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-rw-r--r--lib/mipsdis.cpp360
1 files changed, 180 insertions, 180 deletions
diff --git a/lib/mipsdis.cpp b/lib/mipsdis.cpp
index cbaf9e3..bb6364c 100644
--- a/lib/mipsdis.cpp
+++ b/lib/mipsdis.cpp
@@ -1,180 +1,180 @@
-/*
- * PSX-Tools Bundle Pack
- * Copyright (C) 2002-2003 Nicolas "Pixel" Noble
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-/* $Id: mipsdis.cpp,v 1.2 2004-01-26 15:31:55 pixel Exp $ */
-
-#include "mipsdis.h"
-#include "mips.h"
-
-TDis::TDis(mipsmem * _m) : mm(_m) {
- reset();
-}
-
-void TDis::reset() {
- invalid = false;
-}
-
-mipsmem * TDis::getmem() {
- return mm;
-}
-
-void TDis::add_branch(Uint32 target) {
- bheap.push(target);
-}
-
-void TDis::add_jump(Uint32 target) {
- jheap.push(target);
-}
-
-void TDis::add_function(Uint32 target) {
- fheap.push(target);
-}
-
-void TDis::SetTag(Uint32 target, int tag, bool v) {
- mm->SetTag(target, tag, v);
-}
-
-void TDis::Name(const String & name) {
-}
-
-void TDis::PushGPReg(int reg) {
-}
-
-void TDis::PushCPReg(int reg) {
-}
-
-void TDis::PushImm(Uint32 imm) {
-}
-
-void TDis::PushTarget(Uint32 target) {
- new refto_t(target, memdata::getmem(pc, getmem()));
-}
-
-void TDis::PushSa(Uint32 sa) {
-}
-
-void TDis::PushOfB(int reg, Uint32 offset, int width) {
-}
-
-void TDis::PushOffset(Uint32 offset) {
- new refto_t(offset, memdata::getmem(pc, getmem()));
-}
-
-void TDis::PushFull(Uint32 full) {
- if ((full >= 0x80000000) && (full < (0x80000000 + PSXMEM)))
- new refto_t(full, memdata::getmem(pc, getmem()));
-}
-
-void TDis::Invalid() {
- invalid = true;
-}
-
-void TDis::Suspect() {
-}
-
-void TDis::Comment(const String & c) {
-}
-
-Disassembler::Disassembler(mipsmem * _mm) : mm(_mm), dis(new TDis(mm)), started(false), infunction(false) {
-}
-
-Disassembler::~Disassembler() {
- delete dis;
-}
-
-void Disassembler::crawl_code(Uint32 pc) {
- Uint32 branched, ipc;
-
- if (pc == 0xffffffff) {
- pc = mm->GetPC();
- }
-
- dis->bheap.push(pc);
-
- while (dis->bheap.size()) {
- branched = pc = dis->bheap.top();
- dis->bheap.pop();
- printm(M_STATUS, "Crawling to branch %8.8lX\n", pc);
- do {
- if (pc >= (0x80000000 + PSXMEM)) {
- dis->invalid = true;
- break;
- }
- if (mm->GetTag(pc, CODE) || mm->GetTag(pc, INVALID)) {
- pc += 4;
- continue;
- }
- mm->SetTag(pc, CODE, true);
-
- printm(M_STATUS, "Working at %8.8lX\n", pc);
- decode(dis, pc);
-
- pc += 4;
- dis->reset();
- } while (!mm->GetTag(pc, STOP) && !dis->invalid);
-
- if (dis->invalid) {
- for (ipc = branched; ipc <= pc; ipc += 4) {
- mm->SetTag(ipc, CODE, false);
- mm->SetTag(ipc, INVALID, true);
- }
- }
-
- if (dis->invalid && infunction) {
- }
- }
-}
-
-void Disassembler::mainloop(void) {
- Uint32 pc;
-
- infunction = false;
-
- // Crawl the start part.
- printm(M_STATUS, "Starting crawl at %8.8lX\n", mm->GetPC());
- if (!started)
- crawl_code();
-
- started = true;
-
- // Work out all the functions.
- printm(M_STATUS, "Crawling all detected functions\n");
- infunction = true;
- while (dis->fheap.size()) {
- pc = dis->fheap.top();
- dis->fheap.pop();
- printm(M_STATUS, "Crawling function %8.8lX\n", pc);
- if (mm->GetTag(pc, CODE))
- continue;
- crawl_code(pc);
- }
-
- // Complete functions and all the detected jumps.
- printm(M_STATUS, "Fixing all the remaining jumps\n");
-#if 0
- infunction = false;
- while (dis->jheap.size()) {
- pc = dis->jheap.top();
- dis->jheap.pop();
- if (mm->GetTag(pc, CODE))
- continue;
- crawl_code(pc);
- }
-#endif
-}
+/*
+ * PSX-Tools Bundle Pack
+ * Copyright (C) 2002-2003 Nicolas "Pixel" Noble
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/* $Id: mipsdis.cpp,v 1.3 2004-11-27 21:44:48 pixel Exp $ */
+
+#include "mipsdis.h"
+#include "mips.h"
+
+TDis::TDis(mipsmem * _m) : mm(_m) {
+ reset();
+}
+
+void TDis::reset() {
+ invalid = false;
+}
+
+mipsmem * TDis::getmem() {
+ return mm;
+}
+
+void TDis::add_branch(Uint32 target) {
+ bheap.push(target);
+}
+
+void TDis::add_jump(Uint32 target) {
+ jheap.push(target);
+}
+
+void TDis::add_function(Uint32 target) {
+ fheap.push(target);
+}
+
+void TDis::SetTag(Uint32 target, int tag, bool v) {
+ mm->SetTag(target, tag, v);
+}
+
+void TDis::Name(const String & name) {
+}
+
+void TDis::PushGPReg(int reg) {
+}
+
+void TDis::PushCPReg(int reg) {
+}
+
+void TDis::PushImm(Uint32 imm) {
+}
+
+void TDis::PushTarget(Uint32 target) {
+ new refto_t(target, memdata::getmem(pc, getmem()));
+}
+
+void TDis::PushSa(Uint32 sa) {
+}
+
+void TDis::PushOfB(int reg, Uint32 offset, int width) {
+}
+
+void TDis::PushOffset(Uint32 offset) {
+ new refto_t(offset, memdata::getmem(pc, getmem()));
+}
+
+void TDis::PushFull(Uint32 full) {
+ if ((full >= 0x80000000) && (full < (0x80000000 + PSXMEM)))
+ new refto_t(full, memdata::getmem(pc, getmem()));
+}
+
+void TDis::Invalid() {
+ invalid = true;
+}
+
+void TDis::Suspect() {
+}
+
+void TDis::Comment(const String & c) {
+}
+
+Disassembler::Disassembler(mipsmem * _mm) : mm(_mm), dis(new TDis(mm)), started(false), infunction(false) {
+}
+
+Disassembler::~Disassembler() {
+ delete dis;
+}
+
+void Disassembler::crawl_code(Uint32 pc) {
+ Uint32 branched, ipc;
+
+ if (pc == 0xffffffff) {
+ pc = mm->GetPC();
+ }
+
+ dis->bheap.push(pc);
+
+ while (dis->bheap.size()) {
+ branched = pc = dis->bheap.top();
+ dis->bheap.pop();
+ printm(M_STATUS, "Crawling to branch %8.8lX\n", pc);
+ do {
+ if (pc >= (0x80000000 + PSXMEM)) {
+ dis->invalid = true;
+ break;
+ }
+ if (mm->GetTag(pc, CODE) || mm->GetTag(pc, INVALID)) {
+ pc += 4;
+ continue;
+ }
+ mm->SetTag(pc, CODE, true);
+
+ printm(M_STATUS, "Working at %8.8lX\n", pc);
+ decode(dis, pc);
+
+ pc += 4;
+ dis->reset();
+ } while (!mm->GetTag(pc, STOP) && !dis->invalid);
+
+ if (dis->invalid) {
+ for (ipc = branched; ipc <= pc; ipc += 4) {
+ mm->SetTag(ipc, CODE, false);
+ mm->SetTag(ipc, INVALID, true);
+ }
+ }
+
+ if (dis->invalid && infunction) {
+ }
+ }
+}
+
+void Disassembler::mainloop(void) {
+ Uint32 pc;
+
+ infunction = false;
+
+ // Crawl the start part.
+ printm(M_STATUS, "Starting crawl at %8.8lX\n", mm->GetPC());
+ if (!started)
+ crawl_code();
+
+ started = true;
+
+ // Work out all the functions.
+ printm(M_STATUS, "Crawling all detected functions\n");
+ infunction = true;
+ while (dis->fheap.size()) {
+ pc = dis->fheap.top();
+ dis->fheap.pop();
+ printm(M_STATUS, "Crawling function %8.8lX\n", pc);
+ if (mm->GetTag(pc, CODE))
+ continue;
+ crawl_code(pc);
+ }
+
+ // Complete functions and all the detected jumps.
+ printm(M_STATUS, "Fixing all the remaining jumps\n");
+#if 0
+ infunction = false;
+ while (dis->jheap.size()) {
+ pc = dis->jheap.top();
+ dis->jheap.pop();
+ if (mm->GetTag(pc, CODE))
+ continue;
+ crawl_code(pc);
+ }
+#endif
+}
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