| # REQUIRES: x86 |
| ## Test we resolve symbolic relocations in .debug_* sections to a tombstone |
| ## value if the referenced symbol is discarded (--gc-sections, non-prevailing |
| ## section group, SHF_EXCLUDE, /DISCARD/, etc). |
| |
| # RUN: llvm-mc -filetype=obj -triple=i386 %s -o %t.o |
| # RUN: ld.lld %t.o -o %t |
| # RUN: llvm-objdump -s %t | FileCheck %s |
| |
| # CHECK: Contents of section .debug_loc: |
| # CHECK-NEXT: 0000 01000000 |
| # CHECK-NEXT: Contents of section .debug_ranges: |
| # CHECK-NEXT: 0000 01000000 |
| # CHECK-NEXT: Contents of section .debug_addr: |
| # CHECK-NEXT: 0000 00000000 |
| # CHECK-NEXT: Contents of section .debug_names: |
| # CHECK-NEXT: 0000 ffffffff |
| |
| ## -z dead-reloc-in-nonalloc= can override the tombstone value. |
| # RUN: ld.lld -z dead-reloc-in-nonalloc=.debug_loc=42 -z dead-reloc-in-nonalloc=.debug_addr=0xfffffffffffffffe %t.o -o %t1 |
| # RUN: llvm-objdump -s %t1 | FileCheck %s --check-prefix=OVERRIDE |
| |
| # OVERRIDE: Contents of section .debug_loc: |
| # OVERRIDE-NEXT: 0000 2a000000 *... |
| # OVERRIDE-NEXT: Contents of section .debug_ranges: |
| # OVERRIDE-NEXT: 0000 01000000 .... |
| # OVERRIDE-NEXT: Contents of section .debug_addr: |
| # OVERRIDE-NEXT: 0000 feffffff .... |
| |
| .section .text.1,"axe" |
| .byte 0 |
| |
| ## Resolved to UINT32_C(-2), with the addend ignored. |
| ## UINT32_C(-1) is a reserved value (base address selection entry) which can't be used. |
| .section .debug_loc |
| .long .text.1+8 |
| .section .debug_ranges |
| .long .text.1+16 |
| |
| ## Resolved to UINT32_C(0), with the addend ignored. |
| .section .debug_addr |
| .long .text.1+8 |
| |
| .section .debug_info,"eG",@progbits,5657452045627120676,comdat |
| .Ltu_begin0: |
| |
| .section .debug_names |
| ## .debug_names may reference a local type unit defined in a COMDAT .debug_info |
| ## section (-g -gpubnames -fdebug-types-section). If the referenced section is |
| ## non-prevailing, resolve to UINT32_MAX. |
| .long .Ltu_begin0 |