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Sweden-Number/dlls/dbghelp/msc.c

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/*
* File msc.c - read VC++ debug information from COFF and eventually
* from PDB files.
*
* Copyright (C) 1996, Eric Youngdale.
* Copyright (C) 1999-2000, Ulrich Weigand.
* Copyright (C) 2004-2005, Eric Pouech.
*
* 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 2.1 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
*/
/*
* Note - this handles reading debug information for 32 bit applications
* that run under Windows-NT for example. I doubt that this would work well
* for 16 bit applications, but I don't think it really matters since the
* file format is different, and we should never get in here in such cases.
*
* TODO:
* Get 16 bit CV stuff working.
* Add symbol size to internal symbol table.
*/
#include "config.h"
#include "wine/port.h"
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifndef PATH_MAX
#define PATH_MAX MAX_PATH
#endif
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "winternl.h"
#include "wine/exception.h"
#include "wine/debug.h"
#include "excpt.h"
#include "dbghelp_private.h"
#include "mscvpdb.h"
WINE_DEFAULT_DEBUG_CHANNEL(dbghelp_msc);
#define MAX_PATHNAME_LEN 1024
/*========================================================================
* Debug file access helper routines
*/
static WINE_EXCEPTION_FILTER(page_fault)
{
if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION)
return EXCEPTION_EXECUTE_HANDLER;
return EXCEPTION_CONTINUE_SEARCH;
}
static void dump(const void* ptr, unsigned len)
{
int i, j;
BYTE msg[128];
const char* hexof = "0123456789abcdef";
const BYTE* x = (const BYTE*)ptr;
for (i = 0; i < len; i += 16)
{
sprintf(msg, "%08x: ", i);
memset(msg + 10, ' ', 3 * 16 + 1 + 16);
for (j = 0; j < min(16, len - i); j++)
{
msg[10 + 3 * j + 0] = hexof[x[i + j] >> 4];
msg[10 + 3 * j + 1] = hexof[x[i + j] & 15];
msg[10 + 3 * j + 2] = ' ';
msg[10 + 3 * 16 + 1 + j] = (x[i + j] >= 0x20 && x[i + j] < 0x7f) ?
x[i + j] : '.';
}
msg[10 + 3 * 16] = ' ';
msg[10 + 3 * 16 + 1 + 16] = '\0';
FIXME("%s\n", msg);
}
}
/*========================================================================
* Process CodeView type information.
*/
#define MAX_BUILTIN_TYPES 0x0480
#define FIRST_DEFINABLE_TYPE 0x1000
static struct symt* cv_basic_types[MAX_BUILTIN_TYPES];
#define SymTagCVBitField (SymTagMax + 0x100)
struct codeview_bitfield
{
struct symt symt;
unsigned subtype;
unsigned bitposition;
unsigned bitlength;
};
struct cv_defined_module
{
BOOL allowed;
unsigned int num_defined_types;
struct symt** defined_types;
struct codeview_bitfield* bitfields;
unsigned num_bitfields;
unsigned used_bitfields;
};
/* FIXME: don't make it static */
#define CV_MAX_MODULES 32
static struct cv_defined_module cv_zmodules[CV_MAX_MODULES];
static struct cv_defined_module*cv_current_module;
static void codeview_init_basic_types(struct module* module)
{
/*
* These are the common builtin types that are used by VC++.
*/
cv_basic_types[T_NOTYPE] = NULL;
cv_basic_types[T_ABS] = NULL;
cv_basic_types[T_VOID] = &symt_new_basic(module, btVoid, "void", 0)->symt;
cv_basic_types[T_CHAR] = &symt_new_basic(module, btChar, "char", 1)->symt;
cv_basic_types[T_SHORT] = &symt_new_basic(module, btInt, "short int", 2)->symt;
cv_basic_types[T_LONG] = &symt_new_basic(module, btInt, "long int", 4)->symt;
cv_basic_types[T_QUAD] = &symt_new_basic(module, btInt, "long long int", 8)->symt;
cv_basic_types[T_UCHAR] = &symt_new_basic(module, btUInt, "unsigned char", 1)->symt;
cv_basic_types[T_USHORT] = &symt_new_basic(module, btUInt, "unsigned short", 2)->symt;
cv_basic_types[T_ULONG] = &symt_new_basic(module, btUInt, "unsigned long", 4)->symt;
cv_basic_types[T_UQUAD] = &symt_new_basic(module, btUInt, "unsigned long long", 8)->symt;
cv_basic_types[T_REAL32] = &symt_new_basic(module, btFloat, "float", 4)->symt;
cv_basic_types[T_REAL64] = &symt_new_basic(module, btFloat, "double", 8)->symt;
cv_basic_types[T_RCHAR] = &symt_new_basic(module, btInt, "signed char", 1)->symt;
cv_basic_types[T_WCHAR] = &symt_new_basic(module, btWChar, "wchar_t", 2)->symt;
cv_basic_types[T_INT4] = &symt_new_basic(module, btInt, "INT4", 4)->symt;
cv_basic_types[T_UINT4] = &symt_new_basic(module, btUInt, "UINT4", 4)->symt;
cv_basic_types[T_32PVOID] = &symt_new_pointer(module, cv_basic_types[T_VOID])->symt;
cv_basic_types[T_32PCHAR] = &symt_new_pointer(module, cv_basic_types[T_CHAR])->symt;
cv_basic_types[T_32PSHORT] = &symt_new_pointer(module, cv_basic_types[T_SHORT])->symt;
cv_basic_types[T_32PLONG] = &symt_new_pointer(module, cv_basic_types[T_LONG])->symt;
cv_basic_types[T_32PQUAD] = &symt_new_pointer(module, cv_basic_types[T_QUAD])->symt;
cv_basic_types[T_32PUCHAR] = &symt_new_pointer(module, cv_basic_types[T_UCHAR])->symt;
cv_basic_types[T_32PUSHORT] = &symt_new_pointer(module, cv_basic_types[T_USHORT])->symt;
cv_basic_types[T_32PULONG] = &symt_new_pointer(module, cv_basic_types[T_ULONG])->symt;
cv_basic_types[T_32PUQUAD] = &symt_new_pointer(module, cv_basic_types[T_UQUAD])->symt;
cv_basic_types[T_32PREAL32] = &symt_new_pointer(module, cv_basic_types[T_REAL32])->symt;
cv_basic_types[T_32PREAL64] = &symt_new_pointer(module, cv_basic_types[T_REAL64])->symt;
cv_basic_types[T_32PRCHAR] = &symt_new_pointer(module, cv_basic_types[T_RCHAR])->symt;
cv_basic_types[T_32PWCHAR] = &symt_new_pointer(module, cv_basic_types[T_WCHAR])->symt;
cv_basic_types[T_32PINT4] = &symt_new_pointer(module, cv_basic_types[T_INT4])->symt;
cv_basic_types[T_32PUINT4] = &symt_new_pointer(module, cv_basic_types[T_UINT4])->symt;
}
static int numeric_leaf(int* value, const unsigned short int* leaf)
{
unsigned short int type = *leaf++;
int length = 2;
if (type < LF_NUMERIC)
{
*value = type;
}
else
{
switch (type)
{
case LF_CHAR:
length += 1;
*value = *(const char*)leaf;
break;
case LF_SHORT:
length += 2;
*value = *(const short*)leaf;
break;
case LF_USHORT:
length += 2;
*value = *(const unsigned short*)leaf;
break;
case LF_LONG:
length += 4;
*value = *(const int*)leaf;
break;
case LF_ULONG:
length += 4;
*value = *(const unsigned int*)leaf;
break;
case LF_QUADWORD:
case LF_UQUADWORD:
FIXME("Unsupported numeric leaf type %04x\n", type);
length += 8;
*value = 0; /* FIXME */
break;
case LF_REAL32:
FIXME("Unsupported numeric leaf type %04x\n", type);
length += 4;
*value = 0; /* FIXME */
break;
case LF_REAL48:
FIXME("Unsupported numeric leaf type %04x\n", type);
length += 6;
*value = 0; /* FIXME */
break;
case LF_REAL64:
FIXME("Unsupported numeric leaf type %04x\n", type);
length += 8;
*value = 0; /* FIXME */
break;
case LF_REAL80:
FIXME("Unsupported numeric leaf type %04x\n", type);
length += 10;
*value = 0; /* FIXME */
break;
case LF_REAL128:
FIXME("Unsupported numeric leaf type %04x\n", type);
length += 16;
*value = 0; /* FIXME */
break;
case LF_COMPLEX32:
FIXME("Unsupported numeric leaf type %04x\n", type);
length += 4;
*value = 0; /* FIXME */
break;
case LF_COMPLEX64:
FIXME("Unsupported numeric leaf type %04x\n", type);
length += 8;
*value = 0; /* FIXME */
break;
case LF_COMPLEX80:
FIXME("Unsupported numeric leaf type %04x\n", type);
length += 10;
*value = 0; /* FIXME */
break;
case LF_COMPLEX128:
FIXME("Unsupported numeric leaf type %04x\n", type);
length += 16;
*value = 0; /* FIXME */
break;
case LF_VARSTRING:
FIXME("Unsupported numeric leaf type %04x\n", type);
length += 2 + *leaf;
*value = 0; /* FIXME */
break;
default:
FIXME("Unknown numeric leaf type %04x\n", type);
*value = 0;
break;
}
}
return length;
}
/* convert a pascal string (as stored in debug information) into
* a C string (null terminated).
*/
static const char* terminate_string(const struct p_string* p_name)
{
static char symname[256];
memcpy(symname, p_name->name, p_name->namelen);
symname[p_name->namelen] = '\0';
return (!*symname || strcmp(symname, "__unnamed") == 0) ? NULL : symname;
}
static struct symt* codeview_get_type(unsigned int typeno, BOOL allow_special)
{
struct symt* symt = NULL;
/*
* Convert Codeview type numbers into something we can grok internally.
