utils.h File Reference

#include <stdint.h>
#include <stdio.h>
#include "libqnxr.h"
#include "gdb_signals.h"

Go to the source code of this file.

Macros
#define	LONGEST   st64
#define	ULONGEST   ut64
#define	ARRAY_SIZE(a)   (sizeof(a) / sizeof((a)[0]))
#define	EXTRACT_SIGNED_INTEGER(addr, len)    extract_signed_integer((const ut8 *)addr, len, 0)
#define	EXTRACT_UNSIGNED_INTEGER(addr, len)    extract_unsigned_integer((const ut8 *)addr, len, 0)

Functions
int	errnoconvert (int x)
enum target_signal	target_signal_from_nto (int sig)
LONGEST	extract_signed_integer (const ut8 *addr, int len, int be)
ULONGEST	extract_unsigned_integer (const ut8 *addr, int len, int be)
int	i386nto_regset_id (int regno)
int	i386nto_reg_offset (int regnum)
int	i386nto_register_area (int regno, int regset, unsigned *off)
ptid_t	ptid_build (st32 pid, st64 tid)

Macro Definition Documentation

ARRAY_SIZE

#define ARRAY_SIZE

(

a

)

(sizeof(a) / sizeof((a)[0]))

Definition at line 17 of file utils.h.

EXTRACT_SIGNED_INTEGER

#define EXTRACT_SIGNED_INTEGER	(		addr,
			len
	)		extract_signed_integer((const ut8 *)addr, len, 0)

Definition at line 20 of file utils.h.

EXTRACT_UNSIGNED_INTEGER

#define EXTRACT_UNSIGNED_INTEGER	(		addr,
			len
	)		extract_unsigned_integer((const ut8 *)addr, len, 0)

Definition at line 22 of file utils.h.

LONGEST

#define LONGEST   st64

Definition at line 13 of file utils.h.

ULONGEST

#define ULONGEST   ut64

Definition at line 14 of file utils.h.

Function Documentation

errnoconvert()

int errnoconvert

(

int

x

)

Definition at line 131 of file utils.c.

                        {
    return x;
}

References x.

Referenced by nto_send().

extract_signed_integer()

LONGEST extract_signed_integer	(	const ut8 *	addr,
		int	len,
		int	be
	)

Definition at line 137 of file utils.c.

                                                         {
    LONGEST retval;
    const ut8 *p;
    const ut8 *startaddr = addr;
    const ut8 *endaddr = startaddr + len;
 
    if (len > (int)sizeof(LONGEST))
        eprintf(
            "This operation is not available on integers of more than %d byte(s)\n",
            (int)sizeof(LONGEST));
 
    /* Start at the most significant end of the integer, and work towards
 the least significant.  */
    if (be) {
        p = startaddr;
        /* Do the sign extension once at the start.  */
        retval = ((LONGEST)*p ^ 0x80) - 0x80;
        for (++p; p < endaddr; p++)
            retval = (retval << 8) | *p;
    } else {
        p = endaddr - 1;
        /* Do the sign extension once at the start.  */
        retval = ((LONGEST)*p ^ 0x80) - 0x80;
        for (--p; p >= startaddr; --p)
            retval = (retval << 8) | *p;
    }
    return retval;
}

References addr, eprintf, len, LONGEST, and p.

extract_unsigned_integer()

ULONGEST extract_unsigned_integer	(	const ut8 *	addr,
		int	len,
		int	be
	)

Definition at line 167 of file utils.c.

                                                           {
    ULONGEST retval;
    const ut8 *p;
    const ut8 *startaddr = addr;
    const ut8 *endaddr = startaddr + len;
 
    if (len > (int)sizeof(LONGEST))
        eprintf(
            "This operation is not available on integers of more than %d byte(s)\n",
            (int)sizeof(LONGEST));
 
    /* Start at the most significant end of the integer, and work towards
 the least significant.  */
    retval = 0;
    if (be) {
        for (p = startaddr; p < endaddr; ++p)
            retval = (retval << 8) | *p;
    } else {
        for (p = endaddr - 1; p >= startaddr; --p)
            retval = (retval << 8) | *p;
    }
    return retval;
}

References addr, eprintf, len, LONGEST, p, and ULONGEST.

i386nto_reg_offset()

int i386nto_reg_offset

(

int

regnum

)

Definition at line 204 of file utils.c.

                                   {
    if (regnum >= 0 && regnum < ARRAY_SIZE(i386nto_gregset_reg_offset))
        return i386nto_gregset_reg_offset[regnum];
 
    return -1;
}

References ARRAY_SIZE, and i386nto_gregset_reg_offset.

Referenced by i386nto_register_area().

i386nto_register_area()

int i386nto_register_area	(	int	regno,
		int	regset,
		unsigned *	off
	)

Referenced by qnxr_read_registers(), and qnxr_write_register().

i386nto_regset_id()

int i386nto_regset_id

(

int

regno

)

Definition at line 191 of file utils.c.

                                 {
    if (regno == -1)
        return NTO_REG_END;
    if (regno < I386_NUM_GREGS)
        return NTO_REG_GENERAL;
    if (regno < I386_NUM_GREGS + I386_NUM_FREGS)
        return NTO_REG_FLOAT;
    if (regno < I386_SSE_NUM_REGS)
        return NTO_REG_FLOAT; /* We store xmm registers in fxsave_area.  */
 
    return -1;
}

References I386_NUM_FREGS, I386_NUM_GREGS, I386_SSE_NUM_REGS, NTO_REG_END, NTO_REG_FLOAT, and NTO_REG_GENERAL.

Referenced by qnxr_read_registers(), and qnxr_write_register().

ptid_build()

ptid_t ptid_build	(	st32	pid,
		st64	tid
	)

Definition at line 301 of file utils.c.

                                      {
    ptid_t ptid;
    ptid.pid = pid;
    ptid.tid = tid;
 
    return ptid;
}

References pid, ptid_t::pid, and ptid_t::tid.

Referenced by nto_parse_notify(), and qnxr_attach().

target_signal_from_nto()

enum target_signal target_signal_from_nto

(

int

sig

)

Definition at line 585 of file sigutil.c.

                                {
    int i;
    if (sig == 0)
        return 0;
 
    for (i = 0; i != ARRAY_SIZE(sig_map); i++) {
        if (sig_map[i].nto_sig == sig)
            return sig_map[i].gdb_sig;
    }
 
    if (sig >= NTO_SIGRTMIN && sig <= NTO_SIGRTMAX)
        return TARGET_SIGNAL_REALTIME_41 + sig - NTO_SIGRTMIN;
    return target_signal_from_host(sig);
}

References do_target_signal_to_host().