// RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o // RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %p/Inputs/shared.s -o %t2.o // RUN: ld.lld -shared %t2.o -o %t2.so // RUN: ld.lld -shared %t.o %t2.so -o %t // RUN: ld.lld %t.o %t2.so -o %t3 // RUN: llvm-readobj -s -r %t | FileCheck %s // RUN: llvm-objdump -d %t | FileCheck --check-prefix=DISASM %s // RUN: llvm-readobj -s -r %t3 | FileCheck --check-prefix=CHECK2 %s // RUN: llvm-objdump -d %t3 | FileCheck --check-prefix=DISASM2 %s // REQUIRES: x86 // CHECK: Name: .plt // CHECK-NEXT: Type: SHT_PROGBITS // CHECK-NEXT: Flags [ // CHECK-NEXT: SHF_ALLOC // CHECK-NEXT: SHF_EXECINSTR // CHECK-NEXT: ] // CHECK-NEXT: Address: 0x1020 // CHECK-NEXT: Offset: // CHECK-NEXT: Size: 64 // CHECK-NEXT: Link: 0 // CHECK-NEXT: Info: 0 // CHECK-NEXT: AddressAlignment: 16 // CHECK: Relocations [ // CHECK-NEXT: Section ({{.*}}) .rela.plt { // CHECK-NEXT: 0x3018 R_X86_64_JUMP_SLOT bar 0x0 // CHECK-NEXT: 0x3020 R_X86_64_JUMP_SLOT zed 0x0 // CHECK-NEXT: 0x3028 R_X86_64_JUMP_SLOT _start 0x0 // CHECK-NEXT: } // CHECK-NEXT: ] // CHECK2: Name: .plt // CHECK2-NEXT: Type: SHT_PROGBITS // CHECK2-NEXT: Flags [ // CHECK2-NEXT: SHF_ALLOC // CHECK2-NEXT: SHF_EXECINSTR // CHECK2-NEXT: ] // CHECK2-NEXT: Address: 0x11020 // CHECK2-NEXT: Offset: // CHECK2-NEXT: Size: 48 // CHECK2-NEXT: Link: 0 // CHECK2-NEXT: Info: 0 // CHECK2-NEXT: AddressAlignment: 16 // CHECK2: Relocations [ // CHECK2-NEXT: Section ({{.*}}) .rela.plt { // CHECK2-NEXT: 0x13018 R_X86_64_JUMP_SLOT bar 0x0 // CHECK2-NEXT: 0x13020 R_X86_64_JUMP_SLOT zed 0x0 // CHECK2-NEXT: } // CHECK2-NEXT: ] // Unfortunately FileCheck can't do math, so we have to check for explicit // values: // 0x1030 - (0x1000 + 5) = 43 // 0x1030 - (0x1005 + 5) = 38 // 0x1040 - (0x100a + 5) = 49 // 0x1048 - (0x100a + 5) = 60 // DISASM: _start: // DISASM-NEXT: 1000: e9 {{.*}} jmp 43 // DISASM-NEXT: 1005: e9 {{.*}} jmp 38 // DISASM-NEXT: 100a: e9 {{.*}} jmp 49 // DISASM-NEXT: 100f: e9 {{.*}} jmp 60 // 0x3018 - 0x1036 = 8162 // 0x3020 - 0x1046 = 4234 // 0x3028 - 0x1056 = 4226 // DISASM: Disassembly of section .plt: // DISASM-NEXT: .plt: // DISASM-NEXT: 1020: ff 35 e2 1f 00 00 pushq 8162(%rip) // DISASM-NEXT: 1026: ff 25 e4 1f 00 00 jmpq *8164(%rip) // DISASM-NEXT: 102c: 0f 1f 40 00 nopl (%rax) // DISASM-NEXT: 1030: ff 25 e2 1f 00 00 jmpq *8162(%rip) // DISASM-NEXT: 1036: 68 00 00 00 00 pushq $0 // DISASM-NEXT: 103b: e9 e0 ff ff ff jmp -32 <.plt> // DISASM-NEXT: 1040: ff 25 da 1f 00 00 jmpq *8154(%rip) // DISASM-NEXT: 1046: 68 01 00 00 00 pushq $1 // DISASM-NEXT: 104b: e9 d0 ff ff ff jmp -48 <.plt> // DISASM-NEXT: 1050: ff 25 d2 1f 00 00 jmpq *8146(%rip) // DISASM-NEXT: 1056: 68 02 00 00 00 pushq $2 // DISASM-NEXT: 105b: e9 c0 ff ff ff jmp -64 <.plt> // 0x11030 - (0x11000 + 1) - 4 = 43 // 0x11030 - (0x11005 + 1) - 4 = 38 // 0x11040 - (0x1100a + 1) - 4 = 49 // 0x11000 - (0x1100f + 1) - 4 = -20 // DISASM2: _start: // DISASM2-NEXT: 11000: e9 {{.*}} jmp 43 // DISASM2-NEXT: 11005: e9 {{.*}} jmp 38 // DISASM2-NEXT: 1100a: e9 {{.*}} jmp 49 // DISASM2-NEXT: 1100f: e9 {{.*}} jmp -20 // 0x13018 - 0x11036 = 4242 // 0x13020 - 0x11046 = 4234 // DISASM2: Disassembly of section .plt: // DISASM2-NEXT: .plt: // DISASM2-NEXT: 11020: ff 35 e2 1f 00 00 pushq 8162(%rip) // DISASM2-NEXT: 11026: ff 25 e4 1f 00 00 jmpq *8164(%rip) // DISASM2-NEXT: 1102c: 0f 1f 40 00 nopl (%rax) // DISASM2-NEXT: 11030: ff 25 e2 1f 00 00 jmpq *8162(%rip) // DISASM2-NEXT: 11036: 68 00 00 00 00 pushq $0 // DISASM2-NEXT: 1103b: e9 e0 ff ff ff jmp -32 <.plt> // DISASM2-NEXT: 11040: ff 25 da 1f 00 00 jmpq *8154(%rip) // DISASM2-NEXT: 11046: 68 01 00 00 00 pushq $1 // DISASM2-NEXT: 1104b: e9 d0 ff ff ff jmp -48 <.plt> // DISASM2-NOT: 110C0 .global _start _start: jmp bar@PLT jmp bar@PLT jmp zed@PLT jmp _start@plt