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dbghelp: Change the definition of an attribute so that we can pass around the form.

This commit is contained in:
Eric Pouech 2006-09-25 22:41:10 +02:00 committed by Alexandre Julliard
parent f8e06dd613
commit 4432a1fa91
1 changed files with 238 additions and 181 deletions
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433
dlls/dbghelp/dwarf.c
View File

@ -108,7 +108,8 @@ static void dump(const void* ptr, unsigned len)
* Parsers
*/
typedef struct dwarf2_abbrev_entry_attr_s {
typedef struct dwarf2_abbrev_entry_attr_s
{
unsigned long attribute;
unsigned long form;
struct dwarf2_abbrev_entry_attr_s* next;
@ -131,21 +132,21 @@ struct dwarf2_block
struct attribute
{
unsigned long form;
union
{
unsigned long uvalue;
long svalue;
const char* string;
struct dwarf2_block* block;
struct dwarf2_block block;
} u;
};
typedef struct dwarf2_debug_info_s
{
unsigned long offset;
const dwarf2_abbrev_entry_t*abbrev;
struct symt* symt;
struct attribute* attributes;
const unsigned char** data;
struct vector children;
} dwarf2_debug_info_t;
@ -160,82 +161,106 @@ enum dwarf2_sections {section_debug, section_string, section_abbrev, section_lin
typedef struct dwarf2_traverse_context_s
{
const dwarf2_section_t* sections;
unsigned section;
const unsigned char* data;
const unsigned char* start_data;
const unsigned char* end_data;
unsigned long offset;
unsigned char word_size;
} dwarf2_traverse_context_t;
typedef struct dwarf2_parse_context_s
{
const dwarf2_section_t* sections;
unsigned section;
struct pool pool;
struct module* module;
const struct elf_thunk_area*thunks;
struct sparse_array abbrev_table;
struct sparse_array debug_info_table;
unsigned long ref_offset;
unsigned char word_size;
} dwarf2_parse_context_t;
/* forward declarations */
static struct symt* dwarf2_parse_enumeration_type(dwarf2_parse_context_t* ctx, dwarf2_debug_info_t* entry);
static unsigned char dwarf2_get_byte(const unsigned char* ptr)
{
return *ptr;
}
static unsigned char dwarf2_parse_byte(dwarf2_traverse_context_t* ctx)
{
unsigned char uvalue = *(const unsigned char*) ctx->data;
unsigned char uvalue = dwarf2_get_byte(ctx->data);
ctx->data += 1;
return uvalue;
}
static unsigned short dwarf2_get_u2(const unsigned char* ptr)
{
return *(const unsigned short*)ptr;
}
static unsigned short dwarf2_parse_u2(dwarf2_traverse_context_t* ctx)
{
unsigned short uvalue = *(const unsigned short*) ctx->data;
unsigned short uvalue = dwarf2_get_u2(ctx->data);
ctx->data += 2;
return uvalue;
}
static unsigned long dwarf2_get_u4(const unsigned char* ptr)
{
return *(const unsigned long*)ptr;
}
static unsigned long dwarf2_parse_u4(dwarf2_traverse_context_t* ctx)
{
unsigned long uvalue = *(const unsigned int*) ctx->data;
unsigned long uvalue = dwarf2_get_u4(ctx->data);
ctx->data += 4;
return uvalue;
}
static unsigned long dwarf2_leb128_as_unsigned(dwarf2_traverse_context_t* ctx)
static unsigned long dwarf2_get_leb128_as_unsigned(const unsigned char* ptr, const unsigned char** end)
{
unsigned long ret = 0;
unsigned char byte;
unsigned shift = 0;
assert( NULL != ctx );
do
{
byte = dwarf2_parse_byte(ctx);
byte = dwarf2_get_byte(ptr++);
ret |= (byte & 0x7f) << shift;
shift += 7;
} while (byte & 0x80);
if (end) *end = ptr;
return ret;
}
static long dwarf2_leb128_as_signed(dwarf2_traverse_context_t* ctx)
static unsigned long dwarf2_leb128_as_unsigned(dwarf2_traverse_context_t* ctx)
{
unsigned long ret;
assert(ctx);
ret = dwarf2_get_leb128_as_unsigned(ctx->data, &ctx->data);
return ret;
}
static long dwarf2_get_leb128_as_signed(const unsigned char* ptr, const unsigned char** end)
{
long ret = 0;
unsigned char byte;
unsigned shift = 0;
const unsigned size = sizeof(int) * 8;
assert( NULL != ctx );
do
{
byte = dwarf2_parse_byte(ctx);
byte = dwarf2_get_byte(ptr++);
ret |= (byte & 0x7f) << shift;
shift += 7;
} while (byte & 0x80);
if (end) *end = ptr;
/* as spec: sign bit of byte is 2nd high order bit (80x40)
* -> 0x80 is used as flag.
