# clang-format off # REQUIRES: lld, x86 # Test when nested S_BLOCK32 have same address range, ResolveSymbolContext should return the innnermost block. # RUN: llvm-mc -triple=x86_64-windows-msvc --filetype=obj %s > %t.obj # RUN: lld-link /debug:full /nodefaultlib /entry:main %t.obj /out:%t.exe /base:0x140000000 # RUN: env LLDB_USE_NATIVE_PDB_READER=1 %lldb -f %t.exe -o "image lookup -a 0x14000103c -v" -o "exit" | FileCheck %s # This file is compiled from following source file: # $ clang-cl /Z7 /GS- /c /O2 test.cpp /Fatest.s # __attribute__((optnone)) bool func(const char* cp, volatile char p[]) { # return false; # } # # int main() { # const char* const kMfDLLs[] = {"a"}; # asm("nop"); # for (const char* kMfDLL : kMfDLLs) { # volatile char path[10] = {0}; # if (func(kMfDLL, path)) # break; # } # return 0; # } # CHECK: Function: id = {{.*}}, name = "main", range = [0x0000000140001020-0x000000014000104d) # CHECK-NEXT: FuncType: id = {{.*}}, byte-size = 0, compiler_type = "int (void)" # CHECK-NEXT: Blocks: id = {{.*}}, range = [0x140001020-0x14000104d) # CHECK-NEXT: id = {{.*}}, range = [0x140001025-0x140001046) # CHECK-NEXT: id = {{.*}}, range = [0x140001025-0x140001046) # CHECK-NEXT: id = {{.*}}, range = [0x140001025-0x140001046) # CHECK-NEXT: LineEntry: [0x0000000140001035-0x0000000140001046): /tmp/test.cpp:10 # CHECK-NEXT: Variable: id = {{.*}}, name = "path", type = "volatile char[10]", valid ranges = , location = [0x0000000140001025, 0x0000000140001046) -> DW_OP_breg7 RSP+40, decl = # CHECK-NEXT: Variable: id = {{.*}}, name = "kMfDLL", type = "const char *", valid ranges = , location = [0x000000014000103c, 0x0000000140001046) -> DW_OP_reg2 RCX, decl = # CHECK-NEXT: Variable: id = {{.*}}, name = "__range1", type = "const char *const (&)[1]", valid ranges = , location = , decl = # CHECK-NEXT: Variable: id = {{.*}}, name = "__begin1", type = "const char *const *", valid ranges = , location = , decl = # CHECK-NEXT: Variable: id = {{.*}}, name = "__end1", type = "const char *const *", valid ranges = , location = , decl = # CHECK-NEXT: Variable: id = {{.*}}, name = "kMfDLLs", type = "const char *const[1]", valid ranges = , location = [0x000000014000103c, 0x0000000140001046) -> DW_OP_reg2 RCX, decl = .text .def @feat.00; .scl 3; .type 0; .endef .globl @feat.00 .set @feat.00, 0 .intel_syntax noprefix .file "test.cpp" .def "?func@@YA_NPEBDQECD@Z"; .scl 2; .type 32; .endef .section .text,"xr",one_only,"?func@@YA_NPEBDQECD@Z" .globl "?func@@YA_NPEBDQECD@Z" # -- Begin function ?func@@YA_NPEBDQECD@Z .p2align 4, 0x90 "?func@@YA_NPEBDQECD@Z": # @"?func@@YA_NPEBDQECD@Z" .Lfunc_begin0: .cv_func_id 0 .cv_file 1 "/tmp/test.cpp" "8CDAA03EE93954606427F9B409CE7638" 1 .cv_loc 0 1 1 0 # test.cpp:1:0 .seh_proc "?func@@YA_NPEBDQECD@Z" # %bb.0: # %entry sub rsp, 16 .seh_stackalloc 16 .seh_endprologue mov qword ptr [rsp + 