// RUN: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t.o // RUN: ld.lld -static %t.o -o %tout // RUN: llvm-objdump -triple armv7a-none-linux-gnueabi -d %tout | FileCheck %s --check-prefix=DISASM // RUN: llvm-readobj -r -symbols -sections %tout | FileCheck %s // REQUIRES: arm .syntax unified .text .type foo STT_GNU_IFUNC .globl foo foo: bx lr .type bar STT_GNU_IFUNC .globl bar bar: bx lr .globl _start _start: bl foo bl bar movw r0,:lower16:__rel_iplt_start movt r0,:upper16:__rel_iplt_start movw r0,:lower16:__rel_iplt_end movt r0,:upper16:__rel_iplt_end // CHECK: Sections [ // CHECK: Section { // CHECK: Section { // CHECK: Name: .rel.dyn // CHECK-NEXT: Type: SHT_REL // CHECK-NEXT: Flags [ // CHECK-NEXT: SHF_ALLOC // CHECK-NEXT: ] // CHECK-NEXT: Address: 0x100F4 // CHECK-NEXT: Offset: 0xF4 // CHECK-NEXT: Size: 16 // CHECK: Name: .plt // CHECK-NEXT: Type: SHT_PROGBITS // CHECK-NEXT: Flags [ // CHECK-NEXT: SHF_ALLOC // CHECK-NEXT: SHF_EXECINSTR // CHECK-NEXT: ] // CHECK-NEXT: Address: 0x11020 // CHECK-NEXT: Offset: 0x1020 // CHECK-NEXT: Size: 32 // CHECK: Name: .got // CHECK-NEXT: Type: SHT_PROGBITS // CHECK-NEXT: Flags [ // CHECK-NEXT: SHF_ALLOC // CHECK-NEXT: SHF_WRITE // CHECK-NEXT: ] // CHECK-NEXT: Address: 0x12000 // CHECK-NEXT: Offset: 0x2000 // CHECK-NEXT: Size: 8 // CHECK: Relocations [ // CHECK-NEXT: Section (1) .rel.dyn { // CHECK-NEXT: 0x12000 R_ARM_IRELATIVE // CHECK-NEXT: 0x12004 R_ARM_IRELATIVE // CHECK-NEXT: } // CHECK-NEXT: ] // CHECK: Symbol { // CHECK: Name: __rel_iplt_end // CHECK-NEXT: Value: 0x10104 // CHECK-NEXT: Size: 0 // CHECK-NEXT: Binding: Local // CHECK-NEXT: Type: None // CHECK-NEXT: Other [ // CHECK-NEXT: STV_HIDDEN // CHECK-NEXT: ] // CHECK-NEXT: Section: .rel.dyn // CHECK-NEXT: } // CHECK-NEXT: Symbol { // CHECK-NEXT: Name: __rel_iplt_start // CHECK-NEXT: Value: 0x100F4 // CHECK-NEXT: Size: 0 // CHECK-NEXT: Binding: Local // CHECK-NEXT: Type: None // CHECK-NEXT: Other [ // CHECK-NEXT: STV_HIDDEN // CHECK-NEXT: ] // CHECK-NEXT: Section: .rel.dyn // CHECK-NEXT: } // CHECK-NEXT: Symbol { // CHECK-NEXT: Name: _start // CHECK-NEXT: Value: 0x11008 // CHECK-NEXT: Size: 0 // CHECK-NEXT: Binding: Global // CHECK-NEXT: Type: None // CHECK-NEXT: Other: // CHECK-NEXT: Section: .text // CHECK-NEXT: } // CHECK-NEXT: Symbol { // CHECK-NEXT: Name: bar // CHECK-NEXT: Value: 0x11004 // CHECK-NEXT: Size: 0 // CHECK-NEXT: Binding: Global // CHECK-NEXT: Type: GNU_IFunc // CHECK-NEXT: Other: 0 // CHECK-NEXT: Section: .text // CHECK-NEXT: } // CHECK-NEXT: Symbol { // CHECK-NEXT: Name: foo // CHECK-NEXT: Value: 0x11000 // CHECK-NEXT: Size: 0 // CHECK-NEXT: Binding: Global // CHECK-NEXT: Type: GNU_IFunc // CHECK-NEXT: Other: 0 // CHECK-NEXT: Section: .text // CHECK-NEXT: } // DISASM: Disassembly of section .text: // DISASM-NEXT: foo: // DISASM-NEXT: 11000: 1e ff 2f e1 bx lr // DISASM: bar: // DISASM-NEXT: 11004: 1e ff 2f e1 bx lr // DISASM: _start: // DISASM-NEXT: 11008: 04 00 00 eb bl #16 // DISASM-NEXT: 1100c: 07 00 00 eb bl #28 // 1 * 65536 + 244 = 0x100f4 __rel_iplt_start // DISASM-NEXT: 11010: f4 00 00 e3 movw r0, #244 // DISASM-NEXT: 11014: 01 00 40 e3 movt r0, #1 // 1 * 65536 + 260 = 0x10104 __rel_iplt_end // DISASM-NEXT: 11018: 04 01 00 e3 movw r0, #260 // DISASM-NEXT: 1101c: 01 00 40 e3 movt r0, #1 // DISASM-NEXT: Disassembly of section .plt: // DISASM: $a: // DISASM-NEXT: 11020: 04 c0 9f e5 ldr r12, [pc, #4] // DISASM-NEXT: 11024: 0f c0 8c e0 add r12, r12, pc // 11024 + 8 + fd4 = 0x12000 // DISASM-NEXT: 11028: 00 f0 9c e5 ldr pc, [r12] // DISASM: $d: // DISASM-NEXT: 1102c: d4 0f 00 00 .word 0x00000fd4 // DISASM: $a: // DISASM-NEXT: 11030: 04 c0 9f e5 ldr r12, [pc, #4] // DISASM-NEXT: 11034: 0f c0 8c e0 add r12, r12, pc // 11034 + 8 + fc8 = 0x12004 // DISASM-NEXT: 11038: 00 f0 9c e5 ldr pc, [r12] // DISASM: $d: // DISASM-NEXT: 1103c: c8 0f 00 00 .word 0x00000fc8