| /// Test the Arm state R_ARM_CALL and R_ARM_JUMP24 relocation to Arm state destinations. |
| /// R_ARM_CALL is used for branch and link (BL) |
| /// R_ARM_JUMP24 is used for unconditional and conditional branches (B and B<cc>) |
| /// Relocations defined in https://github.com/ARM-software/abi-aa/blob/main/aaelf32/aaelf32.rst |
| /// Addend A is always -8 to cancel out Arm state PC-bias of 8 bytes |
| |
| // REQUIRES: arm |
| // RUN: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t |
| // RUN: echo "SECTIONS { \ |
| // RUN: . = 0xb4; \ |
| // RUN: .callee1 : { *(.callee_low) } \ |
| // RUN: .caller : { *(.text) } \ |
| // RUN: .callee2 : { *(.callee_high) } } " > %t.script |
| // RUN: ld.lld --defsym=far=0x201001c --script %t.script %t -o %t2 |
| // RUN: llvm-objdump -d --no-show-raw-insn --triple=armv7a-none-linux-gnueabi %t2 | FileCheck %s |
| |
| .syntax unified |
| .section .callee_low, "ax",%progbits |
| .align 2 |
| .type callee_low,%function |
| callee_low: |
| bx lr |
| |
| .section .text, "ax",%progbits |
| .globl _start |
| .balign 0x10000 |
| .type _start,%function |
| _start: |
| bl callee_low |
| b callee_low |
| beq callee_low |
| bl callee_high |
| b callee_high |
| bne callee_high |
| bl far |
| b far |
| bgt far |
| bx lr |
| |
| .section .callee_high, "ax",%progbits |
| .align 2 |
| .type callee_high,%function |
| callee_high: |
| bx lr |
| |
| // CHECK: 00010000 <_start>: |
| // CHECK-NEXT: 10000: bl 0xb4 <callee_low> |
| // CHECK-NEXT: 10004: b 0xb4 <callee_low> |
| // CHECK-NEXT: 10008: beq 0xb4 <callee_low> |
| // CHECK-NEXT: 1000c: bl 0x10028 <callee_high> |
| // CHECK-NEXT: 10010: b 0x10028 <callee_high> |
| // CHECK-NEXT: 10014: bne 0x10028 <callee_high> |
| /// 0x201001c = far |
| // CHECK-NEXT: 10018: bl 0x201001c |
| // CHECK-NEXT: 1001c: b 0x201001c |
| // CHECK-NEXT: 10020: bgt 0x201001c |
| // CHECK-NEXT: 10024: bx lr |