8], rdx mov qword ptr [rsp], rcx .Ltmp0: .cv_loc 0 1 2 0 # test.cpp:2:0 xor eax, eax and al, 1 movzx eax, al add rsp, 16 ret .Ltmp1: .Lfunc_end0: .seh_endproc # -- End function .def main; .scl 2; .type 32; .endef .section .text,"xr",one_only,main .globl main # -- Begin function main .p2align 4, 0x90 main: # @main .Lfunc_begin1: .cv_func_id 1 .cv_loc 1 1 5 0 # test.cpp:5:0 .seh_proc main # %bb.0: # %entry sub rsp, 56 .seh_stackalloc 56 .seh_endprologue .Ltmp2: .cv_loc 1 1 7 0 # test.cpp:7:0 #APP nop #NO_APP .Ltmp3: #DEBUG_VALUE: __range1 <- undef #DEBUG_VALUE: __begin1 <- undef #DEBUG_VALUE: __end1 <- [DW_OP_plus_uconst 8, DW_OP_stack_value] undef .cv_loc 1 1 9 0 # test.cpp:9:0 mov word ptr [rsp + 48], 0 mov qword ptr [rsp + 40], 0 .cv_loc 1 1 10 0 # test.cpp:10:0 lea rcx, [rip + "??_C@_01MCMALHOG@a?$AA@"] .Ltmp4: #DEBUG_VALUE: main:kMfDLLs <- $rcx #DEBUG_VALUE: kMfDLL <- $rcx lea rdx, [rsp + 40] call "?func@@YA_NPEBDQECD@Z" .Ltmp5: #DEBUG_VALUE: __begin1 <- [DW_OP_LLVM_arg 0, DW_OP_LLVM_arg 1, DW_OP_constu 8, DW_OP_mul, DW_OP_plus, DW_OP_stack_value] undef, undef .cv_loc 1 1 14 0 # test.cpp:14:0 xor eax, eax add rsp, 56 ret .Ltmp6: .Lfunc_end1: .seh_endproc # -- End function .section .rdata,"dr",discard,"??_C@_01MCMALHOG@a?$AA@" .globl "??_C@_01MCMALHOG@a?$AA@" # @"??_C@_01MCMALHOG@a?$AA@" "??_C@_01MCMALHOG@a?$AA@": .asciz "a" .section .debug$S,"dr" .p2align 2, 0x0 .long 4 # Debug section magic .long 241 .long .Ltmp8-.Ltmp7 # Subsection size .Ltmp7: .short .Ltmp12-.Ltmp11 # Record length .Ltmp11: .short 4412 # Record kind: S_COMPILE3 .long 1 # Flags and language .short 208 # CPUType .short 16 # Frontend version .short 0 .short 0 .short 0 .short 16000 # Backend version .short 0 .short 0 .short 0 .asciz "clang version 16.0.0" # Null-terminated compiler version string .p2align 2, 0x0 .Ltmp12: .Ltmp8: .p2align 2, 0x0 .section .debug$S,"dr",associative,"?func@@YA_NPEBDQECD@Z" .p2align 2, 0x0 .long 4 # Debug section magic .long 241 # Symbol subsection for func .Ltmp14: .p2align 2, 0x0 .cv_linetable 0, "?func@@YA_NPEBDQECD@Z", .Lfunc_end0 .section .debug$S,"dr",associative,main .p2align 2, 0x0 .long 4 # Debug section magic .long 241 # Symbol subsection for main .long .Ltmp24-.Ltmp23 # Subsection size .Ltmp23: .short .Ltmp26-.Ltmp25 # Record length .Ltmp25: .short 4423 # Record kind: S_GPROC32_ID .long 0 # PtrParent .long 0 # PtrEnd .long 0 # PtrNext .long .Lfunc_end1-main # Code size .long 0 # Offset after prologue .long 0 # Offset before epilogue .long 4105 # Function type index .secrel32 main # Function section relative address .secidx main # Function section index .byte 0 # Flags .asciz "main" # Function name .p2align 2, 0x0 .Ltmp26: .short .Ltmp28-.Ltmp27 # Record length .Ltmp27: .short 4114 # Record kind: S_FRAMEPROC .long 56 # FrameSize .long 0 # Padding .long 0 # Offset of padding .long 0 # Bytes of