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/****************************************************************/
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/* mdso: midipix dso scavenger */
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/* Copyright (C) 2015--2016 Z. Gilboa */
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/* Released under GPLv2 and GPLv3; see COPYING.MDSO. */
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/****************************************************************/
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#include <stdint.h>
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#include <stdio.h>
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#include <mdso/mdso.h>
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#include <mdso/mdso_specs.h>
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#include "mdso_errinfo_impl.h"
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static const char * const asm_hdr_lines[] = {
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"\t.file \"__%s_dso_meta.s\"\n",
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"\t.section " MDSO_META_SECTION ",\"r\"\n",
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"\t.globl .__dsometa_%s\n",
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0
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};
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static const char * const asm_meta_lines[] = {
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"\t.long\t0 # priority\n",
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"\t.long\t0 # nsyms\n",
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"\t.long\t0 # padding\n",
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"\t%s\t0 # hashtbl\n",
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"\t%s\t0 # symtbl\n",
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"\t%s\t0 # fncarg\n",
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"\t%s\t0 # fncargarr\n",
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"\t%s\t0 # fnr1\n",
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"\t%s\t0 # fnr2\n",
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0
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};
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int mdso_generate_dsometa(
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const struct mdso_driver_ctx * dctx,
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FILE * fout)
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{
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const char * const * line;
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const char * alignstr;
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const char * ptrsize;
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if (dctx->cctx->drvflags & MDSO_DRIVER_QUAD_PTR) {
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alignstr = "\t.balign 16\n\n";
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ptrsize = ".quad";
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} else {
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alignstr = "\t.balign 8\n\n";
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ptrsize = ".long";
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}
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for (line=asm_hdr_lines; *line; line++)
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if ((fprintf(fout,*line,dctx->cctx->libname)) < 0)
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return MDSO_FILE_ERROR(dctx);
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if ((fputs(alignstr,fout)) < 0)
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return MDSO_FILE_ERROR(dctx);
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if ((fprintf(fout,".__dsometa_%s:\n",dctx->cctx->libname)) < 0)
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return MDSO_FILE_ERROR(dctx);
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if ((fprintf(fout,"\t%s\t%d\t# base\n",ptrsize,0)) < 0)
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return MDSO_FILE_ERROR(dctx);
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if ((fprintf(fout,"\t%s\t%u\t# flags\n",".long",dctx->cctx->dsoflags)) < 0)
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return MDSO_FILE_ERROR(dctx);
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for (line=asm_meta_lines; *line; line++)
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if ((fprintf(fout,*line,ptrsize)) < 0)
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return MDSO_FILE_ERROR(dctx);
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return 0;
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}
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