/****************************************************************/

/*  mdso: midipix dso scavenger                                 */

/*  Copyright (C) 2015--2017  Z. Gilboa                         */

/*  Released under GPLv2 and GPLv3; see COPYING.MDSO.           */

/****************************************************************/

#include <stdint.h>

#include <stdio.h>

#include <string.h>

#include <mdso/mdso.h>

#include "mdso_errinfo_impl.h"

static void mdso_init_objname(char * buf, const char * fmt, const char * str)

{

	char			hexstr[24];

	long long unsigned int	crc64;

	if (strlen(str) + strlen(fmt) > (PATH_MAX - 1)) {

		crc64 = mdso_crc64_mbstr((const unsigned char *)str,0);

		sprintf(hexstr,"%llx",crc64);

		sprintf(buf,fmt,hexstr);

	} else

		sprintf(buf,fmt,str);

}

static void mdso_init_object(struct mdso_object * obj, const char * objname)

{

	memset(obj,0,sizeof(*obj));

	obj->name = objname;

}

int  mdso_create_implib_objects(const struct mdso_driver_ctx * dctx)

{

	const char **		unit;

	struct mdso_unit_ctx *	uctx;

	struct mdso_object	obj;

	const char * const *	sym;

	char			objname[PATH_MAX];

	/* symentry, symfn */

	for (unit=dctx->units; *unit; unit++) {

		if (mdso_get_unit_ctx(dctx,*unit,&uctx))

			return MDSO_NESTED_ERROR(dctx);

		for (sym=uctx->syms; *sym; sym++) {

			mdso_init_objname(objname,".%s_symentry.o",*sym);

			mdso_init_object(&obj,objname);

			if (mdso_objgen_symentry(dctx,*sym,&obj) < 0)

				return MDSO_NESTED_ERROR(dctx);

			if (uctx->stype[sym-uctx->syms] == MDSO_SYMBOL_TYPE_CODE) {

				mdso_init_objname(objname,".%s_symfn.o",*sym);

				mdso_init_object(&obj,objname);

				if (mdso_objgen_symfn(dctx,*sym,&obj) < 0)

					return MDSO_NESTED_ERROR(dctx);

			}

		}

		mdso_free_unit_ctx(uctx);

	}

	/* dsometa */

	mdso_init_objname(objname,".dsometa_%s.o",dctx->cctx->libname);

	mdso_init_object(&obj,objname);

	if (mdso_objgen_dsometa(dctx,&obj) < 0)

		return MDSO_NESTED_ERROR(dctx);

	return 0;

}