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load_BM.c
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load_BM.c
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// file load_BM.c
// SPDX-License-Identifier: GPL-3.0-or-later
/***
BISMON
Copyright © 2018 - 2022 CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
contributed by Basile Starynkevitch (working at CEA, LIST, France)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#include "bismon.h"
struct loader_stBM *firstloader_BM;
bool load_bismon_completed_BM;
void
loadergcmark_BM (struct garbcoll_stBM *gc, struct loader_stBM *ld)
{
ASSERT_BM (gc && gc->gc_magic == GCMAGIC_BM);
ASSERT_BM (valtype_BM ((const value_tyBM) ld) == typayl_loader_BM);
ASSERT_BM (ld->ld_magic == LOADERMAGIC_BM);
uint8_t oldmark = ((typedhead_tyBM *) ld)->hgc;
if (oldmark)
return;
((typedhead_tyBM *) ld)->hgc = MARKGC_BM;
gc->gc_nbmarks++;
EXTENDEDGCPROC_BM (gc, ld->ld_objhset, NULL, 0);
EXTENDEDGCPROC_BM (gc, ld->ld_modhset, NULL, 0);
EXTENDEDGCPROC_BM (gc, ld->ld_todolist, NULL, 0);
} /* end loadergcmark_BM */
void
loadergcdestroy_BM (struct garbcoll_stBM *gc, struct loader_stBM *ld)
{
ASSERT_BM (gc && gc->gc_magic == GCMAGIC_BM);
ASSERT_BM (valtype_BM ((const value_tyBM) ld) == typayl_loader_BM);
ASSERT_BM (ld->ld_magic == LOADERMAGIC_BM);
ASSERT_BM (!firstloader_BM || firstloader_BM == ld);
INFOPRINTF_BM ("loadergcdestroy_BM called ld @%p\n", (void *) ld);
if (firstloader_BM == ld)
firstloader_BM = NULL;
memset (ld, 0, sizeof (*ld));
free (ld);
gc->gc_freedbytes += sizeof (*ld);
} /* end loadergcdestroy_BM */
void
loadergckeep_BM (struct garbcoll_stBM *gc, struct loader_stBM *ld)
{
ASSERT_BM (gc && gc->gc_magic == GCMAGIC_BM);
ASSERT_BM (valtype_BM ((const value_tyBM) ld) == typayl_loader_BM);
ASSERT_BM (ld->ld_magic == LOADERMAGIC_BM);
INFOPRINTF_BM ("loadergckeep_BM called ld @%p\n", (void *) ld);
gc->gc_keptbytes += sizeof (struct loader_stBM);
} /* end loadergckeep_BM */
static void doload_BM (struct stackframe_stBM *fr, struct loader_stBM *ld);
#warning signature of resolve_load_object_routine_at_index_BM might change
/* Because we might use asprintf on a buffer allocated by the calling
routine load_initial_BM, and that buffer should be passed... */
static void resolve_load_object_routine_at_index_BM (char **bufp,
struct loader_stBM *ld,
int ix);
void
resolve_load_object_routine_at_index_BM (char **bufp, struct loader_stBM *ld,
int ix)
{
char obidbuf[32];
memset (obidbuf, 0, sizeof (obidbuf));
ASSERT_BM (ld != NULL);
ASSERT_BM (ld->ld_magic == LOADERMAGIC_BM);
ASSERT_BM (bufp != NULL);
if (*bufp == NULL)
{
int isiz = 64;
*bufp = malloc (isiz);
if (*bufp)
memset (*bufp, 0, isiz);
else
FATAL_BM ("failed to malloc %d bytes", isiz);
};
ASSERT_BM (ld->ld_objroutarr != NULL);
ASSERT_BM (ld->ld_count_objrout > 0);
ASSERT_BM (ix >= 0 && ix < ld->ld_count_objrout);
objectval_tyBM *curob = ld->ld_objroutarr[ix];
ASSERT_BM (curob && isobject_BM ((value_tyBM) curob));
rawid_tyBM curoid = objid_BM (curob);
idtocbuf32_BM (curoid, obidbuf);
ASSERT_BM (obidbuf[0] != (char) 0);
char *obdb = objectdbg_BM (curob);
ASSERT_BM (obdb != NULL);
int ok = 0;
if (ix > 0)
{
ok = asprintf (bufp, "%s & ", *bufp);
if (ok < 0)
FATAL_BM ("asprintf failed ('&')...");
};
ok = asprintf (bufp, "%s%s", *bufp, obdb);
if (ok < 0)
FATAL_BM ("asprintf failed (%s)...", obdb);
if (isalpha (obdb[0]))
{
ok = asprintf (bufp, "%s=€%s", *bufp, obidbuf);
if (ok < 0)
FATAL_BM ("asprintf failed (€%s)...", obidbuf);
}
} /* end resolve_load_object_routine_at_index_BM */
void
load_initial_BM (const char *ldirpath)
{
if (!ldirpath)
ldirpath = ".";
DIR *ldir = opendir (ldirpath);
char *projectstatefilename = NULL;
if (!ldir)
FATAL_BM ("load_initial failed to opendir %s : %m", ldirpath);
