| # REQUIRES: x86 |
| |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o |
| # RUN: ld.lld --eh-frame-hdr --section-start .text=0x1000 %t.o -o %t |
| # RUN: llvm-readobj -s -section-data %t | FileCheck %s |
| |
| ## Check we are able to handle DW_EH_PE_udata2 encoding. |
| |
| # CHECK: Section { |
| # CHECK: Index: |
| # CHECK: Name: .eh_frame_hdr |
| # CHECK-NEXT: Type: SHT_PROGBITS |
| # CHECK-NEXT: Flags [ |
| # CHECK-NEXT: SHF_ALLOC |
| # CHECK-NEXT: ] |
| # CHECK-NEXT: Address: 0x2000 |
| # CHECK-NEXT: Offset: 0x2000 |
| # CHECK-NEXT: Size: 20 |
| # CHECK-NEXT: Link: 0 |
| # CHECK-NEXT: Info: 0 |
| # CHECK-NEXT: AddressAlignment: 4 |
| # CHECK-NEXT: EntrySize: 0 |
| # CHECK-NEXT: SectionData ( |
| # CHECK-NEXT: 0000: 011B033B 10000000 01000000 34F2FFFF |
| # CHECK-NEXT: 0010: 24000000 |
| # Header (always 4 bytes): 011B033B |
| # 10000000 = .eh_frame(0x2014) - .eh_frame_hdr(0x2000) - 4 |
| # 01000000 = 1 = the number of FDE pointers in the table. |
| # 34F2FFFF = foo(0x1000) - 0x234(addend) - .eh_frame_hdr(0x2000) |
| |
| # CHECK: Section { |
| # CHECK: Index: |
| # CHECK: Name: .eh_frame |
| # CHECK-NEXT: Type: SHT_PROGBITS |
| # CHECK-NEXT: Flags [ |
| # CHECK-NEXT: SHF_ALLOC |
| # CHECK-NEXT: ] |
| # CHECK-NEXT: Address: 0x2014 |
| # CHECK-NEXT: Offset: 0x2014 |
| # CHECK-NEXT: Size: |
| # CHECK-NEXT: Link: |
| # CHECK-NEXT: Info: |
| # CHECK-NEXT: AddressAlignment: |
| # CHECK-NEXT: EntrySize: |
| # CHECK-NEXT: SectionData ( |
| # CHECK-NEXT: 0000: 0C000000 00000000 01520001 010102FF |
| # CHECK-NEXT: 0010: 0C000000 14000000 34120000 00000000 |
| # ^ |
| # ---> ADDR(foo) + 0x234 = 0x1234 |
| |
| .text |
| .global foo |
| foo: |
| nop |
| |
| .section .eh_frame |
| .long 12 # Size |
| .long 0x00 # ID |
| .byte 0x01 # Version. |
| |
| .byte 0x52 # Augmentation string: 'R','\0' |
| .byte 0x00 |
| |
| .byte 0x01 |
| |
| .byte 0x01 # LEB128 |
| .byte 0x01 # LEB128 |
| |
| .byte 0x02 # DW_EH_PE_udata2 |
| |
| .byte 0xFF |
| |
| .long 0x6 # Size |
| .long 0x14 # ID |
| .short foo + 0x234 |
