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git://source.winehq.org/git/wine.git
synced 2024-09-06 05:21:08 +00:00
- removed unused function: SetSymbolValue
- enhanced a bit AddSymbol regarding invalid symbol management (and enhanced its traces) - now printing type information in 'info sym'
This commit is contained in:
parent
0607e083ac
commit
d0882d5435
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@ -330,7 +330,6 @@ extern int DEBUG_ReadLine(const char* pfx, char* buffer, int size);
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/* debugger/display.c */
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extern int DEBUG_DoDisplay(void);
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extern int DEBUG_AddDisplay(struct expr * exp, int count, char format);
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extern int DEBUG_DoDisplay(void);
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extern int DEBUG_DelDisplay(int displaynum);
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extern int DEBUG_InfoDisplay(void);
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@ -361,7 +360,6 @@ extern struct name_hash * DEBUG_AddSymbol( const char *name,
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const char *sourcefile,
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int flags);
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extern enum get_sym_val DEBUG_GetSymbolValue( const char * name, const int lineno, DBG_VALUE *addr, int );
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extern BOOL DEBUG_SetSymbolValue( const char * name, const DBG_VALUE *addr );
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extern const char * DEBUG_FindNearestSymbol( const DBG_ADDR *addr, int flag,
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struct name_hash ** rtn,
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unsigned int ebp,
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@ -160,8 +160,9 @@ DEBUG_ResortSymbols(void)
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if( (nh->flags & SYM_INVALID) == 0 )
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nsym++;
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else
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DEBUG_Printf( DBG_CHN_MESG, "Symbol %s is invalid\n", nh->name );
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}
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DEBUG_Printf( DBG_CHN_MESG, "Symbol %s (%04lx:%08lx) is invalid\n",
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nh->name, nh->value.addr.seg, nh->value.addr.off );
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}
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}
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sorttab_nsym = nsym;
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@ -209,39 +210,53 @@ DEBUG_AddSymbol( const char * name, const DBG_VALUE *value,
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hash = name_hash(name);
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for (nh = name_hash_table[hash]; nh; nh = nh->next)
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{
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if( ((nh->flags & SYM_INVALID) != 0) && strcmp(name, nh->name) == 0 )
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if (name[0] == nh->name[0] && strcmp(name, nh->name) == 0)
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{
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#if 0
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DEBUG_Printf(DBG_CHN_MESG, "Changing address for symbol %s (%08lx:%08lx => %08lx:%08lx)\n",
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name, nh->value.addr.seg, nh->value.addr.off, value->addr.seg, value->addr.off);
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#endif
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nh->value.addr = value->addr;
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if( nh->value.type == NULL && value->type != NULL )
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{
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nh->value.type = value->type;
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nh->value.cookie = value->cookie;
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}
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/* it may happen that the same symbol is defined in several compilation
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* units, but the linker decides to merge it into a single instance.
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* in that case, we don't clear the invalid flag for all the compilation
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* units (N_GSYM), and wait to get the symbol from the symtab
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*/
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if ((flags & SYM_INVALID) == 0)
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nh->flags &= ~SYM_INVALID;
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int c = memcmp(&nh->value.addr, &value->addr, sizeof(value->addr));
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return nh;
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}
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if (nh->value.addr.seg == value->addr.seg &&
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nh->value.addr.off == value->addr.off &&
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strcmp(name, nh->name) == 0 )
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{
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return nh;
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if ((nh->flags & SYM_INVALID) != 0)
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{
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/* this case happens in ELF files, where we don't get the
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* address of a symbol for the stabs part, but rather from
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* the ELF sections. in this case, we'll call this function
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* twice:
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* - a first time while parsing the stabs, with a NULL
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* address
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* - a second time with the correct address
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* SYM_INVALID is set for the first pass, and cleared in the second
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* the code below gets most of information for both passes
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* latest GCC version seem to provide correct address in first pass,
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*/
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if (nh->value.addr.seg == 0 && nh->value.addr.off == 0 && c != 0)
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{
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#if 0
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DEBUG_Printf(DBG_CHN_MESG, "Changing address for symbol %s (%04lx:%08lx => %04lx:%08lx)\n",
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name, nh->value.addr.seg, nh->value.addr.off, value->addr.seg, value->addr.off);
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#endif
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nh->value.addr = value->addr;
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}
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if (nh->value.type == NULL && value->type != NULL)
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{
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nh->value.type = value->type;
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nh->value.cookie = value->cookie;
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}
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/* it may happen that the same symbol is defined in several compilation
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* units, but the linker decides to merge it into a single instance.
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* in that case, we don't clear the invalid flag for all the compilation
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* units (N_GSYM), and wait to get the symbol from the symtab
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*/
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if ((flags & SYM_INVALID) == 0)
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nh->flags &= ~SYM_INVALID;
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return nh;
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}
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/* don't define a symbol twice */
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if (c == 0 && (flags & SYM_INVALID) == 0) return nh;
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}
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}
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#if 0
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DEBUG_Printf(DBG_CHN_TRACE, "adding symbol (%s) from file '%s' at 0x%04lx:%08lx\n",
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name, source, value->addr.seg, value->addr.off);
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DEBUG_Printf(DBG_CHN_TRACE, "adding %s symbol (%s) from file '%s' at %04lx:%08lx\n",
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(flags & SYM_INVALID) ? "invalid" : " valid", name, source, value->addr.seg, value->addr.off);
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#endif
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/*
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@ -499,42 +514,6 @@ BOOL DEBUG_GetLineNumberAddr( const struct name_hash * nh, const int lineno,
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return TRUE;
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}
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/***********************************************************************
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* DEBUG_SetSymbolValue
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*
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* Set the address of a named symbol.
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*/
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BOOL DEBUG_SetSymbolValue( const char * name, const DBG_VALUE *value )
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{
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char buffer[256];
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struct name_hash *nh;
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assert(value->cookie == DV_TARGET || value->cookie == DV_HOST);
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for(nh = name_hash_table[name_hash(name)]; nh; nh = nh->next)
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if (!strcmp(nh->name, name)) break;
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if (!nh && (name[0] != '_'))
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{
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buffer[0] = '_';
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strcpy(buffer+1, name);
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for(nh = name_hash_table[name_hash(buffer)]; nh; nh = nh->next)
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if (!strcmp(nh->name, buffer)) break;
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}
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if (!nh) return FALSE;
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nh->value = *value;
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nh->flags &= ~SYM_INVALID;
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#ifdef __i386__
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DEBUG_FixAddress( &nh->value.addr, DEBUG_context.SegDs );
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#endif
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return TRUE;
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}
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/***********************************************************************
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* DEBUG_FindNearestSymbol
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*
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@ -1394,6 +1373,12 @@ void DEBUG_InfoSymbols(const char* str)
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array[i]->value.addr.off );
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else
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DEBUG_Printf( DBG_CHN_MESG, "%08lx :", array[i]->value.addr.off );
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if (array[i]->value.type)
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{
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DEBUG_Printf( DBG_CHN_MESG, " (");
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DEBUG_PrintTypeCast(array[i]->value.type);
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DEBUG_Printf( DBG_CHN_MESG, ")");
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}
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if (name) DEBUG_Printf( DBG_CHN_MESG, " %s\n", name );
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}
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HeapFree(GetProcessHeap(), 0, array);
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