diff options
Diffstat (limited to 'libbuild2/bin/init.cxx')
| -rw-r--r-- | libbuild2/bin/init.cxx | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/libbuild2/bin/init.cxx b/libbuild2/bin/init.cxx index 7e022fd8..7d1f171 100644 --- a/libbuild2/bin/init.cxx +++ b/libbuild2/bin/init.cxx @@ -16,6 +16,7 @@ #include <libbuild2/install/utility.hxx> #include <libbuild2/bin/rule.hxx> +#include <libbuild2/bin/def-rule.hxx> #include <libbuild2/bin/guess.hxx> #include <libbuild2/bin/target.hxx> #include <libbuild2/bin/utility.hxx> @@ -30,6 +31,7 @@ namespace build2 static const obj_rule obj_; static const libul_rule libul_; static const lib_rule lib_; + static const def_rule def_; // Default config.bin.*.lib values. // @@ -937,6 +939,21 @@ namespace build2 } } + // Register .def file rule. + // + if (lid == "msvc" || lid == "msvc-lld") + { + // If we are using link.exe, then we can access dumpbin via the + // link.exe /DUMP option. But for lld-link we need llvm-nm. + // + if (lid == "msvc-lld") + load_module (rs, bs, "bin.nm.config", loc, extra.hints); + + bs.insert_rule<def> (perform_update_id, "bin.def", def_); + bs.insert_rule<def> (perform_clean_id, "bin.def", def_); + bs.insert_rule<def> (configure_update_id, "bin.def", def_); + } + return true; } @@ -1039,6 +1056,114 @@ namespace build2 return true; } + bool + nm_config_init (scope& rs, + scope& bs, + const location& loc, + bool first, + bool, + module_init_extra& extra) + { + tracer trace ("bin::nm_config_init"); + l5 ([&]{trace << "for " << bs;}); + + // Make sure bin.config is loaded. + // + load_module (rs, bs, "bin.config", loc, extra.hints); + + // Enter configuration variables. + // + if (first) + { + auto& vp (rs.var_pool ()); + + vp.insert<path> ("config.bin.nm"); + } + + // Configuration. + // + if (first) + { + using config::lookup_config; + + bool new_cfg (false); // Any new configuration values? + + // config.bin.nm + // + // Use the target to decide on the default nm name. Note that in case + // of win32-msvc this is insufficient and we fallback to the linker + // type (if available) to decide between dumpbin and llvm-nm. + // + // Finally note that the dumpbin.exe functionality is available via + // link.exe /DUMP. + // + const string& tsys (cast<string> (rs["bin.target.system"])); + const char* nm_d (tsys == "win32-msvc" + ? (cast_empty<string> (rs["bin.ld.id"]) == "msvc-lld" + ? "llvm-nm" + : "dumpbin") + : "nm"); + + // This can be either a pattern or search path(s). + // + pattern_paths pat (lookup_pattern (rs)); + + const path& nm ( + cast<path> ( + lookup_config (new_cfg, + rs, + "config.bin.nm", + path (apply_pattern (nm_d, pat.pattern)), + config::save_default_commented))); + + const nm_info& nmi (guess_nm (nm, pat.paths)); + + // If this is a configuration with new values, then print the report + // at verbosity level 2 and up (-v). + // + if (verb >= (new_cfg ? 2 : 3)) + { + text << "bin.nm " << project (rs) << '@' << rs << '\n' + << " nm " << nmi.path << '\n' + << " id " << nmi.id << '\n' + << " signature " << nmi.signature << '\n' + << " checksum " << nmi.checksum; + } + + rs.assign<process_path_ex> ("bin.nm.path") = process_path_ex ( + nmi.path, + "nm", + nmi.checksum, + hash_environment (nmi.environment)); + rs.assign<string> ("bin.nm.id") = nmi.id; + rs.assign<string> ("bin.nm.signature") = nmi.signature; + rs.assign<string> ("bin.nm.checksum") = nmi.checksum; + + config::save_environment (rs, nmi.environment); + } + + return true; + } + + bool + nm_init (scope& rs, + scope& bs, + const location& loc, + bool, + bool, + module_init_extra& extra) + { + tracer trace ("bin::nm_init"); + l5 ([&]{trace << "for " << bs;}); + + // Make sure the bin core and nm.config are loaded. + // + load_module (rs, bs, "bin", loc, extra.hints); + load_module (rs, bs, "bin.nm.config", loc, extra.hints); + + return true; + } + static const module_functions mod_functions[] = { // NOTE: don't forget to also update the documentation in init.hxx if @@ -1053,6 +1178,8 @@ namespace build2 {"bin.ld", nullptr, ld_init}, {"bin.rc.config", nullptr, rc_config_init}, {"bin.rc", nullptr, rc_init}, + {"bin.nm.config", nullptr, nm_config_init}, + {"bin.nm", nullptr, nm_init}, {nullptr, nullptr, nullptr} }; |