@ -247,25 +272,49 @@ static long dwarf2_leb128_as_signed(dwarf2_traverse_context_t* ctx)
return ret;
}
static unsigned long dwarf2_parse_addr(dwarf2_traverse_context_t* ctx)
static long dwarf2_leb128_as_signed(dwarf2_traverse_context_t* ctx)
{
long ret = 0;
assert(ctx);
ret = dwarf2_get_leb128_as_signed(ctx->data, &ctx->data);
return ret;
}
static unsigned dwarf2_leb128_length(const dwarf2_traverse_context_t* ctx)
{
unsigned ret;
for (ret = 0; ctx->data[ret] & 0x80; ret++);
return ret + 1;
}
static unsigned long dwarf2_get_addr(const unsigned char* ptr, unsigned word_size)
{
unsigned long ret;
switch (ctx->word_size)
switch (word_size)
{
case 4:
ret = dwarf2_parse_u4(ctx);
ret = dwarf2_get_u4(ptr);
break;
default:
FIXME("Unsupported Word Size %u\n", ctx->word_size);
FIXME("Unsupported Word Size %u\n", word_size);
ret = 0;
}
return ret;
}
static unsigned long dwarf2_parse_addr(dwarf2_traverse_context_t* ctx)
{
unsigned long ret = dwarf2_get_addr(ctx->data, ctx->word_size);
ctx->data += ctx->word_size;
return ret;
}
static const char* dwarf2_debug_traverse_ctx(const dwarf2_traverse_context_t* ctx)
{
return wine_dbg_sprintf("ctx(0x%x)", ctx->data - ctx->sections[ctx->section].address);
return wine_dbg_sprintf("ctx(%p)", ctx->data);
}
static const char* dwarf2_debug_ctx(const dwarf2_parse_context_t* ctx)
@ -275,8 +324,8 @@ static const char* dwarf2_debug_ctx(const dwarf2_parse_context_t* ctx)
static const char* dwarf2_debug_di(dwarf2_debug_info_t* di)
{
return wine_dbg_sprintf("debug_info(offset:0x%lx,abbrev:%p,symt:%p)",
di->offset, di->abbrev, di->symt);
return wine_dbg_sprintf("debug_info(abbrev:%p,symt:%p)",
di->abbrev, di->symt);
}
static dwarf2_abbrev_entry_t*
@ -349,126 +398,44 @@ static void dwarf2_parse_abbrev_set(dwarf2_traverse_context_t* abbrev_ctx,
TRACE("found %u entries\n", sparse_array_length(abbrev_table));
}
static void dwarf2_parse_attr_into_di(struct pool* pool,
dwarf2_traverse_context_t* ctx,
const dwarf2_abbrev_entry_attr_t* abbrev_attr,
struct attribute* attr)
static void dwarf2_swallow_attribute(dwarf2_traverse_context_t* ctx,
const dwarf2_abbrev_entry_attr_t* abbrev_attr)
{
unsigned step;
TRACE("(attr:0x%lx,form:0x%lx)\n", abbrev_attr->attribute, abbrev_attr->form);
switch (abbrev_attr->form) {
case DW_FORM_ref_addr:
case DW_FORM_addr:
attr->u.uvalue = dwarf2_parse_addr(ctx);
TRACE("addr<0x%lx>\n", attr->u.uvalue);
break;
case DW_FORM_flag:
attr->u.uvalue = dwarf2_parse_byte(ctx);
TRACE("flag<0x%lx>\n", attr->u.uvalue);
break;
case DW_FORM_data1:
attr->u.uvalue = dwarf2_parse_byte(ctx);
TRACE("data1<%lu>\n", attr->u.uvalue);
break;
case DW_FORM_data2:
attr->u.uvalue = dwarf2_parse_u2(ctx);
TRACE("data2<%lu>\n", attr->u.uvalue);
break;
case DW_FORM_data4:
attr->u.uvalue = dwarf2_parse_u4(ctx);
TRACE("data4<%lu>\n", attr->u.uvalue);
break;
case DW_FORM_data8:
FIXME("Unhandled 64bits support\n");
ctx->data += 8;
break;
case DW_FORM_ref1:
attr->u.uvalue = ctx->offset + dwarf2_parse_byte(ctx);
TRACE("ref1<0x%lx>\n", attr->u.uvalue);
break;
case DW_FORM_ref2:
attr->u.uvalue = ctx->offset + dwarf2_parse_u2(ctx);
TRACE("ref2<0x%lx>\n", attr->u.uvalue);
break;
case DW_FORM_ref4:
attr->u.uvalue = ctx->offset + dwarf2_parse_u4(ctx);
TRACE("ref4<0x%lx>\n", attr->u.uvalue);
break;
case DW_FORM_ref8:
FIXME("Unhandled 64 bit support\n");
ctx->data += 8;
break;
case DW_FORM_sdata:
attr->u.svalue = dwarf2_leb128_as_signed(ctx);
break;
case DW_FORM_ref_udata:
attr->u.uvalue = dwarf2_leb128_as_unsigned(ctx);
break;
case DW_FORM_udata:
attr->u.uvalue = dwarf2_leb128_as_unsigned(ctx);
break;
case DW_FORM_string:
attr->u.string = (const char*)ctx->data;
ctx->data += strlen(attr->u.string) + 1;
TRACE("string<%s>\n", attr->u.string);
break;
case DW_FORM_strp:
switch (abbrev_attr->form)
{
unsigned long offset = dwarf2_parse_u4(ctx);
attr->u.string = (const char*)ctx->sections[section_string].address + offset;
}
TRACE("strp<%s>\n", attr->u.string);
break;
case DW_FORM_block:
attr->u.block = pool_alloc(pool, sizeof(struct dwarf2_block));
attr->u.block->size = dwarf2_leb128_as_unsigned(ctx);
attr->u.block->ptr = ctx->data;
ctx->data += attr->u.block->size;
break;
case DW_FORM_block1:
attr->u.block = pool_alloc(pool, sizeof(struct dwarf2_block));
attr->u.block->size = dwarf2_parse_byte(ctx);
attr->u.block->ptr = ctx->data;
ctx->data += attr->u.block->size;
break;
case DW_FORM_block2:
attr->u.block = pool_alloc(pool, sizeof(struct dwarf2_block));
attr->u.block->size = dwarf2_parse_u2(ctx);
attr->u.block->ptr = ctx->data;
ctx->data += attr->u.block->size;
break;
case DW_FORM_block4:
attr->u.block = pool_alloc(pool, sizeof(struct dwarf2_block));
attr->u.block->size = dwarf2_parse_u4(ctx);
attr->u.block->ptr = ctx->data;
ctx->data += attr->u.block->size;
break;
case DW_FORM_ref_addr:
case DW_FORM_addr: step = ctx->word_size; break;
case DW_FORM_flag:
case DW_FORM_data1:
case DW_FORM_ref1: step = 1; break;
case DW_FORM_data2:
case DW_FORM_ref2: step = 2; break;
case DW_FORM_data4:
case DW_FORM_ref4:
case DW_FORM_strp: step = 4; break;
case DW_FORM_data8:
case DW_FORM_ref8: step = 8; break;
case DW_FORM_sdata:
case DW_FORM_ref_udata:
case DW_FORM_udata: step = dwarf2_leb128_length(ctx); break;
case DW_FORM_string: step = strlen((const char*)ctx->data) + 1; break;
case DW_FORM_block: step = dwarf2_leb128_as_unsigned(ctx); break;
case DW_FORM_block1: step = dwarf2_parse_byte(ctx); break;
case DW_FORM_block2: step = dwarf2_parse_u2(ctx); break;
case DW_FORM_block4: step = dwarf2_parse_u4(ctx); break;
default:
FIXME("Unhandled attribute form %lx\n", abbrev_attr->form);
break;
return;
}
ctx->data += step;
}
static BOOL dwarf2_find_attribute(const dwarf2_debug_info_t* di,
static BOOL dwarf2_find_attribute(const dwarf2_parse_context_t* ctx,
const dwarf2_debug_info_t* di,
unsigned at, struct attribute* attr)
{
unsigned i;
@ -478,7 +445,105 @@ static BOOL dwarf2_find_attribute(const dwarf2_debug_info_t* di,
{
if (abbrev_attr->attribute == at)
{
*attr = di->attributes[i];
attr->form = abbrev_attr->form;
switch (attr->form)
{
case DW_FORM_ref_addr:
case DW_FORM_addr:
