/* * 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) 2004-2009, 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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. */ #define NONAMELESSUNION #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 "winternl.h" #include "wine/exception.h" #include "wine/debug.h" #include "dbghelp_private.h" #include "wine/mscvpdb.h" WINE_DEFAULT_DEBUG_CHANNEL(dbghelp_msc); #define MAX_PATHNAME_LEN 1024 /*======================================================================== * Debug file access helper routines */ static void dump(const void* ptr, unsigned len) { unsigned int i, j; char msg[128]; const char* hexof = "0123456789abcdef"; const BYTE* x = 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]; struct cv_defined_module { BOOL allowed; unsigned int num_defined_types; struct symt** defined_types; }; /* 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_BOOL08] = &symt_new_basic(module, btBool, "BOOL08", 1)->symt; cv_basic_types[T_BOOL16] = &symt_new_basic(module, btBool, "BOOL16", 2)->symt; cv_basic_types[T_BOOL32] = &symt_new_basic(module, btBool, "BOOL32", 4)->symt; cv_basic_types[T_BOOL64] = &symt_new_basic(module, btBool, "BOOL64", 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_REAL80] = &symt_new_basic(module, btFloat, "long double", 10)->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_INT2] = &symt_new_basic(module, btInt, "INT2", 2)->symt; cv_basic_types[T_UINT2] = &symt_new_basic(module, btUInt, "UINT2", 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_INT8] = &symt_new_basic(module, btInt, "INT8", 8)->symt; cv_basic_types[T_UINT8] = &symt_new_basic(module, btUInt, "UINT8", 8)->symt; cv_basic_types[T_HRESULT]= &symt_new_basic(module, btUInt, "HRESULT", 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_32PBOOL08] = &symt_new_pointer(module, cv_basic_types[T_BOOL08])->symt; cv_basic_types[T_32PBOOL16] = &symt_new_pointer(module, cv_basic_types[T_BOOL16])->symt; cv_basic_types[T_32PBOOL32] = &symt_new_pointer(module, cv_basic_types[T_BOOL32])->symt; cv_basic_types[T_32PBOOL64] = &symt_new_pointer(module, cv_basic_types[T_BOOL64])->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_32PREAL80] = &symt_new_pointer(module, cv_basic_types[T_REAL80])->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_32PINT2] = &symt_new_pointer(module, cv_basic_types[T_INT2])->symt; cv_basic_types[T_32PUINT2] = &symt_new_pointer(module, cv_basic_types[T_UINT2])->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; cv_basic_types[T_32PINT8] = &symt_new_pointer(module, cv_basic_types[T_INT8])->symt; cv_basic_types[T_32PUINT8] = &symt_new_pointer(module, cv_basic_types[T_UINT8])->symt; cv_basic_types[T_32PHRESULT]= &symt_new_pointer(module, cv_basic_types[T_HRESULT])->symt; } static int leaf_as_variant(VARIANT* v, const unsigned short int* leaf) { unsigned short int type = *leaf++; int length = 2; if (type < LF_NUMERIC) { v->n1.n2.vt = VT_UINT; v->n1.n2.n3.uintVal = type; } else { switch (type) { case LF_CHAR: length += 1; v->n1.n2.vt = VT_I1; v->n1.n2.n3.cVal = *(const char*)leaf; break; case LF_SHORT: length += 2; v->n1.n2.vt = VT_I2; v->n1.n2.n3.iVal = *(const short*)leaf; break; case LF_USHORT: length += 2; v->n1.n2.vt = VT_UI2; v->n1.n2.n3.uiVal = *leaf; break; case LF_LONG: length += 4; v->n1.n2.vt = VT_I4; v->n1.n2.n3.lVal = *(const int*)leaf; break; case LF_ULONG: length += 4; v->n1.n2.vt = VT_UI4; v->n1.n2.n3.uiVal = *(const unsigned int*)leaf; break; case LF_QUADWORD: length += 8; v->n1.n2.vt = VT_I8; v->n1.n2.n3.llVal = *(const long long int*)leaf; break; case LF_UQUADWORD: length += 8; v->n1.n2.vt = VT_UI8; v->n1.n2.n3.ullVal = *(const long long unsigned int*)leaf; break; case LF_REAL32: length += 4; v->n1.n2.vt = VT_R4; v->n1.n2.n3.fltVal = *(const float*)leaf; break; case LF_REAL48: FIXME("Unsupported numeric leaf type %04x\n", type); length += 6; v->n1.n2.vt = VT_EMPTY; /* FIXME */ break; case LF_REAL64: length += 8; v->n1.n2.vt = VT_R8; v->n1.n2.n3.fltVal = *(const double*)leaf; break; case LF_REAL80: FIXME("Unsupported numeric leaf type %04x\n", type); length += 10; v->n1.n2.vt = VT_EMPTY; /* FIXME */ break; case LF_REAL128: FIXME("Unsupported numeric leaf type %04x\n", type); length += 16; v->n1.n2.vt = VT_EMPTY; /* FIXME */ break; case LF_COMPLEX32: FIXME("Unsupported numeric leaf type %04x\n", type); length += 4; v->n1.n2.vt = VT_EMPTY; /* FIXME */ break; case LF_COMPLEX64: FIXME("Unsupported numeric leaf type %04x\n", type); length += 8; v->n1.n2.vt = VT_EMPTY; /* FIXME */ break; case LF_COMPLEX80: FIXME("Unsupported numeric leaf type %04x\n", type); length += 10; v->n1.n2.vt = VT_EMPTY; /* FIXME */ break; case LF_COMPLEX128: FIXME("Unsupported numeric leaf type %04x\n", type); length += 16; v->n1.n2.vt = VT_EMPTY; /* FIXME */ break; case LF_VARSTRING: FIXME("Unsupported numeric leaf type %04x\n", type); length += 2 + *leaf; v->n1.n2.vt = VT_EMPTY; /* FIXME */ break; default: FIXME("Unknown numeric leaf type %04x\n", type); v->n1.n2.vt = VT_EMPTY; /* FIXME */ break; } } return length; } 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 = *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 quiet) { 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 (!quiet && !symt && typeno) FIXME("Returning NULL symt for type-id %x\n", typeno); return symt; } struct codeview_type_parse { struct module* module; const BYTE* table; const DWORD* offset; DWORD num; }; static inline const void* codeview_jump_to_type(const struct codeview_type_parse* ctp, DWORD idx) { if (idx < FIRST_DEFINABLE_TYPE) return NULL; idx -= FIRST_DEFINABLE_TYPE; return (idx >= ctp->num) ? NULL : (ctp->table + ctp->offset[idx]); } 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); if (typeno - FIRST_DEFINABLE_TYPE >= cv_current_module->num_defined_types) { if (cv_current_module->defined_types) { cv_current_module->num_defined_types = max( cv_current_module->num_defined_types * 2, typeno - FIRST_DEFINABLE_TYPE + 1 ); cv_current_module->defined_types = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, cv_current_module->defined_types, cv_current_module->num_defined_types * sizeof(struct symt*)); } else { cv_current_module->num_defined_types = max( 256, typeno - FIRST_DEFINABLE_TYPE + 1 ); cv_current_module->defined_types = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, cv_current_module->num_defined_types * sizeof(struct symt*)); } if (cv_current_module->defined_types == NULL) return FALSE; } if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE]) { if (cv_current_module->defined_types[typeno - FIRST_DEFINABLE_TYPE] != dt) FIXME("Overwriting at %x\n", typeno); } 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) 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; } cv_current_module = NULL; } static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp, unsigned curr_type, const union codeview_type* type, BOOL details); static void* codeview_cast_symt(struct symt* symt, enum SymTagEnum tag) { if (symt->tag != tag) { FIXME("Bad tag. Expected %d, but got %d\n", tag, symt->tag); return NULL; } return symt; } static struct symt* codeview_fetch_type(struct codeview_type_parse* ctp, unsigned typeno, BOOL details) { struct symt* symt; const union codeview_type* p; if (!typeno) return NULL; if ((symt = codeview_get_type(typeno, TRUE))) return symt; /* forward declaration */ if (!(p = codeview_jump_to_type(ctp, typeno))) { FIXME("Cannot locate type %x\n", typeno); return NULL; } symt = codeview_parse_one_type(ctp, typeno, p, details); if (!symt) FIXME("Couldn't load forward type %x\n", typeno); return symt; } static struct symt* codeview_add_type_pointer(struct codeview_type_parse* ctp, struct symt* existing, unsigned int pointee_type) { struct symt* pointee; if (existing) { existing = codeview_cast_symt(existing, SymTagPointerType); return existing; } pointee = codeview_fetch_type(ctp, pointee_type, FALSE); return &symt_new_pointer(ctp->module, pointee)->symt; } static struct symt* codeview_add_type_array(struct codeview_type_parse* ctp, const char* name, unsigned int elemtype, unsigned int indextype, unsigned int arr_len) { struct symt* elem = codeview_fetch_type(ctp, elemtype, FALSE); struct symt* index = codeview_fetch_type(ctp, indextype, FALSE); DWORD arr_max = 0; if (elem) { DWORD64 elem_size; symt_get_info(elem, TI_GET_LENGTH, &elem_size); if (elem_size) arr_max = arr_len / (DWORD)elem_size; } return &symt_new_array(ctp->module, 0, arr_max, elem, index)->symt; } static int codeview_add_type_enum_field_list(struct module* module, struct symt_enum* symt, const union codeview_reftype* ref_type) { const unsigned char* ptr = ref_type->fieldlist.list; const unsigned char* last = (const BYTE*)ref_type + ref_type->generic.len + 2; const union codeview_fieldtype* type; while (ptr < last) { if (*ptr >= 0xf0) /* LF_PAD... */ { ptr += *ptr & 0x0f; continue; } type = (const union codeview_fieldtype*)ptr; 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 TRUE; } static void codeview_add_udt_element(struct codeview_type_parse* ctp, struct symt_udt* symt, const char* name, int value, unsigned type) { struct symt* subtype; const union codeview_reftype*cv_type; if ((cv_type = codeview_jump_to_type(ctp, type))) { switch (cv_type->generic.id) { case LF_BITFIELD_V1: symt_add_udt_element(ctp->module, symt, name, codeview_fetch_type(ctp, cv_type->bitfield_v1.type, FALSE), (value << 3) + cv_type->bitfield_v1.bitoff, cv_type->bitfield_v1.nbits); return; case LF_BITFIELD_V2: symt_add_udt_element(ctp->module, symt, name, codeview_fetch_type(ctp, cv_type->bitfield_v2.type, FALSE), (value << 3) + cv_type->bitfield_v2.bitoff, cv_type->bitfield_v2.nbits); return; } } subtype = codeview_fetch_type(ctp, type, FALSE); if (subtype) { DWORD64 elem_size = 0; symt_get_info(subtype, TI_GET_LENGTH, &elem_size); symt_add_udt_element(ctp->module, symt, name, subtype, value << 3, (DWORD)elem_size << 3); } } static int codeview_add_type_struct_field_list(struct codeview_type_parse* ctp, struct symt_udt* symt, unsigned fieldlistno) { const unsigned char* ptr; const unsigned char* last; int value, leaf_len; const struct p_string* p_name; const char* c_name; const union codeview_reftype*type_ref; const union codeview_fieldtype* type; if (!fieldlistno) return TRUE; type_ref = codeview_jump_to_type(ctp, fieldlistno); ptr = type_ref->fieldlist.list; last = (const BYTE*)type_ref + type_ref->generic.len + 2; while (ptr < last) { if (*ptr >= 0xf0) /* LF_PAD... */ { ptr += *ptr & 0x0f; continue; } type = (const union codeview_fieldtype*)ptr; 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); codeview_add_udt_element(ctp, symt, terminate_string(p_name), value, type->member_v1.type); 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); codeview_add_udt_element(ctp, symt, terminate_string(p_name), value, type->member_v2.type); 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; codeview_add_udt_element(ctp, symt, c_name, value, type->member_v3.type); 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_STMEMBER_V3: /* FIXME: ignored for now */ ptr += 2 + 4 + 2 + (strlen(type->stmember_v3.name) + 1); 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_METHOD_V3: /* FIXME: ignored for now */ ptr += 2 + 2 + 4 + (strlen(type->method_v3.name) + 1); 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_NESTTYPE_V3: /* FIXME: ignored for now */ ptr += 2 + 2 + 4 + (strlen(type->nesttype_v3.name) + 1); 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; case LF_ONEMETHOD_V3: /* FIXME: ignored for now */ switch ((type->onemethod_v3.attribute >> 2) & 7) { case 4: case 6: /* (pure) introducing virtual method */ ptr += 2 + 2 + 4 + 4 + (strlen(type->onemethod_virt_v3.name) + 1); break; default: ptr += 2 + 2 + 4 + (strlen(type->onemethod_v3.name) + 1); break; } break; default: FIXME("Unsupported type %04x in STRUCT field list\n", type->generic.id); return FALSE; } } return TRUE; } static struct symt* codeview_add_type_enum(struct codeview_type_parse* ctp, struct symt* existing, const char* name, unsigned fieldlistno, unsigned basetype) { struct symt_enum* symt; if (existing) { if (!