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wine/debugger/types.c
Alexandre Julliard 081ee94117 - Fixed resource functions to work directly from the HMODULE instead of 
requiring a modref.
- Attempted to get LOAD_LIBRARY_AS_DATAFILE right (based on patches by
  Eric Pouech and Dusan Lacko).
- Simplified modref structure and handling.
2000-08-07 04:12:41 +00:00

1086 lines
24 KiB
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/*
* File types.c - datatype handling stuff for internal debugger.
*
* Copyright (C) 1997, Eric Youngdale.
*
* This really doesn't do much at the moment, but it forms the framework
* upon which full support for datatype handling will eventually be hung.
*/
#include "config.h"
#include <stdlib.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <limits.h>
#include <string.h>
#include <unistd.h>
#include "debugger.h"
#define NR_TYPE_HASH 521
int DEBUG_nchar;
static int DEBUG_maxchar = 1024;
struct en_values
{
struct en_values* next;
char * name;
int value;
};
struct member
{
struct member * next;
char * name;
struct datatype * type;
int offset;
int size;
};
struct datatype
{
enum debug_type type;
struct datatype * next;
char * name;
union
{
struct
{
char basic_type;
char * output_format;
char basic_size;
unsigned b_signed:1;
} basic;
struct
{
unsigned short bitoff;
unsigned short nbits;
struct datatype * basetype;
} bitfield;
struct
{
struct datatype * pointsto;
} pointer;
struct
{
struct datatype * rettype;
} funct;
struct
{
int start;
int end;
struct datatype * basictype;
} array;
struct
{
int size;
struct member * members;
} structure;
struct
{
struct en_values * members;
} enumeration;
} un;
};
#define BASIC_INT 1
#define BASIC_CHAR 2
#define BASIC_LONG 3
#define BASIC_UINT 4
#define BASIC_LUI 5
#define BASIC_LONGLONG 6
#define BASIC_ULONGLONGI 7
#define BASIC_SHORT 8
#define BASIC_SHORTUI 9
#define BASIC_SCHAR 10
#define BASIC_UCHAR 11
#define BASIC_FLT 12
#define BASIC_LONG_DOUBLE 13
#define BASIC_DOUBLE 14
#define BASIC_CMPLX_INT 15
#define BASIC_CMPLX_FLT 16
#define BASIC_CMPLX_DBL 17
#define BASIC_CMPLX_LONG_DBL 18
#define BASIC_VOID 19
struct datatype * DEBUG_TypeInt = NULL;
struct datatype * DEBUG_TypeIntConst = NULL;
struct datatype * DEBUG_TypeUSInt = NULL;
struct datatype * DEBUG_TypeString = NULL;
struct datatype * DEBUG_TypeShortUInt = NULL;
/*
* All of the types that have been defined so far.
*/
static struct datatype * type_hash_table[NR_TYPE_HASH + 1];
static struct datatype * pointer_types = NULL;
static unsigned int type_hash( const char * name )
{
unsigned int hash = 0;
unsigned int tmp;
const char * p;
p = name;
while (*p)
{
hash = (hash << 4) + *p++;
if( (tmp = (hash & 0xf0000000)) )
{
hash ^= tmp >> 24;
}
hash &= ~tmp;
}
return hash % NR_TYPE_HASH;
}
static struct datatype *
DEBUG_InitBasic(int type, char * name, int size, int b_signed,
char * output_format)
{
int hash;
struct datatype * dt;
dt = (struct datatype *) DBG_alloc(sizeof(struct datatype));
if( dt != NULL )
{
if( name != NULL )
{
hash = type_hash(name);
}
else
{
hash = NR_TYPE_HASH;
}
dt->type = DT_BASIC;
dt->name = name;
dt->next = type_hash_table[hash];
type_hash_table[hash] = dt;
dt->un.basic.basic_type = type;
dt->un.basic.basic_size = size;
dt->un.basic.b_signed = b_signed;
dt->un.basic.output_format = output_format;
}
return dt;
}
static
struct datatype *
DEBUG_LookupDataType(enum debug_type xtype, int hash, const char * typename)
{
struct datatype * dt = NULL;
if( typename != NULL )
{
for( dt = type_hash_table[hash]; dt; dt = dt->next )
{
if( xtype != dt->type || dt->name == NULL
|| dt->name[0] != typename[0])
{
continue;
}
if( strcmp(dt->name, typename) == 0 )
{
return dt;
}
}
}
return dt;
}
struct datatype *
DEBUG_NewDataType(enum debug_type xtype, const char * typename)
{
struct datatype * dt = NULL;
int hash;
/*
* The last bucket is special, and is used to hold typeless names.
