From 9c9f287a5fb74927817b69be16fbbf93aaae91de Mon Sep 17 00:00:00 2001 From: midipix Date: Sat, 3 Sep 2016 05:31:29 -0400 Subject: link mode: added error trace support. --- src/logic/slbt_exec_link.c | 216 ++++++++++++++++++++++++++------------------- 1 file changed, 124 insertions(+), 92 deletions(-) (limited to 'src') diff --git a/src/logic/slbt_exec_link.c b/src/logic/slbt_exec_link.c index 31d32d3..0e380d7 100644 --- a/src/logic/slbt_exec_link.c +++ b/src/logic/slbt_exec_link.c @@ -15,6 +15,7 @@ #include #include "slibtool_spawn_impl.h" #include "slibtool_mkdir_impl.h" +#include "slibtool_errinfo_impl.h" #include "slibtool_metafile_impl.h" #include "slibtool_readlink_impl.h" #include "slibtool_symlink_impl.h" @@ -81,6 +82,7 @@ static int slbt_exec_link_exit( } static int slbt_get_deps_meta( + const struct slbt_driver_ctx * dctx, char * libfilename, struct slbt_deps_meta * depsmeta) { @@ -91,11 +93,13 @@ static int slbt_get_deps_meta( char depfile[4*PATH_MAX]; char * deplibs = depfile; + (void)dctx; + /* -rpath */ if ((size_t)snprintf(depfile,sizeof(depfile),"%s.slibtool.rpath", libfilename) >= sizeof(depfile)) - return -1; + return SLBT_BUFFER_ERROR(dctx); if (!(lstat(depfile,&st))) { /* -Wl,%s */ @@ -107,18 +111,18 @@ static int slbt_get_deps_meta( if ((size_t)snprintf(depfile,sizeof(depfile),"%s.slibtool.deps", libfilename) >= sizeof(depfile)) - return -1; + return SLBT_BUFFER_ERROR(dctx); if ((stat(depfile,&st))) - return -1; + return SLBT_SYSTEM_ERROR(dctx); if (!(fdeps = fopen(depfile,"r"))) - return -1; + return SLBT_SYSTEM_ERROR(dctx); if ((size_t)st.st_size >= sizeof(depfile)) if (!(deplibs = malloc(st.st_size+1))) { fclose(fdeps); - return -1; + return SLBT_SYSTEM_ERROR(dctx); } depsmeta->infolen += st.st_size; @@ -136,7 +140,7 @@ static int slbt_get_deps_meta( if (deplibs != depfile) free(deplibs); - ret = ferror(fdeps) ? -1 : 0; + ret = ferror(fdeps) ? SLBT_FILE_ERROR(dctx) : 0; fclose(fdeps); return ret; @@ -180,6 +184,7 @@ static bool slbt_adjust_input_argument( } static int slbt_adjust_linker_argument( + const struct slbt_driver_ctx * dctx, char * arg, bool fpic, const char * dsosuffix, @@ -227,7 +232,7 @@ static int slbt_adjust_linker_argument( else sprintf(dot,"%s",arsuffix); - return slbt_get_deps_meta(arg,depsmeta); + return slbt_get_deps_meta(dctx,arg,depsmeta); } /* input archive */ @@ -266,13 +271,13 @@ static int slbt_exec_link_adjust_argument_vector( argc++; if (!(depsmeta->args = calloc(1,depsmeta->infolen))) - return -1; + return SLBT_SYSTEM_ERROR(dctx); argc *= 3; argc += depsmeta->depscnt; if (!(depsmeta->altv = calloc(argc,sizeof(char *)))) - return -1; + return SLBT_SYSTEM_ERROR(dctx); carg = ectx->cargv; aarg = depsmeta->altv; @@ -352,7 +357,7 @@ static int slbt_exec_link_adjust_argument_vector( rpathlnk,\ rpathdir, sizeof(rpathdir))) - return -1; + return SLBT_SYSTEM_ERROR(dctx); sprintf(darg,"-Wl,%s",rpathdir); *aarg++ = "-Wl,-rpath"; @@ -368,7 +373,7 @@ static int slbt_exec_link_adjust_argument_vector( /* account for {'-','L','-','l'} */ if ((size_t)snprintf(arg,sizeof(arg),"%s", *carg) >= (sizeof(arg) - 4)) - return -1; + return SLBT_BUFFER_ERROR(dctx); if ((slash = strrchr(arg,'/'))) { sprintf(*carg,"-L%s",arg); @@ -383,7 +388,7 @@ static int slbt_exec_link_adjust_argument_vector( "DL_PATH=\"$DL_PATH$COLON%s/%s\"\n" "COLON=':'\n\n", cwd,arg) < 0) - return -1; + return SLBT_SYSTEM_ERROR(dctx); } *aarg++ = *carg++; @@ -422,14 +427,14 @@ static int slbt_exec_link_adjust_argument_vector( free(depsmeta->altv); free(depsmeta->args); fclose(fdeps); - return -1; + return SLBT_FILE_ERROR(dctx); } else { fclose(fdeps); } } else if (freqd) { free(depsmeta->altv); free(depsmeta->args); - return -1; + return SLBT_CUSTOM_ERROR(dctx,0); } } } @@ -455,6 +460,7 @@ static int slbt_exec_link_remove_file( } static int slbt_exec_link_create_dep_file( + const struct slbt_driver_ctx * dctx, struct slbt_exec_ctx * ectx, char ** altv, const char * libfilename) @@ -471,16 +477,18 @@ static int slbt_exec_link_create_dep_file( char depfile[PATH_MAX]; struct stat st; + (void)dctx; + if (ectx->fdeps) fclose(ectx->fdeps); if ((size_t)snprintf(depfile,sizeof(depfile),"%s.slibtool.deps", libfilename) >= sizeof(depfile)) - return -1; + return SLBT_BUFFER_ERROR(dctx); if (!(ectx->fdeps = fopen(depfile,"w"))) - return -1; + return SLBT_SYSTEM_ERROR(dctx); for (parg=altv; *parg; parg++) { popt = 0; @@ -513,20 +521,20 @@ static int slbt_exec_link_create_dep_file( if ((size_t)snprintf(mark,size,".libs/%s",base) >= size) - return -1; + return SLBT_BUFFER_ERROR(dctx); mark = strrchr(mark,'.'); size = sizeof(depfile) - (mark - depfile); if ((size_t)snprintf(mark,size,".a.slibtool.deps") >= size) - return -1; + return SLBT_BUFFER_ERROR(dctx); if (stat(depfile,&st)) - return -1; + return SLBT_SYSTEM_ERROR(dctx); if (!(fdeps = fopen(depfile,"r"))) - return -1; + return SLBT_SYSTEM_ERROR(dctx); deplib = st.st_size ? fgets(deplibs,st.st_size+1,fdeps) @@ -535,7 +543,7 @@ static int slbt_exec_link_create_dep_file( for (; deplib; ) { if (fprintf(ectx->fdeps,"%s",deplib) < 0) { fclose(fdeps); - return -1; + return SLBT_SYSTEM_ERROR(dctx); } deplib = fgets(deplibs,st.st_size+1,fdeps); @@ -546,11 +554,11 @@ static int slbt_exec_link_create_dep_file( if (plib) if (fprintf(ectx->fdeps,"-l%s\n",plib) < 0) - return -1; + return SLBT_SYSTEM_ERROR(dctx); } if (fflush(ectx->fdeps)) - return -1; + return SLBT_SYSTEM_ERROR(dctx); return 0; } @@ -574,39 +582,39 @@ static int slbt_exec_link_create_import_library( if ((size_t)snprintf(hosttag,sizeof(hosttag),"%s.%s", deffilename, dctx->cctx->host.flavor) >= sizeof(hosttag)) - return -1; + return SLBT_BUFFER_ERROR(dctx); if ((size_t)snprintf(hostlnk,sizeof(hostlnk),"%s.host", deffilename) >= sizeof(hostlnk)) - return -1; + return SLBT_BUFFER_ERROR(dctx); /* libfoo.so.def is under .libs/ */ if (!(slash = strrchr(deffilename,'/'))) - return -1; + return SLBT_CUSTOM_ERROR(dctx,0); if (slbt_create_symlink( dctx,ectx, deffilename, hosttag, false)) - return -1; + return SLBT_NESTED_ERROR(dctx); /* libfoo.so.def.{flavor} is under .libs/ */ if (!