1 @ RUN: llvm-mc %s -triple=armv7-unknown-linux-gnueabi -filetype=obj -o - \ 2 @ RUN: | llvm-readobj -s -sd -sr -t > %t 3 @ RUN: FileCheck %s < %t 4 @ RUN: FileCheck --check-prefix=RELOC %s < %t 5 6 @ Check the combination of .section, .fnstart, and .fnend directives. 7 8 @ For the functions in .text section, the exception handling index (EXIDX) 9 @ should be generated in .ARM.exidx, and the exception handling table (EXTAB) 10 @ should be generated in .ARM.extab. 11 12 @ For the functions in custom section specified by .section directives, 13 @ the EXIDX should be generated in ".ARM.exidx[[SECTION_NAME]]", and the EXTAB 14 @ should be generated in ".ARM.extab[[SECTION_NAME]]". 15 16 .syntax unified 17 18 @------------------------------------------------------------------------------- 19 @ .TEST1 section 20 @------------------------------------------------------------------------------- 21 .section .TEST1 22 .globl func1 23 .align 2 24 .type func1,%function 25 .fnstart 26 func1: 27 bx lr 28 .personality __gxx_personality_v0 29 .handlerdata 30 .fnend 31 32 33 @------------------------------------------------------------------------------- 34 @ TEST2 section (without the dot in the beginning) 35 @------------------------------------------------------------------------------- 36 .section TEST2 37 .globl func2 38 .align 2 39 .type func2,%function 40 .fnstart 41 func2: 42 bx lr 43 .personality __gxx_personality_v0 44 .handlerdata 45 .fnend 46 47 48 @------------------------------------------------------------------------------- 49 @ Check the .TEST1 section. 50 @------------------------------------------------------------------------------- 51 @ CHECK: Sections [ 52 @ CHECK: Section { 53 @ CHECK: Index: 3 54 @ CHECK-NEXT: Name: .TEST1 55 @ CHECK: SectionData ( 56 @ CHECK: 0000: 1EFF2FE1 |../.| 57 @ CHECK: ) 58 @ CHECK: } 59 60 @------------------------------------------------------------------------------- 61 @ Check the .ARM.extab.TEST1 section, the EXTAB of .TEST1 section. 62 @------------------------------------------------------------------------------- 63 @ CHECK: Section { 64 @ CHECK: Name: .ARM.extab.TEST1 65 @ CHECK: SectionData ( 66 @ CHECK: 0000: 00000000 B0B0B000 |........| 67 @ CHECK: ) 68 @ CHECK: } 69 70 @ RELOC: Section { 71 @ RELOC: Name: .rel.ARM.extab.TEST1 72 @ RELOC: Relocations [ 73 @ RELOC: 0x0 R_ARM_PREL31 __gxx_personality_v0 0x0 74 @ RELOC: ] 75 @ RELOC: } 76 77 78 @------------------------------------------------------------------------------- 79 @ Check the.ARM.exidx.TEST1 section, the EXIDX of .TEST1 section. 80 @------------------------------------------------------------------------------- 81 @ CHECK: Section { 82 @ CHECK: Name: .ARM.exidx.TEST1 83 84 @------------------------------------------------------------------------------- 85 @ This section should linked with .TEST1 section. 86 @------------------------------------------------------------------------------- 87 @ CHECK: Link: 3 88 89 @------------------------------------------------------------------------------- 90 @ The first word should be relocated to the code address in .TEST1 section. 91 @ The second word should be relocated to the EHTAB entry in .ARM.extab.TEST1 92 @ section. 93 @------------------------------------------------------------------------------- 94 @ CHECK: SectionData ( 95 @ CHECK: 0000: 00000000 00000000 |........| 96 @ CHECK: ) 97 @ CHECK: } 98 99 @ RELOC: Section { 100 @ RELOC: Name: .rel.ARM.exidx.TEST1 101 @ RELOC: Relocations [ 102 @ RELOC: 0x0 R_ARM_PREL31 .TEST1 0x0 103 @ RELOC: 0x4 R_ARM_PREL31 .ARM.extab.TEST1 0x0 104 @ RELOC: ] 105 @ RELOC: } 106 107 108 @------------------------------------------------------------------------------- 109 @ Check the TEST2 section (without the dot in the beginning) 110 @------------------------------------------------------------------------------- 111 @ CHECK: Section { 112 @ CHECK: Index: 8 113 @ CHECK-NEXT: Name: TEST2 114 @ CHECK: SectionData ( 115 @ CHECK: 0000: 1EFF2FE1 |../.| 116 @ CHECK: ) 117 @ CHECK: } 118 119 @------------------------------------------------------------------------------- 120 @ Check the .ARM.extabTEST2 section, the EXTAB of TEST2 section. 121 @------------------------------------------------------------------------------- 122 @ CHECK: Section { 123 @ CHECK: Name: .ARM.extabTEST2 124 @ CHECK: SectionData ( 125 @ CHECK: 0000: 00000000 B0B0B000 |........| 126 @ CHECK: ) 127 @ CHECK: } 128 129 @ RELOC: Section { 130 @ RELOC: Name: .rel.ARM.extabTEST2 131 @ RELOC: Relocations [ 132 @ RELOC: 0x0 R_ARM_PREL31 __gxx_personality_v0 0x0 133 @ RELOC: ] 134 @ RELOC: } 135 136 137 @------------------------------------------------------------------------------- 138 @ Check the .ARM.exidxTEST2 section, the EXIDX of TEST2 section. 139 @------------------------------------------------------------------------------- 140 @ CHECK: Section { 141 @ CHECK: Name: .ARM.exidxTEST2 142 143 @------------------------------------------------------------------------------- 144 @ This section should linked with TEST2 section. 145 @------------------------------------------------------------------------------- 146 @ CHECK: Link: 8 147 148 @------------------------------------------------------------------------------- 149 @ The first word should be relocated to the code address in TEST2 section. 150 @ The second word should be relocated to the EHTAB entry in .ARM.extabTEST2 151 @ section. 152 @------------------------------------------------------------------------------- 153 @ CHECK: SectionData ( 154 @ CHECK: 0000: 00000000 00000000 |........| 155 @ CHECK: ) 156 @ CHECK: } 157 158 @ RELOC: Section { 159 @ RELOC: Name: .rel.ARM.exidxTEST2 160 @ RELOC: Relocations [ 161 @ RELOC: 0x0 R_ARM_PREL31 TEST2 0x0 162 @ RELOC: 0x4 R_ARM_PREL31 .ARM.extabTEST2 0x0 163 @ RELOC: ] 164 @ RELOC: } 165 166 167 168 @------------------------------------------------------------------------------- 169 @ Check the symbols and the sections they belong to 170 @------------------------------------------------------------------------------- 171 @ CHECK: Symbols [ 172 @ CHECK: Symbol { 173 @ CHECK: Name: func1 174 @ CHECK: Section: .TEST1 175 @ CHECK: } 176 @ CHECK: Symbol { 177 @ CHECK: Name: func2 178 @ CHECK: Section: TEST2 179 @ CHECK: } 180 @ CHECK: ] 181
