| // REQUIRES: arm |
| // RUN: llvm-mc -filetype=obj -triple=thumbv7a-none-linux-gnueabi %s -o %t |
| // RUN: echo "SECTIONS { \ |
| // RUN: . = SIZEOF_HEADERS; \ |
| // RUN: .callee_low : { *(.callee_low) } \ |
| // RUN: .caller : { *(.caller) } \ |
| // RUN: .callee_high : { *(.callee_high) } \ |
| // RUN: .text : { *(.text) } } " > %t.script |
| // RUN: ld.lld --script %t.script %t %S/Inputs/arm-thumb-narrow-branch.o -o %t2 |
| // RUN: llvm-objdump -d %t2 | FileCheck %s |
| |
| // Test the R_ARM_THM_JUMP11 and R_ARM_THM_JUMP8 relocations which are used |
| // with the narrow encoding of B.N and BEQ.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 |
| |
| .global callee_low_near |
| .type callee_low_near,%function |
| callee_low_near = 0xfff |
| |
| .section .callee_low,"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 .callee_high,"ax",%progbits |
| .thumb |
| .align 2 |
| .type callee_high,%function |
| .globl callee_high |
| callee_high: |
| bx lr |
| |
| .global callee_high_near |
| .type callee_high_near,%function |
| callee_high_near = 0x10ff |
| |
| .global callee_high_far |
| .type callee_high_far,%function |
| callee_high_far = 0x180d |
| |
| // CHECK: Disassembly of section .callee_low: |
| // CHECK-EMPTY: |
| // CHECK-NEXT: <callee_low>: |
| // CHECK-NEXT: 1000: 4770 bx lr |
| // CHECK-EMPTY: |
| // CHECK-NEXT: Disassembly of section .caller: |
| // CHECK-EMPTY: |
| // CHECK-NEXT: <callers>: |
| /// callee_low_far = 0x809 |
| // CHECK-NEXT: 1004: e400 b 0x808 |
| // CHECK-NEXT: 1006: e7fb b 0x1000 <callee_low> |
| // CHECK-NEXT: 1008: e006 b 0x1018 <callee_high> |
| /// callee_high_far = 0x180d |
| // CHECK-NEXT: 100a: e3ff b 0x180c |
| /// callee_low_near = 0xfff |
| // CHECK-NEXT: 100c: d0f7 beq 0xffe |
| // CHECK-NEXT: 100e: d0f7 beq 0x1000 <callee_low> |
| // CHECK-NEXT: 1010: d002 beq 0x1018 <callee_high> |
| /// callee_high_near = 0x10ff |
| // CHECK-NEXT: 1012: d074 beq 0x10fe |
| // CHECK-NEXT: 1014: 4770 bx lr |
| // CHECK-NEXT: 1016: 46c0 mov r8, r8 |
| // CHECK-EMPTY: |
| // CHECK-NEXT: Disassembly of section .callee_high: |
| // CHECK-EMPTY: |
| // CHECK-NEXT: <callee_high>: |
| // CHECK-NEXT: 1018: 4770 bx lr |
| // CHECK-EMPTY: |
| // CHECK-NEXT: Disassembly of section .text: |
| // CHECK-EMPTY: |
| // CHECK-NEXT: <_start>: |
| // CHECK-NEXT: 101c: f7ff fff2 bl 0x1004 <callers> |
| // CHECK-NEXT: 1020: 4770 bx lr |