* Numbers < FIRST_DEFINABLE_TYPE are all fixed builtin types.
* Numbers from FIRST_DEFINABLE_TYPE and up are all user defined (structs, etc).
*/
if (typeno < FIRST_DEFINABLE_TYPE)
{
if (typeno < MAX_BUILTIN_TYPES)
symt = cv_basic_types[typeno];
}
else
{
unsigned mod_index = typeno >> 24;
unsigned mod_typeno = typeno & 0x00FFFFFF;
struct cv_defined_module* mod;
mod = (mod_index == 0) ? cv_current_module : &cv_zmodules[mod_index];
if (mod_index >= CV_MAX_MODULES || !mod->allowed)
FIXME("Module of index %d isn't loaded yet (%x)\n", mod_index, typeno);
else
{
if (mod_typeno - FIRST_DEFINABLE_TYPE < mod->num_defined_types)
symt = mod->defined_types[mod_typeno - FIRST_DEFINABLE_TYPE];
}
}
if (!allow_special && symt && symt->tag == SymTagCVBitField)
FIXME("bitfields are only handled for UDTs\n");
if (!symt && typeno) FIXME("Returning NULL symt for type-id %x\n", typeno);
return symt;
}
static int codeview_add_type(unsigned int typeno, struct symt* dt)
{
if (typeno < FIRST_DEFINABLE_TYPE)
FIXME("What the heck\n");
if (!cv_current_module)
{
FIXME("Adding %x to non allowed module\n", typeno);
return FALSE;
}
if ((typeno >> 24) != 0)
FIXME("No module index while inserting type-id assumption is wrong %x\n",
typeno);
while (typeno - FIRST_DEFINABLE_TYPE >= cv_current_module->num_defined_types)
{
cv_current_module->num_defined_types += 0x100;
if (cv_current_module->defined_types)
cv_current_module->defined_types = (struct symt**)
HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
cv_current_module->defined_types,
cv_current_module->num_defined_types * sizeof(struct symt*));
else
cv_current_module->defined_types = (struct symt**)
HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
cv_current_module->num_defined_types * sizeof(struct symt*));
if (cv_current_module->defined_types == NULL) return FALSE;
}
cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] = dt;
return TRUE;
}
static void codeview_clear_type_table(void)
{
int i;
for (i = 0; i < CV_MAX_MODULES; i++)
{
if (cv_zmodules[i].allowed && cv_zmodules[i].defined_types)
HeapFree(GetProcessHeap(), 0, cv_zmodules[i].defined_types);
cv_zmodules[i].allowed = FALSE;
cv_zmodules[i].defined_types = NULL;
cv_zmodules[i].num_defined_types = 0;
HeapFree(GetProcessHeap(), 0, cv_zmodules[i].bitfields);
cv_zmodules[i].bitfields = NULL;
cv_zmodules[i].num_bitfields = cv_zmodules[i].used_bitfields = 0;
}
cv_current_module = NULL;
}
static int codeview_add_type_pointer(struct module* module, unsigned int typeno,
unsigned int datatype)
{
struct symt* symt = &symt_new_pointer(module,
codeview_get_type(datatype, FALSE))->symt;
return codeview_add_type(typeno, symt);
}
static int codeview_add_type_array(struct module* module,
unsigned int typeno, const char* name,
unsigned int elemtype, unsigned int arr_len)
{
struct symt* symt;
struct symt* elem = codeview_get_type(elemtype, FALSE);
DWORD arr_max = 0;
if (elem)
{
DWORD elem_size;
symt_get_info(elem, TI_GET_LENGTH, &elem_size);
if (elem_size) arr_max = arr_len / elem_size;
}
symt = &symt_new_array(module, 0, arr_max, elem)->symt;
return codeview_add_type(typeno, symt);
}
static int codeview_add_type_bitfield(unsigned int typeno, unsigned int bitoff,
unsigned int nbits, unsigned int basetype)
{
if (cv_current_module->used_bitfields >= cv_current_module->num_bitfields)
{
if (cv_current_module->bitfields)
{
cv_current_module->num_bitfields *= 2;
cv_current_module->bitfields =
HeapReAlloc(GetProcessHeap(), 0,
cv_current_module->bitfields,
cv_current_module->num_bitfields * sizeof(struct codeview_bitfield));
}
else
{
cv_current_module->num_bitfields = 64;
cv_current_module->bitfields =
HeapAlloc(GetProcessHeap(), 0,
cv_current_module->num_bitfields * sizeof(struct codeview_bitfield));
}
if (!cv_current_module->bitfields) return 0;
}
cv_current_module->bitfields[cv_current_module->used_bitfields].symt.tag = SymTagCVBitField;
cv_current_module->bitfields[cv_current_module->used_bitfields].subtype = basetype;
cv_current_module->bitfields[cv_current_module->used_bitfields].bitposition = bitoff;
cv_current_module->bitfields[cv_current_module->used_bitfields].bitlength = nbits;
return codeview_add_type(typeno, &cv_current_module->bitfields[cv_current_module->used_bitfields++].symt);
}
static int codeview_add_type_enum_field_list(struct module* module,
unsigned int typeno,
const unsigned char* list, int len)
{
struct symt_enum* symt;
const unsigned char* ptr = list;
symt = symt_new_enum(module, NULL);
while (ptr - list < len)
{
const union codeview_fieldtype* type = (const union codeview_fieldtype*)ptr;
if (*ptr >= 0xf0) /* LF_PAD... */
{
ptr += *ptr & 0x0f;
continue;
}
switch (type->generic.id)
{
case LF_ENUMERATE_V1:
{
int value, vlen = numeric_leaf(&value, &type->enumerate_v1.value);
const struct p_string* p_name = (const struct p_string*)((const unsigned char*)&type->enumerate_v1.value + vlen);
symt_add_enum_element(module, symt, terminate_string(p_name), value);
ptr += 2 + 2 + vlen + (1 + p_name->namelen);
break;
}
case LF_ENUMERATE_V3:
{
int value, vlen = numeric_leaf(&value, &type->enumerate_v3.value);
const char* name = (const char*)&type->enumerate_v3.value + vlen;
symt_add_enum_element(module, symt, name, value);
ptr += 2 + 2 + vlen + (1 + strlen(name));
break;
}
default:
FIXME("Unsupported type %04x in ENUM field list\n", type->generic.id);
return FALSE;
}
}
return codeview_add_type(typeno, &symt->symt);
}
static int codeview_add_type_struct_field_list(struct module* module,
unsigned int typeno,
const unsigned char* list, int len)
{
struct symt_udt* symt;
const unsigned char* ptr = list;
int value, leaf_len;
const struct p_string* p_name;
const char* c_name;
struct symt* subtype;
symt = symt_new_udt(module, NULL, 0, UdtStruct /* don't care */);
while (ptr - list < len)
{
const union codeview_fieldtype* type = (const union codeview_fieldtype*)ptr;
if (*ptr >= 0xf0) /* LF_PAD... */
{
ptr +=* ptr & 0x0f;
continue;
}
switch (type->generic.id)
{
case LF_BCLASS_V1:
leaf_len = numeric_leaf(&value, &type->bclass_v1.offset);
/* FIXME: ignored for now */
ptr += 2 + 2 + 2 + leaf_len;
break;
case LF_BCLASS_V2:
leaf_len = numeric_leaf(&value, &type->bclass_v2.offset);
/* FIXME: ignored for now */
ptr += 2 + 2 + 4 + leaf_len;
break;
case LF_VBCLASS_V1:
case LF_IVBCLASS_V1:
{
const unsigned short int* p_vboff;
int vpoff, vplen;
leaf_len = numeric_leaf(&value, &type->vbclass_v1.vbpoff);
p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v1.vbpoff + leaf_len);
vplen = numeric_leaf(&vpoff, p_vboff);
/* FIXME: ignored for now */
ptr += 2 + 2 + 2 + 2 + leaf_len + vplen;
}
break;
case LF_VBCLASS_V2:
case LF_IVBCLASS_V2:
{
const unsigned short int* p_vboff;
int vpoff, vplen;
leaf_len = numeric_leaf(&value, &type->vbclass_v2.vbpoff);
p_vboff = (const unsigned short int*)((const char*)&type->vbclass_v2.vbpoff + leaf_len);
vplen = numeric_leaf(&vpoff, p_vboff);
/* FIXME: ignored for now */
ptr += 2 + 2 + 4 + 4 + leaf_len + vplen;
}
break;
case LF_MEMBER_V1:
leaf_len = numeric_leaf(&value, &type->member_v1.offset);
p_name = (const struct p_string*)((const char*)&type->member_v1.offset + leaf_len);
subtype = codeview_get_type(type->member_v1.type, TRUE);
if (!subtype || subtype->tag != SymTagCVBitField)
{
DWORD elem_size = 0;
if (subtype) symt_get_info(subtype, TI_GET_LENGTH, &elem_size);
symt_add_udt_element(module, symt, terminate_string(p_name),
codeview_get_type(type->member_v1.type, TRUE),
value << 3, elem_size << 3);
}
else
{
struct codeview_bitfield* cvbf = (struct codeview_bitfield*)subtype;
symt_add_udt_element(module, symt, terminate_string(p_name),
codeview_get_type(cvbf->subtype, FALSE),
cvbf->bitposition, cvbf->bitlength);
}