attr->u.uvalue = dwarf2_get_addr(di->data[i], ctx->word_size);
TRACE("addr<0x%lx>\n", attr->u.uvalue);
break;
case DW_FORM_flag:
attr->u.uvalue = dwarf2_get_byte(di->data[i]);
TRACE("flag<0x%lx>\n", attr->u.uvalue);
break;
case DW_FORM_data1:
attr->u.uvalue = dwarf2_get_byte(di->data[i]);
TRACE("data1<%lu>\n", attr->u.uvalue);
break;
case DW_FORM_data2:
attr->u.uvalue = dwarf2_get_u2(di->data[i]);
TRACE("data2<%lu>\n", attr->u.uvalue);
break;
case DW_FORM_data4:
attr->u.uvalue = dwarf2_get_u4(di->data[i]);
TRACE("data4<%lu>\n", attr->u.uvalue);
break;
case DW_FORM_data8:
FIXME("Unhandled 64bits support\n");
break;
case DW_FORM_ref1:
attr->u.uvalue = ctx->ref_offset + dwarf2_get_byte(di->data[i]);
TRACE("ref1<0x%lx>\n", attr->u.uvalue);
break;
case DW_FORM_ref2:
attr->u.uvalue = ctx->ref_offset + dwarf2_get_u2(di->data[i]);
TRACE("ref2<0x%lx>\n", attr->u.uvalue);
break;
case DW_FORM_ref4:
attr->u.uvalue = ctx->ref_offset + dwarf2_get_u4(di->data[i]);
TRACE("ref4<0x%lx>\n", attr->u.uvalue);
break;
case DW_FORM_ref8:
FIXME("Unhandled 64 bit support\n");
break;
case DW_FORM_sdata:
attr->u.svalue = dwarf2_get_leb128_as_signed(di->data[i], NULL);
break;
case DW_FORM_ref_udata:
attr->u.uvalue = dwarf2_get_leb128_as_unsigned(di->data[i], NULL);
break;
case DW_FORM_udata:
attr->u.uvalue = dwarf2_get_leb128_as_unsigned(di->data[i], NULL);
break;
case DW_FORM_string:
attr->u.string = (const char *)di->data[i];
TRACE("string<%s>\n", attr->u.string);
break;
case DW_FORM_strp:
{
unsigned long offset = dwarf2_get_u4(di->data[i]);
attr->u.string = (const char*)ctx->sections[section_string].address + offset;
}
TRACE("strp<%s>\n", attr->u.string);
break;
case DW_FORM_block:
attr->u.block.size = dwarf2_get_leb128_as_unsigned(di->data[i], &attr->u.block.ptr);
break;
case DW_FORM_block1:
attr->u.block.size = dwarf2_get_byte(di->data[i]);
attr->u.block.ptr = di->data[i] + 1;
break;
case DW_FORM_block2:
attr->u.block.size = dwarf2_get_u2(di->data[i]);
attr->u.block.ptr = di->data[i] + 2;
break;
case DW_FORM_block4:
attr->u.block.size = dwarf2_get_u4(di->data[i]);
attr->u.block.ptr = di->data[i] + 4;
break;
default:
FIXME("Unhandled attribute form %lx\n", abbrev_attr->form);
break;
}
return TRUE;
}
}
@ -491,7 +556,7 @@ static void dwarf2_find_name(dwarf2_parse_context_t* ctx,
{
static int index;
if (!dwarf2_find_attribute(di, DW_AT_name, attr))
if (!dwarf2_find_attribute(ctx, di, DW_AT_name, attr))
{
char* tmp = pool_alloc(&ctx->pool, strlen(pfx) + 16);
if (tmp) sprintf(tmp, "%s_%d", pfx, index++);
@ -610,7 +675,7 @@ static struct symt* dwarf2_lookup_type(dwarf2_parse_context_t* ctx,
{
struct attribute attr;
if (dwarf2_find_attribute(di, DW_AT_type, &attr))
if (dwarf2_find_attribute(ctx, di, DW_AT_type, &attr))
{
dwarf2_debug_info_t* type;
@ -645,7 +710,7 @@ static BOOL dwarf2_read_one_debug_info(dwarf2_parse_context_t* ctx,
unsigned i;
struct attribute sibling;
offset = traverse->data - traverse->sections[traverse->section].address;
offset = traverse->data - ctx->sections[ctx->section].address;