*/
if( typename == NULL )
{
hash = NR_TYPE_HASH;
}
else
{
hash = type_hash(typename);
}
dt = DEBUG_LookupDataType(xtype, hash, typename);
if( dt == NULL )
{
dt = (struct datatype *) DBG_alloc(sizeof(struct datatype));
if( dt != NULL )
{
memset(dt, 0, sizeof(*dt));
dt->type = xtype;
if( typename != NULL )
{
dt->name = DBG_strdup(typename);
}
else
{
dt->name = NULL;
}
if( xtype == DT_POINTER )
{
dt->next = pointer_types;
pointer_types = dt;
}
else
{
dt->next = type_hash_table[hash];
type_hash_table[hash] = dt;
}
}
}
return dt;
}
struct datatype *
DEBUG_FindOrMakePointerType(struct datatype * reftype)
{
struct datatype * dt = NULL;
if( reftype != NULL )
{
for( dt = pointer_types; dt; dt = dt->next )
{
if( dt->type != DT_POINTER )
{
continue;
}
if( dt->un.pointer.pointsto == reftype )
{
return dt;
}
}
}
if( dt == NULL )
{
dt = (struct datatype *) DBG_alloc(sizeof(struct datatype));
if( dt != NULL )
{
dt->type = DT_POINTER;
dt->un.pointer.pointsto = reftype;
dt->next = pointer_types;
pointer_types = dt;
}
}
return dt;
}
void
DEBUG_InitTypes(void)
{
static int beenhere = 0;
struct datatype * chartype;
if( beenhere++ != 0 )
{
return;
}
/*
* Special version of int used with constants of various kinds.
*/
DEBUG_TypeIntConst = DEBUG_InitBasic(BASIC_INT,NULL,4,1,"%d");
/*
* Initialize a few builtin types.
*/
DEBUG_TypeInt = DEBUG_InitBasic(BASIC_INT,"int",4,1,"%d");
chartype = DEBUG_InitBasic(BASIC_CHAR,"char",1,1,"'%c'");
DEBUG_InitBasic(BASIC_LONG,"long int",4,1,"%d");
DEBUG_TypeUSInt = DEBUG_InitBasic(BASIC_UINT,"unsigned int",4,0,"%d");
DEBUG_InitBasic(BASIC_LUI,"long unsigned int",4,0,"%d");
DEBUG_InitBasic(BASIC_LONGLONG,"long long int",8,1,"%ld");
DEBUG_InitBasic(BASIC_ULONGLONGI,"long long unsigned int",8,0,"%ld");
DEBUG_InitBasic(BASIC_SHORT,"short int",2,1,"%d");
DEBUG_TypeShortUInt = DEBUG_InitBasic(BASIC_SHORTUI,"short unsigned int",2,0,"%d");
DEBUG_InitBasic(BASIC_SCHAR,"signed char",1,1,"'%c'");
DEBUG_InitBasic(BASIC_UCHAR,"unsigned char",1,0,"'%c'");
DEBUG_InitBasic(BASIC_FLT,"float",4,0,"%f");
DEBUG_InitBasic(BASIC_LONG_DOUBLE,"double",8,0,"%lf");
DEBUG_InitBasic(BASIC_DOUBLE,"long double",12,0,NULL);
DEBUG_InitBasic(BASIC_CMPLX_INT,"complex int",8,1,NULL);
DEBUG_InitBasic(BASIC_CMPLX_FLT,"complex float",8,0,NULL);
DEBUG_InitBasic(BASIC_CMPLX_DBL,"complex double",16,0,NULL);
DEBUG_InitBasic(BASIC_CMPLX_LONG_DBL,"complex long double",24,0,NULL);
DEBUG_InitBasic(BASIC_VOID,"void",0,0,NULL);
DEBUG_TypeString = DEBUG_NewDataType(DT_POINTER, NULL);
DEBUG_SetPointerType(DEBUG_TypeString, chartype);
/*
* Now initialize the builtins for codeview.