ptr += 2 + 2 + 2 + leaf_len + (1 + p_name->namelen);
break;
case LF_MEMBER_V2:
leaf_len = numeric_leaf(&value, &type->member_v2.offset);
p_name = (const struct p_string*)((const unsigned char*)&type->member_v2.offset + leaf_len);
subtype = codeview_get_type(type->member_v2.type, TRUE);
if (!subtype || subtype->tag != SymTagCVBitField)
{
DWORD elem_size = 0;
if (subtype) symt_get_info(subtype, TI_GET_LENGTH, &elem_size);
symt_add_udt_element(module, symt, terminate_string(p_name),
subtype, value << 3, elem_size << 3);
}
else
{
struct codeview_bitfield* cvbf = (struct codeview_bitfield*)subtype;
symt_add_udt_element(module, symt, terminate_string(p_name),
codeview_get_type(cvbf->subtype, FALSE),
cvbf->bitposition, cvbf->bitlength);
}
ptr += 2 + 2 + 4 + leaf_len + (1 + p_name->namelen);
break;
case LF_MEMBER_V3:
leaf_len = numeric_leaf(&value, &type->member_v3.offset);
c_name = (const char*)&type->member_v3.offset + leaf_len;
subtype = codeview_get_type(type->member_v3.type, TRUE);
if (!subtype || subtype->tag != SymTagCVBitField)
{
DWORD elem_size = 0;
if (subtype) symt_get_info(subtype, TI_GET_LENGTH, &elem_size);
symt_add_udt_element(module, symt, c_name,
subtype, value << 3, elem_size << 3);
}
else
{
struct codeview_bitfield* cvbf = (struct codeview_bitfield*)subtype;
symt_add_udt_element(module, symt, c_name,
codeview_get_type(cvbf->subtype, FALSE),
cvbf->bitposition, cvbf->bitlength);
}
ptr += 2 + 2 + 4 + leaf_len + (strlen(c_name) + 1);
break;
case LF_STMEMBER_V1:
/* FIXME: ignored for now */
ptr += 2 + 2 + 2 + (1 + type->stmember_v1.p_name.namelen);
break;
case LF_STMEMBER_V2:
/* FIXME: ignored for now */
ptr += 2 + 4 + 2 + (1 + type->stmember_v2.p_name.namelen);
break;
case LF_METHOD_V1:
/* FIXME: ignored for now */
ptr += 2 + 2 + 2 + (1 + type->method_v1.p_name.namelen);
break;
case LF_METHOD_V2:
/* FIXME: ignored for now */
ptr += 2 + 2 + 4 + (1 + type->method_v2.p_name.namelen);
break;
case LF_NESTTYPE_V1:
/* FIXME: ignored for now */
ptr += 2 + 2 + (1 + type->nesttype_v1.p_name.namelen);
break;
case LF_NESTTYPE_V2:
/* FIXME: ignored for now */
ptr += 2 + 2 + 4 + (1 + type->nesttype_v2.p_name.namelen);
break;
case LF_VFUNCTAB_V1:
/* FIXME: ignored for now */
ptr += 2 + 2;
break;
case LF_VFUNCTAB_V2:
/* FIXME: ignored for now */
ptr += 2 + 2 + 4;
break;
case LF_ONEMETHOD_V1:
/* FIXME: ignored for now */
switch ((type->onemethod_v1.attribute >> 2) & 7)
{
case 4: case 6: /* (pure) introducing virtual method */
ptr += 2 + 2 + 2 + 4 + (1 + type->onemethod_virt_v1.p_name.namelen);
break;
default:
ptr += 2 + 2 + 2 + (1 + type->onemethod_v1.p_name.namelen);
break;
}
break;
case LF_ONEMETHOD_V2:
/* FIXME: ignored for now */
switch ((type->onemethod_v2.attribute >> 2) & 7)
{
case 4: case 6: /* (pure) introducing virtual method */
ptr += 2 + 2 + 4 + 4 + (1 + type->onemethod_virt_v2.p_name.namelen);
break;
default:
ptr += 2 + 2 + 4 + (1 + type->onemethod_v2.p_name.namelen);
break;
}
break;
default:
FIXME("Unsupported type %04x in STRUCT field list\n", type->generic.id);
return FALSE;
}
}
return codeview_add_type(typeno, &symt->symt);
}
static int codeview_add_type_enum(struct module* module, unsigned int typeno,
const char* name, unsigned int fieldlist)
{
struct symt_enum* symt = symt_new_enum(module, name);
struct symt* list = codeview_get_type(fieldlist, FALSE);
/* FIXME: this is rather ugly !!! */
if (list) symt->vchildren = ((struct symt_enum*)list)->vchildren;
return codeview_add_type(typeno, &symt->symt);
}
static int codeview_add_type_struct(struct module* module, unsigned int typeno,
const char* name, int structlen,
unsigned int fieldlist, enum UdtKind kind)
{
struct symt_udt* symt = symt_new_udt(module, name, structlen, kind);
struct symt* list = codeview_get_type(fieldlist, FALSE);
/* FIXME: this is rather ugly !!! */
if (list) symt->vchildren = ((struct symt_udt*)list)->vchildren;
return codeview_add_type(typeno, &symt->symt);
}
static int codeview_new_func_signature(struct module* module, unsigned typeno,
unsigned ret_type)
{
struct symt* symt;
symt = &symt_new_function_signature(module,
codeview_get_type(ret_type, FALSE))->symt;
return codeview_add_type(typeno, symt);
}
static int codeview_parse_type_table(struct module* module, const char* table,
int len)
{
unsigned int curr_type = 0x1000;
const char* ptr = table;
int retv;
const union codeview_type* type;
int value, leaf_len;
const struct p_string* p_name;
const char* c_name;
while (ptr - table < len)
{
retv = TRUE;
type = (const union codeview_type*)ptr;
switch (type->generic.id)
{
case LF_MODIFIER_V1:
/* FIXME: we don't handle modifiers,
* but readd previous type on the curr_type
*/
WARN("Modifier on %x: %s%s%s%s\n",
type->modifier_v1.type,
type->modifier_v1.attribute & 0x01 ? "const " : "",
type->modifier_v1.attribute & 0x02 ? "volatile " : "",
type->modifier_v1.attribute & 0x04 ? "unaligned " : "",
type->modifier_v1.attribute & ~0x07 ? "unknown " : "");
codeview_add_type(curr_type,
codeview_get_type(type->modifier_v1.type, FALSE));
break;
case LF_MODIFIER_V2:
/* FIXME: we don't handle modifiers, but readd previous type on the curr_type */
WARN("Modifier on %x: %s%s%s%s\n",
type->modifier_v2.type,
type->modifier_v2.attribute & 0x01 ? "const " : "",
type->modifier_v2.attribute & 0x02 ? "volatile " : "",
type->modifier_v2.attribute & 0x04 ? "unaligned " : "",
type->modifier_v2.attribute & ~0x07 ? "unknown " : "");
codeview_add_type(curr_type,
codeview_get_type(type->modifier_v2.type, FALSE));
break;
case LF_POINTER_V1:
retv = codeview_add_type_pointer(module, curr_type,
type->pointer_v1.datatype);
break;
case LF_POINTER_V2:
retv = codeview_add_type_pointer(module, curr_type,
type->pointer_v2.datatype);
break;
case LF_ARRAY_V1:
leaf_len = numeric_leaf(&value, &type->array_v1.arrlen);
p_name = (const struct p_string*)((const unsigned char*)&type->array_v1.arrlen + leaf_len);
retv = codeview_add_type_array(module, curr_type, terminate_string(p_name),
type->array_v1.elemtype, value);
break;
case LF_ARRAY_V2:
leaf_len = numeric_leaf(&value, &type->array_v2.arrlen);
p_name = (const struct p_string*)((const unsigned char*)&type->array_v2.arrlen + leaf_len);
retv = codeview_add_type_array(module, curr_type, terminate_string(p_name),
type->array_v2.elemtype, value);
break;
case LF_ARRAY_V3:
leaf_len = numeric_leaf(&value, &type->array_v3.arrlen);
c_name = (const char*)&type->array_v3.arrlen + leaf_len;
retv = codeview_add_type_array(module, curr_type, c_name,
type->array_v3.elemtype, value);
break;
case LF_BITFIELD_V1:
/* a bitfield is a CodeView specific data type which represent a bitfield
* in a structure or a class. For now, we store it in a SymTag-like type
* (so that the rest of the process is seamless), but check at udt
* inclusion type for its presence
*/
retv = codeview_add_type_bitfield(curr_type, type->bitfield_v1.bitoff,
type->bitfield_v1.nbits,
type->bitfield_v1.type);
break;
case LF_BITFIELD_V2:
retv = codeview_add_type_bitfield(curr_type, type->bitfield_v2.bitoff,
type->bitfield_v2.nbits,
type->bitfield_v2.type);
break;
case LF_FIELDLIST_V1:
case LF_FIELDLIST_V2:
{
/*
* A 'field list' is a CodeView-specific data type which doesn't
* directly correspond to any high-level data type. It is used
* to hold the collection of members of a struct, class, union
* or enum type. The actual definition of that type will follow
* later, and refer to the field list definition record.
*
* As we don't have a field list type ourselves, we look ahead
* in the field list to try to find out whether this field list
* will be used for an enum or struct type, and create a dummy
* type of the corresponding sort. Later on, the definition of
* the 'real' type will copy the member / enumeration data.
