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|
# REQUIRES: bpf-registered-target
## Verify that when llvm-objdump uses .BTF.ext to show CO-RE
## relocations formatting options operate as expected.
# RUN: llvm-mc --triple bpfel %s --filetype=obj | \
# RUN: llvm-objdump --no-addresses --no-show-raw-insn -dr - | \
# RUN: FileCheck --strict-whitespace --check-prefix=NOADDR %s
# RUN: llvm-mc --triple bpfel %s --filetype=obj | \
# RUN: llvm-objdump --no-addresses --no-show-raw-insn -d - | \
# RUN: FileCheck --strict-whitespace --check-prefix=NORELO %s
# RUN: llvm-mc --triple bpfel %s --filetype=obj | \
# RUN: llvm-objdump --no-show-raw-insn -dr - | \
# RUN: FileCheck --strict-whitespace --check-prefix=ADDR %s
# RUN: llvm-mc --triple bpfel %s --filetype=obj | \
# RUN: llvm-objdump --adjust-vma=0x10 --no-show-raw-insn -dr - | \
# RUN: FileCheck --strict-whitespace --check-prefix=VMA %s
## Input generated from the following C code:
##
## #define __pai __attribute__((preserve_access_index))
## struct foo {
## int a;
## } __pai;
## enum bar { U, V };
## extern void consume(unsigned long);
## void root() {
## asm volatile("r0 = 42;":::);
## struct foo *foo = 0;
## consume(__builtin_preserve_type_info(*foo, 0));
## consume((unsigned long) &foo->a);
## consume(__builtin_preserve_enum_value(*(enum bar *)U, 0));
## }
##
## Using the following command:
##
## clang -target bpf -g -O2 -S t.c
# NOADDR: r1 = 0x1
# NOADDR-NEXT: CO-RE <type_exists> [3] struct foo
# NOADDR-NEXT: call -0x1
# NOADDR-NEXT: R_BPF_64_32 consume
# NOADDR-NEXT: r1 = 0x0
# NOADDR-NEXT: CO-RE <byte_off> [3] struct foo::a (0:0)
# NOADDR-NEXT: call -0x1
# NOADDR-NEXT: R_BPF_64_32 consume
# NOADDR-NEXT: r1 = 0x1 ll
# NOADDR-NEXT: CO-RE <enumval_exists> [8] enum bar::U = 0
# NOADDR-NEXT: call -0x1
# NOADDR-NEXT: R_BPF_64_32 consume
# NOADDR-NEXT: exit
# NORELO: r1 = 0x1
# NORELO-NEXT: call -0x1
# NORELO-NEXT: r1 = 0x0
# NORELO-NEXT: call -0x1
# NORELO-NEXT: r1 = 0x1 ll
# NORELO-NEXT: call -0x1
# NORELO-NEXT: exit
# ADDR: 1: r1 = 0x1
# ADDR-NEXT: 0000000000000008: CO-RE <type_exists> [3] struct foo
# ADDR-NEXT: 2: call -0x1
# ADDR-NEXT: 0000000000000010: R_BPF_64_32 consume
# ADDR-NEXT: 3: r1 = 0x0
# ADDR-NEXT: 0000000000000018: CO-RE <byte_off> [3] struct foo::a (0:0)
# ADDR-NEXT: 4: call -0x1
# ADDR-NEXT: 0000000000000020: R_BPF_64_32 consume
# ADDR-NEXT: 5: r1 = 0x1 ll
# ADDR-NEXT: 0000000000000028: CO-RE <enumval_exists> [8] enum bar::U = 0
# ADDR-NEXT: 7: call -0x1
# ADDR-NEXT: 0000000000000038: R_BPF_64_32 consume
# ADDR-NEXT: 8: exit
# VMA: 3: r1 = 0x1
# VMA-NEXT: 0000000000000018: CO-RE <type_exists> [3] struct foo
# VMA-NEXT: 4: call -0x1
# VMA-NEXT: 0000000000000010: R_BPF_64_32 consume
# VMA-NEXT: 5: r1 = 0x0
# VMA-NEXT: 0000000000000028: CO-RE <byte_off> [3] struct foo::a (0:0)
# VMA-NEXT: 6: call -0x1
# VMA-NEXT: 0000000000000020: R_BPF_64_32 consume
# VMA-NEXT: 7: r1 = 0x1 ll
# VMA-NEXT: 0000000000000038: CO-RE <enumval_exists> [8] enum bar::U = 0
# VMA-NEXT: 9: call -0x1
# VMA-NEXT: 0000000000000038: R_BPF_64_32 consume
# VMA-NEXT: 10: exit
.text