entry_code = dwarf2_leb128_as_unsigned(traverse);
TRACE("found entry_code %lu at 0x%lx\n", entry_code, offset);
if (!entry_code)
@ -661,20 +726,19 @@ static BOOL dwarf2_read_one_debug_info(dwarf2_parse_context_t* ctx,
}
di = sparse_array_add(&ctx->debug_info_table, offset, &ctx->pool);
if (!di) return FALSE;
di->offset = offset;
di->abbrev = abbrev;
di->symt = NULL;
if (abbrev->num_attr)
{
di->attributes = pool_alloc(&ctx->pool,
abbrev->num_attr * sizeof(struct attribute));
di->data = pool_alloc(&ctx->pool, abbrev->num_attr * sizeof(const char*));
for (i = 0, attr = abbrev->attrs; attr; i++, attr = attr->next)
{
dwarf2_parse_attr_into_di(&ctx->pool, traverse, attr, &di->attributes[i]);
di->data[i] = traverse->data;
dwarf2_swallow_attribute(traverse, attr);
}
}
else di->attributes = NULL;
else di->data = NULL;
if (abbrev->have_child)
{
vector_init(&di->children, sizeof(dwarf2_debug_info_t*), 16);
@ -687,12 +751,12 @@ static BOOL dwarf2_read_one_debug_info(dwarf2_parse_context_t* ctx,
*where = child;
}
}
if (dwarf2_find_attribute(di, DW_AT_sibling, &sibling) &&
traverse->data != traverse->sections[traverse->section].address + sibling.u.uvalue)
if (dwarf2_find_attribute(ctx, di, DW_AT_sibling, &sibling) &&
traverse->data != ctx->sections[ctx->section].address + sibling.u.uvalue)
{
WARN("setting cursor for %s to next sibling <0x%lx>\n",
dwarf2_debug_traverse_ctx(traverse), sibling.u.uvalue);
traverse->data = traverse->sections[traverse->section].address + sibling.u.uvalue;
traverse->data = ctx->sections[ctx->section].address + sibling.u.uvalue;
}
*pdi = di;
return TRUE;
@ -711,8 +775,8 @@ static struct symt* dwarf2_parse_base_type(dwarf2_parse_context_t* ctx,
TRACE("%s, for %s\n", dwarf2_debug_ctx(ctx), dwarf2_debug_di(di));
dwarf2_find_name(ctx, di, &name, "base_type");
if (!dwarf2_find_attribute(di, DW_AT_byte_size, &size)) size.u.uvalue = 0;
if (!dwarf2_find_attribute(di, DW_AT_encoding, &encoding)) encoding.u.uvalue = DW_ATE_void;
if (!dwarf2_find_attribute(ctx, di, DW_AT_byte_size, &size)) size.u.uvalue = 0;
if (!dwarf2_find_attribute(ctx, di, DW_AT_encoding, &encoding)) encoding.u.uvalue = DW_ATE_void;
switch (encoding.u.uvalue)
{
@ -763,7 +827,7 @@ static struct symt* dwarf2_parse_pointer_type(dwarf2_parse_context_t* ctx,
TRACE("%s, for %s\n", dwarf2_debug_ctx(ctx), dwarf2_debug_di(di));
if (!dwarf2_find_attribute(di, DW_AT_byte_size, &size)) size.u.uvalue = 0;
if (!dwarf2_find_attribute(ctx, di, DW_AT_byte_size, &size)) size.u.uvalue = 0;
ref_type = dwarf2_lookup_type(ctx, di);
di->symt = &symt_new_pointer(ctx->module, ref_type)->symt;
@ -798,11 +862,11 @@ static struct symt* dwarf2_parse_array_type(dwarf2_parse_context_t* ctx,
{
case DW_TAG_subrange_type:
idx_type = dwarf2_lookup_type(ctx, child);
if (!dwarf2_find_attribute(child, DW_AT_lower_bound, &min))
if (!dwarf2_find_attribute(ctx, child, DW_AT_lower_bound, &min))
min.u.uvalue = 0;
if (!dwarf2_find_attribute(child, DW_AT_upper_bound, &max))
if (!dwarf2_find_attribute(ctx, child, DW_AT_upper_bound, &max))
