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[lldb] Add support for recognizing swift ast sections in object files

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In Apple's downstream fork, there is support for understanding the swift
AST sections in various binaries. Even though the lldb on llvm.org does
not have support for debugging swift, I think it makes sense to move
support for recognizing swift ast sections upstream.

Differential Revision: https://reviews.llvm.org/D159142
This commit is contained in:
Alex Langford
2023-08-29 14:11:41 -07:00
parent dfc0ede1f8
commit 764287f1ad
6 changed files with 11 additions and 0 deletions
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4
lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp
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@@ -1202,6 +1202,7 @@ AddressClass ObjectFileMachO::GetAddressClass(lldb::addr_t file_addr) {
case eSectionTypeDWARFAppleObjC:
case eSectionTypeDWARFGNUDebugAltLink:
case eSectionTypeCTF:
case eSectionTypeSwiftModules:
return AddressClass::eDebug;
case eSectionTypeEHFrame:
@@ -1476,6 +1477,7 @@ static lldb::SectionType GetSectionType(uint32_t flags,
static ConstString g_sect_name_data("__data");
static ConstString g_sect_name_go_symtab("__gosymtab");
static ConstString g_sect_name_ctf("__ctf");
static ConstString g_sect_name_swift_ast("__swift_ast");
if (section_name == g_sect_name_dwarf_debug_abbrev)
return eSectionTypeDWARFDebugAbbrev;
@@ -1555,6 +1557,8 @@ static lldb::SectionType GetSectionType(uint32_t flags,
return eSectionTypeGoSymtab;
if (section_name == g_sect_name_ctf)
return eSectionTypeCTF;
if (section_name == g_sect_name_swift_ast)
return eSectionTypeSwiftModules;
if (section_name == g_sect_name_objc_data ||
section_name == g_sect_name_objc_classrefs ||
section_name == g_sect_name_objc_superrefs ||