## Check that the --debug-vars option works for simple register locations, when
## using DWARF4 debug info, with multiple functions in one section.
## Generated with this compile command and source code:
## clang --target=arm--none-eabi -march=armv7-a -c debug.c -O1 -gdwarf-3 -S -o -
## clang --target=powerpc64-unknown-linux -c debug.c -O1 -S -o -
## int foo(int a, int b, int c) {
## int x = a + b;
## int y = x + c;
## return y;
## }
##
## int bar(int a) {
## a++;
## return a;
## }
# RUN: llvm-mc -triple powerpc64-unknown-linux < %s -filetype=obj | \
# RUN: llvm-objdump - -d --debug-vars --no-show-raw-insn | \
# RUN: FileCheck %s
# CHECK: Disassembly of section .text:
# CHECK-EMPTY:
# CHECK-NEXT: 0000000000000000 <.text>:
# CHECK-NEXT: ┠─ a = S3
# CHECK-NEXT: ┃ ┠─ b = S4
# CHECK-NEXT: ┃ ┃ ┠─ c = S5
# CHECK-NEXT: ┃ ┃ ┃ ┌─ x = S3
# CHECK-NEXT: 0: add 3, 4, 3 ┻ ┃ ┃ ╈
# CHECK-NEXT: ┌─ y = S3
# CHECK-NEXT: 4: add 3, 3, 5 ╈ ┃ ┃ ┻
# CHECK-NEXT: 8: extsw 3, 3 ┻ ┃ ┃
# CHECK-NEXT: c: blr ┃ ┃
# CHECK-NEXT: ...
# CHECK-NEXT: ┠─ a = S3
# CHECK-NEXT: 1c: addi 3, 3, 1 ┃
# CHECK-NEXT: 20: extsw 3, 3 ┻
# CHECK-NEXT: 24: blr
# CHECK-NEXT: ...
.text
.file "debug.c"
.globl foo # -- Begin function foo
.p2align 2
.type foo,@function
.section .opd,"aw",@progbits
foo: # @foo
.p2align 3
.quad .Lfunc_begin0
.quad .TOC.@tocbase
.quad 0
.text
.Lfunc_begin0:
.file 1 "/work" "llvm/src/llvm/test/tools/llvm-objdump/ARM/Inputs/debug.c"
.loc 1 1 0 # llvm/src/llvm/test/tools/llvm-objdump/ARM/Inputs/debug.c:1:0
.cfi_sections .debug_frame
.cfi_startproc
# %bb.0: # %entry
#DEBUG_VALUE: foo:a <- $x3
#DEBUG_VALUE: foo:a <- $r3
#DEBUG_VALUE: foo:b <- $x4
#DEBUG_VALUE: foo:b <- $x4
#DEBUG_VALUE: foo:b <- $r4
#DEBUG_VALUE: foo:c <- $x5
#DEBUG_VALUE: foo:c <- $x5
#DEBUG_VALUE: foo:c <- $r5
.loc 1 2 13 prologue_end # llvm/src/llvm/test/tools/llvm-objdump/ARM/Inputs/debug.c:2:13
add 3, 4, 3
.Ltmp0:
#DEBUG_VALUE: foo:x <- $r3
.loc 1 3 13 # llvm/src/llvm/test/tools/llvm-objdump/ARM/Inputs/debug.c:3:13
add 3, 3, 5
.Ltmp1:
#DEBUG_VALUE: foo:y <- $r3
.loc 1 4 3 # llvm/src/llvm/test/tools/llvm-objdump/ARM/Inputs/debug.c:4:3
extsw 3, 3
.Ltmp2:
blr
.Ltmp3:
.long 0
.quad 0
.Lfunc_end0:
.size foo, .Lfunc_end0-.Lfunc_begin0
.cfi_endproc
# -- End function
.globl bar # -- Begin function bar
.p2align 2
.type bar,@function
.section .opd,"aw",@progbits
bar: # @bar
.p2align 3
.quad .Lfunc_begin1
.quad .TOC.@tocbase
.quad 0
.text
.Lfunc_begin1:
.loc 1 7 0 # llvm/src/llvm/test/tools/llvm-objdump/ARM/Inputs/debug.c:7:0
.cfi_startproc
# %bb.0: # %entry
#DEBUG_VALUE: bar:a <- $x3
#DEBUG_VALUE: bar:a <- $r3
.loc 1 8 4 prologue_end # llvm/src/llvm/test/tools/llvm-objdump/ARM/Inputs/debug.c:8:4
addi 3, 3, 1
.Ltmp4:
#DEBUG_VALUE: bar:a <- $r3
.loc 1 9 3 # llvm/src/llvm/test/tools/llvm-objdump/ARM/Inputs/debug.c:9:3
extsw 3, 3
.Ltmp5:
blr
.Ltmp6:
.long 0
.quad 0
.Lfunc_end1:
.size bar, .Lfunc_end1-.Lfunc_begin1
.cfi_endproc
# -- End function
.section .debug_str,"MS",@progbits,1
.Linfo_string0:
.asciz "clang version 10.0.0 ([email protected]:llvm/llvm-project.git e73f78acd34360f7450b81167d9dc858ccddc262)" # string offset=0
.Linfo_string1:
.asciz "/work/llvm/src/llvm/test/tools/llvm-objdump/ARM/Inputs/debug.c" # string offset=101
