1# REQUIRES: x86 2## Test we resolve symbolic relocations in .debug_* sections to a tombstone 3## value if the referenced symbol is discarded (--gc-sections, non-prevailing 4## section group, SHF_EXCLUDE, /DISCARD/, etc). 5 6# RUN: llvm-mc -filetype=obj -triple=i386 %s -o %t.o 7# RUN: ld.lld %t.o -o %t 8# RUN: llvm-objdump -s %t | FileCheck %s 9 10# CHECK: Contents of section .debug_loc: 11# CHECK-NEXT: 0000 01000000 12# CHECK-NEXT: Contents of section .debug_ranges: 13# CHECK-NEXT: 0000 01000000 14# CHECK-NEXT: Contents of section .debug_addr: 15# CHECK-NEXT: 0000 00000000 16# CHECK-NEXT: Contents of section .debug_names: 17# CHECK-NEXT: 0000 ffffffff 18 19## -z dead-reloc-in-nonalloc= can override the tombstone value. 20# RUN: ld.lld -z dead-reloc-in-nonalloc=.debug_loc=42 -z dead-reloc-in-nonalloc=.debug_addr=0xfffffffffffffffe %t.o -o %t1 21# RUN: llvm-objdump -s %t1 | FileCheck %s --check-prefix=OVERRIDE 22 23# OVERRIDE: Contents of section .debug_loc: 24# OVERRIDE-NEXT: 0000 2a000000 *... 25# OVERRIDE-NEXT: Contents of section .debug_ranges: 26# OVERRIDE-NEXT: 0000 01000000 .... 27# OVERRIDE-NEXT: Contents of section .debug_addr: 28# OVERRIDE-NEXT: 0000 feffffff .... 29 30.section .text.1,"axe" 31 .byte 0 32 33## Resolved to UINT32_C(-2), with the addend ignored. 34## UINT32_C(-1) is a reserved value (base address selection entry) which can't be used. 35.section .debug_loc 36 .long .text.1+8 37.section .debug_ranges 38 .long .text.1+16 39 40## Resolved to UINT32_C(0), with the addend ignored. 41.section .debug_addr 42 .long .text.1+8 43 44.section .debug_info,"eG",@progbits,5657452045627120676,comdat 45.Ltu_begin0: 46 47.section .debug_names 48## .debug_names may reference a local type unit defined in a COMDAT .debug_info 49## section (-g -gpubnames -fdebug-types-section). If the referenced section is 50## non-prevailing, resolve to UINT32_MAX. 51.long .Ltu_begin0 52