From c4b07e16dbd81b9d3fd7c344323afd069cebd832 Mon Sep 17 00:00:00 2001 From: midipix Date: Sat, 10 Feb 2024 04:23:04 +0000 Subject: link mode: move the shared library creation logic to its own translation unit. --- src/logic/slbt_exec_link.c | 239 --------------------------------------------- 1 file changed, 239 deletions(-) (limited to 'src/logic/slbt_exec_link.c') diff --git a/src/logic/slbt_exec_link.c b/src/logic/slbt_exec_link.c index 4741a08..2fa1050 100644 --- a/src/logic/slbt_exec_link.c +++ b/src/logic/slbt_exec_link.c @@ -109,245 +109,6 @@ static void slbt_emit_fdwrap_dl_path_fixup( strncat(dpfixup,"/",dpfixup_size-1); } -static int slbt_exec_link_remove_file( - const struct slbt_driver_ctx * dctx, - struct slbt_exec_ctx * ectx, - const char * target) -{ - int fdcwd; - - (void)ectx; - - /* fdcwd */ - fdcwd = slbt_driver_fdcwd(dctx); - - /* remove target (if any) */ - if (!unlinkat(fdcwd,target,0) || (errno == ENOENT)) - return 0; - - return SLBT_SYSTEM_ERROR(dctx,0); -} - -static int slbt_exec_link_create_library( - const struct slbt_driver_ctx * dctx, - struct slbt_exec_ctx * ectx, - const char * dsobasename, - const char * dsofilename, - const char * relfilename) -{ - int fdcwd; - char ** parg; - char ** xarg; - char * ccwrap; - const char * laout; - const char * dot; - char cwd [PATH_MAX]; - char output [PATH_MAX]; - char soname [PATH_MAX]; - char symfile[PATH_MAX]; - struct slbt_deps_meta depsmeta = {0,0,0,0}; - - /* initial state */ - slbt_reset_arguments(ectx); - - /* placeholders */ - slbt_reset_placeholders(ectx); - - /* fdcwd */ - fdcwd = slbt_driver_fdcwd(dctx); - - /* input argument adjustment */ - for (parg=ectx->cargv; *parg; parg++) - slbt_adjust_object_argument(*parg,true,false,fdcwd); - - /* .deps */ - if (slbt_exec_link_create_dep_file( - dctx,ectx,ectx->cargv, - dsofilename,false)) - return slbt_exec_link_exit( - &depsmeta, - SLBT_NESTED_ERROR(dctx)); - - /* linker argument adjustment */ - for (parg=ectx->cargv, xarg=ectx->xargv; *parg; parg++, xarg++) - if (slbt_adjust_linker_argument( - dctx, - *parg,xarg,true, - dctx->cctx->settings.dsosuffix, - dctx->cctx->settings.arsuffix, - &depsmeta) < 0) - return SLBT_NESTED_ERROR(dctx); - - /* --no-undefined */ - if (dctx->cctx->drvflags & SLBT_DRIVER_NO_UNDEFINED) - *ectx->noundef = "-Wl,--no-undefined"; - - /* -soname */ - dot = strrchr(dctx->cctx->output,'.'); - laout = (dot && !strcmp(dot,".la")) - ? dctx->cctx->output - : 0; - - if ((dctx->cctx->drvflags & SLBT_DRIVER_IMAGE_MACHO)) { - (void)0; - - } else if (!laout && (dctx->cctx->drvflags & SLBT_DRIVER_MODULE)) { - if (slbt_snprintf(soname,sizeof(soname), - "-Wl,%s",dctx->cctx->output) < 0) - return SLBT_BUFFER_ERROR(dctx); - - *ectx->soname = "-Wl,-soname"; - *ectx->lsoname = soname; - - } else if (relfilename && dctx->cctx->verinfo.verinfo) { - if (slbt_snprintf(soname,sizeof(soname), - "-Wl,%s%s-%s%s.