.file "t.c"
.file 0 "/home/eddy/work/tmp" "t.c" md5 0x7675be79a30f35c69b89cf826ff55a5f
.globl root # -- Begin function root
.p2align 3
.type root,@function
root: # @root
.Lfunc_begin0:
.cfi_sections .debug_frame
.cfi_startproc
# %bb.0: # %entry
.loc 0 8 3 prologue_end # t.c:8:3
.Ltmp0:
#APP
r0 = 42
#NO_APP
.Ltmp1:
.Ltmp2:
#DEBUG_VALUE: root:foo <- 0
.loc 0 10 3 # t.c:10:3
.Ltmp3:
.Ltmp4:
r1 = 1
call consume
.Ltmp5:
.loc 0 11 3 # t.c:11:3
.Ltmp6:
.Ltmp7:
r1 = 0
call consume
.Ltmp8:
.loc 0 12 3 # t.c:12:3
.Ltmp9:
.Ltmp10:
r1 = 1 ll
call consume
.Ltmp11:
.loc 0 13 1 # t.c:13:1
.Ltmp12:
exit
.Ltmp13:
.Ltmp14:
.Lfunc_end0:
.size root, .Lfunc_end0-root
.cfi_endproc
# -- End function
.section .debug_loclists,"",@progbits
.long .Ldebug_list_header_end0-.Ldebug_list_header_start0 # Length
.Ldebug_list_header_start0:
.short 5 # Version
.byte 8 # Address size
.byte 0 # Segment selector size
.long 1 # Offset entry count
.Lloclists_table_base0:
.long .Ldebug_loc0-.Lloclists_table_base0
.Ldebug_loc0:
.byte 4 # DW_LLE_offset_pair
.uleb128 .Ltmp1-.Lfunc_begin0 # starting offset
.uleb128 .Lfunc_end0-.Lfunc_begin0 # ending offset
.byte 2 # Loc expr size
.byte 48 # DW_OP_lit0
.byte 159 # DW_OP_stack_value
.byte 0 # DW_LLE_end_of_list
.Ldebug_list_header_end0:
.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 37 # DW_FORM_strx1
.byte 19 # DW_AT_language
.byte 5 # DW_FORM_data2
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 114 # DW_AT_str_offsets_base
.byte 23 # DW_FORM_sec_offset
.byte 16 # DW_AT_stmt_list
.byte 23 # DW_FORM_sec_offset
.byte 27 # DW_AT_comp_dir
.byte 37 # DW_FORM_strx1
.byte 17 # DW_AT_low_pc
.byte 27 # DW_FORM_addrx
.byte 18 # DW_AT_high_pc
.byte 6 # DW_FORM_data4
.byte 115 # DW_AT_addr_base
.byte 23 # DW_FORM_sec_offset
.ascii "\214\001" # DW_AT_loclists_base
.byte 23 # DW_FORM_sec_offset
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 2 # Abbreviation Code
.byte 4 # DW_TAG_enumeration_type
.byte 1 # DW_CHILDREN_yes
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 11 # DW_AT_byte_size
.byte 11 # DW_FORM_data1
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 3 # Abbreviation Code
.byte 40 # DW_TAG_enumerator
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 28 # DW_AT_const_value
.byte 15 # DW_FORM_udata
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 4 # Abbreviation Code
.byte 36 # DW_TAG_base_type
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.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 5 # Abbreviation Code
.byte 46 # DW_TAG_subprogram
.byte 1 # DW_CHILDREN_yes
.byte 17 # DW_AT_low_pc
.byte 27 # DW_FORM_addrx
.byte 18 # DW_AT_high_pc
.byte 6 # DW_FORM_data4
.byte 64 # DW_AT_frame_base
.byte 24 # DW_FORM_exprloc
.byte 122 # DW_AT_call_all_calls
.byte 25 # DW_FORM_flag_present
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 63 # DW_AT_external
.byte 25 # DW_FORM_flag_present
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 6 # Abbreviation Code
.byte 52 # DW_TAG_variable
.byte 0 # DW_CHILDREN_no
.byte 2 # DW_AT_location
.byte 34 # DW_FORM_loclistx
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.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 7 # Abbreviation Code
.byte 72 # DW_TAG_call_site
.byte 0 # DW_CHILDREN_no
.byte 127 # DW_AT_call_origin
.byte 19 # DW_FORM_ref4
.byte 125 # DW_AT_call_return_pc
.byte 27 # DW_FORM_addrx
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 8 # Abbreviation Code
.byte 46 # DW_TAG_subprogram
.byte 1 # DW_CHILDREN_yes
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.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 60 # DW_AT_declaration
.byte 25 # DW_FORM_flag_present
.byte 63 # DW_AT_external
.byte 25 # DW_FORM_flag_present
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 9 # Abbreviation Code
.byte 5 # DW_TAG_formal_parameter
.byte 0 # DW_CHILDREN_no
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 10 # Abbreviation Code
.byte 15 # DW_TAG_pointer_type
.byte 0 # DW_CHILDREN_no
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 11 # Abbreviation Code
.byte 19 # DW_TAG_structure_type
.byte 1 # DW_CHILDREN_yes
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 11 # DW_AT_byte_size
.byte 11 # DW_FORM_data1
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 12 # Abbreviation Code
.byte 13 # DW_TAG_member
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.byte 37 # DW_FORM_strx1
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 58 # DW_AT_decl_file
.byte 11 # DW_FORM_data1
.byte 59 # DW_AT_decl_line
.byte 11 # DW_FORM_data1
.byte 56 # DW_AT_data_member_location
.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 5 # DWARF version number
.byte 1 # DWARF Unit Type
.byte 8 # Address Size (in bytes)
.long .debug_abbrev # Offset Into Abbrev. Section
.byte 1 # Abbrev [1] 0xc:0x7d DW_TAG_compile_unit
.byte 0 # DW_AT_producer
.short 29 # DW_AT_language
.byte 1 # DW_AT_name
.long .Lstr_offsets_base0 # DW_AT_str_offsets_base
.long .Lline_table_start0 # DW_AT_stmt_list
.byte 2 # DW_AT_comp_dir
.byte 0 # DW_AT_low_pc
.long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
.long .Laddr_table_base0 # DW_AT_addr_base
.long .Lloclists_table_base0 # DW_AT_loclists_base
.byte 2 # Abbrev [2] 0x27:0x10 DW_TAG_enumeration_type
.long 55 # DW_AT_type
.byte 6 # DW_AT_name
.byte 4 # DW_AT_byte_size
.byte 0 # DW_AT_decl_file
.byte 5 # DW_AT_decl_line
.byte 3 # Abbrev [3] 0x30:0x3 DW_TAG_enumerator
.byte 4 # DW_AT_name
.byte 0 # DW_AT_const_value
.byte 3 # Abbrev [3] 0x33:0x3 DW_TAG_enumerator
.byte 5 # DW_AT_name
.byte 1 # DW_AT_const_value
.byte 0 # End Of Children Mark
.byte 4 # Abbrev [4] 0x37:0x4 DW_TAG_base_type
.byte 3 # DW_AT_name
.byte 7 # DW_AT_encoding
.byte 4 # DW_AT_byte_size
.byte 4 # Abbrev [4] 0x3b:0x4 DW_TAG_base_type
.byte 7 # DW_AT_name
