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

/*  perk: PE Resource Kit                                      */

/*  Copyright (C) 2015--2016  Z. Gilboa                        */

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

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

#include <stdint.h>

#include <stdlib.h>

#include <stdio.h>

#include <string.h>

#include <errno.h>

#include <perk/perk.h>

#include <perk/perk_output.h>

#include "perk_output_impl.h"

#include "perk_errinfo_impl.h"

static int pretty_header(const struct pe_common_ctx * cctx, FILE * fout)

{

	if (cctx->fmtflags & PERK_PRETTY_YAML)

		return fputs("exports:\n",fout);

	else if (cctx->fmtflags & PERK_PRETTY_DLLTOOL)

		return fputs("EXPORTS\n",fout);

	return 0;

}

static int pretty_export_item(const struct pe_common_ctx * cctx, const char * name, FILE * fout)

{

	if (cctx->fmtflags & PERK_PRETTY_YAML)

		return fprintf(fout,"- %s\n",name);

	else

		return fprintf(fout,"%s\n",name);

}

int pe_output_export_symbols(

	const struct pe_driver_ctx *	dctx,

	const struct pe_image_meta *	m,

	FILE *				fout)

{

	FILE *				ftmp;

	uint32_t 			offset;

	uint32_t *			symrva;

	unsigned			i;

	const struct pe_common_ctx *	cctx = dctx->cctx;

	if (!m->hedata)

		return 0;

	if (!(fout = pe_output_prolog(cctx,fout,&ftmp)))

		return PERK_SYSTEM_ERROR(dctx);

	if ((pretty_header(cctx,fout)) < 0)

		return pe_output_epilog(

			PERK_FILE_ERROR(dctx),

			ftmp);

	offset	= m->hedata->virtual_addr - m->hedata->ptr_to_raw_data;

	symrva	= (uint32_t *)((uintptr_t)m->image.addr + (m->edata.name_ptr_rva - offset));

	for (i=0; i<m->edata.num_of_name_ptrs; i++)

		if ((pretty_export_item(

				cctx,

				(char *)((uintptr_t)m->image.addr + symrva[i] - offset),

				fout)) < 0)

			return pe_output_epilog(

				PERK_FILE_ERROR(dctx),

				ftmp);

	return pe_output_epilog(0,ftmp);

}