*/
const char* list = type->fieldlist.list;
int len = (ptr + type->generic.len + 2) - list;
if (((const union codeview_fieldtype*)list)->generic.id == LF_ENUMERATE_V1 ||
((const union codeview_fieldtype*)list)->generic.id == LF_ENUMERATE_V3)
retv = codeview_add_type_enum_field_list(module, curr_type, list, len);
else
retv = codeview_add_type_struct_field_list(module, curr_type, list, len);
}
break;
case LF_STRUCTURE_V1:
case LF_CLASS_V1:
leaf_len = numeric_leaf(&value, &type->struct_v1.structlen);
p_name = (const struct p_string*)((const unsigned char*)&type->struct_v1.structlen + leaf_len);
retv = codeview_add_type_struct(module, curr_type, terminate_string(p_name),
value, type->struct_v1.fieldlist,
type->generic.id == LF_CLASS_V1 ? UdtClass : UdtStruct);
break;
case LF_STRUCTURE_V2:
case LF_CLASS_V2:
leaf_len = numeric_leaf(&value, &type->struct_v2.structlen);
p_name = (const struct p_string*)((const unsigned char*)&type->struct_v2.structlen + leaf_len);
retv = codeview_add_type_struct(module, curr_type, terminate_string(p_name),
value, type->struct_v2.fieldlist,
type->generic.id == LF_CLASS_V2 ? UdtClass : UdtStruct);
break;
case LF_STRUCTURE_V3:
case LF_CLASS_V3:
leaf_len = numeric_leaf(&value, &type->struct_v3.structlen);
c_name = (const char*)&type->struct_v3.structlen + leaf_len;
retv = codeview_add_type_struct(module, curr_type, c_name,
value, type->struct_v3.fieldlist,
type->generic.id == LF_CLASS_V3 ? UdtClass : UdtStruct);
break;
case LF_UNION_V1:
leaf_len = numeric_leaf(&value, &type->union_v1.un_len);
p_name = (const struct p_string*)((const unsigned char*)&type->union_v1.un_len + leaf_len);
retv = codeview_add_type_struct(module, curr_type, terminate_string(p_name),
value, type->union_v1.fieldlist, UdtUnion);
break;
case LF_UNION_V2:
leaf_len = numeric_leaf(&value, &type->union_v2.un_len);
p_name = (const struct p_string*)((const unsigned char*)&type->union_v2.un_len + leaf_len);
retv = codeview_add_type_struct(module, curr_type, terminate_string(p_name),
value, type->union_v2.fieldlist, UdtUnion);
break;
case LF_UNION_V3:
leaf_len = numeric_leaf(&value, &type->union_v3.un_len);
c_name = (const char*)&type->union_v3.un_len + leaf_len;
retv = codeview_add_type_struct(module, curr_type, c_name,
value, type->union_v3.fieldlist, UdtUnion);
case LF_ENUM_V1:
retv = codeview_add_type_enum(module, curr_type, terminate_string(&type->enumeration_v1.p_name),
type->enumeration_v1.field);
break;
case LF_ENUM_V2:
retv = codeview_add_type_enum(module, curr_type, terminate_string(&type->enumeration_v2.p_name),
type->enumeration_v2.field);
break;
case LF_ENUM_V3:
retv = codeview_add_type_enum(module, curr_type, type->enumeration_v3.name,
type->enumeration_v3.field);
break;
case LF_PROCEDURE_V1:
retv = codeview_new_func_signature(module, curr_type,
type->procedure_v1.rvtype);
break;
case LF_PROCEDURE_V2:
retv = codeview_new_func_signature(module, curr_type,
type->procedure_v2.rvtype);
break;
case LF_MFUNCTION_V1:
/* FIXME: for C++, this is plain wrong, but as we don't use arg types
* nor class information, this would just do for now
*/
retv = codeview_new_func_signature(module, curr_type,
type->mfunction_v1.rvtype);
break;
case LF_MFUNCTION_V2:
/* FIXME: for C++, this is plain wrong, but as we don't use arg types
* nor class information, this would just do for now
*/
retv = codeview_new_func_signature(module, curr_type,
type->mfunction_v2.rvtype);
break;
case LF_ARGLIST_V1:
case LF_ARGLIST_V2:
{
static int once;
if (!once++)
FIXME("Not adding parameters' types to function signature\n");
}
break;
default:
FIXME("Unsupported type-id leaf %x\n", type->generic.id);
dump(type, 2 + type->generic.len);
break;
}
if (!retv) return FALSE;
curr_type++;
ptr += type->generic.len + 2;
}
return TRUE;
}
/*========================================================================
* Process CodeView line number information.
*/
static struct codeview_linetab* codeview_snarf_linetab(struct module* module,
const char* linetab, int size,
BOOL pascal_str)
{
int file_segcount;
char filename[PATH_MAX];
const unsigned int* filetab;
const struct p_string* p_fn;
int i;
int k;
struct codeview_linetab* lt_hdr;
const unsigned int* lt_ptr;
int nfile;
int nseg;
union any_size pnt;
union any_size pnt2;
const struct startend* start;
int this_seg;
struct symt_compiland* compiland;
/*
* Now get the important bits.
*/
pnt.c = linetab;
nfile = *pnt.s++;
nseg = *pnt.s++;
filetab = (const unsigned int*) pnt.c;
/*
* Now count up the number of segments in the file.
*/
nseg = 0;
for (i = 0; i < nfile; i++)
{
pnt2.c = linetab + filetab[i];
nseg += *pnt2.s;
}
/*
* Next allocate the header we will be returning.
* There is one header for each segment, so that we can reach in
* and pull bits as required.
*/
lt_hdr = (struct codeview_linetab*)
HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (nseg + 1) * sizeof(*lt_hdr));
if (lt_hdr == NULL)
{
goto leave;
}
/*
* Now fill the header we will be returning, one for each segment.
* Note that this will basically just contain pointers into the existing
* line table, and we do not actually copy any additional information
* or allocate any additional memory.
*/
this_seg = 0;
for (i = 0; i < nfile; i++)
{
/*
* Get the pointer into the segment information.
*/
pnt2.c = linetab + filetab[i];
file_segcount = *pnt2.s;
pnt2.ui++;
lt_ptr = (const unsigned int*) pnt2.c;
start = (const struct startend*)(lt_ptr + file_segcount);
/*
* Now snarf the filename for all of the segments for this file.
*/
if (pascal_str)
{
p_fn = (const struct p_string*)(start + file_segcount);
memset(filename, 0, sizeof(filename));
memcpy(filename, p_fn->name, p_fn->namelen);
compiland = symt_new_compiland(module, filename);
}
else
compiland = symt_new_compiland(module, (const char*)(start + file_segcount));
for (k = 0; k < file_segcount; k++, this_seg++)
{
pnt2.c = linetab + lt_ptr[k];
lt_hdr[this_seg].start = start[k].start;
lt_hdr[this_seg].end = start[k].end;
lt_hdr[this_seg].compiland = compiland;
lt_hdr[this_seg].segno = *pnt2.s++;
lt_hdr[this_seg].nline = *pnt2.s++;
lt_hdr[this_seg].offtab = pnt2.ui;
lt_hdr[this_seg].linetab = (const unsigned short*)(pnt2.ui + lt_hdr[this_seg].nline);
}
}
leave:
return lt_hdr;
}
/*========================================================================
* Process CodeView symbol information.
*/
static unsigned int codeview_map_offset(const struct msc_debug_info* msc_dbg,
unsigned int offset)
{
int nomap = msc_dbg->nomap;
const OMAP_DATA* omapp = msc_dbg->omapp;
int i;
if (!nomap || !omapp) return offset;
/* FIXME: use binary search */
for (i = 0; i < nomap - 1; i++)
if (omapp[i].from <= offset && omapp[i+1].from > offset)
return !omapp[i].to ? 0 : omapp[i].to + (offset - omapp[i].from);
return 0;
}
static const struct codeview_linetab*
codeview_get_linetab(const struct codeview_linetab* linetab,
unsigned seg, unsigned offset)
{
/*
* Check whether we have line number information
*/
if (linetab)
{
for (; linetab->linetab; linetab++)
if (linetab->segno == seg &&
linetab->start <= offset && linetab->end > offset)
break;
if (!linetab->linetab) linetab = NULL;
}
return linetab;
}
static unsigned codeview_get_address(const struct msc_debug_info* msc_dbg,
unsigned seg, unsigned offset)
{
int nsect = msc_dbg->nsect;
const IMAGE_SECTION_HEADER* sectp = msc_dbg->sectp;
if (!seg || seg > nsect) return 0;
return msc_dbg->module->module.BaseOfImage +
codeview_map_offset(msc_dbg, sectp[seg-1].VirtualAddress + offset);
}
static void codeview_add_func_linenum(struct module* module,
struct symt_function* func,
const struct codeview_linetab* linetab,
unsigned offset, unsigned size)
{
unsigned int i;
if (!linetab) return;
for (i = 0; i < linetab->nline; i++)
{
if (linetab->offtab[i] >= offset && linetab->offtab[i] < offset + size)
{
symt_add_func_line(module, func, linetab->compiland->source,
linetab->linetab[i], linetab->offtab[i] - offset);
}
}
}
static int codeview_snarf(const struct msc_debug_info* msc_dbg, const BYTE* root,
int offset, int size,
struct codeview_linetab* linetab)
{
struct symt_function* curr_func = NULL;
int i, length;
const struct codeview_linetab* flt;
struct symt_block* block = NULL;
struct symt* symt;
const char* name;
/*
* Loop over the different types of records and whenever we
* find something we are interested in, record it and move on.
*/
for (i = offset; i < size; i += length)
{
const union codeview_symbol* sym = (const union codeview_symbol*)(root + i);
length = sym->generic.len + 2;
if (i + length > size) break;
if (length & 3) FIXME("unpadded len %u\n", length);
switch (sym->generic.id)
{
/*
* Global and local data symbols. We don't associate these
* with any given source file.