*/
DEBUG_InitCVDataTypes();
}
long long int
DEBUG_GetExprValue(const DBG_VALUE *_value, char ** format)
{
unsigned int rtn;
struct datatype * type2 = NULL;
struct en_values * e;
char * def_format = "0x%x";
DBG_VALUE value = *_value;
assert(_value->cookie == DV_TARGET || _value->cookie == DV_HOST);
rtn = 0;
/* FIXME? I don't quite get this...
* if this is wrong, value.addr shall be linearized
*/
value.addr.seg = 0;
assert(value.type != NULL);
switch(value.type->type)
{
case DT_BASIC:
rtn = 0;
/* FIXME: following code implies i386 byte ordering */
if (_value->cookie == DV_TARGET) {
if (!DEBUG_READ_MEM_VERBOSE((void*)value.addr.off, &rtn,
value.type->un.basic.basic_size))
return 0;
} else {
memcpy(&rtn, (void*)value.addr.off, value.type->un.basic.basic_size);
}
if( (value.type->un.basic.b_signed)
&& ((value.type->un.basic.basic_size & 3) != 0)
&& ((rtn >> (value.type->un.basic.basic_size * 8 - 1)) != 0) )
{
rtn = rtn | ((-1) << (value.type->un.basic.basic_size * 8));
}
if( value.type->un.basic.output_format != NULL )
{
def_format = value.type->un.basic.output_format;
}
/*
* Check for single character prints that are out of range.
*/
if( value.type->un.basic.basic_size == 1
&& strcmp(def_format, "'%c'") == 0
&& ((rtn < 0x20) || (rtn > 0x80)) )
{
def_format = "%d";
}
break;
case DT_POINTER:
if (_value->cookie == DV_TARGET) {
if (!DEBUG_READ_MEM_VERBOSE((void*)value.addr.off, &rtn, sizeof(void*)))
return 0;
} else {
rtn = *(unsigned int*)(value.addr.off);
}
type2 = value.type->un.pointer.pointsto;
if (!type2)
{
def_format = "Internal symbol error: unable to access memory location 0x%08x";
rtn = 0;
break;
}
if( type2->type == DT_BASIC && type2->un.basic.basic_size == 1 )
{
if ( _value->cookie == DV_TARGET ) {
char ch;
def_format = "\"%S\"";
if (!DEBUG_READ_MEM_VERBOSE((void*)rtn, &ch, 1))
return 0;
} else {
def_format = "\"%s\"";
}
}
else
{
def_format = "0x%8.8x";
}
break;
case DT_ARRAY:
case DT_STRUCT:
assert(_value->cookie == DV_TARGET);
if (!DEBUG_READ_MEM_VERBOSE((void*)value.addr.off, &rtn, sizeof(rtn)))
return 0;
def_format = "0x%8.8x";
break;
case DT_ENUM:
assert(_value->cookie == DV_TARGET);
if (!DEBUG_READ_MEM_VERBOSE((void*)value.addr.off, &rtn, sizeof(rtn)))
return 0;
for(e = value.type->un.enumeration.members; e; e = e->next )
{
if( e->value == rtn )
{
break;
}
}
if( e != NULL )
{
rtn = (int) e->name;
def_format = "%s";
}
else
{
def_format = "%d";
}
break;
default:
rtn = 0;
break;
}
if( format != NULL )
{
*format = def_format;
}
return rtn;
}
unsigned int
DEBUG_TypeDerefPointer(const DBG_VALUE *value, struct datatype ** newtype)
{
DBG_ADDR addr = value->addr;
unsigned int val;
assert(value->cookie == DV_TARGET || value->cookie == DV_HOST);
*newtype = NULL;
/*
* Make sure that this really makes sense.