.Linfo_string2:
.asciz "/work/scratch" # string offset=164
.Linfo_string3:
.asciz "foo" # string offset=178
.Linfo_string4:
.asciz "int" # string offset=182
.Linfo_string5:
.asciz "bar" # string offset=186
.Linfo_string6:
.asciz "a" # string offset=190
.Linfo_string7:
.asciz "b" # string offset=192
.Linfo_string8:
.asciz "c" # string offset=194
.Linfo_string9:
.asciz "x" # string offset=196
.Linfo_string10:
.asciz "y" # string offset=198
.section .debug_loc,"",@progbits
.Ldebug_loc0:
.quad .Lfunc_begin0-.Lfunc_begin0
.quad .Ltmp0-.Lfunc_begin0
.short 3 # Loc expr size
.byte 144 # super-register DW_OP_regx
.byte 179 # 1203
.byte 9 #
.quad 0
.quad 0
.Ldebug_loc1:
.quad .Ltmp0-.Lfunc_begin0
.quad .Ltmp1-.Lfunc_begin0
.short 3 # Loc expr size
.byte 144 # super-register DW_OP_regx
.byte 179 # 1203
.byte 9 #
.quad 0
.quad 0
.Ldebug_loc2:
.quad .Ltmp1-.Lfunc_begin0
.quad .Ltmp2-.Lfunc_begin0
.short 3 # Loc expr size
.byte 144 # super-register DW_OP_regx
.byte 179 # 1203
.byte 9 #
.quad 0
.quad 0
.Ldebug_loc3:
.quad .Lfunc_begin1-.Lfunc_begin0
.quad .Ltmp5-.Lfunc_begin0
.short 3 # Loc expr size
.byte 144 # super-register DW_OP_regx
.byte 179 # 1203
.byte 9 #
.quad 0
.quad 0
.section .debug_abbrev,"",@progbits
.byte 1 # Abbreviation Code
.byte 17 # DW_TAG_compile_unit
.byte 1 # DW_CHILDREN_yes
.byte 37 # DW_AT_producer
.byte 14 # DW_FORM_strp
.byte 19 # DW_AT_language
.byte 5 # DW_FORM_data2
.byte 3 # DW_AT_name
.byte 14 # DW_FORM_strp
.byte 16 # DW_AT_stmt_list
.byte 23 # DW_FORM_sec_offset
.byte 27 # DW_AT_comp_dir
.byte 14 # DW_FORM_strp
.byte 17 # DW_AT_low_pc
.byte 1 # DW_FORM_addr
.byte 18 # DW_AT_high_pc
.byte 6 # DW_FORM_data4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 2 # Abbreviation Code
.byte 46 # DW_TAG_subprogram
.byte 1 # DW_CHILDREN_yes
.byte 17 # DW_AT_low_pc
.byte 1 # DW_FORM_addr
.byte 18 # DW_AT_high_pc
.byte 6 # DW_FORM_data4
.byte 64 # DW_AT_frame_base
.byte 24 # DW_FORM_exprloc
.ascii "\227B" # DW_AT_GNU_all_call_sites
.byte 25 # DW_FORM_flag_present
.byte 3 # DW_AT_name
.byte 14 # DW_FORM_strp
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 39 # DW_AT_prototyped
.byte 25 # DW_FORM_flag_present
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 63 # DW_AT_external
.byte 25 # DW_FORM_flag_present
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 3 # Abbreviation Code
.byte 5 # DW_TAG_formal_parameter
.byte 0 # DW_CHILDREN_no
.byte 2 # DW_AT_location
.byte 23 # DW_FORM_sec_offset
.byte 3 # DW_AT_name
.byte 14 # DW_FORM_strp
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 4 # Abbreviation Code
.byte 5 # DW_TAG_formal_parameter
.byte 0 # DW_CHILDREN_no
.byte 2 # DW_AT_location
.byte 24 # DW_FORM_exprloc
.byte 3 # DW_AT_name
.byte 14 # DW_FORM_strp
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 5 # Abbreviation Code
.byte 52 # DW_TAG_variable
.byte 0 # DW_CHILDREN_no
.byte 2 # DW_AT_location
.byte 23 # DW_FORM_sec_offset
.byte 3 # DW_AT_name
.byte 14 # DW_FORM_strp
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 6 # Abbreviation Code
.byte 36 # DW_TAG_base_type
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.byte 14 # DW_FORM_strp
.byte 62 # DW_AT_encoding