*/
case S_GDATA_V1:
case S_LDATA_V1:
flt = codeview_get_linetab(linetab, sym->data_v1.segment, sym->data_v1.offset);
symt_new_global_variable(msc_dbg->module,
flt ? flt->compiland : NULL,
terminate_string(&sym->data_v1.p_name), sym->generic.id == S_LDATA_V1,
codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset),
0,
codeview_get_type(sym->data_v1.symtype, FALSE));
break;
case S_GDATA_V2:
case S_LDATA_V2:
flt = codeview_get_linetab(linetab, sym->data_v2.segment, sym->data_v2.offset);
name = terminate_string(&sym->data_v2.p_name);
if (name)
symt_new_global_variable(msc_dbg->module, flt ? flt->compiland : NULL,
name, sym->generic.id == S_LDATA_V2,
codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset),
0,
codeview_get_type(sym->data_v2.symtype, FALSE));
break;
case S_GDATA_V3:
case S_LDATA_V3:
flt = codeview_get_linetab(linetab, sym->data_v3.segment, sym->data_v3.offset);
if (*sym->data_v3.name)
symt_new_global_variable(msc_dbg->module, flt ? flt->compiland : NULL,
sym->data_v3.name,
sym->generic.id == S_LDATA_V3,
codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
0,
codeview_get_type(sym->data_v3.symtype, FALSE));
break;
case S_PUB_V1: /* FIXME is this really a 'data_v1' structure ?? */
if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
{
flt = codeview_get_linetab(linetab, sym->data_v1.segment, sym->data_v1.offset);
symt_new_public(msc_dbg->module, flt ? flt->compiland : NULL,
terminate_string(&sym->data_v1.p_name),
codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset),
0, TRUE /* FIXME */, TRUE /* FIXME */);
}
break;
case S_PUB_V2: /* FIXME is this really a 'data_v2' structure ?? */
if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
{
flt = codeview_get_linetab(linetab, sym->data_v2.segment, sym->data_v2.offset);
symt_new_public(msc_dbg->module, flt ? flt->compiland : NULL,
terminate_string(&sym->data_v2.p_name),
codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset),
0, TRUE /* FIXME */, TRUE /* FIXME */);
}
break;
/*
* Sort of like a global function, but it just points
* to a thunk, which is a stupid name for what amounts to
* a PLT slot in the normal jargon that everyone else uses.
*/
case S_THUNK_V1:
flt = codeview_get_linetab(linetab, sym->thunk_v1.segment, sym->thunk_v1.offset);
symt_new_thunk(msc_dbg->module, flt ? flt->compiland : NULL,
terminate_string(&sym->thunk_v1.p_name), sym->thunk_v1.thtype,
codeview_get_address(msc_dbg, sym->thunk_v1.segment, sym->thunk_v1.offset),
sym->thunk_v1.thunk_len);
break;
case S_THUNK_V3:
flt = codeview_get_linetab(linetab, sym->thunk_v3.segment, sym->thunk_v3.offset);
symt_new_thunk(msc_dbg->module, flt ? flt->compiland : NULL,
sym->thunk_v3.name, sym->thunk_v3.thtype,
codeview_get_address(msc_dbg, sym->thunk_v3.segment, sym->thunk_v3.offset),
sym->thunk_v3.thunk_len);
break;
/*
* Global and static functions.
*/
case S_GPROC_V1:
case S_LPROC_V1:
flt = codeview_get_linetab(linetab, sym->proc_v1.segment, sym->proc_v1.offset);
if (curr_func) FIXME("nested function\n");
curr_func = symt_new_function(msc_dbg->module,
flt ? flt->compiland : NULL,
terminate_string(&sym->proc_v1.p_name),
codeview_get_address(msc_dbg, sym->proc_v1.segment, sym->proc_v1.offset),
sym->proc_v1.proc_len,
codeview_get_type(sym->proc_v1.proctype, FALSE));
codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
sym->proc_v1.offset, sym->proc_v1.proc_len);
symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, sym->proc_v1.debug_start, NULL);
symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, sym->proc_v1.debug_end, NULL);
break;
case S_GPROC_V2:
case S_LPROC_V2:
flt = codeview_get_linetab(linetab, sym->proc_v2.segment, sym->proc_v2.offset);
if (curr_func) FIXME("nested function\n");
curr_func = symt_new_function(msc_dbg->module,
flt ? flt->compiland : NULL,
terminate_string(&sym->proc_v2.p_name),
codeview_get_address(msc_dbg, sym->proc_v2.segment, sym->proc_v2.offset),
sym->proc_v2.proc_len,
codeview_get_type(sym->proc_v2.proctype, FALSE));
codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
sym->proc_v2.offset, sym->proc_v2.proc_len);
symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, sym->proc_v2.debug_start, NULL);
symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, sym->proc_v2.debug_end, NULL);
break;
case S_GPROC_V3:
case S_LPROC_V3:
flt = codeview_get_linetab(linetab, sym->proc_v3.segment, sym->proc_v3.offset);
if (curr_func) FIXME("nested function\n");
curr_func = symt_new_function(msc_dbg->module,
flt ? flt->compiland : NULL,
sym->proc_v3.name,
codeview_get_address(msc_dbg, sym->proc_v3.segment, sym->proc_v3.offset),
sym->proc_v3.proc_len,
codeview_get_type(sym->proc_v3.proctype, FALSE));
codeview_add_func_linenum(msc_dbg->module, curr_func, flt,
sym->proc_v3.offset, sym->proc_v3.proc_len);
symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, sym->proc_v3.debug_start, NULL);
symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, sym->proc_v3.debug_end, NULL);
break;
/*
* Function parameters and stack variables.
*/
case S_BPREL_V1:
symt_add_func_local(msc_dbg->module, curr_func, 0, sym->stack_v1.offset,
block, codeview_get_type(sym->stack_v1.symtype, FALSE),
terminate_string(&sym->stack_v1.p_name));
break;
case S_BPREL_V2:
symt_add_func_local(msc_dbg->module, curr_func, 0, sym->stack_v2.offset,
block, codeview_get_type(sym->stack_v2.symtype, FALSE),
terminate_string(&sym->stack_v2.p_name));
break;
case S_BPREL_V3:
symt_add_func_local(msc_dbg->module, curr_func, 0, sym->stack_v3.offset,
block, codeview_get_type(sym->stack_v3.symtype, FALSE),
sym->stack_v3.name);
break;
case S_REGISTER_V1:
symt_add_func_local(msc_dbg->module, curr_func, 0, sym->register_v1.reg,
block, codeview_get_type(sym->register_v1.type, FALSE),
terminate_string(&sym->register_v1.p_name));
break;
case S_REGISTER_V2:
symt_add_func_local(msc_dbg->module, curr_func, 0, sym->register_v2.reg,
block, codeview_get_type(sym->register_v2.type, FALSE),
terminate_string(&sym->register_v2.p_name));
break;
case S_BLOCK_V1:
block = symt_open_func_block(msc_dbg->module, curr_func, block,
codeview_get_address(msc_dbg, sym->block_v1.segment, sym->block_v1.offset),
sym->block_v1.length);
break;
case S_BLOCK_V3:
block = symt_open_func_block(msc_dbg->module, curr_func, block,
codeview_get_address(msc_dbg, sym->block_v3.segment, sym->block_v3.offset),
sym->block_v3.length);
break;
case S_END_V1:
if (block)
{
block = symt_close_func_block(msc_dbg->module, curr_func, block, 0);
}
else if (curr_func)
{
symt_normalize_function(msc_dbg->module, curr_func);
curr_func = NULL;
}
break;
/* FIXME: we should use this as a compiland, instead of guessing it on the fly */
case S_COMPILAND_V1:
TRACE("S-Compiland-V1e %x %s\n",
sym->compiland_v1.unknown,
terminate_string(&sym->compiland_v1.p_name));
break;
case S_COMPILAND_V2:
TRACE("S-Compiland-V2 %s\n",
terminate_string(&sym->compiland_v2.p_name));
if (TRACE_ON(dbghelp_msc))
{
const char* ptr1 = sym->compiland_v2.p_name.name + sym->compiland_v2.p_name.namelen;
const char* ptr2;
while (*ptr1)
{
ptr2 = ptr1 + strlen(ptr1) + 1;
TRACE("\t%s => %s\n", ptr1, ptr2);
ptr1 = ptr2 + strlen(ptr2) + 1;
}
}
break;
case S_COMPILAND_V3:
TRACE("S-Compiland-V3 %s\n", sym->compiland_v3.name);
if (TRACE_ON(dbghelp_msc))
{
const char* ptr1 = sym->compiland_v3.name + strlen(sym->compiland_v3.name);
const char* ptr2;
while (*ptr1)
{
ptr2 = ptr1 + strlen(ptr1) + 1;
TRACE("\t%s => %s\n", ptr1, ptr2);
ptr1 = ptr2 + strlen(ptr2) + 1;
}
}
break;
case S_OBJNAME_V1:
TRACE("S-ObjName %.*s\n", ((const BYTE*)sym)[8], (const BYTE*)sym + 9);
break;
case S_LABEL_V1:
if (curr_func)
{
symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset) - curr_func->address,
terminate_string(&sym->label_v1.p_name));
}
else
FIXME("No current function for label %s\n",
terminate_string(&sym->label_v1.p_name));
break;
case S_LABEL_V3:
if (curr_func)
{
symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset) - curr_func->address,
sym->label_v3.name);
}
else
FIXME("No current function for label %s\n", sym->label_v3.name);
break;
case S_CONSTANT_V1:
{
int val, vlen;
const struct p_string* name;
const char* x;
struct symt* se;
vlen = numeric_leaf(&val, &sym->constant_v1.cvalue);
name = (const struct p_string*)((const char*)&sym->constant_v1.cvalue + vlen);
se = codeview_get_type(sym->constant_v1.type, FALSE);
if (!se) x = "---";
else if (se->tag == SymTagEnum) x = ((struct symt_enum*)se)->name;
else x = "###";
TRACE("S-Constant-V1 %u %s %x (%s)\n",
val, terminate_string(name), sym->constant_v1.type, x);
/* FIXME: we should add this as a constant value */
}
break;
case S_CONSTANT_V2:
{
int val, vlen;
const struct p_string* name;
const char* x;
struct symt* se;
vlen = numeric_leaf(&val, &sym->constant_v2.cvalue);
name = (const struct p_string*)((const char*)&sym->constant_v2.cvalue + vlen);
se = codeview_get_type(sym->constant_v2.type, FALSE);
if (!se) x = "---";
else if (se->tag == SymTagEnum) x = ((struct symt_enum*)se)->name;
else x = "###";
TRACE("S-Constant-V2 %u %s %x (%s)\n",
val, terminate_string(name), sym->constant_v2.type, x);
/* FIXME: we should add this as a constant value */
}
break;
case S_CONSTANT_V3:
{
int val, vlen;
const char* name;
const char* x;
struct symt* se;
vlen = numeric_leaf(&val, &sym->constant_v3.cvalue);
name = (const char*)&sym->constant_v3.cvalue + vlen;
se = codeview_get_type(sym->constant_v3.type, FALSE);
if (!se) x = "---";
else if (se->tag == SymTagEnum) x = ((struct symt_enum*)se)->name;
else x = "###";
TRACE("S-Constant-V3 %u %s %x (%s)\n",
val, name, sym->constant_v3.type, x);
/* FIXME: we should add this as a constant value */
}
break;
case S_UDT_V1:
if (sym->udt_v1.type)
{
if ((symt = codeview_get_type(sym->udt_v1.type, FALSE)))
symt_new_typedef(msc_dbg->module, symt,
terminate_string(&sym->udt_v1.p_name));
else
FIXME("S-Udt %s: couldn't find type 0x%x\n",
terminate_string(&sym->udt_v1.p_name), sym->udt_v1.type);
}
break;
case S_UDT_V2:
if (sym->udt_v2.type)
{
if ((symt = codeview_get_type(sym->udt_v2.type, FALSE)))
symt_new_typedef(msc_dbg->module, symt,
terminate_string(&sym->udt_v2.p_name));
else
FIXME("S-Udt %s: couldn't find type 0x%x\n",
terminate_string(&sym->udt_v2.p_name), sym->udt_v2.type);
}
break;
case S_UDT_V3:
if (sym->udt_v3.type)
{
if ((symt = codeview_get_type(sym->udt_v3.type, FALSE)))
symt_new_typedef(msc_dbg->module, symt, sym->udt_v3.name);
else
FIXME("S-Udt %s: couldn't find type 0x%x\n",
sym->udt_v3.name, sym->udt_v3.type);
}
break;
/*
* These are special, in that they are always followed by an
* additional length-prefixed string which is *not* included
* into the symbol length count. We need to skip it.
