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/****************************************************************/
/* mdso: midipix dso scavenger */
/* Copyright (C) 2015--2024 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_hexfmt_impl.h"
#include "mdso_errinfo_impl.h"
static void mdso_init_symentry(char * ch, const char * str)
{
uint64_t crc64;
unsigned slen = 11;
ch[0] = '.';
ch++;
if (strlen(str) > (PATH_MAX - slen - 1)) {
crc64 = mdso_crc64_mbstr((unsigned char *)str,0);
mdso_write_hex_64(ch,crc64);
ch = &ch[16];
} else {
for (; *str; )
*ch++ = *str++;
}
memcpy(ch,"_symentry.s",slen);
ch[slen] = '\0';
}
static void mdso_init_dsometa(char * ch, const char * str)
{
uint64_t crc64;
unsigned slen = 9;
memcpy(ch,".dsometa_",slen);
ch = &ch[slen];
if (strlen(str) > (PATH_MAX - slen - 1)) {
crc64 = mdso_crc64_mbstr((unsigned char *)str,0);
mdso_write_hex_64(ch,crc64);
ch = &ch[16];
} else {
for (; *str; )
*ch++ = *str++;
}
ch[0] = '.';
ch[1] = 's';
ch[2] = '\0';
}
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_symentry(asmname,*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_dsometa(asmname,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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