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95cefc8ba1
This adds a copy of the demangler in libcxxabi.
The code also has no dependencies on anything else in LLVM. To enforce
that I added it as another library. That way a BUILD_SHARED_LIBS will
fail if anyone adds an use of StringRef for example.
The no llvm dependency combined with the fact that this has to build
on linux, OS X and Windows required a few changes to the code. In
particular:
No constexpr.
No alignas
On OS X at least this library has only one global symbol:
__ZN4llvm16itanium_demangleEPKcPcPmPi
My current plan is:
Commit something like this
Change lld to use it
Change lldb to use it as the fallback
Add a few #ifdefs so that exactly the same file can be used in
libcxxabi to export abi::__cxa_demangle.
Once the fast demangler in lldb can handle any names this
implementation can be replaced with it and we will have the one true
demangler.
llvm-svn: 280732
45 lines
3.5 KiB
Plaintext
45 lines
3.5 KiB
Plaintext
// RUN: llvm-objdump -d -m -no-show-raw-insn -full-leading-addr -print-imm-hex %p/Inputs/hello.obj.macho-x86_64 | FileCheck %s -check-prefix=OBJ
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// RUN: llvm-objdump -d -m -no-show-raw-insn -full-leading-addr -print-imm-hex %p/Inputs/hello.exe.macho-x86_64 | FileCheck %s -check-prefix=EXE
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// RUN: llvm-objdump -d -m -no-show-raw-insn -full-leading-addr -print-imm-hex %p/Inputs/ObjC.obj.macho-x86_64 | FileCheck %s -check-prefix=ObjC-OBJ
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// RUN: llvm-objdump -d -m -no-show-raw-insn -full-leading-addr -print-imm-hex %p/Inputs/ObjC.exe.macho-x86_64 | FileCheck %s -check-prefix=ObjC-EXE
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// RUN: llvm-objdump -d -m -no-show-raw-insn -full-leading-addr -print-imm-hex %p/Inputs/hello_cpp.exe.macho-x86_64 | FileCheck %s -check-prefix=CXX-EXE
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// RUN: llvm-objdump -d -m -no-show-raw-insn -full-leading-addr -print-imm-hex %p/Inputs/hello.obj.macho-i386 | FileCheck %s -check-prefix=i386-OBJ
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// RUN: llvm-objdump -d -m -no-show-raw-insn -full-leading-addr -print-imm-hex %p/Inputs/hello.exe.macho-i386 | FileCheck %s -check-prefix=i386-EXE
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// RUN: llvm-objdump -d -m -no-show-raw-insn -full-leading-addr -print-imm-hex -no-symbolic-operands %p/Inputs/hello.obj.macho-x86_64 | FileCheck %s -check-prefix=NO-SYM-OPS-OBJ
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// RUN: llvm-objdump -d -m -no-show-raw-insn -full-leading-addr -print-imm-hex -no-symbolic-operands %p/Inputs/hello.exe.macho-x86_64 | FileCheck %s -check-prefix=NO-SYM-OPS-EXE
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OBJ: 0000000000000008 leaq L_.str(%rip), %rax ## literal pool for: "Hello world\n"
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OBJ: 0000000000000026 callq _printf
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EXE: 0000000100000f38 leaq 0x4f(%rip), %rax ## literal pool for: "Hello world\n"
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EXE: 0000000100000f56 callq 0x100000f6c ## symbol stub for: _printf
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ObjC-OBJ: 0000000000000008 leaq 0xb1(%rip), %rax ## Objc cfstring ref: @"The current date and time is: %@"
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ObjC-OBJ: 0000000000000016 movq 0x4b(%rip), %rcx ## Objc class ref: NSObject
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ObjC-OBJ: 000000000000001d movq 0x64(%rip), %rsi ## Objc selector ref: new
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ObjC-OBJ: 0000000000000034 movq 0x35(%rip), %rax ## Objc class ref: NSDate
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ObjC-OBJ: 000000000000003b movq 0x4e(%rip), %rsi ## Objc selector ref: date
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ObjC-EXE: 0000000100000ee8 leaq 0x159(%rip), %rax ## Objc cfstring ref: @"The current date and time is: %@"
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ObjC-EXE: 0000000100000ef6 movq 0x13b(%rip), %rcx ## Objc class ref: _OBJC_CLASS_$_NSObject
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ObjC-EXE: 0000000100000efd movq 0x124(%rip), %rsi ## Objc selector ref: new
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ObjC-EXE: 0000000100000f0b callq 0x100000f4a ## Objc message: +[NSObject new]
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ObjC-EXE: 0000000100000f14 movq 0x125(%rip), %rax ## Objc class ref: _OBJC_CLASS_$_NSDate
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ObjC-EXE: 0000000100000f1b movq 0x10e(%rip), %rsi ## Objc selector ref: date
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ObjC-EXE: 0000000100000f25 callq 0x100000f4a ## Objc message: +[NSDate date]
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ObjC-EXE: 0000000100000f33 callq 0x100000f44 ## symbol stub for: _NSLog
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CXX-EXE: 00000001000014cb callq __ZNSt3__116__pad_and_outputIcNS_11char_traitsIcEEEENS_19ostreambuf_iteratorIT_T0_EES6_PKS4_S8_S8_RNS_8ios_baseES4_ ## std::__1::ostreambuf_iterator<char, std::__1::char_traits<char> > std::__1::__pad_and_output<char, std::__1::char_traits<char> >(std::__1::ostreambuf_iterator<char, std::__1::char_traits<char> >, char const*, char const*, char const*, std::__1::ios_base&, char)
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i386-OBJ: 0000002f calll _printf
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i386-EXE: 00001f6f calll 0x1f84 ## symbol stub for: _printf
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NO-SYM-OPS-OBJ: 0000000000000008 leaq (%rip), %rax
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NO-SYM-OPS-OBJ: 0000000000000026 callq 0x2b
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NO-SYM-OPS-EXE: 0000000100000f38 leaq 0x4f(%rip), %rax
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NO-SYM-OPS-EXE: 0000000100000f56 callq 0x100000f6c
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