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

/*  perk: PE Resource Kit                                      */

/*  Copyright (C) 2015--2021  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_driver_impl.h"

#include "perk_dprintf_impl.h"

#include "perk_errinfo_impl.h"

static int pretty_header(

	int				fdout,

	const struct pe_common_ctx *	cctx)

{

	if (cctx->fmtflags & PERK_PRETTY_YAML)

		return pe_dprintf(fdout,"exports:\n");

	else if (cctx->fmtflags & PERK_PRETTY_DLLTOOL)

		return pe_dprintf(fdout,"EXPORTS\n");

	return 0;

}

static int pretty_export_item(

	int				fdout,

	const struct pe_common_ctx *	cctx,

	const char *			name)

{

	if (cctx->fmtflags & PERK_PRETTY_YAML)

		return pe_dprintf(fdout,"- %s\n",name);

	else

		return pe_dprintf(fdout,"%s\n",name);

}

int pe_output_export_symbols(

	const struct pe_driver_ctx *	dctx,

	const struct pe_image_meta *	m)

{

	int				fdout;

	char *				mark;

	uint32_t 			offset;

	uint32_t *			symrva;

	unsigned			i;

	const struct pe_common_ctx *	cctx = dctx->cctx;

	fdout = pe_driver_fdout(dctx);

	if (!m->h_edata)

		return 0;

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

		return PERK_FILE_ERROR(dctx);

	mark	= m->r_image.map_addr;

	offset	= m->h_edata->sh_virtual_addr - m->h_edata->sh_ptr_to_raw_data;

	symrva	= (uint32_t *)(mark + m->m_edata.eh_name_ptr_rva - offset);

	for (i=0; i<m->m_edata.eh_num_of_name_ptrs; i++)

		if ((pretty_export_item(

				fdout,cctx,

				&mark[symrva[i] - offset])) < 0)

			return PERK_FILE_ERROR(dctx);

	return 0;

}