forked from OSchip/llvm-project
255 lines
7.7 KiB
ArmAsm
255 lines
7.7 KiB
ArmAsm
# REQUIRES: aarch64
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# RUN: llvm-mc -filetype=obj -triple=aarch64-unknown-freebsd %s -o %t
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# RUN: echo '.globl zero; zero = 0' | llvm-mc -filetype=obj -triple=aarch64-unknown-freebsd -o %t2.o
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# RUN: ld.lld %t %t2.o -o %t2
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# RUN: llvm-objdump -d %t2 | FileCheck %s
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.section .R_AARCH64_ADR_PREL_LO21,"ax",@progbits
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.globl _start
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_start:
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adr x1,msg
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msg: .asciz "Hello, world\n"
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msgend:
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# CHECK: Disassembly of section .R_AARCH64_ADR_PREL_LO21:
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# CHECK-EMPTY:
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# CHECK: <_start>:
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# CHECK: 0: 21 00 00 10 adr x1, #4
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# CHECK: <msg>:
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# CHECK: 4:
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# #4 is the adr immediate value.
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.section .R_AARCH64_ADR_PREL_PG_HI21,"ax",@progbits
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adrp x1,mystr
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mystr:
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.asciz "blah"
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.size mystr, 4
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# PAGE(S + A) - PAGE(P) = PAGE(210136) - PAGE(0x210132) = 0
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#
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# CHECK: Disassembly of section .R_AARCH64_ADR_PREL_PG_HI21:
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# CHECK-EMPTY:
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# CHECK-NEXT: <$x.2>:
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# CHECK-NEXT: 210132: 01 00 00 90 adrp x1, 0x210000
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.section .R_AARCH64_ADD_ABS_LO12_NC,"ax",@progbits
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add x0, x0, :lo12:.L.str
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.L.str:
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.asciz "blah"
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.size mystr, 4
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# S = 0x21013b, A = 0x4
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# R = (S + A) & 0xFFF = 319
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#
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# CHECK: Disassembly of section .R_AARCH64_ADD_ABS_LO12_NC:
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# CHECK-EMPTY:
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# CHECK-NEXT: <$x.4>:
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# CHECK-NEXT: 21013b: 00 fc 04 91 add x0, x0, #319
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.section .R_AARCH64_LDST64_ABS_LO12_NC,"ax",@progbits
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ldr x28, [x27, :lo12:foo]
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foo:
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.asciz "foo"
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.size mystr, 3
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# S = 0x210144, A = 0x4
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# R = ((S + A) & 0xFFF) << 7 = 0x0000a400
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# 0x0000a400 | 0xf940177c = 0xf940a77c
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# CHECK: Disassembly of section .R_AARCH64_LDST64_ABS_LO12_NC:
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# CHECK-EMPTY:
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# CHECK-NEXT: <$x.6>:
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# CHECK-NEXT: 210144: 7c a7 40 f9 ldr x28, [x27, #328]
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.section .SUB,"ax",@progbits
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nop
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sub:
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nop
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# CHECK: Disassembly of section .SUB:
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# CHECK-EMPTY:
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# CHECK-NEXT: <$x.8>:
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# CHECK-NEXT: 21014c: 1f 20 03 d5 nop
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# CHECK: <sub>:
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# CHECK-NEXT: 210150: 1f 20 03 d5 nop
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.section .R_AARCH64_CALL26,"ax",@progbits
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call26:
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bl sub
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# S = 0x21014c, A = 0x4, P = 0x210154
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# R = S + A - P = -0x4 = 0xfffffffc
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# (R & 0x0ffffffc) >> 2 = 0x03ffffff
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# 0x94000000 | 0x03ffffff = 0x97ffffff
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# CHECK: Disassembly of section .R_AARCH64_CALL26:
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# CHECK-EMPTY:
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# CHECK-NEXT: <call26>:
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# CHECK-NEXT: 210154: ff ff ff 97 bl 0x210150
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.section .R_AARCH64_JUMP26,"ax",@progbits
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jump26:
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b sub
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# S = 0x21014c, A = 0x4, P = 0x210158
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# R = S + A - P = -0x8 = 0xfffffff8
