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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 <stdlib.h>
#include <stdio.h>
#include <stddef.h>
#include <unistd.h>
#include <fcntl.h>
#include <mdso/mdso.h>
#include "mdso_driver_impl.h"
#include "mdso_errinfo_impl.h"
static FILE * mdso_create_output(
const struct mdso_driver_ctx * dctx,
const char * name)
{
struct mdso_driver_ctx_impl * ictx;
uintptr_t addr;
int fdout;
FILE * fout;
addr = (uintptr_t)dctx - offsetof(struct mdso_driver_ctx_impl,ctx);
ictx = (struct mdso_driver_ctx_impl *)addr;
if ((fdout = openat(ictx->fddst,name,
O_CREAT|O_TRUNC|O_WRONLY|O_NOCTTY|O_NOFOLLOW,
S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH)) < 0) {
MDSO_SYSTEM_ERROR(dctx);
return 0;
}
if (!(fout = fdopen(fdout,"w"))) {
close(fdout);
MDSO_SYSTEM_ERROR(dctx);
return 0;
}
return fout;
}
FILE * mdso_create_asm_source(
const struct mdso_driver_ctx * dctx,
const char * asmname)
{
if (!dctx->cctx->dstdir)
return stdout;
return mdso_create_output(dctx,asmname);
}
FILE * mdso_create_object(
const struct mdso_driver_ctx * dctx,
const char * objname)
{
if (!dctx->cctx->dstdir) {
MDSO_CUSTOM_ERROR(dctx,MDSO_ERR_INVALID_DSTDIR);
return 0;
}
return mdso_create_output(dctx,objname);
}
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