if (project_name_BM)
{
if (asprintf
(&projectstatefilename, "project-%s-BISMON.bmonp",
project_name_BM) < 0)
FATAL_BM ("load_initial fail to asprintf for project %s : %m",
project_name_BM);
}
ASSERT_BM (strlen (STORE_OBJECTOPEN_PREFIX_BM) ==
strlen (STORE_OBJECTOPEN_ALTPREFIX_BM));
ASSERT_BM (strlen (STORE_OBJECTCLOSE_PREFIX_BM) ==
strlen (STORE_OBJECTCLOSE_ALTPREFIX_BM));
ASSERT_BM (strlen (STORE_MODULE_PREFIX_BM) ==
strlen (STORE_MODULE_ALTPREFIX_BM));
ASSERT_BM (strlen (STORE_FUNSIGNATURE_PREFIX_BM) ==
strlen (STORE_FUNSIGNATURE_ALTPREFIX_BM));
struct dirent *de = NULL;
char *todopath = NULL;
int maxnum = 0;
int nbfiles = 0;
bool foundprojectfile = false;
char *patharr[MAXLOADEDFILES_BM] = { };
while ((de = readdir (ldir)) != NULL)
{
if (!isalpha (de->d_name[0]))
continue;
int num = 0;
int pos = 0;
if ((sscanf (de->d_name, "store%d-BISMON.bmon%n", &num, &pos) > 0
&& pos > 0) && num > 0 && de->d_name[pos] == 0)
{
if (num >= MAXLOADEDFILES_BM)
FATAL_BM ("too high file number for %s in %s", de->d_name,
ldirpath);
char *buf = NULL;
if (asprintf (&buf, "%s/%s", ldirpath, de->d_name) > 0
&& buf != NULL)
{
struct stat fst = { };
if (stat (buf, &fst))
FATAL_BM ("failed to stat %s : %m", buf);
if ((fst.st_mode & S_IFMT) != S_IFREG)
FATAL_BM ("%s is not a plain file", buf);
// detect store12.bmon and store+12.bmon or store0012.bmon
if (patharr[num])
FATAL_BM ("duplicate file %s for #%d in %s", buf, num,
ldirpath);
if (num > maxnum)
maxnum = num;
nbfiles++;
}
else
FATAL_BM ("asprintf failure (%m)");
patharr[num] = buf;
}
else if (!strcmp (de->d_name, "store_todo.bmon"))
{
char *buf = NULL;
if (asprintf (&buf, "%s/%s", ldirpath, de->d_name) > 0
&& buf != NULL)
{
struct stat fst = { };
if (stat (buf, &fst))
FATAL_BM ("failed to stat %s : %m", buf);
if ((fst.st_mode & S_IFMT) != S_IFREG)
FATAL_BM ("%s is not a plain file", buf);
}
else
FATAL_BM ("asprintf failure (%m)");
ASSERT_BM (patharr[0] == NULL);
patharr[0] = buf;
}
else if (projectstatefilename
&& !strcmp (de->d_name, projectstatefilename))
{
foundprojectfile = true;
}
}
closedir (ldir);
if (maxnum > MAXLOADEDFILES_BM)
FATAL_BM ("too many store files %d to load", maxnum);
INFOPRINTF_BM ("got %d store files in loaded directory %s\n", nbfiles,
ldirpath);
struct loader_stBM *ld = //
allocgcty_BM (typayl_loader_BM, sizeof (struct loader_stBM));
// ((typedhead_tyBM *) ld)->htyp = typayl_loader_BM;
// ((typedhead_tyBM *) ld)->hgc = 0;
((typedhead_tyBM *) ld)->rlen = 0;
ld->ld_magic = LOADERMAGIC_BM;
ld->ld_maxnum = maxnum;
ld->ld_startelapsedtime = elapsedtime_BM ();
ld->ld_startcputime = cputime_BM ();
ld->ld_curspaceix = -__LINE__;
ld->ld_passnum = -1;
ld->ld_objhset =
hashsetobj_grow_BM (NULL, 2 * BM_NB_PREDEFINED + maxnum * 100);
ld->ld_modhset = hashsetobj_grow_BM (NULL, 2 * TINYSIZE_BM);
ld->ld_todolist = makelist_BM ();
ld->ld_storepatharr = calloc (maxnum + 2, sizeof (void *));
if (!ld->ld_storepatharr)
FATAL_BM ("cannot calloc for %d store files (%m)", maxnum);
// should initialize the objroutarr vector
{
unsigned inirsiz = prime_above_BM (2 * BM_NB_PREDEFINED + 3);
ld->ld_objroutarr = calloc (inirsiz, sizeof (objectval_tyBM *));
if (!ld->ld_objroutarr)
FATAL_BM ("failed to allocate for %u object routines", inirsiz);
ld->ld_size_objroutarr = inirsiz;
ld->ld_count_objrout = 0;
};
if (foundprojectfile)
{
if (asprintf
(&ld->ld_projectstatepath, "%s/%s", ldirpath,
projectstatefilename) < 0)
FATAL_BM
("failed to make project state path for loaded directory %s and project file %s",
ldirpath, projectstatefilename);
free (projectstatefilename), projectstatefilename = NULL;
}
for (int ix = 1; ix <= maxnum; ix++)
{
char *pa = patharr[ix];
if (pa)
{
ld->ld_storepatharr[ix] = pa;
nbfiles++;
};
}
