dbghelp/dwarf: Add current block as a field in dwarf2_subprogram_t.

Instead of passing it as a parameter in various subprogram related
functions.

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Eric Pouech 2021-10-28 08:57:38 +02:00 committed by Alexandre Julliard
parent b9290c987a
commit ecb91941b3
1 changed files with 30 additions and 29 deletions

View File

@ -1812,6 +1812,7 @@ typedef struct dwarf2_subprogram_s
{
dwarf2_parse_context_t* ctx;
struct symt_function* func;
struct symt_block* current_block;
BOOL non_computed_variable;
struct location frame;
} dwarf2_subprogram_t;
@ -1822,7 +1823,6 @@ typedef struct dwarf2_subprogram_s
* Parses any variable (parameter, local/global variable)
*/
static void dwarf2_parse_variable(dwarf2_subprogram_t* subpgm,
struct symt_block* block,
dwarf2_debug_info_t* di)
{
struct symt* param_type;
@ -1832,7 +1832,7 @@ static void dwarf2_parse_variable(dwarf2_subprogram_t* subpgm,
TRACE("%s\n", dwarf2_debug_di(di));
is_pmt = !block && di->abbrev->tag == DW_TAG_formal_parameter;
is_pmt = !subpgm->current_block && di->abbrev->tag == DW_TAG_formal_parameter;
param_type = dwarf2_lookup_type(di);
if (!dwarf2_find_attribute(di, DW_AT_name, &name)) {
@ -1873,7 +1873,7 @@ static void dwarf2_parse_variable(dwarf2_subprogram_t* subpgm,
if (subpgm->func)
symt_add_func_local(subpgm->ctx->module_ctx->module, subpgm->func,
is_pmt ? DataIsParam : DataIsLocal,
&loc, block, param_type, name.u.string);
&loc, subpgm->current_block, param_type, name.u.string);
break;
}
}
@ -1939,7 +1939,7 @@ static void dwarf2_parse_variable(dwarf2_subprogram_t* subpgm,
{
if (is_pmt) FIXME("Unsupported constant (parameter) %s in function '%s'\n", debugstr_a(name.u.string), subpgm->func->hash_elt.name);
di->symt = &symt_add_func_constant(subpgm->ctx->module_ctx->module,
subpgm->func, block,
subpgm->func, subpgm->current_block,
param_type, name.u.string, &v)->symt;
}
else
@ -1955,7 +1955,7 @@ static void dwarf2_parse_variable(dwarf2_subprogram_t* subpgm,
loc.reg = loc_err_no_location;
symt_add_func_local(subpgm->ctx->module_ctx->module, subpgm->func,
is_pmt ? DataIsParam : DataIsLocal,
&loc, block, param_type, name.u.string);
&loc, subpgm->current_block, param_type, name.u.string);
}
else
{
@ -1994,16 +1994,13 @@ static void dwarf2_parse_subprogram_label(dwarf2_subprogram_t* subpgm,
}
static void dwarf2_parse_subprogram_block(dwarf2_subprogram_t* subpgm,
struct symt_block* parent_block,
dwarf2_debug_info_t* di);
dwarf2_debug_info_t* di);
static struct symt* dwarf2_parse_subroutine_type(dwarf2_debug_info_t* di);
static void dwarf2_parse_inlined_subroutine(dwarf2_subprogram_t* subpgm,
struct symt_block* parent_block,
dwarf2_debug_info_t* di)
{
struct symt_block* block;
ULONG_PTR low_pc, high_pc;
struct vector* children;
dwarf2_debug_info_t*child;
@ -2017,9 +2014,9 @@ static void dwarf2_parse_inlined_subroutine(dwarf2_subprogram_t* subpgm,
return;
}
block = symt_open_func_block(subpgm->ctx->module_ctx->module, subpgm->func, parent_block,
subpgm->ctx->module_ctx->load_offset + low_pc - subpgm->func->address,
high_pc - low_pc);
subpgm->current_block = symt_open_func_block(subpgm->ctx->module_ctx->module, subpgm->func, subpgm->current_block,
subpgm->ctx->module_ctx->load_offset + low_pc - subpgm->func->address,
high_pc - low_pc);
children = dwarf2_get_di_children(di);
if (children) for (i = 0; i < vector_length(children); i++)
@ -2030,13 +2027,13 @@ static void dwarf2_parse_inlined_subroutine(dwarf2_subprogram_t* subpgm,
{
case DW_TAG_formal_parameter:
case DW_TAG_variable:
dwarf2_parse_variable(subpgm, block, child);
dwarf2_parse_variable(subpgm, child);
break;
case DW_TAG_lexical_block:
dwarf2_parse_subprogram_block(subpgm, block, child);
dwarf2_parse_subprogram_block(subpgm, child);
break;
case DW_TAG_inlined_subroutine:
dwarf2_parse_inlined_subroutine(subpgm, block, child);
dwarf2_parse_inlined_subroutine(subpgm, child);
