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dbghelp: Added support for labels outside functions (and used it in msc parsing).

This commit is contained in:
Eric Pouech 2008-02-06 21:55:47 +01:00 committed by Alexandre Julliard
parent aaa2862bf9
commit a4dfe1b042
5 changed files with 59 additions and 21 deletions
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12
dlls/dbghelp/dbghelp_private.h
View File

@ -206,12 +206,12 @@ struct symt_function
struct vector vchildren; /* locals, params, blocks, start/end, labels */
};
struct symt_function_point
struct symt_hierarchy_point
{
struct symt symt; /* either SymTagFunctionDebugStart, SymTagFunctionDebugEnd, SymTagLabel */
struct symt_function* parent;
struct hash_table_elt hash_elt; /* if label (and in compiland's hash table if global) */
struct symt* parent; /* symt_function or symt_compiland */
struct location loc;
const char* name; /* for labels */
};
struct symt_public
@ -548,7 +548,7 @@ extern struct symt_block*
symt_close_func_block(struct module* module,
struct symt_function* func,
struct symt_block* block, unsigned pc);
extern struct symt_function_point*
extern struct symt_hierarchy_point*
symt_add_function_point(struct module* module,
struct symt_function* func,
enum SymTagEnum point,
@ -568,6 +568,10 @@ extern struct symt_data*
struct symt_compiland* parent,
const char* name, struct symt* type,
const VARIANT* v);
extern struct symt_hierarchy_point*
symt_new_label(struct module* module,
struct symt_compiland* compiland,
const char* name, unsigned long address);
/* type.c */
extern void symt_init_basic(struct module* module);

2
dlls/dbghelp/dwarf.c
View File

@ -2070,7 +2070,7 @@ static enum location_error loc_compute_frame(struct process* pcs,
psym = vector_at(&func->vchildren, i);
if ((*psym)->tag == SymTagCustom)
{
pframe = &((struct symt_function_point*)*psym)->loc;
pframe = &((struct symt_hierarchy_point*)*psym)->loc;
/* First, recompute the frame information, if needed */
switch (pframe->kind)

10
dlls/dbghelp/msc.c
View File

@ -1588,9 +1588,9 @@ static int codeview_snarf(const struct msc_debug_info* msc_dbg, const BYTE* root
symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel, &loc,
terminate_string(&sym->label_v1.p_name));
}
else
FIXME("No current function for label %s\n",
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)
@ -1600,8 +1600,8 @@ static int codeview_snarf(const struct msc_debug_info* msc_dbg, const BYTE* root
symt_add_function_point(msc_dbg->module, curr_func, SymTagLabel,
&loc, sym->label_v3.name);
}
else
FIXME("No current function for label %s\n", 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:

36
dlls/dbghelp/symbol.c
View File

@ -374,21 +374,21 @@ struct symt_block* symt_close_func_block(struct module* module,
GET_ENTRY(block->container, struct symt_block, symt) : NULL;
}
struct symt_function_point* symt_add_function_point(struct module* module,
struct symt_hierarchy_point* symt_add_function_point(struct module* module,
struct symt_function* func,
enum SymTagEnum point,
const struct location* loc,
const char* name)
{
struct symt_function_point* sym;
struct symt_hierarchy_point*sym;
struct symt** p;
if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
{
sym->symt.tag = point;
sym->parent = func;
sym->parent = &func->symt;
sym->loc = *loc;
sym->name = name ? pool_strdup(&module->pool, name) : NULL;
sym->hash_elt.name = name ? pool_strdup(&module->pool, name) : NULL;
p = vector_add(&func->vchildren, &module->pool);
*p = &sym->symt;
}
@ -478,6 +478,34 @@ struct symt_data* symt_new_constant(struct module* module,
return sym;
}
struct symt_hierarchy_point* symt_new_label(struct module* module,
struct symt_compiland* compiland,
const char* name, unsigned long address)
{
struct symt_hierarchy_point* sym;
TRACE_(dbghelp_symt)("Adding global label value %s:%s\n",
debugstr_w(module->module.ModuleName), name);
if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
{
sym->symt.tag = SymTagLabel;
sym->hash_elt.name = pool_strdup(&module->pool, name);
hash_table_add(&module->ht_symbols, &sym->hash_elt);
module->sortlist_valid = FALSE;
sym->loc.kind = loc_absolute;
sym->loc.offset = address;
sym->parent = compiland ? &compiland->symt : NULL;
if (compiland)
{
struct symt** p;
p = vector_add(&compiland->vchildren, &module->pool);
*p = &sym->symt;
}
}
return sym;
}
/* expect sym_info->MaxNameLen to be set before being called */
static void symt_fill_sym_info(const struct module_pair* pair,
const struct symt_function* func,

12
dlls/dbghelp/type.c
View File

@ -83,7 +83,7 @@ const char* symt_get_name(const struct symt* sym)
case SymTagFunction: return ((const struct symt_function*)sym)->hash_elt.name;
case SymTagPublicSymbol: return ((const struct symt_public*)sym)->hash_elt.name;
case SymTagBaseType: return ((const struct symt_basic*)sym)->hash_elt.name;
case SymTagLabel: return ((const struct symt_function_point*)sym)->name;
case SymTagLabel: return ((const struct symt_hierarchy_point*)sym)->hash_elt.name;
case SymTagThunk: return ((const struct symt_thunk*)sym)->hash_elt.name;
/* hierarchy tree */
case SymTagEnum: return ((const struct symt_enum*)sym)->name;
@ -518,8 +518,10 @@ BOOL symt_get_info(const struct symt* type, IMAGEHLP_SYMBOL_TYPE_INFO req,
case SymTagFuncDebugStart:
case SymTagFuncDebugEnd:
case SymTagLabel:
X(ULONG64) = ((const struct symt_function_point*)type)->parent->address +
((const struct symt_function_point*)type)->loc.offset;
if (!symt_get_info(((const struct symt_hierarchy_point*)type)->parent,
req, pInfo))
return FALSE;
X(ULONG64) += ((const struct symt_hierarchy_point*)type)->loc.offset;
break;
case SymTagThunk:
X(ULONG64) = ((const struct symt_thunk*)type)->address;
@ -648,6 +650,9 @@ BOOL symt_get_info(const struct symt* type, IMAGEHLP_SYMBOL_TYPE_INFO req,
case SymTagThunk:
X(DWORD64) = ((const struct symt_thunk*)type)->size;
break;
case SymTagLabel:
X(DWORD64) = 0;
break;
default:
FIXME("Unsupported sym-tag %s for get-length\n",
symt_get_tag_str(type->tag));
@ -768,6 +773,7 @@ BOOL symt_get_info(const struct symt* type, IMAGEHLP_SYMBOL_TYPE_INFO req,
symt_get_tag_str(type->tag));
case SymTagPublicSymbol:
case SymTagThunk:
case SymTagLabel:
return FALSE;
}
break;