Logan Chien | 4ea23b5 | 2013-05-10 16:17:24 +0000 | [diff] [blame] | 1 | @ RUN: llvm-mc %s -triple=armv7-unknown-linux-gnueabi -filetype=obj -o - \ |
Rafael Espindola | 5ffca73 | 2015-04-16 12:59:30 +0000 | [diff] [blame] | 2 | @ RUN: | llvm-readobj -s -sd -sr -t > %t |
| 3 | @ RUN: FileCheck %s < %t |
| 4 | @ RUN: FileCheck --check-prefix=RELOC %s < %t |
Logan Chien | 4ea23b5 | 2013-05-10 16:17:24 +0000 | [diff] [blame] | 5 | |
| 6 | @ Check whether the section is switched back properly. |
| 7 | |
| 8 | @ The assembler should switch the section back to the corresponding section |
| 9 | @ after it have emitted the exception handling indices and tables. In this |
| 10 | @ test case, we are checking whether the section is correct when .section |
| 11 | @ directives is used. |
| 12 | |
| 13 | @ In this example, func1 and func2 should be defined in .TEST1 section. |
| 14 | @ It is incorrect if the func2 is in .text, .ARM.extab.TEST1, or |
| 15 | @ .ARM.exidx.TEST1 sections. |
| 16 | |
| 17 | .syntax unified |
| 18 | |
| 19 | .section .TEST1 |
| 20 | |
| 21 | .globl func1 |
| 22 | .align 2 |
| 23 | .type func1,%function |
| 24 | .fnstart |
| 25 | func1: |
| 26 | bx lr |
| 27 | .personality __gxx_personality_v0 |
| 28 | .handlerdata |
| 29 | .fnend |
| 30 | |
| 31 | .globl func2 |
| 32 | .align 2 |
| 33 | .type func2,%function |
| 34 | .fnstart |
| 35 | func2: |
| 36 | bx lr |
| 37 | .personality __gxx_personality_v0 |
| 38 | .handlerdata |
| 39 | .fnend |
| 40 | |
| 41 | |
| 42 | @------------------------------------------------------------------------------- |
| 43 | @ Check the .text section. This should be empty. |
| 44 | @------------------------------------------------------------------------------- |
| 45 | @ CHECK: Sections [ |
| 46 | @ CHECK: Section { |
| 47 | @ CHECK: Name: .text |
| 48 | @ CHECK: SectionData ( |
| 49 | @ CHECK: ) |
| 50 | @ CHECK: } |
| 51 | |
| 52 | |
| 53 | @------------------------------------------------------------------------------- |
| 54 | @ Check the .TEST1 section. There should be two "bx lr" instructions. |
| 55 | @------------------------------------------------------------------------------- |
| 56 | @ CHECK: Section { |
Rafael Espindola | 2b27b2f | 2015-11-03 20:02:22 +0000 | [diff] [blame] | 57 | @ CHECK: Index: 3 |
Rafael Espindola | 88d1f63 | 2015-04-29 20:25:24 +0000 | [diff] [blame] | 58 | @ CHECK-NEXT: Name: .TEST1 |
Logan Chien | 4ea23b5 | 2013-05-10 16:17:24 +0000 | [diff] [blame] | 59 | @ CHECK: SectionData ( |
| 60 | @ CHECK: 0000: 1EFF2FE1 1EFF2FE1 |../.../.| |
| 61 | @ CHECK: ) |
| 62 | @ CHECK: } |
| 63 | |
| 64 | |
| 65 | |
| 66 | @------------------------------------------------------------------------------- |
| 67 | @ Check the .ARM.extab.TEST1 section. |
| 68 | @------------------------------------------------------------------------------- |
| 69 | @ CHECK: Section { |
| 70 | @ CHECK: Name: .ARM.extab.TEST1 |
Logan Chien | 4ea23b5 | 2013-05-10 16:17:24 +0000 | [diff] [blame] | 71 | @ CHECK: SectionData ( |
| 72 | @ CHECK: 0000: 00000000 B0B0B000 00000000 B0B0B000 |................| |
| 73 | @ CHECK: ) |
| 74 | @ CHECK: } |
Rafael Espindola | 7fa23fc | 2015-04-15 17:24:06 +0000 | [diff] [blame] | 75 | |
Rafael Espindola | 5ffca73 | 2015-04-16 12:59:30 +0000 | [diff] [blame] | 76 | @ RELOC: Section { |
| 77 | @ RELOC: Name: .rel.ARM.extab.TEST1 |
| 78 | @ RELOC: Relocations [ |
| 79 | @ RELOC: 0x0 R_ARM_PREL31 __gxx_personality_v0 0x0 |