*/
case S_PROCREF_V1:
case S_DATAREF_V1:
case S_LPROCREF_V1:
name = (const char*)sym + length;
length += (*name + 1 + 3) & ~3;
break;
case S_PUB_DATA_V3:
if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
{
flt = codeview_get_linetab(linetab, sym->data_v3.segment, sym->data_v3.offset);
symt_new_public(msc_dbg->module,
flt ? flt->compiland : NULL,
sym->data_v3.name,
codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
0, FALSE /* FIXME */, FALSE);
}
break;
case S_PUB_FUNC1_V3:
case S_PUB_FUNC2_V3: /* using a data_v3 isn't what we'd expect */
if (!(dbghelp_options & SYMOPT_NO_PUBLICS))
{
flt = codeview_get_linetab(linetab, sym->data_v3.segment, sym->data_v3.offset);
symt_new_public(msc_dbg->module,
flt ? flt->compiland : NULL,
sym->data_v3.name,
codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset),
0, TRUE /* FIXME */, TRUE);
}
break;
case S_MSTOOL_V3: /* just to silence a few warnings */
break;
default:
FIXME("Unsupported symbol id %x\n", sym->generic.id);
dump(sym, 2 + sym->generic.len);
break;
}
}
if (curr_func) symt_normalize_function(msc_dbg->module, curr_func);
HeapFree(GetProcessHeap(), 0, linetab);
return TRUE;
}
/*========================================================================
* Process PDB file.
*/
struct pdb_lookup
{
const char* filename;
enum {PDB_JG, PDB_DS} kind;
union
{
struct
{
DWORD timestamp;
struct PDB_JG_TOC* toc;
} jg;
struct
{
GUID guid;
struct PDB_DS_TOC* toc;
} ds;
} u;
};
static void* pdb_jg_read(const struct PDB_JG_HEADER* pdb, const WORD* block_list,
int size)
{
int i, num_blocks;
BYTE* buffer;
if (!size) return NULL;
num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
for (i = 0; i < num_blocks; i++)
memcpy(buffer + i * pdb->block_size,
(const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
return buffer;
}
static void* pdb_ds_read(const struct PDB_DS_HEADER* pdb, const DWORD* block_list,
int size)
{
int i, num_blocks;
BYTE* buffer;
if (!size) return NULL;
num_blocks = (size + pdb->block_size - 1) / pdb->block_size;
buffer = HeapAlloc(GetProcessHeap(), 0, num_blocks * pdb->block_size);
for (i = 0; i < num_blocks; i++)
memcpy(buffer + i * pdb->block_size,
(const char*)pdb + block_list[i] * pdb->block_size, pdb->block_size);
return buffer;
}
static void* pdb_read_jg_file(const struct PDB_JG_HEADER* pdb,
const struct PDB_JG_TOC* toc, DWORD file_nr)
{
const WORD* block_list;
DWORD i;
if (!toc || file_nr >= toc->num_files) return NULL;
block_list = (const WORD*) &toc->file[toc->num_files];
for (i = 0; i < file_nr; i++)
block_list += (toc->file[i].size + pdb->block_size - 1) / pdb->block_size;
return pdb_jg_read(pdb, block_list, toc->file[file_nr].size);
}
static void* pdb_read_ds_file(const struct PDB_DS_HEADER* pdb,
const struct PDB_DS_TOC* toc, DWORD file_nr)
{
const DWORD* block_list;
DWORD i;
if (!toc || file_nr >= toc->num_files) return NULL;
if (toc->file_size[file_nr] == 0 || toc->file_size[file_nr] == 0xFFFFFFFF)
{
FIXME(">>> requesting NULL stream (%lu)\n", file_nr);
return NULL;
}
block_list = &toc->file_size[toc->num_files];
for (i = 0; i < file_nr; i++)
block_list += (toc->file_size[i] + pdb->block_size - 1) / pdb->block_size;
return pdb_ds_read(pdb, block_list, toc->file_size[file_nr]);
}
static void* pdb_read_file(const BYTE* image, const struct pdb_lookup* pdb_lookup,
DWORD file_nr)
{
switch (pdb_lookup->kind)
{
case PDB_JG:
return pdb_read_jg_file((const struct PDB_JG_HEADER*)image,
pdb_lookup->u.jg.toc, file_nr);
case PDB_DS:
return pdb_read_ds_file((const struct PDB_DS_HEADER*)image,
pdb_lookup->u.ds.toc, file_nr);
}
return NULL;
}
static unsigned pdb_get_file_size(const struct pdb_lookup* pdb_lookup, DWORD file_nr)
{
switch (pdb_lookup->kind)
{
case PDB_JG: return pdb_lookup->u.jg.toc->file[file_nr].size;
case PDB_DS: return pdb_lookup->u.ds.toc->file_size[file_nr];
}
return 0;
}
static void pdb_free(void* buffer)
{
HeapFree(GetProcessHeap(), 0, buffer);
}
static void pdb_free_lookup(const struct pdb_lookup* pdb_lookup)
{
switch (pdb_lookup->kind)
{
case PDB_JG:
if (pdb_lookup->u.jg.toc) pdb_free(pdb_lookup->u.jg.toc);
break;
case PDB_DS:
if (pdb_lookup->u.ds.toc) pdb_free(pdb_lookup->u.ds.toc);
break;
}
}
static void pdb_convert_types_header(PDB_TYPES* types, const BYTE* image)
{
memset(types, 0, sizeof(PDB_TYPES));
if (!image) return;
if (*(const DWORD*)image < 19960000) /* FIXME: correct version? */
{
/* Old version of the types record header */
const PDB_TYPES_OLD* old = (const PDB_TYPES_OLD*)image;
types->version = old->version;
types->type_offset = sizeof(PDB_TYPES_OLD);
types->type_size = old->type_size;
types->first_index = old->first_index;
types->last_index = old->last_index;
types->file = old->file;
}
else
{
/* New version of the types record header */
*types = *(const PDB_TYPES*)image;
}
}
static void pdb_convert_symbols_header(PDB_SYMBOLS* symbols,
int* header_size, const BYTE* image)
{
memset(symbols, 0, sizeof(PDB_SYMBOLS));
if (!image) return;
if (*(const DWORD*)image != 0xffffffff)
{
/* Old version of the symbols record header */
const PDB_SYMBOLS_OLD* old = (const PDB_SYMBOLS_OLD*)image;
symbols->version = 0;
symbols->module_size = old->module_size;
symbols->offset_size = old->offset_size;
symbols->hash_size = old->hash_size;
symbols->srcmodule_size = old->srcmodule_size;
symbols->pdbimport_size = 0;
symbols->hash1_file = old->hash1_file;
symbols->hash2_file = old->hash2_file;
symbols->gsym_file = old->gsym_file;
*header_size = sizeof(PDB_SYMBOLS_OLD);
}
else
{
/* New version of the symbols record header */
*symbols = *(const PDB_SYMBOLS*)image;
*header_size = sizeof(PDB_SYMBOLS);
}
}
static void pdb_convert_symbol_file(const PDB_SYMBOLS* symbols,
PDB_SYMBOL_FILE_EX* sfile,
unsigned* size, const void* image)
{
if (symbols->version < 19970000)
{
const PDB_SYMBOL_FILE *sym_file = (const PDB_SYMBOL_FILE*)image;
memset(sfile, 0, sizeof(*sfile));
sfile->file = sym_file->file;
sfile->range.index = sym_file->range.index;
sfile->symbol_size = sym_file->symbol_size;
sfile->lineno_size = sym_file->lineno_size;
*size = sizeof(PDB_SYMBOL_FILE) - 1;
}
else
{
memcpy(sfile, image, sizeof(PDB_SYMBOL_FILE_EX));
*size = sizeof(PDB_SYMBOL_FILE_EX) - 1;
}
}
static BOOL CALLBACK pdb_match(char* file, void* user)
{
/* accept first file that exists */
HANDLE h = CreateFileA(file, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
TRACE("match with %s returns %p\n", file, h);
if (INVALID_HANDLE_VALUE != h) {
CloseHandle(h);
return FALSE;
}
return TRUE;
}
static HANDLE open_pdb_file(const struct process* pcs, const char* filename)
{
HANDLE h;
char dbg_file_path[MAX_PATH];
h = CreateFileA(filename, GENERIC_READ, FILE_SHARE_READ, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
/* FIXME: should give more bits on the file to look at */
if (h == INVALID_HANDLE_VALUE &&
SymFindFileInPath(pcs->handle, NULL, (char*)filename, NULL, 0, 0, 0,
dbg_file_path, pdb_match, NULL))
{
h = CreateFileA(dbg_file_path, GENERIC_READ, FILE_SHARE_READ, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
TRACE("with %s returns %p\n", dbg_file_path, h);
}
return (h == INVALID_HANDLE_VALUE) ? NULL : h;
}
static void pdb_process_types(const struct msc_debug_info* msc_dbg,
const char* image, struct pdb_lookup* pdb_lookup)
{
char* types_image = NULL;
types_image = pdb_read_file(image, pdb_lookup, 2);
if (types_image)
{
PDB_TYPES types;
pdb_convert_types_header(&types, types_image);
/* Check for unknown versions */
switch (types.version)
{
case 19950410: /* VC 4.0 */
case 19951122:
case 19961031: /* VC 5.0 / 6.0 */
case 19990903:
break;
default:
ERR("-Unknown type info version %ld\n", types.version);
