373 lines
15 KiB
ArmAsm
373 lines
15 KiB
ArmAsm
|
## 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 (git@github.com: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 (git@github.com:llvm/llvm-project.git e73f78acd34360f7450b81167d9dc858ccddc262)"
|
||
|
|
.section ".note.GNU-stack","",@progbits
|
||
|
|
.addrsig
|
||
|
|
.section .debug_line,"",@progbits
|
||
|
|
.Lline_table_start0:
|