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105 lines
2.4 KiB
C
105 lines
2.4 KiB
C
/* radare - GPL3 - Copyright 2009 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 <r_types.h>
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#include <r_lib.h>
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#include <r_util.h>
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#include <r_asm.h>
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#include "dis-asm.h"
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static int sparc_mode = 0;
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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 sparc_buffer_read_memory (bfd_vma memaddr, bfd_byte *myaddr, unsigned int length, struct disassemble_info *info)
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{
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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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{
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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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}
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static void print_address(bfd_vma address, struct disassemble_info *info)
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{
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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%08"PFMT64x"", (ut64)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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{
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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 = alloca(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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return 0;
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}
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static int disassemble(struct r_asm_t *a, struct r_asm_aop_t *aop, ut8 *buf, ut64 len)
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{
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static struct disassemble_info disasm_obj;
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buf_global = aop->buf_asm;
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Offset = a->pc;
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memcpy(bytes, buf, 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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sparc_mode = a->bits;
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disasm_obj.buffer = bytes;
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disasm_obj.read_memory_func = &sparc_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 = !a->big_endian;
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disasm_obj.fprintf_func = &buf_fprintf;
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disasm_obj.stream = stdout;
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aop->buf_asm[0]='\0';
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aop->inst_len = print_insn_sparc((bfd_vma)Offset, &disasm_obj);
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if (aop->inst_len == -1)
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strncpy(aop->buf_asm, " (data)", R_ASM_BUFSIZE);
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return aop->inst_len;
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}
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struct r_asm_handle_t r_asm_plugin_sparc = {
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.name = "sparc",
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.arch = "sparc",
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.bits = (int[]){ 32, 0 },
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.desc = "SPARC disassembly plugin",
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.init = NULL,
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.fini = NULL,
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.disassemble = &disassemble,
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.assemble = NULL
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};
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#ifndef CORELIB
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struct r_lib_struct_t radare_plugin = {
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.type = R_LIB_TYPE_ASM,
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.data = &r_asm_plugin_sparc
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};
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#endif
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