*/
if( value->type->type != DT_POINTER )
return 0;
if (value->cookie == DV_TARGET) {
if (!DEBUG_READ_MEM((void*)value->addr.off, &val, sizeof(val)))
return 0;
} else {
val = *(unsigned int*)value->addr.off;
}
*newtype = value->type->un.pointer.pointsto;
addr.off = val;
return DEBUG_ToLinear(&addr); /* FIXME: is this right (or "better") ? */
}
unsigned int
DEBUG_FindStructElement(DBG_VALUE* value, const char * ele_name, int * tmpbuf)
{
struct member * m;
unsigned int mask;
assert(value->cookie == DV_TARGET || value->cookie == DV_HOST);
/*
* Make sure that this really makes sense.
*/
if( value->type->type != DT_STRUCT )
{
value->type = NULL;
return FALSE;
}
for(m = value->type->un.structure.members; m; m = m->next)
{
if( strcmp(m->name, ele_name) == 0 )
{
value->type = m->type;
if( (m->offset & 7) != 0 || (m->size & 7) != 0)
{
/*
* Bitfield operation. We have to extract the field and store
* it in a temporary buffer so that we get it all right.
*/
*tmpbuf = ((*(int* ) (value->addr.off + (m->offset >> 3))) >> (m->offset & 7));
value->addr.off = (int) tmpbuf;
mask = 0xffffffff << (m->size);
*tmpbuf &= ~mask;
/*
* OK, now we have the correct part of the number.
* Check to see whether the basic type is signed or not, and if so,
* we need to sign extend the number.
*/
if( m->type->type == DT_BASIC && m->type->un.basic.b_signed != 0
&& (*tmpbuf & (1 << (m->size - 1))) != 0 )
{
*tmpbuf |= mask;
}
}
else
{
value->addr.off += (m->offset >> 3);
}
return TRUE;
}
}
value->type = NULL;
return FALSE;
}
int
DEBUG_SetStructSize(struct datatype * dt, int size)
{
assert(dt->type == DT_STRUCT);
if( dt->un.structure.members != NULL )
{
return FALSE;
}
dt->un.structure.size = size;
dt->un.structure.members = NULL;
return TRUE;
}
int
DEBUG_CopyFieldlist(struct datatype * dt, struct datatype * dt2)
{
assert( dt->type == dt2->type && ((dt->type == DT_STRUCT) || (dt->type == DT_ENUM)));
if( dt->type == DT_STRUCT )
{
dt->un.structure.members = dt2->un.structure.members;
}
else
{
dt->un.enumeration.members = dt2->un.enumeration.members;
}
return TRUE;
}
int
DEBUG_AddStructElement(struct datatype * dt, char * name, struct datatype * type,
int offset, int size)
{
struct member * m;
struct member * last;
struct en_values * e;
if( dt->type == DT_STRUCT )
{
for(last = dt->un.structure.members; last; last = last->next)
{
if( (last->name[0] == name[0])
&& (strcmp(last->name, name) == 0) )
{
return TRUE;
}
if( last->next == NULL )
{
break;
}
}
m = (struct member *) DBG_alloc(sizeof(struct member));
if( m == FALSE )
{
return FALSE;
}
m->name = DBG_strdup(name);
m->type = type;
m->offset = offset;
m->size = size;
if( last == NULL )
{
m->next = dt->un.structure.members;
dt->un.structure.members = m;
}
else
{
last->next = m;
m->next = NULL;
}
/*
* If the base type is bitfield, then adjust the offsets here so that we
* are able to look things up without lots of falter-all.
*/
if( type && type->type == DT_BITFIELD )
{
m->offset += m->type->un.bitfield.bitoff;
m->size = m->type->un.bitfield.nbits;
m->type = m->type->un.bitfield.basetype;
}
}
else if( dt->type == DT_ENUM )
{
e = (struct en_values *) DBG_alloc(sizeof(struct en_values));
if( e == FALSE )
{
return FALSE;
}
e->name = DBG_strdup(name);
e->value = offset;
e->next = dt->un.enumeration.members;
dt->un.enumeration.members = e;
}
else
{
assert(FALSE);
}
return TRUE;
}
struct datatype *
DEBUG_GetPointerType(struct datatype * dt)
{
if( dt->type == DT_POINTER )
{
return dt->un.pointer.pointsto;
}
return NULL;
}
int
DEBUG_SetPointerType(struct datatype * dt, struct datatype * dt2)
{
switch(dt->type)
{
case DT_POINTER:
dt->un.pointer.pointsto = dt2;
break;
case DT_FUNC:
dt->un.funct.rettype = dt2;
break;
default:
assert(FALSE);
}
return TRUE;
}
int
DEBUG_SetArrayParams(struct datatype * dt, int min, int max, struct datatype * dt2)
{
assert(dt->type == DT_ARRAY);
dt->un.array.start = min;
dt->un.array.end = max;
dt->un.array.basictype = dt2;
return TRUE;
}
int
DEBUG_SetBitfieldParams(struct datatype * dt, int offset, int nbits,
struct datatype * dt2)
{
assert(dt->type == DT_BITFIELD);
dt->un.bitfield.bitoff = offset;
dt->un.bitfield.nbits = nbits;
dt->un.bitfield.basetype = dt2;
return TRUE;
}
int DEBUG_GetObjectSize(struct datatype * dt)
{
if( dt == NULL )
{
return 0;
}
switch(dt->type)
{
case DT_BASIC:
return dt->un.basic.basic_size;
case DT_POINTER:
return sizeof(int *);
case DT_STRUCT:
return dt->un.structure.size;
case DT_ENUM:
return sizeof(int);
case DT_ARRAY:
return (dt->un.array.end - dt->un.array.start)
* DEBUG_GetObjectSize(dt->un.array.basictype);
case DT_BITFIELD:
/*
* Bitfields have to be handled seperately later on
* when we insert the element into the structure.
*/
return 0;
case DT_TYPEDEF:
case DT_FUNC:
case DT_CONST:
assert(FALSE);
}
return 0;
}
unsigned int
DEBUG_ArrayIndex(const DBG_VALUE * value, DBG_VALUE * result, int index)
{
int size;
assert(value->cookie == DV_TARGET || value->cookie == DV_HOST);
/*
* Make sure that this really makes sense.
*/
if( value->type->type == DT_POINTER )
{
/*
* Get the base type, so we know how much to index by.
*/
size = DEBUG_GetObjectSize(value->type->un.pointer.pointsto);
result->type = value->type->un.pointer.pointsto;
result->addr.off = (DWORD)DEBUG_ReadMemory(value) + size*index;
/* Contents of array must be on same target */
result->cookie = value->cookie;
}
else if (value->type->type == DT_ARRAY)
{
size = DEBUG_GetObjectSize(value->type->un.array.basictype);
result->type = value->type->un.array.basictype;
result->addr.off = value->addr.off + size * (index - value->type->un.array.start);
/* Contents of array must be on same target */
result->cookie = value->cookie;
}
else
{
assert(FALSE);
}
return TRUE;
}
/***********************************************************************
* DEBUG_Print
*
* Implementation of the 'print' command.
