// REQUIRES: arm // RUN: llvm-mc -filetype=obj -triple=thumbv7a-none-linux-gnueabi %s -o %t // RUN: echo "SECTIONS { \ // RUN: . = SIZEOF_HEADERS; \ // RUN: .R_ARM_PC11_1 : { *(.R_ARM_PC11_1) } \ // RUN: .caller : { *(.caller) } \ // RUN: .R_ARM_PC11_2 : { *(.R_ARM_PC11_2) } \ // RUN: .text : { *(.text) } } " > %t.script // RUN: ld.lld --script %t.script %t %S/Inputs/arm-thumb-narrow-branch.o -o %t2 2>&1 // RUN: llvm-objdump -d -triple=thumbv7a-none-linux-gnueabi %t2 | FileCheck %s // Test the R_ARM_PC11 relocation which is used with the narrow encoding of B.N // the source of these relocations is a binary file arm-thumb-narrow-branch.o // which has been assembled with the GNU assembler as llvm-mc doesn't emit it // as the range of +-2048 bytes is too small to be practically useful for out // of section branches. .syntax unified .global callee_low_far .type callee_low_far,%function callee_low_far = 0x809 .section .R_ARM_PC11_1,"ax",%progbits .thumb .balign 0x1000 .type callee_low,%function .globl callee_low callee_low: bx lr .text .align 2 .thumb .globl _start .type _start, %function _start: bl callers bx lr .section .R_ARM_PC11_2,"ax",%progbits .thumb .align 2 .type callee_high,%function .globl callee_high callee_high: bx lr .global callee_high_far .type callee_high_far,%function callee_high_far = 0x180d // CHECK: Disassembly of section .R_ARM_PC11_1: // CHECK-NEXT: callee_low: // CHECK-NEXT: 1000: 70 47 bx lr // CHECK-NEXT: Disassembly of section .caller: // CHECK-NEXT: callers: // 1004 - 0x800 (2048) + 4 = 0x808 = callee_low_far // CHECK-NEXT: 1004: 00 e4 b #-2048 // 1006 - 0xa (10) + 4 = 0x1000 = callee_low // CHECK-NEXT: 1006: fb e7 b #-10 // 1008 + 4 + 4 = 0x1010 = callee_high // CHECK-NEXT: 1008: 02 e0 b #4 // 100a + 0x7fe (2046) + 4 = 0x180c = callee_high_far // CHECK-NEXT: 100a: ff e3 b #2046 // CHECK-NEXT: 100c: 70 47 bx lr // CHECK-NEXT: 100e: 00 bf nop // CHECK-NEXT: Disassembly of section .R_ARM_PC11_2: // CHECK-NEXT: callee_high: // CHECK-NEXT: 1010: 70 47 bx lr // CHECK-NEXT: Disassembly of section .text: // CHECK-NEXT: _start: // CHECK-NEXT: 1014: ff f7 f6 ff bl #-20 // CHECK-NEXT: 1018: 70 47 bx lr