#include <boost/range/algorithm.hpp>
-#include <fcntl.h>
#include <cstdlib>
#include <elfutils/libdw.h>
+#include <fcntl.h>
#include <boost/algorithm/string/predicate.hpp>
*
* @param die DIE for the DW_TAG_array_type
*/
-static uint64_t MC_dwarf_array_element_count(Dwarf_Die * die, Dwarf_Die * unit);
+static uint64_t MC_dwarf_array_element_count(Dwarf_Die* die, Dwarf_Die* unit);
/** @brief Process a DIE
*
* @param unit the DIE of the compile unit of the current DIE
* @param frame containing frame if any
*/
-static void MC_dwarf_handle_die(simgrid::mc::ObjectInformation* info, Dwarf_Die * die,
- Dwarf_Die * unit, simgrid::mc::Frame* frame,
- const char *ns);
+static void MC_dwarf_handle_die(simgrid::mc::ObjectInformation* info, Dwarf_Die* die, Dwarf_Die* unit,
+ simgrid::mc::Frame* frame, const char* ns);
/** @brief Process a type DIE
*/
-static void MC_dwarf_handle_type_die(simgrid::mc::ObjectInformation* info, Dwarf_Die * die,
- Dwarf_Die * unit, simgrid::mc::Frame* frame,
- const char *ns);
+static void MC_dwarf_handle_type_die(simgrid::mc::ObjectInformation* info, Dwarf_Die* die, Dwarf_Die* unit,
+ simgrid::mc::Frame* frame, const char* ns);
/** @brief Calls MC_dwarf_handle_die on all children of the given die
*
* @param unit the DIE of the compile unit of the current DIE
* @param frame containing frame if any
*/
-static void MC_dwarf_handle_children(simgrid::mc::ObjectInformation* info, Dwarf_Die * die,
- Dwarf_Die * unit, simgrid::mc::Frame* frame,
- const char *ns);
+static void MC_dwarf_handle_children(simgrid::mc::ObjectInformation* info, Dwarf_Die* die, Dwarf_Die* unit,
+ simgrid::mc::Frame* frame, const char* ns);
/** @brief Handle a variable (DW_TAG_variable or other)
*
* @param unit the DIE of the compile unit of the current DIE
* @param frame containing frame if any
*/
-static void MC_dwarf_handle_variable_die(simgrid::mc::ObjectInformation* info, Dwarf_Die * die,
- Dwarf_Die * unit, simgrid::mc::Frame* frame,
- const char *ns);
+static void MC_dwarf_handle_variable_die(simgrid::mc::ObjectInformation* info, Dwarf_Die* die, Dwarf_Die* unit,
+ simgrid::mc::Frame* frame, const char* ns);
/** @brief Get the DW_TAG_type of the DIE
*
* @param die DIE
* @return DW_TAG_type attribute as a new string (nullptr if none)
*/
-static std::uint64_t MC_dwarf_at_type(Dwarf_Die * die);
+static std::uint64_t MC_dwarf_at_type(Dwarf_Die* die);
namespace simgrid {
namespace dwarf {
-enum class TagClass {
- Unknown,
- Type,
- Subprogram,
- Variable,
- Scope,
- Namespace
-};
+enum class TagClass { Unknown, Type, Subprogram, Variable, Scope, Namespace };
/*** Class of forms defined in the DWARF standard */
enum class FormClass {
Unknown,
- Address, // Location in the program's address space
- Block, // Arbitrary block of bytes
+ Address, // Location in the program's address space
+ Block, // Arbitrary block of bytes
Constant,
String,
Flag, // Boolean value
RangeListPtr
};
-static
-TagClass classify_tag(int tag)
+static TagClass classify_tag(int tag)
{
switch (tag) {
- case DW_TAG_array_type:
- case DW_TAG_class_type:
- case DW_TAG_enumeration_type:
- case DW_TAG_typedef:
- case DW_TAG_pointer_type:
- case DW_TAG_reference_type:
- case DW_TAG_rvalue_reference_type:
- case DW_TAG_string_type:
- case DW_TAG_structure_type:
- case DW_TAG_subroutine_type:
- case DW_TAG_union_type:
- case DW_TAG_ptr_to_member_type:
- case DW_TAG_set_type:
- case DW_TAG_subrange_type:
- case DW_TAG_base_type:
- case DW_TAG_const_type:
- case DW_TAG_file_type:
- case DW_TAG_packed_type:
- case DW_TAG_volatile_type:
- case DW_TAG_restrict_type:
- case DW_TAG_interface_type:
- case DW_TAG_unspecified_type:
- case DW_TAG_shared_type:
- return TagClass::Type;
-
- case DW_TAG_subprogram:
- return TagClass::Subprogram;
-
- case DW_TAG_variable:
- case DW_TAG_formal_parameter:
- return TagClass::Variable;
-
- case DW_TAG_lexical_block:
- case DW_TAG_try_block:
- case DW_TAG_catch_block:
- case DW_TAG_inlined_subroutine:
- case DW_TAG_with_stmt:
- return TagClass::Scope;
-
- case DW_TAG_namespace:
- return TagClass::Namespace;
-
- default:
- return TagClass::Unknown;
+ case DW_TAG_array_type:
+ case DW_TAG_class_type:
+ case DW_TAG_enumeration_type:
+ case DW_TAG_typedef:
+ case DW_TAG_pointer_type:
+ case DW_TAG_reference_type:
+ case DW_TAG_rvalue_reference_type:
+ case DW_TAG_string_type:
+ case DW_TAG_structure_type:
+ case DW_TAG_subroutine_type:
+ case DW_TAG_union_type:
+ case DW_TAG_ptr_to_member_type:
+ case DW_TAG_set_type:
+ case DW_TAG_subrange_type:
+ case DW_TAG_base_type:
+ case DW_TAG_const_type:
+ case DW_TAG_file_type:
+ case DW_TAG_packed_type:
+ case DW_TAG_volatile_type:
+ case DW_TAG_restrict_type:
+ case DW_TAG_interface_type:
+ case DW_TAG_unspecified_type:
+ case DW_TAG_shared_type:
+ return TagClass::Type;
+
+ case DW_TAG_subprogram:
+ return TagClass::Subprogram;
+
+ case DW_TAG_variable:
+ case DW_TAG_formal_parameter:
+ return TagClass::Variable;
+
+ case DW_TAG_lexical_block:
+ case DW_TAG_try_block:
+ case DW_TAG_catch_block:
+ case DW_TAG_inlined_subroutine:
+ case DW_TAG_with_stmt:
+ return TagClass::Scope;
+
+ case DW_TAG_namespace:
+ return TagClass::Namespace;
+
+ default:
+ return TagClass::Unknown;
}
}
* @param form The form (values taken from the DWARF spec)
* @return An internal representation for the corresponding class
* */
-static
-FormClass classify_form(int form)
+static FormClass classify_form(int form)
{
switch (form) {
- case DW_FORM_addr:
- return FormClass::Address;
- case DW_FORM_block2:
- case DW_FORM_block4:
- case DW_FORM_block:
- case DW_FORM_block1:
- return FormClass::Block;
- case DW_FORM_data1:
- case DW_FORM_data2:
- case DW_FORM_data4:
- case DW_FORM_data8:
- case DW_FORM_udata:
- case DW_FORM_sdata:
- return FormClass::Constant;
- case DW_FORM_string:
- case DW_FORM_strp:
- return FormClass::String;
- case DW_FORM_ref_addr:
- case DW_FORM_ref1:
- case DW_FORM_ref2:
- case DW_FORM_ref4:
- case DW_FORM_ref8:
- case DW_FORM_ref_udata:
- return FormClass::Reference;
- case DW_FORM_flag:
- case DW_FORM_flag_present:
- return FormClass::Flag;
- case DW_FORM_exprloc:
- return FormClass::ExprLoc;
- // TODO sec offset
- // TODO indirect
- default:
- return FormClass::Unknown;
+ case DW_FORM_addr:
+ return FormClass::Address;
+ case DW_FORM_block2:
+ case DW_FORM_block4:
+ case DW_FORM_block:
+ case DW_FORM_block1:
+ return FormClass::Block;
+ case DW_FORM_data1:
+ case DW_FORM_data2:
+ case DW_FORM_data4:
+ case DW_FORM_data8:
+ case DW_FORM_udata:
+ case DW_FORM_sdata:
+ return FormClass::Constant;
+ case DW_FORM_string:
+ case DW_FORM_strp:
+ return FormClass::String;
+ case DW_FORM_ref_addr:
+ case DW_FORM_ref1:
+ case DW_FORM_ref2:
+ case DW_FORM_ref4:
+ case DW_FORM_ref8:
+ case DW_FORM_ref_udata:
+ return FormClass::Reference;
+ case DW_FORM_flag:
+ case DW_FORM_flag_present:
+ return FormClass::Flag;
+ case DW_FORM_exprloc:
+ return FormClass::ExprLoc;
+ // TODO sec offset
+ // TODO indirect
+ default:
+ return FormClass::Unknown;
}
}
* @param die DIE
* @return name of the tag of this DIE
*/
-inline XBT_PRIVATE
-const char *tagname(Dwarf_Die * die)
+inline XBT_PRIVATE const char* tagname(Dwarf_Die* die)
{
return simgrid::dwarf::tagname(dwarf_tag(die));
}
-}
-}
+} // namespace dwarf
+} // namespace simgrid
// ***** Attributes
* @param attribute attribute
* @return value of the given attribute of the given DIE
*/
-static const char *MC_dwarf_attr_integrate_string(Dwarf_Die * die,
- int attribute)
+static const char* MC_dwarf_attr_integrate_string(Dwarf_Die* die, int attribute)
{
Dwarf_Attribute attr;
if (not dwarf_attr_integrate(die, attribute, &attr))
return dwarf_formstring(&attr);
}
-static Dwarf_Off MC_dwarf_attr_dieoffset(Dwarf_Die * die, int attribute)
+static Dwarf_Off MC_dwarf_attr_dieoffset(Dwarf_Die* die, int attribute)
{
Dwarf_Attribute attr;
if (dwarf_hasattr_integrate(die, attribute) == 0)
return dwarf_dieoffset(&subtype_die);
}
-static Dwarf_Off MC_dwarf_attr_integrate_dieoffset(Dwarf_Die * die,
- int attribute)
+static Dwarf_Off MC_dwarf_attr_integrate_dieoffset(Dwarf_Die* die, int attribute)
{
Dwarf_Attribute attr;
if (dwarf_hasattr_integrate(die, attribute) == 0)
* @param die the DIE
* @return DW_AT_type reference as a global offset in hexadecimal (or nullptr)
*/
-static
-std::uint64_t MC_dwarf_at_type(Dwarf_Die * die)
+static std::uint64_t MC_dwarf_at_type(Dwarf_Die* die)
{
return MC_dwarf_attr_integrate_dieoffset(die, DW_AT_type);
}
-static uint64_t MC_dwarf_attr_integrate_addr(Dwarf_Die * die, int attribute)
+static uint64_t MC_dwarf_attr_integrate_addr(Dwarf_Die* die, int attribute)
{
Dwarf_Attribute attr;
if (dwarf_attr_integrate(die, attribute, &attr) == nullptr)
return 0;
Dwarf_Addr value;
if (dwarf_formaddr(&attr, &value) == 0)
- return (uint64_t) value;
+ return (uint64_t)value;
else
return 0;
}
-static uint64_t MC_dwarf_attr_integrate_uint(Dwarf_Die * die, int attribute,
- uint64_t default_value)
+static uint64_t MC_dwarf_attr_integrate_uint(Dwarf_Die* die, int attribute, uint64_t default_value)
{
Dwarf_Attribute attr;
if (dwarf_attr_integrate(die, attribute, &attr) == nullptr)
return default_value;
Dwarf_Word value;
- return dwarf_formudata(dwarf_attr_integrate(die, attribute, &attr),
- &value) == 0 ? (uint64_t) value : default_value;
+ return dwarf_formudata(dwarf_attr_integrate(die, attribute, &attr), &value) == 0 ? (uint64_t)value : default_value;
}
-static bool MC_dwarf_attr_flag(Dwarf_Die * die, int attribute, bool integrate)
+static bool MC_dwarf_attr_flag(Dwarf_Die* die, int attribute, bool integrate)
{
Dwarf_Attribute attr;
- if ((integrate ? dwarf_attr_integrate(die, attribute, &attr)
- : dwarf_attr(die, attribute, &attr)) == 0)
+ if ((integrate ? dwarf_attr_integrate(die, attribute, &attr) : dwarf_attr(die, attribute, &attr)) == 0)
return false;
bool result;
if (dwarf_formflag(&attr, &result))
- xbt_die("Unexpected form for attribute %s",
- simgrid::dwarf::attrname(attribute));
+ xbt_die("Unexpected form for attribute %s", simgrid::dwarf::attrname(attribute));
return result;
}
static uint64_t MC_dwarf_default_lower_bound(int lang)
{
switch (lang) {
- case DW_LANG_C:
- case DW_LANG_C89:
- case DW_LANG_C99:
- case DW_LANG_C_plus_plus:
- case DW_LANG_D:
- case DW_LANG_Java:
- case DW_LANG_ObjC:
- case DW_LANG_ObjC_plus_plus:
- case DW_LANG_Python:
- case DW_LANG_UPC:
- return 0;
- case DW_LANG_Ada83:
- case DW_LANG_Ada95:
- case DW_LANG_Fortran77:
- case DW_LANG_Fortran90:
- case DW_LANG_Fortran95:
- case DW_LANG_Modula2:
- case DW_LANG_Pascal83:
- case DW_LANG_PL1:
- case DW_LANG_Cobol74:
- case DW_LANG_Cobol85:
- return 1;
- default:
- xbt_die("No default DW_TAG_lower_bound for language %i and none given",
- lang);
- return 0;
+ case DW_LANG_C:
+ case DW_LANG_C89:
+ case DW_LANG_C99:
+ case DW_LANG_C_plus_plus:
+ case DW_LANG_D:
+ case DW_LANG_Java:
+ case DW_LANG_ObjC:
+ case DW_LANG_ObjC_plus_plus:
+ case DW_LANG_Python:
+ case DW_LANG_UPC:
+ return 0;
+ case DW_LANG_Ada83:
+ case DW_LANG_Ada95:
+ case DW_LANG_Fortran77:
+ case DW_LANG_Fortran90:
+ case DW_LANG_Fortran95:
+ case DW_LANG_Modula2:
+ case DW_LANG_Pascal83:
+ case DW_LANG_PL1:
+ case DW_LANG_Cobol74:
+ case DW_LANG_Cobol85:
+ return 1;
+ default:
+ xbt_die("No default DW_TAG_lower_bound for language %i and none given", lang);
+ return 0;
}
}
* @param unit DIE of the compilation unit
* @return number of elements in the range
* */
-static uint64_t MC_dwarf_subrange_element_count(Dwarf_Die * die,
- Dwarf_Die * unit)
+static uint64_t MC_dwarf_subrange_element_count(Dwarf_Die* die, Dwarf_Die* unit)
{
- xbt_assert(dwarf_tag(die) == DW_TAG_enumeration_type
- || dwarf_tag(die) == DW_TAG_subrange_type,
- "MC_dwarf_subrange_element_count called with DIE of type %s",
- simgrid::dwarf::tagname(die));
+ xbt_assert(dwarf_tag(die) == DW_TAG_enumeration_type || dwarf_tag(die) == DW_TAG_subrange_type,