(symt = codeview_cast_symt(existing, SymTagEnum))) return NULL; /* should also check that all fields are the same */ } else { symt = symt_new_enum(ctp->module, name, codeview_fetch_type(ctp, basetype, FALSE)); if (fieldlistno) { const union codeview_reftype* fieldlist; fieldlist = codeview_jump_to_type(ctp, fieldlistno); codeview_add_type_enum_field_list(ctp->module, symt, fieldlist); } } return &symt->symt; } static struct symt* codeview_add_type_struct(struct codeview_type_parse* ctp, struct symt* existing, const char* name, int structlen, enum UdtKind kind, unsigned property) { struct symt_udt* symt; /* if we don't have an existing type, try to find one with same name * FIXME: what to do when several types in different CUs have same name ? */ if (!existing) { void* ptr; struct symt_ht* type; struct hash_table_iter hti; hash_table_iter_init(&ctp->module->ht_types, &hti, name); while ((ptr = hash_table_iter_up(&hti))) { type = GET_ENTRY(ptr, struct symt_ht, hash_elt); if (type->symt.tag == SymTagUDT && type->hash_elt.name && !strcmp(type->hash_elt.name, name)) { existing = &type->symt; break; } } } if (existing) { if (!(symt = codeview_cast_symt(existing, SymTagUDT))) return NULL; /* should also check that all fields are the same */ if (!(property & 0x80)) /* 0x80 = forward declaration */ { if (!symt->size) /* likely prior forward declaration, set UDT size */ symt_set_udt_size(ctp->module, symt, structlen); else /* different UDT with same name, create a new type */ existing = NULL; } } if (!existing) symt = symt_new_udt(ctp->module, name, structlen, kind); return &symt->symt; } static struct symt* codeview_new_func_signature(struct codeview_type_parse* ctp, struct symt* existing, enum CV_call_e call_conv) { struct symt_function_signature* sym; if (existing) { sym = codeview_cast_symt(existing, SymTagFunctionType); if (!sym) return NULL; } else { sym = symt_new_function_signature(ctp->module, NULL, call_conv); } return &sym->symt; } static void codeview_add_func_signature_args(struct codeview_type_parse* ctp, struct symt_function_signature* sym, unsigned ret_type, unsigned args_list) { const union codeview_reftype* reftype; sym->rettype = codeview_fetch_type(ctp, ret_type, FALSE); if (args_list && (reftype = codeview_jump_to_type(ctp, args_list))) { unsigned int i; switch (reftype->generic.id) { case LF_ARGLIST_V1: for (i = 0; i < reftype->arglist_v1.num; i++) symt_add_function_signature_parameter(ctp->module, sym, codeview_fetch_type(ctp, reftype->arglist_v1.args[i], FALSE)); break; case LF_ARGLIST_V2: for (i = 0; i < reftype->arglist_v2.num; i++) symt_add_function_signature_parameter(ctp->module, sym, codeview_fetch_type(ctp, reftype->arglist_v2.args[i], FALSE)); break; default: FIXME("Unexpected leaf %x for signature's pmt\n", reftype->generic.id); } } } static struct symt* codeview_parse_one_type(struct codeview_type_parse* ctp, unsigned curr_type, const union codeview_type* type, BOOL details) { struct symt* symt; int value, leaf_len; const struct p_string* p_name; const char* c_name; struct symt* existing; existing = codeview_get_type(curr_type, TRUE); switch (type->generic.id) { case LF_MODIFIER_V1: /* FIXME: we don't handle modifiers, * but read 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 " : ""); symt = codeview_fetch_type(ctp, type->modifier_v1.type, details); 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 " : ""); symt = codeview_fetch_type(ctp, type->modifier_v2.type, details); break; case LF_POINTER_V1: symt = codeview_add_type_pointer(ctp, existing, type->pointer_v1.datatype); break; case LF_POINTER_V2: symt = codeview_add_type_pointer(ctp, existing, type->pointer_v2.datatype); break; case LF_ARRAY_V1: if (existing) symt = codeview_cast_symt(existing, SymTagArrayType); else { leaf_len = numeric_leaf(&value, &type->array_v1.arrlen); p_name = (const struct p_string*)((const unsigned char*)&type->array_v1.arrlen + leaf_len); symt = codeview_add_type_array(ctp, terminate_string(p_name), type->array_v1.elemtype, type->array_v1.idxtype, value); } break; case LF_ARRAY_V2: if (existing) symt = codeview_cast_symt(existing, SymTagArrayType); else { leaf_len = numeric_leaf(&value, &type->array_v2.arrlen); p_name = (const struct p_string*)((const unsigned char*)&type->array_v2.arrlen + leaf_len); symt = codeview_add_type_array(ctp, terminate_string(p_name), type->array_v2.elemtype, type->array_v2.idxtype, value); } break; case LF_ARRAY_V3: if (existing) symt = codeview_cast_symt(existing, SymTagArrayType); else { leaf_len = numeric_leaf(&value, &type->array_v3.arrlen); c_name = (const char*)&type->array_v3.arrlen + leaf_len; symt = codeview_add_type_array(ctp, c_name, type->array_v3.elemtype, type->array_v3.idxtype, value); } 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); symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value, type->generic.id == LF_CLASS_V1 ? UdtClass : UdtStruct, type->struct_v1.property); if (details) { codeview_add_type(curr_type, symt); codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt, type->struct_v1.fieldlist); } 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); symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value, type->generic.id == LF_CLASS_V2 ? UdtClass : UdtStruct, type->struct_v2.property); if (details) { codeview_add_type(curr_type, symt); codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt, type->struct_v2.fieldlist); } 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; symt = codeview_add_type_struct(ctp, existing, c_name, value, type->generic.id == LF_CLASS_V3 ? UdtClass : UdtStruct, type->struct_v3.property); if (details) { codeview_add_type(curr_type, symt); codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt, type->struct_v3.fieldlist); } 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); symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value, UdtUnion, type->union_v1.property); if (details) { codeview_add_type(curr_type, symt); codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt, type->union_v1.fieldlist); } 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); symt = codeview_add_type_struct(ctp, existing, terminate_string(p_name), value, UdtUnion, type->union_v2.property); if (details) { codeview_add_type(curr_type, symt); codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt, type->union_v2.fieldlist); } 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; symt = codeview_add_type_struct(ctp, existing, c_name, value, UdtUnion, type->union_v3.property); if (details) { codeview_add_type(curr_type, symt); codeview_add_type_struct_field_list(ctp, (struct symt_udt*)symt, type->union_v3.fieldlist); } break; case LF_ENUM_V1: symt = codeview_add_type_enum(ctp, existing, terminate_string(&type->enumeration_v1.p_name), type->enumeration_v1.fieldlist, type->enumeration_v1.type); break; case LF_ENUM_V2: symt = codeview_add_type_enum(ctp, existing, terminate_string(&type->enumeration_v2.p_name), type->enumeration_v2.fieldlist, type->enumeration_v2.type); break; case LF_ENUM_V3: symt = codeview_add_type_enum(ctp, existing, type->enumeration_v3.name, type->enumeration_v3.fieldlist, type->enumeration_v3.type); break; case LF_PROCEDURE_V1: symt = codeview_new_func_signature(ctp, existing, type->procedure_v1.call); if (details) { codeview_add_type(curr_type, symt); codeview_add_func_signature_args(ctp, (struct symt_function_signature*)symt, type->procedure_v1.rvtype, type->procedure_v1.arglist); } break; case LF_PROCEDURE_V2: symt = codeview_new_func_signature(ctp, existing,type->procedure_v2.call); if (details) { codeview_add_type(curr_type, symt); codeview_add_func_signature_args(ctp, (struct symt_function_signature*)symt, type->procedure_v2.rvtype, type->procedure_v2.arglist); } 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 */ symt = codeview_new_func_signature(ctp, existing, type->mfunction_v1.call); if (details) { codeview_add_type(curr_type, symt); codeview_add_func_signature_args(ctp, (struct symt_function_signature*)symt, type->mfunction_v1.rvtype, type->mfunction_v1.arglist); } 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 */ symt = codeview_new_func_signature(ctp, existing, type->mfunction_v2.call); if (details) { codeview_add_type(curr_type, symt); codeview_add_func_signature_args(ctp, (struct symt_function_signature*)symt, type->mfunction_v2.rvtype, type->mfunction_v2.arglist); } break; case LF_VTSHAPE_V1: /* this is an ugly hack... FIXME when we have C++ support */ if (!(symt = existing)) { char buf[128]; snprintf(buf, sizeof(buf), "__internal_vt_shape_%x\n", curr_type); symt = &symt_new_udt(ctp->module, buf, 0, UdtStruct)->symt; } break; default: FIXME("Unsupported type-id leaf %x\n", type->generic.id); dump(type, 2 + type->generic.len); return FALSE; } return codeview_add_type(curr_type, symt) ? symt : NULL; } static int codeview_parse_type_table(struct codeview_type_parse* ctp) { unsigned int curr_type = FIRST_DEFINABLE_TYPE; const union codeview_type* type; for (curr_type = FIRST_DEFINABLE_TYPE; curr_type < FIRST_DEFINABLE_TYPE + ctp->num; curr_type++) { type = codeview_jump_to_type(ctp, curr_type); /* type records we're interested in are the ones referenced by symbols * The known ranges are (X mark the ones we want): * X 0000-0016 for V1 types * 0200-020c for V1 types referenced by other types * 0400-040f for V1 types (complex lists & sets) * X 1000-100f for V2 types * 1200-120c for V2 types referenced by other types * 1400-140f for V1 types (complex lists & sets) * X 1500-150d for V3 types * 8000-8010 for numeric leafes */ if (!(type->generic.id & 0x8600) || (type->generic.id & 0x0100)) codeview_parse_one_type(ctp, curr_type, type, TRUE); } return TRUE; } /*======================================================================== * Process CodeView line number information. */ static unsigned codeview_get_address(const struct msc_debug_info* msc_dbg, unsigned seg, unsigned offset); static void codeview_snarf_linetab(const struct msc_debug_info* msc_dbg, const BYTE* linetab, int size, BOOL pascal_str) { const BYTE* ptr = linetab; int nfile, nseg; int i, j, k; const unsigned int* filetab; const unsigned int* lt_ptr; const unsigned short* linenos; const struct startend* start; unsigned source; unsigned addr, func_addr0; struct symt_function* func; const struct codeview_linetab_block* ltb; nfile = *(const short*)linetab; filetab = (const unsigned int*)(linetab + 2 * sizeof(short)); for (i = 0; i < nfile; i++) { ptr = linetab + filetab[i]; nseg = *(const short*)ptr; lt_ptr = (const unsigned int*)(ptr + 2 * sizeof(short)); start = (const struct startend*)(lt_ptr + nseg); /* * Now snarf the filename for all of the segments for this file. */ if (pascal_str) source = source_new(msc_dbg->module, NULL, terminate_string((const struct p_string*)(start + nseg))); else source = source_new(msc_dbg->module, NULL, (const char*)(start + nseg)); for (j = 0; j < nseg; j++) { ltb = (const struct codeview_linetab_block*)(linetab + *lt_ptr++); linenos = (const unsigned short*)<b->offsets[ltb->num_lines]; func_addr0 = codeview_get_address(msc_dbg, ltb->seg, start[j].start); if (!func_addr0) continue; for (func = NULL, k = 0; k < ltb->num_lines; k++) { /* now locate function (if any) */ addr = func_addr0 + ltb->offsets[k] - start[j].start; /* unfortunetaly, we can have several functions in the same block, if there's no * gap between them... find the new function if needed */ if (!func || addr >= func->address + func->size) { func = (struct symt_function*)symt_find_nearest(msc_dbg->module, addr); /* FIXME: at least labels support line numbers */ if (!func || func->symt.tag != SymTagFunction) { WARN("--not a func at %04x:%08x %x tag=%d\n", ltb->seg, ltb->offsets[k], addr, func ? func->symt.tag : -1); func = NULL; break; } } symt_add_func_line(msc_dbg->module, func, source, linenos[k], addr - func->address); } } } } static void codeview_snarf_linetab2(const struct msc_debug_info* msc_dbg, const BYTE* linetab, DWORD size, const