max.u.uvalue = 0;
if (dwarf2_find_attribute(child, DW_AT_count, &cnt))
if (dwarf2_find_attribute(ctx, child, DW_AT_count, &cnt))
max.u.uvalue = min.u.uvalue + cnt.u.uvalue;
break;
default:
@ -866,20 +930,20 @@ static void dwarf2_parse_udt_member(dwarf2_parse_context_t* ctx,
dwarf2_find_name(ctx, di, &name, "udt_member");
elt_type = dwarf2_lookup_type(ctx, di);
if (dwarf2_find_attribute(di, DW_AT_data_member_location, &loc))
if (dwarf2_find_attribute(ctx, di, DW_AT_data_member_location, &loc))
{
TRACE("found member_location at %s\n", dwarf2_debug_ctx(ctx));
offset = dwarf2_compute_location(ctx, loc.u.block, NULL);
offset = dwarf2_compute_location(ctx, &loc.u.block, NULL);
TRACE("found offset:%lu\n", offset);
}
if (!dwarf2_find_attribute(di, DW_AT_bit_size, &bit_size)) bit_size.u.uvalue = 0;
if (dwarf2_find_attribute(di, DW_AT_bit_offset, &bit_offset))
if (!dwarf2_find_attribute(ctx, di, DW_AT_bit_size, &bit_size)) bit_size.u.uvalue = 0;
if (dwarf2_find_attribute(ctx, di, DW_AT_bit_offset, &bit_offset))
{
/* FIXME: we should only do this when implementation is LSB (which is
* the case on i386 processors)
*/
struct attribute nbytes;
if (!dwarf2_find_attribute(di, DW_AT_byte_size, &nbytes))
if (!dwarf2_find_attribute(ctx, di, DW_AT_byte_size, &nbytes))
{
DWORD64 size;
nbytes.u.uvalue = symt_get_info(elt_type, TI_GET_LENGTH, &size) ? (unsigned long)size : 0;
@ -905,7 +969,7 @@ static struct symt* dwarf2_parse_udt_type(dwarf2_parse_context_t* ctx,
TRACE("%s, for %s\n", dwarf2_debug_ctx(ctx), dwarf2_debug_di(di));
dwarf2_find_name(ctx, di, &name, "udt");
if (!dwarf2_find_attribute(di, DW_AT_byte_size, &size)) size.u.uvalue = 0;
if (!dwarf2_find_attribute(ctx, di, DW_AT_byte_size, &size)) size.u.uvalue = 0;
di->symt = &symt_new_udt(ctx->module, name.u.string, size.u.uvalue, udt)->symt;
@ -953,7 +1017,7 @@ static void dwarf2_parse_enumerator(dwarf2_parse_context_t* ctx,
TRACE("%s, for %s\n", dwarf2_debug_ctx(ctx), dwarf2_debug_di(di));
dwarf2_find_name(ctx, di, &name, "enum_value");
if (!dwarf2_find_attribute(di, DW_AT_const_value, &value)) value.u.svalue = 0;
if (!dwarf2_find_attribute(ctx, di, DW_AT_const_value, &value)) value.u.svalue = 0;
symt_add_enum_element(ctx->module, parent, name.u.string, value.u.svalue);
if (di->abbrev->have_child) FIXME("Unsupported children\n");
@ -970,7 +1034,7 @@ static struct symt* dwarf2_parse_enumeration_type(dwarf2_parse_context_t* ctx,
TRACE("%s, for %s\n", dwarf2_debug_ctx(ctx), dwarf2_debug_di(di));
dwarf2_find_name(ctx, di, &name, "enum");
if (!dwarf2_find_attribute(di, DW_AT_byte_size, &size)) size.u.uvalue = 0;
if (!dwarf2_find_attribute(ctx, di, DW_AT_byte_size, &size)) size.u.uvalue = 0;
di->symt = &symt_new_enum(ctx->module, name.u.string)->symt;
@ -1074,13 +1138,13 @@ static void dwarf2_parse_variable(dwarf2_subprogram_t* subpgm,
param_type = dwarf2_lookup_type(subpgm->ctx, di);
dwarf2_find_name(subpgm->ctx, di, &name, "parameter");
if (dwarf2_find_attribute(di, DW_AT_location, &loc) && loc.u.block)