+ "MC_dwarf_subrange_element_count called with DIE of type %s", simgrid::dwarf::tagname(die));
// Use DW_TAG_count if present:
if (dwarf_hasattr_integrate(die, DW_AT_count))
* @param unit the DIE of the compilation unit
* @return number of elements in this array type
* */
-static uint64_t MC_dwarf_array_element_count(Dwarf_Die * die, Dwarf_Die * unit)
+static uint64_t MC_dwarf_array_element_count(Dwarf_Die* die, Dwarf_Die* unit)
{
- xbt_assert(dwarf_tag(die) == DW_TAG_array_type,
- "MC_dwarf_array_element_count called with DIE of type %s",
+ xbt_assert(dwarf_tag(die) == DW_TAG_array_type, "MC_dwarf_array_element_count called with DIE of type %s",
simgrid::dwarf::tagname(die));
int result = 1;
Dwarf_Die child;
int res;
- for (res = dwarf_child(die, &child); res == 0;
- res = dwarf_siblingof(&child, &child)) {
+ for (res = dwarf_child(die, &child); res == 0; res = dwarf_siblingof(&child, &child)) {
int child_tag = dwarf_tag(&child);
- if (child_tag == DW_TAG_subrange_type
- || child_tag == DW_TAG_enumeration_type)
+ if (child_tag == DW_TAG_subrange_type || child_tag == DW_TAG_enumeration_type)
result *= MC_dwarf_subrange_element_count(&child, unit);
}
return result;
*
* We could use boost::container::flat_set instead.
*/
-static bool MC_compare_variable(
- simgrid::mc::Variable const& a, simgrid::mc::Variable const& b)
+static bool MC_compare_variable(simgrid::mc::Variable const& a, simgrid::mc::Variable const& b)
{
int cmp = a.name.compare(b.name);
if (cmp < 0)
* @param member the member of the type
* @param child DIE of the member (DW_TAG_member)
*/
-static void MC_dwarf_fill_member_location(
- simgrid::mc::Type* type, simgrid::mc::Member* member, Dwarf_Die * child)
+static void MC_dwarf_fill_member_location(simgrid::mc::Type* type, simgrid::mc::Member* member, Dwarf_Die* child)
{
if (dwarf_hasattr(child, DW_AT_data_bit_offset))
xbt_die("Can't groke DW_AT_data_bit_offset.");
if (not dwarf_hasattr_integrate(child, DW_AT_data_member_location)) {
if (type->type == DW_TAG_union_type)
return;
- xbt_die
- ("Missing DW_AT_data_member_location field in DW_TAG_member %s of type <%"
- PRIx64 ">%s", member->name.c_str(),
- (uint64_t) type->id, type->name.c_str());
+ xbt_die("Missing DW_AT_data_member_location field in DW_TAG_member %s of type <%" PRIx64 ">%s",
+ member->name.c_str(), (uint64_t)type->id, type->name.c_str());
}
Dwarf_Attribute attr;
dwarf_attr_integrate(child, DW_AT_data_member_location, &attr);
- int form = dwarf_whatform(&attr);
+ int form = dwarf_whatform(&attr);
simgrid::dwarf::FormClass form_class = simgrid::dwarf::classify_form(form);
switch (form_class) {
- case simgrid::dwarf::FormClass::ExprLoc:
- case simgrid::dwarf::FormClass::Block:
- // Location expression:
- {
- Dwarf_Op *expr;
- size_t len;
- if (dwarf_getlocation(&attr, &expr, &len))
- xbt_die
- ("Could not read location expression DW_AT_data_member_location in DW_TAG_member %s of type <%"
- PRIx64 ">%s", MC_dwarf_attr_integrate_string(child, DW_AT_name),
- (uint64_t) type->id, type->name.c_str());
- member->location_expression = simgrid::dwarf::DwarfExpression(expr, expr+len);
- break;
- }
- case simgrid::dwarf::FormClass::Constant:
- // Offset from the base address of the object:
- {
- Dwarf_Word offset;
- if (not dwarf_formudata(&attr, &offset))
- member->offset(offset);
- else
- xbt_die("Cannot get %s location <%" PRIx64 ">%s",
- MC_dwarf_attr_integrate_string(child, DW_AT_name),
- (uint64_t) type->id, type->name.c_str());
- break;
- }
+ case simgrid::dwarf::FormClass::ExprLoc:
+ case simgrid::dwarf::FormClass::Block:
+ // Location expression:
+ {
+ Dwarf_Op* expr;
+ size_t len;
+ if (dwarf_getlocation(&attr, &expr, &len))
+ xbt_die("Could not read location expression DW_AT_data_member_location in DW_TAG_member %s of type <%" PRIx64
+ ">%s",
+ MC_dwarf_attr_integrate_string(child, DW_AT_name), (uint64_t)type->id, type->name.c_str());
+ member->location_expression = simgrid::dwarf::DwarfExpression(expr, expr + len);
+ break;
+ }
+ case simgrid::dwarf::FormClass::Constant:
+ // Offset from the base address of the object:
+ {
+ Dwarf_Word offset;
+ if (not dwarf_formudata(&attr, &offset))
+ member->offset(offset);
+ else
+ xbt_die("Cannot get %s location <%" PRIx64 ">%s", MC_dwarf_attr_integrate_string(child, DW_AT_name),
+ (uint64_t)type->id, type->name.c_str());
+ break;
+ }
- default:
- // includes FormClass::LocListPtr (reference to a location list: TODO) and FormClass::Reference (it's supposed to be
- // possible in DWARF2 but I couldn't find its semantic in the spec)
- xbt_die("Can't handle form class (%d) / form 0x%x as DW_AT_member_location", (int)form_class, (unsigned)form);
+ default:
+ // includes FormClass::LocListPtr (reference to a location list: TODO) and FormClass::Reference (it's supposed to
+ // be possible in DWARF2 but I couldn't find its semantic in the spec)
+ xbt_die("Can't handle form class (%d) / form 0x%x as DW_AT_member_location", (int)form_class, (unsigned)form);
}
-
}
/** @brief Populate the list of members of a type
int res;
Dwarf_Die child;
xbt_assert(type->members.empty());
- for (res = dwarf_child(die, &child); res == 0;
- res = dwarf_siblingof(&child, &child)) {
+ for (res = dwarf_child(die, &child); res == 0; res = dwarf_siblingof(&child, &child)) {
int tag = dwarf_tag(&child);
if (tag == DW_TAG_member || tag == DW_TAG_inheritance) {
if (tag == DW_TAG_inheritance)
member.flags |= simgrid::mc::Member::INHERITANCE_FLAG;
- const char *name = MC_dwarf_attr_integrate_string(&child, DW_AT_name);
+ const char* name = MC_dwarf_attr_integrate_string(&child, DW_AT_name);
if (name)
member.name = name;
// Those base names are used by GCC and clang for virtual table pointers
// respectively ("__vptr$ClassName", "__vptr.ClassName"):
if (boost::algorithm::starts_with(member.name, "__vptr$") ||
- boost::algorithm::starts_with(member.name, "__vptr."))