char* strimage, DWORD strsize) { DWORD offset; unsigned i; DWORD addr; const struct codeview_linetab2_block* lbh; const struct codeview_linetab2_file* fd; unsigned source; struct symt_function* func; if (*(const DWORD*)linetab != 0x000000f4) return; offset = *((const DWORD*)linetab + 1); for (lbh = (const struct codeview_linetab2_block*)(linetab + 8 + offset); (const BYTE*)lbh < linetab + size; lbh = (const struct codeview_linetab2_block*)((const char*)lbh + 8 + lbh->size_of_block)) { if (lbh->header != 0x000000f2) /* FIXME: should also check that whole lbh fits in linetab + size */ { TRACE("block end %x\n", lbh->header); break; } addr = codeview_get_address(msc_dbg, lbh->seg, lbh->start); TRACE("block from %04x:%08x #%x (%x lines)\n", lbh->seg, lbh->start, lbh->size, lbh->nlines); fd = (const struct codeview_linetab2_file*)(linetab + 8 + lbh->file_offset); /* FIXME: should check that string is within strimage + strsize */ source = source_new(msc_dbg->module, NULL, strimage + fd->offset); func = (struct symt_function*)symt_find_nearest(msc_dbg->module, addr); /* FIXME: at least labels support line numbers */ if (!func || func->symt.tag != SymTagFunction) { WARN("--not a func at %04x:%08x %x tag=%d\n", lbh->seg, lbh->start, addr, func ? func->symt.tag : -1); continue; } for (i = 0; i < lbh->nlines; i++) { symt_add_func_line(msc_dbg->module, func, source, lbh->l[i].lineno ^ 0x80000000, lbh->l[i].offset - lbh->start); } } } /*======================================================================== * 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 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 inline void codeview_add_variable(const struct msc_debug_info* msc_dbg, struct symt_compiland* compiland, const char* name, unsigned segment, unsigned offset, unsigned symtype, BOOL is_local, BOOL force) { if (name && *name) { unsigned address = codeview_get_address(msc_dbg, segment, offset); if (force || !symt_find_nearest(msc_dbg->module, address)) { symt_new_global_variable(msc_dbg->module, compiland, name, is_local, address, 0, codeview_get_type(symtype, FALSE)); } } } static int codeview_snarf(const struct msc_debug_info* msc_dbg, const BYTE* root, int offset, int size, BOOL do_globals) { struct symt_function* curr_func = NULL; int i, length; struct symt_block* block = NULL; struct symt* symt; const char* name; struct symt_compiland* compiland = NULL; struct location loc; /* * 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 (!sym->generic.id || length < 4) 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: if (do_globals) codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v1.p_name), sym->data_v1.segment, sym->data_v1.offset, sym->data_v1.symtype, sym->generic.id == S_LDATA_V1, TRUE); break; case S_GDATA_V2: case S_LDATA_V2: if (do_globals) codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v2.p_name), sym->data_v2.segment, sym->data_v2.offset, sym->data_v2.symtype, sym->generic.id == S_LDATA_V2, TRUE); break; case S_GDATA_V3: case S_LDATA_V3: if (do_globals) codeview_add_variable(msc_dbg, compiland, sym->data_v3.name, sym->data_v3.segment, sym->data_v3.offset, sym->data_v3.symtype, sym->generic.id == S_LDATA_V3, TRUE); break; /* Public symbols */ case S_PUB_V1: case S_PUB_V2: case S_PUB_V3: case S_PUB_FUNC1_V3: case S_PUB_FUNC2_V3: /* will be handled later on in codeview_snarf_public */ 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: symt_new_thunk(msc_dbg->module, compiland, 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: symt_new_thunk(msc_dbg->module, compiland, 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: if (curr_func) FIXME("nested function\n"); curr_func = symt_new_function(msc_dbg->module, compiland, 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)); loc.kind = loc_absolute; loc.offset = sym->proc_v1.debug_start; symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL); loc.offset = sym->proc_v1.debug_end; symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL); break; case S_GPROC_V2: case S_LPROC_V2: if (curr_func) FIXME("nested function\n"); curr_func = symt_new_function(msc_dbg->module, compiland, 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)); loc.kind = loc_absolute; loc.offset = sym->proc_v2.debug_start; symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL); loc.offset = sym->proc_v2.debug_end; symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL); break; case S_GPROC_V3: case S_LPROC_V3: if (curr_func) FIXME("nested function\n"); curr_func = symt_new_function(msc_dbg->module, compiland, 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)); loc.kind = loc_absolute; loc.offset = sym->proc_v3.debug_start; symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugStart, &loc, NULL); loc.offset = sym->proc_v3.debug_end; symt_add_function_point(msc_dbg->module, curr_func, SymTagFuncDebugEnd, &loc, NULL); break; /* * Function parameters and stack variables. */ case S_BPREL_V1: loc.kind = loc_regrel; loc.reg = 0; /* FIXME */ loc.offset = sym->stack_v1.offset; symt_add_func_local(msc_dbg->module, curr_func, sym->stack_v1.offset > 0 ? DataIsParam : DataIsLocal, &loc, block, codeview_get_type(sym->stack_v1.symtype, FALSE), terminate_string(&sym->stack_v1.p_name)); break; case S_BPREL_V2: loc.kind = loc_regrel; loc.reg = 0; /* FIXME */ loc.offset = sym->stack_v2.offset; symt_add_func_local(msc_dbg->module, curr_func, sym->stack_v2.offset > 0 ? DataIsParam : DataIsLocal, &loc, block, codeview_get_type(sym->stack_v2.symtype, FALSE), terminate_string(&sym->stack_v2.p_name)); break; case S_BPREL_V3: loc.kind = loc_regrel; loc.reg = 0; /* FIXME */ loc.offset = sym->stack_v3.offset; symt_add_func_local(msc_dbg->module, curr_func, sym->stack_v3.offset > 0 ? DataIsParam : DataIsLocal, &loc, block, codeview_get_type(sym->stack_v3.symtype, FALSE), sym->stack_v3.name); break; case S_BPREL_XXXX_V3: loc.kind = loc_regrel; loc.reg = 0; /* FIXME */ loc.offset = sym->stack_xxxx_v3.offset; WARN("Supposed stack variable %s (%d)\n", sym->stack_xxxx_v3.name, sym->stack_xxxx_v3.unknown); symt_add_func_local(msc_dbg->module, curr_func, sym->stack_xxxx_v3.offset > 0 ? DataIsParam : DataIsLocal, &loc, block, codeview_get_type(sym->stack_xxxx_v3.symtype, FALSE), sym->stack_xxxx_v3.name); break; case S_REGISTER_V1: loc.kind = loc_register; loc.reg = sym->register_v1.reg; loc.offset = 0; symt_add_func_local(msc_dbg->module, curr_func, DataIsLocal, &loc, block, codeview_get_type(sym->register_v1.type, FALSE), terminate_string(&sym->register_v1.p_name)); break; case S_REGISTER_V2: loc.kind = loc_register; loc.reg = sym->register_v2.reg; loc.offset = 0; symt_add_func_local(msc_dbg->module, curr_func, DataIsLocal, &loc, block, codeview_get_type(sym->register_v2.type, FALSE), terminate_string(&sym->register_v2.p_name)); break; case S_REGISTER_V3: loc.kind = loc_register; loc.reg = sym->register_v3.reg; loc.offset = 0; symt_add_func_local(msc_dbg->module, curr_func, DataIsLocal, &loc, block, codeview_get_type(sym->register_v3.type, FALSE), sym->register_v3.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; case S_COMPILAND_V1: TRACE("S-Compiland-V1 %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, debugstr_a(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, debugstr_a(ptr2)); ptr1 = ptr2 + strlen(ptr2) + 1; } } break; case S_OBJNAME_V1: TRACE("S-ObjName %s\n", terminate_string(&sym->objname_v1.p_name)); compiland = symt_new_compiland(msc_dbg->module, 0 /* FIXME */, source_new(msc_dbg->module, NULL, terminate_string(&sym->objname_v1.p_name))); break; case S_LABEL_V1: if (curr_func) { loc.kind = loc_absolute; loc.offset = codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset) - curr_func->address; symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel, &loc, terminate_string(&sym->label_v1.p_name)); } else symt_new_label(msc_dbg->module, compiland, terminate_string(&sym->label_v1.p_name), codeview_get_address(msc_dbg, sym->label_v1.segment, sym->label_v1.offset)); break; case S_LABEL_V3: if (curr_func) { loc.kind = loc_absolute; loc.offset = codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset) - curr_func->address; symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel, &loc, sym->label_v3.name); } else symt_new_label(msc_dbg->module, compiland, sym->label_v3.name, codeview_get_address(msc_dbg, sym->label_v3.segment, sym->label_v3.offset)); break; case S_CONSTANT_V1: { int vlen; const struct p_string* name; struct symt* se; VARIANT v; vlen = leaf_as_variant(&v, &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); TRACE("S-Constant-V1 %u %s %x\n", v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v1.type); symt_new_constant(msc_dbg->module, compiland, terminate_string(name), se, &v); } break; case S_CONSTANT_V2: { int vlen; const struct p_string* name; struct symt* se; VARIANT v; vlen = leaf_as_variant(&v, &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); TRACE("S-Constant-V2 %u %s %x\n", v.n1.n2.n3.intVal, terminate_string(name), sym->constant_v2.type); symt_new_constant(msc_dbg->module, compiland, terminate_string(name), se, &v); } break; case S_CONSTANT_V3: { int vlen; const char* name; struct symt* se; VARIANT v; vlen = leaf_as_variant(&v, &sym->constant_v3.cvalue); name = (const char*)&sym->constant_v3.cvalue + vlen; se = codeview_get_type(sym->constant_v3.type, FALSE); TRACE("S-Constant-V3 %u %s %x\n", v.n1.n2.n3.intVal, name, sym->constant_v3.type); /* FIXME: we should add this as a constant value */ symt_new_constant(msc_dbg->module, compiland, name, se, &v); } 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_MSTOOL_V3: /* just to silence a few warnings */ case S_MSTOOLINFO_V3: case S_MSTOOLENV_V3: break; case S_SSEARCH_V1: TRACE("Start search: seg=0x%x at offset 0x%08x\n", sym->ssearch_v1.segment, sym->ssearch_v1.offset); break; case S_ALIGN_V1: TRACE("S-Align V1\n"); break; /* the symbols we can safely ignore for now */ case 0x112c: case S_FUNCINFO_V2: case S_SECUCOOKIE_V3: case S_SECTINFO_V3: case S_SUBSECTINFO_V3: case S_ENTRYPOINT_V3: case 0x1139: TRACE("Unsupported symbol id %x\n", sym->generic.id); 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); return TRUE; } static int codeview_snarf_public(const struct msc_debug_info* msc_dbg, const BYTE* root, int offset, int size) { int i, length; struct symt_compiland* compiland = NULL; /* * 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 (!sym->generic.id || length < 4) break; if (length & 3) FIXME("unpadded len %u\n", length); switch (sym->generic.id) { case S_PUB_V1: /* FIXME is this really a 'data_v1' structure ?? */ if (!(dbghelp_options & SYMOPT_NO_PUBLICS)) { symt_new_public(msc_dbg->module, compiland, terminate_string(&sym->data_v1.p_name), codeview_get_address(msc_dbg, sym->data_v1.segment, sym->data_v1.offset), 1, TRUE /* FIXME */, TRUE /* FIXME */); } break; case S_PUB_V2: /* FIXME is this really a 'data_v2' structure ?? */ if (!(dbghelp_options & SYMOPT_NO_PUBLICS)) { symt_new_public(msc_dbg->module, compiland, terminate_string(&sym->data_v2.p_name), codeview_get_address(msc_dbg, sym->data_v2.segment, sym->data_v2.offset), 1, TRUE /* FIXME */, TRUE /* FIXME */); } break; case S_PUB_V3: if (!(dbghelp_options & SYMOPT_NO_PUBLICS)) { symt_new_public(msc_dbg->module, compiland, sym->data_v3.name, codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset), 1, 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 0 /* FIXME: this is plain wrong (from a simple test) */ if (!