ld->ld_parsarr = calloc (maxnum + 2, sizeof (void *));
if (!ld->ld_parsarr)
FATAL_BM ("cannot calloc for %d parsers (%m)", maxnum);
ld->ld_storepatharr[0] = todopath;
ld->ld_dir = strdup (ldirpath);
if (!ld->ld_dir)
FATAL_BM ("cannot strdup dir %s (%m)", ldirpath);
firstloader_BM = ld;
{
LOCALFRAME_BM ( /*prev: */ NULL, /*descr: */ NULL,
struct loader_stBM *curld);
_.curld = ld;
doload_BM (CURFRAME_BM, ld);
}
{
double deltaelapsed = elapsedtime_BM () - ld->ld_startelapsedtime;
double deltacpu = cputime_BM () - ld->ld_startcputime;
char *realp = realpath (ld->ld_dir, NULL);
INFOPRINTF_BM
("*¤°°°¤* %s loaded %d files from %s (%s) with %ld objects,\n"
"... %d modules, %d routines in %.4f cpu %.3f real seconds\n"
"... (%.1f cpu, %.1f real µs/obj); on host %s pid %d\n",
myprogname_BM, nbfiles, ld->ld_dir, realp, ld->ld_nbobjects,
ld->ld_nbmodules, ld->ld_nbroutines, deltacpu, deltaelapsed,
(deltacpu * 1.0e6) / ld->ld_nbobjects,
(deltaelapsed * 1.0e6) / ld->ld_nbobjects, myhostname_BM,
(int) getpid ());
free (realp), realp = NULL;
}
firstloader_BM = NULL;
free (ld->ld_dir), ld->ld_dir = NULL;
for (int ix = 0; ix <= maxnum; ix++)
{
free (ld->ld_storepatharr[ix]), ld->ld_storepatharr[ix] = NULL;
ld->ld_parsarr[ix] = NULL;
}
free (ld->ld_storepatharr), ld->ld_storepatharr = NULL;
free (ld->ld_projectstatepath), ld->ld_projectstatepath = NULL;
free (ld->ld_parsarr), ld->ld_parsarr = NULL;
ld->ld_objhset = NULL;
ld->ld_modhset = NULL;
free (ld->ld_dir), ld->ld_dir = NULL;
ld->ld_data = NULL;
ld->ld_maxnum = 0;
if (ld->ld_objroutarr)
{
if (showdebugmsg_BM)
{
char pmapcmd[64];
memset (pmapcmd, 0, sizeof (pmapcmd));
snprintf (pmapcmd, sizeof (pmapcmd), "/usr/bin/pmap %d",
(int) getpid ());
DBGPRINTF_BM ("running %s", pmapcmd);
fflush (NULL);
system (pmapcmd);
};
#warning probably missing code to resolve object routines
if (ld->ld_count_objrout > 0)
{
char *buf = NULL;
if (ld->ld_objroutarr[0] != NULL)
{
resolve_load_object_routine_at_index_BM (&buf, ld, 0);
};
if (ld->ld_objroutarr[1] != NULL)
{
resolve_load_object_routine_at_index_BM (&buf, ld, 1);
};
if (ld->ld_objroutarr[2] != NULL)
{
resolve_load_object_routine_at_index_BM (&buf, ld, 2);
};
if (ld->ld_objroutarr[3] != NULL)
{
resolve_load_object_routine_at_index_BM (&buf, ld, 3);
};
if (ld->ld_objroutarr[4] != NULL)
{
resolve_load_object_routine_at_index_BM (&buf, ld, 4);
};
if (ld->ld_objroutarr[5] != NULL)
{
resolve_load_object_routine_at_index_BM (&buf, ld, 5);
};
if (ld->ld_objroutarr[6] != NULL)
{
int ok = asprintf (&buf, "%s ...etc...", buf);
if (ok < 0)
FATAL_BM ("asprintf ...etc... fail");
};
WARNPRINTF_BM
("load_initial_BM: unresolved %u object routines (%s) with %d modules",
ld->ld_count_objrout, buf, module_count_BM ());
}
free (ld->ld_objroutarr);
ld->ld_objroutarr = NULL;
ld->ld_count_objrout = 0;
ld->ld_size_objroutarr = 0;
};
// keep the header of ld; it will become GC-ed later
load_bismon_completed_BM = true;
} /* end load_initial_BM */
void
load_addtodo_BM (const closure_tyBM * clos)
{
if (!firstloader_BM)
FATAL_BM ("load_addtodo_BM called after loading");
if (!isclosure_BM ((const value_tyBM) clos))
FATAL_BM ("load_addtodo_BM called with non-closure");
if (!islist_BM (firstloader_BM->ld_todolist))
FATAL_BM ("missing todolist in loader for load_addtodo_BM");
listappend_BM (firstloader_BM->ld_todolist, (value_tyBM) clos);
} /* end load_addtodo_BM */
static inline int
first_pass_got_delim_bm (const char *buf, const char *delimstr)
{
ASSERT_BM (buf != NULL);
if (!delimstr)
return 0;
int delimlen = strlen (delimstr);
if (!strncmp (buf, delimstr, delimlen))
return delimlen;
else
return 0;
} /* end of first_pass_got_delim_bm */
#define FIRST_PASS_HAS_DELIM_bm(LinBuf,DelimLen,StorDelim) \
(((DelimLen = \
first_pass_got_delim_bm((LinBuf), \