+ boost::algorithm::starts_with(member.name, "__vptr."))
member.flags |= simgrid::mc::Member::VIRTUAL_POINTER_FLAG;
// A cleaner solution would be to check against the type:
// ---
// name: "int"
// ---
- member.byte_size =
- MC_dwarf_attr_integrate_uint(&child, DW_AT_byte_size, 0);
- member.type_id = MC_dwarf_at_type(&child);
+ member.byte_size = MC_dwarf_attr_integrate_uint(&child, DW_AT_byte_size, 0);
+ member.type_id = MC_dwarf_at_type(&child);
if (dwarf_hasattr(&child, DW_AT_data_bit_offset))
xbt_die("Can't groke DW_AT_data_bit_offset.");
MC_dwarf_fill_member_location(type, &member, &child);
if (not member.type_id)
- xbt_die("Missing type for member %s of <%" PRIx64 ">%s",
- member.name.c_str(),
- (uint64_t) type->id, type->name.c_str());
+ xbt_die("Missing type for member %s of <%" PRIx64 ">%s", member.name.c_str(), (uint64_t)type->id,
+ type->name.c_str());
type->members.push_back(std::move(member));
}
* @param unit compilation unit of the current DIE
* @return MC representation of the type
*/
-static simgrid::mc::Type MC_dwarf_die_to_type(
- simgrid::mc::ObjectInformation* info, Dwarf_Die * die,
- Dwarf_Die * unit, simgrid::mc::Frame* frame,
- const char *ns)
+static simgrid::mc::Type MC_dwarf_die_to_type(simgrid::mc::ObjectInformation* info, Dwarf_Die* die, Dwarf_Die* unit,
+ simgrid::mc::Frame* frame, const char* ns)
{
simgrid::mc::Type type;
- type.type = dwarf_tag(die);
- type.name = std::string();
+ type.type = dwarf_tag(die);
+ type.name = std::string();
type.element_count = -1;
// Global Offset
type.id = dwarf_dieoffset(die);
- const char *prefix = "";
+ const char* prefix = "";
switch (type.type) {
- case DW_TAG_structure_type:
- prefix = "struct ";
- break;
- case DW_TAG_union_type:
- prefix = "union ";
- break;
- case DW_TAG_class_type:
- prefix = "class ";
- break;
- default:
- prefix = "";
+ case DW_TAG_structure_type:
+ prefix = "struct ";
+ break;
+ case DW_TAG_union_type:
+ prefix = "union ";
+ break;
+ case DW_TAG_class_type:
+ prefix = "class ";
+ break;
+ default:
+ prefix = "";
}
- const char *name = MC_dwarf_attr_integrate_string(die, DW_AT_name);
+ const char* name = MC_dwarf_attr_integrate_string(die, DW_AT_name);
if (name != nullptr) {
if (ns)
type.name = simgrid::xbt::string_printf("%s%s::%s", prefix, ns, name);
// Computation of the byte_size
if (dwarf_hasattr_integrate(die, DW_AT_byte_size))
type.byte_size = MC_dwarf_attr_integrate_uint(die, DW_AT_byte_size, 0);
- else if (type.type == DW_TAG_array_type
- || type.type == DW_TAG_structure_type
- || type.type == DW_TAG_class_type) {
+ else if (type.type == DW_TAG_array_type || type.type == DW_TAG_structure_type || type.type == DW_TAG_class_type) {
Dwarf_Word size;
if (dwarf_aggregate_size(die, &size) == 0)
type.byte_size = size;
}
switch (type.type) {
- case DW_TAG_array_type:
- type.element_count = MC_dwarf_array_element_count(die, unit);
- // TODO, handle DW_byte_stride and (not) DW_bit_stride
- break;
-
- case DW_TAG_pointer_type:
- case DW_TAG_reference_type:
- case DW_TAG_rvalue_reference_type:
- break;
-
- case DW_TAG_structure_type:
- case DW_TAG_union_type:
- case DW_TAG_class_type:
- MC_dwarf_add_members(info, die, unit, &type);
- MC_dwarf_handle_children(info, die, unit, frame,
- ns ? simgrid::xbt::string_printf("%s::%s", ns, name).c_str() : type.name.c_str());
- break;
-
- default:
- XBT_DEBUG("Unhandled type: %d (%s)", type.type, simgrid::dwarf::tagname(type.type));
- break;
+ case DW_TAG_array_type:
+ type.element_count = MC_dwarf_array_element_count(die, unit);
+ // TODO, handle DW_byte_stride and (not) DW_bit_stride
+ break;
+
+ case DW_TAG_pointer_type:
+ case DW_TAG_reference_type:
+ case DW_TAG_rvalue_reference_type:
+ break;
+
+ case DW_TAG_structure_type:
+ case DW_TAG_union_type:
+ case DW_TAG_class_type:
+ MC_dwarf_add_members(info, die, unit, &type);
+ MC_dwarf_handle_children(info, die, unit, frame,
+ ns ? simgrid::xbt::string_printf("%s::%s", ns, name).c_str() : type.name.c_str());
+ break;
+
+ default:
+ XBT_DEBUG("Unhandled type: %d (%s)", type.type, simgrid::dwarf::tagname(type.type));
+ break;
}
return type;
}
-static void MC_dwarf_handle_type_die(simgrid::mc::ObjectInformation* info, Dwarf_Die * die,
- Dwarf_Die * unit, simgrid::mc::Frame* frame,
- const char *ns)
+static void MC_dwarf_handle_type_die(simgrid::mc::ObjectInformation* info, Dwarf_Die* die, Dwarf_Die* unit,
+ simgrid::mc::Frame* frame, const char* ns)
{
simgrid::mc::Type type = MC_dwarf_die_to_type(info, die, unit, frame, ns);
- auto& t = (info->types[type.id] = std::move(type));
+ auto& t = (info->types[type.id] = std::move(type));
if (not t.name.empty() && type.byte_size != 0)
info->full_types_by_name[t.name] = &t;
}
// No location: do not add it ?