| 80 | @ RELOC: 0x8 R_ARM_PREL31 __gxx_personality_v0 0x0 |
| 81 | @ RELOC: ] |
| 82 | @ RELOC: } |
Logan Chien | 4ea23b5 | 2013-05-10 16:17:24 +0000 | [diff] [blame] | 83 | |
| 84 | |
| 85 | @------------------------------------------------------------------------------- |
| 86 | @ Check the .ARM.exidx.TEST1 section. |
| 87 | @------------------------------------------------------------------------------- |
| 88 | @ CHECK: Section { |
| 89 | @ CHECK: Name: .ARM.exidx.TEST1 |
Rafael Espindola | 2b27b2f | 2015-11-03 20:02:22 +0000 | [diff] [blame] | 90 | @ CHECK: Link: 3 |
Logan Chien | 4ea23b5 | 2013-05-10 16:17:24 +0000 | [diff] [blame] | 91 | @------------------------------------------------------------------------------- |
Rafael Espindola | 4f60a38 | 2013-05-30 03:05:14 +0000 | [diff] [blame] | 92 | @ The first word should be the offset to .TEST1. |
| 93 | @ The second word should be the offset to .ARM.extab.TEST1 |
| 94 | @------------------------------------------------------------------------------- |
| 95 | @ CHECK: SectionData ( |
| 96 | @ CHECK: 0000: 00000000 00000000 04000000 08000000 |................| |
| 97 | @ CHECK: ) |
| 98 | @ CHECK: } |
Rafael Espindola | 4f60a38 | 2013-05-30 03:05:14 +0000 | [diff] [blame] | 99 | @------------------------------------------------------------------------------- |
Logan Chien | 4ea23b5 | 2013-05-10 16:17:24 +0000 | [diff] [blame] | 100 | @ The first word of each entry should be relocated to .TEST1 section. |
| 101 | @ The second word of each entry should be relocated to |
| 102 | @ .ARM.extab.TESET1 section. |
| 103 | @------------------------------------------------------------------------------- |
Rafael Espindola | 7fa23fc | 2015-04-15 17:24:06 +0000 | [diff] [blame] | 104 | |
Rafael Espindola | 5ffca73 | 2015-04-16 12:59:30 +0000 | [diff] [blame] | 105 | @ RELOC: Section { |
| 106 | @ RELOC: Name: .rel.ARM.exidx.TEST1 |
| 107 | @ RELOC: Relocations [ |
| 108 | @ RELOC: 0x0 R_ARM_PREL31 .TEST1 0x0 |
| 109 | @ RELOC: 0x4 R_ARM_PREL31 .ARM.extab.TEST1 0x0 |
| 110 | @ RELOC: 0x8 R_ARM_PREL31 .TEST1 0x0 |
| 111 | @ RELOC: 0xC R_ARM_PREL31 .ARM.extab.TEST1 0x0 |
| 112 | @ RELOC: ] |
| 113 | @ RELOC: } |
Logan Chien | 4ea23b5 | 2013-05-10 16:17:24 +0000 | [diff] [blame] | 114 | |
| 115 | |
| 116 | @------------------------------------------------------------------------------- |
| 117 | @ Check the symbols "func1" and "func2". They should belong to .TEST1 section. |
| 118 | @------------------------------------------------------------------------------- |
| 119 | @ CHECK: Symbols [ |
| 120 | @ CHECK: Symbol { |
| 121 | @ CHECK: Name: func1 |
| 122 | @ CHECK: Value: 0x0 |
| 123 | @ CHECK: Size: 0 |
| 124 | @ CHECK: Binding: Global (0x1) |
| 125 | @ CHECK: Type: Function (0x2) |
| 126 | @ CHECK: Other: 0 |
Rafael Espindola | 88d1f63 | 2015-04-29 20:25:24 +0000 | [diff] [blame] | 127 | @ CHECK: Section: .TEST1 |
Logan Chien | 4ea23b5 | 2013-05-10 16:17:24 +0000 | [diff] [blame] | 128 | @ CHECK: } |
| 129 | @ CHECK: Symbol { |
| 130 | @ CHECK: Name: func2 |
| 131 | @ CHECK: Value: 0x4 |
| 132 | @ CHECK: Size: 0 |
| 133 | @ CHECK: Binding: Global (0x1) |
| 134 | @ CHECK: Type: Function (0x2) |
| 135 | @ CHECK: Other: 0 |
Rafael Espindola | 88d1f63 | 2015-04-29 20:25:24 +0000 | [diff] [blame] | 136 | @ CHECK: Section: .TEST1 |
Logan Chien | 4ea23b5 | 2013-05-10 16:17:24 +0000 | [diff] [blame] | 137 | @ CHECK: } |
| 138 | @ CHECK: ] |