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/****************************************************************/
/* mdso: midipix dso scavenger */
/* Copyright (C) 2015--2021 SysDeer Technologies, LLC */
/* Released under GPLv2 and GPLv3; see COPYING.MDSO. */
/****************************************************************/
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <mdso/mdso.h>
#include "mdso_driver_impl.h"
#include "mdso_errinfo_impl.h"
static void mdso_init_asmname(char * buf, const char * fmt, const char * str)
{
char hexstr[24];
long long unsigned int crc64;
if (strlen(str) + strlen(fmt) > (PATH_MAX - 1)) {
crc64 = mdso_crc64_mbstr((const unsigned char *)str,0);
sprintf(hexstr,"%llx",crc64);
sprintf(buf,fmt,hexstr);
} else
sprintf(buf,fmt,str);
}
int mdso_create_implib_sources(const struct mdso_driver_ctx * dctx)
{
struct mdso_unit_ctx * uctx;
const char ** unit;
int fdout;
char asmname[PATH_MAX];
const char * const * sym;
int ret;
/* symentry */
for (unit=dctx->units; *unit; unit++) {
if (mdso_get_unit_ctx(dctx,*unit,&uctx))
return MDSO_NESTED_ERROR(dctx);
for (sym=uctx->syms; *sym; sym++) {
mdso_init_asmname(asmname,".%s_symentry.s",*sym);
if ((fdout = mdso_create_asmsrc(dctx,asmname)) < 0)
return MDSO_NESTED_ERROR(dctx);
ret = mdso_asmgen_symentry(dctx,*sym,fdout);
if (fdout != mdso_driver_fdout(dctx))
close(fdout);
if (ret < 0)
return MDSO_NESTED_ERROR(dctx);
}
mdso_free_unit_ctx(uctx);
}
/* dsometa */
mdso_init_asmname(asmname,".dsometa_%s.s",dctx->cctx->libname);
if ((fdout = mdso_create_asmsrc(dctx,asmname)) < 0)
return MDSO_NESTED_ERROR(dctx);
ret = mdso_asmgen_dsometa(dctx,fdout);
if (fdout != mdso_driver_fdout(dctx))
close(fdout);
return (ret < 0) ? MDSO_NESTED_ERROR(dctx) : 0;
}
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