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Man Pages


Manual Reference Pages  -  X86_INIT (3)

NAME

x86_init, x86_cleanup - initialize and cleanup libdisasm

CONTENTS

SYNOPSIS

#include <libdis.h>

typedef void (*DISASM_REPORTER)( enum x86_report_codes code,
void *
data, void * arg );

int x86_init( enum x86_options options, DISASM_REPORTER reporter,
void *
arg);

int x86_cleanup(void);

DESCRIPTION

enum x86_options {
        opt_none= 0,
        opt_ignore_nulls=1,     /* ignore sequences of > 4 NULL bytes */
        opt_16_bit=2,           /* 16-bit/DOS disassembly */
        opt_unknown
};

enum x86_report_codes {
report_disasm_bounds,
report_insn_bounds,
report_invalid_insn,
report_unknown
};

EXAMPLES

The following provides a skeleton for initializing and terminating
libdisasm:

void reporter( enum x86_report_codes code, void *data, void *arg ) {
char * str = NULL;
FILE *stream = (FILE *) arg;
if (! stream ) stream = stderr;

/* here would could examine the error and do something useful;
* instead we just print that an error occurred */
switch ( code ) {
case report_disasm_bounds:
str = "Attempt to disassemble RVA "
"beyond end of buffer";
break;
case report_insn_bounds:
str = "Instruction at RVA extends "
"beyond buffer";
break;
case report_invalid_insn:
str = "Invalid opcode at RVA";
break;
case report_unknown:
str = "Unknown Error";
break;
}

fprintf(stream, "ERROR '%s:' %p0, str, data);
}

int main( int argc, char **argv ) {
x86_init(opt_none, reporter, stderr);

/* disassembler code goes here */

x86_cleanup();
}

SEE ALSO

libdisasm(7), x86_disasm(3), x86_format_insn(3), x86dis(1)

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mammon_ X86_INIT (3) 0.21

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