mirror of
https://github.com/gligli/nulldc-360.git
synced 2025-04-02 11:11:56 -04:00
85 lines
No EOL
2.1 KiB
C
85 lines
No EOL
2.1 KiB
C
/* radare - LGPL - Copyright 2009-2010 nibble<.ds@gmail.com> */
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#include "dis-asm.h"
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#include <xetypes.h>
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#include <alloca.h>
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#include <malloc.h>
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static unsigned long Offset = 0;
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static char *buf_global = NULL;
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static unsigned char bytes[4];
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static int ppc_buffer_read_memory (bfd_vma memaddr, bfd_byte *myaddr, unsigned int length, struct disassemble_info *info) {
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memcpy (myaddr, bytes, length);
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return 0;
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}
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static int symbol_at_address(bfd_vma addr, struct disassemble_info * info) {
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return 0;
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}
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static void memory_error_func(int status, bfd_vma memaddr, struct disassemble_info *info) {
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//--
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}
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static void print_address(bfd_vma address, struct disassemble_info *info) {
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char tmp[32];
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if (buf_global == NULL)
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return;
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sprintf(tmp, "0x%08llx", address);
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strcat(buf_global, tmp);
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}
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static int buf_fprintf(void *stream, const char *format, ...) {
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va_list ap;
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char *tmp;
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if (buf_global == NULL)
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return 0;
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va_start (ap, format);
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tmp = malloc (strlen (format)+strlen (buf_global)+2);
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sprintf (tmp, "%s%s", buf_global, format);
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vsprintf (buf_global, tmp, ap);
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va_end (ap);
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free(tmp);
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return 0;
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}
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int disassemble(u32 a, u32 op) {
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static struct disassemble_info disasm_obj;
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buf_global = calloc(1,1024);
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Offset = a;
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printf("%08x: %08x\t",a,op);
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op=__builtin_bswap32(op);
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memcpy (bytes, &op, 4); // TODO handle thumb
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/* prepare disassembler */
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memset (&disasm_obj, '\0', sizeof (struct disassemble_info));
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disasm_obj.disassembler_options="64";
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disasm_obj.buffer = bytes;
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disasm_obj.read_memory_func = &ppc_buffer_read_memory;
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disasm_obj.symbol_at_address_func = &symbol_at_address;
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disasm_obj.memory_error_func = &memory_error_func;
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disasm_obj.print_address_func = &print_address;
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disasm_obj.endian = BFD_ENDIAN_UNKNOWN;
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disasm_obj.fprintf_func = &buf_fprintf;
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disasm_obj.stream = stdout;
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int inst_len = print_insn_little_powerpc((bfd_vma)Offset, &disasm_obj);
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if (inst_len == -1)
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strncpy(buf_global, " (data)", 1024);
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printf("%s\n",buf_global);
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free(buf_global);
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return inst_len;
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} |