callee saved registers .long 0 # Exception handler offset .short 0 # Exception handler section .long 1130504 # Flags (defines frame register) .p2align 2, 0x0 .Ltmp28: .short .Ltmp30-.Ltmp29 # Record length .Ltmp29: .short 4414 # Record kind: S_LOCAL .long 4107 # TypeIndex .short 0 # Flags .asciz "kMfDLLs" .p2align 2, 0x0 .Ltmp30: .cv_def_range .Ltmp4 .Ltmp5, reg, 330 .short .Ltmp32-.Ltmp31 # Record length .Ltmp31: .short 4355 # Record kind: S_BLOCK32 .long 0 # PtrParent .long 0 # PtrEnd .long .Ltmp5-.Ltmp3 # Code size .secrel32 .Ltmp3 # Function section relative address .secidx .Lfunc_begin1 # Function section index .byte 0 # Lexical block name .p2align 2, 0x0 .Ltmp32: .short .Ltmp34-.Ltmp33 # Record length .Ltmp33: .short 4414 # Record kind: S_LOCAL .long 4108 # TypeIndex .short 256 # Flags .asciz "__range1" .p2align 2, 0x0 .Ltmp34: .short .Ltmp36-.Ltmp35 # Record length .Ltmp35: .short 4414 # Record kind: S_LOCAL .long 4109 # TypeIndex .short 256 # Flags .asciz "__begin1" .p2align 2, 0x0 .Ltmp36: .short .Ltmp38-.Ltmp37 # Record length .Ltmp37: .short 4414 # Record kind: S_LOCAL .long 4109 # TypeIndex .short 256 # Flags .asciz "__end1" .p2align 2, 0x0 .Ltmp38: .short .Ltmp40-.Ltmp39 # Record length .Ltmp39: .short 4355 # Record kind: S_BLOCK32 .long 0 # PtrParent .long 0 # PtrEnd .long .Ltmp5-.Ltmp3 # Code size .secrel32 .Ltmp3 # Function section relative address .secidx .Lfunc_begin1 # Function section index .byte 0 # Lexical block name .p2align 2, 0x0 .Ltmp40: .short .Ltmp42-.Ltmp41 # Record length .Ltmp41: .short 4414 # Record kind: S_LOCAL .long 4097 # TypeIndex .short 0 # Flags .asciz "kMfDLL" .p2align 2, 0x0 .Ltmp42: .cv_def_range .Ltmp4 .Ltmp5, reg, 330 .short .Ltmp44-.Ltmp43 # Record length .Ltmp43: .short 4355 # Record kind: S_BLOCK32 .long 0 # PtrParent .long 0 # PtrEnd .long .Ltmp5-.Ltmp3 # Code size .secrel32 .Ltmp3 # Function section relative address .secidx .Lfunc_begin1 # Function section index .byte 0 # Lexical block name .p2align 2, 0x0 .Ltmp44: .short .Ltmp46-.Ltmp45 # Record length .Ltmp45: .short 4414 # Record kind: S_LOCAL .long 4110 # TypeIndex .short 0 # Flags .asciz "path" .p2align 2, 0x0 .Ltmp46: .cv_def_range .Ltmp3 .Ltmp5, frame_ptr_rel, 40 .short 2 # Record length .short 6 # Record kind: S_END .short 2 # Record length .short 6 # Record kind: S_END .short 2 # Record length .short 6 # Record kind: S_END .short 2 # Record length .short 4431 # Record kind: S_PROC_ID_END .Ltmp24: .p2align 2, 0x0 .cv_linetable 1, main, .Lfunc_end1 .section .debug$S,"dr" .cv_filechecksums # File index to string table offset subsection .cv_stringtable # String table .Ltmp50: .Ltmp48: .p2align 2, 0x0 .section .debug$T,"dr" .p2align 2, 0x0 .long 4 # Debug section magic # Modifier (0x1000) .short 0xa # Record length .short 0x1001 # Record kind: LF_MODIFIER .long 0x70 # ModifiedType: char .short 