本文整理汇总了C++中DWARFFormValue::BlockData方法的典型用法代码示例。如果您正苦于以下问题：C++ DWARFFormValue::BlockData方法的具体用法？C++ DWARFFormValue::BlockData怎么用？C++ DWARFFormValue::BlockData使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类DWARFFormValue的用法示例。
在下文中一共展示了DWARFFormValue::BlockData方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: if
int
DWARFFormValue::Compare (const DWARFFormValue& a_value, const DWARFFormValue& b_value, const DWARFCompileUnit* a_cu, const DWARFCompileUnit* b_cu, const DWARFDataExtractor* debug_str_data_ptr)
{
dw_form_t a_form = a_value.Form();
dw_form_t b_form = b_value.Form();
if (a_form < b_form)
return -1;
if (a_form > b_form)
return 1;
switch (a_form)
{
case DW_FORM_addr:
case DW_FORM_flag:
case DW_FORM_data1:
case DW_FORM_data2:
case DW_FORM_data4:
case DW_FORM_data8:
case DW_FORM_udata:
case DW_FORM_ref_addr:
case DW_FORM_sec_offset:
case DW_FORM_flag_present:
case DW_FORM_ref_sig8:
{
uint64_t a = a_value.Unsigned();
uint64_t b = b_value.Unsigned();
if (a < b)
return -1;
if (a > b)
return 1;
return 0;
}
case DW_FORM_sdata:
{
int64_t a = a_value.Signed();
int64_t b = b_value.Signed();
if (a < b)
return -1;
if (a > b)
return 1;
return 0;
}
case DW_FORM_string:
case DW_FORM_strp:
{
const char *a_string = a_value.AsCString(debug_str_data_ptr);
const char *b_string = b_value.AsCString(debug_str_data_ptr);
if (a_string == b_string)
return 0;
else if (a_string && b_string)
return strcmp(a_string, b_string);
else if (a_string == NULL)
return -1; // A string is NULL, and B is valid
else
return 1; // A string valid, and B is NULL
}
case DW_FORM_block:
case DW_FORM_block1:
case DW_FORM_block2:
case DW_FORM_block4:
case DW_FORM_exprloc:
{
uint64_t a_len = a_value.Unsigned();
uint64_t b_len = b_value.Unsigned();
if (a_len < b_len)
return -1;
if (a_len > b_len)
return 1;
// The block lengths are the same
return memcmp(a_value.BlockData(), b_value.BlockData(), a_value.Unsigned());
}
break;
case DW_FORM_ref1:
case DW_FORM_ref2:
case DW_FORM_ref4:
case DW_FORM_ref8:
case DW_FORM_ref_udata:
{
uint64_t a = a_value.Reference(a_cu);
uint64_t b = b_value.Reference(b_cu);
if (a < b)
return -1;
if (a > b)
return 1;
return 0;
}
case DW_FORM_indirect:
assert(!"This shouldn't happen after the form has been extracted...");
break;
default:
assert(!"Unhandled DW_FORM");
break;
}
return -1;
//.........这里部分代码省略.........