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[LLDB] Fix ValueObject::AddressOf() return value #137688

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May 5, 2025
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7 changes: 5 additions & 2 deletions lldb/source/ValueObject/ValueObject.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -2966,10 +2966,13 @@ ValueObjectSP ValueObject::AddressOf(Status &error) {
std::string name(1, '&');
name.append(m_name.AsCString(""));
ExecutionContext exe_ctx(GetExecutionContextRef());

lldb::DataBufferSP buffer(
new lldb_private::DataBufferHeap(&addr, sizeof(lldb::addr_t)));
m_addr_of_valobj_sp = ValueObjectConstResult::Create(
exe_ctx.GetBestExecutionContextScope(),
compiler_type.GetPointerType(), ConstString(name.c_str()), addr,
eAddressTypeInvalid, m_data.GetAddressByteSize());
compiler_type.GetPointerType(), ConstString(name.c_str()), buffer,
endian::InlHostByteOrder(), exe_ctx.GetAddressByteSize());
}
} break;
default:
Expand Down
47 changes: 25 additions & 22 deletions lldb/test/API/python_api/sbvalue_const_addrof/main.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -3,21 +3,21 @@

struct RegisterContext
{
uintptr_t r0;
uintptr_t r1;
uintptr_t r2;
uintptr_t r3;
uintptr_t r4;
uintptr_t pc;
uintptr_t fp;
uintptr_t sp;
uintptr_t r0;
uintptr_t r1;
uintptr_t r2;
uintptr_t r3;
uintptr_t r4;
uintptr_t pc;
uintptr_t fp;
uintptr_t sp;
};

struct ThreadInfo {
uint32_t tid;
const char *name;
RegisterContext regs;
ThreadInfo *next;
uint32_t tid;
const char *name;
RegisterContext regs;
ThreadInfo *next;
};
int main (int argc, char const *argv[], char const *envp[]);

Expand All @@ -27,14 +27,17 @@ ThreadInfo *g_thread_list_ptr = &g_thread1;

int main (int argc, char const *argv[], char const *envp[])
{
printf ("g_thread_list is %p\n", g_thread_list_ptr);
return 0; //% v = self.dbg.GetSelectedTarget().FindFirstGlobalVariable('g_thread_list_ptr')
//% v_gla = v.GetChildMemberWithName('regs').GetLoadAddress()
//% v_aof = v.GetChildMemberWithName('regs').AddressOf().GetValueAsUnsigned(lldb.LLDB_INVALID_ADDRESS)
//% expr = '(%s)0x%x' % (v.GetType().GetName(), v.GetValueAsUnsigned(0))
//% e = v.CreateValueFromExpression('e', expr)
//% e_gla = e.GetChildMemberWithName('regs').GetLoadAddress()
//% e_aof = e.GetChildMemberWithName('regs').AddressOf().GetValueAsUnsigned(lldb.LLDB_INVALID_ADDRESS)
//% self.assertTrue(v_gla == e_gla, "GetLoadAddress() differs")
//% self.assertTrue(v_aof == e_aof, "AddressOf() differs")
// clang-format off
printf ("g_thread_list is %p\n", g_thread_list_ptr);
return 0; //% v = self.dbg.GetSelectedTarget().FindFirstGlobalVariable('g_thread_list_ptr')
//% self.assertTrue(v.AddressOf().IsValid())
//% self.assertFalse(v.AddressOf().AddressOf().IsValid())
//% v_gla = v.GetChildMemberWithName('regs').GetLoadAddress()
//% v_aof = v.GetChildMemberWithName('regs').AddressOf().GetValueAsUnsigned(lldb.LLDB_INVALID_ADDRESS)
//% expr = '(%s)0x%x' % (v.GetType().GetName(), v.GetValueAsUnsigned(0))
//% e = v.CreateValueFromExpression('e', expr)
//% e_gla = e.GetChildMemberWithName('regs').GetLoadAddress()
//% e_aof = e.GetChildMemberWithName('regs').AddressOf().GetValueAsUnsigned(lldb.LLDB_INVALID_ADDRESS)
//% self.assertTrue(v_gla == e_gla, "GetLoadAddress() differs")
//% self.assertTrue(v_aof == e_aof, "AddressOf() differs")
}
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