(slash = strrchr(hosttag,'/'))) - return -1; + return SLBT_CUSTOM_ERROR(dctx,0); if (slbt_create_symlink( dctx,ectx, ++slash, hostlnk, false)) - return -1; + return SLBT_NESTED_ERROR(dctx); } /* dlltool argv */ if ((size_t)snprintf(program,sizeof(program),"%s", dctx->cctx->host.dlltool) >= sizeof(program)) - return -1; + return SLBT_BUFFER_ERROR(dctx); dlltool[0] = program; dlltool[1] = "-l"; @@ -624,11 +632,11 @@ static int slbt_exec_link_create_import_library( /* step output */ if (!(dctx->cctx->drvflags & SLBT_DRIVER_SILENT)) if (slbt_output_link(dctx,ectx)) - return -1; + return SLBT_NESTED_ERROR(dctx); /* dlltool spawn */ if ((slbt_spawn(ectx,true) < 0) || ectx->exitcode) - return -1; + return SLBT_SPAWN_ERROR(dctx); return 0; } @@ -663,12 +671,12 @@ static int slbt_exec_link_create_archive( /* output */ if ((size_t)snprintf(output,sizeof(output),"%s", arfilename) >= sizeof(output)) - return -1; + return SLBT_BUFFER_ERROR(dctx); /* ar alternate argument vector */ if ((size_t)snprintf(program,sizeof(program),"%s", dctx->cctx->host.ar) >= sizeof(program)) - return -1; + return SLBT_BUFFER_ERROR(dctx); aarg = ectx->altv; *aarg++ = program; @@ -686,30 +694,30 @@ static int slbt_exec_link_create_archive( /* step output */ if (!(dctx->cctx->drvflags & SLBT_DRIVER_SILENT)) if (slbt_output_link(dctx,ectx)) - return -1; + return SLBT_NESTED_ERROR(dctx); /* remove old archive as needed */ if (slbt_exec_link_remove_file(dctx,ectx,output)) - return -1; + return SLBT_NESTED_ERROR(dctx); /* .deps */ - if (slbt_exec_link_create_dep_file(ectx,ectx->cargv,arfilename)) - return -1; + if (slbt_exec_link_create_dep_file(dctx,ectx,ectx->cargv,arfilename)) + return SLBT_NESTED_ERROR(dctx); /* ar spawn */ if ((slbt_spawn(ectx,true) < 0) || ectx->exitcode) - return -1; + return SLBT_SPAWN_ERROR(dctx); /* input objects associated with .la archives */ for (parg=ectx->cargv; *parg; parg++) if (slbt_adjust_input_argument(*parg,".la",".a",fpic)) if (slbt_archive_import(dctx,ectx,output,*parg)) - return -1; + return SLBT_NESTED_ERROR(dctx); /* ranlib argv */ if ((size_t)snprintf(program,sizeof(program),"%s", dctx->cctx->host.ranlib) >= sizeof(program)) - return -1; + return SLBT_BUFFER_ERROR(dctx); ranlib[0] = program; ranlib[1] = output; @@ -719,11 +727,11 @@ static int slbt_exec_link_create_archive( /* step output */ if (!(dctx->cctx->drvflags & SLBT_DRIVER_SILENT)) if (slbt_output_link(dctx,ectx)) - return -1; + return SLBT_NESTED_ERROR(dctx); /* ranlib spawn */ if ((slbt_spawn(ectx,true) < 0) || ectx->exitcode) - return -1; + return SLBT_SPAWN_ERROR(dctx); if (fprimary && (dctx->cctx->drvflags & SLBT_DRIVER_DISABLE_SHARED)) { strcpy(arlink,output); @@ -742,10 +750,10 @@ static int slbt_exec_link_create_archive( sprintf(arfile,".libs/%s",base); if (slbt_exec_link_remove_file(dctx,ectx,arlink)) - return -1; + return SLBT_NESTED_ERROR(dctx); if (symlink(arfile,arlink)) - return -1; + return SLBT_SYSTEM_ERROR(dctx); } return 0; @@ -777,11 +785,12 @@ static int slbt_exec_link_create_library( /* linker argument adjustment */ for (parg=ectx->cargv; *parg; parg++) if (slbt_adjust_linker_argument( + dctx, *parg,true, dctx->cctx->settings.dsosuffix, dctx->cctx->settings.arsuffix, &depsmeta) < 0) - return -1; + return SLBT_NESTED_ERROR(dctx); /* --no-undefined */ if (dctx->cctx->drvflags & SLBT_DRIVER_NO_UNDEFINED) @@ -797,7 +806,7 @@ static int slbt_exec_link_create_library( dctx->cctx->settings.dsosuffix, dctx->cctx->verinfo.major) >= sizeof(soname)) - return -1; + return SLBT_BUFFER_ERROR(dctx); *ectx->soname = "-Wl,-soname"; *ectx->lsoname = soname; @@ -808,7 +817,7 @@ static int slbt_exec_link_create_library( dctx->cctx->release, dctx->cctx->settings.dsosuffix) >= sizeof(soname)) - return -1; + return SLBT_BUFFER_ERROR(dctx); *ectx->soname = "-Wl,-soname"; *ectx->lsoname = soname; @@ -819,7 +828,7 @@ static int slbt_exec_link_create_library( if ((size_t)snprintf(symfile,sizeof(symfile),"-Wl,%s", ectx->deffilename) >= sizeof(output)) - return -1; + return SLBT_BUFFER_ERROR(dctx); *ectx->symdefs = "-Wl,--output-def"; *ectx->symfile = symfile; @@ -845,7 +854,7 @@ static int slbt_exec_link_create_library( dctx->cctx->verinfo.minor, dctx->cctx->verinfo.revision) >= sizeof(output)) - return -1; + return SLBT_BUFFER_ERROR(dctx); } *ectx->lout[0] = "-o"; @@ -854,20 +863,20 @@ static int slbt_exec_link_create_library( /* ldrpath */ if (dctx->cctx->host.ldrpath) { if (slbt_exec_link_remove_file(dctx,ectx,ectx->rpathfilename)) - return -1; + return SLBT_NESTED_ERROR(dctx); if (symlink(dctx->cctx->host.ldrpath,ectx->rpathfilename)) - return -1; + return SLBT_SYSTEM_ERROR(dctx); } /* cwd */ if (!getcwd(cwd,sizeof(cwd))) - return -1; + return SLBT_SYSTEM_ERROR(dctx); /* .libs/libfoo.so --> -L.libs -lfoo */ if (slbt_exec_link_adjust_argument_vector( dctx,ectx,&depsmeta,cwd,true)) - return -1; + return SLBT_NESTED_ERROR(dctx); /* using alternate argument vector */ ectx->argv = depsmeta.altv; @@ -876,15 +885,21 @@ static int slbt_exec_link_create_library( /* step output */ if (!(dctx->cctx->drvflags & SLBT_DRIVER_SILENT)) if (slbt_output_link(dctx,ectx)) - return slbt_exec_link_exit(&depsmeta,-1); + return slbt_exec_link_exit( + &depsmeta, + SLBT_NESTED_ERROR(dctx)); /* .deps */ - if (slbt_exec_link_create_dep_file(ectx,ectx->argv,dsofilename)) - return slbt_exec_link_exit(&depsmeta,-1); + if (slbt_exec_link_create_dep_file(dctx,ectx,ectx->argv,dsofilename)) + return slbt_exec_link_exit( + &depsmeta, + SLBT_NESTED_ERROR(dctx)); /* spawn */ if ((slbt_spawn(ectx,true) < 0) || ectx->exitcode) - return slbt_exec_link_exit(&depsmeta,-1); + return slbt_exec_link_exit( + &depsmeta, + SLBT_SPAWN_ERROR(dctx)); return slbt_exec_link_exit(&depsmeta,0); } @@ -921,11 +936,12 @@ static int slbt_exec_link_create_executable( /* linker argument adjustment */ for (parg=ectx->cargv; *parg; parg++) if (slbt_adjust_linker_argument( + dctx, *parg,true, dctx->cctx->settings.dsosuffix, dctx->cctx->settings.arsuffix, &depsmeta) < 0) - return -1; + return SLBT_NESTED_ERROR(dctx); /* --no-undefined */ if (dctx->cctx->drvflags & SLBT_DRIVER_NO_UNDEFINED) @@ -935,10 +951,10 @@ static int slbt_exec_link_create_executable( if ((size_t)snprintf(wrapper,sizeof(wrapper),"%s.wrapper.tmp", dctx->cctx->output) >= sizeof(wrapper)) - return -1; + return SLBT_BUFFER_ERROR(dctx); if (!