.byte 7 # DW_AT_encoding
.byte 8 # DW_AT_byte_size
.byte 5 # Abbrev [5] 0x3f:0x27 DW_TAG_subprogram
.byte 0 # DW_AT_low_pc
.long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
.byte 1 # DW_AT_frame_base
.byte 90
# DW_AT_call_all_calls
.byte 9 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 7 # DW_AT_decl_line
# DW_AT_external
.byte 6 # Abbrev [6] 0x4a:0x9 DW_TAG_variable
.byte 0 # DW_AT_location
.byte 10 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 9 # DW_AT_decl_line
.long 112 # DW_AT_type
.byte 7 # Abbrev [7] 0x53:0x6 DW_TAG_call_site
.long 102 # DW_AT_call_origin
.byte 1 # DW_AT_call_return_pc
.byte 7 # Abbrev [7] 0x59:0x6 DW_TAG_call_site
.long 102 # DW_AT_call_origin
.byte 2 # DW_AT_call_return_pc
.byte 7 # Abbrev [7] 0x5f:0x6 DW_TAG_call_site
.long 102 # DW_AT_call_origin
.byte 3 # DW_AT_call_return_pc
.byte 0 # End Of Children Mark
.byte 8 # Abbrev [8] 0x66:0xa DW_TAG_subprogram
.byte 8 # DW_AT_name
.byte 0 # DW_AT_decl_file
.byte 6 # DW_AT_decl_line
# DW_AT_prototyped
# DW_AT_declaration
# DW_AT_external
.byte 9 # Abbrev [9] 0x6a:0x5 DW_TAG_formal_parameter
.long 59 # DW_AT_type
.byte 0 # End Of Children Mark
.byte 10 # Abbrev [10] 0x70:0x5 DW_TAG_pointer_type
.long 117 # DW_AT_type
.byte 11 # Abbrev [11] 0x75:0xf DW_TAG_structure_type
.byte 10 # DW_AT_name
.byte 4 # DW_AT_byte_size
.byte 0 # DW_AT_decl_file
.byte 2 # DW_AT_decl_line
.byte 12 # Abbrev [12] 0x7a:0x9 DW_TAG_member
.byte 11 # DW_AT_name
.long 132 # DW_AT_type
.byte 0 # DW_AT_decl_file
.byte 3 # DW_AT_decl_line
.byte 0 # DW_AT_data_member_location
.byte 0 # End Of Children Mark
.byte 4 # Abbrev [4] 0x84:0x4 DW_TAG_base_type
.byte 12 # DW_AT_name
.byte 5 # DW_AT_encoding
.byte 4 # DW_AT_byte_size
.byte 0 # End Of Children Mark
.Ldebug_info_end0:
.section .debug_str_offsets,"",@progbits
.long 56 # Length of String Offsets Set
.short 5
.short 0
.Lstr_offsets_base0:
.section .debug_str,"MS",@progbits,1
.Linfo_string0:
.asciz "clang version 17.0.0 (/home/eddy/work/llvm-project/clang 76d673bb89f8ec8cf65a4294a98a83c9d6646b11)" # string offset=0
.Linfo_string1:
.asciz "t.c" # string offset=99
.Linfo_string2:
.asciz "/home/eddy/work/tmp" # string offset=103
.Linfo_string3:
.asciz "unsigned int" # string offset=123
.Linfo_string4:
.asciz "U" # string offset=136
.Linfo_string5:
.asciz "V" # string offset=138
.Linfo_string6:
.asciz "bar" # string offset=140
.Linfo_string7:
.asciz "unsigned long" # string offset=144
.Linfo_string8:
.asciz "consume" # string offset=158
.Linfo_string9:
.asciz "root" # string offset=166
.Linfo_string10:
.asciz "foo" # string offset=171
.Linfo_string11:
.asciz "a" # string offset=175
.Linfo_string12:
.asciz "int" # string offset=177
.section .debug_str_offsets,"",@progbits
.long .Linfo_string0
.long .Linfo_string1
.long .Linfo_string2
.long .Linfo_string3
.long .Linfo_string4
.long .Linfo_string5
.long .Linfo_string6
.long .Linfo_string7
.long .Linfo_string8
.long .Linfo_string9
