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