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/*******************************************************************/
/* slibtool: a strong libtool implementation, written in C */
/* Copyright (C) 2016--2024 SysDeer Technologies, LLC */
/* Released under the Standard MIT License; see COPYING.SLIBTOOL. */
/*******************************************************************/
#include <time.h>
#include <locale.h>
#include <regex.h>
#include <inttypes.h>
#include <slibtool/slibtool.h>
#include <slibtool/slibtool_output.h>
#include "slibtool_driver_impl.h"
#include "slibtool_dprintf_impl.h"
#include "slibtool_errinfo_impl.h"
#include "slibtool_pecoff_impl.h"
#include "slibtool_tmpfile_impl.h"
#include "slibtool_ar_impl.h"
#define SLBT_PRETTY_FLAGS (SLBT_PRETTY_YAML \
| SLBT_PRETTY_POSIX \
| SLBT_PRETTY_HEXDATA)
static int slbt_au_output_symbols_posix(
const struct slbt_driver_ctx * dctx,
struct slbt_archive_meta_impl * mctx,
int fdout)
{
bool fsort;
bool fcoff;
const char * dot;
const char * mark;
const char * regex;
const char ** symv;
const char ** symstrv;
regex_t regctx;
regmatch_t pmatch[2] = {{0,0},{0,0}};
char strbuf[4096];
fsort = !(dctx->cctx->fmtflags & SLBT_OUTPUT_ARCHIVE_NOSORT);
fcoff = (mctx->ofmtattr & AR_OBJECT_ATTR_COFF);
if (fsort && !mctx->mapstrv)
if (slbt_update_mapstrv(dctx,mctx) < 0)
return SLBT_NESTED_ERROR(dctx);
if ((regex = dctx->cctx->regex))
if (regcomp(®ctx,regex,REG_EXTENDED|REG_NEWLINE))
return SLBT_CUSTOM_ERROR(
dctx,
SLBT_ERR_FLOW_ERROR);
symstrv = fsort ? mctx->mapstrv : mctx->symstrv;
for (symv=symstrv; *symv; symv++) {
if (!fcoff || slbt_is_strong_coff_symbol(*symv)) {
if (!regex || !regexec(®ctx,*symv,1,pmatch,0)) {
if (slbt_dprintf(fdout,"%s\n",*symv) < 0)
return SLBT_SYSTEM_ERROR(dctx,0);
}
/* coff weak symbols: expsym = .weak.alias.strong */
} else if (fcoff && !strncmp(*symv,".weak.",6)) {
mark = &(*symv)[6];
dot = strchr(mark,'.');
strncpy(strbuf,mark,dot-mark);
strbuf[dot-mark] = '\0';
if (!regex || !regexec(®ctx,strbuf,1,pmatch,0))
if (slbt_dprintf(fdout,"%s\n",strbuf) < 0)
return SLBT_SYSTEM_ERROR(dctx,0);
}
}
if (regex)
regfree(®ctx);
return 0;
}
static int slbt_au_output_one_symbol_yaml(
int fdout,
struct slbt_archive_meta_impl * mctx,
const char * symname)
{
struct ar_meta_symbol_info ** syminfv;
for (syminfv=mctx->syminfv; *syminfv; syminfv++)
if (!strcmp(syminfv[0]->ar_symbol_name,symname))
return slbt_dprintf(
fdout,
" - Symbol:\n"
" - [ object_name: " "%s" " ]\n"
" - [ symbol_name: " "%s" " ]\n"
" - [ symbol_type: " "%s" " ]\n\n",
syminfv[0]->ar_object_name,
symname,
syminfv[0]->ar_symbol_type);
return 0;
}
static int slbt_au_output_symbols_yaml(
const struct slbt_driver_ctx * dctx,
struct slbt_archive_meta_impl * mctx,
int fdout)
{
int fdtmp;
bool fsort;
bool fcoff;
const char * dot;
const char * mark;
const char * regex;
const char ** symv;
const char ** symstrv;
regex_t regctx;
regmatch_t pmatch[2] = {{0,0},{0,0}};
char strbuf[4096];
fsort = !(dctx->cctx->fmtflags & SLBT_OUTPUT_ARCHIVE_NOSORT);
fcoff = (mctx->ofmtattr & AR_OBJECT_ATTR_COFF);
if ((fdtmp = slbt_tmpfile()) < 0)
return SLBT_SYSTEM_ERROR(dctx,0);
if (fsort && !mctx->mapstrv)
if (slbt_update_mapstrv(dctx,mctx) < 0)
return SLBT_NESTED_ERROR(dctx);
if (slbt_ar_update_syminfo_ex(mctx->actx,fdtmp) < 0)
return SLBT_NESTED_ERROR(dctx);
if ((regex = dctx->cctx->regex))
if (regcomp(®ctx,regex,REG_EXTENDED|REG_NEWLINE))
return SLBT_CUSTOM_ERROR(
dctx,
SLBT_ERR_FLOW_ERROR);
symstrv = fsort ? mctx->mapstrv : mctx->symstrv;
if (slbt_dprintf(fdout," - Symbols:\n") < 0)
return SLBT_SYSTEM_ERROR(dctx,0);
for (symv=symstrv; *symv; symv++) {
if (!fcoff || slbt_is_strong_coff_symbol(*symv)) {
if (!regex || !regexec(®ctx,*symv,1,pmatch,0)) {
if (slbt_au_output_one_symbol_yaml(
fdout,mctx,*symv) < 0)
return SLBT_SYSTEM_ERROR(dctx,0);
}
/* coff weak symbols: expsym = .weak.alias.strong */
} else if (fcoff && !strncmp(*symv,".weak.",6)) {
mark = &(*symv)[6];
dot = strchr(mark,'.');
strncpy(strbuf,mark,dot-mark);
strbuf[dot-mark] = '\0';
if (!regex || !regexec(®ctx,strbuf,1,pmatch,0))
if (slbt_au_output_one_symbol_yaml(
fdout,mctx,strbuf) < 0)
return SLBT_SYSTEM_ERROR(dctx,0);
}
}
if (regex)
regfree(®ctx);
return 0;
}
int slbt_au_output_symbols(const struct slbt_archive_meta * meta)
{
struct slbt_archive_meta_impl * mctx;
const struct slbt_driver_ctx * dctx;
int fdout;
mctx = slbt_archive_meta_ictx(meta);
dctx = (slbt_archive_meta_ictx(meta))->dctx;
fdout = slbt_driver_fdout(dctx);
if (!meta->a_memberv)
return 0;
switch (dctx->cctx->fmtflags & SLBT_PRETTY_FLAGS) {
case SLBT_PRETTY_YAML:
return slbt_au_output_symbols_yaml(
dctx,mctx,fdout);
case SLBT_PRETTY_POSIX:
return slbt_au_output_symbols_posix(
dctx,mctx,fdout);
default:
return slbt_au_output_symbols_yaml(
dctx,mctx,fdout);
}
}
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