7b6c2587a9
Averything that required cpu.h include now has it explicitly and there are a lot of files not dependant by CPU at all which will compile a lot faster now ...
418 lines
10 KiB
C++
Executable File
418 lines
10 KiB
C++
Executable File
/////////////////////////////////////////////////////////////////////////
|
|
// $Id: symbols.cc,v 1.4 2006-03-06 22:02:50 sshwarts Exp $
|
|
/////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Copyright (C) 2001 MandrakeSoft S.A.
|
|
//
|
|
// MandrakeSoft S.A.
|
|
// 43, rue d'Aboukir
|
|
// 75002 Paris - France
|
|
// http://www.linux-mandrake.com/
|
|
// http://www.mandrakesoft.com/
|
|
//
|
|
// This library is free software; you can redistribute it and/or
|
|
// modify it under the terms of the GNU Lesser General Public
|
|
// License as published by the Free Software Foundation; either
|
|
// version 2 of the License, or (at your option) any later version.
|
|
//
|
|
// This library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
// Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public
|
|
// License along with this library; if not, write to the Free Software
|
|
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
/////////////////////////////////////////////////////////////////////////
|
|
|
|
#include "bochs.h"
|
|
#include "cpu/cpu.h"
|
|
|
|
#if !((BX_HAVE_HASH_MAP || BX_HAVE_HASH_MAP_H) && (BX_HAVE_SET || BX_HAVE_SET_H))
|
|
|
|
static char *BX_HAVE_HASH_MAP_ERR = "context not implemented because BX_HAVE_HASH_MAP=0\n";
|
|
|
|
char* bx_dbg_symbolic_address(Bit32u context, Bit32u eip, Bit32u base)
|
|
{
|
|
static bx_bool first = true;
|
|
if (first) {
|
|
dbg_printf(BX_HAVE_HASH_MAP_ERR);
|
|
first = false;
|
|
}
|
|
return "unk. ctxt";
|
|
}
|
|
|
|
char* bx_dbg_symbolic_address_16bit(Bit32u eip, Bit32u cs)
|
|
{
|
|
// just prints an error anyway
|
|
return bx_dbg_symbolic_address (0,0,0);
|
|
}
|
|
|
|
void bx_dbg_symbol_command(char* filename, bx_bool global, Bit32u offset)
|
|
{
|
|
dbg_printf(BX_HAVE_HASH_MAP_ERR);
|
|
}
|
|
|
|
void bx_dbg_info_symbols_command(char *Symbol)
|
|
{
|
|
dbg_printf(BX_HAVE_HASH_MAP_ERR);
|
|
}
|
|
|
|
int bx_dbg_lbreakpoint_symbol_command(char *Symbol)
|
|
{
|
|
dbg_printf(BX_HAVE_HASH_MAP_ERR);
|
|
return -1;
|
|
}
|
|
|
|
Bit32u bx_dbg_get_symbol_value(char *Symbol)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
char* bx_dbg_disasm_symbolic_address(Bit32u eip, Bit32u base)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#else /* if BX_HAVE_HASH_MAP == 1 */
|
|
|
|
/* Haven't figured out how to port this code to OSF1 cxx compiler.