(ectx->fwrapper = fopen(wrapper,"w"))) - return -1; + return SLBT_SYSTEM_ERROR(dctx); verinfo = slbt_source_version(); @@ -962,25 +978,25 @@ static int slbt_exec_link_create_executable( verinfo->major,verinfo->minor,verinfo->revision, verinfo->commit, dctx->cctx->settings.ldpathenv) < 0) - return -1; + return SLBT_SYSTEM_ERROR(dctx); /* output */ if ((size_t)snprintf(output,sizeof(output),"%s", exefilename) >= sizeof(output)) - return -1; + return SLBT_BUFFER_ERROR(dctx); *ectx->lout[0] = "-o"; *ectx->lout[1] = output; /* cwd */ if (!getcwd(cwd,sizeof(cwd))) - return -1; + return SLBT_SYSTEM_ERROR(dctx); /* .libs/libfoo.so --> -L.libs -lfoo */ if (slbt_exec_link_adjust_argument_vector( dctx,ectx,&depsmeta,cwd,false)) - return -1; + return SLBT_NESTED_ERROR(dctx); /* using alternate argument vector */ ectx->argv = depsmeta.altv; @@ -989,7 +1005,9 @@ static int slbt_exec_link_create_executable( /* executable wrapper symlink */ if ((size_t)snprintf(wraplnk,sizeof(wraplnk),"%s.exe.wrapper", dctx->cctx->output) >= sizeof(wraplnk)) - return slbt_exec_link_exit(&depsmeta,-1); + return slbt_exec_link_exit( + &depsmeta, + SLBT_BUFFER_ERROR(dctx)); /* executable wrapper: base name */ if ((base = strrchr(wraplnk,'/'))) @@ -1013,16 +1031,22 @@ static int slbt_exec_link_create_executable( base, fabspath ? "" : cwd, fabspath ? &exefilename[1] : exefilename) < 0) - return slbt_exec_link_exit(&depsmeta,-1); + return slbt_exec_link_exit( + &depsmeta, + SLBT_SYSTEM_ERROR(dctx)); /* step output */ if (!(dctx->cctx->drvflags & SLBT_DRIVER_SILENT)) if (slbt_output_link(dctx,ectx)) - return slbt_exec_link_exit(&depsmeta,-1); + return slbt_exec_link_exit( + &depsmeta, + SLBT_NESTED_ERROR(dctx)); /* spawn */ if ((slbt_spawn(ectx,true) < 0) || ectx->exitcode) - return slbt_exec_link_exit(&depsmeta,-1); + return slbt_exec_link_exit( + &depsmeta, + SLBT_SPAWN_ERROR(dctx)); /* executable wrapper: finalize */ fclose(ectx->fwrapper); @@ -1032,13 +1056,19 @@ static int slbt_exec_link_create_executable( dctx,ectx, dctx->cctx->output,wraplnk, false)) - return slbt_exec_link_exit(&depsmeta,-1); + return slbt_exec_link_exit( + &depsmeta, + SLBT_NESTED_ERROR(dctx)); if (rename(wrapper,dctx->cctx->output)) - return slbt_exec_link_exit(&depsmeta,-1); + return slbt_exec_link_exit( + &depsmeta, + SLBT_SYSTEM_ERROR(dctx)); if (chmod(dctx->cctx->output,0755)) - return slbt_exec_link_exit(&depsmeta,-1); + return slbt_exec_link_exit( + &depsmeta, + SLBT_SYSTEM_ERROR(dctx)); return slbt_exec_link_exit(&depsmeta,0); } @@ -1059,7 +1089,7 @@ static int slbt_exec_link_create_library_symlink( dctx,ectx, target,lnkname, false)) - return -1; + return SLBT_NESTED_ERROR(dctx); } else sprintf(target,"%s.%d.%d.%d", ectx->dsofilename, @@ -1114,7 +1144,7 @@ int slbt_exec_link( dctx->cctx->verinfo.minor, dctx->cctx->verinfo.revision) >= sizeof(soxyz)) - return -1; + return SLBT_BUFFER_ERROR(dctx); /* libfoo.so.x */ sprintf(soname,"%s%s%s.