StorDelim##_PREFIX_BM)) > 0) \
|| ((DelimLen = \
first_pass_got_delim_bm((LinBuf), \
StorDelim##_ALTPREFIX_BM)) > 0) \
|| ((DelimLen = \
first_pass_got_delim_bm((LinBuf), \
StorDelim##_TERPREFIX_BM)) > 0))
#warning TODO: loader should create missing C function stub in temporary_dir_BM
static void
load_first_pass_BM (struct loader_stBM *ld, int ix)
{
ASSERT_BM (ld && ld->ld_magic == LOADERMAGIC_BM);
ASSERT_BM ((ix >= 0 && ix <= (int) ld->ld_maxnum) || ix == ProjectSp_BM);
ld->ld_passnum = 1;
char *curldpath = NULL;
if (ix >= 0 && ix <= (int) ld->ld_maxnum)
curldpath = ld->ld_storepatharr[ix];
else if (ix == ProjectSp_BM)
curldpath = ld->ld_projectstatepath;
ld->ld_curspaceix = ix;
ASSERT_BM (curldpath != NULL);
size_t linsiz = 256;
char *linbuf = malloc (linsiz);
if (!linbuf)
FATAL_BM ("malloc failed linsiz=%zd (%m)", linsiz);
memset (linbuf, 0, linsiz);
FILE *fil = fopen (curldpath, "r");
if (!fil)
FATAL_BM ("fopen %s failed (%m)", curldpath);
int lincnt = 0;
int nbobjdef = 0;
int nbrout = 0;
objectval_tyBM *curloadedobj = NULL;
do
{
ssize_t linlen = getline (&linbuf, &linsiz, fil);
int delimlen = 0;
if (linlen < 0)
{
if (!feof (fil))
FATAL_BM ("getline %s:%d failed (%m)", curldpath, lincnt);
break;
}
linbuf[linlen] = (char) 0;
if (UNLIKELY_BM (lincnt == 0))
{
if (strncmp
(linbuf, STORE_CONTENTMAGIC_PREFIX_BM,
strlen (STORE_CONTENTMAGIC_PREFIX_BM)))
WARNPRINTF_BM
("loaded persistent store file %s does not start with magic '%s' characters",
curldpath, STORE_CONTENTMAGIC_PREFIX_BM);
}
lincnt++;
// skip comment lines and empty lines
if (linbuf[0] == '/' && linbuf[1] == '/')
continue;
if (!linbuf[0])
continue;
/* object definition starting lines are !(<oid> or «<oid> e.g. !(_7D8xcWnEiys_8oqOVSkCxkA */
if (FIRST_PASS_HAS_DELIM_bm (linbuf, delimlen, STORE_OBJECTOPEN)
&& linbuf[delimlen] == '_' && isdigit (linbuf[delimlen + 1]))
{
DBGPRINTF_BM
("first_pass %s:%d got STORE_OBJECTOPEN linbuf='%s' delimlen=%d curloadedobj=%s",
curldpath, lincnt, linbuf, delimlen,
objectdbg_BM (curloadedobj));
const char *endid = NULL;
rawid_tyBM id = parse_rawid_BM (linbuf + 2, &endid);
if (hashid_BM (id) && endid >= linbuf + 2 * SERIALDIGITS_BM
&& (*endid == (char) 0 || isspace (*endid)))
{
objectval_tyBM *newobj = makeobjofid_BM (id);
curloadedobj = newobj;
if (!newobj->ob_space)
objputspacenum_BM (newobj, ix);
char idbuf32[32] = "";
idtocbuf32_BM (id, idbuf32);
if (hashsetobj_contains_BM (ld->ld_objhset, newobj))
{
FATAL_BM ("duplicate id %s near %s:%d", idbuf32, curldpath,
lincnt);
};
ld->ld_objhset = hashsetobj_add_BM (ld->ld_objhset, newobj);
nbobjdef++;
}
else
FATAL_BM ("invalid object definition line %s in file %s:%d",
linbuf, curldpath, lincnt);
}
//
else
/* object definition ending lines are like !)<oid> or »<oid> so e.g. »_7D8xcWnEiys_8oqOVSkCxkA */
if (FIRST_PASS_HAS_DELIM_bm (linbuf, delimlen, STORE_OBJECTCLOSE)
&& linbuf[delimlen] == '_' && isdigit (linbuf[delimlen + 1]))
{
DBGPRINTF_BM
("first_pass %s:%d got STORE_OBJECTCLOSE linbuf='%s' delimlen=%d curloadedobj=%s",
curldpath, lincnt, linbuf, delimlen,
objectdbg_BM (curloadedobj));
const char *endid = NULL;
rawid_tyBM id = parse_rawid_BM (linbuf + 2, &endid);
if (hashid_BM (id) && endid >= linbuf + 2 * SERIALDIGITS_BM
&& (*endid == (char) 0 || isspace (*endid)))
{
if (!curloadedobj)
FATAL_BM ("unexpected end-of-object line %s in file %s:%d",
linbuf, curldpath, lincnt);
if (!equalid_BM (id, curloadedobj->ob_id))
{
char curldidbuf32[32] = "";
idtocbuf32_BM (curloadedobj->ob_id, curldidbuf32);
FATAL_BM
("mismatched end-of-object line %s in file %s:%d, expecting %s",
linbuf, curldpath, lincnt, curldidbuf32);
}
}
else
FATAL_BM ("invalid end-of-object line %s in file %s:%d",
linbuf, curldpath, lincnt);
// load a function_sig if it exists