%d%s", - ectx->sonameprefix, - dctx->cctx->libname, - dctx->cctx->release, - dctx->cctx->settings.osdsuffix, - dctx->cctx->verinfo.major, - dctx->cctx->settings.osdfussix) < 0) - return SLBT_BUFFER_ERROR(dctx); - - *ectx->soname = "-Wl,-soname"; - *ectx->lsoname = soname; - - } else if (relfilename) { - if (slbt_snprintf(soname,sizeof(soname), - "-Wl,%s%s-%s%s", - ectx->sonameprefix, - dctx->cctx->libname, - dctx->cctx->release, - dctx->cctx->settings.dsosuffix) < 0) - return SLBT_BUFFER_ERROR(dctx); - - *ectx->soname = "-Wl,-soname"; - *ectx->lsoname = soname; - - } else if (dctx->cctx->drvflags & SLBT_DRIVER_AVOID_VERSION) { - if (slbt_snprintf(soname,sizeof(soname), - "-Wl,%s%s%s", - ectx->sonameprefix, - dctx->cctx->libname, - dctx->cctx->settings.dsosuffix) < 0) - return SLBT_BUFFER_ERROR(dctx); - - *ectx->soname = "-Wl,-soname"; - *ectx->lsoname = soname; - - } else { - if (slbt_snprintf(soname,sizeof(soname), - "-Wl,%s%s%s.%d%s", - ectx->sonameprefix, - dctx->cctx->libname, - dctx->cctx->settings.osdsuffix, - dctx->cctx->verinfo.major, - dctx->cctx->settings.osdfussix) < 0) - return SLBT_BUFFER_ERROR(dctx); - - *ectx->soname = "-Wl,-soname"; - *ectx->lsoname = soname; - } - - /* PE: --output-def */ - if (dctx->cctx->drvflags & SLBT_DRIVER_IMAGE_PE) { - if (slbt_snprintf(symfile,sizeof(symfile), - "-Wl,%s", - ectx->deffilename) < 0) - return SLBT_BUFFER_ERROR(dctx); - - *ectx->symdefs = "-Wl,--output-def"; - *ectx->symfile = symfile; - } - - /* shared/static */ - if (dctx->cctx->drvflags & SLBT_DRIVER_ALL_STATIC) { - *ectx->dpic = "-static"; - } else if (dctx->cctx->settings.picswitch) { - *ectx->dpic = "-shared"; - *ectx->fpic = dctx->cctx->settings.picswitch; - } else { - *ectx->dpic = "-shared"; - } - - /* output */ - if (!laout && dctx->cctx->drvflags & SLBT_DRIVER_MODULE) { - strcpy(output,dctx->cctx->output); - } else if (relfilename) { - strcpy(output,relfilename); - } else if (dctx->cctx->drvflags & SLBT_DRIVER_AVOID_VERSION) { - strcpy(output,dsofilename); - } else { - if (slbt_snprintf(output,sizeof(output), - "%s%s.%d.%d.%d%s", - dsobasename, - dctx->cctx->settings.osdsuffix, - dctx->cctx->verinfo.major, - dctx->cctx->verinfo.minor, - dctx->cctx->verinfo.revision, - dctx->cctx->settings.osdfussix) < 0) - return SLBT_BUFFER_ERROR(dctx); - } - - *ectx->lout[0] = "-o"; - *ectx->lout[1] = output; - - /* ldrpath */ - if (dctx->cctx->host.ldrpath) { - if (slbt_exec_link_remove_file(dctx,ectx,ectx->rpathfilename)) - return SLBT_NESTED_ERROR(dctx); - - if (slbt_create_symlink( - dctx,ectx, - dctx->cctx->host.ldrpath, - ectx->rpathfilename, - SLBT_SYMLINK_LITERAL)) - return SLBT_NESTED_ERROR(dctx); - } - - /* cwd */ - if (slbt_realpath(fdcwd,".",O_DIRECTORY,cwd,sizeof(cwd))) - return SLBT_SYSTEM_ERROR(dctx,0); - - /* .libs/libfoo.so --> -L.libs -lfoo */ - if (slbt_exec_link_adjust_argument_vector( - dctx,ectx,&depsmeta,cwd,true)) - return SLBT_NESTED_ERROR(dctx); - - /* using alternate argument vector */ - ccwrap = (char *)dctx->cctx->ccwrap; - ectx->argv = depsmeta.altv; - ectx->program = ccwrap ? ccwrap : depsmeta.altv[0]; - - /* sigh */ - if (slbt_exec_link_finalize_argument_vector(dctx,ectx)) - return SLBT_NESTED_ERROR(dctx); - - /* step output */ - if (!(dctx->cctx->drvflags & SLBT_DRIVER_SILENT)) - if (slbt_output_link(dctx,ectx)) - return slbt_exec_link_exit( - &depsmeta, - SLBT_NESTED_ERROR(dctx)); - - /* spawn */ - if ((slbt_spawn(ectx,true) < 0) && (ectx->pid < 0)) { - return slbt_exec_link_exit( - &depsmeta, - SLBT_SPAWN_ERROR(dctx)); - - } else if (ectx->exitcode) { - return slbt_exec_link_exit( - &depsmeta, - SLBT_CUSTOM_ERROR( - dctx, - SLBT_ERR_LINK_ERROR)); - } - - return slbt_exec_link_exit(&depsmeta,0); -} - static int slbt_exec_link_create_executable( const struct slbt_driver_ctx * dctx, struct slbt_exec_ctx * ectx, -- cgit v1.2.3