|
|
Until a more portable solution is found, at least make it easy
|
|
to disable the template code: just set BX_HAVE_HASH_MAP=0
|
|
in config.h */
|
|
#if BX_HAVE_HASH_MAP
|
|
#include <hash_map>
|
|
#elif BX_HAVE_HASH_MAP_H
|
|
#include <hash_map.h>
|
|
#endif
|
|
|
|
#if BX_HAVE_SET
|
|
#include <set>
|
|
#elif BX_HAVE_SET_H
|
|
#include <set.h>
|
|
#endif
|
|
|
|
using namespace std;
|
|
|
|
struct symbol_entry_t
|
|
{
|
|
symbol_entry_t (Bit32u _start = 0, char* _name = 0)
|
|
{
|
|
start = _start;
|
|
name = _name;
|
|
}
|
|
|
|
char* name;
|
|
Bit32u start;
|
|
};
|
|
|
|
struct lt_symbol_entry_t
|
|
{
|
|
bool operator()(const symbol_entry_t* s1, const symbol_entry_t* s2) const
|
|
{
|
|
return s1->start < s2->start;
|
|
}
|
|
};
|
|
|
|
struct lt_rsymbol_entry_t
|
|
{
|
|
bool operator()(const symbol_entry_t* s1, const symbol_entry_t* s2) const
|
|
{
|
|
return strcoll(s1->name, s2->name) < 0;
|
|
}
|
|
};
|
|
|
|
struct context_t
|
|
{
|
|
context_t (Bit32u);
|
|
~context_t();
|
|
static context_t* get_context(Bit32u);
|
|
symbol_entry_t* get_symbol_entry(Bit32u);
|
|
symbol_entry_t* get_symbol_entry(const char *Symbol) const;
|
|
void add_symbol(symbol_entry_t*);
|
|
const set<symbol_entry_t*,lt_symbol_entry_t>* get_all_symbols() const {return syms;}
|
|
const set<symbol_entry_t*,lt_rsymbol_entry_t>* get_all_rsymbols() const {return rsyms;}
|
|
private:
|
|
static hash_map<int,context_t*>* map;
|
|
// Forvard references (find name by address)
|
|
set<symbol_entry_t*,lt_symbol_entry_t>* syms;
|
|
// Reverse references (find address by name)
|
|
set<symbol_entry_t*,lt_rsymbol_entry_t>* rsyms;
|
|
Bit32u id;
|
|
};
|
|
|
|
hash_map<int,context_t*>* context_t::map = new hash_map<int,context_t*>;
|
|
|
|
context_t::context_t (Bit32u _id)
|
|
{
|
|
id = _id;
|
|
syms = new set<symbol_entry_t*, lt_symbol_entry_t>;
|
|
rsyms = new set<symbol_entry_t*, lt_rsymbol_entry_t>;
|
|
(*map)[id] = this;
|
|
}
|
|
|
|
context_t::~context_t()
|
|
{
|
|
set<symbol_entry_t*>::iterator iter;
|
|
if(syms) {
|
|
for(iter=syms->begin();iter!=syms->end();++iter)
|
|
if(*iter)
|
|
delete *iter;
|
|
}
|
|
|
|
if(rsyms) {
|
|
for(iter=rsyms->begin();iter!=rsyms->end();++iter)
|
|
if(*iter)
|
|
delete *iter;
|
|
}
|
|
}
|
|
|
|
context_t* context_t::get_context(Bit32u i)
|
|
{
|
|
return (*map)[i];
|
|
}
|
|
|
|
symbol_entry_t* context_t::get_symbol_entry(Bit32u ip)
|
|
{
|
|
symbol_entry_t probe;
|
|
probe.start = ip;
|
|
// find the first symbol whose address is greater than ip.
|
|
if (syms->empty ()) return 0;
|
|
set<symbol_entry_t*>::iterator iter = syms->upper_bound(&probe);
|
|
|
|
if (iter == syms->end()) { // No symbol found
|
|
return 0;
|
|
}
|
|
|
|
return *(--iter);
|
|
}
|
|
|
|
symbol_entry_t* context_t::get_symbol_entry(const char *Symbol) const
|
|
{
|
|
symbol_entry_t probe;
|
|
probe.name=(char *)Symbol;
|
|
|
|
if (rsyms->empty ())
|
|
return 0;
|
|
|
|
set<symbol_entry_t*>::const_iterator iter;
|
|
iter=rsyms->find(&probe);
|
|
if(iter==rsyms->end()) // No symbol found
|
|
return 0;
|
|
return *iter;
|
|
}
|
|
|
|
void context_t::add_symbol(symbol_entry_t* sym)
|
|
{
|
|
syms->insert(sym);
|
|
rsyms->insert(sym);
|
|
}
|
|
|
|
Bit32u bx_dbg_get_symbol_value(char *Symbol)
|
|
{
|
|
context_t* cntx = context_t::get_context(0);
|
|
if(!cntx) // Context not found
|
|
return 0;
|
|
|
|
if (Symbol[0]=='\"') Symbol++;
|
|
int len = strlen(Symbol);
|
|
if (Symbol[len - 1] == '\"') Symbol[len - 1] = '\0';
|
|
|
|
symbol_entry_t* sym=cntx->get_symbol_entry(Symbol);
|
|
if(!sym) // Symbol not found
|
|
return 0;
|
|
|
|
return sym->start;
|
|
}
|
|
|
|
char* bx_dbg_symbolic_address(Bit32u context, Bit32u eip, Bit32u base)
|
|
{
|
|
static char buf[80];
|
|
#if 0
|
|
// bbd: I don't see why we shouldn't allow symbol lookups on
|
|
// segments with a nonzero base. I need to trace user
|
|
// processes in Linux, which have a base of 0xc0000000.
