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3d2508df1f
``` // llvm-objdump -d output (before) 400000: e8 0b 00 00 00 callq 11 400005: e8 0b 00 00 00 callq 11 // llvm-objdump -d output (after) 400000: e8 0b 00 00 00 callq 0x400010 400005: e8 0b 00 00 00 callq 0x400015 // GNU objdump -d. The lack of 0x is not ideal because the result cannot be re-assembled 400000: e8 0b 00 00 00 callq 400010 400005: e8 0b 00 00 00 callq 400015 ``` In llvm-objdump, we pass the address of the next MCInst. Ideally we should just thread the address of the current address, unfortunately we cannot call X86MCCodeEmitter::encodeInstruction (X86MCCodeEmitter requires MCInstrInfo and MCContext) to get the length of the MCInst. MCInstPrinter::printInst has other callers (e.g llvm-mc -filetype=asm, llvm-mca) which set Address to 0. They leave MCInstPrinter::PrintBranchImmAsAddress as false and this change is a no-op for them. Reviewed By: jhenderson Differential Revision: https://reviews.llvm.org/D76580
190 lines
6.1 KiB
ArmAsm
190 lines
6.1 KiB
ArmAsm
# RUN: llvm-mc %s -triple=i686-pc-win32 -filetype=obj -o %t.obj
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# RUN: llvm-objdump -d %t.obj | FileCheck %s --check-prefix=ASM
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# RUN: llvm-pdbutil dump -il -symbols %t.obj | FileCheck %s --check-prefix=CODEVIEW
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# Original source, slightly modified with an extra .cv_loc directive (at EXTRA
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# below) that was causing assertions:
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#
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# void __declspec(noreturn) __declspec(dllimport) exit(int);
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# int unlikely();
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# static inline void do_exit() {
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# if (unlikely()) {
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# exit(32);
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# }
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# }
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# void callit() {
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# do_exit();
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# }
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# ASM: 00000000 <_callit>:
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# begin inline {
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# ASM-NEXT: 0: e8 00 00 00 00 calll 0x5 <_callit+0x5>
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# ASM-NEXT: 5: 85 c0 testl %eax, %eax
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# ASM-NEXT: 7: 75 01 jne 0xa <_callit+0xa>
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# } end inline
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# ASM-NEXT: 9: c3 retl
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# begin inline {
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# ASM-NEXT: a: 6a 20 pushl $32
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# ASM-NEXT: c: ff 15 00 00 00 00 calll *0
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# } end inline
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# CODEVIEW: Inlinee | Line | Source File
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# CODEVIEW: 0x1002 | 3 | C:\src\llvm-project\build\t.cpp (MD5: 0BC092F354CE14FDC2FA78F8EDE7426E)
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# CODEVIEW: S_INLINESITE [size = 26]
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# CODEVIEW-NEXT: inlinee = 0x1002 (do_exit), parent = 0, end = 0
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# CODEVIEW-NEXT: 0602 line 1 (+1)
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# CODEVIEW-NEXT: 0409 code end 0x9 (+0x9)
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# CODEVIEW-NEXT: 0B21 code 0xA (+0x1) line 2 (+1)
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# CODEVIEW-NEXT: 0B28 code 0x12 (+0x8) line 3 (+1)
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# CODEVIEW-NEXT: 0400 code end 0x12 (+0x0)
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.text
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.def _callit; .scl 2; .type 32; .endef
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.globl _callit # -- Begin function callit
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_callit: # @callit
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Lfunc_begin0:
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.cv_func_id 0
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.cv_fpo_proc _callit 0
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# %bb.0: # %entry
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.cv_file 1 "C:\\src\\llvm-project\\build\\t.cpp" "0BC092F354CE14FDC2FA78F8EDE7426E" 1
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.cv_inline_site_id 1 within 0 inlined_at 1 9 0
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.cv_loc 1 1 4 0 is_stmt 0 # t.cpp:4:0
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calll _unlikely
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testl %eax, %eax
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jne LBB0_1
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Ltmp0:
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# %bb.2: # %do_exit.exit
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.cv_loc 0 1 10 0 # t.cpp:10:0
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retl
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LBB0_1: # %if.then.i
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Ltmp1:
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.cv_loc 1 1 5 0 # t.cpp:5:0
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pushl $32
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calll *__imp__exit
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# EXTRA
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.cv_loc 1 1 6 0 # t.cpp:6:0
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Ltmp2:
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.cv_fpo_endproc
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Lfunc_end0:
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# -- End function
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.section .debug$S,"dr"
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.p2align 2
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.long 4 # Debug section magic
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.long 241
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.long Ltmp4-Ltmp3 # Subsection size
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Ltmp3:
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.short Ltmp6-Ltmp5 # Record length
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Ltmp5:
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.short 4412 # Record kind: S_COMPILE3
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.long 0 # Flags and language
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.short 7 # CPUType
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.short 7 # Frontend version
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.short 0
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.short 0
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.short 0
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.short 7000 # Backend version
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.short 0
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.short 0