return nullptr;
- std::unique_ptr<simgrid::mc::Variable> variable =
- std::unique_ptr<simgrid::mc::Variable>(new simgrid::mc::Variable());
- variable->id = dwarf_dieoffset(die);
- variable->global = frame == nullptr; // Can be override base on DW_AT_location
- variable->object_info = info;
+ std::unique_ptr<simgrid::mc::Variable> variable = std::unique_ptr<simgrid::mc::Variable>(new simgrid::mc::Variable());
+ variable->id = dwarf_dieoffset(die);
+ variable->global = frame == nullptr; // Can be override base on DW_AT_location
+ variable->object_info = info;
- const char *name = MC_dwarf_attr_integrate_string(die, DW_AT_name);
+ const char* name = MC_dwarf_attr_integrate_string(die, DW_AT_name);
if (name)
variable->name = name;
variable->type_id = MC_dwarf_at_type(die);
else
form_class = simgrid::dwarf::classify_form(form);
switch (form_class) {
- case simgrid::dwarf::FormClass::ExprLoc:
- case simgrid::dwarf::FormClass::Block:
- // Location expression:
- {
- Dwarf_Op *expr;
- size_t len;
- if (dwarf_getlocation(&attr_location, &expr, &len)) {
- xbt_die(
- "Could not read location expression in DW_AT_location "
- "of variable <%" PRIx64 ">%s",
- (uint64_t) variable->id,
- variable->name.c_str());
- }
+ case simgrid::dwarf::FormClass::ExprLoc:
+ case simgrid::dwarf::FormClass::Block:
+ // Location expression:
+ {
+ Dwarf_Op* expr;
+ size_t len;
+ if (dwarf_getlocation(&attr_location, &expr, &len)) {
+ xbt_die("Could not read location expression in DW_AT_location "
+ "of variable <%" PRIx64 ">%s",
+ (uint64_t)variable->id, variable->name.c_str());
+ }
- if (len == 1 && expr[0].atom == DW_OP_addr) {
- variable->global = true;
- uintptr_t offset = (uintptr_t) expr[0].number;
- uintptr_t base = (uintptr_t) info->base_address();
- variable->address = (void *) (base + offset);
- } else
- variable->location_list = {
- simgrid::dwarf::LocationListEntry(simgrid::dwarf::DwarfExpression(expr, expr + len))};
+ if (len == 1 && expr[0].atom == DW_OP_addr) {
+ variable->global = true;
+ uintptr_t offset = (uintptr_t)expr[0].number;
+ uintptr_t base = (uintptr_t)info->base_address();
+ variable->address = (void*)(base + offset);
+ } else
+ variable->location_list = {
+ simgrid::dwarf::LocationListEntry(simgrid::dwarf::DwarfExpression(expr, expr + len))};
- break;
- }
+ break;
+ }
- case simgrid::dwarf::FormClass::LocListPtr:
- case simgrid::dwarf::FormClass::Constant:
- // Reference to location list:
- variable->location_list = simgrid::dwarf::location_list(
- *info, attr_location);
- break;
+ case simgrid::dwarf::FormClass::LocListPtr:
+ case simgrid::dwarf::FormClass::Constant:
+ // Reference to location list:
+ variable->location_list = simgrid::dwarf::location_list(*info, attr_location);
+ break;
- default:
- xbt_die("Unexpected form 0x%x (%i), class 0x%x (%i) list for location in <%" PRIx64 ">%s", (unsigned)form, form,
- (unsigned)form_class, (int)form_class, (uint64_t)variable->id, variable->name.c_str());
+ default:
+ xbt_die("Unexpected form 0x%x (%i), class 0x%x (%i) list for location in <%" PRIx64 ">%s", (unsigned)form, form,
+ (unsigned)form_class, (int)form_class, (uint64_t)variable->id, variable->name.c_str());
}
// Handle start_scope:
}
if (ns && variable->global)
- variable->name =
- std::string(ns) + "::" + variable->name;
+ variable->name = std::string(ns) + "::" + variable->name;
// The current code needs a variable name,
// generate a fake one:
return variable;
}
-static void MC_dwarf_handle_variable_die(simgrid::mc::ObjectInformation* info, Dwarf_Die * die,
- Dwarf_Die * unit, simgrid::mc::Frame* frame,
- const char *ns)
+static void MC_dwarf_handle_variable_die(simgrid::mc::ObjectInformation* info, Dwarf_Die* die, Dwarf_Die* unit,
+ simgrid::mc::Frame* frame, const char* ns)
{
- std::unique_ptr<simgrid::mc::Variable> variable =
- MC_die_to_variable(info, die, unit, frame, ns);
+ std::unique_ptr<simgrid::mc::Variable> variable = MC_die_to_variable(info, die, unit, frame, ns);
if (not variable)
return;
// Those arrays are sorted later:
xbt_die("No frame for this local variable");
}
-static void MC_dwarf_handle_scope_die(simgrid::mc::ObjectInformation* info, Dwarf_Die * die,
- Dwarf_Die * unit, simgrid::mc::Frame* parent_frame,
- const char *ns)
+static void MC_dwarf_handle_scope_die(simgrid::mc::ObjectInformation* info, Dwarf_Die* die, Dwarf_Die* unit,
+ simgrid::mc::Frame* parent_frame, const char* ns)
{
// TODO, handle DW_TAG_type/DW_TAG_location for DW_TAG_with_stmt
- int tag = dwarf_tag(die);
+ int tag = dwarf_tag(die);
simgrid::dwarf::TagClass klass = simgrid::dwarf::classify_tag(tag);
// (Template) Subprogram declaration:
- if (klass == simgrid::dwarf::TagClass::Subprogram
- && MC_dwarf_attr_flag(die, DW_AT_declaration, false))
+ if (klass == simgrid::dwarf::TagClass::Subprogram && MC_dwarf_attr_flag(die, DW_AT_declaration, false))
return;
if (klass == simgrid::dwarf::TagClass::Scope)
xbt_assert(parent_frame, "No parent scope for this scope");
simgrid::mc::Frame frame;
- frame.tag = tag;
- frame.id = dwarf_dieoffset(die);
+ frame.tag = tag;
+ frame.id = dwarf_dieoffset(die);
frame.object_info = info;
if (klass == simgrid::dwarf::TagClass::Subprogram) {
- const char *name = MC_dwarf_attr_integrate_string(die, DW_AT_name);
+ const char* name = MC_dwarf_attr_integrate_string(die, DW_AT_name);
if (name && ns)
- frame.name = std::string(ns) + "::" + name;
+ frame.name = std::string(ns) + "::" + name;
else if (name)
frame.name = name;
}
- frame.abstract_origin_id =
- MC_dwarf_attr_dieoffset(die, DW_AT_abstract_origin);
+ frame.abstract_origin_id = MC_dwarf_attr_dieoffset(die, DW_AT_abstract_origin);
// This is the base address for DWARF addresses.
// Relocated addresses are offset from this base address.
