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/****************************************************************/
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/* mdso: midipix dso scavenger */
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/* Copyright (C) 2015--2024 SysDeer Technologies, LLC */
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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_dprintf_impl.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 \".dsometa_%s.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\t\t# priority\n",
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"\t.long\t0\t\t# nsyms\n",
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"\t.long\t0\t\t# padding\n",
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"\t%s\t0\t\t# hashtbl\n",
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"\t%s\t0\t\t# symtbl\n",
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"\t%s\t0\t\t# fncarg\n",
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"\t%s\t0\t\t# fncargarr\n",
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"\t%s\t0\t\t# fnr1\n",
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"\t%s\t0\t\t# fnr2\n",
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0
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};
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static const char * const asm_libname_fmt =
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"\n\n"
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"\t.section " MDSO_STRS_SECTION ",\"r0\"\n\n"
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".libname:\n"
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"\t.ascii\t\"%s\\0\"\n\n";
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int mdso_asmgen_dsometa(
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const struct mdso_driver_ctx * dctx,
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int fdout)
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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 ((mdso_dprintf(fdout,*line,dctx->cctx->libname)) < 0)
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return MDSO_FILE_ERROR(dctx);
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if (mdso_dprintf(fdout,alignstr) < 0)
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return MDSO_FILE_ERROR(dctx);
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if ((mdso_dprintf(fdout,".dsometa_%s:\n",dctx->cctx->libname)) < 0)
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return MDSO_FILE_ERROR(dctx);
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if ((mdso_dprintf(fdout,"\t%s\t%d\t\t# base\n",ptrsize,0)) < 0)
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return MDSO_FILE_ERROR(dctx);
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if ((mdso_dprintf(fdout,"\t%s\t%s\t# name\n",ptrsize,".libname")) < 0)
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return MDSO_FILE_ERROR(dctx);
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if ((mdso_dprintf(fdout,"\t%s\t%u\t\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 ((mdso_dprintf(fdout,*line,ptrsize)) < 0)
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return MDSO_FILE_ERROR(dctx);
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if (mdso_dprintf(fdout,asm_libname_fmt,dctx->cctx->libname) < 0)
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return MDSO_FILE_ERROR(dctx);
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return 0;
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}
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