if (dwarf2_find_attribute(subpgm->ctx, di, DW_AT_location, &loc))
{
struct attribute ext;
long offset;
int in_reg;
offset = dwarf2_compute_location(subpgm->ctx, loc.u.block, &in_reg);
offset = dwarf2_compute_location(subpgm->ctx, &loc.u.block, &in_reg);
TRACE("found parameter %s/%ld (reg=%d) at %s\n",
name.u.string, offset, in_reg, dwarf2_debug_ctx(subpgm->ctx));
switch (in_reg & ~Wine_DW_register_deref)
@ -1088,7 +1152,7 @@ static void dwarf2_parse_variable(dwarf2_subprogram_t* subpgm,
case Wine_DW_no_register:
/* it's a global variable */
/* FIXME: we don't handle it's scope yet */
if (!dwarf2_find_attribute(di, DW_AT_external, &ext))
if (!dwarf2_find_attribute(subpgm->ctx, di, DW_AT_external, &ext))
ext.u.uvalue = 0;
symt_new_global_variable(subpgm->ctx->module, subpgm->compiland,
name.u.string, !ext.u.uvalue,
@ -1111,7 +1175,7 @@ static void dwarf2_parse_variable(dwarf2_subprogram_t* subpgm,
break;
}
}
if (dwarf2_find_attribute(di, DW_AT_const_value, &value))
if (dwarf2_find_attribute(subpgm->ctx, di, DW_AT_const_value, &value))
{
FIXME("NIY: const value %08lx for %s\n", value.u.uvalue, name.u.string);
}
@ -1131,11 +1195,12 @@ static void dwarf2_parse_subprogram_label(dwarf2_subprogram_t* subpgm,
TRACE("%s, for %s\n", dwarf2_debug_ctx(subpgm->ctx), dwarf2_debug_di(di));
if (!dwarf2_find_attribute(di, DW_AT_low_pc, &low_pc)) low_pc.u.uvalue = 0;
if (!dwarf2_find_attribute(subpgm->ctx, di, DW_AT_low_pc, &low_pc)) low_pc.u.uvalue = 0;
dwarf2_find_name(subpgm->ctx, di, &name, "label");
symt_add_function_point(subpgm->ctx->module, subpgm->func, SymTagLabel,
subpgm->ctx->module->module.BaseOfImage + low_pc.u.uvalue, name.u.string);
subpgm->ctx->module->module.BaseOfImage + low_pc.u.uvalue,
name.u.string);
}
static void dwarf2_parse_subprogram_block(dwarf2_subprogram_t* subpgm,
@ -1205,8 +1270,8 @@ static void dwarf2_parse_subprogram_block(dwarf2_subprogram_t* subpgm,
TRACE("%s, for %s\n", dwarf2_debug_ctx(subpgm->ctx), dwarf2_debug_di(di));
if (!dwarf2_find_attribute(di, DW_AT_low_pc, &low_pc)) low_pc.u.uvalue = 0;
if (!dwarf2_find_attribute(di, DW_AT_high_pc, &high_pc)) high_pc.u.uvalue = 0;
if (!dwarf2_find_attribute(subpgm->ctx, di, DW_AT_low_pc, &low_pc)) low_pc.u.uvalue = 0;
if (!dwarf2_find_attribute(subpgm->ctx, di, DW_AT_high_pc, &high_pc)) high_pc.u.uvalue = 0;
block = symt_open_func_block(subpgm->ctx->module, subpgm->func, parent_block,
low_pc.u.uvalue, high_pc.u.uvalue - low_pc.u.uvalue);
@ -1275,8 +1340,8 @@ static struct symt* dwarf2_parse_subprogram(dwarf2_parse_context_t* ctx,
TRACE("%s, for %s\n", dwarf2_debug_ctx(ctx), dwarf2_debug_di(di));
if (!dwarf2_find_attribute(di, DW_AT_low_pc, &low_pc)) low_pc.u.uvalue = 0;
if (!dwarf2_find_attribute(di, DW_AT_high_pc, &high_pc)) high_pc.u.uvalue = 0;
if (!dwarf2_find_attribute(ctx, di, DW_AT_low_pc, &low_pc)) low_pc.u.uvalue = 0;
if (!dwarf2_find_attribute(ctx, di, DW_AT_high_pc, &high_pc)) high_pc.u.uvalue = 0;
/* As functions (defined as inline assembly) get debug info with dwarf
* (not the case for stabs), we just drop Wine's thunks here...
