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asmodai
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@ -247,6 +247,7 @@
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<ClInclude Include="..\src\utils.h" />
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</ItemGroup>
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<ItemGroup>
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<None Include="..\extra\config.ini" />
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<None Include="metamod.def" />
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</ItemGroup>
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<ItemGroup>
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@ -9,6 +9,9 @@
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<UniqueIdentifier>{dfc6c7bb-cea4-43c5-bb1b-b8145cf93dd5}</UniqueIdentifier>
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<Extensions>ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe</Extensions>
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</Filter>
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<Filter Include="Extra">
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<UniqueIdentifier>{6da03b3e-ec77-465c-bdef-280206450268}</UniqueIdentifier>
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</Filter>
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</ItemGroup>
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<ItemGroup>
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<ClCompile Include="..\src\api_info.cpp">
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@ -183,6 +186,9 @@
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<None Include="metamod.def">
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<Filter>Resource Files</Filter>
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</None>
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<None Include="..\extra\config.ini">
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<Filter>Extra</Filter>
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</None>
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</ItemGroup>
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<ItemGroup>
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<ResourceCompile Include="metamod.rc">
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@ -140,7 +140,7 @@ void CForwardCallbackJIT::naked_main()
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jecxz(go_next_plugin);
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jnz(go_next_plugin);
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if (&plug == &m_jitdata->plugins->front()) { // init
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if (&plug == &m_jitdata->plugins->front()) { // init meta globals
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xor_(eax, eax);
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mov(dword_ptr[globals + mg_mres], MRES_IGNORED);
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mov(dword_ptr[globals + mg_prev_mres], eax); // MRES_UNSET
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@ -154,12 +154,14 @@ void CForwardCallbackJIT::naked_main()
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call_func(ecx);
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// update highest meta result
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mov(edx, dword_ptr[globals + mg_mres]);
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mov(ecx, dword_ptr[globals + mg_status]);
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cmp(edx, ecx);
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cmovg(ecx, edx);
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mov(dword_ptr[globals + mg_status], ecx);
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// save return value if supercede
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if (m_jitdata->has_ret) {
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mov(ecx, dword_ptr[esp + over_ret]);
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cmp(edx, MRES_SUPERCEDE);
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@ -170,20 +172,22 @@ void CForwardCallbackJIT::naked_main()
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L(go_next_plugin);
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}
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// call original if need
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// call original if it needed
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cmp(dword_ptr[globals + mg_status], MRES_SUPERCEDE);
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jz("skip_original");
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{
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// and present
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if (m_jitdata->pfn_original) {
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mov(ecx, m_jitdata->pfn_original);
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call_func(ecx);
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}
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// store original return value
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if (m_jitdata->has_ret) {
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if (m_jitdata->pfn_original)
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mov(dword_ptr[esp + orig_ret], eax);
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else
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mov(dword_ptr[esp + orig_ret], TRUE); // for should collide :/
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mov(dword_ptr[esp + orig_ret], TRUE); // fix for should collide :/
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jmp("skip_supercede");
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}
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@ -219,7 +223,7 @@ void CForwardCallbackJIT::naked_main()
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jecxz(go_next_plugin);
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jnz(go_next_plugin);
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if (&plug == &m_jitdata->plugins->front()) { // init
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if (&plug == &m_jitdata->plugins->front()) { // init meta globals
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xor_(eax, eax);
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mov(dword_ptr[globals + mg_mres], MRES_IGNORED);
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mov(dword_ptr[globals + mg_prev_mres], eax); // MRES_UNSET
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@ -233,12 +237,14 @@ void CForwardCallbackJIT::naked_main()
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call_func(ecx);
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// update highest meta result
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mov(edx, dword_ptr[globals + mg_mres]);
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mov(ecx, dword_ptr[globals + mg_status]);
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cmp(ecx, edx);
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cmovl(ecx, edx);
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mov(dword_ptr[globals + mg_status], ecx);
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// save return value if supercede
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if (m_jitdata->has_ret) {
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cmp(edx, MRES_SUPERCEDE);
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mov(ecx, dword_ptr[esp + over_ret]);
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@ -255,11 +261,13 @@ void CForwardCallbackJIT::naked_main()
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call_func(ecx);