}
/* Read type table */
codeview_parse_type_table(msc_dbg->module, types_image + types.type_offset,
types.type_size);
pdb_free(types_image);
}
}
static const char PDB_JG_IDENT[] = "Microsoft C/C++ program database 2.00\r\n\032JG\0";
static const char PDB_DS_IDENT[] = "Microsoft C/C++ MSF 7.00\r\n\032DS\0";
static BOOL pdb_init(struct pdb_lookup* pdb_lookup, const char* image)
{
/* check the file header, and if ok, load the TOC */
TRACE("PDB(%s): %.40s\n", pdb_lookup->filename, debugstr_an(image, 40));
switch (pdb_lookup->kind)
{
case PDB_JG:
pdb_lookup->u.jg.toc = NULL;
if (memcmp(image, PDB_JG_IDENT, sizeof(PDB_JG_IDENT)))
{
FIXME("Couldn't match JG header\n");
return FALSE;
}
else
{
const struct PDB_JG_HEADER* pdb = (const struct PDB_JG_HEADER*)image;
struct PDB_JG_ROOT* root;
pdb_lookup->u.jg.toc = pdb_jg_read(pdb, pdb->toc_block, pdb->toc.size);
root = pdb_read_jg_file(pdb, pdb_lookup->u.jg.toc, 1);
if (!root)
{
ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
return FALSE;
}
switch (root->Version)
{
case 19950623: /* VC 4.0 */
case 19950814:
case 19960307: /* VC 5.0 */
case 19970604: /* VC 6.0 */
break;
default:
ERR("-Unknown root block version %ld\n", root->Version);
}
/* Check .PDB time stamp */
if (root->TimeDateStamp != pdb_lookup->u.jg.timestamp)
{
ERR("-Wrong time stamp of .PDB file %s (0x%08lx, 0x%08lx)\n",
pdb_lookup->filename, root->TimeDateStamp,
pdb_lookup->u.jg.timestamp);
}
pdb_free(root);
}
break;
case PDB_DS:
pdb_lookup->u.ds.toc = NULL;
if (memcmp(image, PDB_DS_IDENT, sizeof(PDB_DS_IDENT)))
{
FIXME("Couldn't match DS header\n");
return FALSE;
}
else
{
const struct PDB_DS_HEADER* pdb = (const struct PDB_DS_HEADER*)image;
struct PDB_DS_ROOT* root;
pdb_lookup->u.ds.toc =
pdb_ds_read(pdb,
(const DWORD*)((const char*)pdb + pdb->toc_page * pdb->block_size),
pdb->toc_size);
root = pdb_read_ds_file(pdb, pdb_lookup->u.ds.toc, 1);
if (!root)
{
ERR("-Unable to get root from .PDB in %s\n", pdb_lookup->filename);
return FALSE;
}
switch (root->Version)
{
case 20000404:
break;
default:
ERR("-Unknown root block version %ld\n", root->Version);
}
/* Check .PDB time stamp */
if (memcmp(&root->guid, &pdb_lookup->u.ds.guid, sizeof(GUID)))
{
ERR("-Wrong GUID of .PDB file %s (%s, %s)\n",
pdb_lookup->filename,
wine_dbgstr_guid(&root->guid),
wine_dbgstr_guid(&pdb_lookup->u.ds.guid));
}
pdb_free(root);
}
break;
}
if (0) /* some tool to dump the internal files from a PDB file */
{
int i, num_files;
switch (pdb_lookup->kind)
{
case PDB_JG: num_files = pdb_lookup->u.jg.toc->num_files; break;
case PDB_DS: num_files = pdb_lookup->u.ds.toc->num_files; break;
}
for (i = 1; i < num_files; i++)
{
unsigned char* x = pdb_read_file(image, pdb_lookup, i);
FIXME("********************** [%u]: size=%08x\n",
i, pdb_get_file_size(pdb_lookup, i));
dump(x, pdb_get_file_size(pdb_lookup, i));
pdb_free(x);
}
}
return TRUE;
}
static BOOL pdb_process_internal(const struct process* pcs,
const struct msc_debug_info* msc_dbg,
struct pdb_lookup* pdb_lookup,
unsigned module_index);
static void pdb_process_symbol_imports(const struct process* pcs,
const struct msc_debug_info* msc_dbg,
PDB_SYMBOLS* symbols,
const void* symbols_image,
char* image, struct pdb_lookup* pdb_lookup,
unsigned module_index)
{
if (module_index == -1 && symbols && symbols->pdbimport_size)
{
const PDB_SYMBOL_IMPORT*imp;
const void* first;
const void* last;
const char* ptr;
int i = 0;
imp = (const PDB_SYMBOL_IMPORT*)((const char*)symbols_image + sizeof(PDB_SYMBOLS) +
symbols->module_size + symbols->offset_size +
symbols->hash_size + symbols->srcmodule_size);
first = (const char*)imp;
last = (const char*)imp + symbols->pdbimport_size;
while (imp < (const PDB_SYMBOL_IMPORT*)last)
{
ptr = (const char*)imp + sizeof(*imp) + strlen(imp->filename);
if (i >= CV_MAX_MODULES) FIXME("Out of bounds !!!\n");
if (!strcasecmp(pdb_lookup->filename, imp->filename))
{
if (module_index != -1) FIXME("Twice the entry\n");
else module_index = i;
}
else
{
struct pdb_lookup imp_pdb_lookup;
imp_pdb_lookup.filename = imp->filename;
imp_pdb_lookup.kind = PDB_JG;
imp_pdb_lookup.u.jg.timestamp = imp->TimeDateStamp;
pdb_process_internal(pcs, msc_dbg, &imp_pdb_lookup, i);
}
i++;
imp = (const PDB_SYMBOL_IMPORT*)((const char*)first + ((ptr - (const char*)first + strlen(ptr) + 1 + 3) & ~3));
}
}
cv_current_module = &cv_zmodules[(module_index == -1) ? 0 : module_index];
if (cv_current_module->allowed) FIXME("Already allowed ??\n");
cv_current_module->allowed = TRUE;
pdb_process_types(msc_dbg, image, pdb_lookup);
}
static BOOL pdb_process_internal(const struct process* pcs,
const struct msc_debug_info* msc_dbg,
struct pdb_lookup* pdb_lookup,
unsigned module_index)
{
BOOL ret = FALSE;
HANDLE hFile, hMap = NULL;
char* image = NULL;
char* symbols_image = NULL;
TRACE("Processing PDB file %s\n", pdb_lookup->filename);
/* Open and map() .PDB file */
if ((hFile = open_pdb_file(pcs, pdb_lookup->filename)) == NULL ||
((hMap = CreateFileMappingA(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) == NULL) ||
((image = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) == NULL))
{
WARN("Unable to open .PDB file: %s\n", pdb_lookup->filename);
goto leave;
}
pdb_init(pdb_lookup, image);
symbols_image = pdb_read_file(image, pdb_lookup, 3);
if (symbols_image)
{
PDB_SYMBOLS symbols;
char* modimage;
char* file;
int header_size = 0;
pdb_convert_symbols_header(&symbols, &header_size, symbols_image);
switch (symbols.version)
{
case 0: /* VC 4.0 */
case 19960307: /* VC 5.0 */
case 19970606: /* VC 6.0 */
case 19990903:
break;
default:
ERR("-Unknown symbol info version %ld %08lx\n",
symbols.version, symbols.version);
}
pdb_process_symbol_imports(pcs, msc_dbg, &symbols, symbols_image, image, pdb_lookup, module_index);
/* Read global symbol table */
modimage = pdb_read_file(image, pdb_lookup, symbols.gsym_file);
if (modimage)
{
codeview_snarf(msc_dbg, modimage, 0,
pdb_get_file_size(pdb_lookup, symbols.gsym_file), NULL);
pdb_free(modimage);
}
/* Read per-module symbol / linenumber tables */
file = symbols_image + header_size;
while (file - symbols_image < header_size + symbols.module_size)
{
PDB_SYMBOL_FILE_EX sfile;
const char* file_name;
unsigned size;
HeapValidate(GetProcessHeap(), 0, NULL);
pdb_convert_symbol_file(&symbols, &sfile, &size, file);
modimage = pdb_read_file(image, pdb_lookup, sfile.file);
if (modimage)
{
struct codeview_linetab* linetab = NULL;
if (sfile.lineno_size)
linetab = codeview_snarf_linetab(msc_dbg->module,
modimage + sfile.symbol_size,
sfile.lineno_size,
pdb_lookup->kind == PDB_JG);
if (sfile.symbol_size)
codeview_snarf(msc_dbg, modimage, sizeof(DWORD),
sfile.symbol_size, linetab);
pdb_free(modimage);
}
file_name = (const char*)file + size;
file_name += strlen(file_name) + 1;
file = (char*)((DWORD)(file_name + strlen(file_name) + 1 + 3) & ~3);
}
}
else
pdb_process_symbol_imports(pcs, msc_dbg, NULL, NULL, image, pdb_lookup,
module_index);
msc_dbg->module->module.SymType = SymCv;
ret = TRUE;
leave:
/* Cleanup */
if (symbols_image) pdb_free(symbols_image);
pdb_free_lookup(pdb_lookup);
if (image) UnmapViewOfFile(image);
if (hMap) CloseHandle(hMap);
if (hFile) CloseHandle(hFile);
return ret;
}
static BOOL pdb_process_file(const struct process* pcs,
const struct msc_debug_info* msc_dbg,
struct pdb_lookup* pdb_lookup)
{
BOOL ret;
memset(cv_zmodules, 0, sizeof(cv_zmodules));
codeview_init_basic_types(msc_dbg->module);
ret = pdb_process_internal(pcs, msc_dbg, pdb_lookup, -1);
codeview_clear_type_table();
return ret;
}
/*========================================================================
* Process CodeView debug information.
