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1// REQUIRES: arm2// RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t3// RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv7a-none-linux-gnueabi %S/Inputs/far-arm-thumb-abs.s -o %tfar4// RUN: echo "SECTIONS { \5// RUN: . = 0xb4; \6// RUN: .callee1 : { *(.callee_low) } \7// RUN: .callee2 : { *(.callee_arm_low) } \8// RUN: .caller : { *(.text) } \9// RUN: .callee3 : { *(.callee_high) } \10// RUN: .callee4 : { *(.callee_arm_high) } } " > %t.script11// RUN: ld.lld --script %t.script %t %tfar -o %t212// RUN: llvm-objdump -d --triple=armv7a-none-linux-gnueabi %t2 | FileCheck %s13 14/// Test BLX instruction is chosen for ARM BL/BLX instruction and Thumb callee15/// Using two callees to ensure at least one has 2-byte alignment.16 .syntax unified17 .thumb18 .section .callee_low, "ax",%progbits19 .align 220 .type callee_low,%function21callee_low:22 bx lr23 .type callee_low2, %function24callee_low2:25 bx lr26 27 .section .callee_arm_low, "ax",%progbits28 .arm29 .balign 0x10030 .type callee_arm_low,%function31 .align 232callee_arm_low:33 bx lr34 35.section .text, "ax",%progbits36 .arm37 .globl _start38 .balign 0x1000039 .type _start,%function40_start:41 bl callee_low42 blx callee_low43 bl callee_low244 blx callee_low245 bl callee_high46 blx callee_high47 bl callee_high248 blx callee_high249 bl blx_far50 blx blx_far251/// blx to ARM instruction should be written as a BL52 bl callee_arm_low53 blx callee_arm_low54 bl callee_arm_high55 blx callee_arm_high56 bx lr57 58 .section .callee_high, "ax",%progbits59 .balign 0x10060 .thumb61 .type callee_high,%function62callee_high:63 bx lr64 .type callee_high2,%function65callee_high2:66 bx lr67 68 .section .callee_arm_high, "ax",%progbits69 .arm70 .balign 0x10071 .type callee_arm_high,%function72callee_arm_high:73 bx lr74 75// CHECK: Disassembly of section .callee1:76// CHECK-EMPTY:77// CHECK-NEXT: <callee_low>:78// CHECK-NEXT: b4: 4770 bx lr79// CHECK: <callee_low2>:80// CHECK-NEXT: b6: 4770 bx lr81 82// CHECK: Disassembly of section .callee2:83// CHECK-EMPTY:84// CHECK-NEXT: <callee_arm_low>:85// CHECK-NEXT: 100: e12fff1e bx lr86 87// CHECK: Disassembly of section .caller:88// CHECK-EMPTY:89// CHECK-NEXT: <_start>:90// CHECK-NEXT: 10000: faffc02b blx 0xb4 <callee_low>91// CHECK-NEXT: 10004: faffc02a blx 0xb4 <callee_low>92// CHECK-NEXT: 10008: fbffc029 blx 0xb6 <callee_low2>93// CHECK-NEXT: 1000c: fbffc028 blx 0xb6 <callee_low2>94// CHECK-NEXT: 10010: fa00003a blx 0x10100 <callee_high>95// CHECK-NEXT: 10014: fa000039 blx 0x10100 <callee_high>96// CHECK-NEXT: 10018: fb000038 blx 0x10102 <callee_high2>97// CHECK-NEXT: 1001c: fb000037 blx 0x10102 <callee_high2>98/// 0x2010024 = blx_far 99// CHECK-NEXT: 10020: fa7fffff blx 0x2010024100/// 0x2010028 = blx_far2 101// CHECK-NEXT: 10024: fa7fffff blx 0x2010028102// CHECK-NEXT: 10028: ebffc034 bl 0x100 <callee_arm_low>103// CHECK-NEXT: 1002c: ebffc033 bl 0x100 <callee_arm_low>104// CHECK-NEXT: 10030: eb000072 bl 0x10200 <callee_arm_high>105// CHECK-NEXT: 10034: eb000071 bl 0x10200 <callee_arm_high>106// CHECK-NEXT: 10038: e12fff1e bx lr107 108// CHECK: Disassembly of section .callee3:109// CHECK-EMPTY:110// CHECK: <callee_high>:111// CHECK-NEXT: 10100: 4770 bx lr112// CHECK: <callee_high2>:113// CHECK-NEXT: 10102: 4770 bx lr114 115// CHECK: Disassembly of section .callee4:116// CHECK-EMPTY:117// CHECK-NEXT: <callee_arm_high>:118// CHECK-NEXT: 10200: e12fff1e bx lr119