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# (R & 0x0ffffffc) >> 2 = 0x03fffffe
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# 0x14000000 | 0x03fffffe = 0x17fffffe
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# CHECK: Disassembly of section .R_AARCH64_JUMP26:
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# CHECK-EMPTY:
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# CHECK-NEXT: <jump26>:
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# CHECK-NEXT: 210158: fe ff ff 17 b 0x210150
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.section .R_AARCH64_LDST32_ABS_LO12_NC,"ax",@progbits
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ldst32:
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ldr s4, [x5, :lo12:foo32]
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foo32:
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.asciz "foo"
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.size mystr, 3
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# S = 0x21015c, A = 0x4
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# R = ((S + A) & 0xFFC) << 8 = 0x00016000
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# 0x00016000 | 0xbd4000a4 = 0xbd4160a4
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# CHECK: Disassembly of section .R_AARCH64_LDST32_ABS_LO12_NC:
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# CHECK-EMPTY:
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# CHECK-NEXT: <ldst32>:
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# CHECK-NEXT: 21015c: a4 60 41 bd ldr s4, [x5, #352]
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.section .R_AARCH64_LDST8_ABS_LO12_NC,"ax",@progbits
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ldst8:
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ldrsb x11, [x13, :lo12:foo8]
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foo8:
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.asciz "foo"
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.size mystr, 3
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# S = 0x210164, A = 0x4
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# R = ((S + A) & 0xFFF) << 10 = 0x0005a000
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# 0x0005a000 | 0x398001ab = 0x3985a1ab
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# CHECK: Disassembly of section .R_AARCH64_LDST8_ABS_LO12_NC:
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# CHECK-EMPTY:
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# CHECK-NEXT: <ldst8>:
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# CHECK-NEXT: 210164: ab a1 85 39 ldrsb x11, [x13, #360]
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.section .R_AARCH64_LDST128_ABS_LO12_NC,"ax",@progbits
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ldst128:
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ldr q20, [x19, #:lo12:foo128]
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foo128:
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.asciz "foo"
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.size mystr, 3
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# S = 0x21016c, A = 0x4
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# R = ((S + A) & 0xFF8) << 6 = 0x00005c00
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# 0x00005c00 | 0x3dc00274 = 0x3dc05e74
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# CHECK: Disassembly of section .R_AARCH64_LDST128_ABS_LO12_NC:
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# CHECK-EMPTY:
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# CHECK: <ldst128>:
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# CHECK: 21016c: 74 5e c0 3d ldr q20, [x19, #368]
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#foo128:
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# 210170: 66 6f 6f 00 .word
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.section .R_AARCH64_LDST16_ABS_LO12_NC,"ax",@progbits
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ldst16:
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ldr h17, [x19, :lo12:foo16]
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ldrh w1, [x19, :lo12:foo16]
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ldrh w2, [x19, :lo12:foo16 + 2]
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foo16:
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.asciz "foo"
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.size mystr, 4
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# S = 0x210174, A = 0x4
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# R = ((S + A) & 0x0FFC) << 9 = 0x2f000
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# 0x2f000 | 0x7d400271 = 0x7d430271
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# CHECK: Disassembly of section .R_AARCH64_LDST16_ABS_LO12_NC:
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# CHECK-EMPTY:
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# CHECK-NEXT: <ldst16>:
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# CHECK-NEXT: 210174: 71 02 43 7d ldr h17, [x19, #384]
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# CHECK-NEXT: 210178: 61 02 43 79 ldrh w1, [x19, #384]
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# CHECK-NEXT: 21017c: 62 06 43 79 ldrh w2, [x19, #386]
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.section .R_AARCH64_MOVW_UABS,"ax",@progbits
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movz1:
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movk x12, #:abs_g0:zero+0xC
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movk x12, #:abs_g0_nc:zero+0xF000E000D000C
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movk x13, #:abs_g1:zero+0xD000C
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movk x13, #:abs_g1_nc:zero+0xF000E000D000C
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movk x14, #:abs_g2:zero+0xE000D000C
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movk x14, #:abs_g2_nc:zero+0xF000E000D000C
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movz x15, #:abs_g3:zero+0xF000E000D000C
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movk x16, #:abs_g3:zero+0xF000E000D000C
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## 4222124650659840 == (0xF << 48)
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# CHECK: Disassembly of section .R_AARCH64_MOVW_UABS:
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# CHECK-EMPTY:
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# CHECK-NEXT: <movz1>:
