -r -d - | FileCheck %s --check-prefix=OBJDUMP
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! REL: Arch: sparc
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! REL: Relocations [
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! REL: 0x{{[0-9,A-F]+}} R_SPARC_TLS_LE_HIX22 Head 0x0
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! REL: 0x{{[0-9,A-F]+}} R_SPARC_TLS_LE_LOX10 Head 0x0
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! REL: 0x{{[0-9,A-F]+}} R_SPARC_TLS_LDO_HIX22 Head 0x0
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! REL: 0x{{[0-9,A-F]+}} R_SPARC_TLS_LDM_HI22 Head 0x0
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! REL: 0x{{[0-9,A-F]+}} R_SPARC_TLS_LDM_LO10 Head 0x0
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! REL: 0x{{[0-9,A-F]+}} R_SPARC_TLS_LDO_LOX10 Head 0x0
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! REL: ]
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! OBJDUMP: foo:
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foo:
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! Here we use two different sequences to get the address of a static TLS variable 'Head'
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! (note - there is no intent to have valid assembler function here,
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! we just check how TLS relocations are emitted)
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!
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! First sequence uses LE_HIX22/LE_LOX10
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! OBJDUMP: {{[0-9,a-f]+}}: 31 00 00 00 sethi 0, %i0
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! OBJDUMP: {{[0-9,a-f]+}}: R_SPARC_TLS_LE_HIX22 Unknown
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! ASM: sethi %tle_hix22(Head), %i0 ! encoding: [0x31,0x00,0x00,0x00]
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! ASM: ! fixup A - offset: 0, value: %tle_hix22(Head), kind: fixup_sparc_tls_le_hix22
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sethi %tle_hix22(Head), %i0
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! OBJDUMP: {{[0-9,a-f]+}}: b0 1e 20 00 xor %i0, 0, %i0
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! OBJDUMP: {{[0-9,a-f]+}}: R_SPARC_TLS_LE_LOX10 Unknown
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! ASM: xor %i0, %tle_lox10(Head), %i0 ! encoding: [0xb0,0x1e,0x20,0x00]
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! ASM: ! fixup A - offset: 0, value: %tle_lox10(Head), kind: fixup_sparc_tls_le_lox10
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xor %i0, %tle_lox10(Head), %i0
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! Second sequence is for PIC, so it is more complicated.
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! It uses LDO_HIX22/LDO_LOX10/LDO_ADD/LDM_HI22/LDM_LO10/LDM_ADD/LDM_CALL
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! OBJDUMP: {{[0-9,a-f]+}}: 33 00 00 00 sethi 0, %i1
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! OBJDUMP: {{[0-9,a-f]+}}: R_SPARC_TLS_LDO_HIX22 Unknown
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! ASM: sethi %tldo_hix22(Head), %i1 ! encoding: [0x33,0b00AAAAAA,A,A]
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! ASM: ! fixup A - offset: 0, value: %tldo_hix22(Head), kind: fixup_sparc_tls_ldo_hix22
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sethi %tldo_hix22(Head), %i1
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! OBJDUMP: {{[0-9,a-f]+}}: 35 00 00 00 sethi 0, %i2
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! OBJDUMP: {{[0-9,a-f]+}}: R_SPARC_TLS_LDM_HI22 Unknown
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! ASM: sethi %tldm_hi22(Head), %i2 ! encoding: [0x35,0b00AAAAAA,A,A]
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! ASM: ! fixup A - offset: 0, value: %tldm_hi22(Head), kind: fixup_sparc_tls_ldm_hi22
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sethi %tldm_hi22(Head), %i2
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! OBJDUMP: {{[0-9,a-f]+}}: b4 06 a0 00 add %i2, 0, %i2
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! OBJDUMP: {{[0-9,a-f]+}}: R_SPARC_TLS_LDM_LO10 Unknown
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! ASM: add %i2, %tldm_lo10(Head), %i2 ! encoding: [0xb4,0x06,0b101000AA,A]
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! ASM: ! fixup A - offset: 0, value: %tldm_lo10(Head), kind: fixup_sparc_tls_ldm_lo10
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add %i2, %tldm_lo10(Head), %i2
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! ???error from llvm-mc on the next asm line???
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! add %i0, %i2, %o0, %tldm_add(Head)
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! OBJDUMP: {{[0-9,a-f]+}}: b0 1e 60 00 xor %i1, 0, %i0
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! OBJDUMP: {{[0-9,a-f]+}}: R_SPARC_TLS_LDO_LOX10 Unknown
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! ASM: xor %i1, %tldo_lox10(Head), %i0 ! encoding: [0xb0,0x1e,0b011000AA,A]
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! ASM: ! fixup A - offset: 0, value: %tldo_lox10(Head), kind: fixup_sparc_tls_ldo_lox10
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xor %i1, %tldo_lox10(Head), %i0
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! ???error from llvm-mc on the next asm line???
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! call __tls_get_addr, %tldm_call(Head)
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! nop
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! ???error from llvm-mc on the next asm line???
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! add %o0, %i0, %i0, %tldo_add(Head)
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.type Head,@object
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.section .tbss,#alloc,#write,#tls
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Head:
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.word 0
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.size Head, 4
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