# Test unwind info for functions which have been split into two or more parts. # In particular, check we return the correct set of unwind plans when querying # addresses which are in the middle of discontinuous functions. # REQUIRES: lld, target-x86_64 # RUN: llvm-mc -triple=x86_64-pc-linux -filetype=obj \ # RUN: %S/Inputs/basic-block-sections-with-dwarf.s > %t.o # RUN: ld.lld %t.o -o %t ## NB: This minidump exists only as a receptacle for the object file built ## above. This is a workaround for the fact that "image show-unwind" does not ## work without a Process object. # RUN: yaml2obj %S/Inputs/linux-x86_64.yaml > %t.core # RUN: %lldb -c %t.core %t -o "image load --file %t --slide 0" -s %s -o exit | \ # RUN: FileCheck --implicit-check-not="UNWIND PLANS" %s image show-unwind --cached true -n foo # CHECK: UNWIND PLANS for {{.*}}`foo # # CHECK: eh_frame UnwindPlan: # CHECK-NEXT: This UnwindPlan originally sourced from eh_frame CFI # CHECK-NEXT: This UnwindPlan is sourced from the compiler: yes. # CHECK-NEXT: This UnwindPlan is valid at all instruction locations: no. # CHECK-NEXT: This UnwindPlan is for a trap handler function: no. # CHECK-NEXT: Address range of this UnwindPlan: [{{.*}}.text + 6-0x0000000000000010)[{{.*}}.text + 17-0x000000000000001c)[{{.*}}.text + 44-0x0000000000000037)[{{.*}}.text + 56-0x000000000000003d) # CHECK-NEXT: row[0]: 0: CFA=rsp +8 => rip=[CFA-8] # CHECK-NEXT: row[1]: 1: CFA=rsp+16 => rbx=[CFA-16] rip=[CFA-8] # CHECK-NEXT: row[2]: 11: CFA=rsp+16 => rbx=[CFA-16] rip=[CFA-8] # CHECK-NEXT: row[3]: 15: CFA=rsp+32 => rbx=[CFA-16] rip=[CFA-8] # CHECK-NEXT: row[4]: 38: CFA=rsp+16 => rbx=[CFA-16] rip=[CFA-8] # CHECK-NEXT: row[5]: 42: CFA=rsp+32 => rbx=[CFA-16] rip=[CFA-8] # CHECK-NEXT: row[6]: 50: CFA=rsp+32 => rbx=[CFA-16] rip=[CFA-8] # CHECK-NEXT: row[7]: 54: CFA=rsp +8 => rbx=[CFA-16] rip=[CFA-8] # CHECK-EMPTY: image show-unwind --cached true -n bar # CHECK: UNWIND PLANS for {{.*}}`bar # CHECK: eh_frame UnwindPlan: # CHECK-NEXT: This UnwindPlan originally sourced from eh_frame CFI # CHECK-NEXT: This UnwindPlan is sourced from the compiler: yes. # CHECK-NEXT: This UnwindPlan is valid at all instruction locations: no. # CHECK-NEXT: This UnwindPlan is for a trap handler function: no. # CHECK-NEXT: Address range of this UnwindPlan: [{{.*}}.text + 28-0x000000000000002c) # CHECK-NEXT: row[0]: 0: CFA=rsp +8 => rip=[CFA-8] # CHECK-NEXT: row[1]: 4: CFA=rsp+32 => rip=[CFA-8] # CHECK-NEXT: row[2]: 15: CFA=rsp +8 => rip=[CFA-8] # CHECK-EMPTY: