JavaScriptCore-1218.tar.gz

[apple/javascriptcore.git] / disassembler / udis86 / udis86.c

diff --git a/disassembler/udis86/udis86.c b/disassembler/udis86/udis86.c
new file mode 100644 (file)
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+++ b/disassembler/udis86/udis86.c
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+/* udis86 - libudis86/udis86.c
+ *
+ * Copyright (c) 2002-2009 Vivek Thampi
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met:
+ * 
+ *     * Redistributions of source code must retain the above copyright notice, 
+ *       this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright notice, 
+ *       this list of conditions and the following disclaimer in the documentation 
+ *       and/or other materials provided with the distribution.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR 
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+
+#if USE(UDIS86)
+
+#include "udis86_input.h"
+#include "udis86_extern.h"
+
+#ifndef __UD_STANDALONE__
+# include <stdlib.h>
+# include <string.h>
+#endif /* __UD_STANDALONE__ */
+
+/* =============================================================================
+ * ud_init() - Initializes ud_t object.
+ * =============================================================================
+ */
+extern void 
+ud_init(struct ud* u)
+{
+  memset((void*)u, 0, sizeof(struct ud));
+  ud_set_mode(u, 16);
+  u->mnemonic = UD_Iinvalid;
+  ud_set_pc(u, 0);
+#ifndef __UD_STANDALONE__
+  ud_set_input_file(u, stdin);
+#endif /* __UD_STANDALONE__ */
+}
+
+/* =============================================================================
+ * ud_disassemble() - disassembles one instruction and returns the number of 
+ * bytes disassembled. A zero means end of disassembly.
+ * =============================================================================
+ */
+extern unsigned int
+ud_disassemble(struct ud* u)
+{
+  if (ud_input_end(u))
+       return 0;
+
+ 
+  u->insn_buffer[0] = u->insn_hexcode[0] = 0;
+
+ 
+  if (ud_decode(u) == 0)
+       return 0;
+  if (u->translator)
+       u->translator(u);
+  return ud_insn_len(u);
+}
+
+/* =============================================================================
+ * ud_set_mode() - Set Disassemly Mode.
+ * =============================================================================
+ */
+extern void 
+ud_set_mode(struct ud* u, uint8_t m)
+{
+  switch(m) {
+       case 16:
+       case 32:
+       case 64: u->dis_mode = m ; return;
+       default: u->dis_mode = 16; return;
+  }
+}
+
+/* =============================================================================
+ * ud_set_vendor() - Set vendor.
+ * =============================================================================
+ */
+extern void 
+ud_set_vendor(struct ud* u, unsigned v)
+{
+  switch(v) {
+       case UD_VENDOR_INTEL:
+               u->vendor = v;
+               break;
+       case UD_VENDOR_ANY:
+               u->vendor = v;
+               break;
+       default:
+               u->vendor = UD_VENDOR_AMD;
+  }
+}
+
+/* =============================================================================
+ * ud_set_pc() - Sets code origin. 
+ * =============================================================================
+ */
+extern void 
+ud_set_pc(struct ud* u, uint64_t o)
+{
+  u->pc = o;
+}
+
+/* =============================================================================
+ * ud_set_syntax() - Sets the output syntax.
+ * =============================================================================
+ */
+extern void 
+ud_set_syntax(struct ud* u, void (*t)(struct ud*))
+{
+  u->translator = t;
+}
+
+/* =============================================================================
+ * ud_insn() - returns the disassembled instruction
+ * =============================================================================
+ */
+extern char* 
+ud_insn_asm(struct ud* u) 
+{
+  return u->insn_buffer;
+}
+
+/* =============================================================================
+ * ud_insn_offset() - Returns the offset.
+ * =============================================================================
+ */
+extern uint64_t
+ud_insn_off(struct ud* u) 
+{
+  return u->insn_offset;
+}
+
+
+/* =============================================================================
+ * ud_insn_hex() - Returns hex form of disassembled instruction.
+ * =============================================================================
+ */
+extern char* 
+ud_insn_hex(struct ud* u) 
+{
+  return u->insn_hexcode;
+}
+
+/* =============================================================================
+ * ud_insn_ptr() - Returns code disassembled.
+ * =============================================================================
+ */
+extern uint8_t* 
+ud_insn_ptr(struct ud* u) 
+{
+  return u->inp_sess;
+}
+
+/* =============================================================================
+ * ud_insn_len() - Returns the count of bytes disassembled.
+ * =============================================================================
+ */
+extern unsigned int 
+ud_insn_len(struct ud* u) 
+{
+  return u->inp_ctr;
+}
+
+#endif // USE(UDIS86)