1@ RUN: llvm-mc %s -triple=armv7-unknown-linux-gnueabi -filetype=obj -o - \ 2@ RUN: | llvm-readobj -s -sd -sr > %t 3@ RUN: FileCheck %s < %t 4@ RUN: FileCheck --check-prefix=RELOC %s < %t 5 6@ Check the compact pr0 model 7 8 .syntax unified 9 10 .section .TEST1 11 .globl func1 12 .align 2 13 .type func1,%function 14func1: 15 .fnstart 16 .save {r11, lr} 17 push {r11, lr} 18 .setfp r11, sp 19 mov r11, sp 20 pop {r11, lr} 21 mov pc, lr 22 .fnend 23 24 .section .TEST2 25 .globl func2 26 .align 2 27 .type func2,%function 28func2: 29 .fnstart 30 .save {r11, lr} 31 push {r11, lr} 32 pop {r11, pc} 33 .fnend 34 35 36 37@------------------------------------------------------------------------------- 38@ Check .TEST1 section 39@------------------------------------------------------------------------------- 40@ CHECK: Sections [ 41@ CHECK: Section { 42@ CHECK: Name: .TEST1 43@ CHECK: SectionData ( 44@ CHECK: 0000: 00482DE9 0DB0A0E1 0048BDE8 0EF0A0E1 |.H-......H......| 45@ CHECK: ) 46@ CHECK: } 47 48 49@------------------------------------------------------------------------------- 50@ Check .ARM.exidx.TEST1 section 51@------------------------------------------------------------------------------- 52@ CHECK: Section { 53@ CHECK: Name: .ARM.exidx.TEST1 54@------------------------------------------------------------------------------- 55@ 0x80 = Compact model 0, personality routine: __aeabi_unwind_cpp_pr0 56@ 0x9B = $sp can be found in $r11 57@ 0x8480 = pop {r11, r14} 58@------------------------------------------------------------------------------- 59@ CHECK: SectionData ( 60@ CHECK: 0000: 00000000 80849B80 |........| 61@ CHECK: ) 62@ CHECK: } 63@------------------------------------------------------------------------------- 64@ The first word should be relocated to .TEST1 section. Besides, there is 65@ another relocation entry for __aeabi_unwind_cpp_pr0, so that the linker 66@ will keep __aeabi_unwind_cpp_pr0. 67@------------------------------------------------------------------------------- 68@ RELOC: Section { 69@ RELOC: Name: .rel.ARM.exidx.TEST1 70@ RELOC: Relocations [ 71@ RELOC: 0x0 R_ARM_PREL31 .TEST1 0x0 72@ RELOC: 0x0 R_ARM_NONE __aeabi_unwind_cpp_pr0 0x0 73@ RELOC: ] 74@ RELOC: } 75 76 77@------------------------------------------------------------------------------- 78@ Check .TEST2 section 79@------------------------------------------------------------------------------- 80@ CHECK: Section { 81@ CHECK: Name: .TEST2 82@ CHECK: SectionData ( 83@ CHECK: 0000: 00482DE9 0088BDE8 |.H-.....| 84@ CHECK: ) 85@ CHECK: } 86@------------------------------------------------------------------------------- 87@ Check .ARM.exidx.TEST1 section 88@------------------------------------------------------------------------------- 89@ CHECK: Section { 90@ CHECK: Name: .ARM.exidx.TEST2 91@------------------------------------------------------------------------------- 92@ 0x80 = Compact model 0, personality routine: __aeabi_unwind_cpp_pr0 93@ 0x8480 = pop {r11, r14} 94@ 0xB0 = finish 95@------------------------------------------------------------------------------- 96@ CHECK: SectionData ( 97@ CHECK: 0000: 00000000 B0808480 |........| 98@ CHECK: ) 99@ CHECK: } 100@------------------------------------------------------------------------------- 101@ The first word should be relocated to .TEST2 section. Besides, there is 102@ another relocation entry for __aeabi_unwind_cpp_pr0, so that the linker 103@ will keep __aeabi_unwind_cpp_pr0. 104@------------------------------------------------------------------------------- 105@ RELOC: Section { 106@ RELOC: Name: .rel.ARM.exidx.TEST2 107@ RELOC: Relocations [ 108@ RELOC: 0x0 R_ARM_PREL31 .TEST2 0x0 109@ RELOC: 0x0 R_ARM_NONE __aeabi_unwind_cpp_pr0 0x0 110@ RELOC: ] 111@ RELOC: } 112