if (curloadedobj && !curloadedobj->ob_rout)
{
char curldidbuf32[32] = "";
idtocbuf32_BM (curloadedobj->ob_id, curldidbuf32);
char symbuf[48];
memset (symbuf, 0, sizeof (symbuf));
snprintf (symbuf, sizeof (symbuf), //
ROUTINEOBJPREFIX_BM "%s" ROUTINESUFFIX_BM,
curldidbuf32);
DBGPRINTF_BM ("dlsym-ing '%s' in whole program", symbuf);
void *ad = dlsym (dlprog_BM, symbuf);
if (ad)
{
curloadedobj->ob_rout = ad;
curloadedobj->ob_sig = BMP_function_sig;
nbrout++;
printf
("forced %d-th routine %s of function_sig for %s in file %s\n",
nbrout, symbuf, curldidbuf32, curldpath);
}
else /* no ad, since dlsym failed: */
{
int nbloadedmodules = module_count_BM ();
WARNPRINTF_BM
("load_first_pass_BM failed dlsym-ing '%s' in whole program: %s;\n"
"... with already %d modules loaded\n", symbuf,
dlerror (), nbloadedmodules);
if (nbloadedmodules > 0)
{
if (backtracestate_BM != NULL
&& pthread_self () == mainthreadid_BM)
{
backtrace_print_BM ((struct backtrace_state *)
backtracestate_BM, 1, stderr);
fprintf (stderr,
"*¤*load_first_pass_BM failing dlsym-ing '%s' at %s:%d with %d loaded modules**\n",
symbuf, curldpath, lincnt,
nbloadedmodules);
fflush (stderr);
}
}
if (ld->ld_count_objrout + 2 > ld->ld_size_objroutarr)
{
unsigned newsiz =
prime_above_BM (4 * ld->ld_count_objrout / 3 + 10);
ASSERT_BM (newsiz > ld->ld_size_objroutarr);
objectval_tyBM **newarr =
calloc (newsiz, sizeof (objectval_tyBM *));
if (!newarr)
FATAL_BM ("failed to allocate for %u object routines",
newsiz);
memcpy (newarr, ld->ld_objroutarr,
ld->ld_count_objrout *
sizeof (objectval_tyBM *));
free (ld->ld_objroutarr);
ld->ld_objroutarr = newarr;
ld->ld_size_objroutarr = newsiz;
};
ld->ld_objroutarr[ld->ld_count_objrout++] = curloadedobj;
}
}
curloadedobj = NULL;
}
//
/* function_sig signature !|<signature> or Σ<signature> where
the <signature> is * or an objid; but we only handle the *
case in this first pass */
else if (FIRST_PASS_HAS_DELIM_bm (linbuf, delimlen, STORE_FUNSIGNATURE))
{
DBGPRINTF_BM
("first_pass %s:%d got STORE_FUNSIGNATURE linbuf='%s' delimlen=%d curloadedobj=%s",
curldpath, lincnt, linbuf, delimlen,
objectdbg_BM (curloadedobj));
char idbuf32[32] = "";
if (!curloadedobj)
FATAL_BM
("invalid function-sig line %s in file %s:%d, no current object",
linbuf, curldpath, lincnt);
idtocbuf32_BM (curloadedobj->ob_id, idbuf32);
// if there is a routine for that object, bind it now
char symbuf[48];
memset (symbuf, 0, sizeof (symbuf));
snprintf (symbuf, sizeof (symbuf), //
ROUTINEOBJPREFIX_BM "%s" ROUTINESUFFIX_BM, idbuf32);
DBGPRINTF_BM
("load_first_pass ix#%d dlsym-ing '%s' in whole program", ix,
symbuf);
void *ad = dlsym (dlprog_BM, symbuf);
if (ad)
{
curloadedobj->ob_rout = ad;
curloadedobj->ob_sig = BMP_function_sig;
nbrout++;
}
else
{
char dlerrbuf[80];
memset (dlerrbuf, 0, sizeof (dlerrbuf));
strncpy (dlerrbuf, dlerror (), sizeof (dlerrbuf));
/* the first store space is the predefined one, and we
need it to be correct... */
if (ld->ld_curspaceix > 1)
curloadedobj->ob_rout = warning_objrout_BM;
else
{
WARNPRINTF_BM
("loader first space in buggy store file %s:%d, dlsym %s in whole program failed %s",
curldpath, lincnt, symbuf, dlerrbuf);
curloadedobj->ob_rout = crashing_objrout_BM;
}
curloadedobj->ob_sig = BMP_function_sig;
/// if (sscanf (linbuf + delimlen, " *%n", &pos) >= 0 && pos > 0)
}
}
//
/* module requirement lines are µ<mod-id> or !^<mod-id> */
else
if (FIRST_PASS_HAS_DELIM_bm (linbuf, delimlen, STORE_MODULE)
&& linbuf[delimlen] == '_' && isdigit (linbuf[delimlen + 1]))
{
DBGPRINTF_BM
("first_pass %s:%d got STORE_MODULE linbuf='%s' delimlen=%d curloadedobj=%s",
curldpath, lincnt, linbuf, delimlen,
objectdbg_BM (curloadedobj));
const char *endid = NULL;
rawid_tyBM modid = parse_rawid_BM (linbuf + delimlen, &endid);
if (hashid_BM (modid) && endid >= linbuf + 2 * SERIALDIGITS_BM
&& (*endid == (char) 0 || isspace (*endid)))
{
if (!open_module_for_loader_BM (modid, ld, NULL))
{
WARNPRINTF_BM
("loader failed to open module for %s in %s line %d",
linbuf, curldpath, lincnt);
if (backtracestate_BM)
backtrace_print_BM
((struct backtrace_state *) backtracestate_BM, 0,
stderr);
}
}
else
FATAL_BM ("invalid module requirement line %s in file %s:%d",
linbuf, curldpath, lincnt);
}
}
while (!feof (fil));
if (nbobjdef == 0 && ix > 0)
FATAL_BM ("no object definition in %s\n", curldpath);
free (linbuf), linbuf = 0;
fclose (fil);
ld->ld_nbobjects += nbobjdef;
ld->ld_nbroutines += nbrout;
ld->ld_curspaceix = -__LINE__;
ld->ld_passnum = -__LINE__;
} /* end load_first_pass_BM */
static void
load_modif_class_BM (struct loader_stBM *ld, int ix,
struct stackframe_stBM *parstkfrm,
struct parser_stBM *ldpars, objectval_tyBM * argcurldobj)
{
ASSERT_BM (ld && ld->ld_magic == LOADERMAGIC_BM);
ASSERT_BM (ix >= 0 && ix <= (int) ld->ld_maxnum);
char *curldpath = ld->ld_storepatharr[ix];
ASSERT_BM (curldpath != NULL);
ASSERT_BM (ldpars != NULL);
ASSERT_BM (isobject_BM (argcurldobj));
LOCALFRAME_BM (parstkfrm, NULL, //
struct parser_stBM *ldparser; //
objectval_tyBM * curldobj; //
objectval_tyBM * superclassobj; //
objectval_tyBM * selectorobj; //
value_tyBM * methodv; //
);
_.curldobj = argcurldobj;
unsigned lineno = parserlineno_BM (ldpars);
unsigned colpos = parsercolpos_BM (ldpars);
parstoken_tyBM tokopen = parsertokenget_BM (ldpars, CURFRAME_BM);
if (tokopen.tok_kind != plex_DELIM
|| tokopen.tok_delim != delim_leftparentilde)
parsererrorprintf_BM (ldpars, CURFRAME_BM, lineno,
colpos, "expecting (~ after !~class");
bool gotsuper = false;
_.superclassobj = //
parsergetobject_BM (ldpars, CURFRAME_BM, //
0, &gotsuper);
if (!gotsuper)
parsererrorprintf_BM (ldpars, CURFRAME_BM, lineno,
colpos, "expecting <superclass> after !~ class (~");
objputclassinfo_BM (_.curldobj, _.superclassobj);
parstoken_tyBM toknext = EMPTY_TOKEN_BM;
unsigned nextlineno = 0;
unsigned nextcolpos = 0;
for (;;)
{
nextlineno = parserlineno_BM (ldpars);
nextcolpos = parsercolpos_BM (ldpars);
toknext = parsertokenget_BM (ldpars, CURFRAME_BM);
if (toknext.tok_kind != plex_DELIM
|| toknext.tok_delim != delim_tildecolon)
break;
bool gotselectorobj = false;
_.selectorobj = parsergetobject_BM (ldpars, CURFRAME_BM, //
0, &gotselectorobj);
if (!gotselectorobj || !_.selectorobj)
parsererrorprintf_BM //
(ldpars, CURFRAME_BM, nextlineno, nextcolpos,
"expecting <selector> after ~: in class modification");
bool gotmethodv = false;
_.methodv = //
parsergetvalue_BM (ldpars, CURFRAME_BM, 0, &gotmethodv);
if (!gotmethodv || valtype_BM (_.methodv) != tyClosure_BM)
parsererrorprintf_BM (ldpars, CURFRAME_BM,
nextlineno, nextcolpos,
"expect method closure");
objclassinfoputmethod_BM (_.curldobj, _.selectorobj,
(const closure_tyBM *) (_.methodv));
}
if (toknext.tok_kind != plex_DELIM
|| toknext.tok_delim != delim_tilderightparen)
parsererrorprintf_BM (ldpars, CURFRAME_BM, nextlineno,
nextcolpos, "expect ~) ending class modification");
} /* end load_modif_class_BM */
static void
load_modif_name_BM (struct loader_stBM *ld, int ix,
struct stackframe_stBM *parstkfrm,
struct parser_stBM *ldpars, objectval_tyBM * argcurldobj)
{
ASSERT_BM (ld && ld->ld_magic == LOADERMAGIC_BM);
ASSERT_BM (ix >= 0 && ix <= (int) ld->ld_maxnum);
char *curldpath = ld->ld_storepatharr[ix];
ASSERT_BM (curldpath != NULL);
ASSERT_BM (ldpars != NULL);
ASSERT_BM (isobject_BM (argcurldobj));
LOCALFRAME_BM (parstkfrm, NULL, //
struct parser_stBM *ldparser; //
objectval_tyBM * curldobj; //
objectval_tyBM * superclassobj; //
objectval_tyBM * selectorobj; //
value_tyBM methodv; //
value_tyBM namev; //
);
_.curldobj = argcurldobj;
unsigned lineno = parserlineno_BM (ldpars);
unsigned colpos = parsercolpos_BM (ldpars);
parstoken_tyBM tokopen = parsertokenget_BM (ldpars, CURFRAME_BM);
if (tokopen.tok_kind != plex_DELIM
|| tokopen.tok_delim != delim_leftparentilde)
parsererrorprintf_BM (ldpars, CURFRAME_BM, lineno,
colpos, "expecting (~ after !~name");
parstoken_tyBM tokname = parsertokenget_BM (ldpars, CURFRAME_BM);
const char *namestr = NULL;
if (tokname.tok_kind == plex_NAMEDOBJ)
{
_.namev = (value_tyBM) tokname.tok_namedobj;
namestr = findobjectname_BM (tokname.tok_namedobj);
}
else if (tokname.tok_kind == plex_CNAME)
{
_.namev = (value_tyBM) tokname.tok_cname;
namestr = bytstring_BM (_.namev);
}
else
parsererrorprintf_BM (ldpars, CURFRAME_BM, lineno,
colpos,
"expecting cname or namedobj after !~name (~");
ASSERT_BM (namestr != NULL);
const char *oldname = findobjectname_BM (_.curldobj);
if (oldname && strcmp (oldname, namestr))
{
char idbuf[32];
memset (idbuf, 0, sizeof (idbuf));
idtocbuf32_BM (_.curldobj->ob_id, idbuf);
parsererrorprintf_BM (ldpars, CURFRAME_BM, lineno,
colpos,
"already named '%s' object %s cannot get new name '%s'",
oldname, idbuf, namestr);
};
registername_BM (_.curldobj, namestr);
parstoken_tyBM tokclose = parsertokenget_BM (ldpars, CURFRAME_BM);
if (tokclose.tok_kind != plex_DELIM
|| tokclose.tok_delim != delim_tilderightparen)
parsererrorprintf_BM (ldpars, CURFRAME_BM, lineno,
colpos, "expecting ~) ending !~name");
} /* end load_modif_name_BM */
static void
load_modif_value_BM (struct loader_stBM *ld, int ix,
struct stackframe_stBM *parstkfrm,
struct parser_stBM *ldpars, objectval_tyBM * argcurldobj)
{
ASSERT_BM (ld && ld->ld_magic == LOADERMAGIC_BM);
ASSERT_BM (ix >= 0 && ix <= (int) ld->ld_maxnum);
char *curldpath = ld->ld_storepatharr[ix];
ASSERT_BM (curldpath != NULL);
ASSERT_BM (ldpars != NULL);
ASSERT_BM (isobject_BM (argcurldobj));
LOCALFRAME_BM (parstkfrm, NULL, //
struct parser_stBM *ldparser; //
objectval_tyBM * curldobj; //
value_tyBM valv;);
_.ldparser = ldpars;
_.curldobj = argcurldobj;
unsigned lineno = parserlineno_BM (ldpars);
unsigned colpos = parsercolpos_BM (ldpars);
parstoken_tyBM tokopen = parsertokenget_BM (ldpars, CURFRAME_BM);
if (tokopen.tok_kind != plex_DELIM
|| tokopen.tok_delim != delim_leftparentilde)
parsererrorprintf_BM (ldpars, CURFRAME_BM, lineno,
colpos, "expecting (~ after !~value");
bool gotval = false;
_.valv = //
parsergetvalue_BM (ldpars, CURFRAME_BM, 0, &gotval);
if (!gotval)
parsererrorprintf_BM (ldpars, CURFRAME_BM,
tokopen.tok_line, tokopen.tok_col,
"expect value after !~value (~");
parstoken_tyBM tokclose = parsertokenget_BM (ldpars, CURFRAME_BM);
if (tokclose.tok_kind != plex_DELIM
|| tokclose.tok_delim != delim_tilderightparen)
parsererrorprintf_BM (ldpars, CURFRAME_BM,
parserlineno_BM (ldpars),
parsercolpos_BM (ldpars),
"expect )~ after !~value (~ <value> ");
objputpayload_BM (_.curldobj, _.valv);
} /* end load_modif_value_BM */
static void
load_modif_json_BM (struct loader_stBM *ld, int ix,
struct stackframe_stBM *parstkfrm,
struct parser_stBM *ldpars, objectval_tyBM * argcurldobj)
{
ASSERT_BM (ld && ld->ld_magic == LOADERMAGIC_BM);
ASSERT_BM (ix >= 0 && ix <= (int) ld->ld_maxnum);
char *curldpath = ld->ld_storepatharr[ix];
char *debugjson = getenv ("BISMON_DEBUG_JSON");
INFOPRINTF_BM ("load_modif_json_BM debugjson=%s", debugjson);
ASSERT_BM (curldpath != NULL);
ASSERT_BM (ldpars != NULL);
ASSERT_BM (isobject_BM (argcurldobj));
LOCALFRAME_BM (parstkfrm, NULL, //
struct parser_stBM *ldparser; //
objectval_tyBM * curldobj; //
value_tyBM valv;);
_.ldparser = ldpars;
_.curldobj = argcurldobj;
unsigned lineno = parserlineno_BM (ldpars);
unsigned colpos = parsercolpos_BM (ldpars);