break;
case DW_TAG_label:
dwarf2_parse_subprogram_label(subpgm, child);
@ -2049,14 +2046,14 @@ static void dwarf2_parse_inlined_subroutine(dwarf2_subprogram_t* subpgm,
child->abbrev->tag, dwarf2_debug_di(di));
}
}
symt_close_func_block(subpgm->ctx->module_ctx->module, subpgm->func, block, 0);
symt_close_func_block(subpgm->ctx->module_ctx->module, subpgm->func, subpgm->current_block, 0);
subpgm->current_block = symt_check_tag(subpgm->current_block->container, SymTagBlock) ?
(struct symt_block*)subpgm->current_block->container : NULL;
}
static void dwarf2_parse_subprogram_block(dwarf2_subprogram_t* subpgm,
struct symt_block* parent_block,
dwarf2_debug_info_t* di)
{
struct symt_block* block;
ULONG_PTR low_pc, high_pc;
struct vector* children;
dwarf2_debug_info_t*child;
@ -2070,9 +2067,9 @@ static void dwarf2_parse_subprogram_block(dwarf2_subprogram_t* subpgm,
return;
}
block = symt_open_func_block(subpgm->ctx->module_ctx->module, subpgm->func, parent_block,
subpgm->ctx->module_ctx->load_offset + low_pc - subpgm->func->address,
high_pc - low_pc);
subpgm->current_block = symt_open_func_block(subpgm->ctx->module_ctx->module, subpgm->func, subpgm->current_block,
subpgm->ctx->module_ctx->load_offset + low_pc - subpgm->func->address,
high_pc - low_pc);
children = dwarf2_get_di_children(di);
if (children) for (i = 0; i < vector_length(children); i++)
@ -2082,10 +2079,10 @@ static void dwarf2_parse_subprogram_block(dwarf2_subprogram_t* subpgm,
switch (child->abbrev->tag)
{
case DW_TAG_inlined_subroutine:
dwarf2_parse_inlined_subroutine(subpgm, block, child);
dwarf2_parse_inlined_subroutine(subpgm, child);
break;
case DW_TAG_variable:
dwarf2_parse_variable(subpgm, block, child);
dwarf2_parse_variable(subpgm, child);
break;
case DW_TAG_pointer_type:
dwarf2_parse_pointer_type(child);
@ -2097,7 +2094,7 @@ static void dwarf2_parse_subprogram_block(dwarf2_subprogram_t* subpgm,
dwarf2_parse_const_type(child);
break;
case DW_TAG_lexical_block:
dwarf2_parse_subprogram_block(subpgm, block, child);
dwarf2_parse_subprogram_block(subpgm, child);
break;
case DW_TAG_subprogram:
/* FIXME: likely a declaration (to be checked)
@ -2131,7 +2128,9 @@ static void dwarf2_parse_subprogram_block(dwarf2_subprogram_t* subpgm,
}
}
symt_close_func_block(subpgm->ctx->module_ctx->module, subpgm->func, block, 0);
symt_close_func_block(subpgm->ctx->module_ctx->module, subpgm->func, subpgm->current_block, 0);
subpgm->current_block = symt_check_tag(subpgm->current_block->container, SymTagBlock) ?
(struct symt_block*)subpgm->current_block->container : NULL;
}
static struct symt* dwarf2_parse_subprogram(dwarf2_debug_info_t* di)
@ -2203,6 +2202,7 @@ static struct symt* dwarf2_parse_subprogram(dwarf2_debug_info_t* di)
subpgm.frame.offset = 0;
}
subpgm.non_computed_variable = FALSE;
subpgm.current_block = NULL;
children = dwarf2_get_di_children(di);
if (children) for (i = 0; i < vector_length(children); i++)
@ -2213,13 +2213,13 @@ static struct symt* dwarf2_parse_subprogram(dwarf2_debug_info_t* di)
{
case DW_TAG_variable:
case DW_TAG_formal_parameter:
dwarf2_parse_variable(&subpgm, NULL, child);
dwarf2_parse_variable(&subpgm, child);
break;
case DW_TAG_lexical_block:
dwarf2_parse_subprogram_block(&subpgm, NULL, child);
dwarf2_parse_subprogram_block(&subpgm, child);
break;
case DW_TAG_inlined_subroutine:
dwarf2_parse_inlined_subroutine(&subpgm, NULL, child);
dwarf2_parse_inlined_subroutine(&subpgm, child);
break;
case DW_TAG_pointer_type:
dwarf2_parse_pointer_type(child);
@ -2396,10 +2396,11 @@ static void dwarf2_load_one_entry(dwarf2_debug_info_t* di)
subpgm.ctx = di->unit_ctx;
subpgm.func = NULL;
subpgm.current_block = NULL;
subpgm.frame.kind = loc_absolute;
subpgm.frame.offset = 0;
subpgm.frame.reg = Wine_DW_no_register;
dwarf2_parse_variable(&subpgm, NULL, di);
dwarf2_parse_variable(&subpgm, di);
}
break;
case DW_TAG_namespace: