mirror of
https://github.com/autc04/Retro68.git
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223 lines
5.7 KiB
C++
223 lines
5.7 KiB
C++
/* Copyright (C) 2021 Free Software Foundation, Inc.
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Contributed by Oracle.
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This file is part of GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#ifndef _DBE_FUNCTION_H
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#define _DBE_FUNCTION_H
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// A Function object represents an individual function in a .o file.
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#include "util.h"
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#include "Histable.h"
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#include "SourceFile.h"
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class Module;
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class Symbol;
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class InlinedSubr;
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struct SrcInfo;
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struct PCInfo;
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template <class ITEM> class Vector;
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const uint64_t FUNC_NO_SAVE = (uint64_t) - 1;
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const uint64_t FUNC_ROOT = (uint64_t) - 2;
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enum
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{
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FUNC_FLAG_PLT = 1,
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FUNC_FLAG_DYNAMIC = 2,
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FUNC_FLAG_RESDER = 4, // set if derived function resolution has been done
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FUNC_FLAG_NO_OFFSET = 8, // set if disassembly should not show offset from function
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FUNC_FLAG_SIMULATED = 16, // not a real function like <Total>, <Unknown>, etc.
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FUNC_FLAG_NATIVE = 32, // no byte code for JMethod
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FUNC_NOT_JNI = 64, // a function name is not "Java_..."
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FUNC_JNI_CHECKED = 128 // already checked for "Java_..."
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};
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const int MAXDBUF = 32768; // the longest demangled name handled
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class Function : public Histable
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{
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public:
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enum MPFuncTypes
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{
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MPF_DOALL,
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MPF_PAR,
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MPF_SECT,
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MPF_TASK,
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MPF_CLONE,
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MPF_OUTL
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};
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Function (uint64_t _id);
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virtual ~Function ();
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virtual uint64_t get_addr ();
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virtual char *get_name (NameFormat = NA);
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virtual Vector<Histable*> *get_comparable_objs ();
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virtual void set_name (char *); // Set the demangled name
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virtual Histable *convertto (Histable_type type, Histable *obj = NULL);
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virtual Histable_type
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get_type ()
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{
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return FUNCTION;
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};
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virtual int64_t
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get_size ()
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{
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return size;
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};
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void set_comparable_name (const char *string);
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void set_mangled_name (const char *string);
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void set_match_name (const char *string);
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// Find any derived functions, and set their derivedNode
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void findDerivedFunctions ();
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void findKrakatoaDerivedFunctions ();
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void add_PC_info (uint64_t offset, int lineno, SourceFile *cur_src = NULL);
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void pushSrcFile (SourceFile* source, int lineno);
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SourceFile *popSrcFile ();
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int func_cmp (Function *func, SourceFile *srcContext = NULL);
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void copy_PCInfo (Function *f);
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DbeLine *mapPCtoLine (uint64_t addr, SourceFile *src = NULL);
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DbeInstr *mapLineToPc (DbeLine *dbeLine);
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DbeInstr *find_dbeinstr (int flag, uint64_t addr);
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DbeInstr *create_hide_instr (DbeInstr *instr);
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uint64_t find_previous_addr (uint64_t addr);
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SourceFile *getDefSrc ();
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char *getDefSrcName ();
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void setDefSrc (SourceFile *sf);
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void setLineFirst (int lineno);
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Vector<SourceFile*> *get_sources ();
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char *
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get_mangled_name ()
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{
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return mangled_name;
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}
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char *
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get_match_name ()
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{
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return match_name;
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}
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inline Function *
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cardinal ()
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{
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return alias ? alias : this;
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}
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unsigned int flags; // FUNC_FLAG_*
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Module *module; // pointer to module containing source
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int line_first; // range of line numbers for function
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int line_last;
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int64_t size; // size of the function in bytes
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uint64_t save_addr; // used for detection of leaf routines
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DbeInstr *derivedNode; // If derived from another function
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bool isOutlineFunction; // if outline (save assumed)
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unsigned int chksum; // check sum of instructions
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char *img_fname; // file containing function image
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uint64_t img_offset; // file offset of the image
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SourceFile *curr_srcfile;
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DbeLine *defaultDbeLine;
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Function *usrfunc; // User function
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Function *alias;
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bool isUsed;
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bool isHideFunc;
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SourceFile *def_source;
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Function *indexStabsLink; // correspondent function for the .o file
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Symbol *elfSym;
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InlinedSubr *inlinedSubr;
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int inlinedSubrCnt;
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private:
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DbeInstr **instHTable; // hash table for DbeInstr
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int *addrIndexHTable; // hash table for addrs index
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void setSource ();
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PCInfo *lookup_PCInfo (uint64_t offset);
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SrcInfo *new_srcInfo ();
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char *mangled_name;
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char *match_name; // mangled name, with globalization stripped
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char *comparable_name; // demangled name, with globalization and blanks stripped
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char *name_buf;
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NameFormat current_name_format;
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Vector<PCInfo*> *linetab;
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Vector<DbeInstr*> *instrs;
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Vector<uint64_t> *addrs;
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uint64_t instr_id;
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Vector<SourceFile*> *sources;
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SrcInfo *curr_srcinfo; // the current source stack of the function
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SrcInfo *srcinfo_list; // master list for SrcInfo
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};
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class JMethod : public Function
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{
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public:
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JMethod (uint64_t _id);
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virtual ~JMethod ();
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virtual void set_name (char *);
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virtual uint64_t get_addr ();
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void
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set_addr (Vaddr _addr)
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{
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addr = _addr;
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}
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uint64_t
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get_mid ()
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{
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return mid;
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}
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void
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set_mid (uint64_t _mid)
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{
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mid = _mid;
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}
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char *
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get_signature ()
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{
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return signature;
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}
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void
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set_signature (const char *s)
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{
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signature = dbe_strdup (s);
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}
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// Returns true if func's name matches method's as its JNI implementation
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bool jni_match (Function *func);
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private:
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uint64_t mid;
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Vaddr addr;
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char *signature;
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Function *jni_function;
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};
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#endif /* _DBE_FUNCTION_H */
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