* Actual thunks will be created in elf_module from the symbol table
@ -1284,8 +1349,8 @@ static struct symt* dwarf2_parse_subprogram(dwarf2_parse_context_t* ctx,
if (elf_is_in_thunk_area(ctx->module->module.BaseOfImage + low_pc.u.uvalue,
ctx->thunks) >= 0)
return NULL;
if (!dwarf2_find_attribute(di, DW_AT_declaration, &is_decl)) is_decl.u.uvalue = 0;
if (!dwarf2_find_attribute(di, DW_AT_inline, &inline_flags)) inline_flags.u.uvalue = 0;
if (!dwarf2_find_attribute(ctx, di, DW_AT_declaration, &is_decl)) is_decl.u.uvalue = 0;
if (!dwarf2_find_attribute(ctx, di, DW_AT_inline, &inline_flags)) inline_flags.u.uvalue = 0;
dwarf2_find_name(ctx, di, &name, "subprogram");
ret_type = dwarf2_lookup_type(ctx, di);
@ -1303,9 +1368,9 @@ static struct symt* dwarf2_parse_subprogram(dwarf2_parse_context_t* ctx,
subpgm.ctx = ctx;
subpgm.compiland = compiland;
if (dwarf2_find_attribute(di, DW_AT_frame_base, &frame))
if (dwarf2_find_attribute(ctx, di, DW_AT_frame_base, &frame))
{
subpgm.frame_offset = dwarf2_compute_location(ctx, frame.u.block, &subpgm.frame_reg);
subpgm.frame_offset = dwarf2_compute_location(ctx, &frame.u.block, &subpgm.frame_reg);
TRACE("For %s got %ld/%d\n", name.u.string, subpgm.frame_offset, subpgm.frame_reg);
}
else /* on stack !! */
@ -1440,12 +1505,9 @@ static void dwarf2_parse_line_numbers(const dwarf2_section_t* sections,
struct vector files;
const char** p;
traverse.sections = sections;
traverse.section = section_line;
traverse.data = sections[section_line].address + offset;
traverse.start_data = traverse.data;
traverse.end_data = traverse.data + 4;
traverse.offset = offset;
traverse.word_size = ctx->word_size;
length = dwarf2_parse_u4(&traverse);
@ -1611,24 +1673,21 @@ static BOOL dwarf2_parse_compilation_unit(const dwarf2_section_t* sections,
}
pool_init(&ctx.pool, 65536);
ctx.sections = sections;
ctx.section = section_debug;
ctx.module = module;
ctx.word_size = comp_unit->word_size;
ctx.thunks = thunks;
ctx.ref_offset = comp_unit_cursor - sections[section_debug].address;
traverse.sections = sections;
traverse.section = section_debug;
traverse.start_data = comp_unit_cursor + sizeof(dwarf2_comp_unit_stream_t);
traverse.data = traverse.start_data;
traverse.offset = comp_unit_cursor - sections[section_debug].address;
traverse.word_size = comp_unit->word_size;
traverse.end_data = comp_unit_cursor + comp_unit->length + sizeof(unsigned);
abbrev_ctx.sections = sections;
abbrev_ctx.section = section_abbrev;
abbrev_ctx.start_data = sections[section_abbrev].address + comp_unit->abbrev_offset;
abbrev_ctx.data = abbrev_ctx.start_data;
abbrev_ctx.end_data = sections[section_abbrev].address + sections[section_abbrev].size;
abbrev_ctx.offset = comp_unit->abbrev_offset;
abbrev_ctx.word_size = comp_unit->word_size;
dwarf2_parse_abbrev_set(&abbrev_ctx, &ctx.abbrev_table, &ctx.pool);
@ -1641,8 +1700,6 @@ static BOOL dwarf2_parse_compilation_unit(const dwarf2_section_t* sections,
dwarf2_debug_info_t** pdi = NULL;
struct attribute stmt_list;
TRACE("beginning at 0x%lx, for %lu\n", di->offset, di->abbrev->entry_code);
dwarf2_find_name(&ctx, di, &name, "compiland");
di->symt = &symt_new_compiland(module, source_new(module, NULL, name.u.string))->symt;
@ -1653,7 +1710,7 @@ static BOOL dwarf2_parse_compilation_unit(const dwarf2_section_t* sections,
dwarf2_load_one_entry(&ctx, *pdi, (struct symt_compiland*)di->symt);
}
}
if (dwarf2_find_attribute(di, DW_AT_stmt_list, &stmt_list))
if (dwarf2_find_attribute(&ctx, di, DW_AT_stmt_list, &stmt_list))
{
dwarf2_parse_line_numbers(sections, &ctx, stmt_list.u.uvalue);
}