0x1 # Modifiers ( Const (0x1) ) .byte 242 .byte 241 # Pointer (0x1001) .short 0xa # Record length .short 0x1002 # Record kind: LF_POINTER .long 0x1000 # PointeeType: const char .long 0x1000c # Attrs: [ Type: Near64, Mode: Pointer, SizeOf: 8 ] # Modifier (0x1002) .short 0xa # Record length .short 0x1001 # Record kind: LF_MODIFIER .long 0x70 # ModifiedType: char .short 0x2 # Modifiers ( Volatile (0x2) ) .byte 242 .byte 241 # Pointer (0x1003) .short 0xa # Record length .short 0x1002 # Record kind: LF_POINTER .long 0x1002 # PointeeType: volatile char .long 0x1000c # Attrs: [ Type: Near64, Mode: Pointer, SizeOf: 8 ] # ArgList (0x1004) .short 0xe # Record length .short 0x1201 # Record kind: LF_ARGLIST .long 0x2 # NumArgs .long 0x1001 # Argument: const char* .long 0x1003 # Argument: volatile char* # Procedure (0x1005) .short 0xe # Record length .short 0x1008 # Record kind: LF_PROCEDURE .long 0x30 # ReturnType: bool .byte 0x0 # CallingConvention: NearC .byte 0x0 # FunctionOptions .short 0x2 # NumParameters .long 0x1004 # ArgListType: (const char*, volatile char*) # FuncId (0x1006) .short 0x12 # Record length .short 0x1601 # Record kind: LF_FUNC_ID .long 0x0 # ParentScope .long 0x1005 # FunctionType: bool (const char*, volatile char*) .asciz "func" # Name .byte 243 .byte 242 .byte 241 # ArgList (0x1007) .short 0x6 # Record length .short 0x1201 # Record kind: LF_ARGLIST .long 0x0 # NumArgs # Procedure (0x1008) .short 0xe # Record length .short 0x1008 # Record kind: LF_PROCEDURE .long 0x74 # ReturnType: int .byte 0x0 # CallingConvention: NearC .byte 0x0 # FunctionOptions .short 0x0 # NumParameters .long 0x1007 # ArgListType: () # FuncId (0x1009) .short 0x12 # Record length .short 0x1601 # Record kind: LF_FUNC_ID .long 0x0 # ParentScope .long 0x1008 # FunctionType: int () .asciz "main" # Name .byte 243 .byte 242 .byte 241 # Pointer (0x100A) .short 0xa # Record length .short 0x1002 # Record kind: LF_POINTER .long 0x1000 # PointeeType: const char .long 0x1040c # Attrs: [ Type: Near64, Mode: Pointer, SizeOf: 8, isConst ] # Array (0x100B) .short 0xe # Record length .short 0x1503 # Record kind: LF_ARRAY .long 0x100a # ElementType: const char* const .long 0x23 # IndexType: unsigned __int64 .short 0x8 # SizeOf .byte 0 # Name .byte 241 # Pointer (0x100C) .short 0xa # Record length .short 0x1002 # Record kind: LF_POINTER .long 0x100b # PointeeType .long 0x1002c # Attrs: [ Type: Near64, Mode: LValueReference, SizeOf: 8 ] # Pointer (0x100D) .short 0xa # Record length .short 0x1002 # Record kind: LF_POINTER .long 0x100a # PointeeType: const char* const .long 0x1000c # Attrs: [ Type: Near64, Mode: Pointer, SizeOf: 8 ] # Array (0x100E) .short 0xe # Record length .short 0x1503 # Record kind: LF_ARRAY .long 0x1002 # ElementType: volatile char .long 0x23 # IndexType: unsigned __int64 .short 0xa # SizeOf .byte 0 # Name .byte 241