*/
#define MAKESIG(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
#define CODEVIEW_NB09_SIG MAKESIG('N','B','0','9')
#define CODEVIEW_NB10_SIG MAKESIG('N','B','1','0')
#define CODEVIEW_NB11_SIG MAKESIG('N','B','1','1')
#define CODEVIEW_RSDS_SIG MAKESIG('R','S','D','S')
typedef struct _CODEVIEW_HEADER_NBxx
{
DWORD dwSignature;
DWORD lfoDirectory;
} CODEVIEW_HEADER_NBxx,* PCODEVIEW_HEADER_NBxx;
typedef struct _CODEVIEW_HEADER_RSDS
{
DWORD dwSignature;
GUID guid;
DWORD unknown;
CHAR name[1];
} CODEVIEW_HEADER_RSDS,* PCODEVIEW_HEADER_RSDS;
typedef struct _CODEVIEW_PDB_DATA
{
DWORD timestamp;
DWORD unknown;
CHAR name[1];
} CODEVIEW_PDB_DATA, *PCODEVIEW_PDB_DATA;
typedef struct _CV_DIRECTORY_HEADER
{
WORD cbDirHeader;
WORD cbDirEntry;
DWORD cDir;
DWORD lfoNextDir;
DWORD flags;
} CV_DIRECTORY_HEADER, *PCV_DIRECTORY_HEADER;
typedef struct _CV_DIRECTORY_ENTRY
{
WORD subsection;
WORD iMod;
DWORD lfo;
DWORD cb;
} CV_DIRECTORY_ENTRY, *PCV_DIRECTORY_ENTRY;
#define sstAlignSym 0x125
#define sstSrcModule 0x127
static BOOL codeview_process_info(const struct process* pcs,
const struct msc_debug_info* msc_dbg)
{
const CODEVIEW_HEADER_NBxx* cv = (const CODEVIEW_HEADER_NBxx*)msc_dbg->root;
BOOL ret = FALSE;
struct pdb_lookup pdb_lookup;
TRACE("Processing signature %.4s\n", (const char*)&cv->dwSignature);
switch (cv->dwSignature)
{
case CODEVIEW_NB09_SIG:
case CODEVIEW_NB11_SIG:
{
const CV_DIRECTORY_HEADER* hdr = (const CV_DIRECTORY_HEADER*)(msc_dbg->root + cv->lfoDirectory);
const CV_DIRECTORY_ENTRY* ent;
const CV_DIRECTORY_ENTRY* prev;
const CV_DIRECTORY_ENTRY* next;
unsigned int i;
codeview_init_basic_types(msc_dbg->module);
ent = (const CV_DIRECTORY_ENTRY*)((const BYTE*)hdr + hdr->cbDirHeader);
for (i = 0; i < hdr->cDir; i++, ent = next)
{
next = (i == hdr->cDir-1)? NULL :
(const CV_DIRECTORY_ENTRY*)((const BYTE*)ent + hdr->cbDirEntry);
prev = (i == 0)? NULL :
(const CV_DIRECTORY_ENTRY*)((const BYTE*)ent - hdr->cbDirEntry);
if (ent->subsection == sstAlignSym)
{
/*
* Check the next and previous entry. If either is a
* sstSrcModule, it contains the line number info for
* this file.
*
* FIXME: This is not a general solution!
*/
struct codeview_linetab* linetab = NULL;
if (next && next->iMod == ent->iMod &&
next->subsection == sstSrcModule)
linetab = codeview_snarf_linetab(msc_dbg->module,
msc_dbg->root + next->lfo, next->cb,
TRUE);
if (prev && prev->iMod == ent->iMod &&
prev->subsection == sstSrcModule)
linetab = codeview_snarf_linetab(msc_dbg->module,
msc_dbg->root + prev->lfo, prev->cb,
TRUE);
codeview_snarf(msc_dbg, msc_dbg->root + ent->lfo, sizeof(DWORD),
ent->cb, linetab);
}
}
msc_dbg->module->module.SymType = SymCv;
ret = TRUE;
break;
}
case CODEVIEW_NB10_SIG:
{
const CODEVIEW_PDB_DATA* pdb = (const CODEVIEW_PDB_DATA*)(cv + 1);
pdb_lookup.filename = pdb->name;
pdb_lookup.kind = PDB_JG;
pdb_lookup.u.jg.timestamp = pdb->timestamp;
pdb_lookup.u.jg.toc = NULL;
ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
break;
}
case CODEVIEW_RSDS_SIG:
{
const CODEVIEW_HEADER_RSDS* rsds = (const CODEVIEW_HEADER_RSDS*)msc_dbg->root;
TRACE("Got RSDS type of PDB file: guid=%s unk=%08lx name=%s\n",
wine_dbgstr_guid(&rsds->guid), rsds->unknown, rsds->name);
pdb_lookup.filename = rsds->name;
pdb_lookup.kind = PDB_DS;
pdb_lookup.u.ds.guid = rsds->guid;
pdb_lookup.u.ds.toc = NULL;
ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup);
break;
}
default:
ERR("Unknown CODEVIEW signature %08lX in module %s\n",
cv->dwSignature, msc_dbg->module->module.ModuleName);
break;
}
return ret;
}
/*========================================================================
* Process debug directory.
*/
BOOL pe_load_debug_directory(const struct process* pcs, struct module* module,
const BYTE* mapping,
const IMAGE_SECTION_HEADER* sectp, DWORD nsect,
const IMAGE_DEBUG_DIRECTORY* dbg, int nDbg)
{
BOOL ret;
int i;
struct msc_debug_info msc_dbg;
msc_dbg.module = module;
msc_dbg.nsect = nsect;
msc_dbg.sectp = sectp;
msc_dbg.nomap = 0;
msc_dbg.omapp = NULL;
__TRY
{
ret = FALSE;
/* First, watch out for OMAP data */
for (i = 0; i < nDbg; i++)
{
if (dbg[i].Type == IMAGE_DEBUG_TYPE_OMAP_FROM_SRC)
{
msc_dbg.nomap = dbg[i].SizeOfData / sizeof(OMAP_DATA);
msc_dbg.omapp = (const OMAP_DATA*)(mapping + dbg[i].PointerToRawData);
break;
}
}
/* Now, try to parse CodeView debug info */
for (i = 0; i < nDbg; i++)
{
if (dbg[i].Type == IMAGE_DEBUG_TYPE_CODEVIEW)
{
msc_dbg.root = mapping + dbg[i].PointerToRawData;
if ((ret = codeview_process_info(pcs, &msc_dbg))) goto done;
}
}
/* If not found, try to parse COFF debug info */
for (i = 0; i < nDbg; i++)
{
if (dbg[i].Type == IMAGE_DEBUG_TYPE_COFF)
{
msc_dbg.root = mapping + dbg[i].PointerToRawData;
if ((ret = coff_process_info(&msc_dbg))) goto done;
}
}
done:
/* FIXME: this should be supported... this is the debug information for
* functions compiled without a frame pointer (FPO = frame pointer omission)
* the associated data helps finding out the relevant information
*/
for (i = 0; i < nDbg; i++)
if (dbg[i].Type == IMAGE_DEBUG_TYPE_FPO)
FIXME("This guy has FPO information\n");
#if 0
#define FRAME_FPO 0
#define FRAME_TRAP 1
#define FRAME_TSS 2
typedef struct _FPO_DATA
{
DWORD ulOffStart; /* offset 1st byte of function code */
DWORD cbProcSize; /* # bytes in function */
DWORD cdwLocals; /* # bytes in locals/4 */
WORD cdwParams; /* # bytes in params/4 */
WORD cbProlog : 8; /* # bytes in prolog */
WORD cbRegs : 3; /* # regs saved */
WORD fHasSEH : 1; /* TRUE if SEH in func */
WORD fUseBP : 1; /* TRUE if EBP has been allocated */
WORD reserved : 1; /* reserved for future use */
WORD cbFrame : 2; /* frame type */
} FPO_DATA;
#endif
}
__EXCEPT(page_fault)
{
ERR("Got a page fault while loading symbols\n");
ret = FALSE;
}
__ENDTRY
return ret;
}
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