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}
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// restore meta globals
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movaps(xmm0, xmmword_ptr[esp + mg_backup + sizeof(int) * 2]);
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movq(xmm1, qword_ptr[esp + mg_backup]);
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movaps(xmmword_ptr[globals], xmm0);
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movq(qword_ptr[globals + xmmreg_size], xmm1);
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// setup return value and override it if needed
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if (m_jitdata->has_ret) {
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mov(eax, dword_ptr[esp + orig_ret]);
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cmp(dword_ptr[globals + mg_status], MRES_OVERRIDE);
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@ -370,9 +378,9 @@ void CJit::clear_tramps()
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size_t CJit::is_callback_retaddr(uint32 addr)
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{
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if (m_callback_allocator.contain(addr)) {
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// FF D1 call ecx
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// 83 C4 20 add esp, 20h ; optional
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// 8B 13 mov edx, [ebx]
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// FF D1 call ecx
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// 83 C4 20 add esp, 20h ; optional
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// 8B 13 mov edx, [ebx]
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char *ptr = (char *)addr - 2;
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return mem_compare(ptr, "\xFF\xD1\x83\xC4", 4) || mem_compare(ptr, "\xFF\xD1\x8B\x13", 4);
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}
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@ -439,28 +439,28 @@ static void meta_collect_fix_data(uint32* const esp, std::vector<fixdata_t>& dat
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char* raddr = (char *)*pret;
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size_t args_count = 0;
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if ((raddr[0] == 0x83 && raddr[1] == 0xC4))
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if ((raddr[0] == 0x83 && raddr[1] == 0xC4)) // add esp, XX
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args_count = raddr[2] / 4;
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// 8B 0D 4E 61 BC 00 mov ecx, ds : 0BC614Eh
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// 80 3D 4E 61 BC 00 05 cmp byte ptr ds : 0BC614Eh, 5
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// 8B 0D 4E 61 BC 00 mov ecx, ds:0BC614Eh
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// 80 3D 4E 61 BC 00 05 cmp byte ptr ds:0BC614Eh, 5
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char pattern[] = "\x8B\x0D\x2A\x2A\x2A\x2A\x80\x3D";
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// scan for callback addr
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do raddr--;
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while (!mem_compare(raddr, pattern, sizeof pattern - 1));
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uint32 callback = *(uint32 *)(raddr + 2);
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uint32 callback = *(uint32 *)(raddr + 2); // mov ecx, [callback]
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data.push_back({pret, callback});
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// 0F 29 44 24 1C movaps xmmword ptr[esp + 1Ch], xmm0
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// 66 0F D6 4C 24 14 movq mmword ptr[esp + 14h], xmm1
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// 0F 29 44 24 1C movaps xmmword ptr [esp + 1Ch], xmm0
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// 66 0F D6 4C 24 14 movq mmword ptr [esp + 14h], xmm1
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// 0F 29 84 24 36 05 00 00 movaps xmmword ptr[esp + 536h], xmm0
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// 66 0F D6 8C 24 36 05 00 00 movq qword ptr[esp + 536h], xmm1
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// 0F 29 84 24 36 05 00 00 movaps xmmword ptr [esp + 536h], xmm0
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// 66 0F D6 8C 24 36 05 00 00 movq qword ptr [esp + 536h], xmm1
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char pattern2[] = "\x66\x0F\xD6\x2A\x24";
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// scan for mg_backup
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// scan for mg_backup at stack
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do raddr--;
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while (!mem_compare(raddr, pattern2, sizeof pattern2 - 1));
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@ -478,7 +478,7 @@ static void meta_collect_fix_data(uint32* const esp, std::vector<fixdata_t>& dat
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static void meta_apply_fix_data(std::vector<fixdata_t>& data)
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{
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for (auto& d : data) {
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// 8B 0D 4E 61 BC 00 mov ecx, ds:0BC614Eh
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// 8B 0D 4E 61 BC 00 mov ecx, ds:0BC614Eh
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char pattern[6] = "\x8B\x0D";
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*(uint32 *)(pattern + 2) = d.callback;
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@ -488,9 +488,9 @@ static void meta_apply_fix_data(std::vector<fixdata_t>& data)
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do_exit(666);
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}
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// FF D1 call ecx
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// 83 C4 20 add esp, 20h ; optional
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// 8B 13 mov edx, [ebx]
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// FF D1 call ecx
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// 83 C4 20 add esp, 20h ; optional
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// 8B 13 mov edx, [ebx]
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do ptr++;
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while (!mem_compare(ptr, "\xFF\xD1\x83\xC4", 4) && !mem_compare(ptr, "\xFF\xD1\x8B\x13", 4));
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@ -74,11 +74,11 @@ task publishPrepareFiles << {
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}
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copy {
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from 'metamod/extra/example'
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into 'publish/publishRoot/metamod/example'
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into 'publish/publishRoot/metamod/example_plugin'
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}
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copy {
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from 'publish/publishRoot/metamod/sdk'
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into 'publish/publishRoot/metamod/example/include/metamod'
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into 'publish/publishRoot/metamod/example_plugin/include/metamod'
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}
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}
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