// See DWARF4 spec 7.5
- std::uint64_t base = (std::uint64_t) info->base_address();
+ std::uint64_t base = (std::uint64_t)info->base_address();
// TODO, support DW_AT_ranges
- uint64_t low_pc = MC_dwarf_attr_integrate_addr(die, DW_AT_low_pc);
- frame.range.begin() = low_pc ? (std::uint64_t) base + low_pc : 0;
+ uint64_t low_pc = MC_dwarf_attr_integrate_addr(die, DW_AT_low_pc);
+ frame.range.begin() = low_pc ? (std::uint64_t)base + low_pc : 0;
if (low_pc) {
// DW_AT_high_pc:
Dwarf_Attribute attr;
switch (simgrid::dwarf::classify_form(dwarf_whatform(&attr))) {
- // DW_AT_high_pc if an offset from the low_pc:
- case simgrid::dwarf::FormClass::Constant:
-
- if (dwarf_formsdata(&attr, &offset) != 0)
- xbt_die("Could not read constant");
- frame.range.end() = frame.range.begin() + offset;
- break;
+ // DW_AT_high_pc if an offset from the low_pc:
+ case simgrid::dwarf::FormClass::Constant:
- // DW_AT_high_pc is a relocatable address:
- case simgrid::dwarf::FormClass::Address:
- if (dwarf_formaddr(&attr, &high_pc) != 0)
- xbt_die("Could not read address");
- frame.range.end() = base + high_pc;
- break;
+ if (dwarf_formsdata(&attr, &offset) != 0)
+ xbt_die("Could not read constant");
+ frame.range.end() = frame.range.begin() + offset;
+ break;
- default:
- xbt_die("Unexpected class for DW_AT_high_pc");
+ // DW_AT_high_pc is a relocatable address:
+ case simgrid::dwarf::FormClass::Address:
+ if (dwarf_formaddr(&attr, &high_pc) != 0)
+ xbt_die("Could not read address");
+ frame.range.end() = base + high_pc;
+ break;
+ default:
+ xbt_die("Unexpected class for DW_AT_high_pc");
}
}
if (klass == simgrid::dwarf::TagClass::Subprogram) {
Dwarf_Attribute attr_frame_base;
if (dwarf_attr_integrate(die, DW_AT_frame_base, &attr_frame_base))
- frame.frame_base_location = simgrid::dwarf::location_list(*info,
- attr_frame_base);
+ frame.frame_base_location = simgrid::dwarf::location_list(*info, attr_frame_base);
}
// Handle children:
parent_frame->scopes.push_back(std::move(frame));
}
-static void mc_dwarf_handle_namespace_die(simgrid::mc::ObjectInformation* info,
- Dwarf_Die * die, Dwarf_Die * unit,
- simgrid::mc::Frame* frame,
- const char *ns)
+static void mc_dwarf_handle_namespace_die(simgrid::mc::ObjectInformation* info, Dwarf_Die* die, Dwarf_Die* unit,
+ simgrid::mc::Frame* frame, const char* ns)
{
- const char *name = MC_dwarf_attr_integrate_string(die, DW_AT_name);
+ const char* name = MC_dwarf_attr_integrate_string(die, DW_AT_name);
if (frame)
xbt_die("Unexpected namespace in a subprogram");
- char *new_ns = ns == nullptr ? xbt_strdup(name)
- : bprintf("%s::%s", ns, name);
+ char* new_ns = ns == nullptr ? xbt_strdup(name) : bprintf("%s::%s", ns, name);
MC_dwarf_handle_children(info, die, unit, frame, new_ns);
xbt_free(new_ns);
}
-static void MC_dwarf_handle_children(simgrid::mc::ObjectInformation* info, Dwarf_Die * die,
- Dwarf_Die * unit, simgrid::mc::Frame* frame,
- const char *ns)
+static void MC_dwarf_handle_children(simgrid::mc::ObjectInformation* info, Dwarf_Die* die, Dwarf_Die* unit,
+ simgrid::mc::Frame* frame, const char* ns)
{
// For each child DIE:
Dwarf_Die child;
int res;
- for (res = dwarf_child(die, &child); res == 0;
- res = dwarf_siblingof(&child, &child))
+ for (res = dwarf_child(die, &child); res == 0; res = dwarf_siblingof(&child, &child))
MC_dwarf_handle_die(info, &child, unit, frame, ns);
}
-static void MC_dwarf_handle_die(simgrid::mc::ObjectInformation* info, Dwarf_Die * die,
- Dwarf_Die * unit, simgrid::mc::Frame* frame,
- const char *ns)
+static void MC_dwarf_handle_die(simgrid::mc::ObjectInformation* info, Dwarf_Die* die, Dwarf_Die* unit,
+ simgrid::mc::Frame* frame, const char* ns)
{
- int tag = dwarf_tag(die);
+ int tag = dwarf_tag(die);
simgrid::dwarf::TagClass klass = simgrid::dwarf::classify_tag(tag);
switch (klass) {
- // Type:
- case simgrid::dwarf::TagClass::Type:
- MC_dwarf_handle_type_die(info, die, unit, frame, ns);
- break;
-
- // Subprogram or scope:
- case simgrid::dwarf::TagClass::Subprogram:
- case simgrid::dwarf::TagClass::Scope:
- MC_dwarf_handle_scope_die(info, die, unit, frame, ns);
- return;
+ // Type:
+ case simgrid::dwarf::TagClass::Type:
+ MC_dwarf_handle_type_die(info, die, unit, frame, ns);
+ break;
- // Variable:
- case simgrid::dwarf::TagClass::Variable:
- MC_dwarf_handle_variable_die(info, die, unit, frame, ns);
- break;
+ // Subprogram or scope:
+ case simgrid::dwarf::TagClass::Subprogram:
+ case simgrid::dwarf::TagClass::Scope:
+ MC_dwarf_handle_scope_die(info, die, unit, frame, ns);
+ return;
- case simgrid::dwarf::TagClass::Namespace:
- mc_dwarf_handle_namespace_die(info, die, unit, frame, ns);
- break;
+ // Variable:
+ case simgrid::dwarf::TagClass::Variable:
+ MC_dwarf_handle_variable_die(info, die, unit, frame, ns);
+ break;
- default:
- break;
+ case simgrid::dwarf::TagClass::Namespace:
+ mc_dwarf_handle_namespace_die(info, die, unit, frame, ns);
+ break;
+ default:
+ break;
}
}
-static
-Elf64_Half get_type(Elf* elf)
+static Elf64_Half get_type(Elf* elf)
{
Elf64_Ehdr* ehdr64 = elf64_getehdr(elf);
if (ehdr64)
xbt_die("Could not get ELF heeader");
}
-static
-void read_dwarf_info(simgrid::mc::ObjectInformation* info, Dwarf* dwarf)
+static void read_dwarf_info(simgrid::mc::ObjectInformation* info, Dwarf* dwarf)
{
// For each compilation unit:
- Dwarf_Off offset = 0;
+ Dwarf_Off offset = 0;
Dwarf_Off next_offset = 0;
size_t length;
- while (dwarf_nextcu(dwarf, offset, &next_offset, &length, nullptr, nullptr, nullptr) ==
- 0) {
+ while (dwarf_nextcu(dwarf, offset, &next_offset, &length, nullptr, nullptr, nullptr) == 0) {
Dwarf_Die unit_die;
if (dwarf_offdie(dwarf, offset + length, &unit_die) != nullptr)
MC_dwarf_handle_children(info, &unit_die, &unit_die, nullptr, nullptr);
* @param elf libelf handle for an ELF file
* @return build-id for this ELF file (or an empty vector if none is found)
*/
-static
-std::vector<char> get_build_id(Elf* elf)
+static std::vector<char> get_build_id(Elf* elf)
{
#ifdef __linux
// Summary: the GNU build ID is stored in a ("GNU, NT_GNU_BUILD_ID) note
// found in a PT_NOTE entry in the program header table.
