1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
//===-- ThreadPlanCallFunctionUsingABI.cpp --------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "lldb/Target/ThreadPlanCallFunctionUsingABI.h"
#include "lldb/Core/Address.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/RegisterContext.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Thread.h"
#include "lldb/Utility/Log.h"
#include "lldb/Utility/Stream.h"
using namespace lldb;
using namespace lldb_private;
// ThreadPlanCallFunctionUsingABI: Plan to call a single function using the ABI
// instead of JIT
ThreadPlanCallFunctionUsingABI::ThreadPlanCallFunctionUsingABI(
Thread &thread, const Address &function, llvm::Type &prototype,
llvm::Type &return_type, llvm::ArrayRef<ABI::CallArgument> args,
const EvaluateExpressionOptions &options)
: ThreadPlanCallFunction(thread, function, options),
m_return_type(return_type) {
lldb::addr_t start_load_addr = LLDB_INVALID_ADDRESS;
lldb::addr_t function_load_addr = LLDB_INVALID_ADDRESS;
ABI *abi = nullptr;
if (!ConstructorSetup(thread, abi, start_load_addr, function_load_addr))
return;
if (!abi->PrepareTrivialCall(thread, m_function_sp, function_load_addr,
start_load_addr, prototype, args))
return;
ReportRegisterState("ABI Function call was set up. Register state was:");
m_valid = true;
}
ThreadPlanCallFunctionUsingABI::~ThreadPlanCallFunctionUsingABI() = default;
void ThreadPlanCallFunctionUsingABI::GetDescription(Stream *s,
DescriptionLevel level) {
if (level == eDescriptionLevelBrief) {
s->Printf("Function call thread plan using ABI instead of JIT");
} else {
s->Printf("Thread plan to call 0x%" PRIx64 " using ABI instead of JIT",
m_function_addr.GetLoadAddress(&GetTarget()));
}
}
void ThreadPlanCallFunctionUsingABI::SetReturnValue() {
const ABI *abi = m_process.GetABI().get();
// Ask the abi for the return value
if (abi) {
const bool persistent = false;
m_return_valobj_sp =
abi->GetReturnValueObject(GetThread(), m_return_type, persistent);
}
}
|