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.short 0
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.asciz "clang version 7.0.0 " # Null-terminated compiler version string
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Ltmp6:
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Ltmp4:
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.p2align 2
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.long 246 # Inlinee lines subsection
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.long Ltmp8-Ltmp7 # Subsection size
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Ltmp7:
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.long 0 # Inlinee lines signature
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# Inlined function do_exit starts at t.cpp:3
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.long 4098 # Type index of inlined function
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.cv_filechecksumoffset 1 # Offset into filechecksum table
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.long 3 # Starting line number
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Ltmp8:
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.p2align 2
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.cv_fpo_data _callit
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.long 241 # Symbol subsection for callit
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.long Ltmp10-Ltmp9 # Subsection size
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Ltmp9:
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.short Ltmp12-Ltmp11 # Record length
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Ltmp11:
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.short 4423 # Record kind: S_GPROC32_ID
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.long 0 # PtrParent
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.long 0 # PtrEnd
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.long 0 # PtrNext
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.long Lfunc_end0-_callit # Code size
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.long 0 # Offset after prologue
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.long 0 # Offset before epilogue
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.long 4099 # Function type index
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.secrel32 _callit # Function section relative address
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.secidx _callit # Function section index
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.byte 0 # Flags
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.asciz "callit" # Function name
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Ltmp12:
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.short Ltmp14-Ltmp13 # Record length
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Ltmp13:
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.short 4429 # Record kind: S_INLINESITE
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.long 0 # PtrParent
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.long 0 # PtrEnd
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.long 4098 # Inlinee type index
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.cv_inline_linetable 1 1 3 Lfunc_begin0 Lfunc_end0
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Ltmp14:
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.short 2 # Record length
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.short 4430 # Record kind: S_INLINESITE_END
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.short 2 # Record length
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.short 4431 # Record kind: S_PROC_ID_END
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Ltmp10:
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.p2align 2
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.cv_linetable 0, _callit, Lfunc_end0
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.cv_filechecksums # File index to string table offset subsection
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.cv_stringtable # String table
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.section .debug$T,"dr"
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.p2align 2
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.long 4 # Debug section magic
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# ArgList (0x1000) {
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# TypeLeafKind: LF_ARGLIST (0x1201)
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# NumArgs: 0
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# Arguments [
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# ]
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# }
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.byte 0x06, 0x00, 0x01, 0x12
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.byte 0x00, 0x00, 0x00, 0x00
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# Procedure (0x1001) {
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# TypeLeafKind: LF_PROCEDURE (0x1008)
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# ReturnType: void (0x3)
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# CallingConvention: NearC (0x0)
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# FunctionOptions [ (0x0)
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# ]
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# NumParameters: 0
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# ArgListType: () (0x1000)
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# }
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.byte 0x0e, 0x00, 0x08, 0x10
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.byte 0x03, 0x00, 0x00, 0x00
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.byte 0x00, 0x00, 0x00, 0x00
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.byte 0x00, 0x10, 0x00, 0x00
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# FuncId (0x1002) {
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# TypeLeafKind: LF_FUNC_ID (0x1601)
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# ParentScope: 0x0
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# FunctionType: void () (0x1001)
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# Name: do_exit
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# }
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.byte 0x12, 0x00, 0x01, 0x16
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.byte 0x00, 0x00, 0x00, 0x00
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.byte 0x01, 0x10, 0x00, 0x00
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.byte 0x64, 0x6f, 0x5f, 0x65
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.byte 0x78, 0x69, 0x74, 0x00
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# FuncId (0x1003) {
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# TypeLeafKind: LF_FUNC_ID (0x1601)
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# ParentScope: 0x0
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# FunctionType: void () (0x1001)
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# Name: callit
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# }
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.byte 0x12, 0x00, 0x01, 0x16
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.byte 0x00, 0x00, 0x00, 0x00
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.byte 0x01, 0x10, 0x00, 0x00
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.byte 0x63, 0x61, 0x6c, 0x6c
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.byte 0x69, 0x74, 0x00, 0xf1
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