Blame src/output/pe_output_export_symbols.c

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/***************************************************************/
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/*  perk: PE Resource Kit                                      */
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/*  Copyright (C) 2015--2016  Z. Gilboa                        */
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/*  Released under GPLv2 and GPLv3; see COPYING.PERK.          */
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/***************************************************************/
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#include <stdint.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <perk/perk.h>
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#include <perk/perk_output.h>
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#include "perk_output_impl.h"
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#include "perk_errinfo_impl.h"
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static int pretty_header(const struct pe_common_ctx * cctx, FILE * fout)
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{
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	if (cctx->fmtflags & PERK_PRETTY_YAML)
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		return fputs("exports:\n",fout);
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	else if (cctx->fmtflags & PERK_PRETTY_DLLTOOL)
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		return fputs("EXPORTS\n",fout);
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	return 0;
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}
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static int pretty_export_item(const struct pe_common_ctx * cctx, const char * name, FILE * fout)
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{
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	if (cctx->fmtflags & PERK_PRETTY_YAML)
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		return fprintf(fout,"- %s\n",name);
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	else
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		return fprintf(fout,"%s\n",name);
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}
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int pe_output_export_symbols(
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	const struct pe_driver_ctx *	dctx,
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	const struct pe_image_meta *	m,
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	FILE *				fout)
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{
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	FILE *				ftmp;
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	uint32_t 			offset;
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	uint32_t *			symrva;
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	unsigned			i;
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	const struct pe_common_ctx *	cctx = dctx->cctx;
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	if (!m->hedata)
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		return 0;
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	if (!(fout = pe_output_prolog(cctx,fout,&ftmp)))
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		return PERK_SYSTEM_ERROR(dctx);
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	if ((pretty_header(cctx,fout)) < 0)
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		return pe_output_epilog(
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			PERK_FILE_ERROR(dctx),
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			ftmp);
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	offset	= m->hedata->virtual_addr - m->hedata->ptr_to_raw_data;
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	symrva	= (uint32_t *)((uintptr_t)m->image.addr + (m->edata.name_ptr_rva - offset));
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	for (i=0; i<m->edata.num_of_name_ptrs; i++)
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		if ((pretty_export_item(
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				cctx,
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				(char *)((uintptr_t)m->image.addr + symrva[i] - offset),
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				fout)) < 0)
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			return pe_output_epilog(
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				PERK_FILE_ERROR(dctx),
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				ftmp);
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	return pe_output_epilog(0,ftmp);
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}