diff options
author | Jonas Devlieghere <jonas@devlieghere.com> | 2024-06-06 08:54:37 -0700 |
---|---|---|
committer | GitHub <noreply@github.com> | 2024-06-06 08:54:37 -0700 |
commit | 67aaa9f9974993f360cc0dabffd73b51c030d775 (patch) | |
tree | cbfb849cb4dcaa915f6e6109e16c92e0afb11e65 | |
parent | a76290d6acedb4dcdd431cdd21f057255117f8d3 (diff) | |
download | llvm-67aaa9f9974993f360cc0dabffd73b51c030d775.zip llvm-67aaa9f9974993f360cc0dabffd73b51c030d775.tar.gz llvm-67aaa9f9974993f360cc0dabffd73b51c030d775.tar.bz2 |
[lldb] Refactor ResolveLoadAddress to return an llvm::Expected (NFC) (#94558)
-rw-r--r-- | lldb/source/Expression/DWARFExpression.cpp | 48 |
1 files changed, 17 insertions, 31 deletions
diff --git a/lldb/source/Expression/DWARFExpression.cpp b/lldb/source/Expression/DWARFExpression.cpp index 622b36b..05767a8 100644 --- a/lldb/source/Expression/DWARFExpression.cpp +++ b/lldb/source/Expression/DWARFExpression.cpp @@ -769,7 +769,6 @@ void UpdateValueTypeFromLocationDescription(Log *log, const DWARFUnit *dwarf_cu, /// /// \param exe_ctx Pointer to the execution context /// \param module_sp shared_ptr contains the module if we have one -/// \param error_ptr pointer to Status object if we have one /// \param dw_op_type C-style string used to vary the error output /// \param file_addr the file address we are trying to resolve and turn into a /// load address @@ -780,32 +779,22 @@ void UpdateValueTypeFromLocationDescription(Log *log, const DWARFUnit *dwarf_cu, /// the load address succeed or an empty Optinal otherwise. If /// check_sectionoffset is true we consider LLDB_INVALID_ADDRESS a /// success if so_addr.IsSectionOffset() is true. -static std::optional<lldb::addr_t> +static llvm::Expected<lldb::addr_t> ResolveLoadAddress(ExecutionContext *exe_ctx, lldb::ModuleSP &module_sp, - Status *error_ptr, const char *dw_op_type, - lldb::addr_t file_addr, Address &so_addr, - bool check_sectionoffset = false) { - if (!module_sp) { - if (error_ptr) - error_ptr->SetErrorStringWithFormat( - "need module to resolve file address for %s", dw_op_type); - return {}; - } + const char *dw_op_type, lldb::addr_t file_addr, + Address &so_addr, bool check_sectionoffset = false) { + if (!module_sp) + return llvm::createStringError("need module to resolve file address for %s", + dw_op_type); - if (!module_sp->ResolveFileAddress(file_addr, so_addr)) { - if (error_ptr) - error_ptr->SetErrorString("failed to resolve file address in module"); - return {}; - } + if (!module_sp->ResolveFileAddress(file_addr, so_addr)) + return llvm::createStringError("failed to resolve file address in module"); - addr_t load_addr = so_addr.GetLoadAddress(exe_ctx->GetTargetPtr()); + const addr_t load_addr = so_addr.GetLoadAddress(exe_ctx->GetTargetPtr()); if (load_addr == LLDB_INVALID_ADDRESS && - (check_sectionoffset && !so_addr.IsSectionOffset())) { - if (error_ptr) - error_ptr->SetErrorString("failed to resolve load address"); - return {}; - } + (check_sectionoffset && !so_addr.IsSectionOffset())) + return llvm::createStringError("failed to resolve load address"); return load_addr; } @@ -975,12 +964,11 @@ llvm::Expected<Value> DWARFExpression::Evaluate( LLDB_INVALID_ADDRESS); Address so_addr; - Status load_err; auto maybe_load_addr = ResolveLoadAddress( - exe_ctx, module_sp, &load_err, "DW_OP_deref", file_addr, so_addr); + exe_ctx, module_sp, "DW_OP_deref", file_addr, so_addr); if (!maybe_load_addr) - return load_err.ToError(); + return maybe_load_addr.takeError(); stack.back().GetScalar() = *maybe_load_addr; // Fall through to load address promotion code below. @@ -1092,14 +1080,12 @@ llvm::Expected<Value> DWARFExpression::Evaluate( auto file_addr = stack.back().GetScalar().ULongLong(LLDB_INVALID_ADDRESS); Address so_addr; - Status resolve_err; - auto maybe_load_addr = - ResolveLoadAddress(exe_ctx, module_sp, &resolve_err, - "DW_OP_deref_size", file_addr, so_addr, - /*check_sectionoffset=*/true); + auto maybe_load_addr = ResolveLoadAddress( + exe_ctx, module_sp, "DW_OP_deref_size", file_addr, so_addr, + /*check_sectionoffset=*/true); if (!maybe_load_addr) - return resolve_err.ToError(); + return maybe_load_addr.takeError(); addr_t load_addr = *maybe_load_addr; |