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f067530e7a
llvm-dsymutil was misinterpreting the value of common symbols as their address when it actually contains their size. This didn't impact llvm-dsymutil's ability to link the debug information for common symbols because these are always found by name and not by address. Things could however go wrong when the size of a common object matched the object file address of another symbol. Depending on the link order of the symbols the common object might incorrectly evict this other object from the address to symbol mapping, and then link the evicted symbol with a wrong binary address. Use the new ability to have symbols without an object file address to fix this. llvm-svn: 259318
151 lines
6.8 KiB
Plaintext
151 lines
6.8 KiB
Plaintext
RUN: llvm-dsymutil -no-output -verbose -oso-prepend-path=%p %p/Inputs/basic.macho.x86_64 | FileCheck %s
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RUN: llvm-dsymutil -no-output -verbose -oso-prepend-path=%p %p/Inputs/basic-lto.macho.x86_64 | FileCheck %s --check-prefix=CHECK-LTO
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RUN: llvm-dsymutil -no-output -verbose -oso-prepend-path=%p %p/Inputs/basic-archive.macho.x86_64 | FileCheck %s --check-prefix=CHECK-ARCHIVE
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RUN: llvm-dsymutil -no-output -verbose -oso-prepend-path=%p %p/Inputs/basic.macho.x86_64 %p/Inputs/basic-lto.macho.x86_64 %p/Inputs/basic-archive.macho.x86_64 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-LTO --check-prefix=CHECK-ARCHIVE
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This test check the basic Dwarf linking process through the debug dumps.
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================================= Simple link ================================
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CHECK: DEBUG MAP OBJECT: {{.*}}basic1.macho.x86_64.o
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CHECK: Input compilation unit:
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CHECK-NEXT: TAG_compile_unit
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CHECK-NOT: TAG
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CHECK: AT_name {{.*}}basic1.c
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CHECK-NOT: Found valid debug map entry
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CHECK: Found valid debug map entry: _main 0000000000000000 => 0000000100000ea0
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CHECK-NEXT: DW_TAG_subprogram
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CHECK-NEXT: DW_AT_name{{.*}}"main"
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CHECK: DEBUG MAP OBJECT: {{.*}}basic2.macho.x86_64.o
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CHECK: Input compilation unit:
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CHECK-NEXT: TAG_compile_unit
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CHECK-NOT: TAG
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CHECK: AT_name {{.*}}basic2.c
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CHECK-NOT: Found valid debug map entry
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CHECK: Found valid debug map entry: _private_int 0000000000000560 => 0000000100001008
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CHECK-NEXT: DW_TAG_variable
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CHECK-NEXT: DW_AT_name {{.*}}"private_int"
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CHECK-NOT: Found valid debug map entry
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CHECK: Found valid debug map entry: _baz 0000000000000310 => 0000000100001000
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CHECK-NEXT: DW_TAG_variable
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CHECK-NEXT: DW_AT_name {{.*}}"baz"
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CHECK-NOT: Found valid debug map entry
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CHECK: Found valid debug map entry: _foo 0000000000000020 => 0000000100000ed0
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CHECK-NEXT: DW_TAG_subprogram
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CHECK-NEXT: DW_AT_name {{.*}}"foo"
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CHECK-NOT: Found valid debug map entry
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CHECK: Found valid debug map entry: _inc 0000000000000070 => 0000000100000f20
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CHECK-NEXT: DW_TAG_subprogram
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CHECK-NEXT: DW_AT_name {{.*}}"inc"
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CHECK: DEBUG MAP OBJECT: {{.*}}basic3.macho.x86_64.o
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CHECK: Input compilation unit:
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CHECK-NEXT: TAG_compile_unit
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CHECK-NOT: TAG
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CHECK: AT_name {{.*}}basic3.c
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CHECK-NOT: Found valid debug map entry
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CHECK: Found valid debug map entry: _val ffffffffffffffff => 0000000100001004
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CHECK-NEXT: DW_TAG_variable
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CHECK-NEXT: DW_AT_name {{.*}}"val"
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CHECK-NOT: Found valid debug map entry
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CHECK: Found valid debug map entry: _bar 0000000000000020 => 0000000100000f40
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CHECK-NEXT: DW_TAG_subprogram
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CHECK-NEXT: DW_AT_name {{.*}}"bar"
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CHECK-NOT: Found valid debug map entry
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CHECK: Found valid debug map entry: _inc 0000000000000070 => 0000000100000f90
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CHECK-NEXT: DW_TAG_subprogram
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CHECK-NEXT: DW_AT_name {{.*}}"inc")
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================================= LTO link ================================
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CHECK-LTO: DEBUG MAP OBJECT: {{.*}}basic-lto.macho.x86_64.o
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CHECK-LTO: Input compilation unit:
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CHECK-LTO-NEXT: TAG_compile_unit
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CHECK-LTO-NOT: TAG
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CHECK-LTO: AT_name {{.*}}basic1.c
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CHECK-LTO: Input compilation unit:
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CHECK-LTO-NEXT: TAG_compile_unit
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CHECK-LTO-NOT: TAG
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CHECK-LTO: AT_name {{.*}}basic2.c
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CHECK-LTO: Input compilation unit:
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CHECK-LTO-NEXT: TAG_compile_unit
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CHECK-LTO-NOT: TAG
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CHECK-LTO: AT_name {{.*}}basic3.c