.byte 11 # DW_FORM_data1
.byte 11 # DW_AT_byte_size
.byte 11 # DW_FORM_data1
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 0 # EOM(3)
.section .debug_info,"",@progbits
.Lcu_begin0:
.long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit
.Ldebug_info_start0:
.short 4 # DWARF version number
.long .debug_abbrev # Offset Into Abbrev. Section
.byte 8 # Address Size (in bytes)
.byte 1 # Abbrev [1] 0xb:0xb5 DW_TAG_compile_unit
.long .Linfo_string0 # DW_AT_producer
.short 12 # DW_AT_language
.long .Linfo_string1 # DW_AT_name
.long .Lline_table_start0 # DW_AT_stmt_list
.long .Linfo_string2 # DW_AT_comp_dir
.quad .Lfunc_begin0 # DW_AT_low_pc
.long .Lfunc_end1-.Lfunc_begin0 # DW_AT_high_pc
.byte 2 # Abbrev [2] 0x2a:0x65 DW_TAG_subprogram
.quad .Lfunc_begin0 # DW_AT_low_pc
.long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
.byte 1 # DW_AT_frame_base
.byte 81
# DW_AT_GNU_all_call_sites
.long .Linfo_string3 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 1 # DW_AT_decl_line
# DW_AT_prototyped
.long 184 # DW_AT_type
# DW_AT_external
.byte 3 # Abbrev [3] 0x43:0xf DW_TAG_formal_parameter
.long .Ldebug_loc0 # DW_AT_location
.long .Linfo_string6 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 1 # DW_AT_decl_line
.long 184 # DW_AT_type
.byte 4 # Abbrev [4] 0x52:0xf DW_TAG_formal_parameter
.byte 3 # DW_AT_location
.byte 144
.ascii "\264\t"
.long .Linfo_string7 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 1 # DW_AT_decl_line
.long 184 # DW_AT_type
.byte 4 # Abbrev [4] 0x61:0xf DW_TAG_formal_parameter
.byte 3 # DW_AT_location
.byte 144
.ascii "\265\t"
.long .Linfo_string8 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 1 # DW_AT_decl_line
.long 184 # DW_AT_type
.byte 5 # Abbrev [5] 0x70:0xf DW_TAG_variable
.long .Ldebug_loc1 # DW_AT_location
.long .Linfo_string9 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 2 # DW_AT_decl_line
.long 184 # DW_AT_type
.byte 5 # Abbrev [5] 0x7f:0xf DW_TAG_variable
.long .Ldebug_loc2 # DW_AT_location
.long .Linfo_string10 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 3 # DW_AT_decl_line
.long 184 # DW_AT_type
.byte 0 # End Of Children Mark
.byte 2 # Abbrev [2] 0x8f:0x29 DW_TAG_subprogram
.quad .Lfunc_begin1 # DW_AT_low_pc
.long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc
.byte 1 # DW_AT_frame_base
.byte 81
# DW_AT_GNU_all_call_sites
.long .Linfo_string5 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 7 # DW_AT_decl_line
# DW_AT_prototyped
.long 184 # DW_AT_type
# DW_AT_external
.byte 3 # Abbrev [3] 0xa8:0xf DW_TAG_formal_parameter
.long .Ldebug_loc3 # DW_AT_location
.long .Linfo_string6 # DW_AT_name
.byte 1 # DW_AT_decl_file
.byte 7 # DW_AT_decl_line
.long 184 # DW_AT_type
.byte 0 # End Of Children Mark
.byte 6 # Abbrev [6] 0xb8:0x7 DW_TAG_base_type
.long .Linfo_string4 # DW_AT_name
.byte 5 # DW_AT_encoding
.byte 4 # DW_AT_byte_size
.byte 0 # End Of Children Mark
.Ldebug_info_end0:
.ident "clang version 10.0.0 ([email protected]:llvm/llvm-project.git e73f78acd34360f7450b81167d9dc858ccddc262)"
.section ".note.GNU-stack","",@progbits
.addrsig
.section .debug_line,"",@progbits
.Lline_table_start0:
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