size_t phnum;
- if (elf_getphdrnum (elf, &phnum) != 0)
+ if (elf_getphdrnum(elf, &phnum) != 0)
xbt_die("Could not read program headers");
// Iterate over the program headers and find the PT_NOTE ones:
for (size_t i = 0; i < phnum; ++i) {
GElf_Phdr phdr_temp;
- GElf_Phdr *phdr = gelf_getphdr(elf, i, &phdr_temp);
+ GElf_Phdr* phdr = gelf_getphdr(elf, i, &phdr_temp);
if (phdr->p_type != PT_NOTE)
continue;
pos = gelf_getnote(data, pos, &nhdr, &name_pos, &desc_pos);
// A build ID note is identified by the pair ("GNU", NT_GNU_BUILD_ID)
// (a namespace and a type within this namespace):
- if (nhdr.n_type == NT_GNU_BUILD_ID
- && nhdr.n_namesz == sizeof("GNU")
- && memcmp((char*) data->d_buf + name_pos, "GNU", sizeof("GNU")) == 0) {
+ if (nhdr.n_type == NT_GNU_BUILD_ID && nhdr.n_namesz == sizeof("GNU") &&
+ memcmp((char*)data->d_buf + name_pos, "GNU", sizeof("GNU")) == 0) {
XBT_DEBUG("Found GNU/NT_GNU_BUILD_ID note");
- char* start = (char*) data->d_buf + desc_pos;
- char* end = (char*) start + nhdr.n_descsz;
+ char* start = (char*)data->d_buf + desc_pos;
+ char* end = (char*)start + nhdr.n_descsz;
return std::vector<char>(start, end);
}
}
-
}
#endif
return std::vector<char>();
}
-static char hexdigits[16] = {
- '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
- 'a', 'b', 'c', 'd', 'e', 'f'
-};
+static char hexdigits[16] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
/** Binary data to hexadecimal */
-static inline
-std::array<char, 2> to_hex(std::uint8_t byte)
+static inline std::array<char, 2> to_hex(std::uint8_t byte)
{
// Horrid double braces!
// Apparently, this is needed in C++11 (not in C++14).
- return { { hexdigits[byte >> 4], hexdigits[byte & 0xF] } };
+ return {{hexdigits[byte >> 4], hexdigits[byte & 0xF]}};
}
/** Binary data to hexadecimal */
-static
-std::string to_hex(const char* data, std::size_t count)
+static std::string to_hex(const char* data, std::size_t count)
{
std::string res;
- res.resize(2*count);
+ res.resize(2 * count);
for (std::size_t i = 0; i < count; i++) {
std::array<char, 2> hex_byte = to_hex(data[i]);
for (int j = 0; j < 2; ++j)
}
/** Binary data to hexadecimal */
-static
-std::string to_hex(std::vector<char> const& data)
+static std::string to_hex(std::vector<char> const& data)
{
return to_hex(data.data(), data.size());
}
/** Base directories for external debug files */
-static
-const char* debug_paths[] = {
- "/usr/lib/debug/",
- "/usr/local/lib/debug/",
+static const char* debug_paths[] = {
+ "/usr/lib/debug/",
+ "/usr/local/lib/debug/",
};
/** Locate an external debug file from the NT_GNU_BUILD_ID
*/
// Example:
// /usr/lib/debug/.build-id/0b/dc77f1c29aea2b14ff5acd9a19ab3175ffdeae.debug
-static
-std::string find_by_build_id(std::vector<char> id)
+static std::string find_by_build_id(std::vector<char> id)
{
std::string filename;
std::string hex = to_hex(id);
for (const char* const& debug_path : debug_paths) {
// Example:
- filename = std::string(debug_path) + ".build-id/"
- + to_hex(id.data(), 1) + '/'
- + to_hex(id.data() + 1, id.size() - 1) + ".debug";
+ filename = std::string(debug_path) + ".build-id/" + to_hex(id.data(), 1) + '/' +
+ to_hex(id.data() + 1, id.size() - 1) + ".debug";
XBT_DEBUG("Checking debug file: %s", filename.c_str());
if (access(filename.c_str(), F_OK) == 0) {
XBT_DEBUG("Found debug file: %s\n", hex.c_str());
* Read the DWARf information of the EFFL object and populate the
* lists of types, variables, functions.
