JakeHillion/object-introspection
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Update drgn submodule

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Adds support for C++ member functions and virtuality.
This commit is contained in:
Alastair Robertson 2023-01-18 09:36:01 -08:00 committed by Alastair Robertson
parent ab499f6b83
commit aef8826a3a
4 changed files with 9 additions and 13 deletions
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2
.gitmodules vendored
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@ -1,6 +1,6 @@
[submodule "extern/drgn"] [submodule "extern/drgn"]
path = extern/drgn path = extern/drgn
url = https://github.com/JakeHillion/drgn.git url = https://github.com/ajor/drgn.git
[submodule "extern/folly"] [submodule "extern/folly"]
path = extern/folly path = extern/folly
url = https://github.com/jgkamat/folly.git url = https://github.com/jgkamat/folly.git

2
extern/drgn vendored

@ -1 +1 @@
Subproject commit 4a5b6279798c5625f68382baaba5f565aa798830 Subproject commit e3425c1ceb29d52cfc52e37de8763a6a4aa483eb

16
src/Serialize.cpp
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@ -226,10 +226,6 @@ void serialize(Archive &ar, struct drgn_type &type,
} while (0) } while (0)
verify_version<struct drgn_type>(version); verify_version<struct drgn_type>(version);
// We want to ensure that if the definition of `struct drgn_type` is changed
// at any point in the future that our code stops compiling, instead of us
// silently ignoring any newly added fields.
static_assert(sizeof(type) == 120);
// Ensure any unused fields are zeroed out for safety, as to avoid subtle // Ensure any unused fields are zeroed out for safety, as to avoid subtle
// bugs resulting from mistakenly unserialized fields containing garbage. // bugs resulting from mistakenly unserialized fields containing garbage.
@ -259,16 +255,12 @@ void serialize(Archive &ar, struct drgn_type &type,
// `struct drgn_type`s in order to avoid serializing massive amounts of data. // `struct drgn_type`s in order to avoid serializing massive amounts of data.
// In other words, our serialization of `struct drgn_type` is shallow. // In other words, our serialization of `struct drgn_type` is shallow.
// First union: `name`, `tag`, `num_parameters` // First union: `name`, `tag`
assert_in_same_union(name, tag); assert_in_same_union(name, tag);
assert_in_same_union(name, num_parameters);
if (drgn_type_has_name(&type)) { if (drgn_type_has_name(&type)) {
serialize_c_string(ar, const_cast<char **>(&type._private.name)); serialize_c_string(ar, const_cast<char **>(&type._private.name));
} else if (drgn_type_has_tag(&type)) { } else if (drgn_type_has_tag(&type)) {
serialize_c_string(ar, const_cast<char **>(&type._private.tag)); serialize_c_string(ar, const_cast<char **>(&type._private.tag));
} else if (drgn_type_has_parameters(&type)) {
// Leave `num_parameters` set to 0 per the initial `memset`,
// see "AVOIDING OVERSERIALIZATION" comment above
} }
// Second union: `size`, `length`, `num_enumerators`, `is_variadic` // Second union: `size`, `length`, `num_enumerators`, `is_variadic`
@ -285,7 +277,11 @@ void serialize(Archive &ar, struct drgn_type &type,
ar &type._private.is_variadic; ar &type._private.is_variadic;
} }
// Third union: `little_endian`, `members`, `enumerators`, `parameters` // Third union: `is_signed`, `num_members`, `num_paramters`
// Leave set to 0 per the initial `memset`, see "AVOIDING OVERSERIALIZATION"
// comment above
// Fourth union: `little_endian`, `members`, `enumerators`, `parameters`
assert_in_same_union(little_endian, members); assert_in_same_union(little_endian, members);
assert_in_same_union(little_endian, enumerators); assert_in_same_union(little_endian, enumerators);
assert_in_same_union(little_endian, parameters); assert_in_same_union(little_endian, parameters);

2
src/Serialize.h
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@ -47,7 +47,7 @@ DEFINE_TYPE_VERSION(FuncDesc::Retval, 56, 2)
DEFINE_TYPE_VERSION(FuncDesc::Range, 16, 2) DEFINE_TYPE_VERSION(FuncDesc::Range, 16, 2)
DEFINE_TYPE_VERSION(FuncDesc, 104, 4) DEFINE_TYPE_VERSION(FuncDesc, 104, 4)
DEFINE_TYPE_VERSION(GlobalDesc, 72, 4) DEFINE_TYPE_VERSION(GlobalDesc, 72, 4)
DEFINE_TYPE_VERSION(struct drgn_type, 120, 3) DEFINE_TYPE_VERSION(struct drgn_type, 152, 4)
DEFINE_TYPE_VERSION(DrgnClassMemberInfo, 64, 3) DEFINE_TYPE_VERSION(DrgnClassMemberInfo, 64, 3)
DEFINE_TYPE_VERSION(struct drgn_qualified_type, 16, 2) DEFINE_TYPE_VERSION(struct drgn_qualified_type, 16, 2)
DEFINE_TYPE_VERSION(RootInfo, 48, 2) DEFINE_TYPE_VERSION(RootInfo, 48, 2)