Mercurial > projects > ldc
view lphobos/internal/dmain2.d @ 1404:11b122f92136
Now that templates instantiations are no longer emitted for all modules that
even blink at them they seem to break due to being linkonce (if compiled with
any optimization level > 0), so let's give them weak linkage instead.
The difference is that unreferenced linkonce symbols can be deleted, while
weak symbols need to be preserved.
author | Frits van Bommel <fvbommel wxs.nl> |
---|---|
date | Thu, 21 May 2009 15:23:28 +0200 |
parents | 373489eeaf90 |
children |
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/* * Placed into the Public Domain. * written by Walter Bright * www.digitalmars.com */ module internal.dmain2; import object; import std.c.stdio; import std.c.string; import std.c.stdlib; import std.string; extern (C) void _STI_monitor_staticctor(); extern (C) void _STD_monitor_staticdtor(); extern (C) void _STI_critical_init(); extern (C) void _STD_critical_term(); extern (C) void gc_init(); extern (C) void gc_term(); extern (C) void _minit(); extern (C) void _moduleCtor(); extern (C) void _moduleDtor(); extern (C) void _moduleUnitTests(); extern (C) bool no_catch_exceptions; /*********************************** * The D main() function supplied by the user's program */ int main(char[][] args); /*********************************** * Substitutes for the C main() function. * It's purpose is to wrap the call to the D main() * function and catch any unhandled exceptions. */ extern (C) int main(size_t argc, char **argv) { char[] *am; char[][] args; int result; int myesp; int myebx; version (linux) { _STI_monitor_staticctor(); _STI_critical_init(); gc_init(); am = cast(char[] *) malloc(argc * (char[]).sizeof); // BUG: alloca() conflicts with try-catch-finally stack unwinding //am = (char[] *) alloca(argc * (char[]).sizeof); } version (Win32) { gc_init(); _minit(); am = cast(char[] *) alloca(argc * (char[]).sizeof); } if (no_catch_exceptions) { _moduleCtor(); _moduleUnitTests(); for (size_t i = 0; i < argc; i++) { auto len = strlen(argv[i]); am[i] = argv[i][0 .. len]; } args = am[0 .. argc]; result = main(args); _moduleDtor(); gc_term(); } else { try { _moduleCtor(); _moduleUnitTests(); for (size_t i = 0; i < argc; i++) { auto len = strlen(argv[i]); am[i] = argv[i][0 .. len]; } args = am[0 .. argc]; result = main(args); _moduleDtor(); gc_term(); } catch (Object o) { version (none) { printf("Error: "); o.print(); } else { auto foo = o.toString(); fprintf(stderr, "Error: %.*s\n", foo.length, foo.ptr); } exit(EXIT_FAILURE); } } version (linux) { free(am); _STD_critical_term(); _STD_monitor_staticdtor(); } return result; }