// REQUIRES: arm // RUN: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t.o // RUN: ld.lld %t.o -o %t // RUN: llvm-objdump --triple=armv7a-none-linux-gnueabi -d --no-show-raw-insn %t | FileCheck %s --check-prefix=DISASM // RUN: llvm-readobj -r --symbols --sections %t | FileCheck %s .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: SHF_INFO_LINK // CHECK-NEXT: ] // CHECK-NEXT: Address: 0x100F4 // CHECK-NEXT: Offset: 0xF4 // CHECK-NEXT: Size: 16 // CHECK-NEXT: Link: // CHECK-NEXT: Info: 4 // CHECK: Name: .iplt // CHECK-NEXT: Type: SHT_PROGBITS // CHECK-NEXT: Flags [ // CHECK-NEXT: SHF_ALLOC // CHECK-NEXT: SHF_EXECINSTR // CHECK-NEXT: ] // CHECK-NEXT: Address: 0x20130 // CHECK-NEXT: Offset: 0x130 // CHECK-NEXT: Size: 32 // CHECK: Index: 4 // CHECK-NEXT: Name: .got // CHECK-NEXT: Type: SHT_PROGBITS // CHECK-NEXT: Flags [ // CHECK-NEXT: SHF_ALLOC // CHECK-NEXT: SHF_WRITE // CHECK-NEXT: ] // CHECK-NEXT: Address: 0x30150 // CHECK-NEXT: Offset: 0x150 // CHECK-NEXT: Size: 8 // CHECK: Relocations [ // CHECK-NEXT: Section (1) .rel.dyn { // CHECK-NEXT: 0x30150 R_ARM_IRELATIVE // CHECK-NEXT: 0x30154 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: 0x2010C // 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: 0x20108 // 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: 0x20104 // 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-EMPTY: // DISASM-NEXT: : // DISASM-NEXT: 20104: bx lr // DISASM: : // DISASM-NEXT: 20108: bx lr // DISASM: <_start>: // DISASM-NEXT: 2010c: bl #28 // DISASM-NEXT: 20110: bl #40 // 1 * 65536 + 244 = 0x100f4 __rel_iplt_start // DISASM-NEXT: 20114: movw r0, #244 // DISASM-NEXT: 20118: movt r0, #1 // 1 * 65536 + 260 = 0x10104 __rel_iplt_end // DISASM-NEXT: 2011c: movw r0, #260 // DISASM-NEXT: 20120: movt r0, #1 // DISASM-EMPTY: // DISASM-NEXT: Disassembly of section .iplt: // DISASM-EMPTY: // DISASM-NEXT: <$a>: // DISASM-NEXT: 20130: add r12, pc, #0, #12 // DISASM-NEXT: 20134: add r12, r12, #16 // DISASM-NEXT: 20138: ldr pc, [r12, #24]! // DISASM: <$d>: // DISASM-NEXT: 2013c: d4 d4 d4 d4 .word 0xd4d4d4d4 // DISASM: <$a>: // DISASM-NEXT: 20140: add r12, pc, #0, #12 // DISASM-NEXT: 20144: add r12, r12, #16 // DISASM-NEXT: 20148: ldr pc, [r12, #12]! // DISASM: <$d>: // DISASM-NEXT: 2014c: d4 d4 d4 d4 .word 0xd4d4d4d4