derek.holloway
7502bf64a4
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135 lines
5.0 KiB
ArmAsm
135 lines
5.0 KiB
ArmAsm
// REQUIRES: aarch64
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// RUN: rm -rf %t && split-file %s %t && cd %t
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//--- a.s
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.section .tbss,"awT",@nobits
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.global a
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a:
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.xword 0
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//--- ok.s
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// RUN: llvm-mc -filetype=obj -triple=aarch64-pc-linux -mattr=+pauth ok.s -o ok.o
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// RUN: ld.lld -shared ok.o -o ok.so
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// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn ok.so | \
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// RUN: FileCheck -DP=20 -DA=896 -DB=912 -DC=928 %s
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// RUN: llvm-readobj -r -x .got ok.so | FileCheck --check-prefix=REL \
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// RUN: -DP1=20 -DA1=380 -DB1=390 -DC1=3A0 -DP2=020 -DA2=380 -DB2=390 -DC2=3a0 %s
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// RUN: llvm-mc -filetype=obj -triple=aarch64-pc-linux -mattr=+pauth a.s -o a.so.o
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// RUN: ld.lld -shared a.so.o -soname=so -o a.so
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// RUN: ld.lld ok.o a.so -o ok
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// RUN: llvm-objdump --no-print-imm-hex -d --no-show-raw-insn ok | \
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// RUN: FileCheck -DP=220 -DA=936 -DB=952 -DC=968 %s
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// RUN: llvm-readobj -r -x .got ok | FileCheck --check-prefix=REL \
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// RUN: -DP1=220 -DA1=3A8 -DB1=3B8 -DC1=3C8 -DP2=220 -DA2=3a8 -DB2=3b8 -DC2=3c8 %s
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.text
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adrp x0, :tlsdesc_auth:a
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ldr x16, [x0, :tlsdesc_auth_lo12:a]
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add x0, x0, :tlsdesc_auth_lo12:a
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blraa x16, x0
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// CHECK: adrp x0, 0x[[P]]000
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// CHECK-NEXT: ldr x16, [x0, #[[A]]]
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// CHECK-NEXT: add x0, x0, #[[A]]
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// CHECK-NEXT: blraa x16, x0
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/// Create relocation against local TLS symbols where linker should
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/// create target specific dynamic TLSDESC relocation where addend is
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/// the symbol VMA in tls block.
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adrp x0, :tlsdesc_auth:local1
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ldr x16, [x0, :tlsdesc_auth_lo12:local1]
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add x0, x0, :tlsdesc_auth_lo12:local1
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blraa x16, x0
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// CHECK: adrp x0, 0x[[P]]000
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// CHECK-NEXT: ldr x16, [x0, #[[B]]]
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// CHECK-NEXT: add x0, x0, #[[B]]
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// CHECK-NEXT: blraa x16, x0
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adrp x0, :tlsdesc_auth:local2
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ldr x16, [x0, :tlsdesc_auth_lo12:local2]
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add x0, x0, :tlsdesc_auth_lo12:local2
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blraa x16, x0
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// CHECK: adrp x0, 0x[[P]]000
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// CHECK-NEXT: ldr x16, [x0, #[[C]]]
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// CHECK-NEXT: add x0, x0, #[[C]]
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// CHECK-NEXT: blraa x16, x0
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.section .tbss,"awT",@nobits
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.type local1,@object
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.p2align 2
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local1:
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.word 0
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.size local1, 4
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.type local2,@object
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.p2align 3
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local2:
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.xword 0
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.size local2, 8
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// R_AARCH64_AUTH_TLSDESC - 0x0 -> start of tls block
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// R_AARCH64_AUTH_TLSDESC - 0x8 -> align (sizeof (local1), 8)
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// REL: Relocations [
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// REL-NEXT: Section (5) .rela.dyn {
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// REL-NEXT: 0x[[P1]][[B1]] R_AARCH64_AUTH_TLSDESC - 0x0
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// REL-NEXT: 0x[[P1]][[C1]] R_AARCH64_AUTH_TLSDESC - 0x8
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// REL-NEXT: 0x[[P1]][[A1]] R_AARCH64_AUTH_TLSDESC a 0x0
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// REL-NEXT: }
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// REL-NEXT: ]
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// REL: Hex dump of section '.got':
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// REL-NEXT: 0x00[[P2]][[A2]] 00000000 00000080 00000000 000000a0
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// REL-NEXT: 0x00[[P2]][[B2]] 00000000 00000080 00000000 000000a0
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// REL-NEXT: 0x00[[P2]][[C2]] 00000000 00000080 00000000 000000a0
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/// ^^
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/// 0b10000000 bit 63 address diversity = true, bits 61..60 key = IA
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/// ^^
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/// 0b10100000 bit 63 address diversity = true, bits 61..60 key = DA
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//--- err1.s
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// RUN: llvm-mc -filetype=obj -triple=aarch64-pc-linux -mattr=+pauth err1.s -o err1.o
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// RUN: not ld.lld -shared err1.o 2>&1 | FileCheck --check-prefix=ERR1 --implicit-check-not=error: %s
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// ERR1: error: both AUTH and non-AUTH TLSDESC entries for 'a' requested, but only one type of TLSDESC entry per symbol is supported
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.text
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adrp x0, :tlsdesc_auth:a
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ldr x16, [x0, :tlsdesc_auth_lo12:a]
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add x0, x0, :tlsdesc_auth_lo12:a
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blraa x16, x0
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adrp x0, :tlsdesc:a
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ldr x1, [x0, :tlsdesc_lo12:a]
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add x0, x0, :tlsdesc_lo12:a
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blr x1
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//--- err2.s
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// RUN: llvm-mc -filetype=obj -triple=aarch64-pc-linux -mattr=+pauth err2.s -o err2.o
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// RUN: not ld.lld -shared err2.o 2>&1 | FileCheck --check-prefix=ERR2 --implicit-check-not=error: %s
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// ERR2: error: both AUTH and non-AUTH TLSDESC entries for 'a' requested, but only one type of TLSDESC entry per symbol is supported
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.text
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adrp x0, :tlsdesc:a
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ldr x1, [x0, :tlsdesc_lo12:a]
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add x0, x0, :tlsdesc_lo12:a
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blr x1
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adrp x0, :tlsdesc_auth:a
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ldr x16, [x0, :tlsdesc_auth_lo12:a]
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add x0, x0, :tlsdesc_auth_lo12:a
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blraa x16, x0
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//--- err3.s
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// RUN: llvm-mc -filetype=obj -triple=aarch64-pc-linux -mattr=+pauth err3.s -o err3.o
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// RUN: not ld.lld -shared err3.o 2>&1 | FileCheck --check-prefix=ERR3 --implicit-check-not=error: %s
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// ERR3: error: both AUTH and non-AUTH TLSDESC entries for 'a' requested, but only one type of TLSDESC entry per symbol is supported
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.text
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adrp x0, :tlsdesc_auth:a
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ldr x16, [x0, :tlsdesc_auth_lo12:a]
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add x0, x0, :tlsdesc_auth_lo12:a
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.tlsdesccall a
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blraa x16, x0
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