(dbghelp_options & SYMOPT_NO_PUBLICS)) { symt_new_public(msc_dbg->module, compiland, sym->data_v3.name, codeview_get_address(msc_dbg, sym->data_v3.segment, sym->data_v3.offset), 1, TRUE /* FIXME */, TRUE); } #endif break; /* * Global and local data symbols. We don't associate these * with any given source file. */ case S_GDATA_V1: case S_LDATA_V1: codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v1.p_name), sym->data_v1.segment, sym->data_v1.offset, sym->data_v1.symtype, sym->generic.id == S_LDATA_V1, FALSE); break; case S_GDATA_V2: case S_LDATA_V2: codeview_add_variable(msc_dbg, compiland, terminate_string(&sym->data_v2.p_name), sym->data_v2.segment, sym->data_v2.offset, sym->data_v2.symtype, sym->generic.id == S_LDATA_V2, FALSE); break; case S_GDATA_V3: case S_LDATA_V3: codeview_add_variable(msc_dbg, compiland, sym->data_v3.name, sym->data_v3.segment, sym->data_v3.offset, sym->data_v3.symtype, sym->generic.id == S_LDATA_V3, FALSE); 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: length += (((const char*)sym)[length] + 1 + 3) & ~3; break; } msc_dbg->module->sortlist_valid = TRUE; } msc_dbg->module->sortlist_valid = FALSE; return TRUE; } /*======================================================================== * Process PDB file. */ 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 (%u)\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 char* 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: pdb_free(pdb_lookup->u.jg.toc); break; case PDB_DS: 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 = 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 HANDLE open_pdb_file(const struct process* pcs, const struct pdb_lookup* lookup, struct module* module) { HANDLE h; char dbg_file_path[MAX_PATH]; BOOL ret = FALSE; switch (lookup->kind) { case PDB_JG: ret = path_find_symbol_file(pcs, lookup->filename, NULL, lookup->u.jg.timestamp, lookup->age, dbg_file_path, &module->module.PdbUnmatched); break; case PDB_DS: ret = path_find_symbol_file(pcs, lookup->filename, &lookup->u.ds.guid, 0, lookup->age, dbg_file_path, &module->module.PdbUnmatched); break; } if (!ret) { WARN("\tCouldn't find %s\n", lookup->filename); return NULL; } h = CreateFileA(dbg_file_path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); TRACE("%s: %s returns %p\n", lookup->filename, 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, const struct pdb_lookup* pdb_lookup) { BYTE* types_image = NULL; types_image = pdb_read_file(image, pdb_lookup, 2); if (types_image) { PDB_TYPES types; struct codeview_type_parse ctp; DWORD total; const BYTE* ptr; DWORD* offset; 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: /* VC 7.0 */ case 20040203: /* VC 8.0 */ break; default: ERR("-Unknown type info version %d\n", types.version); } ctp.module = msc_dbg->module; /* reconstruct the types offset... * FIXME: maybe it's present in the newest PDB_TYPES structures */ total = types.last_index - types.first_index + 1; offset = HeapAlloc(GetProcessHeap(), 0, sizeof(DWORD) * total); ctp.table = ptr = types_image + types.type_offset; ctp.num = 0; while (ptr < ctp.table + types.type_size && ctp.num < total) { offset[ctp.num++] = ptr - ctp.table; ptr += ((const union codeview_type*)ptr)->generic.len + 2; } ctp.offset = offset; /* Read type table */ codeview_parse_type_table(&ctp); HeapFree(GetProcessHeap(), 0, offset); 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"; /****************************************************************** * pdb_init * * Tries to load a pdb file * if do_fill is TRUE, then it just fills pdb_lookup with the information of the * file * if do_fill is FALSE, then it just checks that the kind of PDB (stored in * pdb_lookup) matches what's really in the file */ static BOOL pdb_init(struct pdb_lookup* pdb_lookup, const char* image, BOOL do_fill) { BOOL ret = TRUE; /* check the file header, and if ok, load the TOC */ TRACE("PDB(%s): %.40s\n", pdb_lookup->filename, debugstr_an(image, 40)); if (!memcmp(image, PDB_JG_IDENT, sizeof(PDB_JG_IDENT))) { 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 %d\n", root->Version); } if (do_fill) { pdb_lookup->kind = PDB_JG; pdb_lookup->u.jg.timestamp = root->TimeDateStamp; pdb_lookup->age = root->Age; } else if (pdb_lookup->kind != PDB_JG || pdb_lookup->u.jg.timestamp != root->TimeDateStamp || pdb_lookup->age != root->Age) ret = FALSE; TRACE("found JG/%c for %s: age=%x timestamp=%x\n", do_fill ? 'f' : '-', pdb_lookup->filename, root->Age, root->TimeDateStamp); pdb_free(root); } else if (!memcmp(image, PDB_DS_IDENT, sizeof(PDB_DS_IDENT))) { 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 %d\n", root->Version); } if (do_fill) { pdb_lookup->kind = PDB_DS; pdb_lookup->u.ds.guid = root->guid; pdb_lookup->age = root->Age; } else if (pdb_lookup->kind != PDB_DS || memcmp(&pdb_lookup->u.ds.guid, &root->guid, sizeof(GUID)) || pdb_lookup->age != root->Age) ret = FALSE; TRACE("found DS/%c for %s: age=%x guid=%s\n", do_fill ? 'f' : '-', pdb_lookup->filename, root->Age, debugstr_guid(&root->guid)); pdb_free(root); } 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 ret; } 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, const PDB_SYMBOLS* symbols, const void* symbols_image, const char* image, const 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 = 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; /* FIXME: this is an import of a JG PDB file * how's a DS PDB handled ? */ imp_pdb_lookup.filename = imp->filename; imp_pdb_lookup.kind = PDB_JG; imp_pdb_lookup.u.jg.timestamp = imp->TimeDateStamp; imp_pdb_lookup.age = imp->Age; TRACE("got for %s: age=%u ts=%x\n", imp->filename, imp->Age, 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; BYTE* symbols_image = NULL; char* files_image = NULL; DWORD files_size = 0; TRACE("Processing PDB file %s\n", pdb_lookup->filename); /* Open and map() .PDB file */ if ((hFile = open_pdb_file(pcs, pdb_lookup, msc_dbg->module)) == NULL || ((hMap = CreateFileMappingW(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, FALSE); symbols_image = pdb_read_file(image, pdb_lookup, 3); if (symbols_image) { PDB_SYMBOLS symbols; BYTE* globalimage; BYTE* modimage; BYTE* 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 %d %08x\n", symbols.version, symbols.version); } files_image = pdb_read_file(image, pdb_lookup, 12); /* FIXME: really fixed ??? */ if (files_image) { if (*(const DWORD*)files_image == 0xeffeeffe) { files_size = *(const DWORD*)(files_image + 8); } else { WARN("wrong header %x expecting 0xeffeeffe\n", *(const DWORD*)files_image); pdb_free(files_image); files_image = NULL; } } pdb_process_symbol_imports(pcs, msc_dbg, &symbols, symbols_image, image, pdb_lookup, module_index); /* Read