|
|
if (base != 0) {
|
|
snprintf (buf, 80, "non-zero base");
|
|
return buf;
|
|
}
|
|
#endif
|
|
// Look up this context
|
|
context_t* cntx = context_t::get_context(context);
|
|
if (!cntx) {
|
|
// Try global context
|
|
cntx = context_t::get_context(0);
|
|
if (!cntx) {
|
|
snprintf (buf, 80, "unk. ctxt");
|
|
return buf;
|
|
}
|
|
}
|
|
// full linear address not only eip (for nonzero based segments)
|
|
symbol_entry_t* entr = cntx->get_symbol_entry(base+eip);
|
|
if (!entr) {
|
|
snprintf (buf, 80, "no symbol");
|
|
return buf;
|
|
}
|
|
snprintf (buf, 80, "%s+%x", entr->name, (base+eip) - entr->start);
|
|
return buf;
|
|
}
|
|
|
|
char* bx_dbg_disasm_symbolic_address(Bit32u eip, Bit32u base)
|
|
{
|
|
static char buf[80];
|
|
|
|
// Try global context
|
|
context_t* cntx = context_t::get_context(0);
|
|
if (!cntx) {
|
|
return 0;
|
|
}
|
|
|
|
// full linear address not only eip (for nonzero based segments)
|
|
symbol_entry_t* entr = cntx->get_symbol_entry(base+eip);
|
|
if (!entr) {
|
|
return 0;
|
|
}
|
|
snprintf (buf, 80, "%s+%x", entr->name, (base+eip) - entr->start);
|
|
return buf;
|
|
}
|
|
|
|
char* bx_dbg_symbolic_address_16bit(Bit32u eip, Bit32u cs)
|
|
{
|
|
// in 16-bit code, the segment selector and offset are combined into a
|
|
// 20-bit linear address = (segment selector<<4) + offset.
|
|
eip &= 0xffff;
|
|
cs &= 0xffff;
|
|
return bx_dbg_symbolic_address (0, eip+(cs<<4), 0);
|
|
}
|
|
|
|
void bx_dbg_symbol_command(char* filename, bx_bool global, Bit32u offset)
|
|
{
|
|
if (filename[0] == '"')
|
|
filename++;
|
|
int len = strlen(filename);
|
|
if (filename[len - 1] == '"')
|
|
filename[len - 1] = '\0';
|
|
|
|
// Install symbols in correct context (page table)
|
|
// The file format should be
|
|
// address symbol (example '00002afe _StartLoseNT')
|
|
|
|
context_t* cntx = (global) ? context_t::get_context(0)
|
|
: context_t::get_context((BX_CPU(dbg_cpu)->cr3) >> 12);
|
|
|
|
if (!cntx) {
|
|
cntx = (global) ? new context_t(0)
|
|
: new context_t((BX_CPU(dbg_cpu)->cr3) >> 12);
|
|
}
|
|
|
|
FILE* fp = fopen(filename, "rt"); // 't' is need for win32, unixes simply ignore it
|
|
if (!fp) {
|
|
dbg_printf ("Could not open symbol file '%s'\n", filename);
|
|
return;
|
|
}
|
|
char buf[200];
|
|
while (fgets(buf, 200, fp)) {
|
|
// Parse
|
|
char* sym_name = buf;
|
|
|
|
for (int i = 0; i < 200 && buf[i]; i++) {
|
|
if (buf[i] == ' ') {
|
|
buf[i] = '\0';
|
|
sym_name = buf + i + 1;
|
|
break;
|
|
}
|
|
}
|
|