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# CHECK-NEXT: 8c 01 80 f2 movk x12, #12
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# CHECK-NEXT: 8c 01 80 f2 movk x12, #12
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# CHECK-NEXT: ad 01 a0 f2 movk x13, #13, lsl #16
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# CHECK-NEXT: ad 01 a0 f2 movk x13, #13, lsl #16
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# CHECK-NEXT: ce 01 c0 f2 movk x14, #14, lsl #32
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# CHECK-NEXT: ce 01 c0 f2 movk x14, #14, lsl #32
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# CHECK-NEXT: ef 01 e0 d2 mov x15, #4222124650659840
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# CHECK-NEXT: f0 01 e0 f2 movk x16, #15, lsl #48
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.section .R_AARCH64_MOVW_SABS,"ax",@progbits
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movz x1, #:abs_g0_s:zero+1
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movz x1, #:abs_g0_s:zero-1
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movz x2, #:abs_g1_s:zero+0x20000
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movz x2, #:abs_g1_s:zero-0x20000
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movz x3, #:abs_g2_s:zero+0x300000000
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movz x3, #:abs_g2_s:zero-0x300000000
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# CHECK: Disassembly of section .R_AARCH64_MOVW_SABS:
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# CHECK-EMPTY:
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# CHECK-NEXT: :
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# CHECK-NEXT: 21 00 80 d2 mov x1, #1
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# CHECK-NEXT: 01 00 80 92 mov x1, #-1
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# CHECK-NEXT: 42 00 a0 d2 mov x2, #131072
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## -65537 = 0xfffffffffffeffff
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# CHECK-NEXT: 22 00 a0 92 mov x2, #-65537
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## 12884901888 = 0x300000000
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# CHECK-NEXT: 63 00 c0 d2 mov x3, #12884901888
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## -8589934593 = #0xfffffffdffffffff
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# CHECK-NEXT: 43 00 c0 92 mov x3, #-8589934593
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.section .R_AARCH64_MOVW_PREL,"ax",@progbits
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movz x1, #:prel_g0:.+1
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movz x1, #:prel_g0_nc:.-1
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movk x1, #:prel_g0:.+1
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movk x1, #:prel_g0_nc:.-1
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movz x2, #:prel_g1:.+0x20000
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movz x2, #:prel_g1_nc:.-0x20000
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movk x2, #:prel_g1:.+0x20000
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movk x2, #:prel_g1_nc:.-0x20000
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movz x3, #:prel_g2:.+0x300000000
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movz x3, #:prel_g2_nc:.-0x300000000
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movk x3, #:prel_g2:.+0x300000000
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movk x3, #:prel_g2_nc:.-0x300000000
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movz x3, #:prel_g2:.+0x300000000
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movz x4, #:prel_g3:.+0x4000000000000
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movz x4, #:prel_g3:.-0x4000000000000
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movk x4, #:prel_g3:.+0x4000000000000
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movk x4, #:prel_g3:.-0x4000000000000
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# CHECK: Disassembly of section .R_AARCH64_MOVW_PREL:
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# CHECK-EMPTY:
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# CHECK-NEXT: :
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# CHECK-NEXT: 2101bc: 21 00 80 d2 mov x1, #1
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# CHECK-NEXT: 2101c0: 01 00 80 92 mov x1, #-1
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# CHECK-NEXT: 2101c4: 21 00 80 f2 movk x1, #1
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# CHECK-NEXT: 2101c8: e1 ff 9f f2 movk x1, #65535
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# CHECK-NEXT: 2101cc: 42 00 a0 d2 mov x2, #131072
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## -65537 = 0xfffffffffffeffff
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# CHECK-NEXT: 2101d0: 22 00 a0 92 mov x2, #-65537
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# CHECK-NEXT: 2101d4: 42 00 a0 f2 movk x2, #2, lsl #16
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# CHECK-NEXT: 2101d8: c2 ff bf f2 movk x2, #65534, lsl #16
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## 12884901888 = 0x300000000
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# CHECK-NEXT: 2101dc: 63 00 c0 d2 mov x3, #12884901888
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## -8589934593 = #0xfffffffdffffffff
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# CHECK-NEXT: 2101e0: 43 00 c0 92 mov x3, #-8589934593
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# CHECK-NEXT: 2101e4: 63 00 c0 f2 movk x3, #3, lsl #32
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# CHECK-NEXT: 2101e8: a3 ff df f2 movk x3, #65533, lsl #32
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# CHECK-NEXT: 2101ec: 63 00 c0 d2 mov x3, #12884901888
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## 1125899906842624 = 0x4000000000000
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# CHECK-NEXT: 2101f0: 84 00 e0 d2 mov x4, #1125899906842624
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# CHECK-NEXT: 2101f4: 84 ff ff d2 mov x4, #-1125899906842624
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# CHECK-NEXT: 2101f8: 84 00 e0 f2 movk x4, #4, lsl #48
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# CHECK-NEXT: 2101fc: 84 ff ff f2 movk x4, #65532, lsl #48
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