%d", @@ -1141,7 +1171,7 @@ int slbt_exec_link( if (ectx) actx = 0; else if ((ret = slbt_get_exec_ctx(dctx,&ectx))) - return ret; + return SLBT_NESTED_ERROR(dctx); else actx = ectx; @@ -1152,14 +1182,14 @@ int slbt_exec_link( /* .libs directory */ if (slbt_mkdir(ectx->ldirname)) { slbt_free_exec_ctx(actx); - return -1; + return SLBT_SYSTEM_ERROR(dctx); } /* non-pic libfoo.a */ if (dot && !strcmp(dot,".a")) if (slbt_exec_link_create_archive(dctx,ectx,output,false,false)) { slbt_free_exec_ctx(actx); - return -1; + return SLBT_NESTED_ERROR(dctx); } /* fpic, fstaticonly */ @@ -1184,7 +1214,7 @@ int slbt_exec_link( ectx->arfilename, fpic,true)) { slbt_free_exec_ctx(actx); - return -1; + return SLBT_NESTED_ERROR(dctx); } /* -all-static library */ @@ -1194,7 +1224,7 @@ int slbt_exec_link( "/dev/null", ectx->dsofilename, false)) - return -1; + return SLBT_NESTED_ERROR(dctx); /* dynamic library */ if (dot && !strcmp(dot,".la") && dctx->cctx->rpath && !fstaticonly) { @@ -1204,7 +1234,7 @@ int slbt_exec_link( ectx->dsofilename, ectx->relfilename)) { slbt_free_exec_ctx(actx); - return -1; + return SLBT_NESTED_ERROR(dctx); } if (!(dctx->cctx->drvflags & SLBT_DRIVER_AVOID_VERSION)) { @@ -1213,7 +1243,7 @@ int slbt_exec_link( dctx,ectx, true)) { slbt_free_exec_ctx(actx); - return -1; + return SLBT_NESTED_ERROR(dctx); } /* symlink: libfoo.so --> libfoo.so.x.y.z */ @@ -1221,7 +1251,7 @@ int slbt_exec_link( dctx,ectx, false)) { slbt_free_exec_ctx(actx); - return -1; + return SLBT_NESTED_ERROR(dctx); } } else if (ectx->relfilename) { /* symlink: libfoo.so --> libfoo-x.y.z.so */ @@ -1229,7 +1259,7 @@ int slbt_exec_link( dctx,ectx, false)) { slbt_free_exec_ctx(actx); - return -1; + return SLBT_NESTED_ERROR(dctx); } } @@ -1242,7 +1272,7 @@ int slbt_exec_link( ectx->deffilename, soname, true)) - return -1; + return SLBT_NESTED_ERROR(dctx); /* symlink: libfoo.lib.a --> libfoo.x.lib.a */ if (slbt_create_symlink( @@ -1250,7 +1280,7 @@ int slbt_exec_link( ectx->pimpfilename, ectx->dimpfilename, false)) - return -1; + return SLBT_NESTED_ERROR(dctx); /* libfoo.x.y.z.lib.a */ if (slbt_exec_link_create_import_library( @@ -1259,7 +1289,7 @@ int slbt_exec_link( ectx->deffilename, soxyz, false)) - return -1; + return SLBT_NESTED_ERROR(dctx); } } @@ -1270,7 +1300,7 @@ int slbt_exec_link( dctx,ectx, ectx->exefilename)) { slbt_free_exec_ctx(actx); - return -1; + return SLBT_NESTED_ERROR(dctx); } } @@ -1285,23 +1315,25 @@ int slbt_exec_link( dctx,ectx, arname,soname,soxyz,solnk)) { slbt_free_exec_ctx(actx); - return -1; + return SLBT_NESTED_ERROR(dctx); } /* wrapper symlink */ - ret = (slbt_create_symlink( + if ((ret = slbt_create_symlink( dctx,ectx, output, ectx->lafilename, - true)); + true))) + SLBT_NESTED_ERROR(dctx); /* .lai wrapper symlink */ if (ret == 0) - ret = (slbt_create_symlink( + if ((ret = slbt_create_symlink( dctx,ectx, output, ectx->laifilename, - true)); + true))) + SLBT_NESTED_ERROR(dctx); /* all done */ slbt_free_exec_ctx(actx); -- cgit v1.2.3