1 @ RUN: llvm-mc %s -triple=armv7-unknown-linux-gnueabi -filetype=obj -o - \ 2 @ RUN: | llvm-readobj -s -sd -sr -r -t | FileCheck %s 3 4 @ Check whether the section is switched back or not. 5 6 @ The assembler should emit the machine code of "func2" in .text section. 7 @ It is incorrect if the machine code is emitted in .ARM.exidx or .ARM.extab. 8 @ Besides, there should be two entries in .ARM.exidx section. 9 10 .syntax unified 11 12 .text 13 .globl func1 14 .align 2 15 .type func1,%function 16 .fnstart 17 func1: 18 bx lr 19 .fnend 20 21 .globl func2 22 .align 2 23 .type func2,%function 24 .fnstart 25 func2: 26 bx lr 27 .fnend 28 29 30 @------------------------------------------------------------------------------- 31 @ Check the .text section. There should be two "bx lr" instructions. 32 @------------------------------------------------------------------------------- 33 @ CHECK: Sections [ 34 @ CHECK: Section { 35 @ CHECK: Name: .text 36 @ CHECK: SectionData ( 37 @ CHECK: 0000: 1EFF2FE1 1EFF2FE1 |../.../.| 38 @ CHECK: ) 39 @ CHECK: } 40 41 42 @------------------------------------------------------------------------------- 43 @ Check the .ARM.exidx section. 44 @ There should be two entries (two words per entry.) 45 @------------------------------------------------------------------------------- 46 @ CHECK: Section { 47 @ CHECK: Name: .ARM.exidx 48 @ CHECK: SectionData ( 49 @------------------------------------------------------------------------------- 50 @ The first word should be the offset to .text. The second word should be 51 @ 0xB0B0B080, which means compact model 0 is used (0x80) and the rest of the 52 @ word is filled with FINISH opcode (0xB0). 53 @------------------------------------------------------------------------------- 54 @ CHECK: 0000: 00000000 B0B0B080 04000000 B0B0B080 |................| 55 @ CHECK: ) 56 @ CHECK: } 57 @ CHECK: ] 58 59 @------------------------------------------------------------------------------- 60 @ The first word of each entry should be relocated to .text section. 61 @------------------------------------------------------------------------------- 62 @ CHECK: Relocations [ 63 @ CHECK: 0x0 R_ARM_PREL31 .text 0x0 64 @ CHECK: 0x0 R_ARM_NONE __aeabi_unwind_cpp_pr0 0x0 65 @ CHECK: 0x8 R_ARM_PREL31 .text 0x0 66 @ CHECK: ] 67 68 69 @------------------------------------------------------------------------------- 70 @ Check the symbols "func1" and "func2". They should belong to .text section. 71 @------------------------------------------------------------------------------- 72 @ CHECK: Symbols [ 73 @ CHECK: Symbol { 74 @ CHECK: Name: func1 75 @ CHECK: Section: .text 76 @ CHECK: } 77 @ CHECK: Symbol { 78 @ CHECK: Name: func2 79 @ CHECK: Section: .text 80 @ CHECK: } 81 @ CHECK: ] 82