*/
-static
-void MC_load_dwarf(simgrid::mc::ObjectInformation* info)
+static void MC_load_dwarf(simgrid::mc::ObjectInformation* info)
{
if (elf_version(EV_CURRENT) == EV_NONE)
xbt_die("libelf initialization error");
info->flags |= simgrid::mc::ObjectInformation::Executable;
// Read DWARF debug information in the file:
- Dwarf* dwarf = dwarf_begin_elf (elf, DWARF_C_READ, nullptr);
+ Dwarf* dwarf = dwarf_begin_elf(elf, DWARF_C_READ, nullptr);
if (dwarf != nullptr) {
read_dwarf_info(info, dwarf);
dwarf_end(dwarf);
if (debug_file.empty()) {
std::string hex = to_hex(build_id);
xbt_die("Missing debug info for %s with build-id %s\n"
- "You might want to install the suitable debugging package.\n",
- info->file_name.c_str(), hex.c_str());
+ "You might want to install the suitable debugging package.\n",
+ info->file_name.c_str(), hex.c_str());
}
// Load the DWARF info from this file:
- XBT_DEBUG("Load DWARF for %s from %s",
- info->file_name.c_str(), debug_file.c_str());
+ XBT_DEBUG("Load DWARF for %s from %s", info->file_name.c_str(), debug_file.c_str());
fd = open(debug_file.c_str(), O_RDONLY);
if (fd < 0)
xbt_die("Could not open file %s", debug_file.c_str());
dwarf = dwarf_begin(fd, DWARF_C_READ);
if (dwarf == nullptr)
- xbt_die("No DWARF info in %s for %s",
- debug_file.c_str(), info->file_name.c_str());
+ xbt_die("No DWARF info in %s for %s", debug_file.c_str(), info->file_name.c_str());
read_dwarf_info(info, dwarf);
dwarf_end(dwarf);
close(fd);
if (e.second.range.begin() == 0)
continue;
simgrid::mc::FunctionIndexEntry entry;
- entry.low_pc = (void*) e.second.range.begin();
+ entry.low_pc = (void*)e.second.range.begin();
entry.function = &e.second;
info->functions_index.push_back(entry);
}
// Sort the array by low_pc:
boost::range::sort(info->functions_index,
- [](simgrid::mc::FunctionIndexEntry const& a,
- simgrid::mc::FunctionIndexEntry const& b)
- {
- return a.low_pc < b.low_pc;
- });
+ [](simgrid::mc::FunctionIndexEntry const& a, simgrid::mc::FunctionIndexEntry const& b) {
+ return a.low_pc < b.low_pc;
+ });
}
static void MC_post_process_variables(simgrid::mc::ObjectInformation* info)
for (simgrid::mc::Variable& variable : info->global_variables)
if (variable.type_id)
- variable.type = simgrid::util::find_map_ptr(
- info->types, variable.type_id);
+ variable.type = simgrid::util::find_map_ptr(info->types, variable.type_id);
}
static void mc_post_process_scope(simgrid::mc::ObjectInformation* info, simgrid::mc::Frame* scope)
if (scope->tag == DW_TAG_inlined_subroutine) {
// Attach correct namespaced name in inlined subroutine:
auto i = info->subprograms.find(scope->abstract_origin_id);
- xbt_assert(i != info->subprograms.end(),
- "Could not lookup abstract origin %" PRIx64,
- (std::uint64_t) scope->abstract_origin_id);
+ xbt_assert(i != info->subprograms.end(), "Could not lookup abstract origin %" PRIx64,
+ (std::uint64_t)scope->abstract_origin_id);
scope->name = i->second.name;
}
// Direct:
for (simgrid::mc::Variable& variable : scope->variables)
if (variable.type_id)
- variable.type = simgrid::util::find_map_ptr(
- info->types, variable.type_id);
+ variable.type = simgrid::util::find_map_ptr(info->types, variable.type_id);
// Recursive post-processing of nested-scopes:
for (simgrid::mc::Frame& nested_scope : scope->scopes)
mc_post_process_scope(info, &nested_scope);
}
-static
-simgrid::mc::Type* MC_resolve_type(
- simgrid::mc::ObjectInformation* info, unsigned type_id)
+static simgrid::mc::Type* MC_resolve_type(simgrid::mc::ObjectInformation* info, unsigned type_id)
{
if (not type_id)
return nullptr;
// Try to find a more complete description of the type:
// We need to fix in order to support C++.
- simgrid::mc::Type** subtype = simgrid::util::find_map_ptr(
- info->full_types_by_name, type->name);
+ simgrid::mc::Type** subtype = simgrid::util::find_map_ptr(info->full_types_by_name, type->name);
if (subtype)
type = *subtype;
return type;
namespace mc {
/** @brief Finds informations about a given shared object/executable */
-std::shared_ptr<simgrid::mc::ObjectInformation> createObjectInformation(
- std::vector<simgrid::xbt::VmMap> const& maps, const char *name)
+std::shared_ptr<simgrid::mc::ObjectInformation> createObjectInformation(std::vector<simgrid::xbt::VmMap> const& maps,
+ const char* name)
{
- std::shared_ptr<simgrid::mc::ObjectInformation> result =
- std::make_shared<simgrid::mc::ObjectInformation>();
- result->file_name = name;
+ std::shared_ptr<simgrid::mc::ObjectInformation> result = std::make_shared<simgrid::mc::ObjectInformation>();
+ result->file_name = name;
simgrid::mc::find_object_address(maps, result.get());
MC_load_dwarf(result.get());
MC_post_process_variables(result.get());
simgrid::mc::Type* type = &(t.second);
simgrid::mc::Type* subtype = type;
- while (subtype->type == DW_TAG_typedef
- || subtype->type == DW_TAG_volatile_type
- || subtype->type == DW_TAG_const_type)
+ while (subtype->type == DW_TAG_typedef || subtype->type == DW_TAG_volatile_type ||
+ subtype->type == DW_TAG_const_type)
if (subtype->subtype)
subtype = subtype->subtype;
else
break;
}
}
- else type->full_type = subtype;
-
+ else
+ type->full_type = subtype;
}
}
-}
-}
+} // namespace mc
+} // namespace simgrid
namespace simgrid {
namespace dwarf {
// Couldn't find the authoritative source of information for this.
// This is inspired from http://source.winehq.org/source/dlls/dbghelp/cpu_i386.c#L517.
switch (dwarf_register) {
- case 0:
- return UNW_X86_EAX;
- case 1:
- return UNW_X86_ECX;
- case 2:
- return UNW_X86_EDX;
- case 3:
- return UNW_X86_EBX;
- case 4:
- return UNW_X86_ESP;
- case 5:
- return UNW_X86_EBP;
- case 6:
- return UNW_X86_ESI;
- case 7:
- return UNW_X86_EDI;
- case 8:
- return UNW_X86_EIP;
- case 9:
- return UNW_X86_EFLAGS;
- case 10:
- return UNW_X86_CS;
- case 11:
- return UNW_X86_SS;
- case 12:
- return UNW_X86_DS;
- case 13:
- return UNW_X86_ES;
- case 14:
- return UNW_X86_FS;
- case 15:
- return UNW_X86_GS;
- case 16:
- return UNW_X86_ST0;
- case 17:
- return UNW_X86_ST1;
- case 18:
- return UNW_X86_ST2;
- case 19:
- return UNW_X86_ST3;
- case 20:
- return UNW_X86_ST4;
- case 21:
- return UNW_X86_ST5;
- case 22:
- return UNW_X86_ST6;
- case 23:
- return UNW_X86_ST7;
- default:
- xbt_die("Bad/unknown register number.");
+ case 0:
+ return UNW_X86_EAX;
+ case 1:
+ return UNW_X86_ECX;
+ case 2:
+ return UNW_X86_EDX;
+ case 3:
+ return UNW_X86_EBX;
+ case 4:
+ return UNW_X86_ESP;
+ case 5:
+ return UNW_X86_EBP;
+ case 6:
+ return UNW_X86_ESI;
+ case 7:
+ return UNW_X86_EDI;
+ case 8:
+ return UNW_X86_EIP;
+ case 9:
+ return UNW_X86_EFLAGS;
+ case 10:
+ return UNW_X86_CS;
+ case 11:
+ return UNW_X86_SS;
+ case 12:
+ return UNW_X86_DS;
+ case 13:
+ return UNW_X86_ES;
+ case 14:
+ return UNW_X86_FS;
+ case 15:
+ return UNW_X86_GS;
+ case 16:
+ return UNW_X86_ST0;
+ case 17:
+ return UNW_X86_ST1;
+ case 18:
+ return UNW_X86_ST2;
+ case 19:
+ return UNW_X86_ST3;
+ case 20:
+ return UNW_X86_ST4;
+ case 21:
+ return UNW_X86_ST5;
+ case 22:
+ return UNW_X86_ST6;
+ case 23:
+ return UNW_X86_ST7;
+ default:
+ xbt_die("Bad/unknown register number.");
}
#else
#error This architecture is not supported yet for DWARF expression evaluation.
#endif
}
-}
-}
+} // namespace dwarf
+} // namespace simgrid
