Olivier Langlois writes: > Hi, > > In one of my cpp file, I have to following variable declaration: > > #define FONT_DATASIZE (3 * 1024 * 1024) > u_long128 g_font_cache[FONT_DATASIZE]; > > and according to objdump, the compiler is reserving close to 50MB in the > obj .data section for this array: > > 00000300 g O .data 03000000 g_font_cache > > The weird thing is that I have access to 2 other compilers and the 2 > other compilers will generate a 12KB obj file for the same TU! They seem > to handle array storage differently as objdump shows: > > 00000010 g O .sdata 00000004 g_font_data > > Is there a way, an optimization switch or anything that I can do to get > the same result from GCC? gcc would normally put this in BSS, which wouldn't occupy space in the object file, but this is somewhat system-dependent. However, you'vre given us no idea about your OS/Architecture, so we can't help you. Andrew.
