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1// REQUIRES: arm2// RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv6-none-linux-gnueabi %s -o %t3// RUN: ld.lld %t -o %t24// RUN: llvm-objdump --no-print-imm-hex -d --triple=armv6-none-linux-gnueabi --start-address=0x21000 --stop-address=0x21008 %t2 | FileCheck --check-prefix=CHECK-ARM1 %s5// RUN: llvm-objdump --no-print-imm-hex -d --triple=thumbv6-none-linux-gnueabi %t2 --start-address=0x21008 --stop-address=0x2100c | FileCheck --check-prefix=CHECK-THUMB1 %s6// RUN: llvm-objdump --no-print-imm-hex -d --triple=armv6-none-linux-gnueabi --start-address=0x22100c --stop-address=0x221014 %t2 | FileCheck --check-prefix=CHECK-ARM2 %s7// RUN: llvm-objdump --no-print-imm-hex -d --triple=thumbv6-none-linux-gnueabi %t2 --start-address=0x622000 --stop-address=0x622002 | FileCheck --check-prefix=CHECK-THUMB2 %s8 9// RUN: llvm-mc -arm-add-build-attributes -filetype=obj -triple=armv6eb-none-linux-gnueabi %s -o %t10// RUN: ld.lld %t -o %t211// RUN: llvm-objdump --no-print-imm-hex -d --triple=armv6eb-none-linux-gnueabi --start-address=0x21000 --stop-address=0x21008 %t2 | FileCheck --check-prefix=CHECK-ARM1 %s12// RUN: llvm-objdump --no-print-imm-hex -d --triple=thumbv6eb-none-linux-gnueabi %t2 --start-address=0x21008 --stop-address=0x2100c | FileCheck --check-prefix=CHECK-THUMB1 %s13// RUN: llvm-objdump --no-print-imm-hex -d --triple=armv6eb-none-linux-gnueabi --start-address=0x22100c --stop-address=0x221014 %t2 | FileCheck --check-prefix=CHECK-ARM2-EB %s14// RUN: llvm-objdump --no-print-imm-hex -d --triple=thumbv6eb-none-linux-gnueabi %t2 --start-address=0x622000 --stop-address=0x622002 | FileCheck --check-prefix=CHECK-THUMB2 %s15 16// RUN: ld.lld --be8 %t -o %t217// RUN: llvm-objdump --no-print-imm-hex -d --triple=armv6eb-none-linux-gnueabi --start-address=0x21000 --stop-address=0x21008 %t2 | FileCheck --check-prefix=CHECK-ARM1 %s18// RUN: llvm-objdump --no-print-imm-hex -d --triple=thumbv6eb-none-linux-gnueabi %t2 --start-address=0x21008 --stop-address=0x2100c | FileCheck --check-prefix=CHECK-THUMB1 %s19// RUN: llvm-objdump --no-print-imm-hex -d --triple=armv6eb-none-linux-gnueabi --start-address=0x22100c --stop-address=0x221014 %t2 | FileCheck --check-prefix=CHECK-ARM2-EB %s20// RUN: llvm-objdump --no-print-imm-hex -d --triple=thumbv6eb-none-linux-gnueabi %t2 --start-address=0x622000 --stop-address=0x622002 | FileCheck --check-prefix=CHECK-THUMB2 %s21 22/// On Arm v6 the range of a Thumb BL instruction is only 4 megabytes as the23/// extended range encoding is not supported. The following example has a Thumb24/// BL that is out of range on ARM v6 and requires a range extension thunk.25/// As v6 does not support MOVT or MOVW instructions the Thunk must not26/// use these instructions either.27 28 29/// ARM v6 supports blx so we shouldn't see the blx not supported warning.30// CHECK-NOT: warning: lld uses blx instruction, no object with architecture supporting feature detected.31 .text32 .syntax unified33 .cpu arm1176jzf-s34 .globl _start35 .type _start,%function36 .balign 0x100037_start:38 bl thumbfunc39 bx lr40 41// CHECK-ARM1: Disassembly of section .text:42// CHECK-ARM1-EMPTY:43// CHECK-ARM1-NEXT: <_start>:44// CHECK-ARM1-NEXT: 21000: fa000000 blx 0x21008 <thumbfunc>45// CHECK-ARM1-NEXT: 21004: e12fff1e bx lr46 .thumb47 .section .text.2, "ax", %progbits48 .globl thumbfunc49 .type thumbfunc,%function50thumbfunc:51 bl farthumbfunc52 53// CHECK-THUMB1: <thumbfunc>:54// CHECK-THUMB1-NEXT: 21008: f200 e800 blx 0x22100c <__ARMv5LongLdrPcThunk_farthumbfunc>55/// 6 Megabytes, enough to make farthumbfunc out of range of caller56/// on a v6 Arm, but not on a v7 Arm.57 58 .section .text.3, "ax", %progbits59 .space 0x20000060// CHECK-ARM2: <__ARMv5LongLdrPcThunk_farthumbfunc>:61// CHECK-ARM2-NEXT: 22100c: e51ff004 ldr pc, [pc, #-4]62// CHECK-ARM2-NEXT: 221010: 01 20 62 00 .word 0x0062200163// CHECK-ARM2-EB: <__ARMv5LongLdrPcThunk_farthumbfunc>:64// CHECK-ARM2-EB-NEXT: 22100c: e51ff004 ldr pc, [pc, #-4]65// CHECK-ARM2-EB-NEXT: 221010: 00 62 20 01 .word 0x0062200166 .section .text.4, "ax", %progbits67 .space 0x20000068 69 .section .text.5, "ax", %progbits70 .space 0x20000071 72 .thumb73 .section .text.6, "ax", %progbits74 .balign 0x100075 .globl farthumbfunc76 .type farthumbfunc,%function77farthumbfunc:78 bx lr79// CHECK-THUMB2: <farthumbfunc>:80// CHECK-THUMB2-NEXT: 622000: 4770 bx lr81