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Added possibility to load .stabs/.stabstr sections from PE dlls. 

Unfortunately my samples use currently typedefs which wine-dbg does
not understand, so no actual parsing.
This commit is contained in:
Marcus Meissner 1999-02-14 09:27:42 +00:00 committed by Alexandre Julliard
parent fb0192236b
commit b178207920
4 changed files with 43 additions and 19 deletions
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5
debugger/hash.c
View File

@ -865,10 +865,7 @@ static void DEBUG_LoadEntryPoints32( HMODULE32 hModule, const char *name )
DEBUG_AddSymbol( buffer, &addr, NULL, SYM_WIN32 | SYM_FUNC );
}
}
dir = &PE_HEADER(hModule)->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG];
if (dir->Size)
DEBUG_RegisterDebugInfo(hModule, name, dir->VirtualAddress, dir->Size);
DEBUG_RegisterDebugInfo(hModule, name);
#undef RVA
}

52
debugger/msc.c
View File

@ -915,17 +915,21 @@ DEBUG_InitCVDataTypes()
* We don't fully process it here for performance reasons.
*/
int
DEBUG_RegisterDebugInfo( HMODULE32 hModule, const char *module_name,
u_long v_addr, u_long size)
DEBUG_RegisterDebugInfo( HMODULE32 hModule, const char *module_name)
{
int has_codeview = FALSE;
int rtn = FALSE;
int orig_size;
PIMAGE_DEBUG_DIRECTORY dbgptr;
u_long v_addr, size;
PIMAGE_NT_HEADERS nth = PE_HEADER(hModule);
orig_size = size;
dbgptr = (PIMAGE_DEBUG_DIRECTORY) (hModule + v_addr);
for(; size >= sizeof(*dbgptr); size -= sizeof(*dbgptr), dbgptr++ )
size = nth->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG].Size;
if (size) {
v_addr = nth->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_DEBUG].VirtualAddress;
dbgptr = (PIMAGE_DEBUG_DIRECTORY) (hModule + v_addr);
orig_size = size;
for(; size >= sizeof(*dbgptr); size -= sizeof(*dbgptr), dbgptr++ )
{
switch(dbgptr->Type)
{
@ -936,9 +940,9 @@ DEBUG_RegisterDebugInfo( HMODULE32 hModule, const char *module_name,
}
}
size = orig_size;
dbgptr = (PIMAGE_DEBUG_DIRECTORY) (hModule + v_addr);
for(; size >= sizeof(*dbgptr); size -= sizeof(*dbgptr), dbgptr++ )
size = orig_size;
dbgptr = (PIMAGE_DEBUG_DIRECTORY) (hModule + v_addr);
for(; size >= sizeof(*dbgptr); size -= sizeof(*dbgptr), dbgptr++ )
{
switch(dbgptr->Type)
{
@ -1029,11 +1033,35 @@ DEBUG_RegisterDebugInfo( HMODULE32 hModule, const char *module_name,
default:
}
}
DEBUG_next_index++;
DEBUG_next_index++;
}
/* look for .stabs/.stabstr sections */
{
PIMAGE_SECTION_HEADER pe_seg = PE_SECTIONS(hModule);
int i,stabsize=0,stabstrsize=0;
unsigned int stabs=0,stabstr=0;
for (i=0;i<nth->FileHeader.NumberOfSections;i++) {
if (!strcasecmp(pe_seg[i].Name,".stab")) {
stabs = pe_seg[i].VirtualAddress;
stabsize = pe_seg[i].SizeOfRawData;
}
if (!strncasecmp(pe_seg[i].Name,".stabstr",8)) {
stabstr = pe_seg[i].VirtualAddress;
stabstrsize = pe_seg[i].SizeOfRawData;
}
}
if (stabstrsize && stabsize) {
#ifdef _WE_SUPPORT_THE_STAB_TYPES_USED_BY_MINGW_TOO
/* Won't work currently, since MINGW32 uses some special typedefs
* which we do not handle yet. Support for them is a bit difficult.
*/
DEBUG_ParseStabs(hModule,0,stabs,stabsize,stabstr,stabstrsize);
#endif
fprintf(stderr,"(stabs not loaded)");
}
}
return (rtn);
}
/*

1
debugger/stabs.c
View File

@ -620,7 +620,6 @@ DEBUG_ParseStabType(const char * stab)
return stab_types[DEBUG_ReadTypeEnum(&c)];
}
static
int
DEBUG_ParseStabs(char * addr, unsigned int load_offset,
unsigned int staboff, int stablen,

4
include/debugger.h
View File

@ -271,10 +271,10 @@ extern int DEBUG_GetCurrentFrame(struct name_hash ** name,
/* debugger/stabs.c */
extern int DEBUG_ReadExecutableDbgInfo(void);
extern int DEBUG_ParseStabs(char * addr, unsigned int load_offset, unsigned int staboff, int stablen, unsigned int strtaboff, int strtablen);
/* debugger/msc.c */
extern int DEBUG_RegisterDebugInfo( HMODULE32, const char *,
unsigned long, unsigned long);
extern int DEBUG_RegisterDebugInfo( HMODULE32, const char *);
extern int DEBUG_ProcessDeferredDebug(void);
extern int DEBUG_RegisterELFDebugInfo(int load_addr, u_long size, char * name);
extern void DEBUG_InfoShare(void);