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