From 6c5e4d51e9590e4fbc144fad801e4fabe1e7f923 Mon Sep 17 00:00:00 2001
From: jdh8d <jdh8d@git.zephyr-software.com>
Date: Tue, 6 Feb 2018 20:48:52 +0000
Subject: [PATCH] more bea->libIRDB-decode changes
---
push64_relocs.cpp | 29 +++++++++++++++++++----------
1 file changed, 19 insertions(+), 10 deletions(-)
diff --git a/push64_relocs.cpp b/push64_relocs.cpp
index 45a4a45..e42e880 100644
--- a/push64_relocs.cpp
+++ b/push64_relocs.cpp
@@ -30,28 +30,32 @@
#include <zipr_sdk.h>
+#include <libIRDB-decode.hpp>
#include <string>
#include <algorithm>
#include "utils.hpp"
#include "Rewrite_Utility.hpp"
#include "push64_relocs.h"
-#include <bea_deprecated.hpp>
+// #include <bea_deprecated.hpp>
using namespace libIRDB;
using namespace std;
using namespace Zipr_SDK;
using namespace ELFIO;
+#define ALLOF(a) begin(a), end(a)
+/*
bool arg_has_relative(const ARGTYPE &arg)
{
- /* if it's relative memory, watch out! */
+ // if it's relative memory, watch out!
if(arg.ArgType&MEMORY_TYPE)
if(arg.ArgType&RELATIVE_)
return true;
return false;
}
+*/
Push64Relocs_t::Push64Relocs_t(MemorySpace_t *p_ms,
elfio *p_elfio,
@@ -318,8 +322,8 @@ void Push64Relocs_t::UpdatePush64Adds()
int existing_offset_size = 0;
uint8_t *insn_bytes = NULL;
int insn_bytes_len = 0;
- DISASM d;
- ARGTYPE *arg=NULL;
+ //DISASM d;
+ //ARGTYPE *arg=NULL;
#if 1
insn_addr = final_insn_locations[insn];
if (insn_addr == 0)
@@ -334,7 +338,8 @@ void Push64Relocs_t::UpdatePush64Adds()
insn_bytes=(uint8_t*)malloc(insn_bytes_len);
memcpy(insn_bytes, insn->GetDataBits().c_str(), insn_bytes_len);
- Disassemble(insn,d);
+ DecodedInstruction_t d(insn);
+ /* Disassemble(insn,d);
if(arg_has_relative(d.Argument1))
arg=&d.Argument1;
@@ -342,11 +347,15 @@ void Push64Relocs_t::UpdatePush64Adds()
arg=&d.Argument2;
if(arg_has_relative(d.Argument3))
arg=&d.Argument3;
-
assert(arg);
-
- memory_offset = arg->Memory.DisplacementAddr-d.EIP;
- existing_offset_size = arg->Memory.DisplacementSize;
+ */
+ const auto operands=d.getOperands();
+ const auto arg_it=find_if(ALLOF(operands),[](const DecodedOperand_t& op) { return op.isMemory() && op.isPcrel(); });
+ assert(arg_it!=operands.end());
+ const auto arg=*arg_it;
+
+ memory_offset = d.getMemoryDisplacementOffset(arg); // arg->Memory.DisplacementAddr-d.EIP;
+ existing_offset_size = arg.getMemoryDisplacementEncodingSize(); // arg->Memory.DisplacementSize;
assert(memory_offset>=0 && memory_offset <=15 &&
(existing_offset_size==1 ||
existing_offset_size==2 ||
@@ -363,7 +372,7 @@ void Push64Relocs_t::UpdatePush64Adds()
<< std::hex << existing_offset
<< " existing offset at 0x"
<< insn_addr << "." << endl
- << "Based on: " << d.CompleteInstr << endl
+ << "Based on: " << d.getDisassembly() /*CompleteInstr*/ << endl
<< "New address: 0x" << std::hex << new_offset << endl;
m_memory_space.PlopBytes(insn_addr+memory_offset,
--
GitLab