if (sym_name == buf) {
|
|
dbg_printf ("Syntax error '%s'\n", buf);
|
|
break;
|
|
}
|
|
Bit32u addr = strtoul(buf, 0, 16);
|
|
if (sym_name[strlen(sym_name)-1] == '\n')
|
|
sym_name[strlen(sym_name)-1] = '\0';
|
|
symbol_entry_t* sym = new symbol_entry_t(addr + offset, strdup(sym_name));
|
|
cntx->add_symbol(sym);
|
|
}
|
|
}
|
|
|
|
// chack if s1 is prefix of s2
|
|
static bool bx_dbg_strprefix(const char *s1, const char *s2)
|
|
{
|
|
if(!s1 || !s2)
|
|
return false;
|
|
|
|
size_t len=strlen(s1);
|
|
|
|
if(len>strlen(s2))
|
|
return false;
|
|
return strncmp(s1, s2, len)==0;
|
|
}
|
|
|
|
void bx_dbg_info_symbols_command(char *Symbol)
|
|
{
|
|
context_t* cntx = context_t::get_context(0);
|
|
|
|
if(!cntx) {
|
|
dbg_printf ("Global context not available\n");
|
|
return;
|
|
}
|
|
|
|
if(Symbol) {
|
|
const set<symbol_entry_t*,lt_rsymbol_entry_t>* rsyms;
|
|
|
|
rsyms=cntx->get_all_rsymbols();
|
|
if (rsyms->empty ()) {
|
|
dbg_printf ("Symbols not loaded\n");
|
|
return;
|
|
}
|
|
// remove leading and trailing quotas
|
|
if (Symbol[0]=='\"') Symbol++;
|
|
int len = strlen(Symbol);
|
|
if (Symbol[len - 1] == '\"') Symbol[len - 1] = '\0';
|
|
|
|
symbol_entry_t probe;
|
|
probe.name=Symbol;
|
|
set<symbol_entry_t*>::const_iterator iter;
|
|
iter=rsyms->lower_bound(&probe);
|
|
|
|
if(iter==rsyms->end() || !bx_dbg_strprefix(Symbol, (*iter)->name))
|
|
dbg_printf ("No symbols found\n");
|
|
else
|
|
for(;iter!=rsyms->end() && bx_dbg_strprefix(Symbol, (*iter)->name);++iter) {
|
|
dbg_printf ("%08x: %s\n", (*iter)->start, (*iter)->name);
|
|
}
|
|
}
|
|
else {
|
|
const set<symbol_entry_t*,lt_symbol_entry_t>* syms;
|
|
|
|
syms=cntx->get_all_symbols();
|
|
if (syms->empty ()) {
|
|
dbg_printf ("Symbols not loaded\n");
|
|
return;
|
|
}
|
|
|
|
set<symbol_entry_t*>::const_iterator iter;
|
|
for(iter = syms->begin();iter!=syms->end();++iter) {
|
|
dbg_printf ("%08x: %s\n", (*iter)->start, (*iter)->name);
|
|
}
|
|
}
|
|
}
|
|
|
|
int bx_dbg_lbreakpoint_symbol_command(char *Symbol)
|
|
{
|
|
context_t* cntx = context_t::get_context(0);
|
|
if(!cntx) {
|
|
dbg_printf ("Global context not available\n");
|
|
return -1;
|
|
}
|
|
if (Symbol[0]=='\"') Symbol++;
|
|
int len = strlen(Symbol);
|
|
if (Symbol[len - 1] == '\"') Symbol[len - 1] = '\0';
|
|
|
|
const symbol_entry_t* sym=cntx->get_symbol_entry(Symbol);
|
|
if(sym)
|
|
return bx_dbg_lbreakpoint_command(bkRegular, sym->start);
|
|
dbg_printf ("Symbol not found\n");
|
|
return -1;
|
|
}
|
|
#endif
|