M68KDisassembler.h File Reference

#include "../../MCInst.h"

Go to the source code of this file.

Classes
struct	m68k_info

Typedefs
typedef struct m68k_info	m68k_info

Functions
bool	M68K_getInstruction (csh ud, const uint8_t *code, size_t code_len, MCInst *instr, uint16_t *size, uint64_t address, void *info)

Typedef Documentation

m68k_info

typedef struct m68k_info m68k_info

Function Documentation

M68K_getInstruction()

bool M68K_getInstruction	(	csh	ud,
		const uint8_t *	code,
		size_t	code_len,
		MCInst *	instr,
		uint16_t *	size,
		uint64_t	address,
		void *	info
	)

Definition at line 3601 of file M68KDisassembler.c.

{
#ifdef M68K_DEBUG
    SStream ss;
#endif
    int s;
    int cpu_type = M68K_CPU_TYPE_68000;
    cs_struct* handle = instr->csh;
    m68k_info *info = (m68k_info*)handle->printer_info;
 
    // code len has to be at least 2 bytes to be valid m68k
 
    if (code_len < 2) {
        *size = 0;
        return false;
    }
 
    if (instr->flat_insn->detail) {
        memset(instr->flat_insn->detail, 0, offsetof(cs_detail, m68k)+sizeof(cs_m68k));
    }
 
    info->groups_count = 0;
    info->regs_read_count = 0;
    info->regs_write_count = 0;
    info->code = code;
    info->code_len = code_len;
    info->baseAddress = address;
 
    if (handle->mode & CS_MODE_M68K_010)
        cpu_type = M68K_CPU_TYPE_68010;
    if (handle->mode & CS_MODE_M68K_020)
        cpu_type = M68K_CPU_TYPE_68020;
    if (handle->mode & CS_MODE_M68K_030)
        cpu_type = M68K_CPU_TYPE_68030;
    if (handle->mode & CS_MODE_M68K_040)
        cpu_type = M68K_CPU_TYPE_68040;
    if (handle->mode & CS_MODE_M68K_060)
        cpu_type = M68K_CPU_TYPE_68040; // 060 = 040 for now
 
    m68k_setup_internals(info, instr, (unsigned int)address, cpu_type);
    s = m68k_disassemble(info, address);
 
    if (s == 0) {
        *size = 2;
        return false;
    }
 
    build_regs_read_write_counts(info);
 
#ifdef M68K_DEBUG
    SStream_Init(&ss);
    M68K_printInst(instr, &ss, info);
#endif
 
    // Make sure we always stay within range
    if (s > (int)code_len)
        *size = (uint16_t)code_len;
    else
        *size = (uint16_t)s;
 
    return true;
}

References build_regs_read_write_counts(), code, cpu_type, CS_MODE_M68K_010, CS_MODE_M68K_020, CS_MODE_M68K_030, CS_MODE_M68K_040, CS_MODE_M68K_060, MCInst::csh, MCInst::flat_insn, handle, if(), info(), M68K_CPU_TYPE_68000, M68K_CPU_TYPE_68010, M68K_CPU_TYPE_68020, M68K_CPU_TYPE_68030, M68K_CPU_TYPE_68040, m68k_disassemble(), M68K_printInst(), m68k_setup_internals(), memset(), offsetof, s, and SStream_Init().