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CHECK-LTO-NOT: Found valid debug map entry
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CHECK-LTO: Found valid debug map entry: _main 0000000000000000 => 0000000100000f40
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CHECK-LTO-NEXT: DW_TAG_subprogram
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CHECK-LTO-NEXT: DW_AT_name {{.*}}"main"
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CHECK-LTO-NOT: Found valid debug map entry
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CHECK-LTO: Found valid debug map entry: _private_int 00000000000008e8 => 0000000100001008
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CHECK-LTO-NEXT: DW_TAG_variable
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CHECK-LTO-NEXT: DW_AT_name {{.*}}"private_int"
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CHECK-LTO-NOT: Found valid debug map entry
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CHECK-LTO: Found valid debug map entry: _baz 0000000000000658 => 0000000100001000
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CHECK-LTO-NEXT: DW_TAG_variable
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CHECK-LTO-NEXT: DW_AT_name {{.*}} "baz"
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CHECK-LTO-NOT: Found valid debug map entry
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CHECK-LTO: Found valid debug map entry: _foo 0000000000000010 => 0000000100000f50
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CHECK-LTO-NEXT: DW_TAG_subprogram
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CHECK-LTO-NEXT: DW_AT_name {{.*}}"foo"
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CHECK-LTO-NOT: Found valid debug map entry
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CHECK-LTO: Found valid debug map entry: _val 00000000000008ec => 0000000100001004
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CHECK-LTO-NEXT: DW_TAG_variable
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CHECK-LTO-NEXT: DW_AT_name {{.*}}"val"
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CHECK-LTO-NOT: Found valid debug map entry
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CHECK-LTO: Found valid debug map entry: _bar 0000000000000050 => 0000000100000f90
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CHECK-LTO-NEXT: DW_TAG_subprogram
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CHECK-LTO-NEXT: DW_AT_name {{.*}}"bar"
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================================= Archive link ================================
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CHECK-ARCHIVE: DEBUG MAP OBJECT: {{.*}}basic1.macho.x86_64.o
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CHECK-ARCHIVE: Input compilation unit:
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CHECK-ARCHIVE-NEXT: TAG_compile_unit
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CHECK-ARCHIVE-NOT: TAG
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CHECK-ARCHIVE: AT_name {{.*}}basic1.c
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CHECK-ARCHIVE-NOT: Found valid debug map entry
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CHECK-ARCHIVE: Found valid debug map entry: _main 0000000000000000 => 0000000100000ea0
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CHECK-ARCHIVE-NEXT: DW_TAG_subprogram
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CHECK-ARCHIVE-NEXT: DW_AT_name{{.*}}"main"
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CHECK-ARCHIVE: DEBUG MAP OBJECT: {{.*}}libbasic.a(basic2.macho.x86_64.o)
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CHECK-ARCHIVE: Input compilation unit:
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CHECK-ARCHIVE-NEXT: TAG_compile_unit
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CHECK-ARCHIVE-NOT: TAG
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CHECK-ARCHIVE: AT_name {{.*}}basic2.c
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CHECK-ARCHIVE-NOT: Found valid debug map entry
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CHECK-ARCHIVE: Found valid debug map entry: _private_int 0000000000000560 => 0000000100001004
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CHECK-ARCHIVE-NEXT: DW_TAG_variable
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CHECK-ARCHIVE-NEXT: DW_AT_name {{.*}}"private_int"
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CHECK-ARCHIVE-NOT: Found valid debug map entry
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CHECK-ARCHIVE: Found valid debug map entry: _baz 0000000000000310 => 0000000100001000
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CHECK-ARCHIVE-NEXT: DW_TAG_variable
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CHECK-ARCHIVE-NEXT: DW_AT_name {{.*}}"baz"
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CHECK-ARCHIVE-NOT: Found valid debug map entry
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CHECK-ARCHIVE: Found valid debug map entry: _foo 0000000000000020 => 0000000100000ed0
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CHECK-ARCHIVE-NEXT: DW_TAG_subprogram
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CHECK-ARCHIVE-NEXT: DW_AT_name {{.*}}"foo"
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CHECK-ARCHIVE-NOT: Found valid debug map entry
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CHECK-ARCHIVE: Found valid debug map entry: _inc 0000000000000070 => 0000000100000f20
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CHECK-ARCHIVE-NEXT: DW_TAG_subprogram
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CHECK-ARCHIVE-NEXT: DW_AT_name {{.*}}"inc"
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CHECK-ARCHIVE: DEBUG MAP OBJECT: {{.*}}libbasic.a(basic3.macho.x86_64.o)
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CHECK-ARCHIVE: Input compilation unit:
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CHECK-ARCHIVE-NEXT: TAG_compile_unit
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CHECK-ARCHIVE-NOT: TAG
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CHECK-ARCHIVE: AT_name {{.*}}basic3.c
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CHECK-ARCHIVE-NOT: Found valid debug map entry
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CHECK-ARCHIVE: Found valid debug map entry: _val ffffffffffffffff => 0000000100001008
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CHECK-ARCHIVE-NEXT: DW_TAG_variable
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CHECK-ARCHIVE-NEXT: DW_AT_name {{.*}}"val"
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CHECK-ARCHIVE-NOT: Found valid debug map entry
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CHECK-ARCHIVE: Found valid debug map entry: _bar 0000000000000020 => 0000000100000f40
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CHECK-ARCHIVE-NEXT: DW_TAG_subprogram
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CHECK-ARCHIVE-NEXT: DW_AT_name {{.*}}"bar"
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CHECK-ARCHIVE-NOT: Found valid debug map entry
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CHECK-ARCHIVE: Found valid debug map entry: _inc 0000000000000070 => 0000000100000f90
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CHECK-ARCHIVE-NEXT: DW_TAG_subprogram
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CHECK-ARCHIVE-NEXT: DW_AT_name {{.*}}"inc")
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