global symbol table */ globalimage = pdb_read_file(image, pdb_lookup, symbols.gsym_file); if (globalimage) { codeview_snarf(msc_dbg, globalimage, 0, pdb_get_file_size(pdb_lookup, symbols.gsym_file), FALSE); } /* Read per-module symbols' 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) { if (sfile.symbol_size) codeview_snarf(msc_dbg, modimage, sizeof(DWORD), sfile.symbol_size, TRUE); if (sfile.lineno_size) codeview_snarf_linetab(msc_dbg, modimage + sfile.symbol_size, sfile.lineno_size, pdb_lookup->kind == PDB_JG); if (files_image) codeview_snarf_linetab2(msc_dbg, modimage + sfile.symbol_size + sfile.lineno_size, pdb_get_file_size(pdb_lookup, sfile.file) - sfile.symbol_size - sfile.lineno_size, files_image + 12, files_size); pdb_free(modimage); } file_name = (const char*)file + size; file_name += strlen(file_name) + 1; file = (BYTE*)((DWORD_PTR)(file_name + strlen(file_name) + 1 + 3) & ~3); } /* finish the remaining public and global information */ if (globalimage) { codeview_snarf_public(msc_dbg, globalimage, 0, pdb_get_file_size(pdb_lookup, symbols.gsym_file)); pdb_free(globalimage); } } else pdb_process_symbol_imports(pcs, msc_dbg, NULL, NULL, image, pdb_lookup, module_index); ret = TRUE; leave: /* Cleanup */ pdb_free(symbols_image); pdb_free(files_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(); if (ret) { msc_dbg->module->module.SymType = SymCv; if (pdb_lookup->kind == PDB_JG) msc_dbg->module->module.PdbSig = pdb_lookup->u.jg.timestamp; else msc_dbg->module->module.PdbSig70 = pdb_lookup->u.ds.guid; msc_dbg->module->module.PdbAge = pdb_lookup->age; MultiByteToWideChar(CP_ACP, 0, pdb_lookup->filename, -1, msc_dbg->module->module.LoadedPdbName, sizeof(msc_dbg->module->module.LoadedPdbName) / sizeof(WCHAR)); /* FIXME: we could have a finer grain here */ msc_dbg->module->module.LineNumbers = TRUE; msc_dbg->module->module.GlobalSymbols = TRUE; msc_dbg->module->module.TypeInfo = TRUE; msc_dbg->module->module.SourceIndexed = TRUE; msc_dbg->module->module.Publics = TRUE; } return ret; } BOOL pdb_fetch_file_info(struct pdb_lookup* pdb_lookup) { HANDLE hFile, hMap = NULL; char* image = NULL; BOOL ret = TRUE; if ((hFile = CreateFileA(pdb_lookup->filename, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL)) == INVALID_HANDLE_VALUE || ((hMap = CreateFileMappingW(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); ret = FALSE; } else { pdb_init(pdb_lookup, image, TRUE); pdb_free_lookup(pdb_lookup); } if (image) UnmapViewOfFile(image); if (hMap) CloseHandle(hMap); if (hFile != INVALID_HANDLE_VALUE) CloseHandle(hFile); 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') static BOOL codeview_process_info(const struct process* pcs, const struct msc_debug_info* msc_dbg) { const DWORD* signature = (const DWORD*)msc_dbg->root; BOOL ret = FALSE; struct pdb_lookup pdb_lookup; TRACE("Processing signature %.4s\n", (const char*)signature); switch (*signature) { case CODEVIEW_NB09_SIG: case CODEVIEW_NB11_SIG: { const OMFSignature* cv = (const OMFSignature*)msc_dbg->root; const OMFDirHeader* hdr = (const OMFDirHeader*)(msc_dbg->root + cv->filepos); const OMFDirEntry* ent; const OMFDirEntry* prev; const OMFDirEntry* next; unsigned int i; codeview_init_basic_types(msc_dbg->module); for (i = 0; i < hdr->cDir; i++) { ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader + i * hdr->cbDirEntry); if (ent->SubSection == sstGlobalTypes) { const OMFGlobalTypes* types; struct codeview_type_parse ctp; types = (const OMFGlobalTypes*)(msc_dbg->root + ent->lfo); ctp.module = msc_dbg->module; ctp.offset = (const DWORD*)(types + 1); ctp.num = types->cTypes; ctp.table = (const BYTE*)(ctp.offset + types->cTypes); cv_current_module = &cv_zmodules[0]; if (cv_current_module->allowed) FIXME("Already allowed ??\n"); cv_current_module->allowed = TRUE; codeview_parse_type_table(&ctp); break; } } ent = (const OMFDirEntry*)((const BYTE*)hdr + hdr->cbDirHeader); for (i = 0; i < hdr->cDir; i++, ent = next) { next = (i == hdr->cDir-1) ? NULL : (const OMFDirEntry*)((const BYTE*)ent + hdr->cbDirEntry); prev = (i == 0) ? NULL : (const OMFDirEntry*)((const BYTE*)ent - hdr->cbDirEntry); if (ent->SubSection == sstAlignSym) { codeview_snarf(msc_dbg, msc_dbg->root + ent->lfo, sizeof(DWORD), ent->cb, TRUE); /* * 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! */ if (next && next->iMod == ent->iMod && next->SubSection == sstSrcModule) codeview_snarf_linetab(msc_dbg, msc_dbg->root + next->lfo, next->cb, TRUE); if (prev && prev->iMod == ent->iMod && prev->SubSection == sstSrcModule) codeview_snarf_linetab(msc_dbg, msc_dbg->root + prev->lfo, prev->cb, TRUE); } } msc_dbg->module->module.SymType = SymCv; /* FIXME: we could have a finer grain here */ msc_dbg->module->module.LineNumbers = TRUE; msc_dbg->module->module.GlobalSymbols = TRUE; msc_dbg->module->module.TypeInfo = TRUE; msc_dbg->module->module.SourceIndexed = TRUE; msc_dbg->module->module.Publics = TRUE; codeview_clear_type_table(); ret = TRUE; break; } case CODEVIEW_NB10_SIG: { const CODEVIEW_PDB_DATA* pdb = (const CODEVIEW_PDB_DATA*)msc_dbg->root; pdb_lookup.filename = pdb->name; pdb_lookup.kind = PDB_JG; pdb_lookup.u.jg.timestamp = pdb->timestamp; pdb_lookup.u.jg.toc = NULL; pdb_lookup.age = pdb->age; ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup); break; } case CODEVIEW_RSDS_SIG: { const OMFSignatureRSDS* rsds = (const OMFSignatureRSDS*)msc_dbg->root; TRACE("Got RSDS type of PDB file: guid=%s age=%08x name=%s\n", wine_dbgstr_guid(&rsds->guid), rsds->age, 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; pdb_lookup.age = rsds->age; ret = pdb_process_file(pcs, msc_dbg, &pdb_lookup); break; } default: ERR("Unknown CODEVIEW signature %08x in module %s\n", *signature, debugstr_w(msc_dbg->module->module.ModuleName)); break; } if (ret) { msc_dbg->module->module.CVSig = *signature; memcpy(msc_dbg->module->module.CVData, msc_dbg->root, sizeof(msc_dbg->module->module.CVData)); } 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; }