*/
void
DEBUG_Print( const DBG_VALUE *value, int count, char format, int level )
{
DBG_VALUE val1;
int i;
struct member * m;
char * pnt;
int size;
int xval;
assert(value->cookie == DV_TARGET || value->cookie == DV_HOST);
if (count != 1)
{
DEBUG_Printf( DBG_CHN_MESG, "Count other than 1 is meaningless in 'print' command\n" );
return;
}
if( value->type == NULL )
{
/* No type, just print the addr value */
if (value->addr.seg && (value->addr.seg != 0xffffffff))
DEBUG_nchar += DEBUG_Printf( DBG_CHN_MESG, "0x%04lx: ", value->addr.seg );
DEBUG_nchar += DEBUG_Printf( DBG_CHN_MESG, "0x%08lx", value->addr.off );
goto leave;
}
if( level == 0 )
{
DEBUG_nchar = 0;
}
if( DEBUG_nchar > DEBUG_maxchar )
{
DEBUG_Printf(DBG_CHN_MESG, "...");
goto leave;
}
if( format == 'i' || format == 's' || format == 'w' || format == 'b' )
{
DEBUG_Printf( DBG_CHN_MESG, "Format specifier '%c' is meaningless in 'print' command\n", format );
format = '\0';
}
switch(value->type->type)
{
case DT_BASIC:
case DT_ENUM:
case DT_CONST:
case DT_POINTER:
DEBUG_PrintBasic(value, 1, format);
break;
case DT_STRUCT:
DEBUG_nchar += DEBUG_Printf(DBG_CHN_MESG, "{");
for(m = value->type->un.structure.members; m; m = m->next)
{
val1 = *value;
DEBUG_FindStructElement(&val1, m->name, &xval);
DEBUG_nchar += DEBUG_Printf(DBG_CHN_MESG, "%s=", m->name);
DEBUG_Print(&val1, 1, format, level + 1);
if( m->next != NULL )
{
DEBUG_nchar += DEBUG_Printf(DBG_CHN_MESG, ", ");
}
if( DEBUG_nchar > DEBUG_maxchar )
{
DEBUG_Printf(DBG_CHN_MESG, "...}");
goto leave;
}
}
DEBUG_nchar += DEBUG_Printf(DBG_CHN_MESG, "}");
break;
case DT_ARRAY:
/*
* Loop over all of the entries, printing stuff as we go.
*/
size = DEBUG_GetObjectSize(value->type->un.array.basictype);
if( size == 1 )
{
/*
* Special handling for character arrays.
*/
pnt = (char *) value->addr.off;
DEBUG_nchar += DEBUG_Printf(DBG_CHN_MESG, "\"");
for( i=value->type->un.array.start; i < value->type->un.array.end; i++ )
{
DEBUG_Output(DBG_CHN_MESG, pnt++, 1);
DEBUG_nchar++;
if( DEBUG_nchar > DEBUG_maxchar )
{
DEBUG_Printf(DBG_CHN_MESG, "...\"");
goto leave;
}
}
DEBUG_nchar += DEBUG_Printf(DBG_CHN_MESG, "\"");
break;
}
val1 = *value;
val1.type = value->type->un.array.basictype;
DEBUG_nchar += DEBUG_Printf(DBG_CHN_MESG, "{");
for( i=value->type->un.array.start; i <= value->type->un.array.end; i++ )
{
DEBUG_Print(&val1, 1, format, level + 1);
val1.addr.off += size;
if( i == value->type->un.array.end )
{
DEBUG_nchar += DEBUG_Printf(DBG_CHN_MESG, "}");
}
else
{
DEBUG_nchar += DEBUG_Printf(DBG_CHN_MESG, ", ");
}
if( DEBUG_nchar > DEBUG_maxchar )
{
DEBUG_Printf(DBG_CHN_MESG, "...}");
goto leave;
}
}
break;
case DT_FUNC:
DEBUG_Printf(DBG_CHN_MESG, "Function at ???\n");
break;
default:
DEBUG_Printf(DBG_CHN_MESG, "Unknown type (%d)\n", value->type->type);
assert(FALSE);
break;
}
leave:
if( level == 0 )
{
DEBUG_nchar += DEBUG_Printf(DBG_CHN_MESG, "\n");
}
return;
}
int
DEBUG_DumpTypes(void)
{
struct datatype * dt = NULL;
struct member * m;
int hash;
