| @ RUN: llvm-mc %s -triple=armv7-unknown-linux-gnueabi -filetype=obj -o - \ |
| @ RUN: | llvm-readobj -S --sd --sr --symbols - > %t |
| @ RUN: FileCheck %s < %t |
| @ RUN: FileCheck --check-prefix=RELOC %s < %t |
| |
| @ Check the combination of .section, .fnstart, and .fnend directives. |
| |
| @ For the functions in .text section, the exception handling index (EXIDX) |
| @ should be generated in .ARM.exidx, and the exception handling table (EXTAB) |
| @ should be generated in .ARM.extab. |
| |
| @ For the functions in custom section specified by .section directives, |
| @ the EXIDX should be generated in ".ARM.exidx[[SECTION_NAME]]", and the EXTAB |
| @ should be generated in ".ARM.extab[[SECTION_NAME]]". |
| |
| .syntax unified |
| |
| @------------------------------------------------------------------------------- |
| @ .TEST1 section |
| @------------------------------------------------------------------------------- |
| .section .TEST1 |
| .globl func1 |
| .align 2 |
| .type func1,%function |
| .fnstart |
| func1: |
| bx lr |
| .personality __gxx_personality_v0 |
| .handlerdata |
| .fnend |
| |
| |
| @------------------------------------------------------------------------------- |
| @ TEST2 section (without the dot in the beginning) |
| @------------------------------------------------------------------------------- |
| .section TEST2 |
| .globl func2 |
| .align 2 |
| .type func2,%function |
| .fnstart |
| func2: |
| bx lr |
| .personality __gxx_personality_v0 |
| .handlerdata |
| .fnend |
| |
| |
| @------------------------------------------------------------------------------- |
| @ Check the .TEST1 section. |
| @------------------------------------------------------------------------------- |
| @ CHECK: Sections [ |
| @ CHECK: Section { |
| @ CHECK: Index: 3 |
| @ CHECK-NEXT: Name: .TEST1 |
| @ CHECK: SectionData ( |
| @ CHECK: 0000: 1EFF2FE1 |../.| |
| @ CHECK: ) |
| @ CHECK: } |
| |
| @------------------------------------------------------------------------------- |
| @ Check the .ARM.extab.TEST1 section, the EXTAB of .TEST1 section. |
| @------------------------------------------------------------------------------- |
| @ CHECK: Section { |
| @ CHECK: Name: .ARM.extab.TEST1 |
| @ CHECK: SectionData ( |
| @ CHECK: 0000: 00000000 B0B0B000 |........| |
| @ CHECK: ) |
| @ CHECK: } |
| |
| @ RELOC: Section { |
| @ RELOC: Name: .rel.ARM.extab.TEST1 |
| @ RELOC: Relocations [ |
| @ RELOC: 0x0 R_ARM_PREL31 __gxx_personality_v0 |
| @ RELOC: ] |
| @ RELOC: } |
| |
| |
| @------------------------------------------------------------------------------- |
| @ Check the.ARM.exidx.TEST1 section, the EXIDX of .TEST1 section. |
| @------------------------------------------------------------------------------- |
| @ CHECK: Section { |
| @ CHECK: Name: .ARM.exidx.TEST1 |
| |
| @------------------------------------------------------------------------------- |
| @ This section should linked with .TEST1 section. |
| @------------------------------------------------------------------------------- |
| @ CHECK: Link: 3 |
| |
| @------------------------------------------------------------------------------- |
| @ The first word should be relocated to the code address in .TEST1 section. |
| @ The second word should be relocated to the EHTAB entry in .ARM.extab.TEST1 |
| @ section. |
| @------------------------------------------------------------------------------- |
| @ CHECK: SectionData ( |
| @ CHECK: 0000: 00000000 00000000 |........| |
| @ CHECK: ) |
| @ CHECK: } |
| |
| @ RELOC: Section { |
| @ RELOC: Name: .rel.ARM.exidx.TEST1 |
| @ RELOC: Relocations [ |
| @ RELOC: 0x0 R_ARM_PREL31 .TEST1 |
| @ RELOC: 0x4 R_ARM_PREL31 .ARM.extab.TEST1 |
| @ RELOC: ] |
| @ RELOC: } |
| |
| |
| @------------------------------------------------------------------------------- |
| @ Check the TEST2 section (without the dot in the beginning) |
| @------------------------------------------------------------------------------- |
| @ CHECK: Section { |
| @ CHECK: Index: 8 |
| @ CHECK-NEXT: Name: TEST2 |
| @ CHECK: SectionData ( |
| @ CHECK: 0000: 1EFF2FE1 |../.| |
| @ CHECK: ) |
| @ CHECK: } |
| |
| @------------------------------------------------------------------------------- |
| @ Check the .ARM.extabTEST2 section, the EXTAB of TEST2 section. |
| @------------------------------------------------------------------------------- |
| @ CHECK: Section { |
| @ CHECK: Name: .ARM.extabTEST2 |
| @ CHECK: SectionData ( |
| @ CHECK: 0000: 00000000 B0B0B000 |........| |
| @ CHECK: ) |
| @ CHECK: } |
| |
| @ RELOC: Section { |
| @ RELOC: Name: .rel.ARM.extabTEST2 |
| @ RELOC: Relocations [ |
| @ RELOC: 0x0 R_ARM_PREL31 __gxx_personality_v0 |
| @ RELOC: ] |
| @ RELOC: } |
| |
| |
| @------------------------------------------------------------------------------- |
| @ Check the .ARM.exidxTEST2 section, the EXIDX of TEST2 section. |
| @------------------------------------------------------------------------------- |
| @ CHECK: Section { |
| @ CHECK: Name: .ARM.exidxTEST2 |
| |
| @------------------------------------------------------------------------------- |
| @ This section should linked with TEST2 section. |
| @------------------------------------------------------------------------------- |
| @ CHECK: Link: 8 |
| |
| @------------------------------------------------------------------------------- |
| @ The first word should be relocated to the code address in TEST2 section. |
| @ The second word should be relocated to the EHTAB entry in .ARM.extabTEST2 |
| @ section. |
| @------------------------------------------------------------------------------- |
| @ CHECK: SectionData ( |
| @ CHECK: 0000: 00000000 00000000 |........| |
| @ CHECK: ) |
| @ CHECK: } |
| |
| @ RELOC: Section { |
| @ RELOC: Name: .rel.ARM.exidxTEST2 |
| @ RELOC: Relocations [ |
| @ RELOC: 0x0 R_ARM_PREL31 TEST2 |
| @ RELOC: 0x4 R_ARM_PREL31 .ARM.extabTEST2 |
| @ RELOC: ] |
| @ RELOC: } |
| |
| |
| |
| @------------------------------------------------------------------------------- |
| @ Check the symbols and the sections they belong to |
| @------------------------------------------------------------------------------- |
| @ CHECK: Symbols [ |
| @ CHECK: Symbol { |
| @ CHECK: Name: func1 |
| @ CHECK: Section: .TEST1 |
| @ CHECK: } |
| @ CHECK: Symbol { |
| @ CHECK: Name: func2 |
| @ CHECK: Section: TEST2 |
| @ CHECK: } |
| @ CHECK: ] |