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/****************************************************************/
/* 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 <mdso/mdso.h>
#include <mdso/mdso_specs.h>
#include "mdso_errinfo_impl.h"
static const char * const asm_lines[] = {
"\t.section " MDSO_STRS_SECTION ",\"r0\"\n\n",
".symstr:\n",
"\t.ascii\t\"%s\\0\"\n\n"
"\t.section " MDSO_SYMS_SECTION ",\"r\"\n",
0
};
int mdso_asmgen_symentry(
const struct mdso_driver_ctx * dctx,
const char * sym,
FILE * fout)
{
const char * const * line;
const char * alignstr;
const char * ptrsize;
const char * uscore;
if (fprintf(fout,"\t.file \"__%s_sym_entry.s\"\n",sym) < 0)
return MDSO_FILE_ERROR(dctx);
if (dctx->cctx->drvflags & MDSO_DRIVER_QUAD_PTR) {
alignstr = "\t.balign 16\n\n";
ptrsize = ".quad";
uscore = "";
} else {
alignstr = "\t.balign 8\n\n";
ptrsize = ".long";
uscore = "_";
}
for (line=asm_lines; *line; line++)
if ((fprintf(fout,*line,sym)) < 0)
return MDSO_FILE_ERROR(dctx);
if (fprintf(fout,"\t.globl __imp_%s%s\n",uscore,sym) < 0)
return MDSO_FILE_ERROR(dctx);
if ((fputs(alignstr,fout)) < 0)
return MDSO_FILE_ERROR(dctx);
if ((fprintf(fout,"__imp_%s%s:\n",uscore,sym)) < 0)
return MDSO_FILE_ERROR(dctx);
if ((fprintf(fout,"\t%s\t.symstr\n",ptrsize)) < 0)
return MDSO_FILE_ERROR(dctx);
if ((fprintf(fout,"\t%s\t.dsometa_%s\n",ptrsize,dctx->cctx->libname)) < 0)
return MDSO_FILE_ERROR(dctx);
return 0;
}
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