.long .Linfo_string10
.long .Linfo_string11
.long .Linfo_string12
.section .debug_addr,"",@progbits
.long .Ldebug_addr_end0-.Ldebug_addr_start0 # Length of contribution
.Ldebug_addr_start0:
.short 5 # DWARF version number
.byte 8 # Address size
.byte 0 # Segment selector size
.Laddr_table_base0:
.quad .Lfunc_begin0
.quad .Ltmp5
.quad .Ltmp8
.quad .Ltmp11
.Ldebug_addr_end0:
.section .BTF,"",@progbits
.short 60319 # 0xeb9f
.byte 1
.byte 0
.long 24
.long 0
.long 140
.long 140
.long 262
.long 0 # BTF_KIND_FUNC_PROTO(id = 1)
.long 218103808 # 0xd000000
.long 0
.long 1 # BTF_KIND_FUNC(id = 2)
.long 201326593 # 0xc000001
.long 1
.long 67 # BTF_KIND_STRUCT(id = 3)
.long 67108865 # 0x4000001
.long 4
.long 71
.long 4
.long 0 # 0x0
.long 73 # BTF_KIND_INT(id = 4)
.long 16777216 # 0x1000000
.long 4
.long 16777248 # 0x1000020
.long 0 # BTF_KIND_FUNC_PROTO(id = 5)
.long 218103809 # 0xd000001
.long 0
.long 0
.long 6
.long 129 # BTF_KIND_INT(id = 6)
.long 16777216 # 0x1000000
.long 8
.long 64 # 0x40
.long 143 # BTF_KIND_FUNC(id = 7)
.long 201326594 # 0xc000002
.long 5
.long 191 # BTF_KIND_ENUM(id = 8)
.long 100663298 # 0x6000002
.long 4
.long 195
.long 0
.long 197
.long 1
.byte 0 # string offset=0
.ascii "root" # string offset=1
.byte 0
.ascii ".text" # string offset=6
.byte 0
.ascii "/home/eddy/work/tmp/t.c" # string offset=12
.byte 0
.ascii " asm volatile(\"r0 = 42;\":::);" # string offset=36
.byte 0
.ascii "foo" # string offset=67
.byte 0
.byte 97 # string offset=71
.byte 0
.ascii "int" # string offset=73
.byte 0
.byte 48 # string offset=77
.byte 0
.ascii " consume(__builtin_preserve_type_info(*foo, 0));" # string offset=79
.byte 0
.ascii "unsigned long" # string offset=129
.byte 0
.ascii "consume" # string offset=143
.byte 0
.ascii "0:0" # string offset=151
.byte 0
.ascii " consume((unsigned long) &foo->a);" # string offset=155
.byte 0
.ascii "bar" # string offset=191
.byte 0
.byte 85 # string offset=195
.byte 0
.byte 86 # string offset=197
.byte 0
.ascii " consume(__builtin_preserve_enum_value(*(enum bar *)U, 0));" # string offset=199
.byte 0
.byte 125 # string offset=260
.byte 0
.section .BTF.ext,"",@progbits
.short 60319 # 0xeb9f
.byte 1
.byte 0
.long 32
.long 0
.long 20
.long 20
.long 92
.long 112
.long 60
.long 8 # FuncInfo
.long 6 # FuncInfo section string offset=6
.long 1
.long .Lfunc_begin0
.long 2
.long 16 # LineInfo
.long 6 # LineInfo section string offset=6
.long 5
.long .Ltmp0
.long 12
.long 36
.long 8195 # Line 8 Col 3
.long .Ltmp4
.long 12
.long 79
.long 10243 # Line 10 Col 3
.long .Ltmp7
.long 12
.long 155
.long 11267 # Line 11 Col 3
.long .Ltmp10
.long 12
.long 199
.long 12291 # Line 12 Col 3
.long .Ltmp12
.long 12
.long 260
.long 13313 # Line 13 Col 1
.long 16 # FieldReloc
.long 6 # Field reloc section string offset=6
.long 3
.long .Ltmp3
.long 3
.long 77
.long 8
.long .Ltmp6
.long 3
.long 151
.long 0
.long .Ltmp9
.long 8
.long 77
.long 10
.addrsig
.section .debug_line,"",@progbits
.Lline_table_start0:
|