bool removedebug = false;
if (debugjson && !showdebugmsg_BM)
{
showdebugmsg_BM = true;
removedebug = true;
DBGBACKTRACEPRINTF_BM ("load_modif_json_BM ix=%d L%uC%u debugjson=%s",
ix, lineno, colpos, debugjson);
}
parstoken_tyBM tokopen = parsertokenget_BM (ldpars, CURFRAME_BM);
if (tokopen.tok_kind != plex_DELIM
|| tokopen.tok_delim != delim_leftparentilde)
parsererrorprintf_BM (ldpars, CURFRAME_BM, lineno,
colpos, "expecting (~ after !~json");
char *membuf = NULL;
size_t memsiz = 0;
FILE *memfil = open_memstream (&membuf, &memsiz);
if (!memfil)
FATAL_BM ("load_modif_json_BM L%uC%u %s failed to open_memstream",
lineno, colpos, ldpars->pars_path);
fputs (ldpars->pars_linebuf + tokopen.tok_col + 2, memfil);
bool endjs = false;
int nbjsline = 0;
do
{
parsernextline_BM (ldpars);
DBGPRINTF_BM
("load_modif_json_BM store%d-BISMON.bmon L%u linlen %ld linbuf '%s'",
ix, lineno + nbjsline, ldpars->pars_linelen, ldpars->pars_linebuf);
if (ldpars->pars_linelen <= 0
|| (ldpars->pars_linelen >= 2 && ldpars->pars_linebuf[0] == '~'
&& ldpars->pars_linebuf[1] == ')'))
{
endjs = true;
break;
}
else
{
fputs (ldpars->pars_linebuf, memfil);
}
if (nbjsline > 0 && nbjsline % 64 == 0)
{
fflush (memfil);
WARNPRINTF_BM
("load_modif_json_BM L%uC%u curldobj=%s, quite long (%d lines) JSON-membuf=\n%s\n//----\n",
lineno, colpos, objectdbg_BM (_.curldobj), nbjsline, membuf);
}
nbjsline++;
}
while (!endjs);
//
fputc ('\n', memfil);
fflush (memfil);
long lnjs = ftell (memfil);
DBGPRINTF_BM
("load_modif_json_BM L%uC%u curldobj=%s, JSON-membuf=\n%s\n//----\n",
lineno, colpos, objectdbg_BM (_.curldobj), membuf);
parstoken_tyBM tokclose = parsertokenget_BM (ldpars, CURFRAME_BM);
if (tokclose.tok_kind != plex_DELIM
|| tokclose.tok_delim != delim_tilderightparen)
parsererrorprintf_BM (ldpars, CURFRAME_BM,
parserlineno_BM (ldpars), parsercolpos_BM (ldpars),
"expect )~ after !~json (~ <JSON> ");
json_error_t jserr = { };
json_t *js = json_loadb (membuf, lnjs,
JSON_DISABLE_EOF_CHECK | JSON_REJECT_DUPLICATES |
JSON_DECODE_ANY, &jserr);
if (!js)
FATAL_BM ("load_modif_json_BM L%uC%u %s failed %s\n"
"... JSON decoding %s (~L%uC%u)",
lineno, colpos, ldpars->pars_path, objectdbg_BM (_.curldobj),
jserr.text, lineno + jserr.line,
(jserr.line >
1) ? (int) jserr.column : (int) colpos + jserr.column);
fclose (memfil);
free (membuf), membuf = NULL;
objputjansjsonpayl_BM (_.curldobj, js);
if (removedebug)
{
char *strjs = json_dumps (js, JSON_SORT_KEYS | JSON_INDENT (1));
DBGBACKTRACEPRINTF_BM
("load_modif_json_BM ix=%d L%uC%u end debugjson=%s curldobj=%s strjs=\n%s\n",
ix, lineno, colpos, debugjson, objectdbg_BM (_.curldobj), strjs);
free (strjs);
showdebugmsg_BM = false;
}
} /* end load_modif_json_BM */
#define TODO_MAXARGS_BM 5
static void
load_modif_todo_BM (struct loader_stBM *ld, int ix,
struct stackframe_stBM *parstkfrm,
struct parser_stBM *ldpars, objectval_tyBM * argcurldobj)
{
ASSERT_BM (ld && ld->ld_magic == LOADERMAGIC_BM);
ASSERT_BM (ix >= 0 && ix <= (int) ld->ld_maxnum);
char *curldpath = ld->ld_storepatharr[ix];
ASSERT_BM (curldpath != NULL);
ASSERT_BM (ldpars != NULL);
ASSERT_BM (isobject_BM (argcurldobj));
LOCALFRAME_BM (parstkfrm, NULL, //
struct parser_stBM *ldparser; //
objectval_tyBM * curldobj; //
value_tyBM valv; //
value_tyBM todov; //
const closure_tyBM * closv; //
objectval_tyBM * obselv; //
value_tyBM args[TODO_MAXARGS_BM];);
_.ldparser = ldpars;
_.curldobj = argcurldobj;
unsigned lineno = parserlineno_BM (ldpars);
unsigned colpos = parsercolpos_BM (ldpars);
parstoken_tyBM tokopen = parsertokenget_BM (ldpars, CURFRAME_BM);
if (tokopen.tok_kind != plex_DELIM
|| tokopen.tok_delim != delim_leftparentilde)
parsererrorprintf_BM (ldpars, CURFRAME_BM, lineno,
colpos, "expecting (~ after !~todo");
bool again;
do
{