int nm;
char * name;
char * member_name;
for(hash = 0; hash < NR_TYPE_HASH + 1; hash++)
{
for( dt = type_hash_table[hash]; dt; dt = dt->next )
{
name = "none";
if( dt->name != NULL )
{
name = dt->name;
}
switch(dt->type)
{
case DT_BASIC:
DEBUG_Printf(DBG_CHN_MESG, "0x%08lx - BASIC(%s)\n",
(unsigned long)dt, name);
break;
case DT_POINTER:
DEBUG_Printf(DBG_CHN_MESG, "0x%08lx - POINTER(%s)(%08lx)\n",
(unsigned long)dt, name, (unsigned long)dt->un.pointer.pointsto);
break;
case DT_STRUCT:
member_name = "none";
nm = 0;
if( dt->un.structure.members != NULL
&& dt->un.structure.members->name != NULL )
{
member_name = dt->un.structure.members->name;
for( m = dt->un.structure.members; m; m = m->next)
{
nm++;
}
}
DEBUG_Printf(DBG_CHN_MESG, "0x%08lx - STRUCT(%s) %d %d %s\n",
(unsigned long)dt, name, dt->un.structure.size, nm, member_name);
break;
case DT_ARRAY:
DEBUG_Printf(DBG_CHN_MESG, "0x%08lx - ARRAY(%s)(%08lx)\n",
(unsigned long)dt, name, (unsigned long)dt->un.array.basictype);
break;
case DT_ENUM:
DEBUG_Printf(DBG_CHN_MESG, "0x%08lx - ENUM(%s)\n",
(unsigned long)dt, name);
break;
case DT_BITFIELD:
DEBUG_Printf(DBG_CHN_MESG, "0x%08lx - BITFIELD(%s)\n",
(unsigned long)dt, name);
break;
case DT_FUNC:
DEBUG_Printf(DBG_CHN_MESG, "0x%08lx - FUNC(%s)(%08lx)\n",
(unsigned long)dt, name, (unsigned long)dt->un.funct.rettype);
break;
case DT_CONST:
case DT_TYPEDEF:
DEBUG_Printf(DBG_CHN_MESG, "What???\n");
break;
}
}
}
return TRUE;
}
enum debug_type DEBUG_GetType(struct datatype * dt)
{
return dt->type;
}
struct datatype *
DEBUG_TypeCast(enum debug_type type, const char * name)
{
int hash;
struct datatype * rtn;
/*
* The last bucket is special, and is used to hold typeless names.
*/
if( name == NULL )
{
hash = NR_TYPE_HASH;
}
else
{
hash = type_hash(name);
}
rtn = DEBUG_LookupDataType(type, hash, name);
return rtn;
}
int
DEBUG_PrintTypeCast(const struct datatype * dt)
{
const char* name = "none";
if( dt->name != NULL )
{
name = dt->name;
}
switch(dt->type)
{
case DT_BASIC:
DEBUG_Printf(DBG_CHN_MESG, "%s", name);
break;
case DT_POINTER:
DEBUG_PrintTypeCast(dt->un.pointer.pointsto);
DEBUG_Printf(DBG_CHN_MESG, "*");
break;
case DT_STRUCT:
DEBUG_Printf(DBG_CHN_MESG, "struct %s", name);
break;
case DT_ARRAY:
DEBUG_Printf(DBG_CHN_MESG, "%s[]", name);
break;
case DT_ENUM:
DEBUG_Printf(DBG_CHN_MESG, "enum %s", name);
break;
case DT_BITFIELD:
DEBUG_Printf(DBG_CHN_MESG, "unsigned %s", name);
break;
case DT_FUNC:
DEBUG_PrintTypeCast(dt->un.funct.rettype);
DEBUG_Printf(DBG_CHN_MESG, "(*%s)()", name);
break;
case DT_CONST:
case DT_TYPEDEF:
DEBUG_Printf(DBG_CHN_MESG, "What???\n");
break;
}
return TRUE;
}
int DEBUG_PrintType( const DBG_VALUE *value )
{
assert(value->cookie == DV_TARGET || value->cookie == DV_HOST);
if (!value->type)
{
DEBUG_Printf(DBG_CHN_MESG, "Unknown type\n");
return FALSE;
}
if (!DEBUG_PrintTypeCast(value->type))
return FALSE;
DEBUG_Printf(DBG_CHN_MESG, "\n");
return TRUE;
}
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